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 grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); 28 if (IS_ERR(grf)) { 29 error("grf syscon returned %ld\n", PTR_ERR(grf)); 30 } else { 31 /* enable noc remap to mimic legacy loaders */ 32 rk_clrsetreg(&grf->soc_con0, 33 NOC_REMAP_MASK << NOC_REMAP_SHIFT, 34 NOC_REMAP_MASK << NOC_REMAP_SHIFT); 35 } 36 37 return 0; 38 } 39 40 int board_init(void) 41 { 42 #if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM) 43 struct udevice *pinctrl; 44 int ret; 45 46 /* 47 * We need to implement sdcard iomux here for the further 48 * initialization, otherwise, it'll hit sdcard command sending 49 * timeout exception. 50 */ 51 ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); 52 if (ret) { 53 debug("%s: Cannot find pinctrl device\n", __func__); 54 goto err; 55 } 56 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD); 57 if (ret) { 58 debug("%s: Failed to set up SD card\n", __func__); 59 goto err; 60 } 61 62 return 0; 63 err: 64 printf("board_init: Error %d\n", ret); 65 66 /* No way to report error here */ 67 hang(); 68 69 return -1; 70 #else 71 return 0; 72 #endif 73 } 74 75 #ifndef CONFIG_SYS_DCACHE_OFF 76 void enable_caches(void) 77 { 78 /* Enable D-cache. I-cache is already enabled in start.S */ 79 dcache_enable(); 80 } 81 #endif 82