diff options
Diffstat (limited to 'board/samsung/smdk2410/smdk2410.c')
| -rw-r--r-- | board/samsung/smdk2410/smdk2410.c | 73 |
1 files changed, 46 insertions, 27 deletions
diff --git a/board/samsung/smdk2410/smdk2410.c b/board/samsung/smdk2410/smdk2410.c index 76a24bb..e9ba922 100644 --- a/board/samsung/smdk2410/smdk2410.c +++ b/board/samsung/smdk2410/smdk2410.c @@ -3,7 +3,7 @@ * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> * - * (C) Copyright 2002 + * (C) Copyright 2002, 2010 * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> * * See file CREDITS for list of people who contributed to this @@ -27,6 +27,7 @@ #include <common.h> #include <netdev.h> +#include <asm/io.h> #include <asm/arch/s3c24x0_cpu.h> DECLARE_GLOBAL_DATA_PTR; @@ -55,7 +56,7 @@ DECLARE_GLOBAL_DATA_PTR; #define U_M_SDIV 0x2 #endif -static inline void delay (unsigned long loops) +static inline void pll_delay(unsigned long loops) { __asm__ volatile ("1:\n" "subs %0, %1, #1\n" @@ -66,44 +67,51 @@ static inline void delay (unsigned long loops) * Miscellaneous platform dependent initialisations */ -int board_init (void) +int board_early_init_f(void) { struct s3c24x0_clock_power * const clk_power = s3c24x0_get_base_clock_power(); struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio(); /* to reduce PLL lock time, adjust the LOCKTIME register */ - clk_power->locktime = 0xFFFFFF; + writel(0xFFFFFF, &clk_power->locktime); /* configure MPLL */ - clk_power->mpllcon = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV); + writel((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV, + &clk_power->mpllcon); /* some delay between MPLL and UPLL */ - delay (4000); + pll_delay(4000); /* configure UPLL */ - clk_power->upllcon = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV); + writel((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV, + &clk_power->upllcon); /* some delay between MPLL and UPLL */ - delay (8000); + pll_delay(8000); /* set up the I/O ports */ - gpio->gpacon = 0x007FFFFF; - gpio->gpbcon = 0x00044555; - gpio->gpbup = 0x000007FF; - gpio->gpccon = 0xAAAAAAAA; - gpio->gpcup = 0x0000FFFF; - gpio->gpdcon = 0xAAAAAAAA; - gpio->gpdup = 0x0000FFFF; - gpio->gpecon = 0xAAAAAAAA; - gpio->gpeup = 0x0000FFFF; - gpio->gpfcon = 0x000055AA; - gpio->gpfup = 0x000000FF; - gpio->gpgcon = 0xFF95FFBA; - gpio->gpgup = 0x0000FFFF; - gpio->gphcon = 0x002AFAAA; - gpio->gphup = 0x000007FF; + writel(0x007FFFFF, &gpio->gpacon); + writel(0x00044555, &gpio->gpbcon); + writel(0x000007FF, &gpio->gpbup); + writel(0xAAAAAAAA, &gpio->gpccon); + writel(0x0000FFFF, &gpio->gpcup); + writel(0xAAAAAAAA, &gpio->gpdcon); + writel(0x0000FFFF, &gpio->gpdup); + writel(0xAAAAAAAA, &gpio->gpecon); + writel(0x0000FFFF, &gpio->gpeup); + writel(0x000055AA, &gpio->gpfcon); + writel(0x000000FF, &gpio->gpfup); + writel(0xFF95FFBA, &gpio->gpgcon); + writel(0x0000FFFF, &gpio->gpgup); + writel(0x002AFAAA, &gpio->gphcon); + writel(0x000007FF, &gpio->gphup); + + return 0; +} +int board_init(void) +{ /* arch number of SMDK2410-Board */ gd->bd->bi_arch_number = MACH_TYPE_SMDK2410; @@ -116,11 +124,10 @@ int board_init (void) return 0; } -int dram_init (void) +int dram_init(void) { - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = PHYS_SDRAM_1_SIZE; return 0; } @@ -134,3 +141,15 @@ int board_eth_init(bd_t *bis) return rc; } #endif + +/* + * Hardcoded flash setup: + * Flash 0 is a non-CFI AMD AM29LV800BB flash. + */ +ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info) +{ + info->portwidth = FLASH_CFI_16BIT; + info->chipwidth = FLASH_CFI_BY16; + info->interface = FLASH_CFI_X16; + return 1; +} |