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