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 17 DECLARE_GLOBAL_DATA_PTR; 18 19 static const u32 sysclk_tbl[] = { 20 66666000, 7499900, 83332500, 8999900, 21 99999000, 11111000, 12499800, 13333200 22 }; 23 24 phys_size_t get_effective_memsize(void) 25 { 26 return CONFIG_SYS_L2_SIZE; 27 } 28 29 void board_init_f(ulong bootflag) 30 { 31 u32 plat_ratio, bus_clk; 32 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 33 34 console_init_f(); 35 36 /* Set pmuxcr to allow both i2c1 and i2c2 */ 37 setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000); 38 setbits_be32(&gur->pmuxcr, 39 in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA); 40 41 /* Read back the register to synchronize the write. */ 42 in_be32(&gur->pmuxcr); 43 44 #ifdef CONFIG_SPL_SPI_BOOT 45 clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA); 46 #endif 47 48 /* initialize selected port with appropriate baud rate */ 49 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; 50 plat_ratio >>= 1; 51 bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; 52 gd->bus_clk = bus_clk; 53 54 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 55 bus_clk / 16 / CONFIG_BAUDRATE); 56 #ifdef CONFIG_SPL_MMC_BOOT 57 puts("\nSD boot...\n"); 58 #elif defined(CONFIG_SPL_SPI_BOOT) 59 puts("\nSPI Flash boot...\n"); 60 #endif 61 62 /* copy code to RAM and jump to it - this should not return */ 63 /* NOTE - code has to be copied out of NAND buffer before 64 * other blocks can be read. 65 */ 66 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 67 } 68 69 void board_init_r(gd_t *gd, ulong dest_addr) 70 { 71 /* Pointer is writable since we allocated a register for it */ 72 gd = (gd_t *)CONFIG_SPL_GD_ADDR; 73 bd_t *bd; 74 75 memset(gd, 0, sizeof(gd_t)); 76 bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t)); 77 memset(bd, 0, sizeof(bd_t)); 78 gd->bd = bd; 79 bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR; 80 bd->bi_memsize = CONFIG_SYS_L2_SIZE; 81 82 probecpu(); 83 get_clocks(); 84 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, 85 CONFIG_SPL_RELOC_MALLOC_SIZE); 86 87 #ifndef CONFIG_SPL_NAND_BOOT 88 env_init(); 89 #endif 90 #ifdef CONFIG_SPL_MMC_BOOT 91 mmc_initialize(bd); 92 #endif 93 /* relocate environment function pointers etc. */ 94 #ifdef CONFIG_SPL_NAND_BOOT 95 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 96 (uchar *)CONFIG_ENV_ADDR); 97 gd->env_addr = (ulong)(CONFIG_ENV_ADDR); 98 gd->env_valid = 1; 99 #else 100 env_relocate(); 101 #endif 102 103 #ifdef CONFIG_SYS_I2C 104 i2c_init_all(); 105 #else 106 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); 107 #endif 108 109 gd->ram_size = initdram(0); 110 #ifdef CONFIG_SPL_NAND_BOOT 111 puts("Tertiary program loader running in sram..."); 112 #else 113 puts("Second program loader running in sram...\n"); 114 #endif 115 116 #ifdef CONFIG_SPL_MMC_BOOT 117 mmc_boot(); 118 #elif defined(CONFIG_SPL_SPI_BOOT) 119 spi_boot(); 120 #elif defined(CONFIG_SPL_NAND_BOOT) 121 nand_boot(); 122 #endif 123 } 124