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author | Graeme Russ <graeme.russ@gmail.com> | 2009-08-23 12:59:56 +1000 |
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committer | Wolfgang Denk <wd@denx.de> | 2009-09-04 21:56:45 +0200 |
commit | ed7a1b681de1e31d18d5b92e2767ae8df3241687 (patch) | |
tree | 9ff41a5e184dd262ff56c52a5274f513a380e8e2 /board/sc520_cdp/sc520_cdp.c | |
parent | 9b32f96b5b92ba13fdb4b5eb637734752235f260 (diff) | |
download | u-boot-imx-ed7a1b681de1e31d18d5b92e2767ae8df3241687.zip u-boot-imx-ed7a1b681de1e31d18d5b92e2767ae8df3241687.tar.gz u-boot-imx-ed7a1b681de1e31d18d5b92e2767ae8df3241687.tar.bz2 |
i386: Replace [read, write]_mmcr_[byte, word, long] with memory mapped structure
Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
Diffstat (limited to 'board/sc520_cdp/sc520_cdp.c')
-rw-r--r-- | board/sc520_cdp/sc520_cdp.c | 171 |
1 files changed, 84 insertions, 87 deletions
diff --git a/board/sc520_cdp/sc520_cdp.c b/board/sc520_cdp/sc520_cdp.c index 9cbe63e..9312f4f 100644 --- a/board/sc520_cdp/sc520_cdp.c +++ b/board/sc520_cdp/sc520_cdp.c @@ -58,61 +58,60 @@ 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_IRQ_DISABLED); /* disable Synchronius serial INT */ - 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 */ + 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_IRQ_DISABLED; /* disable Synchronius serial INT */ + 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 */ if (CONFIG_SYS_USE_SIO_UART) { - write_mmcr_byte(SC520_UART1MAP, SC520_IRQ_DISABLED); /* disable internal UART1 INT */ - write_mmcr_byte(SC520_UART2MAP, SC520_IRQ_DISABLED); /* disable internal UART2 INT */ - write_mmcr_byte(SC520_GP3IMAP, SC520_IRQ3); /* Set GPIRQ3 (ISA IRQ3) to IRQ3 */ - write_mmcr_byte(SC520_GP4IMAP, SC520_IRQ4); /* Set GPIRQ4 (ISA IRQ4) to IRQ4 */ + sc520_mmcr->uart_int_map[0] = SC520_IRQ_DISABLED; /* disable internal UART1 INT */ + sc520_mmcr->uart_int_map[1] = SC520_IRQ_DISABLED; /* disable internal UART2 INT */ + sc520_mmcr->gp_int_map[3] = SC520_IRQ3; /* Set GPIRQ3 (ISA IRQ3) to IRQ3 */ + sc520_mmcr->gp_int_map[4] = SC520_IRQ4; /* Set GPIRQ4 (ISA IRQ4) to IRQ4 */ } else { - 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_GP3IMAP, SC520_IRQ_DISABLED); /* disable GPIRQ3 (ISA IRQ3) */ - write_mmcr_byte(SC520_GP4IMAP, SC520_IRQ_DISABLED); /* disable GPIRQ4 (ISA IRQ4) */ + sc520_mmcr->uart_int_map[0] = SC520_IRQ4; /* Set internal UART2 INT to IRQ4 */ + sc520_mmcr->uart_int_map[1] = SC520_IRQ3; /* Set internal UART2 INT to IRQ3 */ + sc520_mmcr->gp_int_map[3] = SC520_IRQ_DISABLED; /* disable GPIRQ3 (ISA IRQ3) */ + sc520_mmcr->gp_int_map[4] = SC520_IRQ_DISABLED; /* disable GPIRQ4 (ISA IRQ4) */ } - write_mmcr_byte(SC520_GP1IMAP, SC520_IRQ1); /* Set GPIRQ1 (SIO IRQ1) to IRQ1 */ - write_mmcr_byte(SC520_GP5IMAP, SC520_IRQ5); /* Set GPIRQ5 (ISA IRQ5) to IRQ5 */ - write_mmcr_byte(SC520_GP6IMAP, SC520_IRQ6); /* Set GPIRQ6 (ISA IRQ6) to IRQ6 */ - write_mmcr_byte(SC520_GP7IMAP, SC520_IRQ7); /* Set GPIRQ7 (ISA IRQ7) to IRQ7 */ - write_mmcr_byte(SC520_GP8IMAP, SC520_IRQ8); /* Set GPIRQ8 (SIO IRQ8) to IRQ8 */ - write_mmcr_byte(SC520_GP9IMAP, SC520_IRQ9); /* Set GPIRQ9 (ISA IRQ2) to IRQ9 */ - write_mmcr_byte(SC520_GP0IMAP, SC520_IRQ11); /* Set GPIRQ0 (ISA IRQ11) to IRQ10 */ - write_mmcr_byte(SC520_GP2IMAP, SC520_IRQ12); /* Set GPIRQ2 (ISA IRQ12) to IRQ12 */ - write_mmcr_byte(SC520_GP10IMAP,SC520_IRQ14); /* Set GPIRQ10 (ISA IRQ14) to IRQ14 */ - - 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_int_map[1] = SC520_IRQ1; /* Set GPIRQ1 (SIO IRQ1) to IRQ1 */ + sc520_mmcr->gp_int_map[5] = SC520_IRQ5; /* Set GPIRQ5 (ISA IRQ5) to IRQ5 */ + sc520_mmcr->gp_int_map[6] = SC520_IRQ6; /* Set GPIRQ6 (ISA IRQ6) to IRQ6 */ + sc520_mmcr->gp_int_map[7] = SC520_IRQ7; /* Set GPIRQ7 (ISA IRQ7) to IRQ7 */ + sc520_mmcr->gp_int_map[8] = SC520_IRQ8; /* Set GPIRQ8 (SIO IRQ8) to IRQ8 */ + sc520_mmcr->gp_int_map[9] = SC520_IRQ9; /* Set GPIRQ9 (ISA IRQ2) to IRQ9 */ + sc520_mmcr->gp_int_map[0] = SC520_IRQ11; /* Set GPIRQ0 (ISA IRQ11) to IRQ10 */ + sc520_mmcr->gp_int_map[2] = SC520_IRQ12; /* Set GPIRQ2 (ISA IRQ12) to IRQ12 */ + sc520_mmcr->gp_int_map[10] = SC520_IRQ14; /* Set GPIRQ10 (ISA IRQ14) to IRQ14 */ + + sc520_mmcr->pcihostmap = 0x11f; /* Map PCI hostbridge INT to NMI */ + sc520_mmcr->eccmap = 0x100; /* Map SDRAM ECC failure INT to NMI */ } #ifdef CONFIG_PCI @@ -235,23 +234,22 @@ static void bus_init(void) { /* 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_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_CLKSEL, 0x70); - - - 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 */ - - 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 */ + sc520_mmcr->piopfs31_16 = 0xf7ff; /* set the GPIO pin function 31-16 reg */ + sc520_mmcr->piopfs15_0 = 0xffff; /* set the GPIO pin function 15-0 reg */ + sc520_mmcr->cspfs = 0xf8; /* set the CS pin function reg */ + sc520_mmcr->clksel = 0x70; + + 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 */ + + sc520_mmcr->bootcsctl = 0x1823; /* set up timing of BOOTCS */ + sc520_mmcr->romcs1ctl = 0x1823; /* set up timing of ROMCS1 */ + sc520_mmcr->romcs2ctl = 0x1823; /* set up timing of ROMCS2 */ /* adjust the memory map: * by default the first 256MB (0x00000000 - 0x0fffffff) is mapped to SDRAM @@ -260,31 +258,31 @@ static void bus_init(void) /* SRAM = GPCS3 128k @ d0000-effff*/ - write_mmcr_long(SC520_PAR2, 0x4e00400d); + sc520_mmcr->par[2] = 0x4e00400d; /* 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; /* bootcs */ - write_mmcr_long(SC520_PAR12, 0x8bffe800); + sc520_mmcr->par[12] = 0x8bffe800; /* romcs2 */ - write_mmcr_long(SC520_PAR13, 0xcbfff000); + sc520_mmcr->par[13] = 0xcbfff000; /* romcs1 */ - write_mmcr_long(SC520_PAR14, 0xabfff800); + sc520_mmcr->par[14] = 0xabfff800; /* 680 LEDS */ - write_mmcr_long(SC520_PAR15, 0x30000640); + sc520_mmcr->par[15] = 0x30000640; - write_mmcr_byte(SC520_ADDDECCTL, 0); + sc520_mmcr->adddecctl = 0; asm ("wbinvd\n"); /* Flush cache, req. after setting the unchached attribute ona PAR */ if (CONFIG_SYS_USE_SIO_UART) { - write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) | UART2_DIS|UART1_DIS); + sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | UART2_DIS | UART1_DIS; setup_ali_sio(1); } else { - write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) & ~(UART2_DIS|UART1_DIS)); + sc520_mmcr->adddecctl = sc520_mmcr->adddecctl & ~(UART2_DIS|UART1_DIS); setup_ali_sio(0); silence_uart(0x3e8); silence_uart(0x2e8); @@ -352,7 +350,7 @@ 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; } @@ -364,8 +362,8 @@ 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; } @@ -401,7 +399,7 @@ 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; } @@ -414,7 +412,7 @@ 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; } @@ -432,11 +430,10 @@ 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 @@ -446,32 +443,32 @@ int pci_enable_legacy_video_ports(struct pci_controller *hose) */ /* bring 0x100 - 0x1ef back to ISA using PAR5 */ - write_mmcr_long(SC520_PAR5, 0x30ef0100); + sc520_mmcr->par[5] = 0x30ef0100; /* IDE use 1f0-1f7 */ /* bring 0x1f8 - 0x2f7 back to ISA using PAR6 */ - write_mmcr_long(SC520_PAR6, 0x30ff01f8); + sc520_mmcr->par[6] = 0x30ff01f8; /* 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 - 0x3f5 back to ISA using PAR9 */ - write_mmcr_long(SC520_PAR9, 0x301503e0); + sc520_mmcr->par[9] = 0x301503e0; /* ide use 3f6 */ /* bring 0x3f7 back to ISA using PAR10 */ - write_mmcr_long(SC520_PAR10, 0x300003f7); + sc520_mmcr->par[10] = 0x300003f7; /* com1 use 3f8-3ff */ @@ -490,12 +487,12 @@ 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 33.333MHz */ - write_mmcr_byte(SC520_SWTMRCFG, 0); + sc520_mmcr->swtmrcfg = 0; gd->bus_clk = 33333000; return 0; |