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 int board_late_init(void) 22 { 23 struct rk3188_grf *grf; 24 25 setup_boot_mode(); 26 grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); 27 if (IS_ERR(grf)) { 28 pr_err("grf syscon returned %ld\n", PTR_ERR(grf)); 29 } else { 30 /* enable noc remap to mimic legacy loaders */ 31 rk_clrsetreg(&grf->soc_con0, 32 NOC_REMAP_MASK << NOC_REMAP_SHIFT, 33 NOC_REMAP_MASK << NOC_REMAP_SHIFT); 34 } 35 36 return 0; 37 } 38 39 int board_init(void) 40 { 41 #if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM) 42 struct udevice *pinctrl; 43 int ret; 44 45 /* 46 * We need to implement sdcard iomux here for the further 47 * initialization, otherwise, it'll hit sdcard command sending 48 * timeout exception. 49 */ 50 ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); 51 if (ret) { 52 debug("%s: Cannot find pinctrl device\n", __func__); 53 goto err; 54 } 55 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD); 56 if (ret) { 57 debug("%s: Failed to set up SD card\n", __func__); 58 goto err; 59 } 60 61 return 0; 62 err: 63 printf("board_init: Error %d\n", ret); 64 65 /* No way to report error here */ 66 hang(); 67 68 return -1; 69 #else 70 return 0; 71 #endif 72 } 73 74 #ifndef CONFIG_SYS_DCACHE_OFF 75 void enable_caches(void) 76 { 77 /* Enable D-cache. I-cache is already enabled in start.S */ 78 dcache_enable(); 79 } 80 #endif 81