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Diffstat (limited to 'arch/arm/mach-at91/at91sam9rl_devices.c')
-rw-r--r--arch/arm/mach-at91/at91sam9rl_devices.c684
1 files changed, 510 insertions, 174 deletions
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index f43b5c33e45..0b1d71a7d9b 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -10,28 +10,163 @@
#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 <linux/fb.h>
#include <video/atmel_lcdc.h>
-#include <asm/arch/board.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/at91sam9rl.h>
-#include <asm/arch/at91sam9rl_matrix.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <mach/at91sam9rl.h>
+#include <mach/at91sam9rl_matrix.h>
+#include <mach/at91_matrix.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/hardware.h>
+#include <linux/platform_data/dma-atmel.h>
+#include <linux/platform_data/at91_adc.h>
+#include "board.h"
#include "generic.h"
+#include "gpio.h"
+
+
+/* --------------------------------------------------------------------
+ * HDMAC - AHB DMA Controller
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
+static u64 hdmac_dmamask = DMA_BIT_MASK(32);
+
+static struct resource hdmac_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_BASE_DMA,
+ .end = AT91SAM9RL_BASE_DMA + SZ_512 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_DMA,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_DMA,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at_hdmac_device = {
+ .name = "at91sam9rl_dma",
+ .id = -1,
+ .dev = {
+ .dma_mask = &hdmac_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = hdmac_resources,
+ .num_resources = ARRAY_SIZE(hdmac_resources),
+};
+
+void __init at91_add_device_hdmac(void)
+{
+ platform_device_register(&at_hdmac_device);
+}
+#else
+void __init at91_add_device_hdmac(void) {}
+#endif
+
+/* --------------------------------------------------------------------
+ * USB HS Device (Gadget)
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_USB_ATMEL_USBA) || defined(CONFIG_USB_ATMEL_USBA_MODULE)
+
+static struct resource usba_udc_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_UDPHS_FIFO,
+ .end = AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9RL_BASE_UDPHS,
+ .end = AT91SAM9RL_BASE_UDPHS + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_UDPHS,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_UDPHS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
+ [idx] = { \
+ .name = nam, \
+ .index = idx, \
+ .fifo_size = maxpkt, \
+ .nr_banks = maxbk, \
+ .can_dma = dma, \
+ .can_isoc = isoc, \
+ }
+
+static struct usba_ep_data usba_udc_ep[] __initdata = {
+ EP("ep0", 0, 64, 1, 0, 0),
+ EP("ep1", 1, 1024, 2, 1, 1),
+ EP("ep2", 2, 1024, 2, 1, 1),
+ EP("ep3", 3, 1024, 3, 1, 0),
+ EP("ep4", 4, 1024, 3, 1, 0),
+ EP("ep5", 5, 1024, 3, 1, 1),
+ EP("ep6", 6, 1024, 3, 1, 1),
+};
+
+#undef EP
+
+/*
+ * pdata doesn't have room for any endpoints, so we need to
+ * append room for the ones we need right after it.
+ */
+static struct {
+ struct usba_platform_data pdata;
+ struct usba_ep_data ep[7];
+} usba_udc_data;
+
+static struct platform_device at91_usba_udc_device = {
+ .name = "atmel_usba_udc",
+ .id = -1,
+ .dev = {
+ .platform_data = &usba_udc_data.pdata,
+ },
+ .resource = usba_udc_resources,
+ .num_resources = ARRAY_SIZE(usba_udc_resources),
+};
+
+void __init at91_add_device_usba(struct usba_platform_data *data)
+{
+ /*
+ * Invalid pins are 0 on AT91, but the usba driver is shared
+ * with AVR32, which use negative values instead. Once/if
+ * gpio_is_valid() is ported to AT91, revisit this code.
+ */
+ usba_udc_data.pdata.vbus_pin = -EINVAL;
+ usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
+ memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));
+
+ if (data && gpio_is_valid(data->vbus_pin)) {
+ at91_set_gpio_input(data->vbus_pin, 0);
+ at91_set_deglitch(data->vbus_pin, 1);
+ usba_udc_data.pdata.vbus_pin = data->vbus_pin;
+ }
+
+ /* Pullup pin is handled internally by USB device peripheral */
+
+ platform_device_register(&at91_usba_udc_device);
+}
+#else
+void __init at91_add_device_usba(struct usba_platform_data *data) {}
+#endif
/* --------------------------------------------------------------------
* 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] = {
@@ -40,14 +175,14 @@ static struct resource mmc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_MCI,
- .end = AT91SAM9RL_ID_MCI,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_MCI,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_MCI,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9rl_mmc_device = {
- .name = "at91_mci",
+ .name = "atmel_mci",
.id = -1,
.dev = {
.dma_mask = &mmc_dmamask,
@@ -58,40 +193,40 @@ static struct platform_device at91sam9rl_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)
{
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_PA2, 0);
-
- /* CMD */
- at91_set_A_periph(AT91_PIN_PA1, 1);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_A_periph(AT91_PIN_PA0, 1);
- if (data->wire4) {
- at91_set_A_periph(AT91_PIN_PA3, 1);
- at91_set_A_periph(AT91_PIN_PA4, 1);
- at91_set_A_periph(AT91_PIN_PA5, 1);
- }
+ if (data->slot[0].bus_width) {
+ /* input/irq */
+ if (gpio_is_valid(data->slot[0].detect_pin)) {
+ at91_set_gpio_input(data->slot[0].detect_pin, 1);
+ at91_set_deglitch(data->slot[0].detect_pin, 1);
+ }
+ if (gpio_is_valid(data->slot[0].wp_pin))
+ at91_set_gpio_input(data->slot[0].wp_pin, 1);
- mmc_data = *data;
- platform_device_register(&at91sam9rl_mmc_device);
+ /* CLK */
+ at91_set_A_periph(AT91_PIN_PA2, 0);
+
+ /* CMD */
+ at91_set_A_periph(AT91_PIN_PA1, 1);
+
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_A_periph(AT91_PIN_PA0, 1);
+ if (data->slot[0].bus_width == 4) {
+ at91_set_A_periph(AT91_PIN_PA3, 1);
+ at91_set_A_periph(AT91_PIN_PA4, 1);
+ at91_set_A_periph(AT91_PIN_PA5, 1);
+ }
+
+ mmc_data = *data;
+ platform_device_register(&at91sam9rl_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
@@ -99,21 +234,26 @@ 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_256M - 1,
.flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9RL_BASE_ECC,
+ .end = AT91SAM9RL_BASE_ECC + SZ_512 - 1,
+ .flags = IORESOURCE_MEM,
}
};
-static struct platform_device at91_nand_device = {
- .name = "at91_nand",
+static struct platform_device atmel_nand_device = {
+ .name = "atmel_nand",
.id = -1,
.dev = {
.platform_data = &nand_data,
@@ -122,48 +262,37 @@ static struct platform_device at91_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;
if (!data)
return;
- csa = at91_sys_read(AT91_MATRIX_EBICSA);
- at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
-
- /* 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_(2) | AT91_SMC_NCS_WRPULSE_(5)
- | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
-
- at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
-
- at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1));
+ 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);
at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */
at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */
nand_data = *data;
- platform_device_register(&at91_nand_device);
+ platform_device_register(&atmel_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
@@ -188,7 +317,7 @@ static struct i2c_gpio_platform_data pdata = {
static struct platform_device at91sam9rl_twi_device = {
.name = "i2c-gpio",
- .id = -1,
+ .id = 0,
.dev.platform_data = &pdata,
};
@@ -213,15 +342,15 @@ static struct resource twi_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_TWI0,
- .end = AT91SAM9RL_ID_TWI0,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_TWI0,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_TWI0,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9rl_twi_device = {
- .name = "at91_i2c",
- .id = -1,
+ .name = "i2c-at91sam9g20",
+ .id = 0,
.resource = twi_resources,
.num_resources = ARRAY_SIZE(twi_resources),
};
@@ -257,8 +386,8 @@ static struct resource spi_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_SPI,
- .end = AT91SAM9RL_ID_SPI,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_SPI,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_SPI,
.flags = IORESOURCE_IRQ,
},
};
@@ -293,6 +422,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
else
cs_pin = spi_standard_cs[devices[i].chip_select];
+ if (!gpio_is_valid(cs_pin))
+ continue;
+
/* enable chip-select pin */
at91_set_gpio_output(cs_pin, 1);
@@ -309,12 +441,67 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
/* --------------------------------------------------------------------
+ * AC97
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE)
+static u64 ac97_dmamask = DMA_BIT_MASK(32);
+static struct ac97c_platform_data ac97_data;
+
+static struct resource ac97_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_BASE_AC97C,
+ .end = AT91SAM9RL_BASE_AC97C + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_AC97C,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_AC97C,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9rl_ac97_device = {
+ .name = "atmel_ac97c",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ac97_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &ac97_data,
+ },
+ .resource = ac97_resources,
+ .num_resources = ARRAY_SIZE(ac97_resources),
+};
+
+void __init at91_add_device_ac97(struct ac97c_platform_data *data)
+{
+ if (!data)
+ return;
+
+ at91_set_A_periph(AT91_PIN_PD1, 0); /* AC97FS */
+ at91_set_A_periph(AT91_PIN_PD2, 0); /* AC97CK */
+ at91_set_A_periph(AT91_PIN_PD3, 0); /* AC97TX */
+ at91_set_A_periph(AT91_PIN_PD4, 0); /* AC97RX */
+
+ /* reset */
+ if (gpio_is_valid(data->reset_pin))
+ at91_set_gpio_output(data->reset_pin, 0);
+
+ ac97_data = *data;
+ platform_device_register(&at91sam9rl_ac97_device);
+}
+#else
+void __init at91_add_device_ac97(struct ac97c_platform_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* LCD Controller
* -------------------------------------------------------------------- */
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
static u64 lcdc_dmamask = DMA_BIT_MASK(32);
-static struct atmel_lcdfb_info lcdc_data;
+static struct atmel_lcdfb_pdata lcdc_data;
static struct resource lcdc_resources[] = {
[0] = {
@@ -323,21 +510,14 @@ static struct resource lcdc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_LCDC,
- .end = AT91SAM9RL_ID_LCDC,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_LCDC,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_LCDC,
.flags = IORESOURCE_IRQ,
},
-#if defined(CONFIG_FB_INTSRAM)
- [2] = {
- .start = AT91SAM9RL_SRAM_BASE,
- .end = AT91SAM9RL_SRAM_BASE + AT91SAM9RL_SRAM_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
-#endif
};
static struct platform_device at91_lcdc_device = {
- .name = "atmel_lcdfb",
+ .name = "at91sam9rl-lcdfb",
.id = 0,
.dev = {
.dma_mask = &lcdc_dmamask,
@@ -348,7 +528,7 @@ static struct platform_device at91_lcdc_device = {
.num_resources = ARRAY_SIZE(lcdc_resources),
};
-void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
+void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data)
{
if (!data) {
return;
@@ -380,11 +560,141 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
platform_device_register(&at91_lcdc_device);
}
#else
-void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
+void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {}
#endif
/* --------------------------------------------------------------------
+ * Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_BASE_TCB0,
+ .end = AT91SAM9RL_BASE_TCB0 + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_TC0,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_TC0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_TC1,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_TC1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_TC2,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_TC2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9rl_tcb_device = {
+ .name = "atmel_tcb",
+ .id = 0,
+ .resource = tcb_resources,
+ .num_resources = ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+ platform_device_register(&at91sam9rl_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
+ * ADC and Touchscreen
+ * -------------------------------------------------------------------- */
+
+#if IS_ENABLED(CONFIG_AT91_ADC)
+static struct at91_adc_data adc_data;
+
+static struct resource adc_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_BASE_TSC,
+ .end = AT91SAM9RL_BASE_TSC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_TSC,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_TSC,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device at91_adc_device = {
+ .name = "at91sam9rl-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 = "external-rising",
+ .value = 1,
+ .is_external = true,
+ },
+ [1] = {
+ .name = "external-falling",
+ .value = 2,
+ .is_external = true,
+ },
+ [2] = {
+ .name = "external-any",
+ .value = 3,
+ .is_external = true,
+ },
+ [3] = {
+ .name = "continuous",
+ .value = 6,
+ .is_external = false,
+ },
+};
+
+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_PA17, 0);
+ if (test_bit(1, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PA18, 0);
+ if (test_bit(2, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PA19, 0);
+ if (test_bit(3, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PA20, 0);
+ if (test_bit(4, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PD6, 0);
+ if (test_bit(5, &data->channels_used))
+ at91_set_A_periph(AT91_PIN_PD7, 0);
+
+ if (data->use_external_triggers)
+ at91_set_A_periph(AT91_PIN_PB15, 0);
+
+ data->startup_time = 40;
+ 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
+
+/* --------------------------------------------------------------------
* RTC
* -------------------------------------------------------------------- */
@@ -410,21 +720,48 @@ static void __init at91_add_device_rtc(void) {}
static struct resource rtt_resources[] = {
{
- .start = AT91_BASE_SYS + AT91_RTT,
- .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1,
+ .start = AT91SAM9RL_BASE_RTT,
+ .end = AT91SAM9RL_BASE_RTT + SZ_16 - 1,
.flags = IORESOURCE_MEM,
+ }, {
+ .flags = IORESOURCE_MEM,
+ }, {
+ .flags = IORESOURCE_IRQ,
}
};
static struct platform_device at91sam9rl_rtt_device = {
.name = "at91_rtt",
- .id = -1,
+ .id = 0,
.resource = rtt_resources,
- .num_resources = ARRAY_SIZE(rtt_resources),
};
+#if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
+static void __init at91_add_device_rtt_rtc(void)
+{
+ at91sam9rl_rtt_device.name = "rtc-at91sam9";
+ /*
+ * The second resource is needed:
+ * GPBR will serve as the storage for RTC time offset
+ */
+ at91sam9rl_rtt_device.num_resources = 3;
+ rtt_resources[1].start = AT91SAM9RL_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 */
+ at91sam9rl_rtt_device.num_resources = 1;
+}
+#endif
+
static void __init at91_add_device_rtt(void)
{
+ at91_add_device_rtt_rtc();
platform_device_register(&at91sam9rl_rtt_device);
}
@@ -433,11 +770,20 @@ static void __init at91_add_device_rtt(void)
* Watchdog
* -------------------------------------------------------------------- */
-#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
+#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
+static struct resource wdt_resources[] = {
+ {
+ .start = AT91SAM9RL_BASE_WDT,
+ .end = AT91SAM9RL_BASE_WDT + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
static struct platform_device at91sam9rl_wdt_device = {
.name = "at91_wdt",
.id = -1,
- .num_resources = 0,
+ .resource = wdt_resources,
+ .num_resources = ARRAY_SIZE(wdt_resources),
};
static void __init at91_add_device_watchdog(void)
@@ -450,6 +796,59 @@ static void __init at91_add_device_watchdog(void) {}
/* --------------------------------------------------------------------
+ * PWM
+ * --------------------------------------------------------------------*/
+
+#if defined(CONFIG_ATMEL_PWM)
+static u32 pwm_mask;
+
+static struct resource pwm_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_BASE_PWMC,
+ .end = AT91SAM9RL_BASE_PWMC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_PWMC,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_PWMC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9rl_pwm0_device = {
+ .name = "atmel_pwm",
+ .id = -1,
+ .dev = {
+ .platform_data = &pwm_mask,
+ },
+ .resource = pwm_resources,
+ .num_resources = ARRAY_SIZE(pwm_resources),
+};
+
+void __init at91_add_device_pwm(u32 mask)
+{
+ if (mask & (1 << AT91_PWM0))
+ at91_set_B_periph(AT91_PIN_PB8, 1); /* enable PWM0 */
+
+ if (mask & (1 << AT91_PWM1))
+ at91_set_B_periph(AT91_PIN_PB9, 1); /* enable PWM1 */
+
+ if (mask & (1 << AT91_PWM2))
+ at91_set_B_periph(AT91_PIN_PD5, 1); /* enable PWM2 */
+
+ if (mask & (1 << AT91_PWM3))
+ at91_set_B_periph(AT91_PIN_PD8, 1); /* enable PWM3 */
+
+ pwm_mask = mask;
+
+ platform_device_register(&at91sam9rl_pwm0_device);
+}
+#else
+void __init at91_add_device_pwm(u32 mask) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
@@ -463,14 +862,14 @@ static struct resource ssc0_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_SSC0,
- .end = AT91SAM9RL_ID_SSC0,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_SSC0,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_SSC0,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9rl_ssc0_device = {
- .name = "ssc",
+ .name = "at91rm9200_ssc",
.id = 0,
.dev = {
.dma_mask = &ssc0_dmamask,
@@ -505,14 +904,14 @@ static struct resource ssc1_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_SSC1,
- .end = AT91SAM9RL_ID_SSC1,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_SSC1,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_SSC1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9rl_ssc1_device = {
- .name = "ssc",
+ .name = "at91rm9200_ssc",
.id = 1,
.dev = {
.dma_mask = &ssc1_dmamask,
@@ -539,9 +938,6 @@ static inline void configure_ssc1_pins(unsigned pins)
}
/*
- * Return the device node so that board init code can use it as the
- * parent for the device node reflecting how it's used on this board.
- *
* 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
@@ -559,12 +955,10 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins)
case AT91SAM9RL_ID_SSC0:
pdev = &at91sam9rl_ssc0_device;
configure_ssc0_pins(pins);
- at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
break;
case AT91SAM9RL_ID_SSC1:
pdev = &at91sam9rl_ssc1_device;
configure_ssc1_pins(pins);
- at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
break;
default:
return;
@@ -585,13 +979,13 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
#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 = AT91SAM9RL_BASE_DBGU,
+ .end = AT91SAM9RL_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,
},
};
@@ -599,7 +993,6 @@ 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);
@@ -629,8 +1022,8 @@ static struct resource uart0_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_US0,
- .end = AT91SAM9RL_ID_US0,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_US0,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_US0,
.flags = IORESOURCE_IRQ,
},
};
@@ -680,8 +1073,8 @@ static struct resource uart1_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_US1,
- .end = AT91SAM9RL_ID_US1,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_US1,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_US1,
.flags = IORESOURCE_IRQ,
},
};
@@ -723,8 +1116,8 @@ static struct resource uart2_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_US2,
- .end = AT91SAM9RL_ID_US2,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_US2,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_US2,
.flags = IORESOURCE_IRQ,
},
};
@@ -766,8 +1159,8 @@ static struct resource uart3_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9RL_ID_US3,
- .end = AT91SAM9RL_ID_US3,
+ .start = NR_IRQS_LEGACY + AT91SAM9RL_ID_US3,
+ .end = NR_IRQS_LEGACY + AT91SAM9RL_ID_US3,
.flags = IORESOURCE_IRQ,
},
};
@@ -802,101 +1195,44 @@ static inline void configure_usart3_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PD3, 0); /* CTS3 */
}
-static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
-struct platform_device *atmel_default_console_device; /* the serial console device */
-
-void __init __deprecated at91_init_serial(struct at91_uart_config *config)
-{
- 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(ATMEL_UART_CTS | ATMEL_UART_RTS);
- at91_uarts[i] = &at91sam9rl_uart0_device;
- at91_clock_associate("usart0_clk", &at91sam9rl_uart0_device.dev, "usart");
- break;
- case 1:
- configure_usart1_pins(0);
- at91_uarts[i] = &at91sam9rl_uart1_device;
- at91_clock_associate("usart1_clk", &at91sam9rl_uart1_device.dev, "usart");
- break;
- case 2:
- configure_usart2_pins(0);
- at91_uarts[i] = &at91sam9rl_uart2_device;
- at91_clock_associate("usart2_clk", &at91sam9rl_uart2_device.dev, "usart");
- break;
- case 3:
- configure_usart3_pins(0);
- at91_uarts[i] = &at91sam9rl_uart3_device;
- at91_clock_associate("usart3_clk", &at91sam9rl_uart3_device.dev, "usart");
- break;
- case 4:
- configure_dbgu_pins();
- at91_uarts[i] = &at91sam9rl_dbgu_device;
- at91_clock_associate("mck", &at91sam9rl_dbgu_device.dev, "usart");
- break;
- default:
- continue;
- }
- at91_uarts[i]->id = i; /* update ID number 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");
-}
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
{
struct platform_device *pdev;
+ struct atmel_uart_data *pdata;
switch (id) {
case 0: /* DBGU */
pdev = &at91sam9rl_dbgu_device;
configure_dbgu_pins();
- at91_clock_associate("mck", &pdev->dev, "usart");
break;
case AT91SAM9RL_ID_US0:
pdev = &at91sam9rl_uart0_device;
configure_usart0_pins(pins);
- at91_clock_associate("usart0_clk", &pdev->dev, "usart");
break;
case AT91SAM9RL_ID_US1:
pdev = &at91sam9rl_uart1_device;
configure_usart1_pins(pins);
- at91_clock_associate("usart1_clk", &pdev->dev, "usart");
break;
case AT91SAM9RL_ID_US2:
pdev = &at91sam9rl_uart2_device;
configure_usart2_pins(pins);
- at91_clock_associate("usart2_clk", &pdev->dev, "usart");
break;
case AT91SAM9RL_ID_US3:
pdev = &at91sam9rl_uart3_device;
configure_usart3_pins(pins);
- at91_clock_associate("usart3_clk", &pdev->dev, "usart");
break;
default:
return;
}
- pdev->id = portnr; /* update to mapped ID */
+ pdata = pdev->dev.platform_data;
+ pdata->num = portnr; /* update to mapped ID */
if (portnr < ATMEL_MAX_UART)
at91_uarts[portnr] = pdev;
}
-void __init at91_set_serial_console(unsigned portnr)
-{
- if (portnr < ATMEL_MAX_UART)
- atmel_default_console_device = at91_uarts[portnr];
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
-}
-
void __init at91_add_device_serial(void)
{
int i;
@@ -907,9 +1243,7 @@ void __init at91_add_device_serial(void)
}
}
#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
@@ -922,9 +1256,11 @@ void __init at91_add_device_serial(void) {}
*/
static int __init at91_add_standard_devices(void)
{
+ at91_add_device_hdmac();
at91_add_device_rtc();
at91_add_device_rtt();
at91_add_device_watchdog();
+ at91_add_device_tc();
return 0;
}