From 64a0a4995e79ef9813bb51d5f1ff35ae5dabfc7e Mon Sep 17 00:00:00 2001 From: Graeme Russ Date: Sat, 24 Apr 2010 00:05:37 +1000 Subject: x86: Fix MMCR Access Change sc520 MMCR Access to use memory accessor functions Signed-off-by: Graeme Russ --- board/eNET/eNET.c | 86 +++++++++++++++++++++++++++---------------------------- 1 file changed, 43 insertions(+), 43 deletions(-) (limited to 'board') diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c index 6d0b15a..f794beb 100644 --- a/board/eNET/eNET.c +++ b/board/eNET/eNET.c @@ -46,7 +46,7 @@ unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN; void init_sc520_enet (void) { /* Set CPU Speed to 100MHz */ - sc520_mmcr->cpuctl = 0x01; + writeb(0x01, &sc520_mmcr->cpuctl); /* wait at least one millisecond */ asm("movl $0x2000,%%ecx\n" @@ -55,7 +55,7 @@ void init_sc520_enet (void) "loop 0b\n": : : "ecx"); /* turn on the SDRAM write buffer */ - sc520_mmcr->dbctl = 0x11; + writeb(0x11, &sc520_mmcr->dbctl); /* turn on the cache and disable write through */ asm("movl %%cr0, %%eax\n" @@ -70,51 +70,51 @@ int board_early_init_f(void) { init_sc520_enet(); - sc520_mmcr->gpcsrt = 0x01; /* GP Chip Select Recovery Time */ - sc520_mmcr->gpcspw = 0x07; /* GP Chip Select Pulse Width */ - sc520_mmcr->gpcsoff = 0x00; /* GP Chip Select Offset */ - sc520_mmcr->gprdw = 0x05; /* GP Read pulse width */ - sc520_mmcr->gprdoff = 0x01; /* GP Read offset */ - sc520_mmcr->gpwrw = 0x05; /* GP Write pulse width */ - sc520_mmcr->gpwroff = 0x01; /* GP Write offset */ - - sc520_mmcr->piodata15_0 = 0x0630; /* PIO15_PIO0 Data */ - sc520_mmcr->piodata31_16 = 0x2000; /* PIO31_PIO16 Data */ - sc520_mmcr->piodir31_16 = 0x2000; /* GPIO Direction */ - sc520_mmcr->piodir15_0 = 0x87b5; /* GPIO Direction */ - sc520_mmcr->piopfs31_16 = 0x0dfe; /* GPIO pin function 31-16 reg */ - sc520_mmcr->piopfs15_0 = 0x200a; /* GPIO pin function 15-0 reg */ - sc520_mmcr->cspfs = 0x00f8; /* Chip Select Pin Function Select */ - - sc520_mmcr->par[2] = 0x200713f8; /* Uart A (GPCS0, 0x013f8, 8 Bytes) */ - sc520_mmcr->par[3] = 0x2c0712f8; /* Uart B (GPCS3, 0x012f8, 8 Bytes) */ - sc520_mmcr->par[4] = 0x300711f8; /* Uart C (GPCS4, 0x011f8, 8 Bytes) */ - sc520_mmcr->par[5] = 0x340710f8; /* Uart D (GPCS5, 0x010f8, 8 Bytes) */ - sc520_mmcr->par[6] = 0xe3ffc000; /* SDRAM (0x00000000, 128MB) */ - sc520_mmcr->par[7] = 0xaa3fd000; /* StrataFlash (ROMCS1, 0x10000000, 16MB) */ - sc520_mmcr->par[8] = 0xca3fd100; /* StrataFlash (ROMCS2, 0x11000000, 16MB) */ - sc520_mmcr->par[9] = 0x4203d900; /* SRAM (GPCS0, 0x19000000, 1MB) */ - sc520_mmcr->par[10] = 0x4e03d910; /* SRAM (GPCS3, 0x19100000, 1MB) */ - sc520_mmcr->par[11] = 0x50018100; /* DP-RAM (GPCS4, 0x18100000, 4kB) */ - sc520_mmcr->par[12] = 0x54020000; /* CFLASH1 (0x200000000, 4kB) */ - sc520_mmcr->par[13] = 0x5c020001; /* CFLASH2 (0x200010000, 4kB) */ -/* sc520_mmcr->par14 = 0x8bfff800; */ /* BOOTCS at 0x18000000 */ -/* sc520_mmcr->par15 = 0x38201000; */ /* LEDs etc (GPCS6, 0x1000, 20 Bytes */ + writeb(0x01, &sc520_mmcr->gpcsrt); /* GP Chip Select Recovery Time */ + writeb(0x07, &sc520_mmcr->gpcspw); /* GP Chip Select Pulse Width */ + writeb(0x00, &sc520_mmcr->gpcsoff); /* GP Chip Select Offset */ + writeb(0x05, &sc520_mmcr->gprdw); /* GP Read pulse width */ + writeb(0x01, &sc520_mmcr->gprdoff); /* GP Read offset */ + writeb(0x05, &sc520_mmcr->gpwrw); /* GP Write pulse width */ + writeb(0x01, &sc520_mmcr->gpwroff); /* GP Write offset */ + + writew(0x0630, &sc520_mmcr->piodata15_0); /* PIO15_PIO0 Data */ + writew(0x2000, &sc520_mmcr->piodata31_16); /* PIO31_PIO16 Data */ + writew(0x2000, &sc520_mmcr->piodir31_16); /* GPIO Direction */ + writew(0x87b5, &sc520_mmcr->piodir15_0); /* GPIO Direction */ + writew(0x0dfe, &sc520_mmcr->piopfs31_16); /* GPIO pin function 31-16 reg */ + writew(0x200a, &sc520_mmcr->piopfs15_0); /* GPIO pin function 15-0 reg */ + writeb(0xf8, &sc520_mmcr->cspfs); /* Chip Select Pin Function Select */ + + writel(0x200713f8, &sc520_mmcr->par[2]); /* Uart A (GPCS0, 0x013f8, 8 Bytes) */ + writel(0x2c0712f8, &sc520_mmcr->par[3]); /* Uart B (GPCS3, 0x012f8, 8 Bytes) */ + writel(0x300711f8, &sc520_mmcr->par[4]); /* Uart C (GPCS4, 0x011f8, 8 Bytes) */ + writel(0x340710f8, &sc520_mmcr->par[5]); /* Uart D (GPCS5, 0x010f8, 8 Bytes) */ + writel(0xe3ffc000, &sc520_mmcr->par[6]); /* SDRAM (0x00000000, 128MB) */ + writel(0xaa3fd000, &sc520_mmcr->par[7]); /* StrataFlash (ROMCS1, 0x10000000, 16MB) */ + writel(0xca3fd100, &sc520_mmcr->par[8]); /* StrataFlash (ROMCS2, 0x11000000, 16MB) */ + writel(0x4203d900, &sc520_mmcr->par[9]); /* SRAM (GPCS0, 0x19000000, 1MB) */ + writel(0x4e03d910, &sc520_mmcr->par[10]); /* SRAM (GPCS3, 0x19100000, 1MB) */ + writel(0x50018100, &sc520_mmcr->par[11]); /* DP-RAM (GPCS4, 0x18100000, 4kB) */ + writel(0x54020000, &sc520_mmcr->par[12]); /* CFLASH1 (0x200000000, 4kB) */ + writel(0x5c020001, &sc520_mmcr->par[13]); /* CFLASH2 (0x200010000, 4kB) */ +/* writel(0x8bfff800, &sc520_mmcr->par14); */ /* BOOTCS at 0x18000000 */ +/* writel(0x38201000, &sc520_mmcr->par15); */ /* LEDs etc (GPCS6, 0x1000, 20 Bytes */ /* Disable Watchdog */ - sc520_mmcr->wdtmrctl = 0x3333; - sc520_mmcr->wdtmrctl = 0xcccc; - sc520_mmcr->wdtmrctl = 0x0000; + writew(0x3333, &sc520_mmcr->wdtmrctl); + writew(0xcccc, &sc520_mmcr->wdtmrctl); + writew(0x0000, &sc520_mmcr->wdtmrctl); /* Chip Select Configuration */ - sc520_mmcr->bootcsctl = 0x0033; - sc520_mmcr->romcs1ctl = 0x0615; - sc520_mmcr->romcs2ctl = 0x0615; - - sc520_mmcr->adddecctl = 0x02; - sc520_mmcr->uart1ctl = 0x07; - sc520_mmcr->sysarbctl = 0x06; - sc520_mmcr->sysarbmenb = 0x0003; + writew(0x0033, &sc520_mmcr->bootcsctl); + writew(0x0615, &sc520_mmcr->romcs1ctl); + writew(0x0615, &sc520_mmcr->romcs2ctl); + + writeb(0x02, &sc520_mmcr->adddecctl); + writeb(0x07, &sc520_mmcr->uart1ctl); + writeb(0x06, &sc520_mmcr->sysarbctl); + writew(0x0003, &sc520_mmcr->sysarbmenb); return 0; } -- cgit v1.1