/*
- * (C) Copyright 2007
+ * (C) Copyright 2007-2013
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* This program is free software; you can redistribute it and/or
#include <common.h>
#include <command.h>
-#include <ppc440.h>
+#include <asm/ppc440.h>
#include <asm/processor.h>
-#include <asm/gpio.h>
+#include <asm/ppc4xx-gpio.h>
#include <asm/io.h>
+#include <post.h>
+#include <flash.h>
+#include <mtd/cfi_flash.h>
DECLARE_GLOBAL_DATA_PTR;
-extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+static phys_addr_t lwmon5_cfi_flash_bank_addr[2] = CONFIG_SYS_FLASH_BANKS_LIST;
ulong flash_get_size(ulong base, int banknum);
int misc_init_r_kbd(void);
u32 reg;
/* PLB Write pipelining disabled. Denali Core workaround */
- mtdcr(plb0_acr, 0xDE000000);
- mtdcr(plb1_acr, 0xDE000000);
+ mtdcr(PLB4A0_ACR, 0xDE000000);
+ mtdcr(PLB4A1_ACR, 0xDE000000);
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
*-------------------------------------------------------------------*/
- mtdcr(uic0sr, 0xffffffff); /* clear all. if write with 1 then the status is cleared */
- mtdcr(uic0er, 0x00000000); /* disable all */
- mtdcr(uic0cr, 0x00000000); /* we have not critical interrupts at the moment */
- mtdcr(uic0pr, 0xFFBFF1EF); /* Adjustment of the polarity */
- mtdcr(uic0tr, 0x00000900); /* per ref-board manual */
- mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
- mtdcr(uic0sr, 0xffffffff); /* clear all */
-
- mtdcr(uic1sr, 0xffffffff); /* clear all */
- mtdcr(uic1er, 0x00000000); /* disable all */
- mtdcr(uic1cr, 0x00000000); /* all non-critical */
- mtdcr(uic1pr, 0xFFFFC6A5); /* Adjustment of the polarity */
- mtdcr(uic1tr, 0x60000040); /* per ref-board manual */
- mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
- mtdcr(uic1sr, 0xffffffff); /* clear all */
-
- mtdcr(uic2sr, 0xffffffff); /* clear all */
- mtdcr(uic2er, 0x00000000); /* disable all */
- mtdcr(uic2cr, 0x00000000); /* all non-critical */
- mtdcr(uic2pr, 0x27C00000); /* Adjustment of the polarity */
- mtdcr(uic2tr, 0x3C000000); /* per ref-board manual */
- mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
- mtdcr(uic2sr, 0xffffffff); /* clear all */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all. if write with 1 then the status is cleared */
+ mtdcr(UIC0ER, 0x00000000); /* disable all */
+ mtdcr(UIC0CR, 0x00000000); /* we have not critical interrupts at the moment */
+ mtdcr(UIC0PR, 0xFFBFF1EF); /* Adjustment of the polarity */
+ mtdcr(UIC0TR, 0x00000900); /* per ref-board manual */
+ mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+ mtdcr(UIC1ER, 0x00000000); /* disable all */
+ mtdcr(UIC1CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC1PR, 0xFFFFC6A5); /* Adjustment of the polarity */
+ mtdcr(UIC1TR, 0x60000040); /* per ref-board manual */
+ mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC2SR, 0xffffffff); /* clear all */
+ mtdcr(UIC2ER, 0x00000000); /* disable all */
+ mtdcr(UIC2CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC2PR, 0x27C00000); /* Adjustment of the polarity */
+ mtdcr(UIC2TR, 0x3C000000); /* per ref-board manual */
+ mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */
+ mtdcr(UIC2SR, 0xffffffff); /* clear all */
/* Trace Pins are disabled. SDR0_PFC0 Register */
mtsdr(SDR0_PFC0, 0x0);
/* PCI arbiter disabled */
/* PCI Host Configuration disbaled */
- mfsdr(sdr_pci0, reg);
+ mfsdr(SDR0_PCI0, reg);
reg = 0;
- mtsdr(sdr_pci0, 0x00000000 | reg);
+ mtsdr(SDR0_PCI0, 0x00000000 | reg);
- gpio_write_bit(CFG_GPIO_FLASH_WP, 1);
+ gpio_write_bit(CONFIG_SYS_GPIO_FLASH_WP, 1);
-#if CONFIG_POST & CFG_POST_BSPEC1
- gpio_write_bit(CFG_GPIO_HIGHSIDE, 1);
+#if CONFIG_POST & CONFIG_SYS_POST_BSPEC1
+ /* enable the LSB transmitter */
+ gpio_write_bit(CONFIG_SYS_GPIO_LSB_ENABLE, 1);
+ /* enable the CAN transmitter */
+ gpio_write_bit(CONFIG_SYS_GPIO_CAN_ENABLE, 1);
reg = 0; /* reuse as counter */
- out_be32((void *)CFG_DSPIC_TEST_ADDR,
- in_be32((void *)CFG_DSPIC_TEST_ADDR)
- & ~CFG_DSPIC_TEST_MASK);
- while (!gpio_read_in_bit(CFG_GPIO_DSPIC_READY) && reg++ < 1000) {
+ out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR,
+ in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR)
+ & ~CONFIG_SYS_DSPIC_TEST_MASK);
+ while (gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY) && reg++ < 1000) {
udelay(1000);
}
- gpio_write_bit(CFG_GPIO_HIGHSIDE, 0);
- if (gpio_read_in_bit(CFG_GPIO_DSPIC_READY)) {
+ if (gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY)) {
/* set "boot error" flag */
- out_be32((void *)CFG_DSPIC_TEST_ADDR,
- in_be32((void *)CFG_DSPIC_TEST_ADDR) |
- CFG_DSPIC_TEST_MASK);
+ out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR,
+ in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR) |
+ CONFIG_SYS_DSPIC_TEST_MASK);
}
#endif
* MDIO address. A 2nd reset at this time will make sure, that the
* correct address is latched.
*/
- gpio_write_bit(CFG_GPIO_PHY0_RST, 1);
- gpio_write_bit(CFG_GPIO_PHY1_RST, 1);
+ gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 1);
+ gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1);
udelay(1000);
- gpio_write_bit(CFG_GPIO_PHY0_RST, 0);
- gpio_write_bit(CFG_GPIO_PHY1_RST, 0);
+ gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 0);
+ gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 0);
udelay(1000);
- gpio_write_bit(CFG_GPIO_PHY0_RST, 1);
- gpio_write_bit(CFG_GPIO_PHY1_RST, 1);
+ gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 1);
+ gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1);
+
+ return 0;
+}
+
+/*
+ * Override weak default with board specific version
+ */
+phys_addr_t cfi_flash_bank_addr(int bank)
+{
+ return lwmon5_cfi_flash_bank_addr[bank];
+}
+
+/*
+ * Override the weak default mapping function with a board specific one
+ */
+u32 flash_get_bank_size(int cs, int idx)
+{
+ return flash_info[idx].size;
+}
+
+int board_early_init_r(void)
+{
+ u32 val0, val1;
+
+ /*
+ * lwmon5 is manufactured in 2 different board versions:
+ * The lwmon5a board has 64MiB NOR flash instead of the
+ * 128MiB of the original lwmon5. Unfortunately the CFI driver
+ * will report 2 banks of 64MiB even for the smaller flash
+ * chip, since the bank is mirrored. To fix this, we bring
+ * one bank into CFI query mode and read its response. This
+ * enables us to detect the real number of flash devices/
+ * banks which will be used later on by the common CFI driver.
+ */
+
+ /* Put bank 0 into CFI command mode and read */
+ out_be32((void *)CONFIG_SYS_FLASH0, 0x00980098);
+ val0 = in_be32((void *)CONFIG_SYS_FLASH0 + FLASH_OFFSET_CFI_RESP);
+ val1 = in_be32((void *)CONFIG_SYS_FLASH1 + FLASH_OFFSET_CFI_RESP);
+
+ /* Reset flash again out of query mode */
+ out_be32((void *)CONFIG_SYS_FLASH0, 0x00f000f0);
+
+ /* When not identical, we have 2 different flash devices/banks */
+ if (val0 != val1)
+ return 0;
+
+ /*
+ * Now we're sure that we're running on a LWMON5a board with
+ * only 64MiB NOR flash in one bank:
+ *
+ * Set flash base address and bank count for CFI driver probing.
+ */
+ cfi_flash_num_flash_banks = 1;
+ lwmon5_cfi_flash_bank_addr[0] = CONFIG_SYS_FLASH0;
return 0;
}
-/*---------------------------------------------------------------------------+
- | misc_init_r.
- +---------------------------------------------------------------------------*/
int misc_init_r(void)
{
u32 pbcr;
int size_val = 0;
u32 reg;
+#ifndef CONFIG_LCD4_LWMON5
unsigned long usb2d0cr = 0;
unsigned long usb2phy0cr, usb2h0cr = 0;
- unsigned long sdr0_pfc1;
+ unsigned long sdr0_pfc1, sdr0_srst;
+#endif
/*
* FLASH stuff...
gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
gd->bd->bi_flashoffset = 0;
- mfebc(pb0cr, pbcr);
- switch (gd->bd->bi_flashsize) {
- case 1 << 20:
- size_val = 0;
- break;
- case 2 << 20:
- size_val = 1;
- break;
- case 4 << 20:
- size_val = 2;
- break;
- case 8 << 20:
- size_val = 3;
- break;
- case 16 << 20:
- size_val = 4;
- break;
- case 32 << 20:
- size_val = 5;
- break;
- case 64 << 20:
- size_val = 6;
- break;
- case 128 << 20:
- size_val = 7;
- break;
- }
+ mfebc(PB0CR, pbcr);
+ size_val = ffs(gd->bd->bi_flashsize) - 21;
pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
- mtebc(pb0cr, pbcr);
+ mtebc(PB0CR, pbcr);
/*
* Re-check to get correct base address
flash_get_size(gd->bd->bi_flashstart, 0);
/* Monitor protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET,
- -CFG_MONITOR_LEN,
- 0xffffffff,
- &flash_info[1]);
+ flash_protect(FLAG_PROTECT_SET, -CONFIG_SYS_MONITOR_LEN, 0xffffffff,
+ &flash_info[cfi_flash_num_flash_banks - 1]);
/* Env protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET,
- CFG_ENV_ADDR_REDUND,
- CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
- &flash_info[1]);
+ flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND,
+ CONFIG_ENV_ADDR_REDUND + 2 * CONFIG_ENV_SECT_SIZE - 1,
+ &flash_info[cfi_flash_num_flash_banks - 1]);
+#ifndef CONFIG_LCD4_LWMON5
/*
* USB suff...
*/
+
+ /* Reset USB */
+ /* Reset of USB2PHY0 must be active at least 10 us */
+ mtsdr(SDR0_SRST0, SDR0_SRST0_USB2H | SDR0_SRST0_USB2D);
+ udelay(2000);
+
+ mtsdr(SDR0_SRST1, SDR0_SRST1_USB20PHY | SDR0_SRST1_USB2HUTMI |
+ SDR0_SRST1_USB2HPHY | SDR0_SRST1_OPBA2 |
+ SDR0_SRST1_PLB42OPB1 | SDR0_SRST1_OPB2PLB40);
+ udelay(2000);
+
+ /* Errata CHIP_6 */
+
+ /* 1. Set internal PHY configuration */
/* SDR Setting */
mfsdr(SDR0_PFC1, sdr0_pfc1);
mfsdr(SDR0_USB0, usb2d0cr);
mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
mfsdr(SDR0_USB2H0CR, usb2h0cr);
- usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
- usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/
- usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/
- usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
- usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
-
- /* An 8-bit/60MHz interface is the only possible alternative
- when connecting the Device to the PHY */
- usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
- usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_WDINT_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; /*1*/
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
+
+ /*
+ * An 8-bit/60MHz interface is the only possible alternative
+ * when connecting the Device to the PHY
+ */
+ usb2h0cr = usb2h0cr & ~SDR0_USB2H0CR_WDINT_MASK;
+ usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/
mtsdr(SDR0_PFC1, sdr0_pfc1);
mtsdr(SDR0_USB0, usb2d0cr);
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
mtsdr(SDR0_USB2H0CR, usb2h0cr);
+ /* 2. De-assert internal PHY reset */
+ mfsdr(SDR0_SRST1, sdr0_srst);
+ sdr0_srst = sdr0_srst & ~SDR0_SRST1_USB20PHY;
+ mtsdr(SDR0_SRST1, sdr0_srst);
+
+ /* 3. Wait for more than 1 ms */
+ udelay(2000);
+
+ /* 4. De-assert USB 2.0 Host main reset */
+ mfsdr(SDR0_SRST0, sdr0_srst);
+ sdr0_srst = sdr0_srst &~ SDR0_SRST0_USB2H;
+ mtsdr(SDR0_SRST0, sdr0_srst);
+ udelay(1000);
+
+ /* 5. De-assert reset of OPB2 cores */
+ mfsdr(SDR0_SRST1, sdr0_srst);
+ sdr0_srst = sdr0_srst &~ SDR0_SRST1_PLB42OPB1;
+ sdr0_srst = sdr0_srst &~ SDR0_SRST1_OPB2PLB40;
+ sdr0_srst = sdr0_srst &~ SDR0_SRST1_OPBA2;
+ mtsdr(SDR0_SRST1, sdr0_srst);
+ udelay(1000);
+
+ /* 6. Set EHCI Configure FLAG */
+
+ /* 7. Reassert internal PHY reset: */
+ mtsdr(SDR0_SRST1, SDR0_SRST1_USB20PHY);
+ udelay(1000);
+#endif
+
/*
* Clear resets
*/
- udelay (1000);
mtsdr(SDR0_SRST1, 0x00000000);
- udelay (1000);
mtsdr(SDR0_SRST0, 0x00000000);
+#ifndef CONFIG_LCD4_LWMON5
printf("USB: Host(int phy) Device(ext phy)\n");
+#endif
/*
* Clear PLB4A0_ACR[WRP]
* This fix will make the MAL burst disabling patch for the Linux
* EMAC driver obsolete.
*/
- reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
- mtdcr(plb4_acr, reg);
+ reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK;
+ mtdcr(PLB4A0_ACR, reg);
+#ifndef CONFIG_LCD4_LWMON5
/*
* Init matrix keyboard
*/
misc_init_r_kbd();
+#endif
return 0;
}
int checkboard(void)
{
- char *s = getenv("serial#");
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
- printf("Board: lwmon5");
+ printf("Board: %s", __stringify(CONFIG_HOSTNAME));
- if (s != NULL) {
+ if (i > 0) {
puts(", serial# ");
- puts(s);
+ puts(buf);
}
putc('\n');
return (0);
}
-#if defined(CFG_DRAM_TEST)
-int testdram(void)
-{
- unsigned long *mem = (unsigned long *)0;
- const unsigned long kend = (1024 / sizeof(unsigned long));
- unsigned long k, n;
-
- mtmsr(0);
-
- for (k = 0; k < CFG_MBYTES_SDRAM;
- ++k, mem += (1024 / sizeof(unsigned long))) {
- if ((k & 1023) == 0) {
- printf("%3d MB\r", k / 1024);
- }
-
- memset(mem, 0xaaaaaaaa, 1024);
- for (n = 0; n < kend; ++n) {
- if (mem[n] != 0xaaaaaaaa) {
- printf("SDRAM test fails at: %08x\n",
- (uint) & mem[n]);
- return 1;
- }
- }
-
- memset(mem, 0x55555555, 1024);
- for (n = 0; n < kend; ++n) {
- if (mem[n] != 0x55555555) {
- printf("SDRAM test fails at: %08x\n",
- (uint) & mem[n]);
- return 1;
- }
- }
- }
- printf("SDRAM test passes\n");
- return 0;
-}
-#endif
-
-/*************************************************************************
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
- *
- * Different boards may wish to customize the pci controller structure
- * (add regions, override default access routines, etc) or perform
- * certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
- unsigned long addr;
-
- /*-------------------------------------------------------------------------+
- | Set priority for all PLB3 devices to 0.
- | Set PLB3 arbiter to fair mode.
- +-------------------------------------------------------------------------*/
- mfsdr(sdr_amp1, addr);
- mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
- addr = mfdcr(plb3_acr);
- mtdcr(plb3_acr, addr | 0x80000000);
-
- /*-------------------------------------------------------------------------+
- | Set priority for all PLB4 devices to 0.
- +-------------------------------------------------------------------------*/
- mfsdr(sdr_amp0, addr);
- mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
- addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
- mtdcr(plb4_acr, addr);
-
- /*-------------------------------------------------------------------------+
- | Set Nebula PLB4 arbiter to fair mode.
- +-------------------------------------------------------------------------*/
- /* Segment0 */
- addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
- addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
- addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
- addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
- mtdcr(plb0_acr, addr);
-
- /* Segment1 */
- addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
- addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
- addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
- addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
- mtdcr(plb1_acr, addr);
-
- return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-/*************************************************************************
- * pci_target_init
- *
- * The bootstrap configuration provides default settings for the pci
- * inbound map (PIM). But the bootstrap config choices are limited and
- * may not be sufficient for a given board.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
-void pci_target_init(struct pci_controller *hose)
-{
- /*--------------------------------------------------------------------------+
- * Set up Direct MMIO registers
- *--------------------------------------------------------------------------*/
- /*--------------------------------------------------------------------------+
- | PowerPC440EPX PCI Master configuration.
- | Map one 1Gig range of PLB/processor addresses to PCI memory space.
- | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
- | Use byte reversed out routines to handle endianess.
- | Make this region non-prefetchable.
- +--------------------------------------------------------------------------*/
- out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
- out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
- out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
- out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
- out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */
-
- out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
- out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
- out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
- out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
- out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */
-
- out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
- out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
- out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
- out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
-
- /*--------------------------------------------------------------------------+
- * Set up Configuration registers
- *--------------------------------------------------------------------------*/
-
- /* Program the board's subsystem id/vendor id */
- pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
- CFG_PCI_SUBSYS_VENDORID);
- pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
-
- /* Configure command register as bus master */
- pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
-
- /* 240nS PCI clock */
- pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
-
- /* No error reporting */
- pci_write_config_word(0, PCI_ERREN, 0);
-
- pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
-
-}
-#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
-
-/*************************************************************************
- * pci_master_init
- *
- ************************************************************************/
-#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
-void pci_master_init(struct pci_controller *hose)
-{
- unsigned short temp_short;
-
- /*--------------------------------------------------------------------------+
- | Write the PowerPC440 EP PCI Configuration regs.
- | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
- | Enable PowerPC440 EP to act as a PCI memory target (PTM).
- +--------------------------------------------------------------------------*/
- pci_read_config_word(0, PCI_COMMAND, &temp_short);
- pci_write_config_word(0, PCI_COMMAND,
- temp_short | PCI_COMMAND_MASTER |
- PCI_COMMAND_MEMORY);
-}
-#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
-
-/*************************************************************************
- * is_pci_host
- *
- * This routine is called to determine if a pci scan should be
- * performed. With various hardware environments (especially cPCI and
- * PPMC) it's insufficient to depend on the state of the arbiter enable
- * bit in the strap register, or generic host/adapter assumptions.
- *
- * Rather than hard-code a bad assumption in the general 440 code, the
- * 440 pci code requires the board to decide at runtime.
- *
- * Return 0 for adapter mode, non-zero for host (monarch) mode.
- *
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int is_pci_host(struct pci_controller *hose)
-{
- /* Cactus is always configured as host. */
- return (1);
-}
-#endif /* defined(CONFIG_PCI) */
-
void hw_watchdog_reset(void)
{
int val;
+#if defined(CONFIG_WD_MAX_RATE)
+ unsigned long long ct = get_ticks();
+
+ /*
+ * Don't allow watch-dog triggering more frequently than
+ * the predefined value CONFIG_WD_MAX_RATE [ticks].
+ */
+ if (ct >= gd->arch.wdt_last) {
+ if ((ct - gd->arch.wdt_last) < CONFIG_WD_MAX_RATE)
+ return;
+ } else {
+ /* Time base counter had been reset */
+ if (((unsigned long long)(-1) - gd->arch.wdt_last + ct) <
+ CONFIG_WD_MAX_RATE)
+ return;
+ }
+ gd->arch.wdt_last = get_ticks();
+#endif
/*
* Toggle watchdog output
*/
- val = gpio_read_out_bit(CFG_GPIO_WATCHDOG) == 0 ? 1 : 0;
- gpio_write_bit(CFG_GPIO_WATCHDOG, val);
+ val = gpio_read_out_bit(CONFIG_SYS_GPIO_WATCHDOG) == 0 ? 1 : 0;
+ gpio_write_bit(CONFIG_SYS_GPIO_WATCHDOG, val);
}
-int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- if (argc < 2) {
- printf("Usage:\n%s\n", cmdtp->usage);
- return 1;
- }
-
- if ((strcmp(argv[1], "on") == 0)) {
- gpio_write_bit(CFG_GPIO_EEPROM_EXT_WP, 1);
- } else if ((strcmp(argv[1], "off") == 0)) {
- gpio_write_bit(CFG_GPIO_EEPROM_EXT_WP, 0);
- } else {
- printf("Usage:\n%s\n", cmdtp->usage);
- return 1;
- }
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+ if ((strcmp(argv[1], "on") == 0))
+ gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 1);
+ else if ((strcmp(argv[1], "off") == 0))
+ gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 0);
+ else
+ return cmd_usage(cmdtp);
return 0;
}
U_BOOT_CMD(
eepromwp, 2, 0, do_eeprom_wp,
- "eepromwp- eeprom write protect off/on\n",
- "<on|off> - enable (on) or disable (off) I2C EEPROM write protect\n"
+ "eeprom write protect off/on",
+ "<on|off> - enable (on) or disable (off) I2C EEPROM write protect"
);
#if defined(CONFIG_VIDEO)
extern GraphicDevice mb862xx;
-static const gdc_regs init_regs [] =
-{
- {0x0100, 0x00000f00},
- {0x0020, 0x801401df},
- {0x0024, 0x00000000},
- {0x0028, 0x00000000},
- {0x002c, 0x00000000},
- {0x0110, 0x00000000},
- {0x0114, 0x00000000},
- {0x0118, 0x01df0280},
- {0x0004, 0x031f0000},
- {0x0008, 0x027f027f},
- {0x000c, 0x015f028f},
- {0x0010, 0x020c0000},
- {0x0014, 0x01df01ea},
- {0x0018, 0x00000000},
- {0x001c, 0x01e00280},
- {0x0100, 0x80010f00},
- {0x0, 0x0}
+static const gdc_regs init_regs [] = {
+ { 0x0100, 0x00000f00 },
+ { 0x0020, 0x801401df },
+ { 0x0024, 0x00000000 },
+ { 0x0028, 0x00000000 },
+ { 0x002c, 0x00000000 },
+ { 0x0110, 0x00000000 },
+ { 0x0114, 0x00000000 },
+ { 0x0118, 0x01df0280 },
+ { 0x0004, 0x031f0000 },
+ { 0x0008, 0x027f027f },
+ { 0x000c, 0x015f028f },
+ { 0x0010, 0x020c0000 },
+ { 0x0014, 0x01df01ea },
+ { 0x0018, 0x00000000 },
+ { 0x001c, 0x01e00280 },
+ { 0x0100, 0x80010f00 },
+ { 0x0, 0x0 }
};
-const gdc_regs *board_get_regs (void)
+const gdc_regs *board_get_regs(void)
{
return init_regs;
}
/* Returns Lime base address */
-unsigned int board_video_init (void)
+unsigned int board_video_init(void)
{
/*
* Reset Lime controller
*/
- gpio_write_bit(CFG_GPIO_LIME_S, 1);
+ gpio_write_bit(CONFIG_SYS_GPIO_LIME_S, 1);
udelay(500);
- gpio_write_bit(CFG_GPIO_LIME_RST, 1);
-
- /* Lime memory clock adjusted to 100MHz */
- out_be32((void *)CFG_LIME_SDRAM_CLOCK, CFG_LIME_CLOCK_100MHZ);
- /* Wait untill time expired. Because of requirements in lime manual */
- udelay(300);
- /* Write lime controller memory parameters */
- out_be32((void *)CFG_LIME_MMR, CFG_LIME_MMR_VALUE);
+ gpio_write_bit(CONFIG_SYS_GPIO_LIME_RST, 1);
mb862xx.winSizeX = 640;
mb862xx.winSizeY = 480;
mb862xx.gdfBytesPP = 2;
mb862xx.gdfIndex = GDF_15BIT_555RGB;
- return CFG_LIME_BASE_0;
+ return CONFIG_SYS_LIME_BASE_0;
}
-void board_backlight_switch (int flag)
+#define DEFAULT_BRIGHTNESS 0x64
+
+static void board_backlight_brightness(int brightness)
{
- if (flag) {
+ if (brightness > 0) {
/* pwm duty, lamp on */
- out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000024), 0x64);
- out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000020), 0x701);
+ out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), brightness);
+ out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000020), 0x701);
} else {
/* lamp off */
- out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000024), 0x00);
- out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000020), 0x00);
+ out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), 0x00);
+ out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000020), 0x00);
}
}
+void board_backlight_switch(int flag)
+{
+ char * param;
+ int rc;
+
+ if (flag) {
+ param = getenv("brightness");
+ rc = param ? simple_strtol(param, NULL, 10) : -1;
+ if (rc < 0)
+ rc = DEFAULT_BRIGHTNESS;
+ } else {
+ rc = 0;
+ }
+ board_backlight_brightness(rc);
+}
+
#if defined(CONFIG_CONSOLE_EXTRA_INFO)
/*
* Return text to be printed besides the logo.
*/
-void video_get_info_str (int line_number, char *info)
+void video_get_info_str(int line_number, char *info)
{
- if (line_number == 1) {
- strcpy (info, " Board: Lwmon5 (Liebherr Elektronik GmbH)");
- } else {
+ if (line_number == 1)
+ strcpy(info, " Board: Lwmon5 (Liebherr Elektronik GmbH)");
+ else
info [0] = '\0';
- }
}
-#endif
+#endif /* CONFIG_CONSOLE_EXTRA_INFO */
#endif /* CONFIG_VIDEO */
void board_reset(void)
{
- gpio_write_bit(CFG_GPIO_BOARD_RESET, 1);
+ gpio_write_bit(CONFIG_SYS_GPIO_BOARD_RESET, 1);
}
+
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * lwmon5 specific implementation of spl_start_uboot()
+ *
+ * RETURN
+ * 0 if booting into OS is selected (default)
+ * 1 if booting into U-Boot is selected
+ */
+int spl_start_uboot(void)
+{
+ char s[8];
+
+ env_init();
+ getenv_f("boot_os", s, sizeof(s));
+ if ((s != NULL) && (strcmp(s, "yes") == 0))
+ return 0;
+
+ return 1;
+}
+
+/*
+ * This function is called from the SPL U-Boot version for
+ * early init stuff, that needs to be done for OS (e.g. Linux)
+ * booting. Doing it later in the real U-Boot would not work
+ * in case that the SPL U-Boot boots Linux directly.
+ */
+void spl_board_init(void)
+{
+ const gdc_regs *regs = board_get_regs();
+
+ /*
+ * Setup PFC registers, mainly for ethernet support
+ * later on in Linux
+ */
+ board_early_init_f();
+
+ /*
+ * Clear resets
+ */
+ mtsdr(SDR0_SRST1, 0x00000000);
+ mtsdr(SDR0_SRST0, 0x00000000);
+
+ /*
+ * Reset Lime controller
+ */
+ gpio_write_bit(CONFIG_SYS_GPIO_LIME_S, 1);
+ udelay(500);
+ gpio_write_bit(CONFIG_SYS_GPIO_LIME_RST, 1);
+
+ out_be32((void *)CONFIG_SYS_LIME_SDRAM_CLOCK, CONFIG_SYS_MB862xx_CCF);
+ udelay(300);
+ out_be32((void *)CONFIG_SYS_LIME_MMR, CONFIG_SYS_MB862xx_MMR);
+
+ while (regs->index) {
+ out_be32((void *)(CONFIG_SYS_LIME_BASE_0 + GC_DISP_BASE) +
+ regs->index, regs->value);
+ regs++;
+ }
+
+ board_backlight_brightness(DEFAULT_BRIGHTNESS);
+}
+#endif
projects / karo-tx-uboot.git / blobdiff