1 /* 2 * Board functions for Compulab CM-FX6 board 3 * 4 * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ 5 * 6 * Author: Nikita Kiryanov <nikita@compulab.co.il> 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #include <common.h> 12 #include <fsl_esdhc.h> 13 #include <asm/arch/sys_proto.h> 14 #include "common.h" 15 16 DECLARE_GLOBAL_DATA_PTR; 17 18 #ifdef CONFIG_FSL_ESDHC 19 static struct fsl_esdhc_cfg usdhc_cfg[3] = { 20 {USDHC1_BASE_ADDR}, 21 {USDHC2_BASE_ADDR}, 22 {USDHC3_BASE_ADDR}, 23 }; 24 25 static enum mxc_clock usdhc_clk[3] = { 26 MXC_ESDHC_CLK, 27 MXC_ESDHC2_CLK, 28 MXC_ESDHC3_CLK, 29 }; 30 31 int board_mmc_init(bd_t *bis) 32 { 33 int i; 34 35 cm_fx6_set_usdhc_iomux(); 36 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { 37 usdhc_cfg[i].sdhc_clk = mxc_get_clock(usdhc_clk[i]); 38 usdhc_cfg[i].max_bus_width = 4; 39 fsl_esdhc_initialize(bis, &usdhc_cfg[i]); 40 enable_usdhc_clk(1, i); 41 } 42 43 return 0; 44 } 45 #endif 46 47 int board_init(void) 48 { 49 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; 50 return 0; 51 } 52 53 int checkboard(void) 54 { 55 puts("Board: CM-FX6\n"); 56 return 0; 57 } 58 59 void dram_init_banksize(void) 60 { 61 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 62 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 63 64 switch (gd->ram_size) { 65 case 0x10000000: /* DDR_16BIT_256MB */ 66 gd->bd->bi_dram[0].size = 0x10000000; 67 gd->bd->bi_dram[1].size = 0; 68 break; 69 case 0x20000000: /* DDR_32BIT_512MB */ 70 gd->bd->bi_dram[0].size = 0x20000000; 71 gd->bd->bi_dram[1].size = 0; 72 break; 73 case 0x40000000: 74 if (is_cpu_type(MXC_CPU_MX6SOLO)) { /* DDR_32BIT_1GB */ 75 gd->bd->bi_dram[0].size = 0x20000000; 76 gd->bd->bi_dram[1].size = 0x20000000; 77 } else { /* DDR_64BIT_1GB */ 78 gd->bd->bi_dram[0].size = 0x40000000; 79 gd->bd->bi_dram[1].size = 0; 80 } 81 break; 82 case 0x80000000: /* DDR_64BIT_2GB */ 83 gd->bd->bi_dram[0].size = 0x40000000; 84 gd->bd->bi_dram[1].size = 0x40000000; 85 break; 86 case 0xEFF00000: /* DDR_64BIT_4GB */ 87 gd->bd->bi_dram[0].size = 0x70000000; 88 gd->bd->bi_dram[1].size = 0x7FF00000; 89 break; 90 } 91 } 92 93 int dram_init(void) 94 { 95 gd->ram_size = imx_ddr_size(); 96 switch (gd->ram_size) { 97 case 0x10000000: 98 case 0x20000000: 99 case 0x40000000: 100 case 0x80000000: 101 break; 102 case 0xF0000000: 103 gd->ram_size -= 0x100000; 104 break; 105 default: 106 printf("ERROR: Unsupported DRAM size 0x%lx\n", gd->ram_size); 107 return -1; 108 } 109 110 return 0; 111 } 112