1 /* 2 * SPDX-License-Identifier: GPL-2.0+ 3 */ 4 #include <common.h> 5 #include <twl4030.h> 6 #include <asm/io.h> 7 #include <asm/omap_mmc.h> 8 #include <asm/arch/mux.h> 9 #include <asm/arch/sys_proto.h> 10 #include <jffs2/load_kernel.h> 11 #include <linux/mtd/rawnand.h> 12 #include "igep00x0.h" 13 14 DECLARE_GLOBAL_DATA_PTR; 15 16 /* 17 * Routine: set_muxconf_regs 18 * Description: Setting up the configuration Mux registers specific to the 19 * hardware. Many pins need to be moved from protect to primary 20 * mode. 21 */ 22 void set_muxconf_regs(void) 23 { 24 MUX_DEFAULT(); 25 } 26 27 /* 28 * Routine: board_init 29 * Description: Early hardware init. 30 */ 31 int board_init(void) 32 { 33 int loops = 100; 34 35 /* find out flash memory type, assume NAND first */ 36 gpmc_cs0_flash = MTD_DEV_TYPE_NAND; 37 gpmc_init(); 38 39 /* Issue a RESET and then READID */ 40 writeb(NAND_CMD_RESET, &gpmc_cfg->cs[0].nand_cmd); 41 writeb(NAND_CMD_STATUS, &gpmc_cfg->cs[0].nand_cmd); 42 while ((readl(&gpmc_cfg->cs[0].nand_dat) & NAND_STATUS_READY) 43 != NAND_STATUS_READY) { 44 udelay(1); 45 if (--loops == 0) { 46 gpmc_cs0_flash = MTD_DEV_TYPE_ONENAND; 47 gpmc_init(); /* reinitialize for OneNAND */ 48 break; 49 } 50 } 51 52 /* boot param addr */ 53 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); 54 55 return 0; 56 } 57 58 #if defined(CONFIG_MMC) 59 int board_mmc_init(bd_t *bis) 60 { 61 return omap_mmc_init(0, 0, 0, -1, -1); 62 } 63 64 void board_mmc_power_init(void) 65 { 66 twl4030_power_mmc_init(0); 67 } 68 #endif 69