SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 1 | /* |
Andrew Victor | 9d04126 | 2007-02-05 11:42:07 +0100 | [diff] [blame] | 2 | * arch/arm/mach-at91/at91rm9200_devices.c |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org> |
| 5 | * Copyright (C) 2005 David Brownell |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | */ |
| 13 | #include <asm/mach/arch.h> |
| 14 | #include <asm/mach/map.h> |
| 15 | |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 16 | #include <linux/dma-mapping.h> |
Russell King | 2f8163b | 2011-07-26 10:53:52 +0100 | [diff] [blame] | 17 | #include <linux/gpio.h> |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 18 | #include <linux/platform_device.h> |
Andrew Victor | f230d3f | 2007-11-19 13:47:20 +0100 | [diff] [blame] | 19 | #include <linux/i2c-gpio.h> |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 20 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 21 | #include <mach/board.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 22 | #include <mach/at91rm9200.h> |
| 23 | #include <mach/at91rm9200_mc.h> |
Jean-Christophe PLAGNIOL-VILLARD | f363c40 | 2012-02-13 12:58:53 +0800 | [diff] [blame] | 24 | #include <mach/at91_ramc.h> |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 25 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 26 | #include "generic.h" |
| 27 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 28 | |
| 29 | /* -------------------------------------------------------------------- |
| 30 | * USB Host |
| 31 | * -------------------------------------------------------------------- */ |
| 32 | |
| 33 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 34 | static u64 ohci_dmamask = DMA_BIT_MASK(32); |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 35 | static struct at91_usbh_data usbh_data; |
| 36 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 37 | static struct resource usbh_resources[] = { |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 38 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 39 | .start = AT91RM9200_UHP_BASE, |
| 40 | .end = AT91RM9200_UHP_BASE + SZ_1M - 1, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 41 | .flags = IORESOURCE_MEM, |
| 42 | }, |
| 43 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 44 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_UHP, |
| 45 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_UHP, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 46 | .flags = IORESOURCE_IRQ, |
| 47 | }, |
| 48 | }; |
| 49 | |
| 50 | static struct platform_device at91rm9200_usbh_device = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 51 | .name = "at91_ohci", |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 52 | .id = -1, |
| 53 | .dev = { |
| 54 | .dma_mask = &ohci_dmamask, |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 55 | .coherent_dma_mask = DMA_BIT_MASK(32), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 56 | .platform_data = &usbh_data, |
| 57 | }, |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 58 | .resource = usbh_resources, |
| 59 | .num_resources = ARRAY_SIZE(usbh_resources), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 60 | }; |
| 61 | |
| 62 | void __init at91_add_device_usbh(struct at91_usbh_data *data) |
| 63 | { |
Thomas Petazzoni | 1fcaea7 | 2011-07-13 11:29:18 +0200 | [diff] [blame] | 64 | int i; |
| 65 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 66 | if (!data) |
| 67 | return; |
| 68 | |
Thomas Petazzoni | 1fcaea7 | 2011-07-13 11:29:18 +0200 | [diff] [blame] | 69 | /* Enable overcurrent notification */ |
| 70 | for (i = 0; i < data->ports; i++) { |
Johan Hovold | 641f3ce | 2012-11-14 12:18:17 +0100 | [diff] [blame] | 71 | if (gpio_is_valid(data->overcurrent_pin[i])) |
Thomas Petazzoni | 1fcaea7 | 2011-07-13 11:29:18 +0200 | [diff] [blame] | 72 | at91_set_gpio_input(data->overcurrent_pin[i], 1); |
| 73 | } |
| 74 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 75 | usbh_data = *data; |
| 76 | platform_device_register(&at91rm9200_usbh_device); |
| 77 | } |
| 78 | #else |
| 79 | void __init at91_add_device_usbh(struct at91_usbh_data *data) {} |
| 80 | #endif |
| 81 | |
| 82 | |
| 83 | /* -------------------------------------------------------------------- |
| 84 | * USB Device (Gadget) |
| 85 | * -------------------------------------------------------------------- */ |
| 86 | |
Nicolas Ferre | e8c9dc9 | 2012-01-27 11:14:44 +0100 | [diff] [blame] | 87 | #if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 88 | static struct at91_udc_data udc_data; |
| 89 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 90 | static struct resource udc_resources[] = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 91 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 92 | .start = AT91RM9200_BASE_UDP, |
| 93 | .end = AT91RM9200_BASE_UDP + SZ_16K - 1, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 94 | .flags = IORESOURCE_MEM, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 95 | }, |
| 96 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 97 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_UDP, |
| 98 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_UDP, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 99 | .flags = IORESOURCE_IRQ, |
| 100 | }, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 101 | }; |
| 102 | |
| 103 | static struct platform_device at91rm9200_udc_device = { |
| 104 | .name = "at91_udc", |
| 105 | .id = -1, |
| 106 | .dev = { |
| 107 | .platform_data = &udc_data, |
| 108 | }, |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 109 | .resource = udc_resources, |
| 110 | .num_resources = ARRAY_SIZE(udc_resources), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 111 | }; |
| 112 | |
| 113 | void __init at91_add_device_udc(struct at91_udc_data *data) |
| 114 | { |
| 115 | if (!data) |
| 116 | return; |
| 117 | |
Jean-Christophe PLAGNIOL-VILLARD | cc9f9ae | 2011-09-19 15:28:25 +0800 | [diff] [blame] | 118 | if (gpio_is_valid(data->vbus_pin)) { |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 119 | at91_set_gpio_input(data->vbus_pin, 0); |
| 120 | at91_set_deglitch(data->vbus_pin, 1); |
| 121 | } |
Jean-Christophe PLAGNIOL-VILLARD | cc9f9ae | 2011-09-19 15:28:25 +0800 | [diff] [blame] | 122 | if (gpio_is_valid(data->pullup_pin)) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 123 | at91_set_gpio_output(data->pullup_pin, 0); |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 124 | |
| 125 | udc_data = *data; |
| 126 | platform_device_register(&at91rm9200_udc_device); |
| 127 | } |
| 128 | #else |
| 129 | void __init at91_add_device_udc(struct at91_udc_data *data) {} |
| 130 | #endif |
| 131 | |
| 132 | |
| 133 | /* -------------------------------------------------------------------- |
| 134 | * Ethernet |
| 135 | * -------------------------------------------------------------------- */ |
| 136 | |
| 137 | #if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE) |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 138 | static u64 eth_dmamask = DMA_BIT_MASK(32); |
Jamie Iles | 84e0cdb | 2011-03-08 20:17:06 +0000 | [diff] [blame] | 139 | static struct macb_platform_data eth_data; |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 140 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 141 | static struct resource eth_resources[] = { |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 142 | [0] = { |
Andrew Victor | c5f0f83 | 2012-04-26 00:30:42 +0000 | [diff] [blame] | 143 | .start = AT91RM9200_BASE_EMAC, |
| 144 | .end = AT91RM9200_BASE_EMAC + SZ_16K - 1, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 145 | .flags = IORESOURCE_MEM, |
| 146 | }, |
| 147 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 148 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_EMAC, |
| 149 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_EMAC, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 150 | .flags = IORESOURCE_IRQ, |
| 151 | }, |
| 152 | }; |
| 153 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 154 | static struct platform_device at91rm9200_eth_device = { |
| 155 | .name = "at91_ether", |
| 156 | .id = -1, |
| 157 | .dev = { |
| 158 | .dma_mask = ð_dmamask, |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 159 | .coherent_dma_mask = DMA_BIT_MASK(32), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 160 | .platform_data = ð_data, |
| 161 | }, |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 162 | .resource = eth_resources, |
| 163 | .num_resources = ARRAY_SIZE(eth_resources), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 164 | }; |
| 165 | |
Jamie Iles | 84e0cdb | 2011-03-08 20:17:06 +0000 | [diff] [blame] | 166 | void __init at91_add_device_eth(struct macb_platform_data *data) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 167 | { |
| 168 | if (!data) |
| 169 | return; |
| 170 | |
Jean-Christophe PLAGNIOL-VILLARD | cc9f9ae | 2011-09-19 15:28:25 +0800 | [diff] [blame] | 171 | if (gpio_is_valid(data->phy_irq_pin)) { |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 172 | at91_set_gpio_input(data->phy_irq_pin, 0); |
| 173 | at91_set_deglitch(data->phy_irq_pin, 1); |
| 174 | } |
| 175 | |
| 176 | /* Pins used for MII and RMII */ |
| 177 | at91_set_A_periph(AT91_PIN_PA16, 0); /* EMDIO */ |
| 178 | at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */ |
| 179 | at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */ |
| 180 | at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ |
| 181 | at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ |
| 182 | at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */ |
| 183 | at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */ |
| 184 | at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */ |
| 185 | at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */ |
| 186 | at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */ |
| 187 | |
| 188 | if (!data->is_rmii) { |
| 189 | at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */ |
| 190 | at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */ |
| 191 | at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */ |
| 192 | at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */ |
| 193 | at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */ |
| 194 | at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */ |
| 195 | at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */ |
| 196 | at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */ |
| 197 | } |
| 198 | |
| 199 | eth_data = *data; |
| 200 | platform_device_register(&at91rm9200_eth_device); |
| 201 | } |
| 202 | #else |
Jamie Iles | 84e0cdb | 2011-03-08 20:17:06 +0000 | [diff] [blame] | 203 | void __init at91_add_device_eth(struct macb_platform_data *data) {} |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 204 | #endif |
| 205 | |
| 206 | |
| 207 | /* -------------------------------------------------------------------- |
| 208 | * Compact Flash / PCMCIA |
| 209 | * -------------------------------------------------------------------- */ |
| 210 | |
| 211 | #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) |
| 212 | static struct at91_cf_data cf_data; |
| 213 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 214 | #define CF_BASE AT91_CHIPSELECT_4 |
| 215 | |
| 216 | static struct resource cf_resources[] = { |
David Brownell | 2c53620 | 2006-04-14 18:05:38 -0700 | [diff] [blame] | 217 | [0] = { |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 218 | .start = CF_BASE, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 219 | /* ties up CS4, CS5 and CS6 */ |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 220 | .end = CF_BASE + (0x30000000 - 1), |
David Brownell | 2c53620 | 2006-04-14 18:05:38 -0700 | [diff] [blame] | 221 | .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, |
| 222 | }, |
| 223 | }; |
| 224 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 225 | static struct platform_device at91rm9200_cf_device = { |
| 226 | .name = "at91_cf", |
| 227 | .id = -1, |
| 228 | .dev = { |
| 229 | .platform_data = &cf_data, |
| 230 | }, |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 231 | .resource = cf_resources, |
| 232 | .num_resources = ARRAY_SIZE(cf_resources), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 233 | }; |
| 234 | |
| 235 | void __init at91_add_device_cf(struct at91_cf_data *data) |
| 236 | { |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 237 | unsigned int csa; |
| 238 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 239 | if (!data) |
| 240 | return; |
| 241 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 242 | data->chipselect = 4; /* can only use EBI ChipSelect 4 */ |
| 243 | |
| 244 | /* CF takes over CS4, CS5, CS6 */ |
Jean-Christophe PLAGNIOL-VILLARD | f363c40 | 2012-02-13 12:58:53 +0800 | [diff] [blame] | 245 | csa = at91_ramc_read(0, AT91_EBI_CSA); |
| 246 | at91_ramc_write(0, AT91_EBI_CSA, csa | AT91_EBI_CS4A_SMC_COMPACTFLASH); |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 247 | |
| 248 | /* |
| 249 | * Static memory controller timing adjustments. |
| 250 | * REVISIT: these timings are in terms of MCK cycles, so |
| 251 | * when MCK changes (cpufreq etc) so must these values... |
| 252 | */ |
Jean-Christophe PLAGNIOL-VILLARD | f363c40 | 2012-02-13 12:58:53 +0800 | [diff] [blame] | 253 | at91_ramc_write(0, AT91_SMC_CSR(4), |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 254 | AT91_SMC_ACSS_STD |
| 255 | | AT91_SMC_DBW_16 |
| 256 | | AT91_SMC_BAT |
| 257 | | AT91_SMC_WSEN |
| 258 | | AT91_SMC_NWS_(32) /* wait states */ |
| 259 | | AT91_SMC_RWSETUP_(6) /* setup time */ |
| 260 | | AT91_SMC_RWHOLD_(4) /* hold time */ |
| 261 | ); |
| 262 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 263 | /* input/irq */ |
Jean-Christophe PLAGNIOL-VILLARD | cc9f9ae | 2011-09-19 15:28:25 +0800 | [diff] [blame] | 264 | if (gpio_is_valid(data->irq_pin)) { |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 265 | at91_set_gpio_input(data->irq_pin, 1); |
| 266 | at91_set_deglitch(data->irq_pin, 1); |
| 267 | } |
| 268 | at91_set_gpio_input(data->det_pin, 1); |
| 269 | at91_set_deglitch(data->det_pin, 1); |
| 270 | |
| 271 | /* outputs, initially off */ |
Jean-Christophe PLAGNIOL-VILLARD | cc9f9ae | 2011-09-19 15:28:25 +0800 | [diff] [blame] | 272 | if (gpio_is_valid(data->vcc_pin)) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 273 | at91_set_gpio_output(data->vcc_pin, 0); |
| 274 | at91_set_gpio_output(data->rst_pin, 0); |
| 275 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 276 | /* force poweron defaults for these pins ... */ |
| 277 | at91_set_A_periph(AT91_PIN_PC9, 0); /* A25/CFRNW */ |
| 278 | at91_set_A_periph(AT91_PIN_PC10, 0); /* NCS4/CFCS */ |
| 279 | at91_set_A_periph(AT91_PIN_PC11, 0); /* NCS5/CFCE1 */ |
| 280 | at91_set_A_periph(AT91_PIN_PC12, 0); /* NCS6/CFCE2 */ |
| 281 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 282 | /* nWAIT is _not_ a default setting */ |
Andrew Victor | a14d527 | 2007-01-09 09:03:42 +0100 | [diff] [blame] | 283 | at91_set_A_periph(AT91_PIN_PC6, 1); /* nWAIT */ |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 284 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 285 | cf_data = *data; |
| 286 | platform_device_register(&at91rm9200_cf_device); |
| 287 | } |
| 288 | #else |
| 289 | void __init at91_add_device_cf(struct at91_cf_data *data) {} |
| 290 | #endif |
| 291 | |
| 292 | |
| 293 | /* -------------------------------------------------------------------- |
| 294 | * MMC / SD |
| 295 | * -------------------------------------------------------------------- */ |
| 296 | |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 297 | #if IS_ENABLED(CONFIG_MMC_ATMELMCI) |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 298 | static u64 mmc_dmamask = DMA_BIT_MASK(32); |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 299 | static struct mci_platform_data mmc_data; |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 300 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 301 | static struct resource mmc_resources[] = { |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 302 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 303 | .start = AT91RM9200_BASE_MCI, |
| 304 | .end = AT91RM9200_BASE_MCI + SZ_16K - 1, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 305 | .flags = IORESOURCE_MEM, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 306 | }, |
| 307 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 308 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_MCI, |
| 309 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_MCI, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 310 | .flags = IORESOURCE_IRQ, |
| 311 | }, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 312 | }; |
| 313 | |
| 314 | static struct platform_device at91rm9200_mmc_device = { |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 315 | .name = "atmel_mci", |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 316 | .id = -1, |
| 317 | .dev = { |
| 318 | .dma_mask = &mmc_dmamask, |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 319 | .coherent_dma_mask = DMA_BIT_MASK(32), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 320 | .platform_data = &mmc_data, |
| 321 | }, |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 322 | .resource = mmc_resources, |
| 323 | .num_resources = ARRAY_SIZE(mmc_resources), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 324 | }; |
| 325 | |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 326 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 327 | { |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 328 | unsigned int i; |
| 329 | unsigned int slot_count = 0; |
| 330 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 331 | if (!data) |
| 332 | return; |
| 333 | |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 334 | for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) { |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 335 | |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 336 | if (!data->slot[i].bus_width) |
| 337 | continue; |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 338 | |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 339 | /* input/irq */ |
| 340 | if (gpio_is_valid(data->slot[i].detect_pin)) { |
| 341 | at91_set_gpio_input(data->slot[i].detect_pin, 1); |
| 342 | at91_set_deglitch(data->slot[i].detect_pin, 1); |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 343 | } |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 344 | if (gpio_is_valid(data->slot[i].wp_pin)) |
| 345 | at91_set_gpio_input(data->slot[i].wp_pin, 1); |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 346 | |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 347 | switch (i) { |
| 348 | case 0: /* slot A */ |
| 349 | /* CMD */ |
| 350 | at91_set_A_periph(AT91_PIN_PA28, 1); |
| 351 | /* DAT0, maybe DAT1..DAT3 */ |
| 352 | at91_set_A_periph(AT91_PIN_PA29, 1); |
| 353 | if (data->slot[i].bus_width == 4) { |
| 354 | at91_set_B_periph(AT91_PIN_PB3, 1); |
| 355 | at91_set_B_periph(AT91_PIN_PB4, 1); |
| 356 | at91_set_B_periph(AT91_PIN_PB5, 1); |
| 357 | } |
| 358 | slot_count++; |
| 359 | break; |
| 360 | case 1: /* slot B */ |
| 361 | /* CMD */ |
| 362 | at91_set_B_periph(AT91_PIN_PA8, 1); |
| 363 | /* DAT0, maybe DAT1..DAT3 */ |
| 364 | at91_set_B_periph(AT91_PIN_PA9, 1); |
| 365 | if (data->slot[i].bus_width == 4) { |
| 366 | at91_set_B_periph(AT91_PIN_PA10, 1); |
| 367 | at91_set_B_periph(AT91_PIN_PA11, 1); |
| 368 | at91_set_B_periph(AT91_PIN_PA12, 1); |
| 369 | } |
| 370 | slot_count++; |
| 371 | break; |
| 372 | default: |
| 373 | printk(KERN_ERR |
| 374 | "AT91: SD/MMC slot %d not available\n", i); |
| 375 | break; |
| 376 | } |
| 377 | if (slot_count) { |
| 378 | /* CLK */ |
| 379 | at91_set_A_periph(AT91_PIN_PA27, 0); |
| 380 | |
| 381 | mmc_data = *data; |
| 382 | platform_device_register(&at91rm9200_mmc_device); |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 383 | } |
| 384 | } |
| 385 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 386 | } |
| 387 | #else |
Ludovic Desroches | 4cf3326 | 2012-05-21 12:23:27 +0200 | [diff] [blame] | 388 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {} |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 389 | #endif |
| 390 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 391 | |
Andrew Victor | cc2832a | 2006-04-02 17:15:48 +0100 | [diff] [blame] | 392 | /* -------------------------------------------------------------------- |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 393 | * NAND / SmartMedia |
| 394 | * -------------------------------------------------------------------- */ |
| 395 | |
Pieter du Preez | f6ed6f7 | 2008-08-01 10:06:40 +0100 | [diff] [blame] | 396 | #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) |
HÃ¥vard Skinnemoen | 3c3796c | 2008-06-06 18:04:53 +0200 | [diff] [blame] | 397 | static struct atmel_nand_data nand_data; |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 398 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 399 | #define NAND_BASE AT91_CHIPSELECT_3 |
| 400 | |
| 401 | static struct resource nand_resources[] = { |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 402 | { |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 403 | .start = NAND_BASE, |
Andrew Victor | 2282355 | 2008-01-23 09:21:02 +0100 | [diff] [blame] | 404 | .end = NAND_BASE + SZ_256M - 1, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 405 | .flags = IORESOURCE_MEM, |
| 406 | } |
| 407 | }; |
| 408 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 409 | static struct platform_device at91rm9200_nand_device = { |
HÃ¥vard Skinnemoen | 3c3796c | 2008-06-06 18:04:53 +0200 | [diff] [blame] | 410 | .name = "atmel_nand", |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 411 | .id = -1, |
| 412 | .dev = { |
| 413 | .platform_data = &nand_data, |
| 414 | }, |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 415 | .resource = nand_resources, |
| 416 | .num_resources = ARRAY_SIZE(nand_resources), |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 417 | }; |
| 418 | |
HÃ¥vard Skinnemoen | 3c3796c | 2008-06-06 18:04:53 +0200 | [diff] [blame] | 419 | void __init at91_add_device_nand(struct atmel_nand_data *data) |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 420 | { |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 421 | unsigned int csa; |
| 422 | |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 423 | if (!data) |
| 424 | return; |
| 425 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 426 | /* enable the address range of CS3 */ |
Jean-Christophe PLAGNIOL-VILLARD | f363c40 | 2012-02-13 12:58:53 +0800 | [diff] [blame] | 427 | csa = at91_ramc_read(0, AT91_EBI_CSA); |
| 428 | at91_ramc_write(0, AT91_EBI_CSA, csa | AT91_EBI_CS3A_SMC_SMARTMEDIA); |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 429 | |
| 430 | /* set the bus interface characteristics */ |
Jean-Christophe PLAGNIOL-VILLARD | f363c40 | 2012-02-13 12:58:53 +0800 | [diff] [blame] | 431 | at91_ramc_write(0, AT91_SMC_CSR(3), AT91_SMC_ACSS_STD | AT91_SMC_DBW_8 | AT91_SMC_WSEN |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 432 | | AT91_SMC_NWS_(5) |
| 433 | | AT91_SMC_TDF_(1) |
| 434 | | AT91_SMC_RWSETUP_(0) /* tDS Data Set up Time 30 - ns */ |
| 435 | | AT91_SMC_RWHOLD_(1) /* tDH Data Hold Time 20 - ns */ |
| 436 | ); |
| 437 | |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 438 | /* enable pin */ |
Jean-Christophe PLAGNIOL-VILLARD | cc9f9ae | 2011-09-19 15:28:25 +0800 | [diff] [blame] | 439 | if (gpio_is_valid(data->enable_pin)) |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 440 | at91_set_gpio_output(data->enable_pin, 1); |
| 441 | |
| 442 | /* ready/busy pin */ |
Jean-Christophe PLAGNIOL-VILLARD | cc9f9ae | 2011-09-19 15:28:25 +0800 | [diff] [blame] | 443 | if (gpio_is_valid(data->rdy_pin)) |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 444 | at91_set_gpio_input(data->rdy_pin, 1); |
| 445 | |
| 446 | /* card detect pin */ |
Jean-Christophe PLAGNIOL-VILLARD | cc9f9ae | 2011-09-19 15:28:25 +0800 | [diff] [blame] | 447 | if (gpio_is_valid(data->det_pin)) |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 448 | at91_set_gpio_input(data->det_pin, 1); |
| 449 | |
| 450 | at91_set_A_periph(AT91_PIN_PC1, 0); /* SMOE */ |
| 451 | at91_set_A_periph(AT91_PIN_PC3, 0); /* SMWE */ |
| 452 | |
| 453 | nand_data = *data; |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 454 | platform_device_register(&at91rm9200_nand_device); |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 455 | } |
| 456 | #else |
HÃ¥vard Skinnemoen | 3c3796c | 2008-06-06 18:04:53 +0200 | [diff] [blame] | 457 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 458 | #endif |
| 459 | |
| 460 | |
| 461 | /* -------------------------------------------------------------------- |
| 462 | * TWI (i2c) |
| 463 | * -------------------------------------------------------------------- */ |
| 464 | |
Andrew Victor | f230d3f | 2007-11-19 13:47:20 +0100 | [diff] [blame] | 465 | /* |
| 466 | * Prefer the GPIO code since the TWI controller isn't robust |
| 467 | * (gets overruns and underruns under load) and can only issue |
| 468 | * repeated STARTs in one scenario (the driver doesn't yet handle them). |
| 469 | */ |
| 470 | #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) |
| 471 | |
| 472 | static struct i2c_gpio_platform_data pdata = { |
| 473 | .sda_pin = AT91_PIN_PA25, |
| 474 | .sda_is_open_drain = 1, |
| 475 | .scl_pin = AT91_PIN_PA26, |
| 476 | .scl_is_open_drain = 1, |
| 477 | .udelay = 2, /* ~100 kHz */ |
| 478 | }; |
| 479 | |
| 480 | static struct platform_device at91rm9200_twi_device = { |
| 481 | .name = "i2c-gpio", |
Bo Shen | 7840487 | 2012-10-15 17:30:27 +0800 | [diff] [blame] | 482 | .id = 0, |
Andrew Victor | f230d3f | 2007-11-19 13:47:20 +0100 | [diff] [blame] | 483 | .dev.platform_data = &pdata, |
| 484 | }; |
| 485 | |
| 486 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) |
| 487 | { |
| 488 | at91_set_GPIO_periph(AT91_PIN_PA25, 1); /* TWD (SDA) */ |
| 489 | at91_set_multi_drive(AT91_PIN_PA25, 1); |
| 490 | |
| 491 | at91_set_GPIO_periph(AT91_PIN_PA26, 1); /* TWCK (SCL) */ |
| 492 | at91_set_multi_drive(AT91_PIN_PA26, 1); |
| 493 | |
| 494 | i2c_register_board_info(0, devices, nr_devices); |
| 495 | platform_device_register(&at91rm9200_twi_device); |
| 496 | } |
| 497 | |
| 498 | #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 499 | |
| 500 | static struct resource twi_resources[] = { |
| 501 | [0] = { |
| 502 | .start = AT91RM9200_BASE_TWI, |
| 503 | .end = AT91RM9200_BASE_TWI + SZ_16K - 1, |
| 504 | .flags = IORESOURCE_MEM, |
| 505 | }, |
| 506 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 507 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_TWI, |
| 508 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_TWI, |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 509 | .flags = IORESOURCE_IRQ, |
| 510 | }, |
| 511 | }; |
| 512 | |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 513 | static struct platform_device at91rm9200_twi_device = { |
Nikolaus Voss | fac368a | 2011-11-08 11:49:46 +0100 | [diff] [blame] | 514 | .name = "i2c-at91rm9200", |
Bo Shen | 302090a | 2012-10-15 17:30:28 +0800 | [diff] [blame] | 515 | .id = 0, |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 516 | .resource = twi_resources, |
| 517 | .num_resources = ARRAY_SIZE(twi_resources), |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 518 | }; |
| 519 | |
Andrew Victor | f230d3f | 2007-11-19 13:47:20 +0100 | [diff] [blame] | 520 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 521 | { |
| 522 | /* pins used for TWI interface */ |
| 523 | at91_set_A_periph(AT91_PIN_PA25, 0); /* TWD */ |
| 524 | at91_set_multi_drive(AT91_PIN_PA25, 1); |
| 525 | |
| 526 | at91_set_A_periph(AT91_PIN_PA26, 0); /* TWCK */ |
| 527 | at91_set_multi_drive(AT91_PIN_PA26, 1); |
| 528 | |
Andrew Victor | f230d3f | 2007-11-19 13:47:20 +0100 | [diff] [blame] | 529 | i2c_register_board_info(0, devices, nr_devices); |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 530 | platform_device_register(&at91rm9200_twi_device); |
| 531 | } |
| 532 | #else |
Andrew Victor | f230d3f | 2007-11-19 13:47:20 +0100 | [diff] [blame] | 533 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 534 | #endif |
| 535 | |
| 536 | |
| 537 | /* -------------------------------------------------------------------- |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 538 | * SPI |
| 539 | * -------------------------------------------------------------------- */ |
| 540 | |
Andrew Victor | c06911c | 2007-07-16 11:35:40 +0100 | [diff] [blame] | 541 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 542 | static u64 spi_dmamask = DMA_BIT_MASK(32); |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 543 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 544 | static struct resource spi_resources[] = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 545 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 546 | .start = AT91RM9200_BASE_SPI, |
| 547 | .end = AT91RM9200_BASE_SPI + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 548 | .flags = IORESOURCE_MEM, |
| 549 | }, |
| 550 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 551 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_SPI, |
| 552 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_SPI, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 553 | .flags = IORESOURCE_IRQ, |
| 554 | }, |
| 555 | }; |
| 556 | |
| 557 | static struct platform_device at91rm9200_spi_device = { |
Andrew Victor | c06911c | 2007-07-16 11:35:40 +0100 | [diff] [blame] | 558 | .name = "atmel_spi", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 559 | .id = 0, |
| 560 | .dev = { |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 561 | .dma_mask = &spi_dmamask, |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 562 | .coherent_dma_mask = DMA_BIT_MASK(32), |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 563 | }, |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 564 | .resource = spi_resources, |
| 565 | .num_resources = ARRAY_SIZE(spi_resources), |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 566 | }; |
| 567 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 568 | static const unsigned spi_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 }; |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 569 | |
| 570 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) |
| 571 | { |
| 572 | int i; |
| 573 | unsigned long cs_pin; |
| 574 | |
| 575 | at91_set_A_periph(AT91_PIN_PA0, 0); /* MISO */ |
| 576 | at91_set_A_periph(AT91_PIN_PA1, 0); /* MOSI */ |
| 577 | at91_set_A_periph(AT91_PIN_PA2, 0); /* SPCK */ |
| 578 | |
| 579 | /* Enable SPI chip-selects */ |
| 580 | for (i = 0; i < nr_devices; i++) { |
| 581 | if (devices[i].controller_data) |
| 582 | cs_pin = (unsigned long) devices[i].controller_data; |
| 583 | else |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 584 | cs_pin = spi_standard_cs[devices[i].chip_select]; |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 585 | |
Andrew Victor | 2743f0c | 2008-01-23 09:29:46 +0100 | [diff] [blame] | 586 | if (devices[i].chip_select == 0) /* for CS0 errata */ |
| 587 | at91_set_A_periph(cs_pin, 0); |
| 588 | else |
| 589 | at91_set_gpio_output(cs_pin, 1); |
| 590 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 591 | |
| 592 | /* pass chip-select pin to driver */ |
| 593 | devices[i].controller_data = (void *) cs_pin; |
| 594 | } |
| 595 | |
| 596 | spi_register_board_info(devices, nr_devices); |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 597 | platform_device_register(&at91rm9200_spi_device); |
| 598 | } |
| 599 | #else |
| 600 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} |
| 601 | #endif |
| 602 | |
| 603 | |
| 604 | /* -------------------------------------------------------------------- |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 605 | * Timer/Counter blocks |
| 606 | * -------------------------------------------------------------------- */ |
| 607 | |
| 608 | #ifdef CONFIG_ATMEL_TCLIB |
| 609 | |
| 610 | static struct resource tcb0_resources[] = { |
| 611 | [0] = { |
| 612 | .start = AT91RM9200_BASE_TCB0, |
| 613 | .end = AT91RM9200_BASE_TCB0 + SZ_16K - 1, |
| 614 | .flags = IORESOURCE_MEM, |
| 615 | }, |
| 616 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 617 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC0, |
| 618 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC0, |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 619 | .flags = IORESOURCE_IRQ, |
| 620 | }, |
| 621 | [2] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 622 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC1, |
| 623 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC1, |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 624 | .flags = IORESOURCE_IRQ, |
| 625 | }, |
| 626 | [3] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 627 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC2, |
| 628 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC2, |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 629 | .flags = IORESOURCE_IRQ, |
| 630 | }, |
| 631 | }; |
| 632 | |
| 633 | static struct platform_device at91rm9200_tcb0_device = { |
| 634 | .name = "atmel_tcb", |
| 635 | .id = 0, |
| 636 | .resource = tcb0_resources, |
| 637 | .num_resources = ARRAY_SIZE(tcb0_resources), |
| 638 | }; |
| 639 | |
| 640 | static struct resource tcb1_resources[] = { |
| 641 | [0] = { |
| 642 | .start = AT91RM9200_BASE_TCB1, |
| 643 | .end = AT91RM9200_BASE_TCB1 + SZ_16K - 1, |
| 644 | .flags = IORESOURCE_MEM, |
| 645 | }, |
| 646 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 647 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC3, |
| 648 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC3, |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 649 | .flags = IORESOURCE_IRQ, |
| 650 | }, |
| 651 | [2] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 652 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC4, |
| 653 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC4, |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 654 | .flags = IORESOURCE_IRQ, |
| 655 | }, |
| 656 | [3] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 657 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC5, |
| 658 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC5, |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 659 | .flags = IORESOURCE_IRQ, |
| 660 | }, |
| 661 | }; |
| 662 | |
| 663 | static struct platform_device at91rm9200_tcb1_device = { |
| 664 | .name = "atmel_tcb", |
| 665 | .id = 1, |
| 666 | .resource = tcb1_resources, |
| 667 | .num_resources = ARRAY_SIZE(tcb1_resources), |
| 668 | }; |
| 669 | |
| 670 | static void __init at91_add_device_tc(void) |
| 671 | { |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 672 | platform_device_register(&at91rm9200_tcb0_device); |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 673 | platform_device_register(&at91rm9200_tcb1_device); |
| 674 | } |
| 675 | #else |
| 676 | static void __init at91_add_device_tc(void) { } |
| 677 | #endif |
| 678 | |
| 679 | |
| 680 | /* -------------------------------------------------------------------- |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 681 | * RTC |
| 682 | * -------------------------------------------------------------------- */ |
| 683 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 684 | #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE) |
Jean-Christophe PLAGNIOL-VILLARD | d28bdfc | 2011-11-14 14:24:53 +0800 | [diff] [blame] | 685 | static struct resource rtc_resources[] = { |
| 686 | [0] = { |
| 687 | .start = AT91RM9200_BASE_RTC, |
| 688 | .end = AT91RM9200_BASE_RTC + SZ_256 - 1, |
| 689 | .flags = IORESOURCE_MEM, |
| 690 | }, |
| 691 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 692 | .start = NR_IRQS_LEGACY + AT91_ID_SYS, |
| 693 | .end = NR_IRQS_LEGACY + AT91_ID_SYS, |
Jean-Christophe PLAGNIOL-VILLARD | d28bdfc | 2011-11-14 14:24:53 +0800 | [diff] [blame] | 694 | .flags = IORESOURCE_IRQ, |
| 695 | }, |
| 696 | }; |
| 697 | |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 698 | static struct platform_device at91rm9200_rtc_device = { |
| 699 | .name = "at91_rtc", |
| 700 | .id = -1, |
Jean-Christophe PLAGNIOL-VILLARD | d28bdfc | 2011-11-14 14:24:53 +0800 | [diff] [blame] | 701 | .resource = rtc_resources, |
| 702 | .num_resources = ARRAY_SIZE(rtc_resources), |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 703 | }; |
| 704 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 705 | static void __init at91_add_device_rtc(void) |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 706 | { |
| 707 | platform_device_register(&at91rm9200_rtc_device); |
| 708 | } |
| 709 | #else |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 710 | static void __init at91_add_device_rtc(void) {} |
| 711 | #endif |
| 712 | |
| 713 | |
| 714 | /* -------------------------------------------------------------------- |
| 715 | * Watchdog |
| 716 | * -------------------------------------------------------------------- */ |
| 717 | |
Andrew Victor | 69c5ecc | 2006-12-01 15:53:20 +0100 | [diff] [blame] | 718 | #if defined(CONFIG_AT91RM9200_WATCHDOG) || defined(CONFIG_AT91RM9200_WATCHDOG_MODULE) |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 719 | static struct platform_device at91rm9200_wdt_device = { |
| 720 | .name = "at91_wdt", |
| 721 | .id = -1, |
| 722 | .num_resources = 0, |
| 723 | }; |
| 724 | |
| 725 | static void __init at91_add_device_watchdog(void) |
| 726 | { |
| 727 | platform_device_register(&at91rm9200_wdt_device); |
| 728 | } |
| 729 | #else |
| 730 | static void __init at91_add_device_watchdog(void) {} |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 731 | #endif |
| 732 | |
| 733 | |
| 734 | /* -------------------------------------------------------------------- |
Andrew Victor | bfbc326 | 2008-01-23 09:18:06 +0100 | [diff] [blame] | 735 | * SSC -- Synchronous Serial Controller |
| 736 | * -------------------------------------------------------------------- */ |
| 737 | |
| 738 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) |
| 739 | static u64 ssc0_dmamask = DMA_BIT_MASK(32); |
| 740 | |
| 741 | static struct resource ssc0_resources[] = { |
| 742 | [0] = { |
| 743 | .start = AT91RM9200_BASE_SSC0, |
| 744 | .end = AT91RM9200_BASE_SSC0 + SZ_16K - 1, |
| 745 | .flags = IORESOURCE_MEM, |
| 746 | }, |
| 747 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 748 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_SSC0, |
| 749 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_SSC0, |
Andrew Victor | bfbc326 | 2008-01-23 09:18:06 +0100 | [diff] [blame] | 750 | .flags = IORESOURCE_IRQ, |
| 751 | }, |
| 752 | }; |
| 753 | |
| 754 | static struct platform_device at91rm9200_ssc0_device = { |
| 755 | .name = "ssc", |
| 756 | .id = 0, |
| 757 | .dev = { |
| 758 | .dma_mask = &ssc0_dmamask, |
| 759 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 760 | }, |
| 761 | .resource = ssc0_resources, |
| 762 | .num_resources = ARRAY_SIZE(ssc0_resources), |
| 763 | }; |
| 764 | |
| 765 | static inline void configure_ssc0_pins(unsigned pins) |
| 766 | { |
| 767 | if (pins & ATMEL_SSC_TF) |
| 768 | at91_set_A_periph(AT91_PIN_PB0, 1); |
| 769 | if (pins & ATMEL_SSC_TK) |
| 770 | at91_set_A_periph(AT91_PIN_PB1, 1); |
| 771 | if (pins & ATMEL_SSC_TD) |
| 772 | at91_set_A_periph(AT91_PIN_PB2, 1); |
| 773 | if (pins & ATMEL_SSC_RD) |
| 774 | at91_set_A_periph(AT91_PIN_PB3, 1); |
| 775 | if (pins & ATMEL_SSC_RK) |
| 776 | at91_set_A_periph(AT91_PIN_PB4, 1); |
| 777 | if (pins & ATMEL_SSC_RF) |
| 778 | at91_set_A_periph(AT91_PIN_PB5, 1); |
| 779 | } |
| 780 | |
| 781 | static u64 ssc1_dmamask = DMA_BIT_MASK(32); |
| 782 | |
| 783 | static struct resource ssc1_resources[] = { |
| 784 | [0] = { |
| 785 | .start = AT91RM9200_BASE_SSC1, |
| 786 | .end = AT91RM9200_BASE_SSC1 + SZ_16K - 1, |
| 787 | .flags = IORESOURCE_MEM, |
| 788 | }, |
| 789 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 790 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_SSC1, |
| 791 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_SSC1, |
Andrew Victor | bfbc326 | 2008-01-23 09:18:06 +0100 | [diff] [blame] | 792 | .flags = IORESOURCE_IRQ, |
| 793 | }, |
| 794 | }; |
| 795 | |
| 796 | static struct platform_device at91rm9200_ssc1_device = { |
| 797 | .name = "ssc", |
| 798 | .id = 1, |
| 799 | .dev = { |
| 800 | .dma_mask = &ssc1_dmamask, |
| 801 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 802 | }, |
| 803 | .resource = ssc1_resources, |
| 804 | .num_resources = ARRAY_SIZE(ssc1_resources), |
| 805 | }; |
| 806 | |
| 807 | static inline void configure_ssc1_pins(unsigned pins) |
| 808 | { |
| 809 | if (pins & ATMEL_SSC_TF) |
| 810 | at91_set_A_periph(AT91_PIN_PB6, 1); |
| 811 | if (pins & ATMEL_SSC_TK) |
| 812 | at91_set_A_periph(AT91_PIN_PB7, 1); |
| 813 | if (pins & ATMEL_SSC_TD) |
| 814 | at91_set_A_periph(AT91_PIN_PB8, 1); |
| 815 | if (pins & ATMEL_SSC_RD) |
| 816 | at91_set_A_periph(AT91_PIN_PB9, 1); |
| 817 | if (pins & ATMEL_SSC_RK) |
| 818 | at91_set_A_periph(AT91_PIN_PB10, 1); |
| 819 | if (pins & ATMEL_SSC_RF) |
| 820 | at91_set_A_periph(AT91_PIN_PB11, 1); |
| 821 | } |
| 822 | |
| 823 | static u64 ssc2_dmamask = DMA_BIT_MASK(32); |
| 824 | |
| 825 | static struct resource ssc2_resources[] = { |
| 826 | [0] = { |
| 827 | .start = AT91RM9200_BASE_SSC2, |
| 828 | .end = AT91RM9200_BASE_SSC2 + SZ_16K - 1, |
| 829 | .flags = IORESOURCE_MEM, |
| 830 | }, |
| 831 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 832 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_SSC2, |
| 833 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_SSC2, |
Andrew Victor | bfbc326 | 2008-01-23 09:18:06 +0100 | [diff] [blame] | 834 | .flags = IORESOURCE_IRQ, |
| 835 | }, |
| 836 | }; |
| 837 | |
| 838 | static struct platform_device at91rm9200_ssc2_device = { |
| 839 | .name = "ssc", |
| 840 | .id = 2, |
| 841 | .dev = { |
| 842 | .dma_mask = &ssc2_dmamask, |
| 843 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 844 | }, |
| 845 | .resource = ssc2_resources, |
| 846 | .num_resources = ARRAY_SIZE(ssc2_resources), |
| 847 | }; |
| 848 | |
| 849 | static inline void configure_ssc2_pins(unsigned pins) |
| 850 | { |
| 851 | if (pins & ATMEL_SSC_TF) |
| 852 | at91_set_A_periph(AT91_PIN_PB12, 1); |
| 853 | if (pins & ATMEL_SSC_TK) |
| 854 | at91_set_A_periph(AT91_PIN_PB13, 1); |
| 855 | if (pins & ATMEL_SSC_TD) |
| 856 | at91_set_A_periph(AT91_PIN_PB14, 1); |
| 857 | if (pins & ATMEL_SSC_RD) |
| 858 | at91_set_A_periph(AT91_PIN_PB15, 1); |
| 859 | if (pins & ATMEL_SSC_RK) |
| 860 | at91_set_A_periph(AT91_PIN_PB16, 1); |
| 861 | if (pins & ATMEL_SSC_RF) |
| 862 | at91_set_A_periph(AT91_PIN_PB17, 1); |
| 863 | } |
| 864 | |
| 865 | /* |
| 866 | * SSC controllers are accessed through library code, instead of any |
| 867 | * kind of all-singing/all-dancing driver. For example one could be |
| 868 | * used by a particular I2S audio codec's driver, while another one |
| 869 | * on the same system might be used by a custom data capture driver. |
| 870 | */ |
| 871 | void __init at91_add_device_ssc(unsigned id, unsigned pins) |
| 872 | { |
| 873 | struct platform_device *pdev; |
| 874 | |
| 875 | /* |
| 876 | * NOTE: caller is responsible for passing information matching |
| 877 | * "pins" to whatever will be using each particular controller. |
| 878 | */ |
| 879 | switch (id) { |
| 880 | case AT91RM9200_ID_SSC0: |
| 881 | pdev = &at91rm9200_ssc0_device; |
| 882 | configure_ssc0_pins(pins); |
Andrew Victor | bfbc326 | 2008-01-23 09:18:06 +0100 | [diff] [blame] | 883 | break; |
| 884 | case AT91RM9200_ID_SSC1: |
| 885 | pdev = &at91rm9200_ssc1_device; |
| 886 | configure_ssc1_pins(pins); |
Andrew Victor | bfbc326 | 2008-01-23 09:18:06 +0100 | [diff] [blame] | 887 | break; |
| 888 | case AT91RM9200_ID_SSC2: |
| 889 | pdev = &at91rm9200_ssc2_device; |
| 890 | configure_ssc2_pins(pins); |
Andrew Victor | bfbc326 | 2008-01-23 09:18:06 +0100 | [diff] [blame] | 891 | break; |
| 892 | default: |
| 893 | return; |
| 894 | } |
| 895 | |
| 896 | platform_device_register(pdev); |
| 897 | } |
| 898 | |
| 899 | #else |
| 900 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} |
| 901 | #endif |
| 902 | |
| 903 | |
| 904 | /* -------------------------------------------------------------------- |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 905 | * UART |
| 906 | * -------------------------------------------------------------------- */ |
| 907 | |
Haavard Skinnemoen | 749c4e6 | 2006-10-04 16:02:02 +0200 | [diff] [blame] | 908 | #if defined(CONFIG_SERIAL_ATMEL) |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 909 | static struct resource dbgu_resources[] = { |
| 910 | [0] = { |
Jean-Christophe PLAGNIOL-VILLARD | 13079a7 | 2011-11-02 01:43:31 +0800 | [diff] [blame] | 911 | .start = AT91RM9200_BASE_DBGU, |
| 912 | .end = AT91RM9200_BASE_DBGU + SZ_512 - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 913 | .flags = IORESOURCE_MEM, |
| 914 | }, |
| 915 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 916 | .start = NR_IRQS_LEGACY + AT91_ID_SYS, |
| 917 | .end = NR_IRQS_LEGACY + AT91_ID_SYS, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 918 | .flags = IORESOURCE_IRQ, |
| 919 | }, |
| 920 | }; |
| 921 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 922 | static struct atmel_uart_data dbgu_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 923 | .use_dma_tx = 0, |
| 924 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ |
| 925 | }; |
| 926 | |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 927 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
| 928 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 929 | static struct platform_device at91rm9200_dbgu_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 930 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 931 | .id = 0, |
| 932 | .dev = { |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 933 | .dma_mask = &dbgu_dmamask, |
| 934 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 935 | .platform_data = &dbgu_data, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 936 | }, |
| 937 | .resource = dbgu_resources, |
| 938 | .num_resources = ARRAY_SIZE(dbgu_resources), |
| 939 | }; |
| 940 | |
| 941 | static inline void configure_dbgu_pins(void) |
| 942 | { |
| 943 | at91_set_A_periph(AT91_PIN_PA30, 0); /* DRXD */ |
| 944 | at91_set_A_periph(AT91_PIN_PA31, 1); /* DTXD */ |
| 945 | } |
| 946 | |
| 947 | static struct resource uart0_resources[] = { |
| 948 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 949 | .start = AT91RM9200_BASE_US0, |
| 950 | .end = AT91RM9200_BASE_US0 + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 951 | .flags = IORESOURCE_MEM, |
| 952 | }, |
| 953 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 954 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_US0, |
| 955 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_US0, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 956 | .flags = IORESOURCE_IRQ, |
| 957 | }, |
| 958 | }; |
| 959 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 960 | static struct atmel_uart_data uart0_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 961 | .use_dma_tx = 1, |
| 962 | .use_dma_rx = 1, |
| 963 | }; |
| 964 | |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 965 | static u64 uart0_dmamask = DMA_BIT_MASK(32); |
| 966 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 967 | static struct platform_device at91rm9200_uart0_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 968 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 969 | .id = 1, |
| 970 | .dev = { |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 971 | .dma_mask = &uart0_dmamask, |
| 972 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 973 | .platform_data = &uart0_data, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 974 | }, |
| 975 | .resource = uart0_resources, |
| 976 | .num_resources = ARRAY_SIZE(uart0_resources), |
| 977 | }; |
| 978 | |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 979 | static inline void configure_usart0_pins(unsigned pins) |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 980 | { |
| 981 | at91_set_A_periph(AT91_PIN_PA17, 1); /* TXD0 */ |
| 982 | at91_set_A_periph(AT91_PIN_PA18, 0); /* RXD0 */ |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 983 | |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 984 | if (pins & ATMEL_UART_CTS) |
| 985 | at91_set_A_periph(AT91_PIN_PA20, 0); /* CTS0 */ |
| 986 | |
| 987 | if (pins & ATMEL_UART_RTS) { |
| 988 | /* |
| 989 | * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21. |
| 990 | * We need to drive the pin manually. Default is off (RTS is active low). |
| 991 | */ |
| 992 | at91_set_gpio_output(AT91_PIN_PA21, 1); |
| 993 | } |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 994 | } |
| 995 | |
| 996 | static struct resource uart1_resources[] = { |
| 997 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 998 | .start = AT91RM9200_BASE_US1, |
| 999 | .end = AT91RM9200_BASE_US1 + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1000 | .flags = IORESOURCE_MEM, |
| 1001 | }, |
| 1002 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 1003 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_US1, |
| 1004 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_US1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1005 | .flags = IORESOURCE_IRQ, |
| 1006 | }, |
| 1007 | }; |
| 1008 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 1009 | static struct atmel_uart_data uart1_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1010 | .use_dma_tx = 1, |
| 1011 | .use_dma_rx = 1, |
| 1012 | }; |
| 1013 | |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 1014 | static u64 uart1_dmamask = DMA_BIT_MASK(32); |
| 1015 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1016 | static struct platform_device at91rm9200_uart1_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 1017 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1018 | .id = 2, |
| 1019 | .dev = { |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 1020 | .dma_mask = &uart1_dmamask, |
| 1021 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1022 | .platform_data = &uart1_data, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1023 | }, |
| 1024 | .resource = uart1_resources, |
| 1025 | .num_resources = ARRAY_SIZE(uart1_resources), |
| 1026 | }; |
| 1027 | |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1028 | static inline void configure_usart1_pins(unsigned pins) |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1029 | { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1030 | at91_set_A_periph(AT91_PIN_PB20, 1); /* TXD1 */ |
| 1031 | at91_set_A_periph(AT91_PIN_PB21, 0); /* RXD1 */ |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1032 | |
| 1033 | if (pins & ATMEL_UART_RI) |
| 1034 | at91_set_A_periph(AT91_PIN_PB18, 0); /* RI1 */ |
| 1035 | if (pins & ATMEL_UART_DTR) |
| 1036 | at91_set_A_periph(AT91_PIN_PB19, 0); /* DTR1 */ |
| 1037 | if (pins & ATMEL_UART_DCD) |
| 1038 | at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD1 */ |
| 1039 | if (pins & ATMEL_UART_CTS) |
| 1040 | at91_set_A_periph(AT91_PIN_PB24, 0); /* CTS1 */ |
| 1041 | if (pins & ATMEL_UART_DSR) |
| 1042 | at91_set_A_periph(AT91_PIN_PB25, 0); /* DSR1 */ |
| 1043 | if (pins & ATMEL_UART_RTS) |
| 1044 | at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS1 */ |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1045 | } |
| 1046 | |
| 1047 | static struct resource uart2_resources[] = { |
| 1048 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 1049 | .start = AT91RM9200_BASE_US2, |
| 1050 | .end = AT91RM9200_BASE_US2 + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1051 | .flags = IORESOURCE_MEM, |
| 1052 | }, |
| 1053 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 1054 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_US2, |
| 1055 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_US2, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1056 | .flags = IORESOURCE_IRQ, |
| 1057 | }, |
| 1058 | }; |
| 1059 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 1060 | static struct atmel_uart_data uart2_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1061 | .use_dma_tx = 1, |
| 1062 | .use_dma_rx = 1, |
| 1063 | }; |
| 1064 | |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 1065 | static u64 uart2_dmamask = DMA_BIT_MASK(32); |
| 1066 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1067 | static struct platform_device at91rm9200_uart2_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 1068 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1069 | .id = 3, |
| 1070 | .dev = { |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 1071 | .dma_mask = &uart2_dmamask, |
| 1072 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1073 | .platform_data = &uart2_data, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1074 | }, |
| 1075 | .resource = uart2_resources, |
| 1076 | .num_resources = ARRAY_SIZE(uart2_resources), |
| 1077 | }; |
| 1078 | |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1079 | static inline void configure_usart2_pins(unsigned pins) |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1080 | { |
| 1081 | at91_set_A_periph(AT91_PIN_PA22, 0); /* RXD2 */ |
| 1082 | at91_set_A_periph(AT91_PIN_PA23, 1); /* TXD2 */ |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1083 | |
| 1084 | if (pins & ATMEL_UART_CTS) |
| 1085 | at91_set_B_periph(AT91_PIN_PA30, 0); /* CTS2 */ |
| 1086 | if (pins & ATMEL_UART_RTS) |
| 1087 | at91_set_B_periph(AT91_PIN_PA31, 0); /* RTS2 */ |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1088 | } |
| 1089 | |
| 1090 | static struct resource uart3_resources[] = { |
| 1091 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 1092 | .start = AT91RM9200_BASE_US3, |
| 1093 | .end = AT91RM9200_BASE_US3 + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1094 | .flags = IORESOURCE_MEM, |
| 1095 | }, |
| 1096 | [1] = { |
Ludovic Desroches | 8fe82a5 | 2012-06-21 14:47:27 +0200 | [diff] [blame] | 1097 | .start = NR_IRQS_LEGACY + AT91RM9200_ID_US3, |
| 1098 | .end = NR_IRQS_LEGACY + AT91RM9200_ID_US3, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1099 | .flags = IORESOURCE_IRQ, |
| 1100 | }, |
| 1101 | }; |
| 1102 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 1103 | static struct atmel_uart_data uart3_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1104 | .use_dma_tx = 1, |
| 1105 | .use_dma_rx = 1, |
| 1106 | }; |
| 1107 | |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 1108 | static u64 uart3_dmamask = DMA_BIT_MASK(32); |
| 1109 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1110 | static struct platform_device at91rm9200_uart3_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 1111 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1112 | .id = 4, |
| 1113 | .dev = { |
Andrew Victor | c6686ff | 2008-01-23 09:13:53 +0100 | [diff] [blame] | 1114 | .dma_mask = &uart3_dmamask, |
| 1115 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1116 | .platform_data = &uart3_data, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1117 | }, |
| 1118 | .resource = uart3_resources, |
| 1119 | .num_resources = ARRAY_SIZE(uart3_resources), |
| 1120 | }; |
| 1121 | |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1122 | static inline void configure_usart3_pins(unsigned pins) |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1123 | { |
| 1124 | at91_set_B_periph(AT91_PIN_PA5, 1); /* TXD3 */ |
| 1125 | at91_set_B_periph(AT91_PIN_PA6, 0); /* RXD3 */ |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1126 | |
| 1127 | if (pins & ATMEL_UART_CTS) |
| 1128 | at91_set_B_periph(AT91_PIN_PB1, 0); /* CTS3 */ |
| 1129 | if (pins & ATMEL_UART_RTS) |
| 1130 | at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS3 */ |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1131 | } |
| 1132 | |
Andrew Victor | 11aadac | 2008-04-15 21:16:38 +0100 | [diff] [blame] | 1133 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1134 | |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1135 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) |
| 1136 | { |
| 1137 | struct platform_device *pdev; |
Jean-Christophe PLAGNIOL-VILLARD | 2b348e2 | 2011-04-10 14:10:05 +0800 | [diff] [blame] | 1138 | struct atmel_uart_data *pdata; |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1139 | |
| 1140 | switch (id) { |
| 1141 | case 0: /* DBGU */ |
| 1142 | pdev = &at91rm9200_dbgu_device; |
| 1143 | configure_dbgu_pins(); |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1144 | break; |
| 1145 | case AT91RM9200_ID_US0: |
| 1146 | pdev = &at91rm9200_uart0_device; |
| 1147 | configure_usart0_pins(pins); |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1148 | break; |
| 1149 | case AT91RM9200_ID_US1: |
| 1150 | pdev = &at91rm9200_uart1_device; |
| 1151 | configure_usart1_pins(pins); |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1152 | break; |
| 1153 | case AT91RM9200_ID_US2: |
| 1154 | pdev = &at91rm9200_uart2_device; |
| 1155 | configure_usart2_pins(pins); |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1156 | break; |
| 1157 | case AT91RM9200_ID_US3: |
| 1158 | pdev = &at91rm9200_uart3_device; |
| 1159 | configure_usart3_pins(pins); |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1160 | break; |
| 1161 | default: |
| 1162 | return; |
| 1163 | } |
Jean-Christophe PLAGNIOL-VILLARD | 2b348e2 | 2011-04-10 14:10:05 +0800 | [diff] [blame] | 1164 | pdata = pdev->dev.platform_data; |
| 1165 | pdata->num = portnr; /* update to mapped ID */ |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1166 | |
| 1167 | if (portnr < ATMEL_MAX_UART) |
| 1168 | at91_uarts[portnr] = pdev; |
| 1169 | } |
| 1170 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1171 | void __init at91_add_device_serial(void) |
| 1172 | { |
| 1173 | int i; |
| 1174 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 1175 | for (i = 0; i < ATMEL_MAX_UART; i++) { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1176 | if (at91_uarts[i]) |
| 1177 | platform_device_register(at91_uarts[i]); |
| 1178 | } |
| 1179 | } |
| 1180 | #else |
Andrew Victor | c8f385a | 2008-01-23 09:25:15 +0100 | [diff] [blame] | 1181 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1182 | void __init at91_add_device_serial(void) {} |
| 1183 | #endif |
| 1184 | |
| 1185 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 1186 | /* -------------------------------------------------------------------- */ |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1187 | |
| 1188 | /* |
| 1189 | * These devices are always present and don't need any board-specific |
| 1190 | * setup. |
| 1191 | */ |
| 1192 | static int __init at91_add_standard_devices(void) |
| 1193 | { |
| 1194 | at91_add_device_rtc(); |
| 1195 | at91_add_device_watchdog(); |
Andrew Victor | e5f40bf | 2008-04-02 21:58:00 +0100 | [diff] [blame] | 1196 | at91_add_device_tc(); |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 1197 | return 0; |
| 1198 | } |
| 1199 | |
| 1200 | arch_initcall(at91_add_standard_devices); |