static void irq_init(void)
{
/* disable global interrupt mode */
- write_mmcr_byte(SC520_PICICR, 0x40);
+ sc520_mmcr->picicr = 0x40;
/* set all irqs to edge */
- write_mmcr_byte(SC520_MPICMODE, 0x00);
- write_mmcr_byte(SC520_SL1PICMODE, 0x00);
- write_mmcr_byte(SC520_SL2PICMODE, 0x00);
+ sc520_mmcr->pic_mode[0] = 0x00;
+ sc520_mmcr->pic_mode[1] = 0x00;
+ sc520_mmcr->pic_mode[2] = 0x00;
/* active low polarity on PIC interrupt pins,
* active high polarity on all other irq pins */
- write_mmcr_word(SC520_INTPINPOL, 0x0000);
+ sc520_mmcr->intpinpol = 0x0000;
/* set irq number mapping */
- write_mmcr_byte(SC520_GPTMR0MAP, SC520_IRQ_DISABLED); /* disable GP timer 0 INT */
- write_mmcr_byte(SC520_GPTMR1MAP, SC520_IRQ_DISABLED); /* disable GP timer 1 INT */
- write_mmcr_byte(SC520_GPTMR2MAP, SC520_IRQ_DISABLED); /* disable GP timer 2 INT */
- write_mmcr_byte(SC520_PIT0MAP, SC520_IRQ0); /* Set PIT timer 0 INT to IRQ0 */
- write_mmcr_byte(SC520_PIT1MAP, SC520_IRQ_DISABLED); /* disable PIT timer 1 INT */
- write_mmcr_byte(SC520_PIT2MAP, SC520_IRQ_DISABLED); /* disable PIT timer 2 INT */
- write_mmcr_byte(SC520_PCIINTAMAP, SC520_IRQ_DISABLED); /* disable PCI INT A */
- write_mmcr_byte(SC520_PCIINTBMAP, SC520_IRQ_DISABLED); /* disable PCI INT B */
- write_mmcr_byte(SC520_PCIINTCMAP, SC520_IRQ_DISABLED); /* disable PCI INT C */
- write_mmcr_byte(SC520_PCIINTDMAP, SC520_IRQ_DISABLED); /* disable PCI INT D */
- write_mmcr_byte(SC520_DMABCINTMAP, SC520_IRQ_DISABLED); /* disable DMA INT */
- write_mmcr_byte(SC520_SSIMAP, SC520_IRQ6); /* Set Synchronius serial INT to IRQ6*/
- write_mmcr_byte(SC520_WDTMAP, SC520_IRQ_DISABLED); /* disable Watchdog INT */
- write_mmcr_byte(SC520_RTCMAP, SC520_IRQ8); /* Set RTC int to 8 */
- write_mmcr_byte(SC520_WPVMAP, SC520_IRQ_DISABLED); /* disable write protect INT */
- write_mmcr_byte(SC520_ICEMAP, SC520_IRQ1); /* Set ICE Debug Serielport INT to IRQ1 */
- write_mmcr_byte(SC520_FERRMAP,SC520_IRQ13); /* Set FP error INT to IRQ13 */
-
- write_mmcr_byte(SC520_UART1MAP, SC520_IRQ4); /* Set internal UART2 INT to IRQ4 */
- write_mmcr_byte(SC520_UART2MAP, SC520_IRQ3); /* Set internal UART2 INT to IRQ3 */
-
- write_mmcr_byte(SC520_GP0IMAP, SC520_IRQ7); /* Set GPIRQ0 (PC-Card AUX IRQ) to IRQ7 */
- write_mmcr_byte(SC520_GP1IMAP, SC520_IRQ14); /* Set GPIRQ1 (CF IRQ) to IRQ14 */
- write_mmcr_byte(SC520_GP3IMAP, SC520_IRQ5); /* Set GPIRQ3 ( CAN IRQ ) ti IRQ5 */
- write_mmcr_byte(SC520_GP4IMAP, SC520_IRQ_DISABLED); /* disbale GIRQ4 ( IRR IRQ ) */
- write_mmcr_byte(SC520_GP5IMAP, SC520_IRQ_DISABLED); /* disable GPIRQ5 */
- write_mmcr_byte(SC520_GP6IMAP, SC520_IRQ_DISABLED); /* disable GPIRQ6 */
- write_mmcr_byte(SC520_GP7IMAP, SC520_IRQ_DISABLED); /* disable GPIRQ7 */
- write_mmcr_byte(SC520_GP8IMAP, SC520_IRQ_DISABLED); /* disable GPIRQ8 */
- write_mmcr_byte(SC520_GP9IMAP, SC520_IRQ_DISABLED); /* disable GPIRQ9 */
- write_mmcr_byte(SC520_GP2IMAP, SC520_IRQ_DISABLED); /* disable GPIRQ2 */
- write_mmcr_byte(SC520_GP10IMAP,SC520_IRQ_DISABLED); /* disable GPIRQ10 */
-
- 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 */
+ sc520_mmcr->gp_tmr_int_map[0] = SC520_IRQ_DISABLED; /* disable GP timer 0 INT */
+ sc520_mmcr->gp_tmr_int_map[1] = SC520_IRQ_DISABLED; /* disable GP timer 1 INT */
+ sc520_mmcr->gp_tmr_int_map[2] = SC520_IRQ_DISABLED; /* disable GP timer 2 INT */
+ sc520_mmcr->pit_int_map[0] = SC520_IRQ0; /* Set PIT timer 0 INT to IRQ0 */
+ sc520_mmcr->pit_int_map[1] = SC520_IRQ_DISABLED; /* disable PIT timer 1 INT */
+ sc520_mmcr->pit_int_map[2] = SC520_IRQ_DISABLED; /* disable PIT timer 2 INT */
+ sc520_mmcr->pci_int_map[0] = SC520_IRQ_DISABLED; /* disable PCI INT A */
+ sc520_mmcr->pci_int_map[1] = SC520_IRQ_DISABLED; /* disable PCI INT B */
+ sc520_mmcr->pci_int_map[2] = SC520_IRQ_DISABLED; /* disable PCI INT C */
+ sc520_mmcr->pci_int_map[3] = SC520_IRQ_DISABLED; /* disable PCI INT D */
+ sc520_mmcr->dmabcintmap = SC520_IRQ_DISABLED; /* disable DMA INT */
+ sc520_mmcr->ssimap = SC520_IRQ6; /* Set Synchronius serial INT to IRQ6*/
+ sc520_mmcr->wdtmap = SC520_IRQ_DISABLED; /* disable Watchdog INT */
+ sc520_mmcr->rtcmap = SC520_IRQ8; /* Set RTC int to 8 */
+ sc520_mmcr->wpvmap = SC520_IRQ_DISABLED; /* disable write protect INT */
+ sc520_mmcr->icemap = SC520_IRQ1; /* Set ICE Debug Serielport INT to IRQ1 */
+ sc520_mmcr->ferrmap = SC520_IRQ13; /* Set FP error INT to IRQ13 */
+
+
+ sc520_mmcr->uart_int_map[0] = SC520_IRQ4; /* Set internal UART1 INT to IRQ4 */
+ sc520_mmcr->uart_int_map[1] = SC520_IRQ3; /* Set internal UART2 INT to IRQ3 */
+
+ sc520_mmcr->gp_int_map[0] = SC520_IRQ7; /* Set GPIRQ0 (PC-Card AUX IRQ) to IRQ7 */
+ sc520_mmcr->gp_int_map[1] = SC520_IRQ14; /* Set GPIRQ1 (CF IRQ) to IRQ14 */
+ sc520_mmcr->gp_int_map[3] = SC520_IRQ5; /* Set GPIRQ3 ( CAN IRQ ) ti IRQ5 */
+ sc520_mmcr->gp_int_map[4] = SC520_IRQ_DISABLED; /* disbale GIRQ4 ( IRR IRQ ) */
+ sc520_mmcr->gp_int_map[5] = SC520_IRQ_DISABLED; /* disable GPIRQ5 */
+ sc520_mmcr->gp_int_map[6] = SC520_IRQ_DISABLED; /* disable GPIRQ6 */
+ sc520_mmcr->gp_int_map[7] = SC520_IRQ_DISABLED; /* disable GPIRQ7 */
+ sc520_mmcr->gp_int_map[8] = SC520_IRQ_DISABLED; /* disable GPIRQ8 */
+ sc520_mmcr->gp_int_map[9] = SC520_IRQ_DISABLED; /* disable GPIRQ9 */
+ sc520_mmcr->gp_int_map[2] = SC520_IRQ_DISABLED; /* disable GPIRQ2 */
+ sc520_mmcr->gp_int_map[10] = SC520_IRQ_DISABLED; /* disable GPIRQ10 */
+
+ sc520_mmcr->pcihostmap = 0x11f; /* Map PCI hostbridge INT to NMI */
+ sc520_mmcr->eccmap = 0x100; /* Map SDRAM ECC failure INT to NMI */
}
/* PCI stuff */
static void pci_sc520_spunk_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
{
- int version = read_mmcr_byte(SC520_SYSINFO);
+ int version = sc520_mmcr->sysinfo;
/* a configurable lists of irqs to steal
* when we need one (a board with more pci interrupt pins
* ?? Hyglo version 0.97 (small board)
* 10 Spunk board
*/
- int version = read_mmcr_byte(SC520_SYSINFO);
+ int version = sc520_mmcr->sysinfo;
if (version) {
/* set up the GP IO pins (for the Spunk board) */
- write_mmcr_word(SC520_PIOPFS31_16, 0xfff0); /* set the GPIO pin function 31-16 reg */
- write_mmcr_word(SC520_PIOPFS15_0, 0x000f); /* set the GPIO pin function 15-0 reg */
- write_mmcr_word(SC520_PIODIR31_16, 0x000f); /* set the GPIO direction 31-16 reg */
- write_mmcr_word(SC520_PIODIR15_0, 0x1ff0); /* set the GPIO direction 15-0 reg */
- write_mmcr_byte(SC520_CSPFS, 0xc0); /* set the CS pin function reg */
- write_mmcr_byte(SC520_CLKSEL, 0x70);
+ sc520_mmcr->piopfs31_16 = 0xfff0; /* set the GPIO pin function 31-16 reg */
+ sc520_mmcr->piopfs15_0 = 0x000f; /* set the GPIO pin function 15-0 reg */
+ sc520_mmcr->piodir31_16 = 0x000f; /* set the GPIO direction 31-16 reg */
+ sc520_mmcr->piodir15_0 = 0x1ff0; /* set the GPIO direction 15-0 reg */
+ sc520_mmcr->cspfs = 0xc0; /* set the CS pin function reg */
+ sc520_mmcr->clksel = 0x70;
- write_mmcr_word(SC520_PIOCLR31_16, 0x0003); /* reset SSI chip-selects */
- write_mmcr_word(SC520_PIOSET31_16, 0x000c);
+ sc520_mmcr->pioclr31_16 = 0x0003; /* reset SSI chip-selects */
+ sc520_mmcr->pioset31_16 = 0x000c;
} else {
/* set up the GP IO pins (for the Hyglo board) */
- write_mmcr_word(SC520_PIOPFS31_16, 0xffc0); /* set the GPIO pin function 31-16 reg */
- write_mmcr_word(SC520_PIOPFS15_0, 0x1e7f); /* set the GPIO pin function 15-0 reg */
- write_mmcr_word(SC520_PIODIR31_16, 0x003f); /* set the GPIO direction 31-16 reg */
- write_mmcr_word(SC520_PIODIR15_0, 0xe180); /* set the GPIO direction 15-0 reg */
- write_mmcr_byte(SC520_CSPFS, 0x00); /* set the CS pin function reg */
- write_mmcr_byte(SC520_CLKSEL, 0x70);
-
- write_mmcr_word(SC520_PIOCLR15_0, 0x0180); /* reset SSI chip-selects */
+ sc520_mmcr->piopfs31_16 = 0xffc0; /* set the GPIO pin function 31-16 reg */
+ sc520_mmcr->piopfs15_0 = 0x1e7f; /* set the GPIO pin function 15-0 reg */
+ sc520_mmcr->piodir31_16 = 0x003f; /* set the GPIO direction 31-16 reg */
+ sc520_mmcr->piodir15_0 = 0xe180; /* set the GPIO direction 15-0 reg */
+ sc520_mmcr->cspfs = 0x00; /* set the CS pin function reg */
+ sc520_mmcr->clksel = 0x70;
+
+ sc520_mmcr->pioclr15_0 = 0x0180; /* reset SSI chip-selects */
}
- 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_GPRDOFF, 1); /* set the GP RD offset */
- write_mmcr_byte(SC520_GPWRW, 3); /* set the GP WR pulse width */
- write_mmcr_byte(SC520_GPWROFF, 1); /* set the GP WR offset */
+ sc520_mmcr->gpcsrt = 1; /* set the GP CS offset */
+ sc520_mmcr->gpcspw = 3; /* set the GP CS pulse width */
+ sc520_mmcr->gpcsoff = 1; /* set the GP CS offset */
+ sc520_mmcr->gprdw = 3; /* set the RD pulse width */
+ sc520_mmcr->gprdoff = 1; /* set the GP RD offset */
+ sc520_mmcr->gpwrw = 3; /* set the GP WR pulse width */
+ sc520_mmcr->gpwroff = 1; /* set the GP WR offset */
- write_mmcr_word(SC520_BOOTCSCTL, 0x0407); /* set up timing of BOOTCS */
+ sc520_mmcr->bootcsctl = 0x0407; /* set up timing of BOOTCS */
/* adjust the memory map:
* by default the first 256MB (0x00000000 - 0x0fffffff) is mapped to SDRAM
/* bootcs */
- write_mmcr_long(SC520_PAR12, 0x8bffe800);
+ sc520_mmcr->par[12] = 0x8bffe800;
/* IDE0 = GPCS6 1f0-1f7 */
- write_mmcr_long(SC520_PAR3, 0x380801f0);
+ sc520_mmcr->par[3] = 0x380801f0;
/* IDE1 = GPCS7 3f6 */
- write_mmcr_long(SC520_PAR4, 0x3c0003f6);
+ sc520_mmcr->par[4] = 0x3c0003f6;
asm ("wbinvd\n"); /* Flush cache, req. after setting the unchached attribute ona PAR */
- write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) & ~(UART2_DIS|UART1_DIS));
+ sc520_mmcr->adddecctl = sc520_mmcr->adddecctl & ~(UART2_DIS|UART1_DIS);
}
printf ("setting PAR11 to %x\n", par);
/* Map rom 0x10000 with PAR1 */
- write_mmcr_long(SC520_PAR11, par);
+ sc520_mmcr->par[11] = par;
return bus_addr;
}
void isa_unmap_rom(u32 addr)
{
printf("isa_unmap_rom asked to unmap %x", addr);
- if ((addr>>12) == (read_mmcr_long(SC520_PAR11)&0x3ffff)) {
- write_mmcr_long(SC520_PAR11, 0);
+ if ((addr>>12) == (sc520_mmcr->par[11] & 0x3ffff)) {
+ sc520_mmcr->par[11] = 0;
printf(" done\n");
return;
}
printf ("setting PAR1 to %x\n", par);
/* Map rom 0x10000 with PAR1 */
- write_mmcr_long(SC520_PAR1, par);
+ sc520_mmcr->par[1] = par;
return PCI_ROM_TEMP_SPACE;
}
{
printf("pci_remove_rom_window: %x", addr);
if (addr == PCI_ROM_TEMP_SPACE) {
- write_mmcr_long(SC520_PAR1, 0);
+ sc520_mmcr->par[1] = 0;
printf(" done\n");
return;
}
int pci_enable_legacy_video_ports(struct pci_controller *hose)
{
/* Map video memory to 0xa0000*/
- write_mmcr_long(SC520_PAR0, 0x7200400a);
+ sc520_mmcr->par[0] = 0x7200400a;
/* forward all I/O accesses to PCI */
- write_mmcr_byte(SC520_ADDDECCTL,
- read_mmcr_byte(SC520_ADDDECCTL) | IO_HOLE_DEST_PCI);
+ sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | IO_HOLE_DEST_PCI;
/* so we map away all io ports to pci (only way to access pci io
*/
/* bring 0x100 - 0x2f7 back to ISA using PAR5 */
- write_mmcr_long(SC520_PAR5, 0x31f70100);
+ sc520_mmcr->par[5] = 0x31f70100;
/* com2 use 2f8-2ff */
/* bring 0x300 - 0x3af back to ISA using PAR7 */
- write_mmcr_long(SC520_PAR7, 0x30af0300);
+ sc520_mmcr->par[7] = 0x30af0300;
/* vga use 3b0-3bb */
/* bring 0x3bc - 0x3bf back to ISA using PAR8 */
- write_mmcr_long(SC520_PAR8, 0x300303bc);
+ sc520_mmcr->par[8] = 0x300303bc;
/* vga use 3c0-3df */
/* bring 0x3e0 - 0x3f7 back to ISA using PAR9 */
- write_mmcr_long(SC520_PAR9, 0x301703e0);
+ sc520_mmcr->par[9] = 0x301703e0;
/* com1 use 3f8-3ff */
irq_init();
/* max drive current on SDRAM */
- write_mmcr_word(SC520_DSCTL, 0x0100);
+ sc520_mmcr->dsctl = 0x0100;
/* enter debug mode after next reset (only if jumper is also set) */
- write_mmcr_byte(SC520_RESCFG, 0x08);
+ sc520_mmcr->rescfg = 0x08;
/* configure the software timer to 33.000MHz */
- write_mmcr_byte(SC520_SWTMRCFG, 1);
+ sc520_mmcr->swtmrcfg = 1;
gd->bus_clk = 33000000;
return 0;
void show_boot_progress(int val)
{
- int version = read_mmcr_byte(SC520_SYSINFO);
+ int version = sc520_mmcr->sysinfo;
if (val < -32) val = -1; /* let things compatible */
if (version == 0) {
/* PIO31-PIO16 Data */
- write_mmcr_word(SC520_PIODATA31_16,
- (read_mmcr_word(SC520_PIODATA31_16) & 0xffc0)| ((val&0x7e)>>1)); /* 0x1f8 >> 3 */
+ sc520_mmcr->piodata31_16 = (sc520_mmcr->piodata31_16 & 0xffc0) | ((val&0x7e)>>1); /* 0x1f8 >> 3 */
/* PIO0-PIO15 Data */
- write_mmcr_word(SC520_PIODATA15_0,
- (read_mmcr_word(SC520_PIODATA15_0) & 0x1fff)| ((val&0x7)<<13));
+ sc520_mmcr->piodata15_0 = (sc520_mmcr->piodata15_0 & 0x1fff)| ((val&0x7)<<13);
} else {
/* newer boards use PIO4-PIO12 */
/* PIO0-PIO15 Data */
#else
val = (val & 0x007) | ((val & 0x07e) << 2);
#endif
- write_mmcr_word(SC520_PIODATA15_0,
- (read_mmcr_word(SC520_PIODATA15_0) & 0xe00f) | ((val&0x01ff)<<4));
+ sc520_mmcr->piodata15_0 = (sc520_mmcr->piodata15_0 & 0xe00f) | ((val&0x01ff)<<4);
}
}
int last_stage_init(void)
{
- int version = read_mmcr_byte(SC520_SYSINFO);
+ int version = sc520_mmcr->sysinfo;
printf("Omicron Ceti SC520 Spunk revision %x\n", version);
void ssi_chip_select(int dev)
{
- int version = read_mmcr_byte(SC520_SYSINFO);
+ int version = sc520_mmcr->sysinfo;
if (version) {
/* Spunk board: EEPROM and CAN are actove-low, TEMP and AUX are active high */
switch (dev) {
case 1: /* EEPROM */
- write_mmcr_word(SC520_PIOCLR31_16, 0x0004);
+ sc520_mmcr->pioclr31_16 = 0x0004;
break;
case 2: /* Temp Probe */
- write_mmcr_word(SC520_PIOSET31_16, 0x0002);
+ sc520_mmcr->pioset31_16 = 0x0002;
break;
case 3: /* CAN */
- write_mmcr_word(SC520_PIOCLR31_16, 0x0008);
+ sc520_mmcr->pioclr31_16 = 0x0008;
break;
case 4: /* AUX */
- write_mmcr_word(SC520_PIOSET31_16, 0x0001);
+ sc520_mmcr->pioset31_16 = 0x0001;
break;
case 0:
- write_mmcr_word(SC520_PIOCLR31_16, 0x0003);
- write_mmcr_word(SC520_PIOSET31_16, 0x000c);
+ sc520_mmcr->pioclr31_16 = 0x0003;
+ sc520_mmcr->pioset31_16 = 0x000c;
break;
default:
switch (dev) {
case 1: /* EEPROM */
- write_mmcr_word(SC520_PIOSET15_0, 0x0100);
+ sc520_mmcr->pioset15_0 = 0x0100;
break;
case 2: /* Temp Probe */
- write_mmcr_word(SC520_PIOSET15_0, 0x0080);
+ sc520_mmcr->pioset15_0 = 0x0080;
break;
case 0:
- write_mmcr_word(SC520_PIOCLR15_0, 0x0180);
+ sc520_mmcr->pioclr15_0 = 0x0180;
break;
default:
void spi_init_f(void)
{
- read_mmcr_byte(SC520_SYSINFO) ?
- spi_eeprom_probe(1) :
- mw_eeprom_probe(1);
+ sc520_mmcr->sysinfo ? spi_eeprom_probe(1) : mw_eeprom_probe(1);
}
offset |= addr[i];
}
- return read_mmcr_byte(SC520_SYSINFO) ?
+ return sc520_mmcr->sysinfo ?
spi_eeprom_read(1, offset, buffer, len) :
mw_eeprom_read(1, offset, buffer, len);
}
offset |= addr[i];
}
- return read_mmcr_byte(SC520_SYSINFO) ?
+ return sc520_mmcr->sysinfo ?
spi_eeprom_write(1, offset, buffer, len) :
mw_eeprom_write(1, offset, buffer, len);
}
projects / karo-tx-uboot.git / blobdiff