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Diffstat (limited to 'arch/arm/mach-at91/at91sam9260_devices.c')
-rw-r--r--arch/arm/mach-at91/at91sam9260_devices.c934
1 files changed, 715 insertions, 219 deletions
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index ffd3154c1e5..ef88e0fe4e8 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -12,23 +12,30 @@
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
#include <linux/platform_device.h>
+#include <linux/i2c-gpio.h>
-#include <asm/arch/board.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/at91sam9260.h>
-#include <asm/arch/at91sam926x_mc.h>
-#include <asm/arch/at91sam9260_matrix.h>
+#include <linux/platform_data/at91_adc.h>
-#include "generic.h"
+#include <mach/cpu.h>
+#include <mach/at91sam9260.h>
+#include <mach/at91sam9260_matrix.h>
+#include <mach/at91_matrix.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/hardware.h>
+#include "board.h"
+#include "generic.h"
+#include "gpio.h"
/* --------------------------------------------------------------------
* USB Host
* -------------------------------------------------------------------- */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-static u64 ohci_dmamask = 0xffffffffUL;
+static u64 ohci_dmamask = DMA_BIT_MASK(32);
static struct at91_usbh_data usbh_data;
static struct resource usbh_resources[] = {
@@ -38,8 +45,8 @@ static struct resource usbh_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_UHP,
- .end = AT91SAM9260_ID_UHP,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP,
.flags = IORESOURCE_IRQ,
},
};
@@ -49,7 +56,7 @@ static struct platform_device at91_usbh_device = {
.id = -1,
.dev = {
.dma_mask = &ohci_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &usbh_data,
},
.resource = usbh_resources,
@@ -58,9 +65,17 @@ static struct platform_device at91_usbh_device = {
void __init at91_add_device_usbh(struct at91_usbh_data *data)
{
+ int i;
+
if (!data)
return;
+ /* Enable overcurrent notification */
+ for (i = 0; i < data->ports; i++) {
+ if (gpio_is_valid(data->overcurrent_pin[i]))
+ at91_set_gpio_input(data->overcurrent_pin[i], 1);
+ }
+
usbh_data = *data;
platform_device_register(&at91_usbh_device);
}
@@ -73,7 +88,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
* USB Device (Gadget)
* -------------------------------------------------------------------- */
-#ifdef CONFIG_USB_GADGET_AT91
+#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
static struct at91_udc_data udc_data;
static struct resource udc_resources[] = {
@@ -83,8 +98,8 @@ static struct resource udc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_UDP,
- .end = AT91SAM9260_ID_UDP,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP,
.flags = IORESOURCE_IRQ,
},
};
@@ -104,7 +119,7 @@ void __init at91_add_device_udc(struct at91_udc_data *data)
if (!data)
return;
- if (data->vbus_pin) {
+ if (gpio_is_valid(data->vbus_pin)) {
at91_set_gpio_input(data->vbus_pin, 0);
at91_set_deglitch(data->vbus_pin, 1);
}
@@ -124,8 +139,8 @@ void __init at91_add_device_udc(struct at91_udc_data *data) {}
* -------------------------------------------------------------------- */
#if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
-static u64 eth_dmamask = 0xffffffffUL;
-static struct at91_eth_data eth_data;
+static u64 eth_dmamask = DMA_BIT_MASK(32);
+static struct macb_platform_data eth_data;
static struct resource eth_resources[] = {
[0] = {
@@ -134,8 +149,8 @@ static struct resource eth_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_EMAC,
- .end = AT91SAM9260_ID_EMAC,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC,
.flags = IORESOURCE_IRQ,
},
};
@@ -145,19 +160,19 @@ static struct platform_device at91sam9260_eth_device = {
.id = -1,
.dev = {
.dma_mask = &eth_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &eth_data,
},
.resource = eth_resources,
.num_resources = ARRAY_SIZE(eth_resources),
};
-void __init at91_add_device_eth(struct at91_eth_data *data)
+void __init at91_add_device_eth(struct macb_platform_data *data)
{
if (!data)
return;
- if (data->phy_irq_pin) {
+ if (gpio_is_valid(data->phy_irq_pin)) {
at91_set_gpio_input(data->phy_irq_pin, 0);
at91_set_deglitch(data->phy_irq_pin, 1);
}
@@ -189,17 +204,17 @@ void __init at91_add_device_eth(struct at91_eth_data *data)
platform_device_register(&at91sam9260_eth_device);
}
#else
-void __init at91_add_device_eth(struct at91_eth_data *data) {}
+void __init at91_add_device_eth(struct macb_platform_data *data) {}
#endif
/* --------------------------------------------------------------------
- * MMC / SD
+ * MMC / SD Slot for Atmel MCI Driver
* -------------------------------------------------------------------- */
-#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
-static u64 mmc_dmamask = 0xffffffffUL;
-static struct at91_mmc_data mmc_data;
+#if IS_ENABLED(CONFIG_MMC_ATMELMCI)
+static u64 mmc_dmamask = DMA_BIT_MASK(32);
+static struct mci_platform_data mmc_data;
static struct resource mmc_resources[] = {
[0] = {
@@ -208,71 +223,85 @@ static struct resource mmc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_MCI,
- .end = AT91SAM9260_ID_MCI,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9260_mmc_device = {
- .name = "at91_mci",
+ .name = "atmel_mci",
.id = -1,
.dev = {
.dma_mask = &mmc_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &mmc_data,
},
.resource = mmc_resources,
.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 (data->det_pin) {
- at91_set_gpio_input(data->det_pin, 1);
- at91_set_deglitch(data->det_pin, 1);
- }
- if (data->wp_pin)
- at91_set_gpio_input(data->wp_pin, 1);
- if (data->vcc_pin)
- at91_set_gpio_output(data->vcc_pin, 0);
-
- /* CLK */
- at91_set_A_periph(AT91_PIN_PA8, 0);
-
- if (data->slot_b) {
- /* CMD */
- at91_set_B_periph(AT91_PIN_PA1, 1);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_B_periph(AT91_PIN_PA0, 1);
- if (data->wire4) {
- at91_set_B_periph(AT91_PIN_PA5, 1);
- at91_set_B_periph(AT91_PIN_PA4, 1);
- at91_set_B_periph(AT91_PIN_PA3, 1);
- }
- } else {
- /* CMD */
- at91_set_A_periph(AT91_PIN_PA7, 1);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_A_periph(AT91_PIN_PA6, 1);
- if (data->wire4) {
- at91_set_A_periph(AT91_PIN_PA9, 1);
- at91_set_A_periph(AT91_PIN_PA10, 1);
- at91_set_A_periph(AT91_PIN_PA11, 1);
+ for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
+ if (data->slot[i].bus_width) {
+ /* 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);
+ }
+ if (gpio_is_valid(data->slot[i].wp_pin))
+ at91_set_gpio_input(data->slot[i].wp_pin, 1);
+
+ switch (i) {
+ case 0:
+ /* CMD */
+ at91_set_A_periph(AT91_PIN_PA7, 1);
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_A_periph(AT91_PIN_PA6, 1);
+ if (data->slot[i].bus_width == 4) {
+ at91_set_A_periph(AT91_PIN_PA9, 1);
+ at91_set_A_periph(AT91_PIN_PA10, 1);
+ at91_set_A_periph(AT91_PIN_PA11, 1);
+ }
+ slot_count++;
+ break;
+ case 1:
+ /* CMD */
+ at91_set_B_periph(AT91_PIN_PA1, 1);
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_B_periph(AT91_PIN_PA0, 1);
+ if (data->slot[i].bus_width == 4) {
+ at91_set_B_periph(AT91_PIN_PA5, 1);
+ at91_set_B_periph(AT91_PIN_PA4, 1);
+ at91_set_B_periph(AT91_PIN_PA3, 1);
+ }
+ slot_count++;
+ break;
+ default:
+ printk(KERN_ERR
+ "AT91: SD/MMC slot %d not available\n", i);
+ break;
+ }
}
}
- mmc_data = *data;
- platform_device_register(&at91sam9260_mmc_device);
+ if (slot_count) {
+ /* CLK */
+ at91_set_A_periph(AT91_PIN_PA8, 0);
+
+ mmc_data = *data;
+ platform_device_register(&at91sam9260_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
@@ -280,21 +309,26 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
* NAND / SmartMedia
* -------------------------------------------------------------------- */
-#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
-static struct at91_nand_data nand_data;
+#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
+static struct atmel_nand_data nand_data;
#define NAND_BASE AT91_CHIPSELECT_3
static struct resource nand_resources[] = {
- {
+ [0] = {
.start = NAND_BASE,
- .end = NAND_BASE + SZ_8M - 1,
+ .end = NAND_BASE + SZ_256M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9260_BASE_ECC,
+ .end = AT91SAM9260_BASE_ECC + SZ_512 - 1,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device at91sam9260_nand_device = {
- .name = "at91_nand",
+ .name = "atmel_nand",
.id = -1,
.dev = {
.platform_data = &nand_data,
@@ -303,48 +337,33 @@ static struct platform_device at91sam9260_nand_device = {
.num_resources = ARRAY_SIZE(nand_resources),
};
-void __init at91_add_device_nand(struct at91_nand_data *data)
+void __init at91_add_device_nand(struct atmel_nand_data *data)
{
- unsigned long csa, mode;
+ unsigned long csa;
if (!data)
return;
- csa = at91_sys_read(AT91_MATRIX_EBICSA);
- at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC);
-
- /* set the bus interface characteristics */
- at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
- | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
-
- at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
- | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
-
- at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
-
- if (data->bus_width_16)
- mode = AT91_SMC_DBW_16;
- else
- mode = AT91_SMC_DBW_8;
- at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
+ csa = at91_matrix_read(AT91_MATRIX_EBICSA);
+ at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
/* enable pin */
- if (data->enable_pin)
+ if (gpio_is_valid(data->enable_pin))
at91_set_gpio_output(data->enable_pin, 1);
/* ready/busy pin */
- if (data->rdy_pin)
+ if (gpio_is_valid(data->rdy_pin))
at91_set_gpio_input(data->rdy_pin, 1);
/* card detect pin */
- if (data->det_pin)
+ if (gpio_is_valid(data->det_pin))
at91_set_gpio_input(data->det_pin, 1);
nand_data = *data;
platform_device_register(&at91sam9260_nand_device);
}
#else
-void __init at91_add_device_nand(struct at91_nand_data *data) {}
+void __init at91_add_device_nand(struct atmel_nand_data *data) {}
#endif
@@ -352,7 +371,41 @@ void __init at91_add_device_nand(struct at91_nand_data *data) {}
* TWI (i2c)
* -------------------------------------------------------------------- */
-#if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
+/*
+ * Prefer the GPIO code since the TWI controller isn't robust
+ * (gets overruns and underruns under load) and can only issue
+ * repeated STARTs in one scenario (the driver doesn't yet handle them).
+ */
+
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+
+static struct i2c_gpio_platform_data pdata = {
+ .sda_pin = AT91_PIN_PA23,
+ .sda_is_open_drain = 1,
+ .scl_pin = AT91_PIN_PA24,
+ .scl_is_open_drain = 1,
+ .udelay = 2, /* ~100 kHz */
+};
+
+static struct platform_device at91sam9260_twi_device = {
+ .name = "i2c-gpio",
+ .id = 0,
+ .dev.platform_data = &pdata,
+};
+
+void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
+{
+ at91_set_GPIO_periph(AT91_PIN_PA23, 1); /* TWD (SDA) */
+ at91_set_multi_drive(AT91_PIN_PA23, 1);
+
+ at91_set_GPIO_periph(AT91_PIN_PA24, 1); /* TWCK (SCL) */
+ at91_set_multi_drive(AT91_PIN_PA24, 1);
+
+ i2c_register_board_info(0, devices, nr_devices);
+ platform_device_register(&at91sam9260_twi_device);
+}
+
+#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
static struct resource twi_resources[] = {
[0] = {
@@ -361,21 +414,27 @@ static struct resource twi_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_TWI,
- .end = AT91SAM9260_ID_TWI,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9260_twi_device = {
- .name = "at91_i2c",
- .id = -1,
+ .id = 0,
.resource = twi_resources,
.num_resources = ARRAY_SIZE(twi_resources),
};
-void __init at91_add_device_i2c(void)
+void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
{
+ /* IP version is not the same on 9260 and g20 */
+ if (cpu_is_at91sam9g20()) {
+ at91sam9260_twi_device.name = "i2c-at91sam9g20";
+ } else {
+ at91sam9260_twi_device.name = "i2c-at91sam9260";
+ }
+
/* pins used for TWI interface */
at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */
at91_set_multi_drive(AT91_PIN_PA23, 1);
@@ -383,10 +442,11 @@ void __init at91_add_device_i2c(void)
at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */
at91_set_multi_drive(AT91_PIN_PA24, 1);
+ i2c_register_board_info(0, devices, nr_devices);
platform_device_register(&at91sam9260_twi_device);
}
#else
-void __init at91_add_device_i2c(void) {}
+void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
#endif
@@ -395,7 +455,7 @@ void __init at91_add_device_i2c(void) {}
* -------------------------------------------------------------------- */
#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
-static u64 spi_dmamask = 0xffffffffUL;
+static u64 spi_dmamask = DMA_BIT_MASK(32);
static struct resource spi0_resources[] = {
[0] = {
@@ -404,8 +464,8 @@ static struct resource spi0_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_SPI0,
- .end = AT91SAM9260_ID_SPI0,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0,
.flags = IORESOURCE_IRQ,
},
};
@@ -415,7 +475,7 @@ static struct platform_device at91sam9260_spi0_device = {
.id = 0,
.dev = {
.dma_mask = &spi_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = spi0_resources,
.num_resources = ARRAY_SIZE(spi0_resources),
@@ -430,8 +490,8 @@ static struct resource spi1_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_SPI1,
- .end = AT91SAM9260_ID_SPI1,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1,
.flags = IORESOURCE_IRQ,
},
};
@@ -441,7 +501,7 @@ static struct platform_device at91sam9260_spi1_device = {
.id = 1,
.dev = {
.dma_mask = &spi_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = spi1_resources,
.num_resources = ARRAY_SIZE(spi1_resources),
@@ -465,6 +525,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
else
cs_pin = spi1_standard_cs[devices[i].chip_select];
+ if (!gpio_is_valid(cs_pin))
+ continue;
+
if (devices[i].bus_num == 0)
enable_spi0 = 1;
else
@@ -485,7 +548,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */
- at91_clock_associate("spi0_clk", &at91sam9260_spi0_device.dev, "spi_clk");
platform_device_register(&at91sam9260_spi0_device);
}
if (enable_spi1) {
@@ -493,7 +555,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */
at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */
- at91_clock_associate("spi1_clk", &at91sam9260_spi1_device.dev, "spi_clk");
platform_device_register(&at91sam9260_spi1_device);
}
}
@@ -503,24 +564,238 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
/* --------------------------------------------------------------------
- * LEDs
+ * Timer/Counter blocks
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb0_resources[] = {
+ [0] = {
+ .start = AT91SAM9260_BASE_TCB0,
+ .end = AT91SAM9260_BASE_TCB0 + SZ_256 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9260_tcb0_device = {
+ .name = "atmel_tcb",
+ .id = 0,
+ .resource = tcb0_resources,
+ .num_resources = ARRAY_SIZE(tcb0_resources),
+};
+
+static struct resource tcb1_resources[] = {
+ [0] = {
+ .start = AT91SAM9260_BASE_TCB1,
+ .end = AT91SAM9260_BASE_TCB1 + SZ_256 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9260_tcb1_device = {
+ .name = "atmel_tcb",
+ .id = 1,
+ .resource = tcb1_resources,
+ .num_resources = ARRAY_SIZE(tcb1_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+ platform_device_register(&at91sam9260_tcb0_device);
+ platform_device_register(&at91sam9260_tcb1_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
+ * RTT
* -------------------------------------------------------------------- */
-#if defined(CONFIG_LEDS)
-u8 at91_leds_cpu;
-u8 at91_leds_timer;
+static struct resource rtt_resources[] = {
+ {
+ .start = AT91SAM9260_BASE_RTT,
+ .end = AT91SAM9260_BASE_RTT + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .flags = IORESOURCE_MEM,
+ }, {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9260_rtt_device = {
+ .name = "at91_rtt",
+ .id = 0,
+ .resource = rtt_resources,
+};
+
-void __init at91_init_leds(u8 cpu_led, u8 timer_led)
+#if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
+static void __init at91_add_device_rtt_rtc(void)
{
- /* Enable GPIO to access the LEDs */
- at91_set_gpio_output(cpu_led, 1);
- at91_set_gpio_output(timer_led, 1);
+ at91sam9260_rtt_device.name = "rtc-at91sam9";
+ /*
+ * The second resource is needed:
+ * GPBR will serve as the storage for RTC time offset
+ */
+ at91sam9260_rtt_device.num_resources = 3;
+ rtt_resources[1].start = AT91SAM9260_BASE_GPBR +
+ 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
+ rtt_resources[1].end = rtt_resources[1].start + 3;
+ rtt_resources[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
+ rtt_resources[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
+}
+#else
+static void __init at91_add_device_rtt_rtc(void)
+{
+ /* Only one resource is needed: RTT not used as RTC */
+ at91sam9260_rtt_device.num_resources = 1;
+}
+#endif
- at91_leds_cpu = cpu_led;
- at91_leds_timer = timer_led;
+static void __init at91_add_device_rtt(void)
+{
+ at91_add_device_rtt_rtc();
+ platform_device_register(&at91sam9260_rtt_device);
+}
+
+
+/* --------------------------------------------------------------------
+ * Watchdog
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
+static struct resource wdt_resources[] = {
+ {
+ .start = AT91SAM9260_BASE_WDT,
+ .end = AT91SAM9260_BASE_WDT + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device at91sam9260_wdt_device = {
+ .name = "at91_wdt",
+ .id = -1,
+ .resource = wdt_resources,
+ .num_resources = ARRAY_SIZE(wdt_resources),
+};
+
+static void __init at91_add_device_watchdog(void)
+{
+ platform_device_register(&at91sam9260_wdt_device);
}
#else
-void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
+static void __init at91_add_device_watchdog(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ * SSC -- Synchronous Serial Controller
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
+static u64 ssc_dmamask = DMA_BIT_MASK(32);
+
+static struct resource ssc_resources[] = {
+ [0] = {
+ .start = AT91SAM9260_BASE_SSC,
+ .end = AT91SAM9260_BASE_SSC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9260_ssc_device = {
+ .name = "at91rm9200_ssc",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ssc_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = ssc_resources,
+ .num_resources = ARRAY_SIZE(ssc_resources),
+};
+
+static inline void configure_ssc_pins(unsigned pins)
+{
+ if (pins & ATMEL_SSC_TF)
+ at91_set_A_periph(AT91_PIN_PB17, 1);
+ if (pins & ATMEL_SSC_TK)
+ at91_set_A_periph(AT91_PIN_PB16, 1);
+ if (pins & ATMEL_SSC_TD)
+ at91_set_A_periph(AT91_PIN_PB18, 1);
+ if (pins & ATMEL_SSC_RD)
+ at91_set_A_periph(AT91_PIN_PB19, 1);
+ if (pins & ATMEL_SSC_RK)
+ at91_set_A_periph(AT91_PIN_PB20, 1);
+ if (pins & ATMEL_SSC_RF)
+ at91_set_A_periph(AT91_PIN_PB21, 1);
+}
+
+/*
+ * SSC controllers are accessed through library code, instead of any
+ * kind of all-singing/all-dancing driver. For example one could be
+ * used by a particular I2S audio codec's driver, while another one
+ * on the same system might be used by a custom data capture driver.
+ */
+void __init at91_add_device_ssc(unsigned id, unsigned pins)
+{
+ struct platform_device *pdev;
+
+ /*
+ * NOTE: caller is responsible for passing information matching
+ * "pins" to whatever will be using each particular controller.
+ */
+ switch (id) {
+ case AT91SAM9260_ID_SSC:
+ pdev = &at91sam9260_ssc_device;
+ configure_ssc_pins(pins);
+ break;
+ default:
+ return;
+ }
+
+ platform_device_register(pdev);
+}
+
+#else
+void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
#endif
@@ -530,13 +805,13 @@ void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
#if defined(CONFIG_SERIAL_ATMEL)
static struct resource dbgu_resources[] = {
[0] = {
- .start = AT91_VA_BASE_SYS + AT91_DBGU,
- .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+ .start = AT91SAM9260_BASE_DBGU,
+ .end = AT91SAM9260_BASE_DBGU + SZ_512 - 1,
.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,
},
};
@@ -544,15 +819,17 @@ static struct resource dbgu_resources[] = {
static struct atmel_uart_data dbgu_data = {
.use_dma_tx = 0,
.use_dma_rx = 0, /* DBGU not capable of receive DMA */
- .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
};
+static u64 dbgu_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9260_dbgu_device = {
.name = "atmel_usart",
.id = 0,
.dev = {
- .platform_data = &dbgu_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &dbgu_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &dbgu_data,
},
.resource = dbgu_resources,
.num_resources = ARRAY_SIZE(dbgu_resources),
@@ -571,8 +848,8 @@ static struct resource uart0_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US0,
- .end = AT91SAM9260_ID_US0,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US0,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US0,
.flags = IORESOURCE_IRQ,
},
};
@@ -582,27 +859,37 @@ static struct atmel_uart_data uart0_data = {
.use_dma_rx = 1,
};
+static u64 uart0_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9260_uart0_device = {
.name = "atmel_usart",
.id = 1,
.dev = {
- .platform_data = &uart0_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &uart0_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &uart0_data,
},
.resource = uart0_resources,
.num_resources = ARRAY_SIZE(uart0_resources),
};
-static inline void configure_usart0_pins(void)
+static inline void configure_usart0_pins(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */
- at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS0 */
- at91_set_A_periph(AT91_PIN_PB27, 0); /* CTS0 */
- at91_set_A_periph(AT91_PIN_PB24, 0); /* DTR0 */
- at91_set_A_periph(AT91_PIN_PB22, 0); /* DSR0 */
- at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */
- at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */
+
+ if (pins & ATMEL_UART_RTS)
+ at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS0 */
+ if (pins & ATMEL_UART_CTS)
+ at91_set_A_periph(AT91_PIN_PB27, 0); /* CTS0 */
+ if (pins & ATMEL_UART_DTR)
+ at91_set_A_periph(AT91_PIN_PB24, 0); /* DTR0 */
+ if (pins & ATMEL_UART_DSR)
+ at91_set_A_periph(AT91_PIN_PB22, 0); /* DSR0 */
+ if (pins & ATMEL_UART_DCD)
+ at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */
+ if (pins & ATMEL_UART_RI)
+ at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */
}
static struct resource uart1_resources[] = {
@@ -612,8 +899,8 @@ static struct resource uart1_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US1,
- .end = AT91SAM9260_ID_US1,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US1,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US1,
.flags = IORESOURCE_IRQ,
},
};
@@ -623,23 +910,29 @@ static struct atmel_uart_data uart1_data = {
.use_dma_rx = 1,
};
+static u64 uart1_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9260_uart1_device = {
.name = "atmel_usart",
.id = 2,
.dev = {
- .platform_data = &uart1_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &uart1_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &uart1_data,
},
.resource = uart1_resources,
.num_resources = ARRAY_SIZE(uart1_resources),
};
-static inline void configure_usart1_pins(void)
+static inline void configure_usart1_pins(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */
- at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */
- at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */
+
+ if (pins & ATMEL_UART_RTS)
+ at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */
+ if (pins & ATMEL_UART_CTS)
+ at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */
}
static struct resource uart2_resources[] = {
@@ -649,8 +942,8 @@ static struct resource uart2_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US2,
- .end = AT91SAM9260_ID_US2,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US2,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US2,
.flags = IORESOURCE_IRQ,
},
};
@@ -660,21 +953,29 @@ static struct atmel_uart_data uart2_data = {
.use_dma_rx = 1,
};
+static u64 uart2_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9260_uart2_device = {
.name = "atmel_usart",
.id = 3,
.dev = {
- .platform_data = &uart2_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &uart2_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &uart2_data,
},
.resource = uart2_resources,
.num_resources = ARRAY_SIZE(uart2_resources),
};
-static inline void configure_usart2_pins(void)
+static inline void configure_usart2_pins(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */
+
+ if (pins & ATMEL_UART_RTS)
+ at91_set_A_periph(AT91_PIN_PA4, 0); /* RTS2 */
+ if (pins & ATMEL_UART_CTS)
+ at91_set_A_periph(AT91_PIN_PA5, 0); /* CTS2 */
}
static struct resource uart3_resources[] = {
@@ -684,8 +985,8 @@ static struct resource uart3_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US3,
- .end = AT91SAM9260_ID_US3,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US3,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US3,
.flags = IORESOURCE_IRQ,
},
};
@@ -695,21 +996,29 @@ static struct atmel_uart_data uart3_data = {
.use_dma_rx = 1,
};
+static u64 uart3_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9260_uart3_device = {
.name = "atmel_usart",
.id = 4,
.dev = {
- .platform_data = &uart3_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &uart3_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &uart3_data,
},
.resource = uart3_resources,
.num_resources = ARRAY_SIZE(uart3_resources),
};
-static inline void configure_usart3_pins(void)
+static inline void configure_usart3_pins(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB10, 1); /* TXD3 */
at91_set_A_periph(AT91_PIN_PB11, 0); /* RXD3 */
+
+ if (pins & ATMEL_UART_RTS)
+ at91_set_B_periph(AT91_PIN_PC8, 0); /* RTS3 */
+ if (pins & ATMEL_UART_CTS)
+ at91_set_B_periph(AT91_PIN_PC10, 0); /* CTS3 */
}
static struct resource uart4_resources[] = {
@@ -719,8 +1028,8 @@ static struct resource uart4_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US4,
- .end = AT91SAM9260_ID_US4,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US4,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US4,
.flags = IORESOURCE_IRQ,
},
};
@@ -730,12 +1039,15 @@ static struct atmel_uart_data uart4_data = {
.use_dma_rx = 1,
};
+static u64 uart4_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9260_uart4_device = {
.name = "atmel_usart",
.id = 5,
.dev = {
- .platform_data = &uart4_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &uart4_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &uart4_data,
},
.resource = uart4_resources,
.num_resources = ARRAY_SIZE(uart4_resources),
@@ -754,8 +1066,8 @@ static struct resource uart5_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9260_ID_US5,
- .end = AT91SAM9260_ID_US5,
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US5,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US5,
.flags = IORESOURCE_IRQ,
},
};
@@ -765,12 +1077,15 @@ static struct atmel_uart_data uart5_data = {
.use_dma_rx = 1,
};
+static u64 uart5_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9260_uart5_device = {
.name = "atmel_usart",
.id = 6,
.dev = {
- .platform_data = &uart5_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &uart5_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &uart5_data,
},
.resource = uart5_resources,
.num_resources = ARRAY_SIZE(uart5_resources),
@@ -782,62 +1097,50 @@ static inline void configure_usart5_pins(void)
at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */
}
-struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
-struct platform_device *atmel_default_console_device; /* the serial console device */
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
-void __init at91_init_serial(struct at91_uart_config *config)
+void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
{
- int i;
-
- /* Fill in list of supported UARTs */
- for (i = 0; i < config->nr_tty; i++) {
- switch (config->tty_map[i]) {
- case 0:
- configure_usart0_pins();
- at91_uarts[i] = &at91sam9260_uart0_device;
- at91_clock_associate("usart0_clk", &at91sam9260_uart0_device.dev, "usart");
- break;
- case 1:
- configure_usart1_pins();
- at91_uarts[i] = &at91sam9260_uart1_device;
- at91_clock_associate("usart1_clk", &at91sam9260_uart1_device.dev, "usart");
- break;
- case 2:
- configure_usart2_pins();
- at91_uarts[i] = &at91sam9260_uart2_device;
- at91_clock_associate("usart2_clk", &at91sam9260_uart2_device.dev, "usart");
- break;
- case 3:
- configure_usart3_pins();
- at91_uarts[i] = &at91sam9260_uart3_device;
- at91_clock_associate("usart3_clk", &at91sam9260_uart3_device.dev, "usart");
- break;
- case 4:
- configure_usart4_pins();
- at91_uarts[i] = &at91sam9260_uart4_device;
- at91_clock_associate("usart4_clk", &at91sam9260_uart4_device.dev, "usart");
- break;
- case 5:
- configure_usart5_pins();
- at91_uarts[i] = &at91sam9260_uart5_device;
- at91_clock_associate("usart5_clk", &at91sam9260_uart5_device.dev, "usart");
- break;
- case 6:
- configure_dbgu_pins();
- at91_uarts[i] = &at91sam9260_dbgu_device;
- at91_clock_associate("mck", &at91sam9260_dbgu_device.dev, "usart");
- break;
- default:
- continue;
- }
- at91_uarts[i]->id = i; /* update ID number to mapped ID */
+ struct platform_device *pdev;
+ struct atmel_uart_data *pdata;
+
+ switch (id) {
+ case 0: /* DBGU */
+ pdev = &at91sam9260_dbgu_device;
+ configure_dbgu_pins();
+ break;
+ case AT91SAM9260_ID_US0:
+ pdev = &at91sam9260_uart0_device;
+ configure_usart0_pins(pins);
+ break;
+ case AT91SAM9260_ID_US1:
+ pdev = &at91sam9260_uart1_device;
+ configure_usart1_pins(pins);
+ break;
+ case AT91SAM9260_ID_US2:
+ pdev = &at91sam9260_uart2_device;
+ configure_usart2_pins(pins);
+ break;
+ case AT91SAM9260_ID_US3:
+ pdev = &at91sam9260_uart3_device;
+ configure_usart3_pins(pins);
+ break;
+ case AT91SAM9260_ID_US4:
+ pdev = &at91sam9260_uart4_device;
+ configure_usart4_pins();
+ break;
+ case AT91SAM9260_ID_US5:
+ pdev = &at91sam9260_uart5_device;
+ configure_usart5_pins();
+ break;
+ default:
+ return;
}
+ pdata = pdev->dev.platform_data;
+ pdata->num = portnr; /* update to mapped ID */
- /* Set serial console device */
- if (config->console_tty < ATMEL_MAX_UART)
- atmel_default_console_device = at91_uarts[config->console_tty];
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
+ if (portnr < ATMEL_MAX_UART)
+ at91_uarts[portnr] = pdev;
}
void __init at91_add_device_serial(void)
@@ -850,10 +1153,197 @@ void __init at91_add_device_serial(void)
}
}
#else
-void __init at91_init_serial(struct at91_uart_config *config) {}
+void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
void __init at91_add_device_serial(void) {}
#endif
+/* --------------------------------------------------------------------
+ * CF/IDE
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
+ defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
+
+static struct at91_cf_data cf0_data;
+
+static struct resource cf0_resources[] = {
+ [0] = {
+ .start = AT91_CHIPSELECT_4,
+ .end = AT91_CHIPSELECT_4 + SZ_256M - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device cf0_device = {
+ .id = 0,
+ .dev = {
+ .platform_data = &cf0_data,
+ },
+ .resource = cf0_resources,
+ .num_resources = ARRAY_SIZE(cf0_resources),
+};
+
+static struct at91_cf_data cf1_data;
+
+static struct resource cf1_resources[] = {
+ [0] = {
+ .start = AT91_CHIPSELECT_5,
+ .end = AT91_CHIPSELECT_5 + SZ_256M - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device cf1_device = {
+ .id = 1,
+ .dev = {
+ .platform_data = &cf1_data,
+ },
+ .resource = cf1_resources,
+ .num_resources = ARRAY_SIZE(cf1_resources),
+};
+
+void __init at91_add_device_cf(struct at91_cf_data *data)
+{
+ struct platform_device *pdev;
+ unsigned long csa;
+
+ if (!data)
+ return;
+
+ csa = at91_matrix_read(AT91_MATRIX_EBICSA);
+
+ switch (data->chipselect) {
+ case 4:
+ at91_set_multi_drive(AT91_PIN_PC8, 0);
+ at91_set_A_periph(AT91_PIN_PC8, 0);
+ csa |= AT91_MATRIX_CS4A_SMC_CF1;
+ cf0_data = *data;
+ pdev = &cf0_device;
+ break;
+ case 5:
+ at91_set_multi_drive(AT91_PIN_PC9, 0);
+ at91_set_A_periph(AT91_PIN_PC9, 0);
+ csa |= AT91_MATRIX_CS5A_SMC_CF2;
+ cf1_data = *data;
+ pdev = &cf1_device;
+ break;
+ default:
+ printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
+ data->chipselect);
+ return;
+ }
+
+ at91_matrix_write(AT91_MATRIX_EBICSA, csa);
+
+ if (gpio_is_valid(data->rst_pin)) {
+ at91_set_multi_drive(data->rst_pin, 0);
+ at91_set_gpio_output(data->rst_pin, 1);
+ }
+
+ if (gpio_is_valid(data->irq_pin)) {
+ at91_set_gpio_input(data->irq_pin, 0);
+ at91_set_deglitch(data->irq_pin, 1);
+ }
+
+ if (gpio_is_valid(data->det_pin)) {
+ at91_set_gpio_input(data->det_pin, 0);
+ at91_set_deglitch(data->det_pin, 1);
+ }
+
+ at91_set_B_periph(AT91_PIN_PC6, 0); /* CFCE1 */
+ at91_set_B_periph(AT91_PIN_PC7, 0); /* CFCE2 */
+ at91_set_A_periph(AT91_PIN_PC10, 0); /* CFRNW */
+ at91_set_A_periph(AT91_PIN_PC15, 1); /* NWAIT */
+
+ if (IS_ENABLED(CONFIG_PATA_AT91) && (data->flags & AT91_CF_TRUE_IDE))
+ pdev->name = "pata_at91";
+ else
+ pdev->name = "at91_cf";
+
+ platform_device_register(pdev);
+}
+
+#else
+void __init at91_add_device_cf(struct at91_cf_data * data) {}
+#endif
+
+/* --------------------------------------------------------------------
+ * ADCs
+ * -------------------------------------------------------------------- */
+
+#if IS_ENABLED(CONFIG_AT91_ADC)
+static struct at91_adc_data adc_data;
+
+static struct resource adc_resources[] = {
+ [0] = {
+ .start = AT91SAM9260_BASE_ADC,
+ .end = AT91SAM9260_BASE_ADC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC,
+ .end = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91_adc_device = {
+ .name = "at91sam9260-adc",
+ .id = -1,
+ .dev = {
+ .platform_data = &adc_data,
+ },
+ .resource = adc_resources,
+ .num_resources = ARRAY_SIZE(adc_resources),
+};
+
+static struct at91_adc_trigger at91_adc_triggers[] = {
+ [0] = {
+ .name = "timer-counter-0",
+ .value = 0x1,
+ },
+ [1] = {
+ .name = "timer-counter-1",
+ .value = 0x3,
+ },
+ [2] = {
+ .name = "timer-counter-2",
+ .value = 0x5,
+ },
+ [3] = {
+ .name = "external",
+ .value = 0xd,
+ .is_external = true,
+ },
+};
+
+void __init at91_add_device_adc(struct at91_adc_data *data)
+{
+ if (!data)
+ return;
+
+ if (test_bit(0, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PC0, 0);
+ if (test_bit(1, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PC1, 0);
+ if (test_bit(2, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PC2, 0);
+ if (test_bit(3, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PC3, 0);
+
+ if (data->use_external_triggers)
+ at91_set_A_periph(AT91_PIN_PA22, 0);
+
+ data->startup_time = 10;
+ data->trigger_number = 4;
+ data->trigger_list = at91_adc_triggers;
+
+ adc_data = *data;
+ platform_device_register(&at91_adc_device);
+}
+#else
+void __init at91_add_device_adc(struct at91_adc_data *data) {}
+#endif
/* -------------------------------------------------------------------- */
/*
@@ -862,6 +1352,12 @@ void __init at91_add_device_serial(void) {}
*/
static int __init at91_add_standard_devices(void)
{
+ if (of_have_populated_dt())
+ return 0;
+
+ at91_add_device_rtt();
+ at91_add_device_watchdog();
+ at91_add_device_tc();
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 14:19:42 +0000