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authorPaul Mundt <lethal@linux-sh.org>2008-07-29 16:01:19 +0400
committerPaul Mundt <lethal@linux-sh.org>2008-07-29 16:01:19 +0400
commitda2014a2b080e7f3024a4eb6917d47069ad9620b (patch)
treecfde12c6d4b5baa222966b14a676f107992cf786 /arch/sh/boards/mach-r2d/setup.c
parent71b8064e7df5698520d73b4c1566a3dbc98eb9ef (diff)
downloadlinux-da2014a2b080e7f3024a4eb6917d47069ad9620b.tar.xz
sh: Shuffle the board directories in to mach groups.
This flattens out the board directories in to individual mach groups, we will use this for getting rid of unneeded directories, simplifying the build system, and becoming more coherent with the refactored arch/sh/include topology. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/mach-r2d/setup.c')
-rw-r--r--arch/sh/boards/mach-r2d/setup.c258
1 files changed, 258 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-r2d/setup.c b/arch/sh/boards/mach-r2d/setup.c
new file mode 100644
index 000000000000..2308e8753bcd
--- /dev/null
+++ b/arch/sh/boards/mach-r2d/setup.c
@@ -0,0 +1,258 @@
+/*
+ * Renesas Technology Sales RTS7751R2D Support.
+ *
+ * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd.
+ * Copyright (C) 2004 - 2007 Paul Mundt
+ *
+ * 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/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/sm501.h>
+#include <linux/sm501-regs.h>
+#include <linux/pm.h>
+#include <linux/fb.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include <asm/machvec.h>
+#include <asm/rts7751r2d.h>
+#include <asm/io.h>
+#include <asm/io_trapped.h>
+#include <asm/spi.h>
+
+static struct resource cf_ide_resources[] = {
+ [0] = {
+ .start = PA_AREA5_IO + 0x1000,
+ .end = PA_AREA5_IO + 0x1000 + 0x10 - 0x2,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = PA_AREA5_IO + 0x80c,
+ .end = PA_AREA5_IO + 0x80c,
+ .flags = IORESOURCE_MEM,
+ },
+#ifndef CONFIG_RTS7751R2D_1 /* For R2D-1 polling is preferred */
+ [2] = {
+ .start = IRQ_CF_IDE,
+ .flags = IORESOURCE_IRQ,
+ },
+#endif
+};
+
+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 spi_board_info spi_bus[] = {
+ {
+ .modalias = "rtc-r9701",
+ .max_speed_hz = 1000000,
+ .mode = SPI_MODE_3,
+ },
+};
+
+static void r2d_chip_select(struct sh_spi_info *spi, int cs, int state)
+{
+ BUG_ON(cs != 0); /* Single Epson RTC-9701JE attached on CS0 */
+ ctrl_outw(state == BITBANG_CS_ACTIVE, PA_RTCCE);
+}
+
+static struct sh_spi_info spi_info = {
+ .num_chipselect = 1,
+ .chip_select = r2d_chip_select,
+};
+
+static struct resource spi_sh_sci_resources[] = {
+ {
+ .start = 0xffe00000,
+ .end = 0xffe0001f,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device spi_sh_sci_device = {
+ .name = "spi_sh_sci",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(spi_sh_sci_resources),
+ .resource = spi_sh_sci_resources,
+ .dev = {
+ .platform_data = &spi_info,
+ },
+};
+
+static struct resource heartbeat_resources[] = {
+ [0] = {
+ .start = PA_OUTPORT,
+ .end = PA_OUTPORT,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device heartbeat_device = {
+ .name = "heartbeat",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(heartbeat_resources),
+ .resource = heartbeat_resources,
+};
+
+static struct resource sm501_resources[] = {
+ [0] = {
+ .start = 0x10000000,
+ .end = 0x13e00000 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 0x13e00000,
+ .end = 0x13ffffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = IRQ_VOYAGER,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct fb_videomode sm501_default_mode = {
+ .pixclock = 35714,
+ .xres = 640,
+ .yres = 480,
+ .left_margin = 105,
+ .right_margin = 50,
+ .upper_margin = 35,
+ .lower_margin = 0,
+ .hsync_len = 96,
+ .vsync_len = 2,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl = {
+ .def_bpp = 16,
+ .def_mode = &sm501_default_mode,
+ .flags = SM501FB_FLAG_USE_INIT_MODE |
+ SM501FB_FLAG_USE_HWCURSOR |
+ SM501FB_FLAG_USE_HWACCEL |
+ SM501FB_FLAG_DISABLE_AT_EXIT,
+};
+
+static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt = {
+ .flags = (SM501FB_FLAG_USE_INIT_MODE |
+ SM501FB_FLAG_USE_HWCURSOR |
+ SM501FB_FLAG_USE_HWACCEL |
+ SM501FB_FLAG_DISABLE_AT_EXIT),
+
+};
+
+static struct sm501_platdata_fb sm501_fb_pdata = {
+ .fb_route = SM501_FB_OWN,
+ .fb_crt = &sm501_pdata_fbsub_crt,
+ .fb_pnl = &sm501_pdata_fbsub_pnl,
+ .flags = SM501_FBPD_SWAP_FB_ENDIAN,
+};
+
+static struct sm501_initdata sm501_initdata = {
+ .devices = SM501_USE_USB_HOST | SM501_USE_UART0,
+};
+
+static struct sm501_platdata sm501_platform_data = {
+ .init = &sm501_initdata,
+ .fb = &sm501_fb_pdata,
+};
+
+static struct platform_device sm501_device = {
+ .name = "sm501",
+ .id = -1,
+ .dev = {
+ .platform_data = &sm501_platform_data,
+ },
+ .num_resources = ARRAY_SIZE(sm501_resources),
+ .resource = sm501_resources,
+};
+
+static struct platform_device *rts7751r2d_devices[] __initdata = {
+ &sm501_device,
+ &heartbeat_device,
+ &spi_sh_sci_device,
+};
+
+/*
+ * The CF is connected with 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 rts7751r2d_devices_setup(void)
+{
+ if (register_trapped_io(&cf_trapped_io) == 0)
+ platform_device_register(&cf_ide_device);
+
+ spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus));
+
+ return platform_add_devices(rts7751r2d_devices,
+ ARRAY_SIZE(rts7751r2d_devices));
+}
+__initcall(rts7751r2d_devices_setup);
+
+static void rts7751r2d_power_off(void)
+{
+ ctrl_outw(0x0001, PA_POWOFF);
+}
+
+/*
+ * Initialize the board
+ */
+static void __init rts7751r2d_setup(char **cmdline_p)
+{
+ void __iomem *sm501_reg;
+ u16 ver = ctrl_inw(PA_VERREG);
+
+ printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
+
+ printk(KERN_INFO "FPGA version:%d (revision:%d)\n",
+ (ver >> 4) & 0xf, ver & 0xf);
+
+ ctrl_outw(0x0000, PA_OUTPORT);
+ pm_power_off = rts7751r2d_power_off;
+
+ /* sm501 dram configuration:
+ * ColSizeX = 11 - External Memory Column Size: 256 words.
+ * APX = 1 - External Memory Active to Pre-Charge Delay: 7 clocks.
+ * RstX = 1 - External Memory Reset: Normal.
+ * Rfsh = 1 - Local Memory Refresh to Command Delay: 12 clocks.
+ * BwC = 1 - Local Memory Block Write Cycle Time: 2 clocks.
+ * BwP = 1 - Local Memory Block Write to Pre-Charge Delay: 1 clock.
+ * AP = 1 - Internal Memory Active to Pre-Charge Delay: 7 clocks.
+ * Rst = 1 - Internal Memory Reset: Normal.
+ * RA = 1 - Internal Memory Remain in Active State: Do not remain.
+ */
+
+ sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL;
+ writel(readl(sm501_reg) | 0x00f107c0, sm501_reg);
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_rts7751r2d __initmv = {
+ .mv_name = "RTS7751R2D",
+ .mv_setup = rts7751r2d_setup,
+ .mv_init_irq = init_rts7751r2d_IRQ,
+ .mv_irq_demux = rts7751r2d_irq_demux,
+};