Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 Freescale Semiconductor, Inc. |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| 6 | |
| 7 | #include <common.h> |
| 8 | #include <ns16550.h> |
| 9 | #include <malloc.h> |
| 10 | #include <mmc.h> |
| 11 | #include <nand.h> |
| 12 | #include <i2c.h> |
| 13 | #include <fsl_esdhc.h> |
Ying Zhang | f74fd4e | 2013-09-06 17:30:57 +0800 | [diff] [blame] | 14 | #include <spi_flash.h> |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 15 | |
| 16 | DECLARE_GLOBAL_DATA_PTR; |
| 17 | |
| 18 | static const u32 sysclk_tbl[] = { |
| 19 | 66666000, 7499900, 83332500, 8999900, |
| 20 | 99999000, 11111000, 12499800, 13333200 |
| 21 | }; |
| 22 | |
| 23 | ulong get_effective_memsize(void) |
| 24 | { |
| 25 | return CONFIG_SYS_L2_SIZE; |
| 26 | } |
| 27 | |
| 28 | void board_init_f(ulong bootflag) |
| 29 | { |
| 30 | u32 plat_ratio, bus_clk; |
| 31 | ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; |
| 32 | |
| 33 | console_init_f(); |
| 34 | |
| 35 | /* Set pmuxcr to allow both i2c1 and i2c2 */ |
| 36 | setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000); |
| 37 | setbits_be32(&gur->pmuxcr, |
| 38 | in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA); |
| 39 | |
| 40 | /* Read back the register to synchronize the write. */ |
| 41 | in_be32(&gur->pmuxcr); |
| 42 | |
Ying Zhang | f74fd4e | 2013-09-06 17:30:57 +0800 | [diff] [blame] | 43 | #ifdef CONFIG_SPL_SPI_BOOT |
| 44 | clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA); |
| 45 | #endif |
| 46 | |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 47 | /* initialize selected port with appropriate baud rate */ |
| 48 | plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; |
| 49 | plat_ratio >>= 1; |
| 50 | bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; |
| 51 | gd->bus_clk = bus_clk; |
| 52 | |
| 53 | NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, |
| 54 | bus_clk / 16 / CONFIG_BAUDRATE); |
| 55 | #ifdef CONFIG_SPL_MMC_BOOT |
| 56 | puts("\nSD boot...\n"); |
Ying Zhang | f74fd4e | 2013-09-06 17:30:57 +0800 | [diff] [blame] | 57 | #elif defined(CONFIG_SPL_SPI_BOOT) |
| 58 | puts("\nSPI Flash boot...\n"); |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 59 | #endif |
| 60 | |
| 61 | /* copy code to RAM and jump to it - this should not return */ |
| 62 | /* NOTE - code has to be copied out of NAND buffer before |
| 63 | * other blocks can be read. |
| 64 | */ |
| 65 | relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); |
| 66 | } |
| 67 | |
| 68 | void board_init_r(gd_t *gd, ulong dest_addr) |
| 69 | { |
| 70 | /* Pointer is writable since we allocated a register for it */ |
| 71 | gd = (gd_t *)CONFIG_SPL_GD_ADDR; |
| 72 | bd_t *bd; |
| 73 | |
| 74 | memset(gd, 0, sizeof(gd_t)); |
| 75 | bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t)); |
| 76 | memset(bd, 0, sizeof(bd_t)); |
| 77 | gd->bd = bd; |
| 78 | bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR; |
| 79 | bd->bi_memsize = CONFIG_SYS_L2_SIZE; |
| 80 | |
| 81 | probecpu(); |
| 82 | get_clocks(); |
| 83 | mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, |
| 84 | CONFIG_SPL_RELOC_MALLOC_SIZE); |
| 85 | |
Ying Zhang | b8b404d | 2013-09-06 17:30:58 +0800 | [diff] [blame] | 86 | #ifndef CONFIG_SPL_NAND_BOOT |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 87 | env_init(); |
Ying Zhang | b8b404d | 2013-09-06 17:30:58 +0800 | [diff] [blame] | 88 | #endif |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 89 | #ifdef CONFIG_SPL_MMC_BOOT |
| 90 | mmc_initialize(bd); |
| 91 | #endif |
| 92 | /* relocate environment function pointers etc. */ |
Ying Zhang | b8b404d | 2013-09-06 17:30:58 +0800 | [diff] [blame] | 93 | #ifdef CONFIG_SPL_NAND_BOOT |
| 94 | nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, |
| 95 | (uchar *)CONFIG_ENV_ADDR); |
| 96 | gd->env_addr = (ulong)(CONFIG_ENV_ADDR); |
| 97 | gd->env_valid = 1; |
| 98 | #else |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 99 | env_relocate(); |
Ying Zhang | b8b404d | 2013-09-06 17:30:58 +0800 | [diff] [blame] | 100 | #endif |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 101 | |
| 102 | #ifdef CONFIG_SYS_I2C |
| 103 | i2c_init_all(); |
| 104 | #else |
| 105 | i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
| 106 | #endif |
| 107 | |
| 108 | gd->ram_size = initdram(0); |
Ying Zhang | b8b404d | 2013-09-06 17:30:58 +0800 | [diff] [blame] | 109 | #ifdef CONFIG_SPL_NAND_BOOT |
| 110 | puts("Tertiary program loader running in sram..."); |
| 111 | #else |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 112 | puts("Second program loader running in sram...\n"); |
Ying Zhang | b8b404d | 2013-09-06 17:30:58 +0800 | [diff] [blame] | 113 | #endif |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 114 | |
| 115 | #ifdef CONFIG_SPL_MMC_BOOT |
| 116 | mmc_boot(); |
Ying Zhang | f74fd4e | 2013-09-06 17:30:57 +0800 | [diff] [blame] | 117 | #elif defined(CONFIG_SPL_SPI_BOOT) |
| 118 | spi_boot(); |
Ying Zhang | b8b404d | 2013-09-06 17:30:58 +0800 | [diff] [blame] | 119 | #elif defined(CONFIG_SPL_NAND_BOOT) |
| 120 | nand_boot(); |
Ying Zhang | 28027d7 | 2013-09-06 17:30:56 +0800 | [diff] [blame] | 121 | #endif |
| 122 | } |