diff options
Diffstat (limited to 'board/netstar')
| -rw-r--r-- | board/netstar/crcek.S | 80 | ||||
| -rw-r--r-- | board/netstar/crcit.c | 2 | ||||
| -rw-r--r-- | board/netstar/eeprom.c | 1 | ||||
| -rw-r--r-- | board/netstar/nand.c | 5 | ||||
| -rw-r--r-- | board/netstar/netstar.c | 6 | ||||
| -rw-r--r-- | board/netstar/setup.S | 47 |
6 files changed, 100 insertions, 41 deletions
diff --git a/board/netstar/crcek.S b/board/netstar/crcek.S index 6ca4d11df8..8726cc9874 100644 --- a/board/netstar/crcek.S +++ b/board/netstar/crcek.S @@ -13,6 +13,7 @@ * u32 - crc32 */ +#include <config.h> #include "crcek.h" /** @@ -39,7 +40,7 @@ .macro crcuj, offset, size mov r0, #0 ldr r1, \offset - ldr r2, [r1] + ldr r2, [r1], #4 cmp r2, r0 @ no data, no problem beq 2f tst r2, #3 @ unaligned size @@ -47,7 +48,6 @@ ldr r3, \size cmp r2, r3 @ bogus size bhi 2f - add r1, r1, #4 do_crc32 ldr r1, [r1] 2: @@ -55,16 +55,71 @@ .endm .macro wait, reg - mov \reg, #0x1000 + mov \reg, #0x100000 3: subs \reg, \reg, #0x1 bne 3b - .endm + .text .globl crcek crcek: - b crc2_bad + /* Enable I-cache */ + mrc p15, 0, r1, c0, c0, 0 @ read C15 ID register + mrc p15, 0, r1, c0, c0, 1 @ read C15 Cache information register + mrc p15, 0, r1, c1, c0, 0 @ read C15 Control register + orr r1, r1, #0x1000 @ enable I-cache, map interrupt vector 0xffff0000 + mcr p15, 0, r1, c1, c0, 0 @ write C15 Control register + mov r1, #0x00 + mcr p15, 0, r1, c7, c5, 0 @ Flush I-cache + nop + nop + nop + nop + + /* Setup clocking mode */ + ldr r0, MPU_CLKM_BASE @ base of CLOCK unit + ldrh r1, [r0, #0x18] @ ARM_SYST - get reset status + bic r1, r1, #(7 << 11) @ clear clock select + orr r1, r1, #(2 << 11) @ set synchronous scalable + mov r2, #0 +loop: + cmp r2, #1 @ this loop will wait for at least 100 cycles + streqh r1, [r0, #0x18] @ before issuing next request from MPU + add r2, r2, #1 @ on the 1st run code is loaded into I-cache + cmp r2, #16 @ and second run will set clocking mode + bne loop + nop + + /* Setup clock dividers */ + ldr r1, CKCTL_VAL + orr r1, r1, #0x2000 @ enable DSP clock + strh r1, [r0] @ setup clock divisors + + /* Setup DPLL to generate requested freq */ + ldr r0, DPLL1_BASE @ base of DPLL1 register + mov r1, #0x0010 @ set PLL_ENABLE + orr r1, r1, #0x2000 @ set IOB to new locking + orr r1, r1, #(OMAP5910_DPLL_MUL << 7) @ setup multiplier CLKREF + orr r1, r1, #(OMAP5910_DPLL_DIV << 5) @ setup divider CLKREF + strh r1, [r0] @ write + +locking: + ldrh r1, [r0] @ get DPLL value + tst r1, #0x01 + beq locking @ while LOCK not set + + /* Enable clock */ + ldr r0, MPU_CLKM_BASE @ base of CLOCK unit + mov r1, #(1 << 10) @ disable idle mode do not check + @ nWAKEUP pin, other remain active + strh r1, [r0, #0x04] + ldr r1, EN_CLK_VAL + strh r1, [r0, #0x08] + mov r1, #0x003f @ FLASH.RP not enabled in idle and + strh r1, [r0, #0x0c] @ max delayed ( 32 x CLKIN ) + + mov r6, #0 crcuj _LOADER1_OFFSET, _LOADER_SIZE bne crc1_bad @@ -76,9 +131,8 @@ crc1_bad: crc2_bad: ldr r3, _LOADER1_OFFSET ldr r4, _LOADER2_OFFSET - b boot_2nd - tst r6, #3 - beq one_is_bad @ one of them (or both) has bad crc + teq r6, #3 + bne one_is_bad @ one of them (or both) has bad crc ldr r1, [r3, #4] ldr r2, [r4, #4] cmp r1, r2 @ boot 2nd loader if versions differ @@ -90,6 +144,7 @@ one_is_bad: tst r6, #2 bne boot_2nd @ We are doomed, so let user know. +hell: ldr r0, GPIO_BASE @ configure GPIO pins ldr r1, GPIO_DIRECTION strh r1, [r0, #0x08] @@ -171,6 +226,15 @@ CRC32_TABLE: GPIO_BASE: .word 0xfffce000 +MPU_CLKM_BASE: + .word 0xfffece00 +DPLL1_BASE: + .word 0xfffecf00 + +CKCTL_VAL: + .word OMAP5910_ARM_CKCTL +EN_CLK_VAL: + .word OMAP5910_ARM_EN_CLK GPIO_DIRECTION: .word 0x0000ffe7 diff --git a/board/netstar/crcit.c b/board/netstar/crcit.c index f6d3066c15..ce98e20267 100644 --- a/board/netstar/crcit.c +++ b/board/netstar/crcit.c @@ -77,7 +77,7 @@ int main(int argc, char **argv) } else if ((argc == 4) && (strcmp(argv[1], "-v") == 0)) { char *endptr, *nptr = argv[2]; unsigned ver = strtoul(nptr, &endptr, 0); - if (nptr != '\0' && endptr == '\0') + if (*nptr != '\0' && *endptr == '\0') return doit(argv[3], ver); } fprintf(stderr, "Usage: crcit [-v version] <image>\n"); diff --git a/board/netstar/eeprom.c b/board/netstar/eeprom.c index fef3822aae..c7ff79b909 100644 --- a/board/netstar/eeprom.c +++ b/board/netstar/eeprom.c @@ -213,3 +213,4 @@ int eeprom(int argc, char *argv[]) return 0; } + diff --git a/board/netstar/nand.c b/board/netstar/nand.c index f470c1a01e..4ce6ca1128 100644 --- a/board/netstar/nand.c +++ b/board/netstar/nand.c @@ -57,10 +57,11 @@ static int netstar_nand_ready(struct mtd_info *mtd) void board_nand_init(struct nand_chip *nand) { - nand->options = NAND_SAMSUNG_LP_OPTIONS; + nand->options = NAND_SAMSUNG_LP_OPTIONS; nand->eccmode = NAND_ECC_SOFT; - nand->hwcontrol = netstar_nand_hwcontrol; + nand->hwcontrol = netstar_nand_hwcontrol; /* nand->dev_ready = netstar_nand_ready; */ nand->chip_delay = 18; } #endif + diff --git a/board/netstar/netstar.c b/board/netstar/netstar.c index 4b7eba125e..331e092c26 100644 --- a/board/netstar/netstar.c +++ b/board/netstar/netstar.c @@ -27,7 +27,6 @@ DECLARE_GLOBAL_DATA_PTR; int board_init(void) { /* arch number of NetStar board */ - /* TODO: use define from asm/mach-types.h */ gd->bd->bi_arch_number = 692; /* adress of boot parameters */ @@ -51,16 +50,13 @@ int dram_init(void) return 0; } -extern void partition_flash(void); - int misc_init_r(void) { return 0; } -extern void nand_init(void); - int board_late_init(void) { return 0; } + diff --git a/board/netstar/setup.S b/board/netstar/setup.S index f67786d182..68747c9adb 100644 --- a/board/netstar/setup.S +++ b/board/netstar/setup.S @@ -58,10 +58,10 @@ VAL_EMIFF_SDRAM_CONFIG: .word ((0 << 0) | (0 << 1) | (3 << 2) | (0xf << 4) | (0 VAL_EMIFF_SDRAM_CONFIG: .word ((0 << 0) | (0 << 1) | (3 << 2) | (0xd << 4) | (0x246 << 8) | (0 << 24) | (0 << 26) | (0 << 27)) #endif -VAL_EMIFF_SDRAM_CONFIG2: .word 0x00000003 +VAL_EMIFF_SDRAM_CONFIG2: .word 0x00000003 VAL_EMIFF_MRS: .word 0x00000037 -/* +/* * GPIO04 - Green LED (Red LED is connected to LED Pulse Generator) * GPIO07 - LAN91C111 reset */ @@ -106,7 +106,7 @@ MUX_CONFIG_OFFSETS: .align 1 .byte 0x00 @ FUNC_MUX_CTRL_0 .byte 0x04 @ FUNC_MUX_CTRL_1 - .byte 0x08 @ FUNC_MUX_CTRL_2 + .byte 0x08 @ FUNC_MUX_CTRL_2 .byte 0x10 @ FUNC_MUX_CTRL_3 .byte 0x14 @ FUNC_MUX_CTRL_4 .byte 0x18 @ FUNC_MUX_CTRL_5 @@ -145,25 +145,23 @@ lowlevel_init: nop /* Setup clocking mode */ - ldr r0, OMAP5910_MPU_CLKM_BASE @ prepare base of CLOCK unit - ldrh r1, [r0, #0x18] @ get reset status + ldr r0, OMAP5910_MPU_CLKM_BASE @ base of CLOCK unit + ldrh r1, [r0, #0x18] @ ARM_SYST - get reset status bic r1, r1, #(7 << 11) @ clear clock select orr r1, r1, #(2 << 11) @ set synchronous scalable - mov r2, #0 @ set wait counter to 100 clock cycles - -icache_loop: - cmp r2, #0x01 - streqh r1, [r0, #0x18] - add r2, r2, #0x01 - cmp r2, #0x10 - bne icache_loop + mov r2, #0 +loop: + cmp r2, #1 @ this loop will wait for at least 100 cycles + streqh r1, [r0, #0x18] @ before issuing next request from MPU + add r2, r2, #1 @ on the 1st run code is loaded into I-cache + cmp r2, #16 @ and second run will set clocking mode + bne loop nop - /* Setup clock divisors */ - ldr r0, OMAP5910_MPU_CLKM_BASE @ base of CLOCK unit + /* Setup clock dividers */ ldr r1, _OMAP5910_ARM_CKCTL orr r1, r1, #0x2000 @ enable DSP clock - strh r1, [r0, #0x00] @ setup clock divisors + strh r1, [r0] @ setup clock divisors /* Setup DPLL to generate requested freq */ ldr r0, OMAP5910_DPLL1_BASE @ base of DPLL1 register @@ -182,18 +180,17 @@ locking: ldr r0, OMAP5910_MPU_CLKM_BASE @ base of CLOCK unit mov r1, #(1 << 10) @ disable idle mode do not check @ nWAKEUP pin, other remain active - strh r1, [r0, #0x04] + strh r1, [r0, #0x04] ldr r1, _OMAP5910_ARM_EN_CLK strh r1, [r0, #0x08] mov r1, #0x003f @ FLASH.RP not enabled in idle and - @ max delayed ( 32 x CLKIN ) - strh r1, [r0, #0x0c] + strh r1, [r0, #0x0c] @ max delayed ( 32 x CLKIN ) /* Configure 5910 pins functions to match our board. */ ldr r0, MUX_CONFIG_BASE adr r1, MUX_CONFIG_VALUES adr r2, MUX_CONFIG_OFFSETS -next_mux_cfg: +next_mux_cfg: ldrb r3, [r2], #1 ldr r4, [r1], #4 cmp r3, #0xff @@ -240,15 +237,15 @@ next_mux_cfg: strh r1, [r0, #0x34] /* Setup clock divisors */ - ldr r0, OMAP5910_ULPD_PWR_MNG_BASE @ base of ULDPL DPLL1 register + ldr r0, OMAP5910_ULPD_PWR_MNG_BASE @ base of ULDPL DPLL1 register mov r1, #0x0010 @ set PLL_ENABLE - orr r1, r1, #0x2000 @ set IOB to new locking - strh r1, [r0] @ write + orr r1, r1, #0x2000 @ set IOB to new locking + strh r1, [r0] @ write ulocking: ldrh r1, [r0] @ get DPLL value - tst r1, #1 + tst r1, #1 beq ulocking @ while LOCK not set /* EMIF init */ @@ -257,7 +254,7 @@ ulocking: bic r1, r1, #0x0c @ pwr down disabled, flash WP orr r1, r1, #0x01 str r1, [r0, #0x0c] - + ldr r1, VAL_EMIFS_CS0_CONFIG str r1, [r0, #0x10] @ EMIFS_CS0_CONFIG ldr r1, VAL_EMIFS_CS1_CONFIG |