diff options
Diffstat (limited to 'board/eNET')
-rw-r--r-- | board/eNET/eNET.c | 104 | ||||
-rw-r--r-- | board/eNET/eNET_start16.S | 5 |
2 files changed, 63 insertions, 46 deletions
diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c index 3b74ce9..546406a 100644 --- a/board/eNET/eNET.c +++ b/board/eNET/eNET.c @@ -53,36 +53,57 @@ static void enet_toggle_run_led(void); */ int board_early_init_f(void) { - 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 */ + u16 pio_out_cfg = 0x0000; + + /* Configure General Purpose Bus timing */ + writeb(CONFIG_SYS_SC520_GPCSRT, &sc520_mmcr->gpcsrt); + writeb(CONFIG_SYS_SC520_GPCSPW, &sc520_mmcr->gpcspw); + writeb(CONFIG_SYS_SC520_GPCSOFF, &sc520_mmcr->gpcsoff); + writeb(CONFIG_SYS_SC520_GPRDW, &sc520_mmcr->gprdw); + writeb(CONFIG_SYS_SC520_GPRDOFF, &sc520_mmcr->gprdoff); + writeb(CONFIG_SYS_SC520_GPWRW, &sc520_mmcr->gpwrw); + writeb(CONFIG_SYS_SC520_GPWROFF, &sc520_mmcr->gpwroff); + + /* Configure Programmable Input/Output Pins */ + writew(CONFIG_SYS_SC520_PIODIR15_0, &sc520_mmcr->piodir15_0); + writew(CONFIG_SYS_SC520_PIODIR31_16, &sc520_mmcr->piodir31_16); + writew(CONFIG_SYS_SC520_PIOPFS31_16, &sc520_mmcr->piopfs31_16); + writew(CONFIG_SYS_SC520_PIOPFS15_0, &sc520_mmcr->piopfs15_0); + writeb(CONFIG_SYS_SC520_CSPFS, &sc520_mmcr->cspfs); + writeb(CONFIG_SYS_SC520_CLKSEL, &sc520_mmcr->clksel); + + /* + * Turn off top board + * Set StrataFlash chips to 16-bit width + * Set StrataFlash chips to normal (non reset/power down) mode + */ + pio_out_cfg |= CONFIG_SYS_ENET_TOP_BRD_PWR; + pio_out_cfg |= CONFIG_SYS_ENET_SF_WIDTH; + pio_out_cfg |= CONFIG_SYS_ENET_SF1_MODE; + pio_out_cfg |= CONFIG_SYS_ENET_SF2_MODE; + writew(pio_out_cfg, &sc520_mmcr->pioset15_0); + + /* Turn off auxiliary power output */ + writew(CONFIG_SYS_ENET_AUX_PWR, &sc520_mmcr->pioclr15_0); + + /* Clear FPGA program mode */ + writew(CONFIG_SYS_ENET_FPGA_PROG, &sc520_mmcr->pioset31_16); + + /* Configure Programmable Address Regions */ + writel(CONFIG_SYS_SC520_UARTA_PAR, &sc520_mmcr->par[2]); + writel(CONFIG_SYS_SC520_UARTB_PAR, &sc520_mmcr->par[3]); + writel(CONFIG_SYS_SC520_UARTC_PAR, &sc520_mmcr->par[4]); + writel(CONFIG_SYS_SC520_UARTD_PAR, &sc520_mmcr->par[5]); + writel(CONFIG_SYS_SC520_SDRAM_PAR, &sc520_mmcr->par[6]); + writel(CONFIG_SYS_SC520_SF1_PAR, &sc520_mmcr->par[7]); + writel(CONFIG_SYS_SC520_SF2_PAR, &sc520_mmcr->par[8]); + writel(CONFIG_SYS_SC520_SRAM1_PAR, &sc520_mmcr->par[9]); + writel(CONFIG_SYS_SC520_SRAM2_PAR, &sc520_mmcr->par[10]); + writel(CONFIG_SYS_SC520_DPRAM_PAR, &sc520_mmcr->par[11]); + writel(CONFIG_SYS_SC520_CF1_PAR, &sc520_mmcr->par[12]); + writel(CONFIG_SYS_SC520_CF2_PAR, &sc520_mmcr->par[13]); +/* writel(CONFIG_SYS_SC520_BOOTCS_PAR, &sc520_mmcr->par14); */ +/* writel(CONFIG_SYS_SC520_LLIO_PAR, &sc520_mmcr->par15); */ /* Disable Watchdog */ writew(0x3333, &sc520_mmcr->wdtmrctl); @@ -90,24 +111,19 @@ int board_early_init_f(void) writew(0x0000, &sc520_mmcr->wdtmrctl); /* Chip Select Configuration */ - writew(0x0033, &sc520_mmcr->bootcsctl); - writew(0x0615, &sc520_mmcr->romcs1ctl); - writew(0x0615, &sc520_mmcr->romcs2ctl); + writew(CONFIG_SYS_SC520_BOOTCS_CTRL, &sc520_mmcr->bootcsctl); + writew(CONFIG_SYS_SC520_ROMCS1_CTRL, &sc520_mmcr->romcs1ctl); + writew(CONFIG_SYS_SC520_ROMCS2_CTRL, &sc520_mmcr->romcs2ctl); - /* - * Set the timer pin mapping - * no clock frequency selected, use 1.1892MHz - */ - writeb(0x72, &sc520_mmcr->clksel); + writeb(CONFIG_SYS_SC520_ADDDECCTL, &sc520_mmcr->adddecctl); + writeb(CONFIG_SYS_SC520_UART1CTL, &sc520_mmcr->uart1ctl); + writeb(CONFIG_SYS_SC520_UART2CTL, &sc520_mmcr->uart2ctl); - writeb(0x00, &sc520_mmcr->adddecctl); - writeb(0x07, &sc520_mmcr->uart1ctl); - writeb(0x07, &sc520_mmcr->uart2ctl); - writeb(0x06, &sc520_mmcr->sysarbctl); - writew(0x0003, &sc520_mmcr->sysarbmenb); + writeb(CONFIG_SYS_SC520_SYSARBCTL, &sc520_mmcr->sysarbctl); + writew(CONFIG_SYS_SC520_SYSARBMENB, &sc520_mmcr->sysarbmenb); /* enable posted-writes */ - writeb(0x04, &sc520_mmcr->hbctl); + writeb(CONFIG_SYS_SC520_HBCTL, &sc520_mmcr->hbctl); return 0; } diff --git a/board/eNET/eNET_start16.S b/board/eNET/eNET_start16.S index 183309c..4835936 100644 --- a/board/eNET/eNET_start16.S +++ b/board/eNET/eNET_start16.S @@ -29,6 +29,7 @@ /* #include <asm/ic/sc520_defs.h> */ +#include "config.h" #include "hardware.h" #include <asm/ic/sc520.h> @@ -48,12 +49,12 @@ board_init16: /* Map PAR for Boot Flash (BOOTCS, 512kB @ 0x380000000) */ movl $(SC520_PAR14 - SC520_MMCR_BASE), %edi - movl $0x8bfff800, %eax /* TODO: Check this */ + movl $CONFIG_SYS_SC520_BOOTCS_PAR, %eax movl %eax, (%di) /* Map PAR for LED, Hex Switches (GPCS6, 20 Bytes @ 0x1000) */ movl $(SC520_PAR15 - SC520_MMCR_BASE), %edi - movl $0x38201000, %eax + movl $CONFIG_SYS_SC520_LLIO_PAR, %eax movl %eax, (%di) /* Disable SDRAM write buffer */ |