diff options
Diffstat (limited to 'board/sc520_spunk')
-rw-r--r-- | board/sc520_spunk/sc520_spunk.c | 211 |
1 files changed, 103 insertions, 108 deletions
diff --git a/board/sc520_spunk/sc520_spunk.c b/board/sc520_spunk/sc520_spunk.c index 36a0a8e..dbb5c48 100644 --- a/board/sc520_spunk/sc520_spunk.c +++ b/board/sc520_spunk/sc520_spunk.c @@ -47,53 +47,54 @@ DECLARE_GLOBAL_DATA_PTR; 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 */ } @@ -101,7 +102,7 @@ static void irq_init(void) /* 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 @@ -255,41 +256,41 @@ static void bus_init(void) * ?? 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 @@ -298,17 +299,17 @@ static void bus_init(void) /* 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); } @@ -361,7 +362,7 @@ u32 isa_map_rom(u32 bus_addr, int size) 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; } @@ -373,8 +374,8 @@ u32 isa_map_rom(u32 bus_addr, int size) 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; } @@ -410,7 +411,7 @@ u32 pci_get_rom_window(struct pci_controller *hose, int size) 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; } @@ -423,7 +424,7 @@ void pci_remove_rom_window(struct pci_controller *hose, u32 addr) { 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; } @@ -441,11 +442,10 @@ void pci_remove_rom_window(struct pci_controller *hose, u32 addr) 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 @@ -455,22 +455,22 @@ int pci_enable_legacy_video_ports(struct pci_controller *hose) */ /* 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 */ @@ -489,12 +489,12 @@ int board_init(void) 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; @@ -508,17 +508,15 @@ int dram_init(void) 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 */ @@ -527,8 +525,7 @@ void show_boot_progress(int val) #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); } } @@ -536,7 +533,7 @@ void show_boot_progress(int val) 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); @@ -587,30 +584,30 @@ int last_stage_init(void) 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: @@ -622,15 +619,15 @@ void ssi_chip_select(int dev) 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: @@ -669,9 +666,7 @@ int mw_eeprom_write(int x, int offset, uchar *buffer, int len) 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); } @@ -686,7 +681,7 @@ ssize_t spi_read(uchar *addr, int alen, uchar *buffer, int len) 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); } @@ -702,7 +697,7 @@ ssize_t spi_write(uchar *addr, int alen, uchar *buffer, int 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); } |