1 /* Copyright 2013 Freescale Semiconductor, Inc. 2 * 3 * SPDX-License-Identifier: GPL-2.0+ 4 */ 5 6 #include <common.h> 7 #include <console.h> 8 #include <malloc.h> 9 #include <ns16550.h> 10 #include <nand.h> 11 #include <i2c.h> 12 #include <mmc.h> 13 #include <fsl_esdhc.h> 14 #include <spi_flash.h> 15 #include "../common/qixis.h" 16 #include "t208xqds_qixis.h" 17 #include "../common/spl.h" 18 19 DECLARE_GLOBAL_DATA_PTR; 20 21 phys_size_t get_effective_memsize(void) 22 { 23 return CONFIG_SYS_L3_SIZE; 24 } 25 26 unsigned long get_board_sys_clk(void) 27 { 28 u8 sysclk_conf = QIXIS_READ(brdcfg[1]); 29 30 switch (sysclk_conf & 0x0F) { 31 case QIXIS_SYSCLK_83: 32 return 83333333; 33 case QIXIS_SYSCLK_100: 34 return 100000000; 35 case QIXIS_SYSCLK_125: 36 return 125000000; 37 case QIXIS_SYSCLK_133: 38 return 133333333; 39 case QIXIS_SYSCLK_150: 40 return 150000000; 41 case QIXIS_SYSCLK_160: 42 return 160000000; 43 case QIXIS_SYSCLK_166: 44 return 166666666; 45 } 46 return 66666666; 47 } 48 49 unsigned long get_board_ddr_clk(void) 50 { 51 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]); 52 53 switch ((ddrclk_conf & 0x30) >> 4) { 54 case QIXIS_DDRCLK_100: 55 return 100000000; 56 case QIXIS_DDRCLK_125: 57 return 125000000; 58 case QIXIS_DDRCLK_133: 59 return 133333333; 60 } 61 return 66666666; 62 } 63 64 void board_init_f(ulong bootflag) 65 { 66 u32 plat_ratio, sys_clk, ccb_clk; 67 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 68 69 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */ 70 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t)); 71 72 /* Update GD pointer */ 73 gd = (gd_t *)(CONFIG_SPL_GD_ADDR); 74 75 console_init_f(); 76 77 /* initialize selected port with appropriate baud rate */ 78 sys_clk = get_board_sys_clk(); 79 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; 80 ccb_clk = sys_clk * plat_ratio / 2; 81 82 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 83 ccb_clk / 16 / CONFIG_BAUDRATE); 84 85 #if defined(CONFIG_SPL_MMC_BOOT) 86 puts("\nSD boot...\n"); 87 #elif defined(CONFIG_SPL_SPI_BOOT) 88 puts("\nSPI boot...\n"); 89 #elif defined(CONFIG_SPL_NAND_BOOT) 90 puts("\nNAND boot...\n"); 91 #endif 92 93 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0); 94 } 95 96 void board_init_r(gd_t *gd, ulong dest_addr) 97 { 98 bd_t *bd; 99 100 bd = (bd_t *)(gd + sizeof(gd_t)); 101 memset(bd, 0, sizeof(bd_t)); 102 gd->bd = bd; 103 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR; 104 bd->bi_memsize = CONFIG_SYS_L3_SIZE; 105 106 probecpu(); 107 get_clocks(); 108 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, 109 CONFIG_SPL_RELOC_MALLOC_SIZE); 110 gd->flags |= GD_FLG_FULL_MALLOC_INIT; 111 112 #ifdef CONFIG_SPL_NAND_BOOT 113 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 114 (uchar *)CONFIG_ENV_ADDR); 115 #endif 116 #ifdef CONFIG_SPL_MMC_BOOT 117 mmc_initialize(bd); 118 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 119 (uchar *)CONFIG_ENV_ADDR); 120 #endif 121 #ifdef CONFIG_SPL_SPI_BOOT 122 fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 123 (uchar *)CONFIG_ENV_ADDR); 124 #endif 125 126 gd->env_addr = (ulong)(CONFIG_ENV_ADDR); 127 gd->env_valid = 1; 128 129 i2c_init_all(); 130 131 gd->ram_size = initdram(0); 132 133 #ifdef CONFIG_SPL_MMC_BOOT 134 mmc_boot(); 135 #elif defined(CONFIG_SPL_SPI_BOOT) 136 fsl_spi_boot(); 137 #elif defined(CONFIG_SPL_NAND_BOOT) 138 nand_boot(); 139 #endif 140 } 141