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 <ns16550.h> 9 #include <malloc.h> 10 #include <mmc.h> 11 #include <nand.h> 12 #include <i2c.h> 13 #include <fsl_esdhc.h> 14 #include <spi_flash.h> 15 #include "../common/spl.h" 16 17 DECLARE_GLOBAL_DATA_PTR; 18 19 phys_size_t get_effective_memsize(void) 20 { 21 return CONFIG_SYS_L2_SIZE; 22 } 23 24 void board_init_f(ulong bootflag) 25 { 26 u32 plat_ratio; 27 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 28 struct fsl_ifc ifc = {(void *)CONFIG_SYS_IFC_ADDR, (void *)NULL}; 29 30 console_init_f(); 31 32 /* Clock configuration to access CPLD using IFC(GPCM) */ 33 setbits_be32(&ifc.gregs->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT); 34 35 #ifdef CONFIG_TARGET_P1010RDB_PB 36 setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_GPIO01_DRVVBUS); 37 #endif 38 39 /* initialize selected port with appropriate baud rate */ 40 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; 41 plat_ratio >>= 1; 42 gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; 43 44 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 45 gd->bus_clk / 16 / CONFIG_BAUDRATE); 46 47 #ifdef CONFIG_SPL_MMC_BOOT 48 puts("\nSD boot...\n"); 49 #elif defined(CONFIG_SPL_SPI_BOOT) 50 puts("\nSPI Flash boot...\n"); 51 #endif 52 /* copy code to RAM and jump to it - this should not return */ 53 /* NOTE - code has to be copied out of NAND buffer before 54 * other blocks can be read. 55 */ 56 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 57 } 58 59 void board_init_r(gd_t *gd, ulong dest_addr) 60 { 61 /* Pointer is writable since we allocated a register for it */ 62 gd = (gd_t *)CONFIG_SPL_GD_ADDR; 63 bd_t *bd; 64 65 memset(gd, 0, sizeof(gd_t)); 66 bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t)); 67 memset(bd, 0, sizeof(bd_t)); 68 gd->bd = bd; 69 bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR; 70 bd->bi_memsize = CONFIG_SYS_L2_SIZE; 71 72 probecpu(); 73 get_clocks(); 74 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, 75 CONFIG_SPL_RELOC_MALLOC_SIZE); 76 gd->flags |= GD_FLG_FULL_MALLOC_INIT; 77 78 #ifndef CONFIG_SPL_NAND_BOOT 79 env_init(); 80 #endif 81 #ifdef CONFIG_SPL_MMC_BOOT 82 mmc_initialize(bd); 83 #endif 84 85 /* relocate environment function pointers etc. */ 86 #ifdef CONFIG_SPL_NAND_BOOT 87 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 88 (uchar *)CONFIG_ENV_ADDR); 89 gd->env_addr = (ulong)(CONFIG_ENV_ADDR); 90 gd->env_valid = 1; 91 #else 92 env_relocate(); 93 #endif 94 95 i2c_init_all(); 96 97 gd->ram_size = initdram(0); 98 #ifdef CONFIG_SPL_NAND_BOOT 99 puts("\nTertiary program loader running in sram..."); 100 #else 101 puts("\nSecond program loader running in sram..."); 102 #endif 103 104 #ifdef CONFIG_SPL_MMC_BOOT 105 mmc_boot(); 106 #elif defined(CONFIG_SPL_SPI_BOOT) 107 fsl_spi_boot(); 108 #elif defined(CONFIG_SPL_NAND_BOOT) 109 nand_boot(); 110 #endif 111 } 112