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+/*
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+ * ALPHAPROJECT AP-SH4A-3A Support.
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+ *
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+ * Copyright (C) 2010 ALPHAPROJECT Co.,Ltd.
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+ * Copyright (C) 2008 Yoshihiro Shimoda
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+ * Copyright (C) 2009 Paul Mundt
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+ *
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+ * This file is subject to the terms and conditions of the GNU General Public
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+ * License. See the file "COPYING" in the main directory of this archive
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+ * for more details.
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+ */
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+#include <linux/init.h>
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+#include <linux/platform_device.h>
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+#include <linux/io.h>
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+#include <linux/mtd/physmap.h>
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+#include <linux/smsc911x.h>
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+#include <linux/irq.h>
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+#include <linux/clk.h>
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+#include <asm/machvec.h>
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+#include <asm/sizes.h>
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+#include <asm/clock.h>
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+
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+static struct mtd_partition nor_flash_partitions[] = {
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+ {
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+ .name = "loader",
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+ .offset = 0x00000000,
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+ .size = 512 * 1024,
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+ },
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+ {
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+ .name = "bootenv",
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+ .offset = MTDPART_OFS_APPEND,
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+ .size = 512 * 1024,
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+ },
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+ {
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+ .name = "kernel",
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+ .offset = MTDPART_OFS_APPEND,
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+ .size = 4 * 1024 * 1024,
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+ },
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+ {
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+ .name = "data",
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+ .offset = MTDPART_OFS_APPEND,
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+ .size = MTDPART_SIZ_FULL,
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+ },
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+};
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+
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+static struct physmap_flash_data nor_flash_data = {
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+ .width = 4,
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+ .parts = nor_flash_partitions,
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+ .nr_parts = ARRAY_SIZE(nor_flash_partitions),
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+};
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+
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+static struct resource nor_flash_resources[] = {
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+ [0] = {
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+ .start = 0x00000000,
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+ .end = 0x01000000 - 1,
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+ .flags = IORESOURCE_MEM,
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+ }
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+};
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+
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+static struct platform_device nor_flash_device = {
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+ .name = "physmap-flash",
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+ .dev = {
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+ .platform_data = &nor_flash_data,
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+ },
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+ .num_resources = ARRAY_SIZE(nor_flash_resources),
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+ .resource = nor_flash_resources,
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+};
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+
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+static struct resource smsc911x_resources[] = {
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+ [0] = {
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+ .name = "smsc911x-memory",
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+ .start = 0xA4000000,
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+ .end = 0xA4000000 + SZ_256 - 1,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ [1] = {
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+ .name = "smsc911x-irq",
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+ .start = evt2irq(0x200),
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+ .end = evt2irq(0x200),
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+ .flags = IORESOURCE_IRQ,
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+ },
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+};
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+
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+static struct smsc911x_platform_config smsc911x_config = {
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+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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+ .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
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+ .flags = SMSC911X_USE_16BIT,
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+ .phy_interface = PHY_INTERFACE_MODE_MII,
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+};
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+
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+static struct platform_device smsc911x_device = {
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+ .name = "smsc911x",
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+ .id = -1,
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+ .num_resources = ARRAY_SIZE(smsc911x_resources),
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+ .resource = smsc911x_resources,
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+ .dev = {
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+ .platform_data = &smsc911x_config,
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+ },
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+};
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+
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+static struct platform_device *apsh4a3a_devices[] __initdata = {
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+ &nor_flash_device,
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+ &smsc911x_device,
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+};
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+
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+static int __init apsh4a3a_devices_setup(void)
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+{
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+ return platform_add_devices(apsh4a3a_devices,
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+ ARRAY_SIZE(apsh4a3a_devices));
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+}
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+device_initcall(apsh4a3a_devices_setup);
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+
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+static int apsh4a3a_clk_init(void)
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+{
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+ struct clk *clk;
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+ int ret;
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+
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+ clk = clk_get(NULL, "extal");
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+ if (!clk || IS_ERR(clk))
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+ return PTR_ERR(clk);
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+ ret = clk_set_rate(clk, 33333000);
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+ clk_put(clk);
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+
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+ return ret;
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+}
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+
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+/* Initialize the board */
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+static void __init apsh4a3a_setup(char **cmdline_p)
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+{
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+ printk(KERN_INFO "Alpha Project AP-SH4A-3A support:\n");
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+}
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+
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+static void __init apsh4a3a_init_irq(void)
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+{
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+ plat_irq_setup_pins(IRQ_MODE_IRQ7654);
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+}
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+
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+/* Return the board specific boot mode pin configuration */
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+static int apsh4a3a_mode_pins(void)
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+{
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+ int value = 0;
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+
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+ /* These are the factory default settings of SW1 and SW2.
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+ * If you change these dip switches then you will need to
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+ * adjust the values below as well.
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+ */
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+ value &= ~MODE_PIN0; /* Clock Mode 16 */
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+ value &= ~MODE_PIN1;
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+ value &= ~MODE_PIN2;
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+ value &= ~MODE_PIN3;
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+ value |= MODE_PIN4;
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+ value &= ~MODE_PIN5; /* 16-bit Area0 bus width */
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+ value |= MODE_PIN6; /* Area 0 SRAM interface */
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+ value |= MODE_PIN7;
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+ value |= MODE_PIN8; /* Little Endian */
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+ value |= MODE_PIN9; /* Master Mode */
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+ value |= MODE_PIN10; /* Crystal resonator */
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+ value |= MODE_PIN11; /* Display Unit */
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+ value |= MODE_PIN12;
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+ value &= ~MODE_PIN13; /* 29-bit address mode */
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+ value |= MODE_PIN14; /* No PLL step-up */
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+
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+ return value;
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+}
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+
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+/*
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+ * The Machine Vector
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+ */
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+static struct sh_machine_vector mv_apsh4a3a __initmv = {
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+ .mv_name = "AP-SH4A-3A",
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+ .mv_setup = apsh4a3a_setup,
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+ .mv_clk_init = apsh4a3a_clk_init,
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+ .mv_init_irq = apsh4a3a_init_irq,
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+ .mv_mode_pins = apsh4a3a_mode_pins,
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+};
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Paul Mundt