ARM: shmobile: koelsch legacy: Add QSPI support (bcca4e8e) · Commits · 戴 / test

arch/arm/mach-shmobile/board-koelsch.c

+64 −0

Original line number	Diff line number	Diff line
		@@ -26,12 +26,17 @@
		#include <linux/irq.h>
		#include <linux/kernel.h>
		#include <linux/leds.h>
		#include <linux/mtd/mtd.h>
		#include <linux/mtd/partitions.h>
		#include <linux/phy.h>
		#include <linux/pinctrl/machine.h>
		#include <linux/platform_data/gpio-rcar.h>
		#include <linux/platform_data/rcar-du.h>
		#include <linux/platform_device.h>
		#include <linux/sh_eth.h>
		#include <linux/spi/flash.h>
		#include <linux/spi/rspi.h>
		#include <linux/spi/spi.h>
		#include <mach/common.h>
		#include <mach/irqs.h>
		#include <mach/r8a7791.h>
		@@ -150,6 +155,55 @@ static const struct gpio_keys_platform_data koelsch_keys_pdata __initconst = {
		.nbuttons = ARRAY_SIZE(gpio_buttons),
		};

		/* QSPI */
		static const struct resource qspi_resources[] __initconst = {
		DEFINE_RES_MEM(0xe6b10000, 0x1000),
		DEFINE_RES_IRQ_NAMED(gic_spi(184), "mux"),
		};

		static const struct rspi_plat_data qspi_pdata __initconst = {
		.num_chipselect = 1,
		};

		/* SPI Flash memory (Spansion S25FL512SAGMFIG11 64 MiB) */
		static struct mtd_partition spi_flash_part[] = {
		{
		.name = "loader",
		.offset = 0x00000000,
		.size = 512 * 1024,
		.mask_flags = MTD_WRITEABLE,
		},
		{
		.name = "bootenv",
		.offset = MTDPART_OFS_APPEND,
		.size = 512 * 1024,
		.mask_flags = MTD_WRITEABLE,
		},
		{
		.name = "data",
		.offset = MTDPART_OFS_APPEND,
		.size = MTDPART_SIZ_FULL,
		},
		};

		static const struct flash_platform_data spi_flash_data = {
		.name = "m25p80",
		.parts = spi_flash_part,
		.nr_parts = ARRAY_SIZE(spi_flash_part),
		.type = "s25fl512s",
		};

		static const struct spi_board_info spi_info[] __initconst = {
		{
		.modalias = "m25p80",
		.platform_data = &spi_flash_data,
		.mode = SPI_MODE_0,
		.max_speed_hz = 30000000,
		.bus_num = 0,
		.chip_select = 0,
		},
		};

		/* SATA0 */
		static const struct resource sata0_resources[] __initconst = {
		DEFINE_RES_MEM(0xee300000, 0x2000),
		@@ -214,6 +268,11 @@ static const struct pinctrl_map koelsch_pinctrl_map[] = {
		"eth_rmii", "eth"),
		PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
		"intc_irq0", "intc"),
		/* QSPI */
		PIN_MAP_MUX_GROUP_DEFAULT("qspi.0", "pfc-r8a7791",
		"qspi_ctrl", "qspi"),
		PIN_MAP_MUX_GROUP_DEFAULT("qspi.0", "pfc-r8a7791",
		"qspi_data4", "qspi"),
		/* SCIF0 (CN19: DEBUG SERIAL0) */
		PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7791",
		"scif0_data_d", "scif0"),
		@@ -248,6 +307,11 @@ static void __init koelsch_add_standard_devices(void)
		platform_device_register_data(&platform_bus, "gpio-keys", -1,
		&koelsch_keys_pdata,
		sizeof(koelsch_keys_pdata));
		platform_device_register_resndata(&platform_bus, "qspi", 0,
		qspi_resources,
		ARRAY_SIZE(qspi_resources),
		&qspi_pdata, sizeof(qspi_pdata));
		spi_register_board_info(spi_info, ARRAY_SIZE(spi_info));

		koelsch_add_du_device();

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