1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2019 Rockchip Electronics Co., Ltd
13 #include <asm/arch-rockchip/bootrom.h>
14 #include <asm/arch-rockchip/clock.h>
15 #include <asm/arch-rockchip/grf_rk3188.h>
16 #include <asm/arch-rockchip/hardware.h>
17 #include <linux/err.h>
19 #define GRF_BASE 0x20008000
21 const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
22 [BROM_BOOTSOURCE_EMMC] = "/dwmmc@1021c000",
23 [BROM_BOOTSOURCE_SD] = "/dwmmc@10214000",
26 #ifdef CONFIG_DEBUG_UART_BOARD_INIT
27 void board_debug_uart_init(void)
29 /* Enable early UART on the RK3188 */
30 struct rk3188_grf * const grf = (void *)GRF_BASE;
45 rk_clrsetreg(&grf->gpio1b_iomux,
46 GPIO1B1_MASK << GPIO1B1_SHIFT |
47 GPIO1B0_MASK << GPIO1B0_SHIFT,
48 GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT |
49 GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
53 #ifdef CONFIG_SPL_BUILD
54 int arch_cpu_init(void)
56 struct rk3188_grf *grf;
58 grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
60 pr_err("grf syscon returned %ld\n", PTR_ERR(grf));
63 #ifdef CONFIG_ROCKCHIP_USB_UART
64 rk_clrsetreg(&grf->uoc0_con[0],
65 SIDDQ_MASK | UOC_DISABLE_MASK | COMMON_ON_N_MASK,
66 1 << SIDDQ_SHIFT | 1 << UOC_DISABLE_SHIFT |
67 1 << COMMON_ON_N_SHIFT);
68 rk_clrsetreg(&grf->uoc0_con[2],
69 SOFT_CON_SEL_MASK, 1 << SOFT_CON_SEL_SHIFT);
70 rk_clrsetreg(&grf->uoc0_con[3],
71 OPMODE_MASK | XCVRSELECT_MASK |
72 TERMSEL_FULLSPEED_MASK | SUSPENDN_MASK,
73 OPMODE_NODRIVING << OPMODE_SHIFT |
74 XCVRSELECT_FSTRANSC << XCVRSELECT_SHIFT |
75 1 << TERMSEL_FULLSPEED_SHIFT |
77 rk_clrsetreg(&grf->uoc0_con[0],
78 BYPASSSEL_MASK | BYPASSDMEN_MASK,
79 1 << BYPASSSEL_SHIFT | 1 << BYPASSDMEN_SHIFT);
85 __weak int rk3188_board_late_init(void)
90 int rk_board_late_init(void)
92 struct rk3188_grf *grf;
94 grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
96 pr_err("grf syscon returned %ld\n", PTR_ERR(grf));
100 /* enable noc remap to mimic legacy loaders */
101 rk_clrsetreg(&grf->soc_con0,
102 NOC_REMAP_MASK << NOC_REMAP_SHIFT,
103 NOC_REMAP_MASK << NOC_REMAP_SHIFT);
105 return rk3188_board_late_init();
108 #ifdef CONFIG_SPL_BUILD
109 DECLARE_GLOBAL_DATA_PTR;
110 static int setup_led(void)
112 #ifdef CONFIG_SPL_LED
117 led_name = fdtdec_get_config_string(gd->fdt_blob, "u-boot,boot-led");
120 ret = led_get_by_label(led_name, &dev);
122 debug("%s: get=%d\n", __func__, ret);
125 ret = led_set_state(dev, LEDST_ON);
133 void spl_board_init(void)
139 debug("LED ret=%d\n", ret);