aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91/at91rm9200_devices.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-at91/at91rm9200_devices.c')
-rw-r--r--arch/arm/mach-at91/at91rm9200_devices.c239
1 files changed, 127 insertions, 112 deletions
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 97676bdae99..3f4bb58aea5 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -15,14 +15,18 @@
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
#include <linux/platform_device.h>
#include <linux/i2c-gpio.h>
-#include <mach/board.h>
#include <mach/at91rm9200.h>
#include <mach/at91rm9200_mc.h>
+#include <mach/at91_ramc.h>
+#include <mach/hardware.h>
+#include "board.h"
#include "generic.h"
+#include "gpio.h"
/* --------------------------------------------------------------------
@@ -40,8 +44,8 @@ static struct resource usbh_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_UHP,
- .end = AT91RM9200_ID_UHP,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_UHP,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_UHP,
.flags = IORESOURCE_IRQ,
},
};
@@ -67,7 +71,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data)
/* Enable overcurrent notification */
for (i = 0; i < data->ports; i++) {
- if (data->overcurrent_pin[i])
+ if (gpio_is_valid(data->overcurrent_pin[i]))
at91_set_gpio_input(data->overcurrent_pin[i], 1);
}
@@ -93,8 +97,8 @@ static struct resource udc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_UDP,
- .end = AT91RM9200_ID_UDP,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_UDP,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_UDP,
.flags = IORESOURCE_IRQ,
},
};
@@ -139,13 +143,13 @@ static struct macb_platform_data eth_data;
static struct resource eth_resources[] = {
[0] = {
- .start = AT91_VA_BASE_EMAC,
- .end = AT91_VA_BASE_EMAC + SZ_16K - 1,
+ .start = AT91RM9200_BASE_EMAC,
+ .end = AT91RM9200_BASE_EMAC + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_EMAC,
- .end = AT91RM9200_ID_EMAC,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_EMAC,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_EMAC,
.flags = IORESOURCE_IRQ,
},
};
@@ -241,15 +245,15 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
data->chipselect = 4; /* can only use EBI ChipSelect 4 */
/* CF takes over CS4, CS5, CS6 */
- csa = at91_sys_read(AT91_EBI_CSA);
- at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS4A_SMC_COMPACTFLASH);
+ csa = at91_ramc_read(0, AT91_EBI_CSA);
+ at91_ramc_write(0, AT91_EBI_CSA, csa | AT91_EBI_CS4A_SMC_COMPACTFLASH);
/*
* Static memory controller timing adjustments.
* REVISIT: these timings are in terms of MCK cycles, so
* when MCK changes (cpufreq etc) so must these values...
*/
- at91_sys_write(AT91_SMC_CSR(4),
+ at91_ramc_write(0, AT91_SMC_CSR(4),
AT91_SMC_ACSS_STD
| AT91_SMC_DBW_16
| AT91_SMC_BAT
@@ -293,9 +297,9 @@ void __init at91_add_device_cf(struct at91_cf_data *data) {}
* MMC / SD
* -------------------------------------------------------------------- */
-#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
+#if IS_ENABLED(CONFIG_MMC_ATMELMCI)
static u64 mmc_dmamask = DMA_BIT_MASK(32);
-static struct at91_mmc_data mmc_data;
+static struct mci_platform_data mmc_data;
static struct resource mmc_resources[] = {
[0] = {
@@ -304,14 +308,14 @@ static struct resource mmc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_MCI,
- .end = AT91RM9200_ID_MCI,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_MCI,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_MCI,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91rm9200_mmc_device = {
- .name = "at91_mci",
+ .name = "atmel_mci",
.id = -1,
.dev = {
.dma_mask = &mmc_dmamask,
@@ -322,53 +326,69 @@ static struct platform_device at91rm9200_mmc_device = {
.num_resources = ARRAY_SIZE(mmc_resources),
};
-void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
+void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
{
+ unsigned int i;
+ unsigned int slot_count = 0;
+
if (!data)
return;
- /* input/irq */
- if (gpio_is_valid(data->det_pin)) {
- at91_set_gpio_input(data->det_pin, 1);
- at91_set_deglitch(data->det_pin, 1);
- }
- if (gpio_is_valid(data->wp_pin))
- at91_set_gpio_input(data->wp_pin, 1);
- if (gpio_is_valid(data->vcc_pin))
- at91_set_gpio_output(data->vcc_pin, 0);
-
- /* CLK */
- at91_set_A_periph(AT91_PIN_PA27, 0);
+ for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
- if (data->slot_b) {
- /* CMD */
- at91_set_B_periph(AT91_PIN_PA8, 1);
+ if (!data->slot[i].bus_width)
+ continue;
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_B_periph(AT91_PIN_PA9, 1);
- if (data->wire4) {
- at91_set_B_periph(AT91_PIN_PA10, 1);
- at91_set_B_periph(AT91_PIN_PA11, 1);
- at91_set_B_periph(AT91_PIN_PA12, 1);
+ /* input/irq */
+ if (gpio_is_valid(data->slot[i].detect_pin)) {
+ at91_set_gpio_input(data->slot[i].detect_pin, 1);
+ at91_set_deglitch(data->slot[i].detect_pin, 1);
}
- } else {
- /* CMD */
- at91_set_A_periph(AT91_PIN_PA28, 1);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_A_periph(AT91_PIN_PA29, 1);
- if (data->wire4) {
- at91_set_B_periph(AT91_PIN_PB3, 1);
- at91_set_B_periph(AT91_PIN_PB4, 1);
- at91_set_B_periph(AT91_PIN_PB5, 1);
+ if (gpio_is_valid(data->slot[i].wp_pin))
+ at91_set_gpio_input(data->slot[i].wp_pin, 1);
+
+ switch (i) {
+ case 0: /* slot A */
+ /* CMD */
+ at91_set_A_periph(AT91_PIN_PA28, 1);
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_A_periph(AT91_PIN_PA29, 1);
+ if (data->slot[i].bus_width == 4) {
+ at91_set_B_periph(AT91_PIN_PB3, 1);
+ at91_set_B_periph(AT91_PIN_PB4, 1);
+ at91_set_B_periph(AT91_PIN_PB5, 1);
+ }
+ slot_count++;
+ break;
+ case 1: /* slot B */
+ /* CMD */
+ at91_set_B_periph(AT91_PIN_PA8, 1);
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_B_periph(AT91_PIN_PA9, 1);
+ if (data->slot[i].bus_width == 4) {
+ at91_set_B_periph(AT91_PIN_PA10, 1);
+ at91_set_B_periph(AT91_PIN_PA11, 1);
+ at91_set_B_periph(AT91_PIN_PA12, 1);
+ }
+ slot_count++;
+ break;
+ default:
+ printk(KERN_ERR
+ "AT91: SD/MMC slot %d not available\n", i);
+ break;
+ }
+ if (slot_count) {
+ /* CLK */
+ at91_set_A_periph(AT91_PIN_PA27, 0);
+
+ mmc_data = *data;
+ platform_device_register(&at91rm9200_mmc_device);
}
}
- mmc_data = *data;
- platform_device_register(&at91rm9200_mmc_device);
}
#else
-void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
+void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
#endif
@@ -407,11 +427,11 @@ void __init at91_add_device_nand(struct atmel_nand_data *data)
return;
/* enable the address range of CS3 */
- csa = at91_sys_read(AT91_EBI_CSA);
- at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS3A_SMC_SMARTMEDIA);
+ csa = at91_ramc_read(0, AT91_EBI_CSA);
+ at91_ramc_write(0, AT91_EBI_CSA, csa | AT91_EBI_CS3A_SMC_SMARTMEDIA);
/* set the bus interface characteristics */
- at91_sys_write(AT91_SMC_CSR(3), AT91_SMC_ACSS_STD | AT91_SMC_DBW_8 | AT91_SMC_WSEN
+ at91_ramc_write(0, AT91_SMC_CSR(3), AT91_SMC_ACSS_STD | AT91_SMC_DBW_8 | AT91_SMC_WSEN
| AT91_SMC_NWS_(5)
| AT91_SMC_TDF_(1)
| AT91_SMC_RWSETUP_(0) /* tDS Data Set up Time 30 - ns */
@@ -462,7 +482,7 @@ static struct i2c_gpio_platform_data pdata = {
static struct platform_device at91rm9200_twi_device = {
.name = "i2c-gpio",
- .id = -1,
+ .id = 0,
.dev.platform_data = &pdata,
};
@@ -487,15 +507,15 @@ static struct resource twi_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_TWI,
- .end = AT91RM9200_ID_TWI,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_TWI,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_TWI,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91rm9200_twi_device = {
- .name = "at91_i2c",
- .id = -1,
+ .name = "i2c-at91rm9200",
+ .id = 0,
.resource = twi_resources,
.num_resources = ARRAY_SIZE(twi_resources),
};
@@ -531,8 +551,8 @@ static struct resource spi_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_SPI,
- .end = AT91RM9200_ID_SPI,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_SPI,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_SPI,
.flags = IORESOURCE_IRQ,
},
};
@@ -597,18 +617,18 @@ static struct resource tcb0_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_TC0,
- .end = AT91RM9200_ID_TC0,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC0,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC0,
.flags = IORESOURCE_IRQ,
},
[2] = {
- .start = AT91RM9200_ID_TC1,
- .end = AT91RM9200_ID_TC1,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC1,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC1,
.flags = IORESOURCE_IRQ,
},
[3] = {
- .start = AT91RM9200_ID_TC2,
- .end = AT91RM9200_ID_TC2,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC2,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC2,
.flags = IORESOURCE_IRQ,
},
};
@@ -627,18 +647,18 @@ static struct resource tcb1_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_TC3,
- .end = AT91RM9200_ID_TC3,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC3,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC3,
.flags = IORESOURCE_IRQ,
},
[2] = {
- .start = AT91RM9200_ID_TC4,
- .end = AT91RM9200_ID_TC4,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC4,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC4,
.flags = IORESOURCE_IRQ,
},
[3] = {
- .start = AT91RM9200_ID_TC5,
- .end = AT91RM9200_ID_TC5,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC5,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC5,
.flags = IORESOURCE_IRQ,
},
};
@@ -672,8 +692,8 @@ static struct resource rtc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91_ID_SYS,
- .end = AT91_ID_SYS,
+ .start = NR_IRQS_LEGACY + AT91_ID_SYS,
+ .end = NR_IRQS_LEGACY + AT91_ID_SYS,
.flags = IORESOURCE_IRQ,
},
};
@@ -728,14 +748,14 @@ static struct resource ssc0_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_SSC0,
- .end = AT91RM9200_ID_SSC0,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_SSC0,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_SSC0,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91rm9200_ssc0_device = {
- .name = "ssc",
+ .name = "at91rm9200_ssc",
.id = 0,
.dev = {
.dma_mask = &ssc0_dmamask,
@@ -770,14 +790,14 @@ static struct resource ssc1_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_SSC1,
- .end = AT91RM9200_ID_SSC1,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_SSC1,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_SSC1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91rm9200_ssc1_device = {
- .name = "ssc",
+ .name = "at91rm9200_ssc",
.id = 1,
.dev = {
.dma_mask = &ssc1_dmamask,
@@ -812,14 +832,14 @@ static struct resource ssc2_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_SSC2,
- .end = AT91RM9200_ID_SSC2,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_SSC2,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_SSC2,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91rm9200_ssc2_device = {
- .name = "ssc",
+ .name = "at91rm9200_ssc",
.id = 2,
.dev = {
.dma_mask = &ssc2_dmamask,
@@ -896,8 +916,8 @@ static struct resource dbgu_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91_ID_SYS,
- .end = AT91_ID_SYS,
+ .start = NR_IRQS_LEGACY + AT91_ID_SYS,
+ .end = NR_IRQS_LEGACY + AT91_ID_SYS,
.flags = IORESOURCE_IRQ,
},
};
@@ -934,8 +954,8 @@ static struct resource uart0_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_US0,
- .end = AT91RM9200_ID_US0,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_US0,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_US0,
.flags = IORESOURCE_IRQ,
},
};
@@ -945,6 +965,14 @@ static struct atmel_uart_data uart0_data = {
.use_dma_rx = 1,
};
+static struct gpiod_lookup_table uart0_gpios_table = {
+ .dev_id = "atmel_usart",
+ .table = {
+ GPIO_LOOKUP("pioA", 21, "rts", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
static u64 uart0_dmamask = DMA_BIT_MASK(32);
static struct platform_device at91rm9200_uart0_device = {
@@ -970,9 +998,10 @@ static inline void configure_usart0_pins(unsigned pins)
if (pins & ATMEL_UART_RTS) {
/*
* AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21.
- * We need to drive the pin manually. Default is off (RTS is active low).
+ * We need to drive the pin manually. The serial driver will driver
+ * this to high when initializing.
*/
- at91_set_gpio_output(AT91_PIN_PA21, 1);
+ gpiod_add_lookup_table(&uart0_gpios_table);
}
}
@@ -983,8 +1012,8 @@ static struct resource uart1_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_US1,
- .end = AT91RM9200_ID_US1,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_US1,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_US1,
.flags = IORESOURCE_IRQ,
},
};
@@ -1034,8 +1063,8 @@ static struct resource uart2_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_US2,
- .end = AT91RM9200_ID_US2,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_US2,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_US2,
.flags = IORESOURCE_IRQ,
},
};
@@ -1077,8 +1106,8 @@ static struct resource uart3_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91RM9200_ID_US3,
- .end = AT91RM9200_ID_US3,
+ .start = NR_IRQS_LEGACY + AT91RM9200_ID_US3,
+ .end = NR_IRQS_LEGACY + AT91RM9200_ID_US3,
.flags = IORESOURCE_IRQ,
},
};
@@ -1114,7 +1143,6 @@ static inline void configure_usart3_pins(unsigned pins)
}
static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
-struct platform_device *atmel_default_console_device; /* the serial console device */
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
{
@@ -1152,14 +1180,6 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
at91_uarts[portnr] = pdev;
}
-void __init at91_set_serial_console(unsigned portnr)
-{
- if (portnr < ATMEL_MAX_UART) {
- atmel_default_console_device = at91_uarts[portnr];
- at91rm9200_set_console_clock(at91_uarts[portnr]->id);
- }
-}
-
void __init at91_add_device_serial(void)
{
int i;
@@ -1168,14 +1188,9 @@ void __init at91_add_device_serial(void)
if (at91_uarts[i])
platform_device_register(at91_uarts[i]);
}
-
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
}
#else
-void __init __deprecated at91_init_serial(struct at91_uart_config *config) {}
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
-void __init at91_set_serial_console(unsigned portnr) {}
void __init at91_add_device_serial(void) {}
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 14:18:36 +0000