1 /* 2 * (C) Copyright 2015 Google, Inc 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <clk.h> 9 #include <dm.h> 10 #include <ram.h> 11 #include <syscon.h> 12 #include <asm/io.h> 13 #include <asm/arch/clock.h> 14 #include <asm/arch/grf_rk3188.h> 15 #include <asm/arch/periph.h> 16 #include <asm/arch/pmu_rk3288.h> 17 #include <asm/arch/boot_mode.h> 18 #include <asm/gpio.h> 19 #include <dm/pinctrl.h> 20 21 DECLARE_GLOBAL_DATA_PTR; 22 23 int board_late_init(void) 24 { 25 struct rk3188_grf *grf; 26 27 setup_boot_mode(); 28 grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); 29 if (IS_ERR(grf)) { 30 pr_err("grf syscon returned %ld\n", PTR_ERR(grf)); 31 } else { 32 /* enable noc remap to mimic legacy loaders */ 33 rk_clrsetreg(&grf->soc_con0, 34 NOC_REMAP_MASK << NOC_REMAP_SHIFT, 35 NOC_REMAP_MASK << NOC_REMAP_SHIFT); 36 } 37 38 return 0; 39 } 40 41 int board_init(void) 42 { 43 #if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM) 44 struct udevice *pinctrl; 45 int ret; 46 47 /* 48 * We need to implement sdcard iomux here for the further 49 * initialization, otherwise, it'll hit sdcard command sending 50 * timeout exception. 51 */ 52 ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); 53 if (ret) { 54 debug("%s: Cannot find pinctrl device\n", __func__); 55 goto err; 56 } 57 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD); 58 if (ret) { 59 debug("%s: Failed to set up SD card\n", __func__); 60 goto err; 61 } 62 63 return 0; 64 err: 65 printf("board_init: Error %d\n", ret); 66 67 /* No way to report error here */ 68 hang(); 69 70 return -1; 71 #else 72 return 0; 73 #endif 74 } 75 76 #ifndef CONFIG_SYS_DCACHE_OFF 77 void enable_caches(void) 78 { 79 /* Enable D-cache. I-cache is already enabled in start.S */ 80 dcache_enable(); 81 } 82 #endif 83