Vladimir Zapolskiy | 3ed0fcf | 2012-04-19 04:33:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Embest/Timll DevKit3250 board support |
| 3 | * |
| 4 | * Copyright (C) 2011 Vladimir Zapolskiy <vz@mleia.com> |
| 5 | * |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 6 | * SPDX-License-Identifier: GPL-2.0+ |
Vladimir Zapolskiy | 3ed0fcf | 2012-04-19 04:33:10 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #include <common.h> |
| 10 | #include <asm/arch/sys_proto.h> |
| 11 | #include <asm/arch/cpu.h> |
| 12 | #include <asm/arch/emc.h> |
| 13 | |
| 14 | DECLARE_GLOBAL_DATA_PTR; |
| 15 | |
| 16 | static struct emc_regs *emc = (struct emc_regs *)EMC_BASE; |
| 17 | |
| 18 | int board_early_init_f(void) |
| 19 | { |
| 20 | lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART); |
| 21 | |
| 22 | return 0; |
| 23 | } |
| 24 | |
| 25 | int board_init(void) |
| 26 | { |
| 27 | /* adress of boot parameters */ |
| 28 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; |
| 29 | |
| 30 | #ifdef CONFIG_SYS_FLASH_CFI |
| 31 | /* Use 16-bit memory interface for NOR Flash */ |
| 32 | emc->stat[0].config = EMC_STAT_CONFIG_PB | EMC_STAT_CONFIG_16BIT; |
| 33 | |
| 34 | /* Change the NOR timings to optimum value to get maximum bandwidth */ |
| 35 | emc->stat[0].waitwen = EMC_STAT_WAITWEN(1); |
| 36 | emc->stat[0].waitoen = EMC_STAT_WAITOEN(1); |
| 37 | emc->stat[0].waitrd = EMC_STAT_WAITRD(12); |
| 38 | emc->stat[0].waitpage = EMC_STAT_WAITPAGE(12); |
| 39 | emc->stat[0].waitwr = EMC_STAT_WAITWR(5); |
| 40 | emc->stat[0].waitturn = EMC_STAT_WAITTURN(2); |
| 41 | #endif |
| 42 | |
| 43 | return 0; |
| 44 | } |
| 45 | |
| 46 | int dram_init(void) |
| 47 | { |
| 48 | gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, |
| 49 | CONFIG_SYS_SDRAM_SIZE); |
| 50 | |
| 51 | return 0; |
| 52 | } |