bash#
+More About U-Boot Image Types:
+------------------------------
+
+U-Boot supports the following image types:
+
+ "Standalone Programs" are directly runnable in the environment
+ provided by U-Boot; it is expected that (if they behave
+ well) you can continue to work in U-Boot after return from
+ the Standalone Program.
+ "OS Kernel Images" are usually images of some Embedded OS which
+ will take over control completely. Usually these programs
+ will install their own set of exception handlers, device
+ drivers, set up the MMU, etc. - this means, that you cannot
+ expect to re-enter U-Boot except by resetting the CPU.
+ "RAMDisk Images" are more or less just data blocks, and their
+ parameters (address, size) are passed to an OS kernel that is
+ being started.
+ "Multi-File Images" contain several images, typically an OS
+ (Linux) kernel image and one or more data images like
+ RAMDisks. This construct is useful for instance when you want
+ to boot over the network using BOOTP etc., where the boot
+ server provides just a single image file, but you want to get
+ for instance an OS kernel and a RAMDisk image.
+
+ "Multi-File Images" start with a list of image sizes, each
+ image size (in bytes) specified by an "uint32_t" in network
+ byte order. This list is terminated by an "(uint32_t)0".
+ Immediately after the terminating 0 follow the images, one by
+ one, all aligned on "uint32_t" boundaries (size rounded up to
+ a multiple of 4 bytes).
+
+ "Firmware Images" are binary images containing firmware (like
+ U-Boot or FPGA images) which usually will be programmed to
+ flash memory.
+
+ "Script files" are command sequences that will be executed by
+ U-Boot's command interpreter; this feature is especially
+ useful when you configure U-Boot to use a real shell (hush)
+ as command interpreter.
+
Standalone HOWTO:
=================
static void irq_init(void)
{
-
+
/* disable global interrupt mode */
- write_mmcr_byte(SC520_PICICR, 0x40);
-
+ write_mmcr_byte(SC520_PICICR, 0x40);
+
/* set irq0-7 to edge */
write_mmcr_byte(SC520_MPICMODE, 0x00);
-
+
/* set irq9-12 to level, all the other (8, 13-15) are edge */
write_mmcr_byte(SC520_SL1PICMODE, 0x1e);
-
+
/* set irq16-24 (unused slave pic2) to level */
write_mmcr_byte(SC520_SL2PICMODE, 0xff);
-
- /* active low polarity on PIC interrupt pins,
+
+ /* active low polarity on PIC interrupt pins,
active high polarity on all other irq pins */
write_mmcr_word(SC520_INTPINPOL, 0);
/* set irq number mapping */
- write_mmcr_byte(SC520_GPTMR0MAP,0); /* disable GP timer 0 INT */
+ write_mmcr_byte(SC520_GPTMR0MAP,0); /* disable GP timer 0 INT */
write_mmcr_byte(SC520_GPTMR1MAP,0); /* disable GP timer 1 INT */
write_mmcr_byte(SC520_GPTMR2MAP,0); /* disable GP timer 2 INT */
- write_mmcr_byte(SC520_PIT0MAP,0x1); /* Set PIT timer 0 INT to IRQ0 */
+ write_mmcr_byte(SC520_PIT0MAP,0x1); /* Set PIT timer 0 INT to IRQ0 */
write_mmcr_byte(SC520_PIT1MAP,0); /* diable PIT timer 1 INT */
write_mmcr_byte(SC520_PIT2MAP,0); /* diable PIT timer 2 INT */
write_mmcr_byte(SC520_PCIINTAMAP,0x4); /* Set PCI INT A to IRQ9 */
write_mmcr_byte(SC520_PCIINTBMAP,0x5); /* Set PCI INT B to IRQ10 */
write_mmcr_byte(SC520_PCIINTCMAP,0x6); /* Set PCI INT C to IRQ11 */
write_mmcr_byte(SC520_PCIINTDMAP,0x7); /* Set PCI INT D to IRQ12 */
- write_mmcr_byte(SC520_DMABCINTMAP,0); /* disable DMA INT */
+ write_mmcr_byte(SC520_DMABCINTMAP,0); /* disable DMA INT */
write_mmcr_byte(SC520_SSIMAP,0); /* disable Synchronius serial INT */
write_mmcr_byte(SC520_WDTMAP,0); /* disable Watchdor INT */
write_mmcr_byte(SC520_RTCMAP,0x3); /* Set RTC int to 8 */
write_mmcr_byte(SC520_GP0IMAP,6); /* Set GPIRQ0 (ISA IRQ2) to IRQ9 */
write_mmcr_byte(SC520_GP1IMAP,2); /* Set GPIRQ1 (SIO IRQ1) to IRQ1 */
write_mmcr_byte(SC520_GP2IMAP,7); /* Set GPIRQ2 (ISA IRQ12) to IRQ12 */
-
+
if (CFG_USE_SIO_UART) {
write_mmcr_byte(SC520_UART1MAP,0); /* disable internal UART1 INT */
write_mmcr_byte(SC520_UART2MAP,0); /* disable internal UART2 INT */
- write_mmcr_byte(SC520_GP3IMAP,11); /* Set GPIRQ3 (ISA IRQ3) to IRQ3 */
+ write_mmcr_byte(SC520_GP3IMAP,11); /* Set GPIRQ3 (ISA IRQ3) to IRQ3 */
write_mmcr_byte(SC520_GP4IMAP,12); /* Set GPIRQ4 (ISA IRQ4) to IRQ4 */
} else {
write_mmcr_byte(SC520_UART1MAP,12); /* Set internal UART2 INT to IRQ4 */
write_mmcr_byte(SC520_UART2MAP,11); /* Set internal UART2 INT to IRQ3 */
- write_mmcr_byte(SC520_GP3IMAP,0); /* disable GPIRQ3 (ISA IRQ3) */
+ write_mmcr_byte(SC520_GP3IMAP,0); /* disable GPIRQ3 (ISA IRQ3) */
write_mmcr_byte(SC520_GP4IMAP,0); /* disable GPIRQ4 (ISA IRQ4) */
}
-
+
write_mmcr_byte(SC520_GP5IMAP,13); /* Set GPIRQ5 (ISA IRQ5) to IRQ5 */
write_mmcr_byte(SC520_GP6IMAP,21); /* Set GPIRQ6 (ISA IRQ6) to IRQ6 */
write_mmcr_byte(SC520_GP7IMAP,22); /* Set GPIRQ7 (ISA IRQ7) to IRQ7 */
write_mmcr_byte(SC520_GP8IMAP,3); /* Set GPIRQ8 (SIO IRQ8) to IRQ8 */
write_mmcr_byte(SC520_GP9IMAP,4); /* Set GPIRQ9 (ISA IRQ9) to IRQ9 */
- write_mmcr_byte(SC520_GP10IMAP,9); /* Set GPIRQ10 (ISA IRQ10) to IRQ10 */
+ write_mmcr_byte(SC520_GP10IMAP,9); /* Set GPIRQ10 (ISA IRQ10) to IRQ10 */
write_mmcr_word(SC520_PCIHOSTMAP,0x11f); /* Map PCI hostbridge INT to NMI */
write_mmcr_word(SC520_ECCMAP,0x100); /* Map SDRAM ECC failure INT to NMI */
-
+
}
/* PCI stuff */
{
char pin;
int irq;
-
-
+
+
pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &pin);
irq = pin-1;
-
+
switch (PCI_DEV(dev)) {
case 20:
break;
case 17:
irq+=3;
break;
- default:
+ default:
return;
}
-
+
irq&=3; /* wrap around */
irq+=9; /* lowest IRQ is 9 */
-
+
pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, irq);
-#if 0
- printf("fixup_irq: device %d pin %c irq %d\n",
+#if 0
+ printf("fixup_irq: device %d pin %c irq %d\n",
PCI_DEV(dev), 'A' + pin -1, irq);
#endif
}
-
+
static struct pci_controller sc520_cdp_hose = {
fixup_irq: pci_sc520_cdp_fixup_irq,
};
void setup_ali_sio(int uart_primary)
{
ali512x_init();
-
+
ali512x_set_fdc(ALI_ENABLED, 0x3f2, 6, 0);
ali512x_set_pp(ALI_ENABLED, 0x278, 7, 3);
ali512x_set_uart(ALI_ENABLED, ALI_UART1, uart_primary?0x3f8:0x3e8, 4);
ali512x_set_rtc(ALI_DISABLED, 0, 0);
ali512x_set_kbc(ALI_ENABLED, 1, 12);
ali512x_set_cio(ALI_ENABLED);
-
+
/* IrDa pins */
ali512x_cio_function(12, 1, 0, 0);
ali512x_cio_function(13, 1, 0, 0);
-
+
/* SSI chip select pins */
ali512x_cio_function(14, 0, 0, 0); /* SSI_CS */
- ali512x_cio_function(15, 0, 0, 0); /* SSI_MV */
+ ali512x_cio_function(15, 0, 0, 0); /* SSI_MV */
ali512x_cio_function(16, 0, 1, 0); /* SSI_SPI# (inverted) */
/* Board REV pins */
ali512x_cio_function(20, 0, 0, 1);
ali512x_cio_function(21, 0, 0, 1);
ali512x_cio_function(22, 0, 0, 1);
- ali512x_cio_function(23, 0, 0, 1);
+ ali512x_cio_function(23, 0, 0, 1);
}
{
/* set up the GP IO pins */
- write_mmcr_word(SC520_PIOPFS31_16, 0xf7ff); /* set the GPIO pin function 31-16 reg */
+ write_mmcr_word(SC520_PIOPFS31_16, 0xf7ff); /* set the GPIO pin function 31-16 reg */
write_mmcr_word(SC520_PIOPFS15_0, 0xffff); /* set the GPIO pin function 15-0 reg */
- write_mmcr_byte(SC520_CSPFS, 0xf8); /* set the CS pin function reg */
+ write_mmcr_byte(SC520_CSPFS, 0xf8); /* set the CS pin function reg */
write_mmcr_byte(SC520_CLKSEL, 0x70);
-
- write_mmcr_byte(SC520_GPCSRT, 1); /* set the GP CS offset */
+
+ write_mmcr_byte(SC520_GPCSRT, 1); /* set the GP CS offset */
write_mmcr_byte(SC520_GPCSPW, 3); /* set the GP CS pulse width */
write_mmcr_byte(SC520_GPCSOFF, 1); /* set the GP CS offset */
write_mmcr_byte(SC520_GPRDW, 3); /* set the RD pulse width */
write_mmcr_byte(SC520_GPWRW, 3); /* set the GP WR pulse width */
write_mmcr_byte(SC520_GPWROFF, 1); /* set the GP WR offset */
- write_mmcr_word(SC520_BOOTCSCTL, 0x1823); /* set up timing of BOOTCS */
+ write_mmcr_word(SC520_BOOTCSCTL, 0x1823); /* set up timing of BOOTCS */
write_mmcr_word(SC520_ROMCS1CTL, 0x1823); /* set up timing of ROMCS1 */
- write_mmcr_word(SC520_ROMCS2CTL, 0x1823); /* set up timing of ROMCS2 */
-
+ write_mmcr_word(SC520_ROMCS2CTL, 0x1823); /* set up timing of ROMCS2 */
+
/* adjust the memory map:
* by default the first 256MB (0x00000000 - 0x0fffffff) is mapped to SDRAM
* and 256MB to 1G-128k (0x1000000 - 0x37ffffff) is mapped to PCI mmio
- * we need to map 1G-128k - 1G (0x38000000 - 0x3fffffff) to CS1 */
-
-
+ * we need to map 1G-128k - 1G (0x38000000 - 0x3fffffff) to CS1 */
+
+
/* SRAM = GPCS3 128k @ d0000-effff*/
- write_mmcr_long(SC520_PAR2, 0x4e00400d);
-
+ write_mmcr_long(SC520_PAR2, 0x4e00400d);
+
/* IDE0 = GPCS6 1f0-1f7 */
- write_mmcr_long(SC520_PAR3, 0x380801f0);
+ write_mmcr_long(SC520_PAR3, 0x380801f0);
/* IDE1 = GPCS7 3f6 */
- write_mmcr_long(SC520_PAR4, 0x3c0003f6);
+ write_mmcr_long(SC520_PAR4, 0x3c0003f6);
/* bootcs */
- write_mmcr_long(SC520_PAR12, 0x8bffe800);
+ write_mmcr_long(SC520_PAR12, 0x8bffe800);
/* romcs2 */
- write_mmcr_long(SC520_PAR13, 0xcbfff000);
+ write_mmcr_long(SC520_PAR13, 0xcbfff000);
/* romcs1 */
- write_mmcr_long(SC520_PAR14, 0xabfff800);
+ write_mmcr_long(SC520_PAR14, 0xabfff800);
/* 680 LEDS */
- write_mmcr_long(SC520_PAR15, 0x30000640);
-
- asm ("wbinvd\n"); /* Flush cache, req. after setting the unchached attribute ona PAR */
+ write_mmcr_long(SC520_PAR15, 0x30000640);
+
+ asm ("wbinvd\n"); /* Flush cache, req. after setting the unchached attribute ona PAR */
if (CFG_USE_SIO_UART) {
- write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) | UART2_DIS|UART1_DIS);
+ write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) | UART2_DIS|UART1_DIS);
setup_ali_sio(1);
} else {
- write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) & ~(UART2_DIS|UART1_DIS));
+ write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) & ~(UART2_DIS|UART1_DIS));
setup_ali_sio(0);
silence_uart(0x3e8);
silence_uart(0x2e8);
int board_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
-
- init_sc520();
+
+ init_sc520();
bus_init();
irq_init();
-
+
/* max drive current on SDRAM */
write_mmcr_word(SC520_DSCTL, 0x0100);
-
+
/* enter debug mode after next reset (only if jumper is also set) */
write_mmcr_byte(SC520_RESCFG, 0x08);
-
+
/* configure the software timer to 33.333MHz */
write_mmcr_byte(SC520_SWTMRCFG, 0);
gd->bus_clk = 33333000;
-
+
return 0;
}
{
int minor;
int major;
-
+
major = minor = 0;
major |= ali512x_cio_in(23)?2:0;
major |= ali512x_cio_in(22)?1:0;
minor |= ali512x_cio_in(21)?2:0;
minor |= ali512x_cio_in(20)?1:0;
-
+
printf("AMD SC520 CDP revision %d.%d\n", major, minor);
-
+
return 0;
}
flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
if (i == 0)
- flashbase = PHYS_FLASH_1;
+ flashbase = CFG_FLASH_BASE;
else
panic ("configured too many flash banks!\n");
for (j = 0; j < flash_info[i].sector_count; j++) {
#include <common.h>
#include <environment.h>
-ulong myflush (void);
-
-
-#define FLASH_BANK_SIZE 0x800000 /* 8 MB */
-/* this varies depending on the sector */
-#define MAIN_SECT_SIZE 0x20000 /* 2 x 64 kB */
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
#define CMD_ERASE_CONFIRM 0x00300030
#define CMD_PROGRAM 0x00A000A0
#define CMD_UNLOCK_BYPASS 0x00200020
+#define CMD_READ_MANF_ID 0x00900090
#define MEM_FLASH_ADDR1 (*(volatile u32 *)(CFG_FLASH_BASE + (0x00000555 << 2)))
#define MEM_FLASH_ADDR2 (*(volatile u32 *)(CFG_FLASH_BASE + (0x000002AA << 2)))
int i, j;
ulong size = 0;
- for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
ulong flashbase = 0;
+ flash_info_t *info = &flash_info[i];
+
+ /* Init: no FLASHes known */
+ info->flash_id = FLASH_UNKNOWN;
+
+ size += flash_get_size (CFG_FLASH_BASE, info);
- flash_info[i].flash_id =
- (AMD_MANUFACT & FLASH_VENDMASK) |
- (AMD_ID_LV320B & FLASH_TYPEMASK);
- flash_info[i].size = FLASH_BANK_SIZE;
- flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
- memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
if (i == 0)
- flashbase = PHYS_FLASH_1;
+ flashbase = CFG_FLASH_BASE;
else
panic ("configured too many flash banks!\n");
- for (j = 0; j < flash_info[i].sector_count; j++) {
-
- flash_info[i].start[j] = flashbase;
-
- /* the first 8 sectors are 8 kB */
- flashbase += (j < 8) ? 0x4000 : MAIN_SECT_SIZE;
+ for (j = 0; j < info->sector_count; j++) {
+
+ info->protect[j] = 0;
+ info->start[j] = flashbase;
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case (FLASH_AM320B & FLASH_TYPEMASK):
+ /* Boot sector type: 8 x 8 + N x 128 kB */
+ flashbase += (j < 8) ? 0x4000 : 0x20000;
+ break;
+ case (FLASH_AM640U & FLASH_TYPEMASK):
+ /* Uniform sector type: 128 kB */
+ flashbase += 0x20000;
+ break;
+ default:
+ printf ("## Bad flash chip type 0x%04lX\n",
+ info->flash_id & FLASH_TYPEMASK);
+ }
}
- size += flash_info[i].size;
}
/*
int i;
switch (info->flash_id & FLASH_VENDMASK) {
- case (AMD_MANUFACT & FLASH_VENDMASK):
+ case (FLASH_MAN_AMD & FLASH_VENDMASK):
printf ("AMD: ");
break;
default:
}
switch (info->flash_id & FLASH_TYPEMASK) {
- case (AMD_ID_LV320B & FLASH_TYPEMASK):
+ case (FLASH_AM320B & FLASH_TYPEMASK):
printf ("2x Am29LV320DB (32Mbit)\n");
break;
+ case (FLASH_AM640U & FLASH_TYPEMASK):
+ printf ("2x Am29LV640D (64Mbit)\n");
+ break;
default:
printf ("Unknown Chip Type\n");
goto Done;
}
if ((info->flash_id & FLASH_VENDMASK) !=
- (AMD_MANUFACT & FLASH_VENDMASK)) {
+ (FLASH_MAN_AMD & FLASH_VENDMASK)) {
return ERR_UNKNOWN_FLASH_VENDOR;
}
rc = ERR_TIMOUT;
goto outahere;
}
-
-#if 0
- printf ("ok.\n");
- } else { /* it was protected */
-
- printf ("protected!\n");
-#endif
}
}
return write_word (info, wp, data);
}
+
+/*-----------------------------------------------------------------------
+ */
+
+static ulong flash_get_size (vu_long *addr, flash_info_t *info)
+{
+ ulong value;
+
+ /* Write auto select command sequence and read Manufacturer ID */
+ addr[0x0555] = CMD_UNLOCK1;
+ addr[0x02AA] = CMD_UNLOCK2;
+ addr[0x0555] = CMD_READ_MANF_ID;
+
+ value = addr[0];
+
+ debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value);
+
+ switch (value) {
+ case AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ addr[0] = 0x00FF00FF; /* restore read mode */
+ debug ("## flash_init: unknown manufacturer\n");
+ return (0); /* no or unknown flash */
+ }
+
+ value = addr[1]; /* device ID */
+
+ debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value);
+
+ switch (value) {
+ case AMD_ID_LV320B:
+ info->flash_id += FLASH_AM320B;
+ info->sector_count = 71;
+ info->size = 0x00800000;
+
+ addr[0] = 0x00FF00FF; /* restore read mode */
+ break; /* => 8 MB */
+
+ case AMD_ID_LV640U:
+ info->flash_id += FLASH_AM640U;
+ info->sector_count = 128;
+ info->size = 0x01000000;
+
+ addr[0] = 0x00F000F0; /* restore read mode */
+ break; /* => 16 MB */
+
+ default:
+ debug ("## flash_init: unknown flash chip\n");
+ info->flash_id = FLASH_UNKNOWN;
+ addr[0] = 0x00FF00FF; /* restore read mode */
+ return (0); /* => no or unknown flash */
+
+ }
+
+ if (info->sector_count > CFG_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CFG_MAX_FLASH_SECT);
+ info->sector_count = CFG_MAX_FLASH_SECT;
+ }
+
+ return (info->size);
+}
int board_init ()
{
-#if defined(CONFIG_MODEM_SUPPORT) && defined(CONFIG_VFD)
- ulong size;
- unsigned long addr;
- extern void mem_malloc_init (ulong);
- extern int drv_vfd_init(void);
+#if defined(CONFIG_VFD)
+ extern int vfd_init_clocks(void);
#endif
DECLARE_GLOBAL_DATA_PTR;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x0c000100;
-#ifdef CONFIG_MODEM_SUPPORT
#ifdef CONFIG_VFD
-#ifndef PAGE_SIZE
-#define PAGE_SIZE 4096
-#endif
- /*
- * reserve memory for VFD display (always full pages)
- */
- /* armboot_real_end is defined in the board-specific linker script */
- addr = (_armboot_real_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
- size = vfd_setmem (addr);
- gd->fb_base = addr;
- /* round to the next page boundary */
- addr += size;
- addr = (addr + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
- mem_malloc_init (addr);
- /* must do this after the framebuffer is allocated */
- drv_vfd_init();
+ vfd_init_clocks();
#endif /* CONFIG_VFD */
+#ifdef CONFIG_MODEM_SUPPORT
udelay_no_timer (KBD_MDELAY);
if (key_pressed()) {
#define BLAU 0x0C
#define VIOLETT 0X0D
-ulong vfdbase;
-ulong frame_buf_size;
+ulong vfdbase;
+ulong frame_buf_size;
#define frame_buf_offs 4
+/* Supported VFD Types */
+#define VFD_TYPE_T119C 1 /* Noritake T119C VFD */
+#define VFD_TYPE_MN11236 2
+
/* taken from armboot/common/vfd.c */
-ulong adr_vfd_table[112][18][2][4][2];
+unsigned long adr_vfd_table[112][18][2][4][2];
unsigned char bit_vfd_table[112][18][2][4][2];
/*
*/
void init_grid_ctrl(void)
{
+ DECLARE_GLOBAL_DATA_PTR;
ulong adr, grid_cycle;
unsigned int bit, display;
unsigned char temp, bit_nr;
+ ulong val;
- for (adr=vfdbase; adr<=(vfdbase+7168); adr+=4) /*clear frame buffer */
- (*(volatile ulong*)(adr))=0;
+ /*
+ * clear frame buffer (logical clear => set to "black")
+ */
+ if (gd->vfd_inv_data == 0)
+ val = 0;
+ else
+ val = ~0;
- for(display=0;display<=3;display++)
- {
- for(grid_cycle=0;grid_cycle<=55;grid_cycle++)
- {
- bit = grid_cycle*256*4+(grid_cycle+200)*4+frame_buf_offs+display;
+ for (adr = vfdbase; adr <= (vfdbase+7168); adr += 4) {
+ (*(volatile ulong*)(adr)) = val;
+ }
+
+ switch (gd->vfd_type) {
+ case VFD_TYPE_T119C:
+ for (display=0; display<4; display++) {
+ for(grid_cycle=0; grid_cycle<56; grid_cycle++) {
+ bit = grid_cycle * 256 * 4 +
+ (grid_cycle + 200) * 4 +
+ frame_buf_offs + display;
/* wrap arround if offset (see manual S3C2400) */
if (bit>=frame_buf_size*8)
- bit = bit-(frame_buf_size*8);
- adr = vfdbase+(bit/32)*4+(3-(bit%32)/8);
- bit_nr = bit%8;
- bit_nr = (bit_nr>3)?bit_nr-4:bit_nr+4;
+ bit = bit - (frame_buf_size * 8);
+ adr = vfdbase + (bit/32) * 4 + (3 - (bit%32) / 8);
+ bit_nr = bit % 8;
+ bit_nr = (bit_nr > 3) ? bit_nr-4 : bit_nr+4;
temp=(*(volatile unsigned char*)(adr));
- temp|=(1<<bit_nr);
+ if (gd->vfd_inv_data)
+ temp &= ~(1<<bit_nr);
+ else
+ temp |= (1<<bit_nr);
(*(volatile unsigned char*)(adr))=temp;
if(grid_cycle<55)
bit_nr = bit%8;
bit_nr = (bit_nr>3)?bit_nr-4:bit_nr+4;
temp=(*(volatile unsigned char*)(adr));
- temp|=(1<<bit_nr);
+ if (gd->vfd_inv_data)
+ temp &= ~(1<<bit_nr);
+ else
+ temp |= (1<<bit_nr);
+ (*(volatile unsigned char*)(adr))=temp;
+ }
+ }
+ break;
+ case VFD_TYPE_MN11236:
+ for (display=0; display<4; display++) {
+ for (grid_cycle=0; grid_cycle<38; grid_cycle++) {
+ bit = grid_cycle * 256 * 4 +
+ (253 - grid_cycle) * 4 +
+ frame_buf_offs + display;
+ /* wrap arround if offset (see manual S3C2400) */
+ if (bit>=frame_buf_size*8)
+ bit = bit - (frame_buf_size * 8);
+ adr = vfdbase + (bit/32) * 4 + (3 - (bit%32) / 8);
+ bit_nr = bit % 8;
+ bit_nr = (bit_nr > 3) ? bit_nr-4 : bit_nr+4;
+ temp=(*(volatile unsigned char*)(adr));
+ if (gd->vfd_inv_data)
+ temp &= ~(1<<bit_nr);
+ else
+ temp |= (1<<bit_nr);
+ (*(volatile unsigned char*)(adr))=temp;
+
+ if(grid_cycle<37)
+ bit = grid_cycle*256*4+(252-grid_cycle)*4+frame_buf_offs+display;
+
+ /* wrap arround if offset (see manual S3C2400) */
+ if (bit>=frame_buf_size*8)
+ bit = bit-(frame_buf_size*8);
+ adr = vfdbase+(bit/32)*4+(3-(bit%32)/8);
+ bit_nr = bit%8;
+ bit_nr = (bit_nr>3)?bit_nr-4:bit_nr+4;
+ temp=(*(volatile unsigned char*)(adr));
+ if (gd->vfd_inv_data)
+ temp &= ~(1<<bit_nr);
+ else
+ temp |= (1<<bit_nr);
(*(volatile unsigned char*)(adr))=temp;
}
+ }
+ break;
+ default:
+ printf ("Warning: unknown display type\n");
+ break;
}
}
*/
void create_vfd_table(void)
{
- unsigned int vfd_table[112][18][2][4][2];
- ulong adr;
- unsigned int x, y, color, display, entry, pixel, bit_nr;
-
- /*
- * Create translation table for Noritake-T119C-VFD-specific
- * organized frame-buffer.
- * Created is the number of the bit in the framebuffer (the
- * first transferred pixel of each frame is bit 0).
- */
- for(y=0;y<=17;y++) /* Zeile */
- {
- for(x=0;x<=111;x++) /* Spalten */
- {
- /*Display 0 blaue Pixel Eintrag 1 */
- vfd_table[x][y][0][0][0]=((x%4)*4+y*16+(x/4)*2048);
- /*Display 0 rote Pixel Eintrag 1 */
- vfd_table[x][y][1][0][0]=((x%4)*4+y*16+(x/4)*2048+512);
- if(x<=1)
- {
- /*Display 0 blaue Pixel Eintrag 2 */
- vfd_table[x][y][0][0][1]=(((x+112)%4)*4+y*16+((x+110)/4)*2048+1024);
- /*Display 0 rote Pixel Eintrag 2 */
- vfd_table[x][y][1][0][1]=(((x+112)%4)*4+y*16+((x+110)/4)*2048+512+1024);
- }
- else
- {
- /*Display 0 blaue Pixel Eintrag 2 */
- vfd_table[x][y][0][0][1]=((x%4)*4+y*16+((x-2)/4)*2048+1024);
- /*Display 0 rote Pixel Eintrag 2 */
- vfd_table[x][y][1][0][1]=((x%4)*4+y*16+((x-2)/4)*2048+512+1024);
- }
- /*Display 1 blaue Pixel Eintrag 1 */
- vfd_table[x][y][0][1][0]=((x%4)*4+y*16+(x/4)*2048+1);
- /*Display 1 rote Pixel Eintrag 1 */
- vfd_table[x][y][1][1][0]=((x%4)*4+y*16+(x/4)*2048+512+1);
- if(x<=1)
- {
- /*Display 1 blaue Pixel Eintrag 2 */
- vfd_table[x][y][0][1][1]=(((x+112)%4)*4+y*16+((x+110)/4)*2048+1+1024);
- /*Display 1 rote Pixel Eintrag 2 */
- vfd_table[x][y][1][1][1]=(((x+112)%4)*4+y*16+((x+110)/4)*2048+512+1+1024);
- }
- else
- {
- /*Display 1 blaue Pixel Eintrag 2 */
- vfd_table[x][y][0][1][1]=((x%4)*4+y*16+((x-2)/4)*2048+1+1024);
- /*Display 1 rote Pixel Eintrag 2 */
- vfd_table[x][y][1][1][1]=((x%4)*4+y*16+((x-2)/4)*2048+512+1+1024);
- }
- /*Display 2 blaue Pixel Eintrag 1 */
- vfd_table[x][y][0][2][0]=((x%4)*4+y*16+(x/4)*2048+2);
- /*Display 2 rote Pixel Eintrag 1 */
- vfd_table[x][y][1][2][0]=((x%4)*4+y*16+(x/4)*2048+512+2);
- if(x<=1)
- {
- /*Display 2 blaue Pixel Eintrag 2 */
- vfd_table[x][y][0][2][1]=(((x+112)%4)*4+y*16+((x+110)/4)*2048+2+1024);
- /*Display 2 rote Pixel Eintrag 2 */
- vfd_table[x][y][1][2][1]=(((x+112)%4)*4+y*16+((x+110)/4)*2048+512+2+1024);
- }
- else
- {
- /*Display 2 blaue Pixel Eintrag 2 */
- vfd_table[x][y][0][2][1]=((x%4)*4+y*16+((x-2)/4)*2048+2+1024);
- /*Display 2 rote Pixel Eintrag 2 */
- vfd_table[x][y][1][2][1]=((x%4)*4+y*16+((x-2)/4)*2048+512+2+1024);
- }
- /*Display 3 blaue Pixel Eintrag 1 */
- vfd_table[x][y][0][3][0]=((x%4)*4+y*16+(x/4)*2048+3);
- /*Display 3 rote Pixel Eintrag 1 */
- vfd_table[x][y][1][3][0]=((x%4)*4+y*16+(x/4)*2048+512+3);
- if(x<=1)
- {
- /*Display 3 blaue Pixel Eintrag 2 */
- vfd_table[x][y][0][3][1]=(((x+112)%4)*4+y*16+((x+110)/4)*2048+3+1024);
- /*Display 3 rote Pixel Eintrag 2 */
- vfd_table[x][y][1][3][1]=(((x+112)%4)*4+y*16+((x+110)/4)*2048+512+3+1024);
- }
- else
- {
- /*Display 3 blaue Pixel Eintrag 2 */
- vfd_table[x][y][0][3][1]=((x%4)*4+y*16+((x-2)/4)*2048+3+1024);
- /*Display 3 rote Pixel Eintrag 2 */
- vfd_table[x][y][1][3][1]=((x%4)*4+y*16+((x-2)/4)*2048+512+3+1024);
- }
+ DECLARE_GLOBAL_DATA_PTR;
+ unsigned long vfd_table[112][18][2][4][2];
+ unsigned int x, y, color, display, entry, pixel;
+ unsigned int x_abcdef = 0;
+
+ switch (gd->vfd_type) {
+ case VFD_TYPE_T119C:
+ for(y=0; y<=17; y++) { /* Line */
+ for(x=0; x<=111; x++) { /* Column */
+ for(display=0; display <=3; display++) {
+
+ /* Display 0 blue pixels */
+ vfd_table[x][y][0][display][0] =
+ (x==0) ? y*16+display
+ : (x%4)*4+y*16+((x-1)/2)*1024+display;
+ /* Display 0 red pixels */
+ vfd_table[x][y][1][display][0] =
+ (x==0) ? y*16+512+display
+ : (x%4)*4+y*16+((x-1)/2)*1024+512+display;
+ }
+ }
+ }
+ break;
+ case VFD_TYPE_MN11236:
+ for(y=0; y<=17; y++) { /* Line */
+ for(x=0; x<=111; x++) { /* Column */
+ for(display=0; display <=3; display++) {
+
+ vfd_table[x][y][0][display][0]=0;
+ vfd_table[x][y][0][display][1]=0;
+ vfd_table[x][y][1][display][0]=0;
+ vfd_table[x][y][1][display][1]=0;
+
+ switch (x%6) {
+ case 0: x_abcdef=0; break; /* a -> a */
+ case 1: x_abcdef=2; break; /* b -> c */
+ case 2: x_abcdef=4; break; /* c -> e */
+ case 3: x_abcdef=5; break; /* d -> f */
+ case 4: x_abcdef=3; break; /* e -> d */
+ case 5: x_abcdef=1; break; /* f -> b */
+ }
+
+ /* blue pixels */
+ vfd_table[x][y][0][display][0] =
+ (x>1) ? x_abcdef*4+((x-1)/3)*1024+y*48+display
+ : x_abcdef*4+ 0+y*48+display;
+ /* blue pixels */
+ if (x>1 && (x-1)%3)
+ vfd_table[x][y][0][display][1] = x_abcdef*4+((x-1)/3+1)*1024+y*48+display;
+
+ /* red pixels */
+ vfd_table[x][y][1][display][0] =
+ (x>1) ? x_abcdef*4+24+((x-1)/3)*1024+y*48+display
+ : x_abcdef*4+24+ 0+y*48+display;
+ /* red pixels */
+ if (x>1 && (x-1)%3)
+ vfd_table[x][y][1][display][1] = x_abcdef*4+24+((x-1)/3+1)*1024+y*48+display;
+ }
}
+ }
+ break;
+ default:
+ /* do nothing */
+ return;
}
/*
- * Create translation table for Noritake-T119C-VFD-specific
- * organized frame-buffer
* Create table with entries for physical byte adresses and
* bit-number within the byte
* from table with bit-numbers within the total framebuffer
*/
- for(y=0;y<=17;y++)
- {
- for(x=0;x<=111;x++)
- {
- for(color=0;color<=1;color++)
- {
- for(display=0;display<=3;display++)
- {
- for(entry=0;entry<=1;entry++)
- {
- pixel = vfd_table[x][y][color][display][entry] + frame_buf_offs;
- /*
- * wrap arround if offset
- * (see manual S3C2400)
- */
- if (pixel>=frame_buf_size*8)
- pixel = pixel-(frame_buf_size*8);
- adr = vfdbase+(pixel/32)*4+(3-(pixel%32)/8);
- bit_nr = pixel%8;
- bit_nr = (bit_nr>3)?bit_nr-4:bit_nr+4;
- adr_vfd_table[x][y][color][display][entry] = adr;
- bit_vfd_table[x][y][color][display][entry] = bit_nr;
- }
- }
+ for(y=0;y<18;y++) {
+ for(x=0;x<112;x++) {
+ for(color=0;color<2;color++) {
+ for(display=0;display<4;display++) {
+ for(entry=0;entry<2;entry++) {
+ unsigned long adr = vfdbase;
+ unsigned int bit_nr = 0;
+
+ if (vfd_table[x][y][color][display][entry]) {
+
+ pixel = vfd_table[x][y][color][display][entry] + frame_buf_offs;
+ /*
+ * wrap arround if offset
+ * (see manual S3C2400)
+ */
+ if (pixel>=frame_buf_size*8)
+ pixel = pixel-(frame_buf_size*8);
+ adr = vfdbase+(pixel/32)*4+(3-(pixel%32)/8);
+ bit_nr = pixel%8;
+ bit_nr = (bit_nr>3)?bit_nr-4:bit_nr+4;
+ }
+ adr_vfd_table[x][y][color][display][entry] = adr;
+ bit_vfd_table[x][y][color][display][entry] = bit_nr;
}
+ }
}
+ }
}
}
/*
* Set/clear pixel of the VFDs
*/
-void set_vfd_pixel(unsigned char x, unsigned char y, unsigned char color, unsigned char display, unsigned char value)
+void set_vfd_pixel(unsigned char x, unsigned char y,
+ unsigned char color, unsigned char display,
+ unsigned char value)
{
+ DECLARE_GLOBAL_DATA_PTR;
ulong adr;
unsigned char bit_nr, temp;
- if (value!=0)
- {
- /* Pixel-Eintrag Nr. 1 */
- adr = adr_vfd_table[x][y][color][display][0];
- /* Pixel-Eintrag Nr. 1 */
- bit_nr = bit_vfd_table[x][y][color][display][0];
- temp=(*(volatile unsigned char*)(adr));
- temp|=1<<bit_nr;
- (*(volatile unsigned char*)(adr))=temp;
-
- /* Pixel-Eintrag Nr. 2 */
- adr = adr_vfd_table[x][y][color][display][1];
- /* Pixel-Eintrag Nr. 2 */
- bit_nr = bit_vfd_table[x][y][color][display][1];
- temp=(*(volatile unsigned char*)(adr));
- temp|=1<<bit_nr;
- (*(volatile unsigned char*)(adr))=temp;
+ if (! gd->vfd_type) {
+ /* Unknown type. */
+ return;
}
- else
- {
- /* Pixel-Eintrag Nr. 1 */
- adr = adr_vfd_table[x][y][color][display][0];
- /* Pixel-Eintrag Nr. 1 */
- bit_nr = bit_vfd_table[x][y][color][display][0];
- temp=(*(volatile unsigned char*)(adr));
- temp&=~(1<<bit_nr);
- (*(volatile unsigned char*)(adr))=temp;
-
- /* Pixel-Eintrag Nr. 2 */
- adr = adr_vfd_table[x][y][color][display][1];
- /* Pixel-Eintrag Nr. 2 */
- bit_nr = bit_vfd_table[x][y][color][display][1];
- temp=(*(volatile unsigned char*)(adr));
- temp&=~(1<<bit_nr);
- (*(volatile unsigned char*)(adr))=temp;
+
+ /* Pixel-Eintrag Nr. 1 */
+ adr = adr_vfd_table[x][y][color][display][0];
+ /* Pixel-Eintrag Nr. 1 */
+ bit_nr = bit_vfd_table[x][y][color][display][0];
+ temp=(*(volatile unsigned char*)(adr));
+
+ if (gd->vfd_inv_data) {
+ if (value)
+ temp &= ~(1<<bit_nr);
+ else
+ temp |= (1<<bit_nr);
+ } else {
+ if (value)
+ temp |= (1<<bit_nr);
+ else
+ temp &= ~(1<<bit_nr);
}
+
+ (*(volatile unsigned char*)(adr))=temp;
}
/*
}
}
+/*
+ * This function initializes VFD clock that is needed for the CPLD that
+ * manages the keyboard.
+ */
+int vfd_init_clocks(void)
+{
+ /* Port-Pins als LCD-Ausgang */
+ rPCCON = (rPCCON & 0xFFFFFF00)| 0x000000AA;
+ /* Port-Pins als LCD-Ausgang */
+ rPDCON = (rPDCON & 0xFFFFFF03)| 0x000000A8;
+#ifdef WITH_VFRAME
+ /* mit VFRAME zum Messen */
+ rPDCON = (rPDCON & 0xFFFFFF00)| 0x000000AA;
+#endif
+
+ rLCDCON2 = 0x000DC000;
+ rLCDCON3 = 0x0051000A;
+ rLCDCON4 = 0x00000001;
+ rLCDCON5 = 0x00000440;
+ rLCDCON1 = 0x00000B75;
+}
+
/*
* initialize LCD-Controller of the S3C2400 for using VFDs
*/
int drv_vfd_init(void)
{
+ char *tmp;
ulong palette;
static int vfd_init_done = 0;
+ int vfd_id;
DECLARE_GLOBAL_DATA_PTR;
return (0);
vfd_init_done = 1;
+ /* try to determine display type from the value
+ * defined by pull-ups
+ */
+ rPCUP = (rPCUP | 0x000F); /* activate GPC0...GPC3 pullups */
+ rPCCON = (rPCCON & 0xFFFFFF00); /* configure GPC0...GPC3 as inputs */
+
+ vfd_id = (~rPCDAT) & 0x000F; /* read GPC0...GPC3 port pins */
+ debug("Detecting Revison of WA4-VFD: ID=0x%X\n", vfd_id);
+
+ switch (vfd_id) {
+ case 0: /* board revision <= Rev.100 */
+/*-----*/
+ gd->vfd_inv_data = 0;
+ if (0)
+ gd->vfd_type = VFD_TYPE_MN11236;
+ else
+ gd->vfd_type = VFD_TYPE_T119C;
+/*-----*/
+ if ((tmp = getenv ("vfd_type")) == NULL) {
+ break;
+ }
+ if (strcmp(tmp, "T119C") == 0) {
+ gd->vfd_type = VFD_TYPE_T119C;
+ } else if (strcmp(tmp, "MN11236") == 0) {
+ gd->vfd_type = VFD_TYPE_MN11236;
+ } else {
+ /* cannot use printf for a warning here */
+ gd->vfd_type = 0; /* unknown */
+ }
+ gd->vfd_inv_data = 0;
+
+ break;
+ default: /* default to MN11236, data inverted */
+ gd->vfd_type = VFD_TYPE_MN11236;
+ gd->vfd_inv_data = 1;
+ setenv ("vfd_type", "MN11236");
+ }
+ debug ("VFD type: %s%s\n",
+ (gd->vfd_type == VFD_TYPE_T119C) ? "T119C" :
+ (gd->vfd_type == VFD_TYPE_MN11236) ? "MN11236" :
+ "unknown",
+ gd->vfd_inv_data ? ", inverted data" : "");
+
vfdbase = gd->fb_base;
create_vfd_table();
init_grid_ctrl();
+ for (palette=0; palette < 16; palette++)
+ (*(volatile unsigned int*)(PALETTE+(palette*4)))=palette;
+ for (palette=16; palette < 256; palette++)
+ (*(volatile unsigned int*)(PALETTE+(palette*4)))=0x00;
+
/*
* Hinweis: Der Framebuffer ist um genau ein Nibble verschoben
* Das erste angezeigte Pixel wird aus dem zweiten Nibble geholt
rLCDSADDR2 = (vfdbase + frame_buf_size) >> 1;
rLCDSADDR3 = ((256/4));
- /* Port-Pins als LCD-Ausgang */
- rPCCON = (rPCCON & 0xFFFFFF00)| 0x000000AA;
- /* Port-Pins als LCD-Ausgang */
- rPDCON = (rPDCON & 0xFFFFFF03)| 0x000000A8;
-#ifdef WITH_VFRAME
- /* mit VFRAME zum Messen */
- rPDCON = (rPDCON & 0xFFFFFF00)| 0x000000AA;
-#endif
-
- rLCDCON2 = 0x000DC000;
- rLCDCON3 = 0x0051000A;
- rLCDCON4 = 0x00000001;
- rLCDCON5 = 0x00000440;
- rLCDCON1 = 0x00000B75;
-
debug ("LCDSADDR1: %lX\n", rLCDSADDR1);
debug ("LCDSADDR2: %lX\n", rLCDSADDR2);
debug ("LCDSADDR3: %lX\n", rLCDSADDR3);
- for(palette=0;palette<=15;palette++)
- (*(volatile unsigned int*)(PALETTE+(palette*4)))=palette;
- for(palette=16;palette<=255;palette++)
- (*(volatile unsigned int*)(PALETTE+(palette*4)))=0x00;
-
return 0;
}
if (hdr->ih_arch != IH_CPU_ARM)
#elif defined(__I386__)
if (hdr->ih_arch != IH_CPU_I386)
+#elif defined(__mips__)
+ if (hdr->ih_arch != IH_CPU_MIPS)
#else
# error Unknown CPU type
#endif
return 0;
}
+#if 0
if (ehdr->e_machine != EM_PPC) {
printf ("## Not a PowerPC elf image at address 0x%08lx\n",
addr);
return 0;
}
+#endif
return 1;
}
#ifdef CONFIG_IDE_8xx_PCCARD
extern int pcmcia_on (void);
+ extern int ide_devices_found; /* Initialized in check_ide_device() */
WATCHDOG_RESET();
+ ide_devices_found = 0;
/* initialize the PCMCIA IDE adapter card */
- if (pcmcia_on())
+ pcmcia_on();
+ if (!ide_devices_found)
return;
udelay (1000000); /* 1 s */
#endif /* CONFIG_IDE_8xx_PCCARD */
int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
#endif
+#ifdef CONFIG_IDE_8xx_PCCARD
+ /* Skip non-ide devices from probing */
+ if ((ide_devices_found & (1 << bus)) == 0) {
+ ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
+ continue;
+ }
+#endif
printf ("Bus %d: ", bus);
ide_bus_ok[bus] = 0;
#define MAX_TUPEL_SZ 512
#define MAX_FEATURES 4
+int ide_devices_found;
static int check_ide_device (int slot)
{
volatile uchar *ident = NULL;
return (1);
}
+ ide_devices_found |= (1 << slot);
+
/* set I/O area in config reg -> only valid for ARGOSY D5!!! */
*((uchar *)(addr + config_base)) = 1;
LIB = libdrivers.a
OBJS = 3c589.o 5701rls.o bcm570x.o bcm570x_autoneg.o \
- cfb_console.o cs8900.o dc2114x.o eepro100.o \
- i8042.o natsemi.o ns16550.o ns8382x.o ns87308.o \
+ cfb_console.o cs8900.o ct69000.o dc2114x.o \
+ eepro100.o i8042.o inca-ip_sw.o \
+ natsemi.o ns16550.o ns8382x.o ns87308.o \
pci.o pci_auto.o pci_indirect.o \
pcnet.o sed13806.o serial.o \
smc91111.o smiLynxEM.o sym53c8xx.o \
- tigon3.o w83c553f.o ct69000.o
+ tigon3.o w83c553f.o
all: $(LIB)
/*
* Cirrus Logic CS8900A Ethernet
*
+ * (C) 2003 Wolfgang Denk, wd@denx.de
+ * Extension to synchronize ethaddr environment variable
+ * against value in EEPROM
+ *
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
/* we don't need 16 bit initialisation on 32 bit bus */
#define get_reg_init_bus(x) get_reg((x))
#else
-static unsigned short get_reg_init_bus(int regno)
+static unsigned short get_reg_init_bus (int regno)
{
- /* force 16 bit busmode */
- volatile unsigned char c;
- c = CS8900_BUS16_0;
- c = CS8900_BUS16_1;
- c = CS8900_BUS16_0;
- c = CS8900_BUS16_1;
- c = CS8900_BUS16_0;
-
- CS8900_PPTR = regno;
- return (unsigned short) CS8900_PDATA;
+ /* force 16 bit busmode */
+ volatile unsigned char c;
+
+ c = CS8900_BUS16_0;
+ c = CS8900_BUS16_1;
+ c = CS8900_BUS16_0;
+ c = CS8900_BUS16_1;
+ c = CS8900_BUS16_0;
+
+ CS8900_PPTR = regno;
+ return (unsigned short) CS8900_PDATA;
}
#endif
-static unsigned short
-get_reg(int regno)
+static unsigned short get_reg (int regno)
{
- CS8900_PPTR = regno;
- return (unsigned short) CS8900_PDATA;
+ CS8900_PPTR = regno;
+ return (unsigned short) CS8900_PDATA;
}
-static void put_reg(int regno, unsigned short val)
+static void put_reg (int regno, unsigned short val)
{
- CS8900_PPTR = regno;
- CS8900_PDATA = val;
+ CS8900_PPTR = regno;
+ CS8900_PDATA = val;
}
-static void eth_reset(void)
+static void eth_reset (void)
{
- int tmo;
- unsigned short us;
+ int tmo;
+ unsigned short us;
- /* reset NIC */
- put_reg(PP_SelfCTL, get_reg(PP_SelfCTL) | PP_SelfCTL_Reset );
+ /* reset NIC */
+ put_reg (PP_SelfCTL, get_reg (PP_SelfCTL) | PP_SelfCTL_Reset);
- /* wait for 200ms */
- udelay(200000);
- /* Wait until the chip is reset */
+ /* wait for 200ms */
+ udelay (200000);
+ /* Wait until the chip is reset */
- tmo = get_timer(0) + 1 * CFG_HZ;
- while ((((us = get_reg_init_bus(PP_SelfSTAT)) & PP_SelfSTAT_InitD) == 0)
- && tmo < get_timer(0))
- /*NOP*/;
+ tmo = get_timer (0) + 1 * CFG_HZ;
+ while ((((us = get_reg_init_bus (PP_SelfSTAT)) & PP_SelfSTAT_InitD) == 0)
+ && tmo < get_timer (0))
+ /*NOP*/;
}
-void cs8900_get_enetaddr (uchar *addr)
+void cs8900_get_enetaddr (uchar * addr)
{
- int i;
- /* verify chip id */
- if (get_reg_init_bus(PP_ChipID) != 0x630e)
- return;
- eth_reset();
- if ((get_reg(PP_SelfST) & (PP_SelfSTAT_EEPROM | PP_SelfSTAT_EEPROM_OK)) ==
- (PP_SelfSTAT_EEPROM|PP_SelfSTAT_EEPROM_OK)) {
- /* Load the MAC from EEPROM */
- for (i=0; i<6/2; i++) {
- unsigned int Addr;
- Addr = get_reg(PP_IA+i*2);
- addr[i*2] = Addr & 0xFF;
- addr[i*2+1] = Addr >> 8;
+ int i;
+ unsigned char env_enetaddr[6];
+ char *tmp = getenv ("ethaddr");
+ char *end;
+
+ for (i=0; i<6; i++) {
+ env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
+ if (tmp)
+ tmp = (*end) ? end+1 : end;
+ }
+
+ /* verify chip id */
+ if (get_reg_init_bus (PP_ChipID) != 0x630e)
+ return;
+ eth_reset ();
+ if ((get_reg (PP_SelfST) & (PP_SelfSTAT_EEPROM | PP_SelfSTAT_EEPROM_OK)) ==
+ (PP_SelfSTAT_EEPROM | PP_SelfSTAT_EEPROM_OK)) {
+
+ /* Load the MAC from EEPROM */
+ for (i = 0; i < 6 / 2; i++) {
+ unsigned int Addr;
+
+ Addr = get_reg (PP_IA + i * 2);
+ addr[i * 2] = Addr & 0xFF;
+ addr[i * 2 + 1] = Addr >> 8;
+ }
+
+ if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6) != 0 &&
+ memcmp(env_enetaddr, addr, 6) != 0) {
+ printf ("\nWarning: MAC addresses don't match:\n");
+ printf ("\tHW MAC address: "
+ "%02X:%02X:%02X:%02X:%02X:%02X\n",
+ addr[0], addr[1],
+ addr[2], addr[3],
+ addr[4], addr[5] );
+ printf ("\t\"ethaddr\" value: "
+ "%02X:%02X:%02X:%02X:%02X:%02X\n",
+ env_enetaddr[0], env_enetaddr[1],
+ env_enetaddr[2], env_enetaddr[3],
+ env_enetaddr[4], env_enetaddr[5]) ;
+ debug ("### Set MAC addr from environment\n");
+ memcpy (addr, env_enetaddr, 6);
+ }
+ if (!tmp) {
+ char ethaddr[20];
+ sprintf (ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X",
+ addr[0], addr[1],
+ addr[2], addr[3],
+ addr[4], addr[5]) ;
+ debug ("### Set environment from HW MAC addr = \"%s\"\n", ethaddr);
+ setenv ("ethaddr", ethaddr);
+ }
+
}
- }
}
-void eth_halt( void )
+void eth_halt (void)
{
- /* disable transmitter/receiver mode */
- put_reg(PP_LineCTL, 0);
+ /* disable transmitter/receiver mode */
+ put_reg (PP_LineCTL, 0);
- /* "shutdown" to show ChipID or kernel wouldn't find he cs8900 ... */
- get_reg_init_bus(PP_ChipID);
+ /* "shutdown" to show ChipID or kernel wouldn't find he cs8900 ... */
+ get_reg_init_bus (PP_ChipID);
}
-int eth_init( bd_t *bd )
+int eth_init (bd_t * bd)
{
- /* verify chip id */
- if (get_reg_init_bus(PP_ChipID) != 0x630e)
- {
- printf( "CS8900 Ethernet chip not found?!\n" );
- return 0;
- }
+ /* verify chip id */
+ if (get_reg_init_bus (PP_ChipID) != 0x630e) {
+ printf ("CS8900 Ethernet chip not found?!\n");
+ return 0;
+ }
- eth_reset();
- /* set the ethernet address */
- put_reg(PP_IA + 0, bd->bi_enetaddr[0] | (bd->bi_enetaddr[1] << 8));
- put_reg(PP_IA + 2, bd->bi_enetaddr[2] | (bd->bi_enetaddr[3] << 8));
- put_reg(PP_IA + 4, bd->bi_enetaddr[4] | (bd->bi_enetaddr[5] << 8));
+ eth_reset ();
+ /* set the ethernet address */
+ put_reg (PP_IA + 0, bd->bi_enetaddr[0] | (bd->bi_enetaddr[1] << 8));
+ put_reg (PP_IA + 2, bd->bi_enetaddr[2] | (bd->bi_enetaddr[3] << 8));
+ put_reg (PP_IA + 4, bd->bi_enetaddr[4] | (bd->bi_enetaddr[5] << 8));
- /* receive only error free packets addressed to this card */
- put_reg(PP_RxCTL, PP_RxCTL_IA | PP_RxCTL_Broadcast | PP_RxCTL_RxOK);
+ /* receive only error free packets addressed to this card */
+ put_reg (PP_RxCTL, PP_RxCTL_IA | PP_RxCTL_Broadcast | PP_RxCTL_RxOK);
- /* do not generate any interrupts on receive operations */
- put_reg(PP_RxCFG, 0);
+ /* do not generate any interrupts on receive operations */
+ put_reg (PP_RxCFG, 0);
- /* do not generate any interrupts on transmit operations */
- put_reg(PP_TxCFG, 0);
+ /* do not generate any interrupts on transmit operations */
+ put_reg (PP_TxCFG, 0);
- /* do not generate any interrupts on buffer operations */
- put_reg(PP_BufCFG, 0);
+ /* do not generate any interrupts on buffer operations */
+ put_reg (PP_BufCFG, 0);
- /* enable transmitter/receiver mode */
- put_reg(PP_LineCTL, PP_LineCTL_Rx | PP_LineCTL_Tx);
+ /* enable transmitter/receiver mode */
+ put_reg (PP_LineCTL, PP_LineCTL_Rx | PP_LineCTL_Tx);
- return 0;
+ return 0;
}
/* Get a data block via Ethernet */
-extern int eth_rx(void)
+extern int eth_rx (void)
{
- int i;
- unsigned short rxlen;
- unsigned short *addr;
- unsigned short status;
+ int i;
+ unsigned short rxlen;
+ unsigned short *addr;
+ unsigned short status;
- status = get_reg(PP_RER);
+ status = get_reg (PP_RER);
- if ((status & PP_RER_RxOK) == 0)
- return 0;
+ if ((status & PP_RER_RxOK) == 0)
+ return 0;
- status = CS8900_RTDATA; /* stat */
- rxlen = CS8900_RTDATA; /* len */
+ status = CS8900_RTDATA; /* stat */
+ rxlen = CS8900_RTDATA; /* len */
- if(rxlen > PKTSIZE_ALIGN + PKTALIGN)
- printf("packet too big!\n");
+ if (rxlen > PKTSIZE_ALIGN + PKTALIGN)
+ printf ("packet too big!\n");
- for(addr = (unsigned short *)NetRxPackets[0], i = rxlen >> 1; i > 0; i-- )
- *addr++ = CS8900_RTDATA;
- if(rxlen & 1)
- *addr++ = CS8900_RTDATA;
+ for (addr = (unsigned short *) NetRxPackets[0], i = rxlen >> 1; i > 0;
+ i--)
+ *addr++ = CS8900_RTDATA;
+ if (rxlen & 1)
+ *addr++ = CS8900_RTDATA;
- /* Pass the packet up to the protocol layers. */
- NetReceive(NetRxPackets[0], rxlen);
+ /* Pass the packet up to the protocol layers. */
+ NetReceive (NetRxPackets[0], rxlen);
- return rxlen;
+ return rxlen;
}
/* Send a data block via Ethernet. */
-extern int eth_send(volatile void *packet, int length)
+extern int eth_send (volatile void *packet, int length)
{
- volatile unsigned short *addr;
- int tmo;
- unsigned short s;
+ volatile unsigned short *addr;
+ int tmo;
+ unsigned short s;
retry:
- /* initiate a transmit sequence */
- CS8900_TxCMD = PP_TxCmd_TxStart_Full;
- CS8900_TxLEN = length;
-
- /* Test to see if the chip has allocated memory for the packet */
- if ((get_reg(PP_BusSTAT) & PP_BusSTAT_TxRDY) == 0) {
- /* Oops... this should not happen! */
- printf("cs: unable to send packet; retrying...\n");
- for (tmo = get_timer(0) + 5 * CFG_HZ; get_timer(0) < tmo; )
- /*NOP*/;
- eth_reset();
- goto retry;
- }
-
- /* Write the contents of the packet */
- /* assume even number of bytes */
- for(addr = packet; length > 0; length -= 2 )
- CS8900_RTDATA = *addr++;
-
- /* wait for transfer to succeed */
- tmo = get_timer(0) + 5 * CFG_HZ;
- while((s = get_reg(PP_TER) & ~0x1F) == 0)
- {
- if (get_timer(0) >= tmo)
- break;
- }
-
- /* nothing */ ;
- if ((s & (PP_TER_CRS | PP_TER_TxOK)) != PP_TER_TxOK) {
- printf("\ntransmission error %#x\n", s);
- }
-
- return 0;
+ /* initiate a transmit sequence */
+ CS8900_TxCMD = PP_TxCmd_TxStart_Full;
+ CS8900_TxLEN = length;
+
+ /* Test to see if the chip has allocated memory for the packet */
+ if ((get_reg (PP_BusSTAT) & PP_BusSTAT_TxRDY) == 0) {
+ /* Oops... this should not happen! */
+ printf ("cs: unable to send packet; retrying...\n");
+ for (tmo = get_timer (0) + 5 * CFG_HZ; get_timer (0) < tmo;)
+ /*NOP*/;
+ eth_reset ();
+ goto retry;
+ }
+
+ /* Write the contents of the packet */
+ /* assume even number of bytes */
+ for (addr = packet; length > 0; length -= 2)
+ CS8900_RTDATA = *addr++;
+
+ /* wait for transfer to succeed */
+ tmo = get_timer (0) + 5 * CFG_HZ;
+ while ((s = get_reg (PP_TER) & ~0x1F) == 0) {
+ if (get_timer (0) >= tmo)
+ break;
+ }
+
+ /* nothing */ ;
+ if ((s & (PP_TER_CRS | PP_TER_TxOK)) != PP_TER_TxOK) {
+ printf ("\ntransmission error %#x\n", s);
+ }
+
+ return 0;
}
-#endif /* COMMANDS & CFG_NET */
+#endif /* COMMANDS & CFG_NET */
-#endif /* CONFIG_DRIVER_CS8900 */
+#endif /* CONFIG_DRIVER_CS8900 */
/* History: */
/******************************************************************************/
#include <common.h>
-#include "bcm570x_mm.h"
#include <asm/types.h>
#if (CONFIG_COMMANDS & CFG_CMD_NET) && !defined(CONFIG_NET_MULTI) && \
defined(CONFIG_TIGON3)
#endif
#include <malloc.h>
#include <linux/byteorder/big_endian.h>
+#include "bcm570x_mm.h"
#define EMBEDDED 1
/******************************************************************************/
SREC = hello_world.srec
+ifeq ($(CPU),mips)
+SREC =
+endif
+
# The following example is pretty 8xx specific...
ifeq ($(CPU),mpc8xx)
SREC += timer.srec
stmfd sp!, {fp, ip, lr, pc}
sub fp, ip, #4
ldmea fp, {fp, sp, pc}
-#else /* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */
+#elif defined(CONFIG_MIPS)/* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */
+#warning MIPS version not implemented yet
+ .global mon_getc
+ .type mon_getc,function
+mon_getc:
+ .global mon_tstc
+ .type mon_tstc,function
+mon_tstc:
+ .global mon_putc
+ .type mon_putc,function
+mon_putc:
+ .global mon_puts
+ .type mon_puts,function
+mon_puts:
+ .global mon_printf
+ .type mon_printf,function
+mon_printf:
+ .global mon_install_hdlr
+ .type mon_install_hdlr,function
+mon_install_hdlr:
+ .global mon_free_hdlr
+ .type mon_free_hdlr,function
+mon_free_hdlr:
+ .global mon_malloc
+ .type mon_malloc,function
+mon_malloc:
+ .global mon_free
+ .type mon_free,function
+mon_free:
+
+#else
#ifdef CONFIG_I386 /* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */
#define SYMBOL_NAME(X) X
unsigned long env_valid; /* Checksum of Environment valid? */
#ifdef CONFIG_VFD
unsigned long fb_base; /* base address of frame buffer */
+ unsigned char vfd_type; /* display type */
+ unsigned char vfd_inv_data; /* inverted data lines ? */
#endif
#if 0
unsigned long cpu_clk; /* CPU clock in Hz! */
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996 by Ralf Baechle
+ * Copyright (C) 2000 by Maciej W. Rozycki
+ *
+ * Defitions for the address spaces of the MIPS CPUs.
+ */
+#ifndef __ASM_MIPS_ADDRSPACE_H
+#define __ASM_MIPS_ADDRSPACE_H
+
+/*
+ * Memory segments (32bit kernel mode addresses)
+ */
+#define KUSEG 0x00000000
+#define KSEG0 0x80000000
+#define KSEG1 0xa0000000
+#define KSEG2 0xc0000000
+#define KSEG3 0xe0000000
+
+#define K0BASE KSEG0
+
+/*
+ * Returns the kernel segment base of a given address
+ */
+#ifndef __ASSEMBLY__
+#define KSEGX(a) (((unsigned long)(a)) & 0xe0000000)
+#else
+#define KSEGX(a) ((a) & 0xe0000000)
+#endif
+
+/*
+ * Returns the physical address of a KSEG0/KSEG1 address
+ */
+#ifndef __ASSEMBLY__
+#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
+#else
+#define PHYSADDR(a) ((a) & 0x1fffffff)
+#endif
+
+/*
+ * Map an address to a certain kernel segment
+ */
+#ifndef __ASSEMBLY__
+#define KSEG0ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG0))
+#define KSEG1ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG1))
+#define KSEG2ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG2))
+#define KSEG3ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG3))
+#else
+#define KSEG0ADDR(a) (((a) & 0x1fffffff) | KSEG0)
+#define KSEG1ADDR(a) (((a) & 0x1fffffff) | KSEG1)
+#define KSEG2ADDR(a) (((a) & 0x1fffffff) | KSEG2)
+#define KSEG3ADDR(a) (((a) & 0x1fffffff) | KSEG3)
+#endif
+
+/*
+ * Memory segments (64bit kernel mode addresses)
+ */
+#define XKUSEG 0x0000000000000000
+#define XKSSEG 0x4000000000000000
+#define XKPHYS 0x8000000000000000
+#define XKSEG 0xc000000000000000
+#define CKSEG0 0xffffffff80000000
+#define CKSEG1 0xffffffffa0000000
+#define CKSSEG 0xffffffffc0000000
+#define CKSEG3 0xffffffffe0000000
+
+#endif /* __ASM_MIPS_ADDRSPACE_H */
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1994 - 1997, 1999, 2000 Ralf Baechle (ralf@gnu.org)
+ * Copyright (c) 2000 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_BITOPS_H
+#define _ASM_BITOPS_H
+
+#include <linux/types.h>
+#include <asm/byteorder.h> /* sigh ... */
+
+#ifdef __KERNEL__
+
+#include <asm/sgidefs.h>
+#include <asm/system.h>
+#include <linux/config.h>
+
+/*
+ * clear_bit() doesn't provide any barrier for the compiler.
+ */
+#define smp_mb__before_clear_bit() barrier()
+#define smp_mb__after_clear_bit() barrier()
+
+/*
+ * Only disable interrupt for kernel mode stuff to keep usermode stuff
+ * that dares to use kernel include files alive.
+ */
+#define __bi_flags unsigned long flags
+#define __bi_cli() __cli()
+#define __bi_save_flags(x) __save_flags(x)
+#define __bi_save_and_cli(x) __save_and_cli(x)
+#define __bi_restore_flags(x) __restore_flags(x)
+#else
+#define __bi_flags
+#define __bi_cli()
+#define __bi_save_flags(x)
+#define __bi_save_and_cli(x)
+#define __bi_restore_flags(x)
+#endif /* __KERNEL__ */
+
+#ifdef CONFIG_CPU_HAS_LLSC
+
+#include <asm/mipsregs.h>
+
+/*
+ * These functions for MIPS ISA > 1 are interrupt and SMP proof and
+ * interrupt friendly
+ */
+
+/*
+ * set_bit - Atomically set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * This function is atomic and may not be reordered. See __set_bit()
+ * if you do not require the atomic guarantees.
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ */
+extern __inline__ void
+set_bit(int nr, volatile void *addr)
+{
+ unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
+ unsigned long temp;
+
+ __asm__ __volatile__(
+ "1:\tll\t%0, %1\t\t# set_bit\n\t"
+ "or\t%0, %2\n\t"
+ "sc\t%0, %1\n\t"
+ "beqz\t%0, 1b"
+ : "=&r" (temp), "=m" (*m)
+ : "ir" (1UL << (nr & 0x1f)), "m" (*m));
+}
+
+/*
+ * __set_bit - Set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * Unlike set_bit(), this function is non-atomic and may be reordered.
+ * If it's called on the same region of memory simultaneously, the effect
+ * may be that only one operation succeeds.
+ */
+extern __inline__ void __set_bit(int nr, volatile void * addr)
+{
+ unsigned long * m = ((unsigned long *) addr) + (nr >> 5);
+
+ *m |= 1UL << (nr & 31);
+}
+
+/*
+ * clear_bit - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * clear_bit() is atomic and may not be reordered. However, it does
+ * not contain a memory barrier, so if it is used for locking purposes,
+ * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
+ * in order to ensure changes are visible on other processors.
+ */
+extern __inline__ void
+clear_bit(int nr, volatile void *addr)
+{
+ unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
+ unsigned long temp;
+
+ __asm__ __volatile__(
+ "1:\tll\t%0, %1\t\t# clear_bit\n\t"
+ "and\t%0, %2\n\t"
+ "sc\t%0, %1\n\t"
+ "beqz\t%0, 1b\n\t"
+ : "=&r" (temp), "=m" (*m)
+ : "ir" (~(1UL << (nr & 0x1f))), "m" (*m));
+}
+
+/*
+ * change_bit - Toggle a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * change_bit() is atomic and may not be reordered.
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ */
+extern __inline__ void
+change_bit(int nr, volatile void *addr)
+{
+ unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
+ unsigned long temp;
+
+ __asm__ __volatile__(
+ "1:\tll\t%0, %1\t\t# change_bit\n\t"
+ "xor\t%0, %2\n\t"
+ "sc\t%0, %1\n\t"
+ "beqz\t%0, 1b"
+ : "=&r" (temp), "=m" (*m)
+ : "ir" (1UL << (nr & 0x1f)), "m" (*m));
+}
+
+/*
+ * __change_bit - Toggle a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * Unlike change_bit(), this function is non-atomic and may be reordered.
+ * If it's called on the same region of memory simultaneously, the effect
+ * may be that only one operation succeeds.
+ */
+extern __inline__ void __change_bit(int nr, volatile void * addr)
+{
+ unsigned long * m = ((unsigned long *) addr) + (nr >> 5);
+
+ *m ^= 1UL << (nr & 31);
+}
+
+/*
+ * test_and_set_bit - Set a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It also implies a memory barrier.
+ */
+extern __inline__ int
+test_and_set_bit(int nr, volatile void *addr)
+{
+ unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
+ unsigned long temp, res;
+
+ __asm__ __volatile__(
+ ".set\tnoreorder\t\t# test_and_set_bit\n"
+ "1:\tll\t%0, %1\n\t"
+ "or\t%2, %0, %3\n\t"
+ "sc\t%2, %1\n\t"
+ "beqz\t%2, 1b\n\t"
+ " and\t%2, %0, %3\n\t"
+ ".set\treorder"
+ : "=&r" (temp), "=m" (*m), "=&r" (res)
+ : "r" (1UL << (nr & 0x1f)), "m" (*m)
+ : "memory");
+
+ return res != 0;
+}
+
+/*
+ * __test_and_set_bit - Set a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.
+ * If two examples of this operation race, one can appear to succeed
+ * but actually fail. You must protect multiple accesses with a lock.
+ */
+extern __inline__ int __test_and_set_bit(int nr, volatile void * addr)
+{
+ int mask, retval;
+ volatile int *a = addr;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ retval = (mask & *a) != 0;
+ *a |= mask;
+
+ return retval;
+}
+
+/*
+ * test_and_clear_bit - Clear a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It also implies a memory barrier.
+ */
+extern __inline__ int
+test_and_clear_bit(int nr, volatile void *addr)
+{
+ unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
+ unsigned long temp, res;
+
+ __asm__ __volatile__(
+ ".set\tnoreorder\t\t# test_and_clear_bit\n"
+ "1:\tll\t%0, %1\n\t"
+ "or\t%2, %0, %3\n\t"
+ "xor\t%2, %3\n\t"
+ "sc\t%2, %1\n\t"
+ "beqz\t%2, 1b\n\t"
+ " and\t%2, %0, %3\n\t"
+ ".set\treorder"
+ : "=&r" (temp), "=m" (*m), "=&r" (res)
+ : "r" (1UL << (nr & 0x1f)), "m" (*m)
+ : "memory");
+
+ return res != 0;
+}
+
+/*
+ * __test_and_clear_bit - Clear a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.
+ * If two examples of this operation race, one can appear to succeed
+ * but actually fail. You must protect multiple accesses with a lock.
+ */
+extern __inline__ int __test_and_clear_bit(int nr, volatile void * addr)
+{
+ int mask, retval;
+ volatile int *a = addr;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ retval = (mask & *a) != 0;
+ *a &= ~mask;
+
+ return retval;
+}
+
+/*
+ * test_and_change_bit - Change a bit and return its new value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It also implies a memory barrier.
+ */
+extern __inline__ int
+test_and_change_bit(int nr, volatile void *addr)
+{
+ unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
+ unsigned long temp, res;
+
+ __asm__ __volatile__(
+ ".set\tnoreorder\t\t# test_and_change_bit\n"
+ "1:\tll\t%0, %1\n\t"
+ "xor\t%2, %0, %3\n\t"
+ "sc\t%2, %1\n\t"
+ "beqz\t%2, 1b\n\t"
+ " and\t%2, %0, %3\n\t"
+ ".set\treorder"
+ : "=&r" (temp), "=m" (*m), "=&r" (res)
+ : "r" (1UL << (nr & 0x1f)), "m" (*m)
+ : "memory");
+
+ return res != 0;
+}
+
+/*
+ * __test_and_change_bit - Change a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.
+ * If two examples of this operation race, one can appear to succeed
+ * but actually fail. You must protect multiple accesses with a lock.
+ */
+extern __inline__ int __test_and_change_bit(int nr, volatile void * addr)
+{
+ int mask, retval;
+ volatile int *a = addr;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ retval = (mask & *a) != 0;
+ *a ^= mask;
+
+ return retval;
+}
+
+#else /* MIPS I */
+
+/*
+ * set_bit - Atomically set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * This function is atomic and may not be reordered. See __set_bit()
+ * if you do not require the atomic guarantees.
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ */
+extern __inline__ void set_bit(int nr, volatile void * addr)
+{
+ int mask;
+ volatile int *a = addr;
+ __bi_flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ __bi_save_and_cli(flags);
+ *a |= mask;
+ __bi_restore_flags(flags);
+}
+
+/*
+ * __set_bit - Set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * Unlike set_bit(), this function is non-atomic and may be reordered.
+ * If it's called on the same region of memory simultaneously, the effect
+ * may be that only one operation succeeds.
+ */
+extern __inline__ void __set_bit(int nr, volatile void * addr)
+{
+ int mask;
+ volatile int *a = addr;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ *a |= mask;
+}
+
+/*
+ * clear_bit - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * clear_bit() is atomic and may not be reordered. However, it does
+ * not contain a memory barrier, so if it is used for locking purposes,
+ * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
+ * in order to ensure changes are visible on other processors.
+ */
+extern __inline__ void clear_bit(int nr, volatile void * addr)
+{
+ int mask;
+ volatile int *a = addr;
+ __bi_flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ __bi_save_and_cli(flags);
+ *a &= ~mask;
+ __bi_restore_flags(flags);
+}
+
+/*
+ * change_bit - Toggle a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * change_bit() is atomic and may not be reordered.
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ */
+extern __inline__ void change_bit(int nr, volatile void * addr)
+{
+ int mask;
+ volatile int *a = addr;
+ __bi_flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ __bi_save_and_cli(flags);
+ *a ^= mask;
+ __bi_restore_flags(flags);
+}
+
+/*
+ * __change_bit - Toggle a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * Unlike change_bit(), this function is non-atomic and may be reordered.
+ * If it's called on the same region of memory simultaneously, the effect
+ * may be that only one operation succeeds.
+ */
+extern __inline__ void __change_bit(int nr, volatile void * addr)
+{
+ unsigned long * m = ((unsigned long *) addr) + (nr >> 5);
+
+ *m ^= 1UL << (nr & 31);
+}
+
+/*
+ * test_and_set_bit - Set a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It also implies a memory barrier.
+ */
+extern __inline__ int test_and_set_bit(int nr, volatile void * addr)
+{
+ int mask, retval;
+ volatile int *a = addr;
+ __bi_flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ __bi_save_and_cli(flags);
+ retval = (mask & *a) != 0;
+ *a |= mask;
+ __bi_restore_flags(flags);
+
+ return retval;
+}
+
+/*
+ * __test_and_set_bit - Set a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.
+ * If two examples of this operation race, one can appear to succeed
+ * but actually fail. You must protect multiple accesses with a lock.
+ */
+extern __inline__ int __test_and_set_bit(int nr, volatile void * addr)
+{
+ int mask, retval;
+ volatile int *a = addr;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ retval = (mask & *a) != 0;
+ *a |= mask;
+
+ return retval;
+}
+
+/*
+ * test_and_clear_bit - Clear a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It also implies a memory barrier.
+ */
+extern __inline__ int test_and_clear_bit(int nr, volatile void * addr)
+{
+ int mask, retval;
+ volatile int *a = addr;
+ __bi_flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ __bi_save_and_cli(flags);
+ retval = (mask & *a) != 0;
+ *a &= ~mask;
+ __bi_restore_flags(flags);
+
+ return retval;
+}
+
+/*
+ * __test_and_clear_bit - Clear a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.
+ * If two examples of this operation race, one can appear to succeed
+ * but actually fail. You must protect multiple accesses with a lock.
+ */
+extern __inline__ int __test_and_clear_bit(int nr, volatile void * addr)
+{
+ int mask, retval;
+ volatile int *a = addr;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ retval = (mask & *a) != 0;
+ *a &= ~mask;
+
+ return retval;
+}
+
+/*
+ * test_and_change_bit - Change a bit and return its new value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It also implies a memory barrier.
+ */
+extern __inline__ int test_and_change_bit(int nr, volatile void * addr)
+{
+ int mask, retval;
+ volatile int *a = addr;
+ __bi_flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ __bi_save_and_cli(flags);
+ retval = (mask & *a) != 0;
+ *a ^= mask;
+ __bi_restore_flags(flags);
+
+ return retval;
+}
+
+/*
+ * __test_and_change_bit - Change a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.
+ * If two examples of this operation race, one can appear to succeed
+ * but actually fail. You must protect multiple accesses with a lock.
+ */
+extern __inline__ int __test_and_change_bit(int nr, volatile void * addr)
+{
+ int mask, retval;
+ volatile int *a = addr;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ retval = (mask & *a) != 0;
+ *a ^= mask;
+
+ return retval;
+}
+
+#undef __bi_flags
+#undef __bi_cli
+#undef __bi_save_flags
+#undef __bi_restore_flags
+
+#endif /* MIPS I */
+
+/*
+ * test_bit - Determine whether a bit is set
+ * @nr: bit number to test
+ * @addr: Address to start counting from
+ */
+extern __inline__ int test_bit(int nr, volatile void *addr)
+{
+ return ((1UL << (nr & 31)) & (((const unsigned int *) addr)[nr >> 5])) != 0;
+}
+
+#ifndef __MIPSEB__
+
+/* Little endian versions. */
+
+/*
+ * find_first_zero_bit - find the first zero bit in a memory region
+ * @addr: The address to start the search at
+ * @size: The maximum size to search
+ *
+ * Returns the bit-number of the first zero bit, not the number of the byte
+ * containing a bit.
+ */
+extern __inline__ int find_first_zero_bit (void *addr, unsigned size)
+{
+ unsigned long dummy;
+ int res;
+
+ if (!size)
+ return 0;
+
+ __asm__ (".set\tnoreorder\n\t"
+ ".set\tnoat\n"
+ "1:\tsubu\t$1,%6,%0\n\t"
+ "blez\t$1,2f\n\t"
+ "lw\t$1,(%5)\n\t"
+ "addiu\t%5,4\n\t"
+#if (_MIPS_ISA == _MIPS_ISA_MIPS2 ) || (_MIPS_ISA == _MIPS_ISA_MIPS3 ) || \
+ (_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5 ) || \
+ (_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
+ "beql\t%1,$1,1b\n\t"
+ "addiu\t%0,32\n\t"
+#else
+ "addiu\t%0,32\n\t"
+ "beq\t%1,$1,1b\n\t"
+ "nop\n\t"
+ "subu\t%0,32\n\t"
+#endif
+#ifdef __MIPSEB__
+#error "Fix this for big endian"
+#endif /* __MIPSEB__ */
+ "li\t%1,1\n"
+ "1:\tand\t%2,$1,%1\n\t"
+ "beqz\t%2,2f\n\t"
+ "sll\t%1,%1,1\n\t"
+ "bnez\t%1,1b\n\t"
+ "add\t%0,%0,1\n\t"
+ ".set\tat\n\t"
+ ".set\treorder\n"
+ "2:"
+ : "=r" (res), "=r" (dummy), "=r" (addr)
+ : "0" ((signed int) 0), "1" ((unsigned int) 0xffffffff),
+ "2" (addr), "r" (size)
+ : "$1");
+
+ return res;
+}
+
+/*
+ * find_next_zero_bit - find the first zero bit in a memory region
+ * @addr: The address to base the search on
+ * @offset: The bitnumber to start searching at
+ * @size: The maximum size to search
+ */
+extern __inline__ int find_next_zero_bit (void * addr, int size, int offset)
+{
+ unsigned int *p = ((unsigned int *) addr) + (offset >> 5);
+ int set = 0, bit = offset & 31, res;
+ unsigned long dummy;
+
+ if (bit) {
+ /*
+ * Look for zero in first byte
+ */
+#ifdef __MIPSEB__
+#error "Fix this for big endian byte order"
+#endif
+ __asm__(".set\tnoreorder\n\t"
+ ".set\tnoat\n"
+ "1:\tand\t$1,%4,%1\n\t"
+ "beqz\t$1,1f\n\t"
+ "sll\t%1,%1,1\n\t"
+ "bnez\t%1,1b\n\t"
+ "addiu\t%0,1\n\t"
+ ".set\tat\n\t"
+ ".set\treorder\n"
+ "1:"
+ : "=r" (set), "=r" (dummy)
+ : "0" (0), "1" (1 << bit), "r" (*p)
+ : "$1");
+ if (set < (32 - bit))
+ return set + offset;
+ set = 32 - bit;
+ p++;
+ }
+ /*
+ * No zero yet, search remaining full bytes for a zero
+ */
+ res = find_first_zero_bit(p, size - 32 * (p - (unsigned int *) addr));
+ return offset + set + res;
+}
+
+#endif /* !(__MIPSEB__) */
+
+/*
+ * ffz - find first zero in word.
+ * @word: The word to search
+ *
+ * Undefined if no zero exists, so code should check against ~0UL first.
+ */
+extern __inline__ unsigned long ffz(unsigned long word)
+{
+ unsigned int __res;
+ unsigned int mask = 1;
+
+ __asm__ (
+ ".set\tnoreorder\n\t"
+ ".set\tnoat\n\t"
+ "move\t%0,$0\n"
+ "1:\tand\t$1,%2,%1\n\t"
+ "beqz\t$1,2f\n\t"
+ "sll\t%1,1\n\t"
+ "bnez\t%1,1b\n\t"
+ "addiu\t%0,1\n\t"
+ ".set\tat\n\t"
+ ".set\treorder\n"
+ "2:\n\t"
+ : "=&r" (__res), "=r" (mask)
+ : "r" (word), "1" (mask)
+ : "$1");
+
+ return __res;
+}
+
+#ifdef __KERNEL__
+
+/**
+ * ffs - find first bit set
+ * @x: the word to search
+ *
+ * This is defined the same way as
+ * the libc and compiler builtin ffs routines, therefore
+ * differs in spirit from the above ffz (man ffs).
+ */
+
+#define ffs(x) generic_ffs(x)
+
+/*
+ * hweightN - returns the hamming weight of a N-bit word
+ * @x: the word to weigh
+ *
+ * The Hamming Weight of a number is the total number of bits set in it.
+ */
+
+#define hweight32(x) generic_hweight32(x)
+#define hweight16(x) generic_hweight16(x)
+#define hweight8(x) generic_hweight8(x)
+
+#endif /* __KERNEL__ */
+
+#ifdef __MIPSEB__
+/*
+ * find_next_zero_bit - find the first zero bit in a memory region
+ * @addr: The address to base the search on
+ * @offset: The bitnumber to start searching at
+ * @size: The maximum size to search
+ */
+extern __inline__ int find_next_zero_bit(void *addr, int size, int offset)
+{
+ unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
+ unsigned long result = offset & ~31UL;
+ unsigned long tmp;
+
+ if (offset >= size)
+ return size;
+ size -= result;
+ offset &= 31UL;
+ if (offset) {
+ tmp = *(p++);
+ tmp |= ~0UL >> (32-offset);
+ if (size < 32)
+ goto found_first;
+ if (~tmp)
+ goto found_middle;
+ size -= 32;
+ result += 32;
+ }
+ while (size & ~31UL) {
+ if (~(tmp = *(p++)))
+ goto found_middle;
+ result += 32;
+ size -= 32;
+ }
+ if (!size)
+ return result;
+ tmp = *p;
+
+found_first:
+ tmp |= ~0UL << size;
+found_middle:
+ return result + ffz(tmp);
+}
+
+/* Linus sez that gcc can optimize the following correctly, we'll see if this
+ * holds on the Sparc as it does for the ALPHA.
+ */
+
+#if 0 /* Fool kernel-doc since it doesn't do macros yet */
+/*
+ * find_first_zero_bit - find the first zero bit in a memory region
+ * @addr: The address to start the search at
+ * @size: The maximum size to search
+ *
+ * Returns the bit-number of the first zero bit, not the number of the byte
+ * containing a bit.
+ */
+extern int find_first_zero_bit (void *addr, unsigned size);
+#endif
+
+#define find_first_zero_bit(addr, size) \
+ find_next_zero_bit((addr), (size), 0)
+
+#endif /* (__MIPSEB__) */
+
+/* Now for the ext2 filesystem bit operations and helper routines. */
+
+#ifdef __MIPSEB__
+extern __inline__ int ext2_set_bit(int nr, void * addr)
+{
+ int mask, retval, flags;
+ unsigned char *ADDR = (unsigned char *) addr;
+
+ ADDR += nr >> 3;
+ mask = 1 << (nr & 0x07);
+ save_and_cli(flags);
+ retval = (mask & *ADDR) != 0;
+ *ADDR |= mask;
+ restore_flags(flags);
+ return retval;
+}
+
+extern __inline__ int ext2_clear_bit(int nr, void * addr)
+{
+ int mask, retval, flags;
+ unsigned char *ADDR = (unsigned char *) addr;
+
+ ADDR += nr >> 3;
+ mask = 1 << (nr & 0x07);
+ save_and_cli(flags);
+ retval = (mask & *ADDR) != 0;
+ *ADDR &= ~mask;
+ restore_flags(flags);
+ return retval;
+}
+
+extern __inline__ int ext2_test_bit(int nr, const void * addr)
+{
+ int mask;
+ const unsigned char *ADDR = (const unsigned char *) addr;
+
+ ADDR += nr >> 3;
+ mask = 1 << (nr & 0x07);
+ return ((mask & *ADDR) != 0);
+}
+
+#define ext2_find_first_zero_bit(addr, size) \
+ ext2_find_next_zero_bit((addr), (size), 0)
+
+extern __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset)
+{
+ unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
+ unsigned long result = offset & ~31UL;
+ unsigned long tmp;
+
+ if (offset >= size)
+ return size;
+ size -= result;
+ offset &= 31UL;
+ if(offset) {
+ /* We hold the little endian value in tmp, but then the
+ * shift is illegal. So we could keep a big endian value
+ * in tmp, like this:
+ *
+ * tmp = __swab32(*(p++));
+ * tmp |= ~0UL >> (32-offset);
+ *
+ * but this would decrease preformance, so we change the
+ * shift:
+ */
+ tmp = *(p++);
+ tmp |= __swab32(~0UL >> (32-offset));
+ if(size < 32)
+ goto found_first;
+ if(~tmp)
+ goto found_middle;
+ size -= 32;
+ result += 32;
+ }
+ while(size & ~31UL) {
+ if(~(tmp = *(p++)))
+ goto found_middle;
+ result += 32;
+ size -= 32;
+ }
+ if(!size)
+ return result;
+ tmp = *p;
+
+found_first:
+ /* tmp is little endian, so we would have to swab the shift,
+ * see above. But then we have to swab tmp below for ffz, so
+ * we might as well do this here.
+ */
+ return result + ffz(__swab32(tmp) | (~0UL << size));
+found_middle:
+ return result + ffz(__swab32(tmp));
+}
+#else /* !(__MIPSEB__) */
+
+/* Native ext2 byte ordering, just collapse using defines. */
+#define ext2_set_bit(nr, addr) test_and_set_bit((nr), (addr))
+#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr), (addr))
+#define ext2_test_bit(nr, addr) test_bit((nr), (addr))
+#define ext2_find_first_zero_bit(addr, size) find_first_zero_bit((addr), (size))
+#define ext2_find_next_zero_bit(addr, size, offset) \
+ find_next_zero_bit((addr), (size), (offset))
+
+#endif /* !(__MIPSEB__) */
+
+/*
+ * Bitmap functions for the minix filesystem.
+ * FIXME: These assume that Minix uses the native byte/bitorder.
+ * This limits the Minix filesystem's value for data exchange very much.
+ */
+#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr)
+#define minix_set_bit(nr,addr) set_bit(nr,addr)
+#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr)
+#define minix_test_bit(nr,addr) test_bit(nr,addr)
+#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)
+
+#endif /* _ASM_BITOPS_H */
--- /dev/null
+/* $Id: byteorder.h,v 1.8 1998/11/02 09:29:32 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) by Ralf Baechle
+ */
+#ifndef _MIPS_BYTEORDER_H
+#define _MIPS_BYTEORDER_H
+
+#include <asm/types.h>
+
+#ifdef __GNUC__
+
+#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+# define __BYTEORDER_HAS_U64__
+# define __SWAB_64_THRU_32__
+#endif
+
+#endif /* __GNUC__ */
+
+#if defined (__MIPSEB__)
+# include <linux/byteorder/big_endian.h>
+#elif defined (__MIPSEL__)
+# include <linux/byteorder/little_endian.h>
+#else
+# error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
+#endif
+
+#endif /* _MIPS_BYTEORDER_H */
--- /dev/null
+/*
+ * cachectl.h -- defines for MIPS cache control system calls
+ *
+ * Copyright (C) 1994, 1995, 1996 by Ralf Baechle
+ */
+#ifndef __ASM_MIPS_CACHECTL
+#define __ASM_MIPS_CACHECTL
+
+/*
+ * Options for cacheflush system call
+ */
+#define ICACHE (1<<0) /* flush instruction cache */
+#define DCACHE (1<<1) /* writeback and flush data cache */
+#define BCACHE (ICACHE|DCACHE) /* flush both caches */
+
+/*
+ * Caching modes for the cachectl(2) call
+ *
+ * cachectl(2) is currently not supported and returns ENOSYS.
+ */
+#define CACHEABLE 0 /* make pages cacheable */
+#define UNCACHEABLE 1 /* make pages uncacheable */
+
+#endif /* __ASM_MIPS_CACHECTL */
--- /dev/null
+/*
+ * Cache operations for the cache instruction.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * (C) Copyright 1996, 1997 by Ralf Baechle
+ */
+#ifndef __ASM_MIPS_CACHEOPS_H
+#define __ASM_MIPS_CACHEOPS_H
+
+/*
+ * Cache Operations
+ */
+#define Index_Invalidate_I 0x00
+#define Index_Writeback_Inv_D 0x01
+#define Index_Invalidate_SI 0x02
+#define Index_Writeback_Inv_SD 0x03
+#define Index_Load_Tag_I 0x04
+#define Index_Load_Tag_D 0x05
+#define Index_Load_Tag_SI 0x06
+#define Index_Load_Tag_SD 0x07
+#define Index_Store_Tag_I 0x08
+#define Index_Store_Tag_D 0x09
+#define Index_Store_Tag_SI 0x0A
+#define Index_Store_Tag_SD 0x0B
+#define Create_Dirty_Excl_D 0x0d
+#define Create_Dirty_Excl_SD 0x0f
+#define Hit_Invalidate_I 0x10
+#define Hit_Invalidate_D 0x11
+#define Hit_Invalidate_SI 0x12
+#define Hit_Invalidate_SD 0x13
+#define Fill 0x14
+#define Hit_Writeback_Inv_D 0x15
+ /* 0x16 is unused */
+#define Hit_Writeback_Inv_SD 0x17
+#define Hit_Writeback_I 0x18
+#define Hit_Writeback_D 0x19
+ /* 0x1a is unused */
+#define Hit_Writeback_SD 0x1b
+ /* 0x1c is unused */
+ /* 0x1e is unused */
+#define Hit_Set_Virtual_SI 0x1e
+#define Hit_Set_Virtual_SD 0x1f
+
+#endif /* __ASM_MIPS_CACHEOPS_H */
--- /dev/null
+/*
+ * (C) Copyright 2002-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __ASM_GBL_DATA_H
+#define __ASM_GBL_DATA_H
+
+#include <asm/regdef.h>
+
+/*
+ * The following data structure is placed in some memory wich is
+ * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
+ * some locked parts of the data cache) to allow for a minimum set of
+ * global variables during system initialization (until we have set
+ * up the memory controller so that we can use RAM).
+ *
+ * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t)
+ */
+
+typedef struct global_data {
+ bd_t *bd;
+ unsigned long flags;
+ unsigned long baudrate;
+ unsigned long have_console; /* serial_init() was called */
+ unsigned long ram_size; /* RAM size */
+ unsigned long reloc_off; /* Relocation Offset */
+ unsigned long env_addr; /* Address of Environment struct */
+ unsigned long env_valid; /* Checksum of Environment valid? */
+} gd_t;
+
+/*
+ * Global Data Flags
+ */
+#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
+#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
+
+#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("k0")
+
+#endif /* __ASM_GBL_DATA_H */
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 1995 Waldorf GmbH
+ * Copyright (C) 1994 - 2000 Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ * Copyright (C) 2000 FSMLabs, Inc.
+ */
+#ifndef _ASM_IO_H
+#define _ASM_IO_H
+
+#include <linux/config.h>
+#if 0
+#include <linux/pagemap.h>
+#endif
+#include <asm/addrspace.h>
+#include <asm/byteorder.h>
+
+/*
+ * Slowdown I/O port space accesses for antique hardware.
+ */
+#undef CONF_SLOWDOWN_IO
+
+/*
+ * Sane hardware offers swapping of I/O space accesses in hardware; less
+ * sane hardware forces software to fiddle with this ...
+ */
+#if defined(CONFIG_SWAP_IO_SPACE) && defined(__MIPSEB__)
+
+#define __ioswab8(x) (x)
+#define __ioswab16(x) swab16(x)
+#define __ioswab32(x) swab32(x)
+
+#else
+
+#define __ioswab8(x) (x)
+#define __ioswab16(x) (x)
+#define __ioswab32(x) (x)
+
+#endif
+
+/*
+ * This file contains the definitions for the MIPS counterpart of the
+ * x86 in/out instructions. This heap of macros and C results in much
+ * better code than the approach of doing it in plain C. The macros
+ * result in code that is to fast for certain hardware. On the other
+ * side the performance of the string functions should be improved for
+ * sake of certain devices like EIDE disks that do highspeed polled I/O.
+ *
+ * Ralf
+ *
+ * This file contains the definitions for the x86 IO instructions
+ * inb/inw/inl/outb/outw/outl and the "string versions" of the same
+ * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
+ * versions of the single-IO instructions (inb_p/inw_p/..).
+ *
+ * This file is not meant to be obfuscating: it's just complicated
+ * to (a) handle it all in a way that makes gcc able to optimize it
+ * as well as possible and (b) trying to avoid writing the same thing
+ * over and over again with slight variations and possibly making a
+ * mistake somewhere.
+ */
+
+/*
+ * On MIPS I/O ports are memory mapped, so we access them using normal
+ * load/store instructions. mips_io_port_base is the virtual address to
+ * which all ports are being mapped. For sake of efficiency some code
+ * assumes that this is an address that can be loaded with a single lui
+ * instruction, so the lower 16 bits must be zero. Should be true on
+ * on any sane architecture; generic code does not use this assumption.
+ */
+extern unsigned long mips_io_port_base;
+
+/*
+ * Thanks to James van Artsdalen for a better timing-fix than
+ * the two short jumps: using outb's to a nonexistent port seems
+ * to guarantee better timings even on fast machines.
+ *
+ * On the other hand, I'd like to be sure of a non-existent port:
+ * I feel a bit unsafe about using 0x80 (should be safe, though)
+ *
+ * Linus
+ *
+ */
+
+#define __SLOW_DOWN_IO \
+ __asm__ __volatile__( \
+ "sb\t$0,0x80(%0)" \
+ : : "r" (mips_io_port_base));
+
+#ifdef CONF_SLOWDOWN_IO
+#ifdef REALLY_SLOW_IO
+#define SLOW_DOWN_IO { __SLOW_DOWN_IO; __SLOW_DOWN_IO; __SLOW_DOWN_IO; __SLOW_DOWN_IO; }
+#else
+#define SLOW_DOWN_IO __SLOW_DOWN_IO
+#endif
+#else
+#define SLOW_DOWN_IO
+#endif
+
+/*
+ * Change virtual addresses to physical addresses and vv.
+ * These are trivial on the 1:1 Linux/MIPS mapping
+ */
+extern inline unsigned long virt_to_phys(volatile void * address)
+{
+ return PHYSADDR(address);
+}
+
+extern inline void * phys_to_virt(unsigned long address)
+{
+ return (void *)KSEG0ADDR(address);
+}
+
+/*
+ * IO bus memory addresses are also 1:1 with the physical address
+ */
+extern inline unsigned long virt_to_bus(volatile void * address)
+{
+ return PHYSADDR(address);
+}
+
+extern inline void * bus_to_virt(unsigned long address)
+{
+ return (void *)KSEG0ADDR(address);
+}
+
+/*
+ * isa_slot_offset is the address where E(ISA) busaddress 0 is mapped
+ * for the processor.
+ */
+extern unsigned long isa_slot_offset;
+
+extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
+
+#if 0
+extern inline void *ioremap(unsigned long offset, unsigned long size)
+{
+ return __ioremap(offset, size, _CACHE_UNCACHED);
+}
+
+extern inline void *ioremap_nocache(unsigned long offset, unsigned long size)
+{
+ return __ioremap(offset, size, _CACHE_UNCACHED);
+}
+
+extern void iounmap(void *addr);
+#endif
+
+/*
+ * XXX We need system specific versions of these to handle EISA address bits
+ * 24-31 on SNI.
+ * XXX more SNI hacks.
+ */
+#define readb(addr) (*(volatile unsigned char *)(addr))
+#define readw(addr) __ioswab16((*(volatile unsigned short *)(addr)))
+#define readl(addr) __ioswab32((*(volatile unsigned int *)(addr)))
+#define __raw_readb readb
+#define __raw_readw readw
+#define __raw_readl readl
+
+#define writeb(b,addr) (*(volatile unsigned char *)(addr)) = (b)
+#define writew(b,addr) (*(volatile unsigned short *)(addr)) = (__ioswab16(b))
+#define writel(b,addr) (*(volatile unsigned int *)(addr)) = (__ioswab32(b))
+#define __raw_writeb writeb
+#define __raw_writew writew
+#define __raw_writel writel
+
+#define memset_io(a,b,c) memset((void *)(a),(b),(c))
+#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
+#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
+
+/* END SNI HACKS ... */
+
+/*
+ * ISA space is 'always mapped' on currently supported MIPS systems, no need
+ * to explicitly ioremap() it. The fact that the ISA IO space is mapped
+ * to PAGE_OFFSET is pure coincidence - it does not mean ISA values
+ * are physical addresses. The following constant pointer can be
+ * used as the IO-area pointer (it can be iounmapped as well, so the
+ * analogy with PCI is quite large):
+ */
+#define __ISA_IO_base ((char *)(PAGE_OFFSET))
+
+#define isa_readb(a) readb(a)
+#define isa_readw(a) readw(a)
+#define isa_readl(a) readl(a)
+#define isa_writeb(b,a) writeb(b,a)
+#define isa_writew(w,a) writew(w,a)
+#define isa_writel(l,a) writel(l,a)
+
+#define isa_memset_io(a,b,c) memset_io((a),(b),(c))
+#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),(b),(c))
+#define isa_memcpy_toio(a,b,c) memcpy_toio((a),(b),(c))
+
+/*
+ * We don't have csum_partial_copy_fromio() yet, so we cheat here and
+ * just copy it. The net code will then do the checksum later.
+ */
+#define eth_io_copy_and_sum(skb,src,len,unused) memcpy_fromio((skb)->data,(src),(len))
+#define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(b),(c),(d))
+
+static inline int check_signature(unsigned long io_addr,
+ const unsigned char *signature, int length)
+{
+ int retval = 0;
+ do {
+ if (readb(io_addr) != *signature)
+ goto out;
+ io_addr++;
+ signature++;
+ length--;
+ } while (length);
+ retval = 1;
+out:
+ return retval;
+}
+#define isa_check_signature(io, s, l) check_signature(i,s,l)
+
+/*
+ * Talk about misusing macros..
+ */
+
+#define __OUT1(s) \
+extern inline void __out##s(unsigned int value, unsigned int port) {
+
+#define __OUT2(m) \
+__asm__ __volatile__ ("s" #m "\t%0,%1(%2)"
+
+#define __OUT(m,s,w) \
+__OUT1(s) __OUT2(m) : : "r" (__ioswab##w(value)), "i" (0), "r" (mips_io_port_base+port)); } \
+__OUT1(s##c) __OUT2(m) : : "r" (__ioswab##w(value)), "ir" (port), "r" (mips_io_port_base)); } \
+__OUT1(s##_p) __OUT2(m) : : "r" (__ioswab##w(value)), "i" (0), "r" (mips_io_port_base+port)); \
+ SLOW_DOWN_IO; } \
+__OUT1(s##c_p) __OUT2(m) : : "r" (__ioswab##w(value)), "ir" (port), "r" (mips_io_port_base)); \
+ SLOW_DOWN_IO; }
+
+#define __IN1(t,s) \
+extern __inline__ t __in##s(unsigned int port) { t _v;
+
+/*
+ * Required nops will be inserted by the assembler
+ */
+#define __IN2(m) \
+__asm__ __volatile__ ("l" #m "\t%0,%1(%2)"
+
+#define __IN(t,m,s,w) \
+__IN1(t,s) __IN2(m) : "=r" (_v) : "i" (0), "r" (mips_io_port_base+port)); return __ioswab##w(_v); } \
+__IN1(t,s##c) __IN2(m) : "=r" (_v) : "ir" (port), "r" (mips_io_port_base)); return __ioswab##w(_v); } \
+__IN1(t,s##_p) __IN2(m) : "=r" (_v) : "i" (0), "r" (mips_io_port_base+port)); SLOW_DOWN_IO; return __ioswab##w(_v); } \
+__IN1(t,s##c_p) __IN2(m) : "=r" (_v) : "ir" (port), "r" (mips_io_port_base)); SLOW_DOWN_IO; return __ioswab##w(_v); }
+
+#define __INS1(s) \
+extern inline void __ins##s(unsigned int port, void * addr, unsigned long count) {
+
+#define __INS2(m) \
+if (count) \
+__asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ ".set\tnoat\n" \
+ "1:\tl" #m "\t$1,%4(%5)\n\t" \
+ "subu\t%1,1\n\t" \
+ "s" #m "\t$1,(%0)\n\t" \
+ "bne\t$0,%1,1b\n\t" \
+ "addiu\t%0,%6\n\t" \
+ ".set\tat\n\t" \
+ ".set\treorder"
+
+#define __INS(m,s,i) \
+__INS1(s) __INS2(m) \
+ : "=r" (addr), "=r" (count) \
+ : "0" (addr), "1" (count), "i" (0), \
+ "r" (mips_io_port_base+port), "I" (i) \
+ : "$1");} \
+__INS1(s##c) __INS2(m) \
+ : "=r" (addr), "=r" (count) \
+ : "0" (addr), "1" (count), "ir" (port), \
+ "r" (mips_io_port_base), "I" (i) \
+ : "$1");}
+
+#define __OUTS1(s) \
+extern inline void __outs##s(unsigned int port, const void * addr, unsigned long count) {
+
+#define __OUTS2(m) \
+if (count) \
+__asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ ".set\tnoat\n" \
+ "1:\tl" #m "\t$1,(%0)\n\t" \
+ "subu\t%1,1\n\t" \
+ "s" #m "\t$1,%4(%5)\n\t" \
+ "bne\t$0,%1,1b\n\t" \
+ "addiu\t%0,%6\n\t" \
+ ".set\tat\n\t" \
+ ".set\treorder"
+
+#define __OUTS(m,s,i) \
+__OUTS1(s) __OUTS2(m) \
+ : "=r" (addr), "=r" (count) \
+ : "0" (addr), "1" (count), "i" (0), "r" (mips_io_port_base+port), "I" (i) \
+ : "$1");} \
+__OUTS1(s##c) __OUTS2(m) \
+ : "=r" (addr), "=r" (count) \
+ : "0" (addr), "1" (count), "ir" (port), "r" (mips_io_port_base), "I" (i) \
+ : "$1");}
+
+__IN(unsigned char,b,b,8)
+__IN(unsigned short,h,w,16)
+__IN(unsigned int,w,l,32)
+
+__OUT(b,b,8)
+__OUT(h,w,16)
+__OUT(w,l,32)
+
+__INS(b,b,1)
+__INS(h,w,2)
+__INS(w,l,4)
+
+__OUTS(b,b,1)
+__OUTS(h,w,2)
+__OUTS(w,l,4)
+
+
+/*
+ * Note that due to the way __builtin_constant_p() works, you
+ * - can't use it inside an inline function (it will never be true)
+ * - you don't have to worry about side effects within the __builtin..
+ */
+#define outb(val,port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __outbc((val),(port)) : \
+ __outb((val),(port)))
+
+#define inb(port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __inbc(port) : \
+ __inb(port))
+
+#define outb_p(val,port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __outbc_p((val),(port)) : \
+ __outb_p((val),(port)))
+
+#define inb_p(port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __inbc_p(port) : \
+ __inb_p(port))
+
+#define outw(val,port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __outwc((val),(port)) : \
+ __outw((val),(port)))
+
+#define inw(port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __inwc(port) : \
+ __inw(port))
+
+#define outw_p(val,port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __outwc_p((val),(port)) : \
+ __outw_p((val),(port)))
+
+#define inw_p(port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __inwc_p(port) : \
+ __inw_p(port))
+
+#define outl(val,port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __outlc((val),(port)) : \
+ __outl((val),(port)))
+
+#define inl(port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __inlc(port) : \
+ __inl(port))
+
+#define outl_p(val,port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __outlc_p((val),(port)) : \
+ __outl_p((val),(port)))
+
+#define inl_p(port) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __inlc_p(port) : \
+ __inl_p(port))
+
+
+#define outsb(port,addr,count) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __outsbc((port),(addr),(count)) : \
+ __outsb ((port),(addr),(count)))
+
+#define insb(port,addr,count) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __insbc((port),(addr),(count)) : \
+ __insb((port),(addr),(count)))
+
+#define outsw(port,addr,count) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __outswc((port),(addr),(count)) : \
+ __outsw ((port),(addr),(count)))
+
+#define insw(port,addr,count) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __inswc((port),(addr),(count)) : \
+ __insw((port),(addr),(count)))
+
+#define outsl(port,addr,count) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __outslc((port),(addr),(count)) : \
+ __outsl ((port),(addr),(count)))
+
+#define insl(port,addr,count) \
+((__builtin_constant_p((port)) && (port) < 32768) ? \
+ __inslc((port),(addr),(count)) : \
+ __insl((port),(addr),(count)))
+
+#define IO_SPACE_LIMIT 0xffff
+
+/*
+ * The caches on some architectures aren't dma-coherent and have need to
+ * handle this in software. There are three types of operations that
+ * can be applied to dma buffers.
+ *
+ * - dma_cache_wback_inv(start, size) makes caches and coherent by
+ * writing the content of the caches back to memory, if necessary.
+ * The function also invalidates the affected part of the caches as
+ * necessary before DMA transfers from outside to memory.
+ * - dma_cache_wback(start, size) makes caches and coherent by
+ * writing the content of the caches back to memory, if necessary.
+ * The function also invalidates the affected part of the caches as
+ * necessary before DMA transfers from outside to memory.
+ * - dma_cache_inv(start, size) invalidates the affected parts of the
+ * caches. Dirty lines of the caches may be written back or simply
+ * be discarded. This operation is necessary before dma operations
+ * to the memory.
+ */
+extern void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size);
+extern void (*_dma_cache_wback)(unsigned long start, unsigned long size);
+extern void (*_dma_cache_inv)(unsigned long start, unsigned long size);
+
+#define dma_cache_wback_inv(start,size) _dma_cache_wback_inv(start,size)
+#define dma_cache_wback(start,size) _dma_cache_wback(start,size)
+#define dma_cache_inv(start,size) _dma_cache_inv(start,size)
+
+#endif /* _ASM_IO_H */
--- /dev/null
+/*
+ * Various ISA level dependant constants.
+ * Most of the following constants reflect the different layout
+ * of Coprocessor 0 registers.
+ *
+ * Copyright (c) 1998 Harald Koerfgen
+ */
+#include <linux/config.h>
+
+#ifndef __ASM_ISADEP_H
+#define __ASM_ISADEP_H
+
+#if defined(CONFIG_CPU_R3000)
+/*
+ * R2000 or R3000
+ */
+
+/*
+ * kernel or user mode? (CP0_STATUS)
+ */
+#define KU_MASK 0x08
+#define KU_USER 0x08
+#define KU_KERN 0x00
+
+#else
+/*
+ * kernel or user mode?
+ */
+#define KU_MASK 0x18
+#define KU_USER 0x10
+#define KU_KERN 0x00
+
+#endif
+
+#endif /* __ASM_ISADEP_H */
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
+ * Copyright (C) 2000 Silicon Graphics, Inc.
+ * Modified for further R[236]000 support by Paul M. Antoine, 1996.
+ * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ */
+#ifndef _ASM_MIPSREGS_H
+#define _ASM_MIPSREGS_H
+
+#if 0
+#include <linux/linkage.h>
+#endif
+
+/*
+ * The following macros are especially useful for __asm__
+ * inline assembler.
+ */
+#ifndef __STR
+#define __STR(x) #x
+#endif
+#ifndef STR
+#define STR(x) __STR(x)
+#endif
+
+/*
+ * Coprocessor 0 register names
+ */
+#define CP0_INDEX $0
+#define CP0_RANDOM $1
+#define CP0_ENTRYLO0 $2
+#define CP0_ENTRYLO1 $3
+#define CP0_CONF $3
+#define CP0_CONTEXT $4
+#define CP0_PAGEMASK $5
+#define CP0_WIRED $6
+#define CP0_INFO $7
+#define CP0_BADVADDR $8
+#define CP0_COUNT $9
+#define CP0_ENTRYHI $10
+#define CP0_COMPARE $11
+#define CP0_STATUS $12
+#define CP0_CAUSE $13
+#define CP0_EPC $14
+#define CP0_PRID $15
+#define CP0_CONFIG $16
+#define CP0_LLADDR $17
+#define CP0_WATCHLO $18
+#define CP0_WATCHHI $19
+#define CP0_XCONTEXT $20
+#define CP0_FRAMEMASK $21
+#define CP0_DIAGNOSTIC $22
+#define CP0_PERFORMANCE $25
+#define CP0_ECC $26
+#define CP0_CACHEERR $27
+#define CP0_TAGLO $28
+#define CP0_TAGHI $29
+#define CP0_ERROREPC $30
+
+/*
+ * R4640/R4650 cp0 register names. These registers are listed
+ * here only for completeness; without MMU these CPUs are not useable
+ * by Linux. A future ELKS port might take make Linux run on them
+ * though ...
+ */
+#define CP0_IBASE $0
+#define CP0_IBOUND $1
+#define CP0_DBASE $2
+#define CP0_DBOUND $3
+#define CP0_CALG $17
+#define CP0_IWATCH $18
+#define CP0_DWATCH $19
+
+/*
+ * Coprocessor 0 Set 1 register names
+ */
+#define CP0_S1_DERRADDR0 $26
+#define CP0_S1_DERRADDR1 $27
+#define CP0_S1_INTCONTROL $20
+/*
+ * Coprocessor 1 (FPU) register names
+ */
+#define CP1_REVISION $0
+#define CP1_STATUS $31
+
+/*
+ * FPU Status Register Values
+ */
+/*
+ * Status Register Values
+ */
+
+#define FPU_CSR_FLUSH 0x01000000 /* flush denormalised results to 0 */
+#define FPU_CSR_COND 0x00800000 /* $fcc0 */
+#define FPU_CSR_COND0 0x00800000 /* $fcc0 */
+#define FPU_CSR_COND1 0x02000000 /* $fcc1 */
+#define FPU_CSR_COND2 0x04000000 /* $fcc2 */
+#define FPU_CSR_COND3 0x08000000 /* $fcc3 */
+#define FPU_CSR_COND4 0x10000000 /* $fcc4 */
+#define FPU_CSR_COND5 0x20000000 /* $fcc5 */
+#define FPU_CSR_COND6 0x40000000 /* $fcc6 */
+#define FPU_CSR_COND7 0x80000000 /* $fcc7 */
+
+/*
+ * X the exception cause indicator
+ * E the exception enable
+ * S the sticky/flag bit
+*/
+#define FPU_CSR_ALL_X 0x0003f000
+#define FPU_CSR_UNI_X 0x00020000
+#define FPU_CSR_INV_X 0x00010000
+#define FPU_CSR_DIV_X 0x00008000
+#define FPU_CSR_OVF_X 0x00004000
+#define FPU_CSR_UDF_X 0x00002000
+#define FPU_CSR_INE_X 0x00001000
+
+#define FPU_CSR_ALL_E 0x00000f80
+#define FPU_CSR_INV_E 0x00000800
+#define FPU_CSR_DIV_E 0x00000400
+#define FPU_CSR_OVF_E 0x00000200
+#define FPU_CSR_UDF_E 0x00000100
+#define FPU_CSR_INE_E 0x00000080
+
+#define FPU_CSR_ALL_S 0x0000007c
+#define FPU_CSR_INV_S 0x00000040
+#define FPU_CSR_DIV_S 0x00000020
+#define FPU_CSR_OVF_S 0x00000010
+#define FPU_CSR_UDF_S 0x00000008
+#define FPU_CSR_INE_S 0x00000004
+
+/* rounding mode */
+#define FPU_CSR_RN 0x0 /* nearest */
+#define FPU_CSR_RZ 0x1 /* towards zero */
+#define FPU_CSR_RU 0x2 /* towards +Infinity */
+#define FPU_CSR_RD 0x3 /* towards -Infinity */
+
+
+/*
+ * Values for PageMask register
+ */
+#include <linux/config.h>
+#ifdef CONFIG_CPU_VR41XX
+#define PM_1K 0x00000000
+#define PM_4K 0x00001800
+#define PM_16K 0x00007800
+#define PM_64K 0x0001f800
+#define PM_256K 0x0007f800
+#else
+#define PM_4K 0x00000000
+#define PM_16K 0x00006000
+#define PM_64K 0x0001e000
+#define PM_256K 0x0007e000
+#define PM_1M 0x001fe000
+#define PM_4M 0x007fe000
+#define PM_16M 0x01ffe000
+#endif
+
+/*
+ * Values used for computation of new tlb entries
+ */
+#define PL_4K 12
+#define PL_16K 14
+#define PL_64K 16
+#define PL_256K 18
+#define PL_1M 20
+#define PL_4M 22
+#define PL_16M 24
+
+/*
+ * Macros to access the system control coprocessor
+ */
+#define read_32bit_cp0_register(source) \
+({ int __res; \
+ __asm__ __volatile__( \
+ ".set\tpush\n\t" \
+ ".set\treorder\n\t" \
+ "mfc0\t%0,"STR(source)"\n\t" \
+ ".set\tpop" \
+ : "=r" (__res)); \
+ __res;})
+
+#define read_32bit_cp0_set1_register(source) \
+({ int __res; \
+ __asm__ __volatile__( \
+ ".set\tpush\n\t" \
+ ".set\treorder\n\t" \
+ "cfc0\t%0,"STR(source)"\n\t" \
+ ".set\tpop" \
+ : "=r" (__res)); \
+ __res;})
+
+/*
+ * For now use this only with interrupts disabled!
+ */
+#define read_64bit_cp0_register(source) \
+({ int __res; \
+ __asm__ __volatile__( \
+ ".set\tmips3\n\t" \
+ "dmfc0\t%0,"STR(source)"\n\t" \
+ ".set\tmips0" \
+ : "=r" (__res)); \
+ __res;})
+
+#define write_32bit_cp0_register(register,value) \
+ __asm__ __volatile__( \
+ "mtc0\t%0,"STR(register)"\n\t" \
+ "nop" \
+ : : "r" (value));
+
+#define write_32bit_cp0_set1_register(register,value) \
+ __asm__ __volatile__( \
+ "ctc0\t%0,"STR(register)"\n\t" \
+ "nop" \
+ : : "r" (value));
+
+#define write_64bit_cp0_register(register,value) \
+ __asm__ __volatile__( \
+ ".set\tmips3\n\t" \
+ "dmtc0\t%0,"STR(register)"\n\t" \
+ ".set\tmips0" \
+ : : "r" (value))
+
+/*
+ * This should be changed when we get a compiler that support the MIPS32 ISA.
+ */
+#define read_mips32_cp0_config1() \
+({ int __res; \
+ __asm__ __volatile__( \
+ ".set\tnoreorder\n\t" \
+ ".set\tnoat\n\t" \
+ ".word\t0x40018001\n\t" \
+ "move\t%0,$1\n\t" \
+ ".set\tat\n\t" \
+ ".set\treorder" \
+ :"=r" (__res)); \
+ __res;})
+
+/*
+ * R4x00 interrupt enable / cause bits
+ */
+#define IE_SW0 (1<< 8)
+#define IE_SW1 (1<< 9)
+#define IE_IRQ0 (1<<10)
+#define IE_IRQ1 (1<<11)
+#define IE_IRQ2 (1<<12)
+#define IE_IRQ3 (1<<13)
+#define IE_IRQ4 (1<<14)
+#define IE_IRQ5 (1<<15)
+
+/*
+ * R4x00 interrupt cause bits
+ */
+#define C_SW0 (1<< 8)
+#define C_SW1 (1<< 9)
+#define C_IRQ0 (1<<10)
+#define C_IRQ1 (1<<11)
+#define C_IRQ2 (1<<12)
+#define C_IRQ3 (1<<13)
+#define C_IRQ4 (1<<14)
+#define C_IRQ5 (1<<15)
+
+#ifndef _LANGUAGE_ASSEMBLY
+/*
+ * Manipulate the status register.
+ * Mostly used to access the interrupt bits.
+ */
+#define __BUILD_SET_CP0(name,register) \
+extern __inline__ unsigned int \
+set_cp0_##name(unsigned int set) \
+{ \
+ unsigned int res; \
+ \
+ res = read_32bit_cp0_register(register); \
+ res |= set; \
+ write_32bit_cp0_register(register, res); \
+ \
+ return res; \
+} \
+ \
+extern __inline__ unsigned int \
+clear_cp0_##name(unsigned int clear) \
+{ \
+ unsigned int res; \
+ \
+ res = read_32bit_cp0_register(register); \
+ res &= ~clear; \
+ write_32bit_cp0_register(register, res); \
+ \
+ return res; \
+} \
+ \
+extern __inline__ unsigned int \
+change_cp0_##name(unsigned int change, unsigned int new) \
+{ \
+ unsigned int res; \
+ \
+ res = read_32bit_cp0_register(register); \
+ res &= ~change; \
+ res |= (new & change); \
+ if(change) \
+ write_32bit_cp0_register(register, res); \
+ \
+ return res; \
+}
+
+__BUILD_SET_CP0(status,CP0_STATUS)
+__BUILD_SET_CP0(cause,CP0_CAUSE)
+__BUILD_SET_CP0(config,CP0_CONFIG)
+
+#endif /* defined (_LANGUAGE_ASSEMBLY) */
+
+/*
+ * Bitfields in the R4xx0 cp0 status register
+ */
+#define ST0_IE 0x00000001
+#define ST0_EXL 0x00000002
+#define ST0_ERL 0x00000004
+#define ST0_KSU 0x00000018
+# define KSU_USER 0x00000010
+# define KSU_SUPERVISOR 0x00000008
+# define KSU_KERNEL 0x00000000
+#define ST0_UX 0x00000020
+#define ST0_SX 0x00000040
+#define ST0_KX 0x00000080
+#define ST0_DE 0x00010000
+#define ST0_CE 0x00020000
+
+/*
+ * Bitfields in the R[23]000 cp0 status register.
+ */
+#define ST0_IEC 0x00000001
+#define ST0_KUC 0x00000002
+#define ST0_IEP 0x00000004
+#define ST0_KUP 0x00000008
+#define ST0_IEO 0x00000010
+#define ST0_KUO 0x00000020
+/* bits 6 & 7 are reserved on R[23]000 */
+#define ST0_ISC 0x00010000
+#define ST0_SWC 0x00020000
+#define ST0_CM 0x00080000
+
+/*
+ * Bits specific to the R4640/R4650
+ */
+#define ST0_UM (1 << 4)
+#define ST0_IL (1 << 23)
+#define ST0_DL (1 << 24)
+
+/*
+ * Bitfields in the TX39 family CP0 Configuration Register 3
+ */
+#define TX39_CONF_ICS_SHIFT 19
+#define TX39_CONF_ICS_MASK 0x00380000
+#define TX39_CONF_ICS_1KB 0x00000000
+#define TX39_CONF_ICS_2KB 0x00080000
+#define TX39_CONF_ICS_4KB 0x00100000
+#define TX39_CONF_ICS_8KB 0x00180000
+#define TX39_CONF_ICS_16KB 0x00200000
+
+#define TX39_CONF_DCS_SHIFT 16
+#define TX39_CONF_DCS_MASK 0x00070000
+#define TX39_CONF_DCS_1KB 0x00000000
+#define TX39_CONF_DCS_2KB 0x00010000
+#define TX39_CONF_DCS_4KB 0x00020000
+#define TX39_CONF_DCS_8KB 0x00030000
+#define TX39_CONF_DCS_16KB 0x00040000
+
+#define TX39_CONF_CWFON 0x00004000
+#define TX39_CONF_WBON 0x00002000
+#define TX39_CONF_RF_SHIFT 10
+#define TX39_CONF_RF_MASK 0x00000c00
+#define TX39_CONF_DOZE 0x00000200
+#define TX39_CONF_HALT 0x00000100
+#define TX39_CONF_LOCK 0x00000080
+#define TX39_CONF_ICE 0x00000020
+#define TX39_CONF_DCE 0x00000010
+#define TX39_CONF_IRSIZE_SHIFT 2
+#define TX39_CONF_IRSIZE_MASK 0x0000000c
+#define TX39_CONF_DRSIZE_SHIFT 0
+#define TX39_CONF_DRSIZE_MASK 0x00000003
+
+/*
+ * Status register bits available in all MIPS CPUs.
+ */
+#define ST0_IM 0x0000ff00
+#define STATUSB_IP0 8
+#define STATUSF_IP0 (1 << 8)
+#define STATUSB_IP1 9
+#define STATUSF_IP1 (1 << 9)
+#define STATUSB_IP2 10
+#define STATUSF_IP2 (1 << 10)
+#define STATUSB_IP3 11
+#define STATUSF_IP3 (1 << 11)
+#define STATUSB_IP4 12
+#define STATUSF_IP4 (1 << 12)
+#define STATUSB_IP5 13
+#define STATUSF_IP5 (1 << 13)
+#define STATUSB_IP6 14
+#define STATUSF_IP6 (1 << 14)
+#define STATUSB_IP7 15
+#define STATUSF_IP7 (1 << 15)
+#define STATUSB_IP8 0
+#define STATUSF_IP8 (1 << 0)
+#define STATUSB_IP9 1
+#define STATUSF_IP9 (1 << 1)
+#define STATUSB_IP10 2
+#define STATUSF_IP10 (1 << 2)
+#define STATUSB_IP11 3
+#define STATUSF_IP11 (1 << 3)
+#define STATUSB_IP12 4
+#define STATUSF_IP12 (1 << 4)
+#define STATUSB_IP13 5
+#define STATUSF_IP13 (1 << 5)
+#define STATUSB_IP14 6
+#define STATUSF_IP14 (1 << 6)
+#define STATUSB_IP15 7
+#define STATUSF_IP15 (1 << 7)
+#define ST0_CH 0x00040000
+#define ST0_SR 0x00100000
+#define ST0_BEV 0x00400000
+#define ST0_RE 0x02000000
+#define ST0_FR 0x04000000
+#define ST0_CU 0xf0000000
+#define ST0_CU0 0x10000000
+#define ST0_CU1 0x20000000
+#define ST0_CU2 0x40000000
+#define ST0_CU3 0x80000000
+#define ST0_XX 0x80000000 /* MIPS IV naming */
+
+/*
+ * Bitfields and bit numbers in the coprocessor 0 cause register.
+ *
+ * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
+ */
+#define CAUSEB_EXCCODE 2
+#define CAUSEF_EXCCODE (31 << 2)
+#define CAUSEB_IP 8
+#define CAUSEF_IP (255 << 8)
+#define CAUSEB_IP0 8
+#define CAUSEF_IP0 (1 << 8)
+#define CAUSEB_IP1 9
+#define CAUSEF_IP1 (1 << 9)
+#define CAUSEB_IP2 10
+#define CAUSEF_IP2 (1 << 10)
+#define CAUSEB_IP3 11
+#define CAUSEF_IP3 (1 << 11)
+#define CAUSEB_IP4 12
+#define CAUSEF_IP4 (1 << 12)
+#define CAUSEB_IP5 13
+#define CAUSEF_IP5 (1 << 13)
+#define CAUSEB_IP6 14
+#define CAUSEF_IP6 (1 << 14)
+#define CAUSEB_IP7 15
+#define CAUSEF_IP7 (1 << 15)
+#define CAUSEB_IV 23
+#define CAUSEF_IV (1 << 23)
+#define CAUSEB_CE 28
+#define CAUSEF_CE (3 << 28)
+#define CAUSEB_BD 31
+#define CAUSEF_BD (1 << 31)
+
+/*
+ * Bits in the coprozessor 0 config register.
+ */
+#define CONF_CM_CACHABLE_NO_WA 0
+#define CONF_CM_CACHABLE_WA 1
+#define CONF_CM_UNCACHED 2
+#define CONF_CM_CACHABLE_NONCOHERENT 3
+#define CONF_CM_CACHABLE_CE 4
+#define CONF_CM_CACHABLE_COW 5
+#define CONF_CM_CACHABLE_CUW 6
+#define CONF_CM_CACHABLE_ACCELERATED 7
+#define CONF_CM_CMASK 7
+#define CONF_DB (1 << 4)
+#define CONF_IB (1 << 5)
+#define CONF_SC (1 << 17)
+#define CONF_AC (1 << 23)
+#define CONF_HALT (1 << 25)
+
+/*
+ * R10000 performance counter definitions.
+ *
+ * FIXME: The R10000 performance counter opens a nice way to implement CPU
+ * time accounting with a precission of one cycle. I don't have
+ * R10000 silicon but just a manual, so ...
+ */
+
+/*
+ * Events counted by counter #0
+ */
+#define CE0_CYCLES 0
+#define CE0_INSN_ISSUED 1
+#define CE0_LPSC_ISSUED 2
+#define CE0_S_ISSUED 3
+#define CE0_SC_ISSUED 4
+#define CE0_SC_FAILED 5
+#define CE0_BRANCH_DECODED 6
+#define CE0_QW_WB_SECONDARY 7
+#define CE0_CORRECTED_ECC_ERRORS 8
+#define CE0_ICACHE_MISSES 9
+#define CE0_SCACHE_I_MISSES 10
+#define CE0_SCACHE_I_WAY_MISSPREDICTED 11
+#define CE0_EXT_INTERVENTIONS_REQ 12
+#define CE0_EXT_INVALIDATE_REQ 13
+#define CE0_VIRTUAL_COHERENCY_COND 14
+#define CE0_INSN_GRADUATED 15
+
+/*
+ * Events counted by counter #1
+ */
+#define CE1_CYCLES 0
+#define CE1_INSN_GRADUATED 1
+#define CE1_LPSC_GRADUATED 2
+#define CE1_S_GRADUATED 3
+#define CE1_SC_GRADUATED 4
+#define CE1_FP_INSN_GRADUATED 5
+#define CE1_QW_WB_PRIMARY 6
+#define CE1_TLB_REFILL 7
+#define CE1_BRANCH_MISSPREDICTED 8
+#define CE1_DCACHE_MISS 9
+#define CE1_SCACHE_D_MISSES 10
+#define CE1_SCACHE_D_WAY_MISSPREDICTED 11
+#define CE1_EXT_INTERVENTION_HITS 12
+#define CE1_EXT_INVALIDATE_REQ 13
+#define CE1_SP_HINT_TO_CEXCL_SC_BLOCKS 14
+#define CE1_SP_HINT_TO_SHARED_SC_BLOCKS 15
+
+/*
+ * These flags define in which priviledge mode the counters count events
+ */
+#define CEB_USER 8 /* Count events in user mode, EXL = ERL = 0 */
+#define CEB_SUPERVISOR 4 /* Count events in supvervisor mode EXL = ERL = 0 */
+#define CEB_KERNEL 2 /* Count events in kernel mode EXL = ERL = 0 */
+#define CEB_EXL 1 /* Count events with EXL = 1, ERL = 0 */
+
+#endif /* _ASM_MIPSREGS_H */
--- /dev/null
+/* $Id: posix_types.h,v 1.6 2000/02/04 23:32:54 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1997, 1998, 2000 by Ralf Baechle
+ */
+#ifndef _ASM_POSIX_TYPES_H
+#define _ASM_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc. Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned int __kernel_dev_t;
+typedef unsigned long __kernel_ino_t;
+typedef unsigned int __kernel_mode_t;
+typedef int __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef int __kernel_ipc_pid_t;
+typedef int __kernel_uid_t;
+typedef int __kernel_gid_t;
+typedef unsigned int __kernel_size_t;
+typedef int __kernel_ssize_t;
+typedef int __kernel_ptrdiff_t;
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef long __kernel_daddr_t;
+typedef char * __kernel_caddr_t;
+
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef int __kernel_uid32_t;
+typedef int __kernel_gid32_t;
+typedef __kernel_uid_t __kernel_old_uid_t;
+typedef __kernel_gid_t __kernel_old_gid_t;
+
+#ifdef __GNUC__
+typedef long long __kernel_loff_t;
+#endif
+
+typedef struct {
+ long val[2];
+} __kernel_fsid_t;
+
+#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
+
+#undef __FD_SET
+static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
+{
+ unsigned long __tmp = __fd / __NFDBITS;
+ unsigned long __rem = __fd % __NFDBITS;
+ __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
+}
+
+#undef __FD_CLR
+static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
+{
+ unsigned long __tmp = __fd / __NFDBITS;
+ unsigned long __rem = __fd % __NFDBITS;
+ __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
+}
+
+#undef __FD_ISSET
+static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
+{
+ unsigned long __tmp = __fd / __NFDBITS;
+ unsigned long __rem = __fd % __NFDBITS;
+ return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
+}
+
+/*
+ * This will unroll the loop for the normal constant case (8 ints,
+ * for a 256-bit fd_set)
+ */
+#undef __FD_ZERO
+static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
+{
+ unsigned long *__tmp = __p->fds_bits;
+ int __i;
+
+ if (__builtin_constant_p(__FDSET_LONGS)) {
+ switch (__FDSET_LONGS) {
+ case 16:
+ __tmp[ 0] = 0; __tmp[ 1] = 0;
+ __tmp[ 2] = 0; __tmp[ 3] = 0;
+ __tmp[ 4] = 0; __tmp[ 5] = 0;
+ __tmp[ 6] = 0; __tmp[ 7] = 0;
+ __tmp[ 8] = 0; __tmp[ 9] = 0;
+ __tmp[10] = 0; __tmp[11] = 0;
+ __tmp[12] = 0; __tmp[13] = 0;
+ __tmp[14] = 0; __tmp[15] = 0;
+ return;
+
+ case 8:
+ __tmp[ 0] = 0; __tmp[ 1] = 0;
+ __tmp[ 2] = 0; __tmp[ 3] = 0;
+ __tmp[ 4] = 0; __tmp[ 5] = 0;
+ __tmp[ 6] = 0; __tmp[ 7] = 0;
+ return;
+
+ case 4:
+ __tmp[ 0] = 0; __tmp[ 1] = 0;
+ __tmp[ 2] = 0; __tmp[ 3] = 0;
+ return;
+ }
+ }
+ __i = __FDSET_LONGS;
+ while (__i) {
+ __i--;
+ *__tmp = 0;
+ __tmp++;
+ }
+}
+
+#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
+
+#endif /* _ASM_POSIX_TYPES_H */
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994 Waldorf GMBH
+ * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001 Ralf Baechle
+ * Copyright (C) 1996 Paul M. Antoine
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_PROCESSOR_H
+#define _ASM_PROCESSOR_H
+
+#include <linux/config.h>
+
+#include <asm/isadep.h>
+
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+#define current_text_addr() ({ __label__ _l; _l: &&_l;})
+
+#if !defined (_LANGUAGE_ASSEMBLY)
+#if 0
+#include <linux/threads.h>
+#endif
+#include <asm/cachectl.h>
+#include <asm/mipsregs.h>
+#include <asm/reg.h>
+#include <asm/system.h>
+
+struct mips_cpuinfo {
+ unsigned long udelay_val;
+ unsigned long *pgd_quick;
+ unsigned long *pte_quick;
+ unsigned long pgtable_cache_sz;
+};
+
+/*
+ * System setup and hardware flags..
+ * XXX: Should go into mips_cpuinfo.
+ */
+extern void (*cpu_wait)(void); /* only available on R4[26]00 and R3081 */
+extern void r3081_wait(void);
+extern void r4k_wait(void);
+extern char cyclecounter_available; /* only available from R4000 upwards. */
+
+extern struct mips_cpuinfo boot_cpu_data;
+extern unsigned int vced_count, vcei_count;
+
+#ifdef CONFIG_SMP
+extern struct mips_cpuinfo cpu_data[];
+#define current_cpu_data cpu_data[smp_processor_id()]
+#else
+#define cpu_data &boot_cpu_data
+#define current_cpu_data boot_cpu_data
+#endif
+
+/*
+ * Bus types (default is ISA, but people can check others with these..)
+ * MCA_bus hardcoded to 0 for now.
+ *
+ * This needs to be extended since MIPS systems are being delivered with
+ * numerous different types of bus systems.
+ */
+extern int EISA_bus;
+#define MCA_bus 0
+#define MCA_bus__is_a_macro /* for versions in ksyms.c */
+
+/*
+ * MIPS has no problems with write protection
+ */
+#define wp_works_ok 1
+#define wp_works_ok__is_a_macro /* for versions in ksyms.c */
+
+/* Lazy FPU handling on uni-processor */
+extern struct task_struct *last_task_used_math;
+
+/*
+ * User space process size: 2GB. This is hardcoded into a few places,
+ * so don't change it unless you know what you are doing. TASK_SIZE
+ * for a 64 bit kernel expandable to 8192EB, of which the current MIPS
+ * implementations will "only" be able to use 1TB ...
+ */
+#define TASK_SIZE (0x7fff8000UL)
+
+/* This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.
+ */
+#define TASK_UNMAPPED_BASE (TASK_SIZE / 3)
+
+/*
+ * Size of io_bitmap in longwords: 32 is ports 0-0x3ff.
+ */
+#define IO_BITMAP_SIZE 32
+
+#define NUM_FPU_REGS 32
+
+struct mips_fpu_hard_struct {
+ double fp_regs[NUM_FPU_REGS];
+ unsigned int control;
+};
+
+/*
+ * It would be nice to add some more fields for emulator statistics, but there
+ * are a number of fixed offsets in offset.h and elsewhere that would have to
+ * be recalculated by hand. So the additional information will be private to
+ * the FPU emulator for now. See asm-mips/fpu_emulator.h.
+ */
+typedef u64 fpureg_t;
+struct mips_fpu_soft_struct {
+ fpureg_t regs[NUM_FPU_REGS];
+ unsigned int sr;
+};
+
+union mips_fpu_union {
+ struct mips_fpu_hard_struct hard;
+ struct mips_fpu_soft_struct soft;
+};
+
+#define INIT_FPU { \
+ {{0,},} \
+}
+
+typedef struct {
+ unsigned long seg;
+} mm_segment_t;
+
+/*
+ * If you change thread_struct remember to change the #defines below too!
+ */
+struct thread_struct {
+ /* Saved main processor registers. */
+ unsigned long reg16;
+ unsigned long reg17, reg18, reg19, reg20, reg21, reg22, reg23;
+ unsigned long reg29, reg30, reg31;
+
+ /* Saved cp0 stuff. */
+ unsigned long cp0_status;
+
+ /* Saved fpu/fpu emulator stuff. */
+ union mips_fpu_union fpu;
+
+ /* Other stuff associated with the thread. */
+ unsigned long cp0_badvaddr; /* Last user fault */
+ unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */
+ unsigned long error_code;
+ unsigned long trap_no;
+#define MF_FIXADE 1 /* Fix address errors in software */
+#define MF_LOGADE 2 /* Log address errors to syslog */
+ unsigned long mflags;
+ mm_segment_t current_ds;
+ unsigned long irix_trampoline; /* Wheee... */
+ unsigned long irix_oldctx;
+
+ /*
+ * These are really only needed if the full FPU emulator is configured.
+ * Would be made conditional on MIPS_FPU_EMULATOR if it weren't for the
+ * fact that having offset.h rebuilt differently for different config
+ * options would be asking for trouble.
+ *
+ * Saved EPC during delay-slot emulation (see math-emu/cp1emu.c)
+ */
+ unsigned long dsemul_epc;
+
+ /*
+ * Pointer to instruction used to induce address error
+ */
+ unsigned long dsemul_aerpc;
+};
+
+#endif /* !defined (_LANGUAGE_ASSEMBLY) */
+
+#define INIT_THREAD { \
+ /* \
+ * saved main processor registers \
+ */ \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, \
+ /* \
+ * saved cp0 stuff \
+ */ \
+ 0, \
+ /* \
+ * saved fpu/fpu emulator stuff \
+ */ \
+ INIT_FPU, \
+ /* \
+ * Other stuff associated with the process \
+ */ \
+ 0, 0, 0, 0, \
+ /* \
+ * For now the default is to fix address errors \
+ */ \
+ MF_FIXADE, { 0 }, 0, 0, \
+ /* \
+ * dsemul_epc and dsemul_aerpc should never be used uninitialized, \
+ * but... \
+ */ \
+ 0 ,0 \
+}
+
+#ifdef __KERNEL__
+
+#define KERNEL_STACK_SIZE 8192
+
+#if !defined (_LANGUAGE_ASSEMBLY)
+
+/* Free all resources held by a thread. */
+#define release_thread(thread) do { } while(0)
+
+extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
+
+/* Copy and release all segment info associated with a VM */
+#define copy_segments(p, mm) do { } while(0)
+#define release_segments(mm) do { } while(0)
+
+/*
+ * Return saved PC of a blocked thread.
+ */
+extern inline unsigned long thread_saved_pc(struct thread_struct *t)
+{
+ extern void ret_from_fork(void);
+
+ /* New born processes are a special case */
+ if (t->reg31 == (unsigned long) ret_from_fork)
+ return t->reg31;
+
+ return ((unsigned long *)t->reg29)[10];
+}
+
+/*
+ * Do necessary setup to start up a newly executed thread.
+ */
+#define start_thread(regs, new_pc, new_sp) do { \
+ /* New thread looses kernel privileges. */ \
+ regs->cp0_status = (regs->cp0_status & ~(ST0_CU0|ST0_KSU)) | KU_USER;\
+ regs->cp0_epc = new_pc; \
+ regs->regs[29] = new_sp; \
+ current->thread.current_ds = USER_DS; \
+} while (0)
+
+unsigned long get_wchan(struct task_struct *p);
+
+#define __PT_REG(reg) ((long)&((struct pt_regs *)0)->reg - sizeof(struct pt_regs))
+#define __KSTK_TOS(tsk) ((unsigned long)(tsk) + KERNEL_STACK_SIZE - 32)
+#define KSTK_EIP(tsk) (*(unsigned long *)(__KSTK_TOS(tsk) + __PT_REG(cp0_epc)))
+#define KSTK_ESP(tsk) (*(unsigned long *)(__KSTK_TOS(tsk) + __PT_REG(regs[29])))
+
+/* Allocation and freeing of basic task resources. */
+/*
+ * NOTE! The task struct and the stack go together
+ */
+#define THREAD_SIZE (2*PAGE_SIZE)
+#define alloc_task_struct() \
+ ((struct task_struct *) __get_free_pages(GFP_KERNEL,1))
+#define free_task_struct(p) free_pages((unsigned long)(p),1)
+#define get_task_struct(tsk) atomic_inc(&virt_to_page(tsk)->count)
+
+#define init_task (init_task_union.task)
+#define init_stack (init_task_union.stack)
+
+#define cpu_relax() do { } while (0)
+
+#endif /* !defined (_LANGUAGE_ASSEMBLY) */
+#endif /* __KERNEL__ */
+
+/*
+ * Return_address is a replacement for __builtin_return_address(count)
+ * which on certain architectures cannot reasonably be implemented in GCC
+ * (MIPS, Alpha) or is unuseable with -fomit-frame-pointer (i386).
+ * Note that __builtin_return_address(x>=1) is forbidden because GCC
+ * aborts compilation on some CPUs. It's simply not possible to unwind
+ * some CPU's stackframes.
+ *
+ * __builtin_return_address works only for non-leaf functions. We avoid the
+ * overhead of a function call by forcing the compiler to save the return
+ * address register on the stack.
+ */
+#define return_address() ({__asm__ __volatile__("":::"$31");__builtin_return_address(0);})
+
+#endif /* _ASM_PROCESSOR_H */
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000 by Ralf Baechle
+ *
+ * Machine dependent structs and defines to help the user use
+ * the ptrace system call.
+ */
+#ifndef _ASM_PTRACE_H
+#define _ASM_PTRACE_H
+
+#include <asm/isadep.h>
+#include <linux/types.h>
+
+/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
+#define FPR_BASE 32
+#define PC 64
+#define CAUSE 65
+#define BADVADDR 66
+#define MMHI 67
+#define MMLO 68
+#define FPC_CSR 69
+#define FPC_EIR 70
+
+#ifndef _LANGUAGE_ASSEMBLY
+/*
+ * This struct defines the way the registers are stored on the stack during a
+ * system call/exception. As usual the registers k0/k1 aren't being saved.
+ */
+struct pt_regs {
+ /* Pad bytes for argument save space on the stack. */
+ unsigned long pad0[6];
+
+ /* Saved main processor registers. */
+ unsigned long regs[32];
+
+ /* Other saved registers. */
+ unsigned long lo;
+ unsigned long hi;
+
+ /*
+ * saved cp0 registers
+ */
+ unsigned long cp0_epc;
+ unsigned long cp0_badvaddr;
+ unsigned long cp0_status;
+ unsigned long cp0_cause;
+};
+
+#endif /* !(_LANGUAGE_ASSEMBLY) */
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+/* #define PTRACE_GETREGS 12 */
+/* #define PTRACE_SETREGS 13 */
+/* #define PTRACE_GETFPREGS 14 */
+/* #define PTRACE_SETFPREGS 15 */
+/* #define PTRACE_GETFPXREGS 18 */
+/* #define PTRACE_SETFPXREGS 19 */
+
+#define PTRACE_SETOPTIONS 21
+
+/* options set using PTRACE_SETOPTIONS */
+#define PTRACE_O_TRACESYSGOOD 0x00000001
+
+#if 0 /* def _LANGUAGE_ASSEMBLY */
+#include <asm/offset.h>
+#endif
+
+#ifdef __KERNEL__
+
+#ifndef _LANGUAGE_ASSEMBLY
+/*
+ * Does the process account for user or for system time?
+ */
+#define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
+
+#define instruction_pointer(regs) ((regs)->cp0_epc)
+
+extern void show_regs(struct pt_regs *);
+#endif /* !(_LANGUAGE_ASSEMBLY) */
+
+#endif
+
+#endif /* _ASM_PTRACE_H */
--- /dev/null
+/*
+ * Various register offset definitions for debuggers, core file
+ * examiners and whatnot.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1995, 1999 by Ralf Baechle
+ */
+#ifndef __ASM_MIPS_REG_H
+#define __ASM_MIPS_REG_H
+
+/*
+ * This defines/structures correspond to the register layout on stack -
+ * if the order here is changed, it needs to be updated in
+ * include/asm-mips/stackframe.h
+ */
+#define EF_REG0 6
+#define EF_REG1 7
+#define EF_REG2 8
+#define EF_REG3 9
+#define EF_REG4 10
+#define EF_REG5 11
+#define EF_REG6 12
+#define EF_REG7 13
+#define EF_REG8 14
+#define EF_REG9 15
+#define EF_REG10 16
+#define EF_REG11 17
+#define EF_REG12 18
+#define EF_REG13 19
+#define EF_REG14 20
+#define EF_REG15 21
+#define EF_REG16 22
+#define EF_REG17 23
+#define EF_REG18 24
+#define EF_REG19 25
+#define EF_REG20 26
+#define EF_REG21 27
+#define EF_REG22 28
+#define EF_REG23 29
+#define EF_REG24 30
+#define EF_REG25 31
+/*
+ * k0/k1 unsaved
+ */
+#define EF_REG28 34
+#define EF_REG29 35
+#define EF_REG30 36
+#define EF_REG31 37
+
+/*
+ * Saved special registers
+ */
+#define EF_LO 38
+#define EF_HI 39
+
+#define EF_CP0_EPC 40
+#define EF_CP0_BADVADDR 41
+#define EF_CP0_STATUS 42
+#define EF_CP0_CAUSE 44
+
+#define EF_SIZE 180 /* size in bytes */
+
+#endif /* __ASM_MIPS_REG_H */
--- /dev/null
+/*
+ * include/asm-mips/regdefs.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 1995 by Ralf Baechle
+ */
+
+#ifndef __ASM_MIPS_REGDEF_H
+#define __ASM_MIPS_REGDEF_H
+
+/*
+ * Symbolic register names for 32 bit ABI
+ */
+#define zero $0 /* wired zero */
+#define AT $1 /* assembler temp - uppercase because of ".set at" */
+#define v0 $2 /* return value */
+#define v1 $3
+#define a0 $4 /* argument registers */
+#define a1 $5
+#define a2 $6
+#define a3 $7
+#define t0 $8 /* caller saved */
+#define t1 $9
+#define t2 $10
+#define t3 $11
+#define t4 $12
+#define t5 $13
+#define t6 $14
+#define t7 $15
+#define s0 $16 /* callee saved */
+#define s1 $17
+#define s2 $18
+#define s3 $19
+#define s4 $20
+#define s5 $21
+#define s6 $22
+#define s7 $23
+#define t8 $24 /* caller saved */
+#define t9 $25
+#define jp $25 /* PIC jump register */
+#define k0 $26 /* kernel scratch */
+#define k1 $27
+#define gp $28 /* global pointer */
+#define sp $29 /* stack pointer */
+#define fp $30 /* frame pointer */
+#define s8 $30 /* same like fp! */
+#define ra $31 /* return address */
+
+#endif /* __ASM_MIPS_REGDEF_H */
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1999, 2001 Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ * Copyright (C) 2001 MIPS Technologies, Inc.
+ */
+#ifndef __ASM_SGIDEFS_H
+#define __ASM_SGIDEFS_H
+
+/*
+ * Using a Linux compiler for building Linux seems logic but not to
+ * everybody.
+ */
+#if 0 /* ndef __linux__ */
+#error Use a Linux compiler or give up.
+#endif
+
+/*
+ * Definitions for the ISA levels
+ *
+ * With the introduction of MIPS32 / MIPS64 instruction sets definitions
+ * MIPS ISAs are no longer subsets of each other. Therefore comparisons
+ * on these symbols except with == may result in unexpected results and
+ * are forbidden!
+ */
+#define _MIPS_ISA_MIPS1 1
+#define _MIPS_ISA_MIPS2 2
+#define _MIPS_ISA_MIPS3 3
+#define _MIPS_ISA_MIPS4 4
+#define _MIPS_ISA_MIPS5 5
+#define _MIPS_ISA_MIPS32 6
+#define _MIPS_ISA_MIPS64 7
+
+/*
+ * Subprogram calling convention
+ */
+#define _MIPS_SIM_ABI32 1
+#define _MIPS_SIM_NABI32 2
+#define _MIPS_SIM_ABI64 3
+
+#endif /* __ASM_SGIDEFS_H */
--- /dev/null
+/* $Id: string.h,v 1.13 2000/02/19 14:12:14 harald Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1994, 1995, 1996, 1997, 1998 by Ralf Baechle
+ */
+#ifndef __ASM_MIPS_STRING_H
+#define __ASM_MIPS_STRING_H
+
+#include <linux/config.h>
+
+#define __HAVE_ARCH_STRCPY
+extern __inline__ char *strcpy(char *__dest, __const__ char *__src)
+{
+ char *__xdest = __dest;
+
+ __asm__ __volatile__(
+ ".set\tnoreorder\n\t"
+ ".set\tnoat\n"
+ "1:\tlbu\t$1,(%1)\n\t"
+ "addiu\t%1,1\n\t"
+ "sb\t$1,(%0)\n\t"
+ "bnez\t$1,1b\n\t"
+ "addiu\t%0,1\n\t"
+ ".set\tat\n\t"
+ ".set\treorder"
+ : "=r" (__dest), "=r" (__src)
+ : "0" (__dest), "1" (__src)
+ : "$1","memory");
+
+ return __xdest;
+}
+
+#define __HAVE_ARCH_STRNCPY
+extern __inline__ char *strncpy(char *__dest, __const__ char *__src, size_t __n)
+{
+ char *__xdest = __dest;
+
+ if (__n == 0)
+ return __xdest;
+
+ __asm__ __volatile__(
+ ".set\tnoreorder\n\t"
+ ".set\tnoat\n"
+ "1:\tlbu\t$1,(%1)\n\t"
+ "subu\t%2,1\n\t"
+ "sb\t$1,(%0)\n\t"
+ "beqz\t$1,2f\n\t"
+ "addiu\t%0,1\n\t"
+ "bnez\t%2,1b\n\t"
+ "addiu\t%1,1\n"
+ "2:\n\t"
+ ".set\tat\n\t"
+ ".set\treorder"
+ : "=r" (__dest), "=r" (__src), "=r" (__n)
+ : "0" (__dest), "1" (__src), "2" (__n)
+ : "$1","memory");
+
+ return __dest;
+}
+
+#define __HAVE_ARCH_STRCMP
+extern __inline__ int strcmp(__const__ char *__cs, __const__ char *__ct)
+{
+ int __res;
+
+ __asm__ __volatile__(
+ ".set\tnoreorder\n\t"
+ ".set\tnoat\n\t"
+ "lbu\t%2,(%0)\n"
+ "1:\tlbu\t$1,(%1)\n\t"
+ "addiu\t%0,1\n\t"
+ "bne\t$1,%2,2f\n\t"
+ "addiu\t%1,1\n\t"
+ "bnez\t%2,1b\n\t"
+ "lbu\t%2,(%0)\n\t"
+#if defined(CONFIG_CPU_R3000)
+ "nop\n\t"
+#endif
+ "move\t%2,$1\n"
+ "2:\tsubu\t%2,$1\n"
+ "3:\t.set\tat\n\t"
+ ".set\treorder"
+ : "=r" (__cs), "=r" (__ct), "=r" (__res)
+ : "0" (__cs), "1" (__ct)
+ : "$1");
+
+ return __res;
+}
+
+#define __HAVE_ARCH_STRNCMP
+extern __inline__ int
+strncmp(__const__ char *__cs, __const__ char *__ct, size_t __count)
+{
+ int __res;
+
+ __asm__ __volatile__(
+ ".set\tnoreorder\n\t"
+ ".set\tnoat\n"
+ "1:\tlbu\t%3,(%0)\n\t"
+ "beqz\t%2,2f\n\t"
+ "lbu\t$1,(%1)\n\t"
+ "subu\t%2,1\n\t"
+ "bne\t$1,%3,3f\n\t"
+ "addiu\t%0,1\n\t"
+ "bnez\t%3,1b\n\t"
+ "addiu\t%1,1\n"
+ "2:\n\t"
+#if defined(CONFIG_CPU_R3000)
+ "nop\n\t"
+#endif
+ "move\t%3,$1\n"
+ "3:\tsubu\t%3,$1\n\t"
+ ".set\tat\n\t"
+ ".set\treorder"
+ : "=r" (__cs), "=r" (__ct), "=r" (__count), "=r" (__res)
+ : "0" (__cs), "1" (__ct), "2" (__count)
+ : "$1");
+
+ return __res;
+}
+
+#undef __HAVE_ARCH_MEMSET
+extern void *memset(void *__s, int __c, size_t __count);
+
+#undef __HAVE_ARCH_MEMCPY
+extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
+
+#undef __HAVE_ARCH_MEMMOVE
+extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
+
+/* Don't build bcopy at all ... */
+#define __HAVE_ARCH_BCOPY
+
+#define __HAVE_ARCH_MEMSCAN
+extern __inline__ void *memscan(void *__addr, int __c, size_t __size)
+{
+ char *__end = (char *)__addr + __size;
+
+ __asm__(".set\tpush\n\t"
+ ".set\tnoat\n\t"
+ ".set\treorder\n\t"
+ "1:\tbeq\t%0,%1,2f\n\t"
+ "addiu\t%0,1\n\t"
+ "lb\t$1,-1(%0)\n\t"
+ "bne\t$1,%4,1b\n"
+ "2:\t.set\tpop"
+ : "=r" (__addr), "=r" (__end)
+ : "0" (__addr), "1" (__end), "r" (__c)
+ : "$1");
+
+ return __addr;
+}
+
+#endif /* __ASM_MIPS_STRING_H */
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994 - 1999 by Ralf Baechle
+ * Copyright (C) 1996 by Paul M. Antoine
+ * Copyright (C) 1994 - 1999 by Ralf Baechle
+ *
+ * Changed set_except_vector declaration to allow return of previous
+ * vector address value - necessary for "borrowing" vectors.
+ *
+ * Kevin D. Kissell, kevink@mips.org and Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc.
+ */
+#ifndef _ASM_SYSTEM_H
+#define _ASM_SYSTEM_H
+
+#include <linux/config.h>
+#include <asm/sgidefs.h>
+#include <asm/ptrace.h>
+#if 0
+#include <linux/kernel.h>
+#endif
+
+extern __inline__ void
+__sti(void)
+{
+ __asm__ __volatile__(
+ ".set\tpush\n\t"
+ ".set\treorder\n\t"
+ ".set\tnoat\n\t"
+ "mfc0\t$1,$12\n\t"
+ "ori\t$1,0x1f\n\t"
+ "xori\t$1,0x1e\n\t"
+ "mtc0\t$1,$12\n\t"
+ ".set\tpop\n\t"
+ : /* no outputs */
+ : /* no inputs */
+ : "$1", "memory");
+}
+
+/*
+ * For cli() we have to insert nops to make shure that the new value
+ * has actually arrived in the status register before the end of this
+ * macro.
+ * R4000/R4400 need three nops, the R4600 two nops and the R10000 needs
+ * no nops at all.
+ */
+extern __inline__ void
+__cli(void)
+{
+ __asm__ __volatile__(
+ ".set\tpush\n\t"
+ ".set\treorder\n\t"
+ ".set\tnoat\n\t"
+ "mfc0\t$1,$12\n\t"
+ "ori\t$1,1\n\t"
+ "xori\t$1,1\n\t"
+ ".set\tnoreorder\n\t"
+ "mtc0\t$1,$12\n\t"
+ "nop\n\t"
+ "nop\n\t"
+ "nop\n\t"
+ ".set\tpop\n\t"
+ : /* no outputs */
+ : /* no inputs */
+ : "$1", "memory");
+}
+
+#define __save_flags(x) \
+__asm__ __volatile__( \
+ ".set\tpush\n\t" \
+ ".set\treorder\n\t" \
+ "mfc0\t%0,$12\n\t" \
+ ".set\tpop\n\t" \
+ : "=r" (x))
+
+#define __save_and_cli(x) \
+__asm__ __volatile__( \
+ ".set\tpush\n\t" \
+ ".set\treorder\n\t" \
+ ".set\tnoat\n\t" \
+ "mfc0\t%0,$12\n\t" \
+ "ori\t$1,%0,1\n\t" \
+ "xori\t$1,1\n\t" \
+ ".set\tnoreorder\n\t" \
+ "mtc0\t$1,$12\n\t" \
+ "nop\n\t" \
+ "nop\n\t" \
+ "nop\n\t" \
+ ".set\tpop\n\t" \
+ : "=r" (x) \
+ : /* no inputs */ \
+ : "$1", "memory")
+
+#define __restore_flags(flags) \
+do { \
+ unsigned long __tmp1; \
+ \
+ __asm__ __volatile__( \
+ ".set\tnoreorder\t\t\t# __restore_flags\n\t" \
+ ".set\tnoat\n\t" \
+ "mfc0\t$1, $12\n\t" \
+ "andi\t%0, 1\n\t" \
+ "ori\t$1, 1\n\t" \
+ "xori\t$1, 1\n\t" \
+ "or\t%0, $1\n\t" \
+ "mtc0\t%0, $12\n\t" \
+ "nop\n\t" \
+ "nop\n\t" \
+ "nop\n\t" \
+ ".set\tat\n\t" \
+ ".set\treorder" \
+ : "=r" (__tmp1) \
+ : "0" (flags) \
+ : "$1", "memory"); \
+} while(0)
+
+#ifdef CONFIG_SMP
+
+extern void __global_sti(void);
+extern void __global_cli(void);
+extern unsigned long __global_save_flags(void);
+extern void __global_restore_flags(unsigned long);
+# define sti() __global_sti()
+# define cli() __global_cli()
+# define save_flags(x) do { x = __global_save_flags(); } while (0)
+# define restore_flags(x) __global_restore_flags(x)
+# define save_and_cli(x) do { save_flags(x); cli(); } while(0)
+
+#else /* Single processor */
+
+# define sti() __sti()
+# define cli() __cli()
+# define save_flags(x) __save_flags(x)
+# define save_and_cli(x) __save_and_cli(x)
+# define restore_flags(x) __restore_flags(x)
+
+#endif /* SMP */
+
+/* For spinlocks etc */
+#define local_irq_save(x) __save_and_cli(x);
+#define local_irq_restore(x) __restore_flags(x);
+#define local_irq_disable() __cli();
+#define local_irq_enable() __sti();
+
+/*
+ * These are probably defined overly paranoid ...
+ */
+#ifdef CONFIG_CPU_HAS_WB
+
+#include <asm/wbflush.h>
+#define rmb() do { } while(0)
+#define wmb() wbflush()
+#define mb() wbflush()
+
+#else /* CONFIG_CPU_HAS_WB */
+
+#define mb() \
+__asm__ __volatile__( \
+ "# prevent instructions being moved around\n\t" \
+ ".set\tnoreorder\n\t" \
+ "# 8 nops to fool the R4400 pipeline\n\t" \
+ "nop;nop;nop;nop;nop;nop;nop;nop\n\t" \
+ ".set\treorder" \
+ : /* no output */ \
+ : /* no input */ \
+ : "memory")
+#define rmb() mb()
+#define wmb() mb()
+
+#endif /* CONFIG_CPU_HAS_WB */
+
+#ifdef CONFIG_SMP
+#define smp_mb() mb()
+#define smp_rmb() rmb()
+#define smp_wmb() wmb()
+#else
+#define smp_mb() barrier()
+#define smp_rmb() barrier()
+#define smp_wmb() barrier()
+#endif
+
+#define set_mb(var, value) \
+do { var = value; mb(); } while (0)
+
+#define set_wmb(var, value) \
+do { var = value; wmb(); } while (0)
+
+#if !defined (_LANGUAGE_ASSEMBLY)
+/*
+ * switch_to(n) should switch tasks to task nr n, first
+ * checking that n isn't the current task, in which case it does nothing.
+ */
+#if 0
+extern asmlinkage void *resume(void *last, void *next);
+#endif
+#endif /* !defined (_LANGUAGE_ASSEMBLY) */
+
+#define prepare_to_switch() do { } while(0)
+#define switch_to(prev,next,last) \
+do { \
+ (last) = resume(prev, next); \
+} while(0)
+
+/*
+ * For 32 and 64 bit operands we can take advantage of ll and sc.
+ * FIXME: This doesn't work for R3000 machines.
+ */
+extern __inline__ unsigned long xchg_u32(volatile int * m, unsigned long val)
+{
+#ifdef CONFIG_CPU_HAS_LLSC
+ unsigned long dummy;
+
+ __asm__ __volatile__(
+ ".set\tnoreorder\t\t\t# xchg_u32\n\t"
+ ".set\tnoat\n\t"
+ "ll\t%0, %3\n"
+ "1:\tmove\t$1, %2\n\t"
+ "sc\t$1, %1\n\t"
+ "beqzl\t$1, 1b\n\t"
+ " ll\t%0, %3\n\t"
+ ".set\tat\n\t"
+ ".set\treorder"
+ : "=r" (val), "=o" (*m), "=r" (dummy)
+ : "o" (*m), "2" (val)
+ : "memory");
+
+ return val;
+#else
+ unsigned long flags, retval;
+
+ save_flags(flags);
+ cli();
+ retval = *m;
+ *m = val;
+ restore_flags(flags);
+ return retval;
+#endif /* Processor-dependent optimization */
+}
+
+#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
+#define tas(ptr) (xchg((ptr),1))
+
+static __inline__ unsigned long
+__xchg(unsigned long x, volatile void * ptr, int size)
+{
+ switch (size) {
+ case 4:
+ return xchg_u32(ptr, x);
+ }
+ return x;
+}
+
+extern void *set_except_vector(int n, void *addr);
+
+extern void __die(const char *, struct pt_regs *, const char *where,
+ unsigned long line) __attribute__((noreturn));
+extern void __die_if_kernel(const char *, struct pt_regs *, const char *where,
+ unsigned long line);
+
+#define die(msg, regs) \
+ __die(msg, regs, __FILE__ ":"__FUNCTION__, __LINE__)
+#define die_if_kernel(msg, regs) \
+ __die_if_kernel(msg, regs, __FILE__ ":"__FUNCTION__, __LINE__)
+
+#endif /* _ASM_SYSTEM_H */
--- /dev/null
+/* $Id: types.h,v 1.3 1999/08/18 23:37:50 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 1995, 1996, 1999 by Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_TYPES_H
+#define _ASM_TYPES_H
+
+typedef unsigned short umode_t;
+
+/*
+ * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
+ * header files exported to user space
+ */
+
+typedef __signed__ char __s8;
+typedef unsigned char __u8;
+
+typedef __signed__ short __s16;
+typedef unsigned short __u16;
+
+typedef __signed__ int __s32;
+typedef unsigned int __u32;
+
+#if (_MIPS_SZLONG == 64)
+
+typedef __signed__ long __s64;
+typedef unsigned long __u64;
+
+#else
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+typedef __signed__ long long __s64;
+typedef unsigned long long __u64;
+#endif
+
+#endif
+
+/*
+ * These aren't exported outside the kernel to avoid name space clashes
+ */
+#ifdef __KERNEL__
+
+typedef __signed char s8;
+typedef unsigned char u8;
+
+typedef __signed short s16;
+typedef unsigned short u16;
+
+typedef __signed int s32;
+typedef unsigned int u32;
+
+#if (_MIPS_SZLONG == 64)
+
+typedef __signed__ long s64;
+typedef unsigned long u64;
+
+#else
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+typedef __signed__ long long s64;
+typedef unsigned long long u64;
+#endif
+
+#endif
+
+#define BITS_PER_LONG _MIPS_SZLONG
+
+typedef unsigned long dma_addr_t;
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_TYPES_H */
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _U_BOOT_H_
+#define _U_BOOT_H_ 1
+
+typedef struct bd_info {
+ int bi_baudrate; /* serial console baudrate */
+ unsigned long bi_ip_addr; /* IP Address */
+ unsigned char bi_enetaddr[6]; /* Ethernet adress */
+ struct environment_s *bi_env;
+ ulong bi_arch_number; /* unique id for this board */
+ ulong bi_boot_params; /* where this board expects params */
+ struct /* RAM configuration */
+ {
+ ulong start;
+ ulong size;
+ } bi_dram[CONFIG_NR_DRAM_BANKS];
+} bd_t;
+
+#define bi_env_data bi_env->data
+#define bi_env_crc bi_env->crc
+
+#endif /* _U_BOOT_H_ */
# include <asm/u-boot-arm.h> /* ARM version to be fixed! */
#endif /* CONFIG_ARM */
#ifdef CONFIG_I386 /* x86 version to be fixed! */
-# include <asm/ppcboot-i386.h>
+# include <asm/ppcboot-i386.h>
#endif /* CONFIG_I386 */
void pci_init (void);
#define PHYS_SDRAM_1 0x0c000000 /* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
-#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
-#define PHYS_FLASH_SIZE 0x00800000 /* 8 MB */
-
-#define CFG_FLASH_BASE PHYS_FLASH_1
+#define CFG_FLASH_BASE 0x00000000 /* Flash Bank #1 */
/*-----------------------------------------------------------------------
* FLASH and environment organization
#define CFG_ENV_IS_IN_FLASH 1
/* Address and size of Primary Environment Sector */
-#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x40000)
+#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x40000)
#define CFG_ENV_SIZE 0x40000
/* Address and size of Redundant Environment Sector */
#define CONFIG_BOOTDELAY 5
#define CONFIG_PREBOOT "echo;echo *** booting ***;echo"
#define CONFIG_BOOTARGS "console=ttyS0"
-#define CONFIG_ETHADDR 00:D0:93:00:61:11
-#define CONFIG_NETMASK 255.255.255.0
-#define CONFIG_IPADDR 192.168.3.27
+#define CONFIG_NETMASK 255.255.0.0
+#define CONFIG_IPADDR 192.168.3.68
#define CONFIG_SERVERIP 192.168.3.1
#define CONFIG_BOOTCOMMAND "run flash_nfs"
#define CONFIG_EXTRA_ENV_SETTINGS \
#define PHYS_SDRAM_1 0x0c000000 /* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE 0x01000000 /* 16 MB */
-#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
-#define PHYS_FLASH_SIZE 0x00800000 /* 8 MB */
+#define CFG_FLASH_BASE 0x00000000 /* Flash Bank #1 */
/* The following #defines are needed to get flash environment right */
-#define CFG_MONITOR_BASE PHYS_FLASH_1
+#define CFG_MONITOR_BASE CFG_FLASH_BASE
#define CFG_MONITOR_LEN (256 << 10)
-#define CFG_FLASH_BASE PHYS_FLASH_1
-
/*-----------------------------------------------------------------------
* FLASH and environment organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
-#define CFG_MAX_FLASH_SECT (71) /* max number of sectors on one chip */
+#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
/* timeout values are in ticks */
#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_ENV_IS_IN_FLASH 1
/* Address and size of Primary Environment Sector */
-#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x4000)
+#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x4000)
#define CFG_ENV_SIZE 0x4000
/* Address and size of Redundant Environment Sector */
/*
- * (C) Copyright 2000-2002
+ * (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
#ifndef __VERSION_H__
#define __VERSION_H__
-#define U_BOOT_VERSION "U-Boot 0.2.2"
+#define U_BOOT_VERSION "U-Boot 0.2.3"
#endif /* __VERSION_H__ */
static ulong mem_malloc_end = 0;
static ulong mem_malloc_brk = 0;
-#if !defined(CONFIG_MODEM_SUPPORT)
static
-#endif
void mem_malloc_init (ulong dest_addr)
{
mem_malloc_start = dest_addr;
gd_t gd_data;
bd_t bd_data;
init_fnc_t **init_fnc_ptr;
-#if defined(CONFIG_VFD) && !defined(CONFIG_MODEM_SUPPORT)
+#if defined(CONFIG_VFD)
unsigned long addr;
#endif
display_flash_config (size);
#ifdef CONFIG_VFD
-#ifndef CONFIG_MODEM_SUPPORT
-#ifndef PAGE_SIZE
-#define PAGE_SIZE 4096
-#endif
+# ifndef PAGE_SIZE
+# define PAGE_SIZE 4096
+# endif
/*
* reserve memory for VFD display (always full pages)
*/
addr += size;
addr = (addr + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
mem_malloc_init (addr);
-#endif /* CONFIG_MODEM_SUPPORT */
#else
/* armboot_real_end is defined in the board-specific linker script */
mem_malloc_init (_armboot_real_end);
#endif /* CONFIG_VFD */
+ /* initialize environment */
+ env_relocate ();
+
#ifdef CONFIG_VFD
-#ifndef CONFIG_MODEM_SUPPORT
/* must do this after the framebuffer is allocated */
drv_vfd_init();
-#endif /* CONFIG_MODEM_SUPPORT */
#endif
- /* initialize environment */
- env_relocate ();
/* IP Address */
bd_data.bi_ip_addr = getenv_IPaddr ("ipaddr");
enable_interrupts ();
#ifdef CONFIG_DRIVER_CS8900
- if (!getenv ("ethaddr")) {
- cs8900_get_enetaddr (gd->bd->bi_enetaddr);
- }
+ cs8900_get_enetaddr (gd->bd->bi_enetaddr);
#endif
#ifdef BOARD_POST_INIT
board_post_init ();
#endif
+printf ("### vfd_type=0x%02X vfd_data_lines_inv=%d\n",gd->vfd_type,gd->vfd_inv_data);
+
/* main_loop() can return to retry autoboot, if so just run it again. */
for (;;) {
main_loop ();
--- /dev/null
+#
+# (C) Copyright 2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__
extern int pcnet_initialize(bd_t*);
extern int fec_initialize(bd_t*);
extern int scc_initialize(bd_t*);
+extern int inca_switch_initialize(bd_t*);
static struct eth_device *eth_devices, *eth_current;
eth_devices = NULL;
eth_current = NULL;
+#ifdef CONFIG_INCA_IP_SWITCH
+ inca_switch_initialize(bis);
+#endif
#ifdef CONFIG_EEPRO100
eepro100_initialize(bis);
#endif
if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
memcmp(dev->enetaddr, env_enetaddr, 6))
{
- printf("\nWarning: %s HW address don't match:\n", dev->name);
+ printf("\nWarning: %s MAC addresses don't match:\n", dev->name);
printf("Address in SROM is "
"%02X:%02X:%02X:%02X:%02X:%02X\n",
dev->enetaddr[0], dev->enetaddr[1],
char *data;
if ((fd = open(DEVNAME(curdev), mode)) < 0) {
- fprintf (stderr,
- "Can't open %s: %s\n",
+ fprintf (stderr,
+ "Can't open %s: %s\n",
DEVNAME(curdev), strerror(errno));
return (-1);
}
/* switch to next partition for writing */
otherdev = !curdev;
if ((fdr = open(DEVNAME(otherdev), mode)) < 0) {
- fprintf (stderr,
- "Can't open %s: %s\n",
+ fprintf (stderr,
+ "Can't open %s: %s\n",
DEVNAME(otherdev), strerror(errno));
return (-1);
}
resid = DEVESIZE(otherdev) - CFG_ENV_SIZE;
if (resid) {
if ((data = malloc(resid)) == NULL) {
- fprintf(stderr,
+ fprintf(stderr,
"Cannot malloc %d bytes: %s\n",
resid, strerror(errno));
return (-1);
}
if (lseek (fdr, DEVOFFSET(otherdev) + CFG_ENV_SIZE, SEEK_SET) == -1) {
fprintf (stderr,
- "seek error on %s: %s\n",
+ "seek error on %s: %s\n",
DEVNAME(otherdev), strerror(errno));
return (-1);
}
if ((rc = read (fdr, data, resid)) != resid) {
fprintf (stderr,
- "read error on %s: %s\n",
+ "read error on %s: %s\n",
DEVNAME(otherdev), strerror(errno));
return (-1);
}
printf("Writing environment to %s...\n",DEVNAME(otherdev));
if (lseek (fdr, DEVOFFSET(otherdev), SEEK_SET) == -1) {
fprintf (stderr,
- "seek error on %s: %s\n",
+ "seek error on %s: %s\n",
DEVNAME(otherdev), strerror(errno));
return (-1);
}
if (write(fdr, &environment, len) != len) {
fprintf (stderr,
- "CRC write error on %s: %s\n",
+ "CRC write error on %s: %s\n",
DEVNAME(otherdev), strerror(errno));
return (-1);
}
if (write(fdr, environment.data, ENV_SIZE) != ENV_SIZE) {
fprintf (stderr,
- "Write error on %s: %s\n",
+ "Write error on %s: %s\n",
DEVNAME(otherdev), strerror(errno));
return (-1);
}
if (resid) {
if (write (fdr, data, resid) != resid) {
fprintf (stderr,
- "write error on %s: %s\n",
+ "write error on %s: %s\n",
DEVNAME(curdev), strerror(errno));
return (-1);
}
/* change flag on current active env partition */
if (lseek (fd, DEVOFFSET(curdev) + sizeof(ulong), SEEK_SET) == -1) {
fprintf (stderr,
- "seek error on %s: %s\n",
+ "seek error on %s: %s\n",
DEVNAME(curdev), strerror(errno));
return (-1);
}
- if (write (fd, &obsolete_flag, sizeof(obsolete_flag)) !=
+ if (write (fd, &obsolete_flag, sizeof(obsolete_flag)) !=
sizeof(obsolete_flag)) {
fprintf (stderr,
- "Write error on %s: %s\n",
+ "Write error on %s: %s\n",
DEVNAME(curdev), strerror(errno));
return (-1);
}
ioctl (fd, MEMLOCK, &erase);
if (close(fdr)) {
fprintf (stderr,
- "I/O error on %s: %s\n",
+ "I/O error on %s: %s\n",
DEVNAME(otherdev), strerror(errno));
return (-1);
}
if (lseek (fd, DEVOFFSET(curdev), SEEK_SET) == -1) {
fprintf (stderr,
- "seek error on %s: %s\n",
+ "seek error on %s: %s\n",
DEVNAME(curdev), strerror(errno));
return (-1);
}
if (read (fd, &environment, len) != len) {
fprintf (stderr,
- "CRC read error on %s: %s\n",
+ "CRC read error on %s: %s\n",
DEVNAME(curdev), strerror(errno));
return (-1);
}
if ((rc = read (fd, environment.data, ENV_SIZE)) != ENV_SIZE) {
fprintf (stderr,
- "Read error on %s: %s\n",
+ "Read error on %s: %s\n",
DEVNAME(curdev), strerror(errno));
return (-1);
}
if (close(fd)) {
fprintf (stderr,
- "I/O error on %s: %s\n",
+ "I/O error on %s: %s\n",
DEVNAME(curdev), strerror(errno));
return (-1);
}
if (parse_config()) /* should fill envdevices */
return 1;
-
+
if ((addr1 = calloc (1, ENV_SIZE)) == NULL) {
- fprintf (stderr,
+ fprintf (stderr,
"Not enough memory for environment (%ld bytes)\n",
ENV_SIZE);
return (errno);
}
-
+
/* read environment from FLASH to local buffer */
environment.data = addr1;
curdev = 0;
if (flash_io (O_RDONLY)) {
return (errno);
}
-
- crc1_ok = ((crc1 = crc32(0, environment.data, ENV_SIZE))
+
+ crc1_ok = ((crc1 = crc32(0, environment.data, ENV_SIZE))
== environment.crc);
if (!HaveRedundEnv) {
if (!crc1_ok) {
- fprintf (stderr,
+ fprintf (stderr,
"Warning: Bad CRC, using default environment\n");
environment.data = default_environment;
free(addr1);
}
} else {
flag1 = environment.flags;
-
+
curdev = 1;
if ((addr2 = calloc (1, ENV_SIZE)) == NULL) {
- fprintf (stderr,
+ fprintf (stderr,
"Not enough memory for environment (%ld bytes)\n",
ENV_SIZE);
return (errno);
- }
+ }
environment.data = addr2;
-
+
if (flash_io (O_RDONLY)) {
return (errno);
}
-
- crc2_ok = ((crc2 = crc32(0, environment.data, ENV_SIZE))
+
+ crc2_ok = ((crc2 = crc32(0, environment.data, ENV_SIZE))
== environment.crc);
flag2 = environment.flags;
-
+
if (crc1_ok && ! crc2_ok) {
environment.data = addr1;
environment.flags = flag1;
free(addr1);
}
else if (! crc1_ok && ! crc2_ok) {
- fprintf (stderr,
+ fprintf (stderr,
"Warning: Bad CRC, using default environment\n");
environment.data = default_environment;
curdev = 0;
#endif
#endif
if (stat (DEVNAME(0), &st)) {
- fprintf (stderr,
- "Cannot access MTD device %s: %s\n",
+ fprintf (stderr,
+ "Cannot access MTD device %s: %s\n",
DEVNAME(0), strerror(errno));
return 1;
}
-
+
if (HaveRedundEnv && stat (DEVNAME(1), &st)) {
- fprintf (stderr,
- "Cannot access MTD device %s: %s\n",
+ fprintf (stderr,
+ "Cannot access MTD device %s: %s\n",
DEVNAME(2), strerror(errno));
return 1;
}
return 1;
}
- while ((i < 2) &&
+ while ((i < 2) &&
((rc = fscanf (fp, "%s %lx %lx %lx",
DEVNAME(i), &DEVOFFSET(i), &ENVSIZE(i), &DEVESIZE(i))) != EOF)) {
/* Skip incomplete conversions and comment strings */
- if ((rc < 3) || (*DEVNAME(i) == '#')) {
+ if ((rc < 3) || (*DEVNAME(i) == '#')) {
fgets (dump, sizeof(dump), fp); /* Consume till end */
continue;
}
i++;
}
fclose(fp);
-
+
HaveRedundEnv = i - 1;
if (!i) { /* No valid entries found */
errno = EINVAL;
projects / karo-tx-uboot.git / commitdiff