Thomas Gleixner | 0fdebc5 | 2022-06-07 16:11:14 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
viresh kumar | bc4e814 | 2010-04-01 12:30:58 +0100 | [diff] [blame] | 2 | /* |
| 3 | * arch/arm/mach-spear3xx/spear320.c |
| 4 | * |
| 5 | * SPEAr320 machine source file |
| 6 | * |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 7 | * Copyright (C) 2009-2012 ST Microelectronics |
Viresh Kumar | da89947 | 2015-07-17 16:23:50 -0700 | [diff] [blame] | 8 | * Viresh Kumar <vireshk@kernel.org> |
viresh kumar | bc4e814 | 2010-04-01 12:30:58 +0100 | [diff] [blame] | 9 | */ |
| 10 | |
Viresh Kumar | 5fb00f9 | 2012-03-26 10:39:43 +0530 | [diff] [blame] | 11 | #define pr_fmt(fmt) "SPEAr320: " fmt |
| 12 | |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 13 | #include <linux/amba/pl022.h> |
| 14 | #include <linux/amba/pl08x.h> |
| 15 | #include <linux/amba/serial.h> |
| 16 | #include <linux/of_platform.h> |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 17 | #include <asm/mach/arch.h> |
Arnd Bergmann | 5447521 | 2013-03-12 17:00:03 +0100 | [diff] [blame] | 18 | #include <asm/mach/map.h> |
Arnd Bergmann | 2b9c613 | 2012-12-02 15:49:04 +0100 | [diff] [blame] | 19 | #include "generic.h" |
Arnd Bergmann | c164620 | 2022-04-28 09:44:23 +0200 | [diff] [blame] | 20 | #include "spear.h" |
viresh kumar | bc4e814 | 2010-04-01 12:30:58 +0100 | [diff] [blame] | 21 | |
Arnd Bergmann | 5019f0b | 2012-04-11 17:30:11 +0000 | [diff] [blame] | 22 | #define SPEAR320_UART1_BASE UL(0xA3000000) |
| 23 | #define SPEAR320_UART2_BASE UL(0xA4000000) |
| 24 | #define SPEAR320_SSP0_BASE UL(0xA5000000) |
| 25 | #define SPEAR320_SSP1_BASE UL(0xA6000000) |
Arnd Bergmann | 5019f0b | 2012-04-11 17:30:11 +0000 | [diff] [blame] | 26 | |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 27 | /* DMAC platform data's slave info */ |
| 28 | struct pl08x_channel_data spear320_dma_info[] = { |
| 29 | { |
| 30 | .bus_id = "uart0_rx", |
| 31 | .min_signal = 2, |
| 32 | .max_signal = 2, |
| 33 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 34 | .periph_buses = PL08X_AHB1, |
| 35 | }, { |
| 36 | .bus_id = "uart0_tx", |
| 37 | .min_signal = 3, |
| 38 | .max_signal = 3, |
| 39 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 40 | .periph_buses = PL08X_AHB1, |
| 41 | }, { |
| 42 | .bus_id = "ssp0_rx", |
| 43 | .min_signal = 8, |
| 44 | .max_signal = 8, |
| 45 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 46 | .periph_buses = PL08X_AHB1, |
| 47 | }, { |
| 48 | .bus_id = "ssp0_tx", |
| 49 | .min_signal = 9, |
| 50 | .max_signal = 9, |
| 51 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 52 | .periph_buses = PL08X_AHB1, |
| 53 | }, { |
| 54 | .bus_id = "i2c0_rx", |
| 55 | .min_signal = 10, |
| 56 | .max_signal = 10, |
| 57 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 58 | .periph_buses = PL08X_AHB1, |
| 59 | }, { |
| 60 | .bus_id = "i2c0_tx", |
| 61 | .min_signal = 11, |
| 62 | .max_signal = 11, |
| 63 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 64 | .periph_buses = PL08X_AHB1, |
| 65 | }, { |
| 66 | .bus_id = "irda", |
| 67 | .min_signal = 12, |
| 68 | .max_signal = 12, |
| 69 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 70 | .periph_buses = PL08X_AHB1, |
| 71 | }, { |
| 72 | .bus_id = "adc", |
| 73 | .min_signal = 13, |
| 74 | .max_signal = 13, |
| 75 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 76 | .periph_buses = PL08X_AHB1, |
| 77 | }, { |
| 78 | .bus_id = "to_jpeg", |
| 79 | .min_signal = 14, |
| 80 | .max_signal = 14, |
| 81 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 82 | .periph_buses = PL08X_AHB1, |
| 83 | }, { |
| 84 | .bus_id = "from_jpeg", |
| 85 | .min_signal = 15, |
| 86 | .max_signal = 15, |
| 87 | .muxval = 0, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 88 | .periph_buses = PL08X_AHB1, |
| 89 | }, { |
| 90 | .bus_id = "ssp1_rx", |
| 91 | .min_signal = 0, |
| 92 | .max_signal = 0, |
| 93 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 94 | .periph_buses = PL08X_AHB2, |
| 95 | }, { |
| 96 | .bus_id = "ssp1_tx", |
| 97 | .min_signal = 1, |
| 98 | .max_signal = 1, |
| 99 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 100 | .periph_buses = PL08X_AHB2, |
| 101 | }, { |
| 102 | .bus_id = "ssp2_rx", |
| 103 | .min_signal = 2, |
| 104 | .max_signal = 2, |
| 105 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 106 | .periph_buses = PL08X_AHB2, |
| 107 | }, { |
| 108 | .bus_id = "ssp2_tx", |
| 109 | .min_signal = 3, |
| 110 | .max_signal = 3, |
| 111 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 112 | .periph_buses = PL08X_AHB2, |
| 113 | }, { |
| 114 | .bus_id = "uart1_rx", |
| 115 | .min_signal = 4, |
| 116 | .max_signal = 4, |
| 117 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 118 | .periph_buses = PL08X_AHB2, |
| 119 | }, { |
| 120 | .bus_id = "uart1_tx", |
| 121 | .min_signal = 5, |
| 122 | .max_signal = 5, |
| 123 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 124 | .periph_buses = PL08X_AHB2, |
| 125 | }, { |
| 126 | .bus_id = "uart2_rx", |
| 127 | .min_signal = 6, |
| 128 | .max_signal = 6, |
| 129 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 130 | .periph_buses = PL08X_AHB2, |
| 131 | }, { |
| 132 | .bus_id = "uart2_tx", |
| 133 | .min_signal = 7, |
| 134 | .max_signal = 7, |
| 135 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 136 | .periph_buses = PL08X_AHB2, |
| 137 | }, { |
| 138 | .bus_id = "i2c1_rx", |
| 139 | .min_signal = 8, |
| 140 | .max_signal = 8, |
| 141 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 142 | .periph_buses = PL08X_AHB2, |
| 143 | }, { |
| 144 | .bus_id = "i2c1_tx", |
| 145 | .min_signal = 9, |
| 146 | .max_signal = 9, |
| 147 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 148 | .periph_buses = PL08X_AHB2, |
| 149 | }, { |
| 150 | .bus_id = "i2c2_rx", |
| 151 | .min_signal = 10, |
| 152 | .max_signal = 10, |
| 153 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 154 | .periph_buses = PL08X_AHB2, |
| 155 | }, { |
| 156 | .bus_id = "i2c2_tx", |
| 157 | .min_signal = 11, |
| 158 | .max_signal = 11, |
| 159 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 160 | .periph_buses = PL08X_AHB2, |
| 161 | }, { |
| 162 | .bus_id = "i2s_rx", |
| 163 | .min_signal = 12, |
| 164 | .max_signal = 12, |
| 165 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 166 | .periph_buses = PL08X_AHB2, |
| 167 | }, { |
| 168 | .bus_id = "i2s_tx", |
| 169 | .min_signal = 13, |
| 170 | .max_signal = 13, |
| 171 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 172 | .periph_buses = PL08X_AHB2, |
| 173 | }, { |
| 174 | .bus_id = "rs485_rx", |
| 175 | .min_signal = 14, |
| 176 | .max_signal = 14, |
| 177 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 178 | .periph_buses = PL08X_AHB2, |
| 179 | }, { |
| 180 | .bus_id = "rs485_tx", |
| 181 | .min_signal = 15, |
| 182 | .max_signal = 15, |
| 183 | .muxval = 1, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 184 | .periph_buses = PL08X_AHB2, |
| 185 | }, |
| 186 | }; |
viresh kumar | c2c0783 | 2011-03-07 05:57:05 +0100 | [diff] [blame] | 187 | |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 188 | static struct pl022_ssp_controller spear320_ssp_data[] = { |
| 189 | { |
| 190 | .bus_id = 1, |
| 191 | .enable_dma = 1, |
| 192 | .dma_filter = pl08x_filter_id, |
| 193 | .dma_tx_param = "ssp1_tx", |
| 194 | .dma_rx_param = "ssp1_rx", |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 195 | }, { |
| 196 | .bus_id = 2, |
| 197 | .enable_dma = 1, |
| 198 | .dma_filter = pl08x_filter_id, |
| 199 | .dma_tx_param = "ssp2_tx", |
| 200 | .dma_rx_param = "ssp2_rx", |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 201 | } |
| 202 | }; |
| 203 | |
| 204 | static struct amba_pl011_data spear320_uart_data[] = { |
| 205 | { |
| 206 | .dma_filter = pl08x_filter_id, |
| 207 | .dma_tx_param = "uart1_tx", |
| 208 | .dma_rx_param = "uart1_rx", |
| 209 | }, { |
| 210 | .dma_filter = pl08x_filter_id, |
| 211 | .dma_tx_param = "uart2_tx", |
| 212 | .dma_rx_param = "uart2_rx", |
| 213 | }, |
| 214 | }; |
| 215 | |
| 216 | /* Add SPEAr310 auxdata to pass platform data */ |
| 217 | static struct of_dev_auxdata spear320_auxdata_lookup[] __initdata = { |
| 218 | OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL, |
| 219 | &pl022_plat_data), |
Arnd Bergmann | d42799b | 2012-12-02 14:45:27 +0100 | [diff] [blame] | 220 | OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL, |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 221 | &pl080_plat_data), |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 222 | OF_DEV_AUXDATA("arm,pl022", SPEAR320_SSP0_BASE, NULL, |
| 223 | &spear320_ssp_data[0]), |
| 224 | OF_DEV_AUXDATA("arm,pl022", SPEAR320_SSP1_BASE, NULL, |
| 225 | &spear320_ssp_data[1]), |
| 226 | OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART1_BASE, NULL, |
| 227 | &spear320_uart_data[0]), |
| 228 | OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART2_BASE, NULL, |
| 229 | &spear320_uart_data[1]), |
| 230 | {} |
| 231 | }; |
| 232 | |
| 233 | static void __init spear320_dt_init(void) |
viresh kumar | bc4e814 | 2010-04-01 12:30:58 +0100 | [diff] [blame] | 234 | { |
Viresh Kumar | 0b7ee71 | 2012-03-26 10:29:23 +0530 | [diff] [blame] | 235 | pl080_plat_data.slave_channels = spear320_dma_info; |
| 236 | pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear320_dma_info); |
| 237 | |
Kefeng Wang | 435ebcb | 2016-06-01 14:53:05 +0800 | [diff] [blame] | 238 | of_platform_default_populate(NULL, spear320_auxdata_lookup, NULL); |
viresh kumar | 70f4c0b | 2010-04-01 12:31:29 +0100 | [diff] [blame] | 239 | } |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 240 | |
| 241 | static const char * const spear320_dt_board_compat[] = { |
| 242 | "st,spear320", |
| 243 | "st,spear320-evb", |
Shiraz Hashim | e2eb691 | 2012-08-09 04:50:11 +0530 | [diff] [blame] | 244 | "st,spear320-hmi", |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 245 | NULL, |
| 246 | }; |
| 247 | |
Arnd Bergmann | 66a2886 | 2012-05-14 17:31:45 +0200 | [diff] [blame] | 248 | struct map_desc spear320_io_desc[] __initdata = { |
| 249 | { |
Arnd Bergmann | d9909eb | 2012-12-02 17:59:57 +0100 | [diff] [blame] | 250 | .virtual = (unsigned long)VA_SPEAR320_SOC_CONFIG_BASE, |
Arnd Bergmann | 66a2886 | 2012-05-14 17:31:45 +0200 | [diff] [blame] | 251 | .pfn = __phys_to_pfn(SPEAR320_SOC_CONFIG_BASE), |
| 252 | .length = SZ_16M, |
| 253 | .type = MT_DEVICE |
| 254 | }, |
| 255 | }; |
| 256 | |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 257 | static void __init spear320_map_io(void) |
| 258 | { |
Arnd Bergmann | 66a2886 | 2012-05-14 17:31:45 +0200 | [diff] [blame] | 259 | iotable_init(spear320_io_desc, ARRAY_SIZE(spear320_io_desc)); |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 260 | spear3xx_map_io(); |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | DT_MACHINE_START(SPEAR320_DT, "ST SPEAr320 SoC with Flattened Device Tree") |
| 264 | .map_io = spear320_map_io, |
Stephen Warren | 6bb27d7 | 2012-11-08 12:40:59 -0700 | [diff] [blame] | 265 | .init_time = spear3xx_timer_init, |
Viresh Kumar | c5fa4fd | 2012-03-23 00:17:43 +0530 | [diff] [blame] | 266 | .init_machine = spear320_dt_init, |
| 267 | .restart = spear_restart, |
| 268 | .dt_compat = spear320_dt_board_compat, |
| 269 | MACHINE_END |