1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2015 Google, Inc
4 */
5
6 #include <common.h>
7 #include <clk.h>
8 #include <dm.h>
9 #include <ram.h>
10 #include <syscon.h>
11 #include <asm/gpio.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 <dm/pinctrl.h>
19
rk_board_late_init(void)20 __weak int rk_board_late_init(void)
21 {
22 return 0;
23 }
24
board_late_init(void)25 int board_late_init(void)
26 {
27 struct rk3188_grf *grf;
28
29 setup_boot_mode();
30 grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
31 if (IS_ERR(grf)) {
32 pr_err("grf syscon returned %ld\n", PTR_ERR(grf));
33 } else {
34 /* enable noc remap to mimic legacy loaders */
35 rk_clrsetreg(&grf->soc_con0,
36 NOC_REMAP_MASK << NOC_REMAP_SHIFT,
37 NOC_REMAP_MASK << NOC_REMAP_SHIFT);
38 }
39
40 return rk_board_late_init();
41 }
42
board_init(void)43 int board_init(void)
44 {
45 #if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM)
46 struct udevice *pinctrl;
47 int ret;
48
49 /*
50 * We need to implement sdcard iomux here for the further
51 * initialization, otherwise, it'll hit sdcard command sending
52 * timeout exception.
53 */
54 ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
55 if (ret) {
56 debug("%s: Cannot find pinctrl device\n", __func__);
57 goto err;
58 }
59 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD);
60 if (ret) {
61 debug("%s: Failed to set up SD card\n", __func__);
62 goto err;
63 }
64
65 return 0;
66 err:
67 printf("board_init: Error %d\n", ret);
68
69 /* No way to report error here */
70 hang();
71
72 return -1;
73 #else
74 return 0;
75 #endif
76 }
77
78 #ifndef CONFIG_SYS_DCACHE_OFF
enable_caches(void)79 void enable_caches(void)
80 {
81 /* Enable D-cache. I-cache is already enabled in start.S */
82 dcache_enable();
83 }
84 #endif
85