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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/sh/boards/mach-highlander/setup.c
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diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
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+/*
+ * 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,
+};