2 * board/renesas/salvator-x/salvator-x.c
3 * This file is Salvator-X/Salvator-XS board support.
5 * Copyright (C) 2015-2017 Renesas Electronics Corporation
6 * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
8 * SPDX-License-Identifier: GPL-2.0+
15 #include <dm/platform_data/serial_sh.h>
16 #include <asm/processor.h>
17 #include <asm/mach-types.h>
19 #include <linux/errno.h>
20 #include <asm/arch/sys_proto.h>
22 #include <asm/arch/gpio.h>
23 #include <asm/arch/rmobile.h>
24 #include <asm/arch/rcar-mstp.h>
25 #include <asm/arch/sh_sdhi.h>
29 DECLARE_GLOBAL_DATA_PTR;
31 #define CPGWPCR 0xE6150904
32 #define CPGWPR 0xE615090C
34 #define CLK2MHZ(clk) (clk / 1000 / 1000)
37 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
38 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
41 writel(0xA5A5A500, &rwdt->rwtcsra);
42 writel(0xA5A5A500, &swdt->swtcsra);
44 writel(0xA5A50000, CPGWPCR);
45 writel(0xFFFFFFFF, CPGWPR);
48 #define GSX_MSTP112 BIT(12) /* 3DG */
49 #define TMU0_MSTP125 BIT(25) /* secure */
50 #define TMU1_MSTP124 BIT(24) /* non-secure */
51 #define SCIF2_MSTP310 BIT(10) /* SCIF2 */
52 #define ETHERAVB_MSTP812 BIT(12)
53 #define DVFS_MSTP926 BIT(26)
54 #define SD0_MSTP314 BIT(14)
55 #define SD1_MSTP313 BIT(13)
56 #define SD2_MSTP312 BIT(12) /* either MMC0 */
57 #define SD3_MSTP311 BIT(11) /* either MMC1 */
59 #define SD0CKCR 0xE6150074
60 #define SD1CKCR 0xE6150078
61 #define SD2CKCR 0xE6150268
62 #define SD3CKCR 0xE615026C
64 int board_early_init_f(void)
66 /* TMU0,1 */ /* which use ? */
67 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 | TMU1_MSTP124);
69 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SCIF2_MSTP310);
71 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHERAVB_MSTP812);
73 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD1_MSTP313 | SD2_MSTP312);
75 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD0_MSTP314 | SD3_MSTP311);
82 #if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
84 mstp_clrbits_le32(MSTPSR9, SMSTPCR9, DVFS_MSTP926);
90 /* R/- 32 Power status register 2(3DG) */
91 #define SYSC_PWRSR2 0xE6180100
92 /* -/W 32 Power resume control register 2 (3DG) */
93 #define SYSC_PWRONCR2 0xE618010C
97 /* adress of boot parameters */
98 gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
100 /* Init PFC controller */
101 #if defined(CONFIG_R8A7795)
102 r8a7795_pinmux_init();
103 #elif defined(CONFIG_R8A7796)
104 r8a7796_pinmux_init();
107 #if defined(CONFIG_R8A7795)
108 /* GSX: force power and clock supply */
109 writel(0x0000001F, SYSC_PWRONCR2);
110 while (readl(SYSC_PWRSR2) != 0x000003E0)
113 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, GSX_MSTP112);
117 setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);
119 #ifdef CONFIG_RENESAS_RAVB
120 /* EtherAVB Enable */
122 gpio_request(GPIO_GFN_AVB_AVTP_CAPTURE_A, NULL);
123 gpio_request(GPIO_GFN_AVB_AVTP_MATCH_A, NULL);
124 gpio_request(GPIO_GFN_AVB_LINK, NULL);
125 gpio_request(GPIO_GFN_AVB_PHY_INT, NULL);
126 gpio_request(GPIO_GFN_AVB_MAGIC, NULL);
127 gpio_request(GPIO_GFN_AVB_MDC, NULL);
130 gpio_request(GPIO_IFN_AVB_MDC, NULL);
131 gpio_request(GPIO_IFN_AVB_MAGIC, NULL);
132 gpio_request(GPIO_IFN_AVB_PHY_INT, NULL);
133 gpio_request(GPIO_IFN_AVB_LINK, NULL);
134 gpio_request(GPIO_IFN_AVB_AVTP_MATCH_A, NULL);
135 gpio_request(GPIO_IFN_AVB_AVTP_CAPTURE_A, NULL);
137 gpio_request(GPIO_FN_AVB_AVTP_PPS, NULL);
139 gpio_request(GPIO_FN_AVB_AVTP_MATCH_B, NULL);
141 gpio_request(GPIO_FN_AVB_AVTP_CAPTURE_B, NULL);
143 #if defined(CONFIG_R8A7795)
145 gpio_request(GPIO_GP_6_15, NULL);
146 gpio_direction_input(GPIO_GP_6_15);
149 gpio_request(GPIO_GP_6_14, NULL);
150 gpio_direction_output(GPIO_GP_6_14, 1);
151 gpio_set_value(GPIO_GP_6_14, 1);
154 gpio_request(GPIO_GP_2_10, NULL);
155 gpio_direction_output(GPIO_GP_2_10, 0);
157 gpio_set_value(GPIO_GP_2_10, 1);
164 #ifdef CONFIG_SH_SDHI
165 int board_mmc_init(bd_t *bis)
168 gpio_request(GPIO_GFN_SD0_DAT0, NULL);
169 gpio_request(GPIO_GFN_SD0_DAT1, NULL);
170 gpio_request(GPIO_GFN_SD0_DAT2, NULL);
171 gpio_request(GPIO_GFN_SD0_DAT3, NULL);
172 gpio_request(GPIO_GFN_SD0_CLK, NULL);
173 gpio_request(GPIO_GFN_SD0_CMD, NULL);
174 gpio_request(GPIO_GFN_SD0_CD, NULL);
175 gpio_request(GPIO_GFN_SD0_WP, NULL);
177 gpio_request(GPIO_GP_5_2, NULL);
178 gpio_request(GPIO_GP_5_1, NULL);
179 gpio_direction_output(GPIO_GP_5_2, 1); /* power on */
180 gpio_direction_output(GPIO_GP_5_1, 1); /* 1: 3.3V, 0: 1.8V */
182 /* SDHI1/SDHI2 eMMC */
183 gpio_request(GPIO_GFN_SD1_DAT0, NULL);
184 gpio_request(GPIO_GFN_SD1_DAT1, NULL);
185 gpio_request(GPIO_GFN_SD1_DAT2, NULL);
186 gpio_request(GPIO_GFN_SD1_DAT3, NULL);
187 gpio_request(GPIO_GFN_SD2_DAT0, NULL);
188 gpio_request(GPIO_GFN_SD2_DAT1, NULL);
189 gpio_request(GPIO_GFN_SD2_DAT2, NULL);
190 gpio_request(GPIO_GFN_SD2_DAT3, NULL);
191 gpio_request(GPIO_GFN_SD2_CLK, NULL);
192 #if defined(CONFIG_R8A7795)
193 gpio_request(GPIO_GFN_SD2_CMD, NULL);
194 #elif defined(CONFIG_R8A7796)
195 gpio_request(GPIO_FN_SD2_CMD, NULL);
197 #error Only R8A7795 and R87796 is supported
199 gpio_request(GPIO_GP_5_3, NULL);
200 gpio_request(GPIO_GP_5_9, NULL);
201 gpio_direction_output(GPIO_GP_5_3, 0); /* 1: 3.3V, 0: 1.8V */
202 gpio_direction_output(GPIO_GP_5_9, 0); /* 1: 3.3V, 0: 1.8V */
204 #if defined(CONFIG_R8A7795)
206 gpio_request(GPIO_GFN_SD3_DAT0, NULL); /* GP_4_9 */
207 gpio_request(GPIO_GFN_SD3_DAT1, NULL); /* GP_4_10 */
208 gpio_request(GPIO_GFN_SD3_DAT2, NULL); /* GP_4_11 */
209 gpio_request(GPIO_GFN_SD3_DAT3, NULL); /* GP_4_12 */
210 gpio_request(GPIO_GFN_SD3_CLK, NULL); /* GP_4_7 */
211 gpio_request(GPIO_GFN_SD3_CMD, NULL); /* GP_4_8 */
212 #elif defined(CONFIG_R8A7796)
213 gpio_request(GPIO_FN_SD3_DAT0, NULL); /* GP_4_9 */
214 gpio_request(GPIO_FN_SD3_DAT1, NULL); /* GP_4_10 */
215 gpio_request(GPIO_FN_SD3_DAT2, NULL); /* GP_4_11 */
216 gpio_request(GPIO_FN_SD3_DAT3, NULL); /* GP_4_12 */
217 gpio_request(GPIO_FN_SD3_CLK, NULL); /* GP_4_7 */
218 gpio_request(GPIO_FN_SD3_CMD, NULL); /* GP_4_8 */
220 #error Only R8A7795 and R87796 is supported
223 gpio_request(GPIO_FN_SD3_CD, NULL);
224 gpio_request(GPIO_FN_SD3_WP, NULL);
226 gpio_request(GPIO_GP_3_15, NULL);
227 gpio_request(GPIO_GP_3_14, NULL);
228 gpio_direction_output(GPIO_GP_3_15, 1); /* power on */
229 gpio_direction_output(GPIO_GP_3_14, 1); /* 1: 3.3V, 0: 1.8V */
237 gd->ram_size = PHYS_SDRAM_1_SIZE;
238 #if (CONFIG_NR_DRAM_BANKS >= 2)
239 gd->ram_size += PHYS_SDRAM_2_SIZE;
241 #if (CONFIG_NR_DRAM_BANKS >= 3)
242 gd->ram_size += PHYS_SDRAM_3_SIZE;
244 #if (CONFIG_NR_DRAM_BANKS >= 4)
245 gd->ram_size += PHYS_SDRAM_4_SIZE;
251 int dram_init_banksize(void)
253 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
254 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
255 #if (CONFIG_NR_DRAM_BANKS >= 2)
256 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
257 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
259 #if (CONFIG_NR_DRAM_BANKS >= 3)
260 gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
261 gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
263 #if (CONFIG_NR_DRAM_BANKS >= 4)
264 gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
265 gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
270 const struct rmobile_sysinfo sysinfo = {
271 CONFIG_RCAR_BOARD_STRING
274 #define RST_BASE 0xE6160000
275 #define RST_CA57RESCNT (RST_BASE + 0x40)
276 #define RST_CA53RESCNT (RST_BASE + 0x44)
277 #define RST_RSTOUTCR (RST_BASE + 0x58)
278 #define RST_CODE 0xA5A5000F
280 void reset_cpu(ulong addr)
282 #if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
283 i2c_reg_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x20, 0x80);
286 writel(RST_CODE, RST_CA57RESCNT);