1 /* Copyright 2013 Freescale Semiconductor, Inc. 2 * 3 * SPDX-License-Identifier: GPL-2.0+ 4 */ 5 6 #include <common.h> 7 #include <malloc.h> 8 #include <ns16550.h> 9 #include <nand.h> 10 #include <i2c.h> 11 #include <mmc.h> 12 #include <fsl_esdhc.h> 13 #include <spi_flash.h> 14 #include <asm/mpc85xx_gpio.h> 15 16 DECLARE_GLOBAL_DATA_PTR; 17 18 phys_size_t get_effective_memsize(void) 19 { 20 return CONFIG_SYS_L3_SIZE; 21 } 22 23 unsigned long get_board_sys_clk(void) 24 { 25 return CONFIG_SYS_CLK_FREQ; 26 } 27 28 unsigned long get_board_ddr_clk(void) 29 { 30 return CONFIG_DDR_CLK_FREQ; 31 } 32 33 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000 34 void board_init_f(ulong bootflag) 35 { 36 u32 plat_ratio, sys_clk, uart_clk; 37 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND) 38 u32 porsr1, pinctl; 39 u32 svr = get_svr(); 40 #endif 41 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 42 43 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND) 44 if (IS_SVR_REV(svr, 1, 0)) { 45 /* 46 * There is T1040 SoC issue where NOR, FPGA are inaccessible 47 * during NAND boot because IFC signals > IFC_AD7 are not 48 * enabled. This workaround changes RCW source to make all 49 * signals enabled. 50 */ 51 porsr1 = in_be32(&gur->porsr1); 52 pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK)) 53 | 0x24800000); 54 out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000), 55 pinctl); 56 } 57 #endif 58 59 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */ 60 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t)); 61 62 /* Update GD pointer */ 63 gd = (gd_t *)(CONFIG_SPL_GD_ADDR); 64 65 #ifdef CONFIG_DEEP_SLEEP 66 /* disable the console if boot from deep sleep */ 67 if (in_be32(&gur->scrtsr[0]) & (1 << 3)) 68 gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE; 69 #endif 70 /* compiler optimization barrier needed for GCC >= 3.4 */ 71 __asm__ __volatile__("" : : : "memory"); 72 73 console_init_f(); 74 75 /* initialize selected port with appropriate baud rate */ 76 sys_clk = get_board_sys_clk(); 77 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; 78 uart_clk = sys_clk * plat_ratio / 2; 79 80 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 81 uart_clk / 16 / CONFIG_BAUDRATE); 82 83 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0); 84 } 85 86 void board_init_r(gd_t *gd, ulong dest_addr) 87 { 88 bd_t *bd; 89 90 bd = (bd_t *)(gd + sizeof(gd_t)); 91 memset(bd, 0, sizeof(bd_t)); 92 gd->bd = bd; 93 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR; 94 bd->bi_memsize = CONFIG_SYS_L3_SIZE; 95 96 probecpu(); 97 get_clocks(); 98 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, 99 CONFIG_SPL_RELOC_MALLOC_SIZE); 100 101 #ifdef CONFIG_SPL_MMC_BOOT 102 mmc_initialize(bd); 103 #endif 104 105 /* relocate environment function pointers etc. */ 106 #ifdef CONFIG_SPL_NAND_BOOT 107 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 108 (uchar *)CONFIG_ENV_ADDR); 109 #endif 110 #ifdef CONFIG_SPL_MMC_BOOT 111 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 112 (uchar *)CONFIG_ENV_ADDR); 113 #endif 114 #ifdef CONFIG_SPL_SPI_BOOT 115 spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 116 (uchar *)CONFIG_ENV_ADDR); 117 #endif 118 gd->env_addr = (ulong)(CONFIG_ENV_ADDR); 119 gd->env_valid = 1; 120 121 i2c_init_all(); 122 123 puts("\n\n"); 124 125 gd->ram_size = initdram(0); 126 127 #ifdef CONFIG_SPL_MMC_BOOT 128 mmc_boot(); 129 #elif defined(CONFIG_SPL_SPI_BOOT) 130 spi_boot(); 131 #elif defined(CONFIG_SPL_NAND_BOOT) 132 nand_boot(); 133 #endif 134 } 135 136 #ifdef CONFIG_DEEP_SLEEP 137 void board_mem_sleep_setup(void) 138 { 139 void __iomem *cpld_base = (void *)CONFIG_SYS_CPLD_BASE; 140 141 /* does not provide HW signals for power management */ 142 clrbits_8(cpld_base + 0x17, 0x40); 143 /* Disable MCKE isolation */ 144 gpio_set_value(2, 0); 145 udelay(1); 146 } 147 #endif 148