1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2019 Rockchip Electronics Co., Ltd
9 #include <asm/arch-rockchip/bootrom.h>
10 #include <asm/arch-rockchip/clock.h>
11 #include <asm/arch-rockchip/grf_rk3188.h>
12 #include <asm/arch-rockchip/hardware.h>
14 #define GRF_BASE 0x20008000
16 const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
17 [BROM_BOOTSOURCE_EMMC] = "dwmmc@1021c000",
18 [BROM_BOOTSOURCE_SD] = "dwmmc@10214000",
21 #ifdef CONFIG_DEBUG_UART_BOARD_INIT
22 void board_debug_uart_init(void)
24 /* Enable early UART on the RK3188 */
25 struct rk3188_grf * const grf = (void *)GRF_BASE;
40 rk_clrsetreg(&grf->gpio1b_iomux,
41 GPIO1B1_MASK << GPIO1B1_SHIFT |
42 GPIO1B0_MASK << GPIO1B0_SHIFT,
43 GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT |
44 GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
48 #ifdef CONFIG_SPL_BUILD
49 int arch_cpu_init(void)
51 struct rk3188_grf *grf;
53 grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
55 pr_err("grf syscon returned %ld\n", PTR_ERR(grf));
58 #ifdef CONFIG_ROCKCHIP_USB_UART
59 rk_clrsetreg(&grf->uoc0_con[0],
60 SIDDQ_MASK | UOC_DISABLE_MASK | COMMON_ON_N_MASK,
61 1 << SIDDQ_SHIFT | 1 << UOC_DISABLE_SHIFT |
62 1 << COMMON_ON_N_SHIFT);
63 rk_clrsetreg(&grf->uoc0_con[2],
64 SOFT_CON_SEL_MASK, 1 << SOFT_CON_SEL_SHIFT);
65 rk_clrsetreg(&grf->uoc0_con[3],
66 OPMODE_MASK | XCVRSELECT_MASK |
67 TERMSEL_FULLSPEED_MASK | SUSPENDN_MASK,
68 OPMODE_NODRIVING << OPMODE_SHIFT |
69 XCVRSELECT_FSTRANSC << XCVRSELECT_SHIFT |
70 1 << TERMSEL_FULLSPEED_SHIFT |
72 rk_clrsetreg(&grf->uoc0_con[0],
73 BYPASSSEL_MASK | BYPASSDMEN_MASK,
74 1 << BYPASSSEL_SHIFT | 1 << BYPASSDMEN_SHIFT);
77 /* enable noc remap to mimic legacy loaders */
78 rk_clrsetreg(&grf->soc_con0,
79 NOC_REMAP_MASK << NOC_REMAP_SHIFT,
80 NOC_REMAP_MASK << NOC_REMAP_SHIFT);
86 #ifdef CONFIG_SPL_BUILD
87 static int setup_led(void)
94 led_name = fdtdec_get_config_string(gd->fdt_blob, "u-boot,boot-led");
97 ret = led_get_by_label(led_name, &dev);
99 debug("%s: get=%d\n", __func__, ret);
102 ret = led_set_on(dev, 1);
110 void spl_board_init(void)
116 debug("LED ret=%d\n", ret);