1 /* Copyright 2014 Freescale Semiconductor, Inc. 2 * 3 * SPDX-License-Identifier: GPL-2.0+ 4 */ 5 6 #include <common.h> 7 #include <console.h> 8 #include <asm/spl.h> 9 #include <malloc.h> 10 #include <ns16550.h> 11 #include <nand.h> 12 #include <mmc.h> 13 #include <fsl_esdhc.h> 14 #include <i2c.h> 15 #include "../common/qixis.h" 16 #include "t4240qds_qixis.h" 17 18 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000 19 20 DECLARE_GLOBAL_DATA_PTR; 21 22 phys_size_t get_effective_memsize(void) 23 { 24 return CONFIG_SYS_L3_SIZE; 25 } 26 27 unsigned long get_board_sys_clk(void) 28 { 29 u8 sysclk_conf = QIXIS_READ(brdcfg[1]); 30 31 switch (sysclk_conf & 0x0F) { 32 case QIXIS_SYSCLK_83: 33 return 83333333; 34 case QIXIS_SYSCLK_100: 35 return 100000000; 36 case QIXIS_SYSCLK_125: 37 return 125000000; 38 case QIXIS_SYSCLK_133: 39 return 133333333; 40 case QIXIS_SYSCLK_150: 41 return 150000000; 42 case QIXIS_SYSCLK_160: 43 return 160000000; 44 case QIXIS_SYSCLK_166: 45 return 166666666; 46 } 47 return 66666666; 48 } 49 50 unsigned long get_board_ddr_clk(void) 51 { 52 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]); 53 54 switch ((ddrclk_conf & 0x30) >> 4) { 55 case QIXIS_DDRCLK_100: 56 return 100000000; 57 case QIXIS_DDRCLK_125: 58 return 125000000; 59 case QIXIS_DDRCLK_133: 60 return 133333333; 61 } 62 return 66666666; 63 } 64 65 void board_init_f(ulong bootflag) 66 { 67 u32 plat_ratio, sys_clk, ccb_clk; 68 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 69 #ifdef CONFIG_SPL_NAND_BOOT 70 u32 porsr1, pinctl; 71 #endif 72 73 #ifdef CONFIG_SPL_NAND_BOOT 74 porsr1 = in_be32(&gur->porsr1); 75 pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK)) | 0x24800000); 76 out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000), pinctl); 77 #endif 78 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */ 79 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t)); 80 81 /* Update GD pointer */ 82 gd = (gd_t *)(CONFIG_SPL_GD_ADDR); 83 84 /* compiler optimization barrier needed for GCC >= 3.4 */ 85 __asm__ __volatile__("" : : : "memory"); 86 87 console_init_f(); 88 89 /* initialize selected port with appropriate baud rate */ 90 sys_clk = get_board_sys_clk(); 91 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; 92 ccb_clk = sys_clk * plat_ratio / 2; 93 94 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 95 ccb_clk / 16 / CONFIG_BAUDRATE); 96 97 #ifdef CONFIG_SPL_MMC_BOOT 98 puts("\nSD boot...\n"); 99 #elif defined(CONFIG_SPL_NAND_BOOT) 100 puts("\nNAND boot...\n"); 101 #endif 102 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0); 103 } 104 105 void board_init_r(gd_t *gd, ulong dest_addr) 106 { 107 bd_t *bd; 108 109 bd = (bd_t *)(gd + sizeof(gd_t)); 110 memset(bd, 0, sizeof(bd_t)); 111 gd->bd = bd; 112 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR; 113 bd->bi_memsize = CONFIG_SYS_L3_SIZE; 114 115 probecpu(); 116 get_clocks(); 117 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, 118 CONFIG_SPL_RELOC_MALLOC_SIZE); 119 120 #ifdef CONFIG_SPL_NAND_BOOT 121 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 122 (uchar *)CONFIG_ENV_ADDR); 123 #endif 124 #ifdef CONFIG_SPL_MMC_BOOT 125 mmc_initialize(bd); 126 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 127 (uchar *)CONFIG_ENV_ADDR); 128 #endif 129 130 gd->env_addr = (ulong)(CONFIG_ENV_ADDR); 131 gd->env_valid = 1; 132 133 i2c_init_all(); 134 135 gd->ram_size = initdram(0); 136 137 #ifdef CONFIG_SPL_MMC_BOOT 138 mmc_boot(); 139 #elif defined(CONFIG_SPL_NAND_BOOT) 140 nand_boot(); 141 #endif 142 } 143