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f5bc9929 JT |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * Copyright (c) 2021 Rockchip Electronics Co., Ltd | |
4 | * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd. | |
5 | */ | |
6 | ||
d678a59d | 7 | #include <common.h> |
f5bc9929 JT |
8 | #include <spl.h> |
9 | #include <asm/armv8/mmu.h> | |
e259f39a | 10 | #include <asm/arch-rockchip/bootrom.h> |
5d710738 | 11 | #include <asm/arch-rockchip/grf_rk3588.h> |
f5bc9929 JT |
12 | #include <asm/arch-rockchip/hardware.h> |
13 | #include <asm/arch-rockchip/ioc_rk3588.h> | |
14 | ||
f5bc9929 JT |
15 | #define FIREWALL_DDR_BASE 0xfe030000 |
16 | #define FW_DDR_MST5_REG 0x54 | |
17 | #define FW_DDR_MST13_REG 0x74 | |
18 | #define FW_DDR_MST21_REG 0x94 | |
19 | #define FW_DDR_MST26_REG 0xa8 | |
20 | #define FW_DDR_MST27_REG 0xac | |
21 | #define FIREWALL_SYSMEM_BASE 0xfe038000 | |
22 | #define FW_SYSM_MST5_REG 0x54 | |
23 | #define FW_SYSM_MST13_REG 0x74 | |
24 | #define FW_SYSM_MST21_REG 0x94 | |
25 | #define FW_SYSM_MST26_REG 0xa8 | |
26 | #define FW_SYSM_MST27_REG 0xac | |
27 | ||
f5bc9929 JT |
28 | #define BUS_IOC_GPIO2A_IOMUX_SEL_L 0x40 |
29 | #define BUS_IOC_GPIO2B_IOMUX_SEL_L 0x48 | |
30 | #define BUS_IOC_GPIO2D_IOMUX_SEL_L 0x58 | |
31 | #define BUS_IOC_GPIO2D_IOMUX_SEL_H 0x5c | |
32 | #define BUS_IOC_GPIO3A_IOMUX_SEL_L 0x60 | |
33 | ||
5d710738 QS |
34 | #define SYS_GRF_FORCE_JTAG BIT(14) |
35 | ||
0d5104cd JK |
36 | /** |
37 | * Boot-device identifiers used by the BROM on RK3588 when device is booted | |
38 | * from SPI flash. IOMUX used for SPI flash affect the value used by the BROM | |
39 | * and not the type of SPI flash used. | |
40 | */ | |
41 | enum { | |
42 | BROM_BOOTSOURCE_FSPI_M0 = 3, | |
43 | BROM_BOOTSOURCE_FSPI_M1 = 4, | |
44 | BROM_BOOTSOURCE_FSPI_M2 = 6, | |
45 | }; | |
46 | ||
e259f39a JK |
47 | const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = { |
48 | [BROM_BOOTSOURCE_EMMC] = "/mmc@fe2e0000", | |
0d5104cd JK |
49 | [BROM_BOOTSOURCE_FSPI_M0] = "/spi@fe2b0000/flash@0", |
50 | [BROM_BOOTSOURCE_FSPI_M1] = "/spi@fe2b0000/flash@0", | |
51 | [BROM_BOOTSOURCE_FSPI_M2] = "/spi@fe2b0000/flash@0", | |
e259f39a JK |
52 | [BROM_BOOTSOURCE_SD] = "/mmc@fe2c0000", |
53 | }; | |
54 | ||
f5bc9929 JT |
55 | static struct mm_region rk3588_mem_map[] = { |
56 | { | |
57 | .virt = 0x0UL, | |
58 | .phys = 0x0UL, | |
59 | .size = 0xf0000000UL, | |
60 | .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | | |
61 | PTE_BLOCK_INNER_SHARE | |
62 | }, { | |
63 | .virt = 0xf0000000UL, | |
64 | .phys = 0xf0000000UL, | |
65 | .size = 0x10000000UL, | |
66 | .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | | |
67 | PTE_BLOCK_NON_SHARE | | |
68 | PTE_BLOCK_PXN | PTE_BLOCK_UXN | |
69 | }, { | |
70 | .virt = 0x900000000, | |
71 | .phys = 0x900000000, | |
72 | .size = 0x150000000, | |
73 | .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | | |
74 | PTE_BLOCK_NON_SHARE | | |
75 | PTE_BLOCK_PXN | PTE_BLOCK_UXN | |
76 | }, { | |
77 | /* List terminator */ | |
78 | 0, | |
79 | } | |
80 | }; | |
81 | ||
82 | struct mm_region *mem_map = rk3588_mem_map; | |
83 | ||
84 | /* GPIO0B_IOMUX_SEL_H */ | |
85 | enum { | |
86 | GPIO0B5_SHIFT = 4, | |
87 | GPIO0B5_MASK = GENMASK(7, 4), | |
88 | GPIO0B5_REFER = 8, | |
89 | GPIO0B5_UART2_TX_M0 = 10, | |
90 | ||
91 | GPIO0B6_SHIFT = 8, | |
92 | GPIO0B6_MASK = GENMASK(11, 8), | |
93 | GPIO0B6_REFER = 8, | |
94 | GPIO0B6_UART2_RX_M0 = 10, | |
95 | }; | |
96 | ||
97 | void board_debug_uart_init(void) | |
98 | { | |
99 | __maybe_unused static struct rk3588_bus_ioc * const bus_ioc = (void *)BUS_IOC_BASE; | |
100 | static struct rk3588_pmu2_ioc * const pmu2_ioc = (void *)PMU2_IOC_BASE; | |
101 | ||
102 | /* Refer to BUS_IOC */ | |
103 | rk_clrsetreg(&pmu2_ioc->gpio0b_iomux_sel_h, | |
104 | GPIO0B6_MASK | GPIO0B5_MASK, | |
105 | GPIO0B6_REFER << GPIO0B6_SHIFT | | |
106 | GPIO0B5_REFER << GPIO0B5_SHIFT); | |
107 | ||
108 | /* UART2_M0 Switch iomux */ | |
109 | rk_clrsetreg(&bus_ioc->gpio0b_iomux_sel_h, | |
110 | GPIO0B6_MASK | GPIO0B5_MASK, | |
111 | GPIO0B6_UART2_RX_M0 << GPIO0B6_SHIFT | | |
112 | GPIO0B5_UART2_TX_M0 << GPIO0B5_SHIFT); | |
113 | } | |
114 | ||
115 | #ifdef CONFIG_SPL_BUILD | |
116 | void rockchip_stimer_init(void) | |
117 | { | |
118 | /* If Timer already enabled, don't re-init it */ | |
119 | u32 reg = readl(CONFIG_ROCKCHIP_STIMER_BASE + 0x4); | |
120 | ||
121 | if (reg & 0x1) | |
122 | return; | |
123 | ||
124 | asm volatile("msr CNTFRQ_EL0, %0" : : "r" (CONFIG_COUNTER_FREQUENCY)); | |
125 | writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 0x14); | |
126 | writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 0x18); | |
127 | writel(0x1, CONFIG_ROCKCHIP_STIMER_BASE + 0x4); | |
128 | } | |
129 | #endif | |
130 | ||
131 | #ifndef CONFIG_TPL_BUILD | |
132 | int arch_cpu_init(void) | |
133 | { | |
134 | #ifdef CONFIG_SPL_BUILD | |
5d710738 QS |
135 | #ifdef CONFIG_ROCKCHIP_DISABLE_FORCE_JTAG |
136 | static struct rk3588_sysgrf * const sys_grf = (void *)SYS_GRF_BASE; | |
137 | #endif | |
f5bc9929 JT |
138 | int secure_reg; |
139 | ||
140 | /* Set the SDMMC eMMC crypto_ns FSPI access secure area */ | |
141 | secure_reg = readl(FIREWALL_DDR_BASE + FW_DDR_MST5_REG); | |
142 | secure_reg &= 0xffff; | |
143 | writel(secure_reg, FIREWALL_DDR_BASE + FW_DDR_MST5_REG); | |
144 | secure_reg = readl(FIREWALL_DDR_BASE + FW_DDR_MST13_REG); | |
145 | secure_reg &= 0xffff; | |
146 | writel(secure_reg, FIREWALL_DDR_BASE + FW_DDR_MST13_REG); | |
147 | secure_reg = readl(FIREWALL_DDR_BASE + FW_DDR_MST21_REG); | |
148 | secure_reg &= 0xffff; | |
149 | writel(secure_reg, FIREWALL_DDR_BASE + FW_DDR_MST21_REG); | |
150 | secure_reg = readl(FIREWALL_DDR_BASE + FW_DDR_MST26_REG); | |
151 | secure_reg &= 0xffff; | |
152 | writel(secure_reg, FIREWALL_DDR_BASE + FW_DDR_MST26_REG); | |
153 | secure_reg = readl(FIREWALL_DDR_BASE + FW_DDR_MST27_REG); | |
154 | secure_reg &= 0xffff0000; | |
155 | writel(secure_reg, FIREWALL_DDR_BASE + FW_DDR_MST27_REG); | |
156 | ||
157 | secure_reg = readl(FIREWALL_SYSMEM_BASE + FW_SYSM_MST5_REG); | |
158 | secure_reg &= 0xffff; | |
159 | writel(secure_reg, FIREWALL_SYSMEM_BASE + FW_SYSM_MST5_REG); | |
160 | secure_reg = readl(FIREWALL_SYSMEM_BASE + FW_SYSM_MST13_REG); | |
161 | secure_reg &= 0xffff; | |
162 | writel(secure_reg, FIREWALL_SYSMEM_BASE + FW_SYSM_MST13_REG); | |
163 | secure_reg = readl(FIREWALL_SYSMEM_BASE + FW_SYSM_MST21_REG); | |
164 | secure_reg &= 0xffff; | |
165 | writel(secure_reg, FIREWALL_SYSMEM_BASE + FW_SYSM_MST21_REG); | |
166 | secure_reg = readl(FIREWALL_SYSMEM_BASE + FW_SYSM_MST26_REG); | |
167 | secure_reg &= 0xffff; | |
168 | writel(secure_reg, FIREWALL_SYSMEM_BASE + FW_SYSM_MST26_REG); | |
169 | secure_reg = readl(FIREWALL_SYSMEM_BASE + FW_SYSM_MST27_REG); | |
170 | secure_reg &= 0xffff0000; | |
171 | writel(secure_reg, FIREWALL_SYSMEM_BASE + FW_SYSM_MST27_REG); | |
5d710738 QS |
172 | |
173 | #ifdef CONFIG_ROCKCHIP_DISABLE_FORCE_JTAG | |
174 | /* Disable JTAG exposed on SDMMC */ | |
175 | rk_clrreg(&sys_grf->soc_con[6], SYS_GRF_FORCE_JTAG); | |
176 | #endif | |
f5bc9929 JT |
177 | #endif |
178 | ||
179 | return 0; | |
180 | } | |
181 | #endif |