Initial import

1 files changed, 419 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
new file mode 100644
index 000000000..4a52590fe
--- /dev/null
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -0,0 +1,419 @@
+/*
+ * arch/sh/boards/renesas/r7780rp/setup.c
+ *
+ * Renesas Solutions Highlander Support.
+ *
+ * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
+ * Copyright (C) 2005 - 2008 Paul Mundt
+ *
+ * This contains support for the R7780RP-1, R7780MP, and R7785RP
+ * Highlander modules.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/types.h>
+#include <linux/mtd/physmap.h>
+#include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/usb/r8a66597.h>
+#include <linux/usb/m66592.h>
+#include <linux/clkdev.h>
+#include <net/ax88796.h>
+#include <asm/machvec.h>
+#include <mach/highlander.h>
+#include <asm/clock.h>
+#include <asm/heartbeat.h>
+#include <asm/io.h>
+#include <asm/io_trapped.h>
+
+static struct r8a66597_platdata r8a66597_data = {
+	.xtal = R8A66597_PLATDATA_XTAL_12MHZ,
+	.vif = 1,
+};
+
+static struct resource r8a66597_usb_host_resources[] = {
+	[0] = {
+		.start	= 0xA4200000,
+		.end	= 0xA42000FF,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_EXT1,		/* irq number */
+		.end	= IRQ_EXT1,
+		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
+	},
+};
+
+static struct platform_device r8a66597_usb_host_device = {
+	.name		= "r8a66597_hcd",
+	.id		= -1,
+	.dev = {
+		.dma_mask		= NULL,		/* don't use dma */
+		.coherent_dma_mask	= 0xffffffff,
+		.platform_data		= &r8a66597_data,
+	},
+	.num_resources	= ARRAY_SIZE(r8a66597_usb_host_resources),
+	.resource	= r8a66597_usb_host_resources,
+};
+
+static struct m66592_platdata usbf_platdata = {
+	.xtal = M66592_PLATDATA_XTAL_24MHZ,
+	.vif = 1,
+};
+
+static struct resource m66592_usb_peripheral_resources[] = {
+	[0] = {
+		.name	= "m66592_udc",
+		.start	= 0xb0000000,
+		.end	= 0xb00000FF,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.name	= "m66592_udc",
+		.start	= IRQ_EXT4,		/* irq number */
+		.end	= IRQ_EXT4,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device m66592_usb_peripheral_device = {
+	.name		= "m66592_udc",
+	.id		= -1,
+	.dev = {
+		.dma_mask		= NULL,		/* don't use dma */
+		.coherent_dma_mask	= 0xffffffff,
+		.platform_data		= &usbf_platdata,
+	},
+	.num_resources	= ARRAY_SIZE(m66592_usb_peripheral_resources),
+	.resource	= m66592_usb_peripheral_resources,
+};
+
+static struct resource cf_ide_resources[] = {
+	[0] = {
+		.start	= PA_AREA5_IO + 0x1000,
+		.end	= PA_AREA5_IO + 0x1000 + 0x08 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= PA_AREA5_IO + 0x80c,
+		.end	= PA_AREA5_IO + 0x80c + 0x16 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[2] = {
+		.start	= IRQ_CF,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct pata_platform_info pata_info = {
+	.ioport_shift	= 1,
+};
+
+static struct platform_device cf_ide_device  = {
+	.name		= "pata_platform",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(cf_ide_resources),
+	.resource	= cf_ide_resources,
+	.dev	= {
+		.platform_data	= &pata_info,
+	},
+};
+
+static struct resource heartbeat_resources[] = {
+	[0] = {
+		.start	= PA_OBLED,
+		.end	= PA_OBLED,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+#ifndef CONFIG_SH_R7785RP
+static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
+
+static struct heartbeat_data heartbeat_data = {
+	.bit_pos	= heartbeat_bit_pos,
+	.nr_bits	= ARRAY_SIZE(heartbeat_bit_pos),
+};
+#endif
+
+static struct platform_device heartbeat_device = {
+	.name		= "heartbeat",
+	.id		= -1,
+
+	/* R7785RP has a slightly more sensible FPGA.. */
+#ifndef CONFIG_SH_R7785RP
+	.dev	= {
+		.platform_data	= &heartbeat_data,
+	},
+#endif
+	.num_resources	= ARRAY_SIZE(heartbeat_resources),
+	.resource	= heartbeat_resources,
+};
+
+static struct ax_plat_data ax88796_platdata = {
+	.flags          = AXFLG_HAS_93CX6,
+	.wordlength     = 2,
+	.dcr_val        = 0x1,
+	.rcr_val        = 0x40,
+};
+
+static struct resource ax88796_resources[] = {
+	{
+#ifdef CONFIG_SH_R7780RP
+		.start  = 0xa5800400,
+		.end    = 0xa5800400 + (0x20 * 0x2) - 1,
+#else
+		.start  = 0xa4100400,
+		.end    = 0xa4100400 + (0x20 * 0x2) - 1,
+#endif
+		.flags  = IORESOURCE_MEM,
+	},
+	{
+		.start  = IRQ_AX88796,
+		.end    = IRQ_AX88796,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device ax88796_device = {
+	.name           = "ax88796",
+	.id             = 0,
+
+	.dev    = {
+		.platform_data = &ax88796_platdata,
+	},
+
+	.num_resources  = ARRAY_SIZE(ax88796_resources),
+	.resource       = ax88796_resources,
+};
+
+static struct mtd_partition nor_flash_partitions[] = {
+	{
+		.name		= "loader",
+		.offset		= 0x00000000,
+		.size		= 512 * 1024,
+	},
+	{
+		.name		= "bootenv",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 512 * 1024,
+	},
+	{
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 4 * 1024 * 1024,
+	},
+	{
+		.name		= "data",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct physmap_flash_data nor_flash_data = {
+	.width		= 4,
+	.parts		= nor_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
+};
+
+/* This config is flash board for mass production. */
+static struct resource nor_flash_resources[] = {
+	[0]	= {
+		.start	= PA_NORFLASH_ADDR,
+		.end	= PA_NORFLASH_ADDR + PA_NORFLASH_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device nor_flash_device = {
+	.name		= "physmap-flash",
+	.dev		= {
+		.platform_data	= &nor_flash_data,
+	},
+	.num_resources	= ARRAY_SIZE(nor_flash_resources),
+	.resource	= nor_flash_resources,
+};
+
+static struct resource smbus_resources[] = {
+	[0] = {
+		.start	= PA_SMCR,
+		.end	= PA_SMCR + 0x100 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_SMBUS,
+		.end	= IRQ_SMBUS,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device smbus_device = {
+	.name		= "i2c-highlander",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(smbus_resources),
+	.resource	= smbus_resources,
+};
+
+static struct i2c_board_info __initdata highlander_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("r2025sd", 0x32),
+	},
+};
+
+static struct platform_device *r7780rp_devices[] __initdata = {
+	&r8a66597_usb_host_device,
+	&m66592_usb_peripheral_device,
+	&heartbeat_device,
+	&smbus_device,
+	&nor_flash_device,
+#ifndef CONFIG_SH_R7780RP
+	&ax88796_device,
+#endif
+};
+
+/*
+ * The CF is connected using a 16-bit bus where 8-bit operations are
+ * unsupported. The linux ata driver is however using 8-bit operations, so
+ * insert a trapped io filter to convert 8-bit operations into 16-bit.
+ */
+static struct trapped_io cf_trapped_io = {
+	.resource		= cf_ide_resources,
+	.num_resources		= 2,
+	.minimum_bus_width	= 16,
+};
+
+static int __init r7780rp_devices_setup(void)
+{
+	int ret = 0;
+
+#ifndef CONFIG_SH_R7780RP
+	if (register_trapped_io(&cf_trapped_io) == 0)
+		ret |= platform_device_register(&cf_ide_device);
+#endif
+
+	ret |= platform_add_devices(r7780rp_devices,
+				    ARRAY_SIZE(r7780rp_devices));
+
+	ret |= i2c_register_board_info(0, highlander_i2c_devices,
+				       ARRAY_SIZE(highlander_i2c_devices));
+
+	return ret;
+}
+device_initcall(r7780rp_devices_setup);
+
+/*
+ * Platform specific clocks
+ */
+static int ivdr_clk_enable(struct clk *clk)
+{
+	__raw_writew(__raw_readw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
+	return 0;
+}
+
+static void ivdr_clk_disable(struct clk *clk)
+{
+	__raw_writew(__raw_readw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
+}
+
+static struct sh_clk_ops ivdr_clk_ops = {
+	.enable		= ivdr_clk_enable,
+	.disable	= ivdr_clk_disable,
+};
+
+static struct clk ivdr_clk = {
+	.ops		= &ivdr_clk_ops,
+};
+
+static struct clk *r7780rp_clocks[] = {
+	&ivdr_clk,
+};
+
+static struct clk_lookup lookups[] = {
+	/* main clocks */
+	CLKDEV_CON_ID("ivdr_clk", &ivdr_clk),
+};
+
+static void r7780rp_power_off(void)
+{
+	if (mach_is_r7780mp() || mach_is_r7785rp())
+		__raw_writew(0x0001, PA_POFF);
+}
+
+/*
+ * Initialize the board
+ */
+static void __init highlander_setup(char **cmdline_p)
+{
+	u16 ver = __raw_readw(PA_VERREG);
+	int i;
+
+	printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
+			 mach_is_r7780rp() ? "R7780RP-1" :
+			 mach_is_r7780mp() ? "R7780MP"	 :
+					     "R7785RP");
+
+	printk(KERN_INFO "Board version: %d (revision %d), "
+			 "FPGA version: %d (revision %d)\n",
+			 (ver >> 12) & 0xf, (ver >> 8) & 0xf,
+			 (ver >>  4) & 0xf, ver & 0xf);
+
+	highlander_plat_pinmux_setup();
+
+	/*
+	 * Enable the important clocks right away..
+	 */
+	for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
+		struct clk *clk = r7780rp_clocks[i];
+
+		clk_register(clk);
+		clk_enable(clk);
+	}
+
+	clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
+	__raw_writew(0x0000, PA_OBLED);	/* Clear LED. */
+
+	if (mach_is_r7780rp())
+		__raw_writew(0x0001, PA_SDPOW);	/* SD Power ON */
+
+	__raw_writew(__raw_readw(PA_IVDRCTL) | 0x01, PA_IVDRCTL);	/* Si13112 */
+
+	pm_power_off = r7780rp_power_off;
+}
+
+static unsigned char irl2irq[HL_NR_IRL];
+
+static int highlander_irq_demux(int irq)
+{
+	if (irq >= HL_NR_IRL || irq < 0 || !irl2irq[irq])
+		return irq;
+
+	return irl2irq[irq];
+}
+
+static void __init highlander_init_irq(void)
+{
+	unsigned char *ucp = highlander_plat_irq_setup();
+
+	if (ucp) {
+		plat_irq_setup_pins(IRQ_MODE_IRL3210);
+		memcpy(irl2irq, ucp, HL_NR_IRL);
+	}
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_highlander __initmv = {
+	.mv_name		= "Highlander",
+	.mv_setup		= highlander_setup,
+	.mv_init_irq		= highlander_init_irq,
+	.mv_irq_demux		= highlander_irq_demux,
+};