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Diffstat (limited to 'arch/arm/mach-sa1100/collie.c')
-rw-r--r--arch/arm/mach-sa1100/collie.c437
1 files changed, 437 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
new file mode 100644
index 000000000..3cc2b71e1
--- /dev/null
+++ b/arch/arm/mach-sa1100/collie.c
@@ -0,0 +1,437 @@
+/*
+ * linux/arch/arm/mach-sa1100/collie.c
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ *
+ * This file contains all Collie-specific tweaks.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * ChangeLog:
+ * 2006 Pavel Machek <pavel@ucw.cz>
+ * 03-06-2004 John Lenz <lenz@cs.wisc.edu>
+ * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
+ * 04-16-2001 Lineo Japan,Inc. ...
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/tty.h>
+#include <linux/delay.h>
+#include <linux/platform_data/sa11x0-serial.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/ucb1x00.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/timer.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/gpio.h>
+#include <linux/power/gpio-charger.h>
+
+#include <video/sa1100fb.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+#include <mach/collie.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+#include <linux/platform_data/irda-sa11x0.h>
+
+#include <asm/hardware/scoop.h>
+#include <asm/mach/sharpsl_param.h>
+#include <asm/hardware/locomo.h>
+#include <linux/platform_data/mfd-mcp-sa11x0.h>
+#include <mach/irqs.h>
+
+#include "generic.h"
+
+static struct resource collie_scoop_resources[] = {
+ [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
+};
+
+static struct scoop_config collie_scoop_setup = {
+ .io_dir = COLLIE_SCOOP_IO_DIR,
+ .io_out = COLLIE_SCOOP_IO_OUT,
+ .gpio_base = COLLIE_SCOOP_GPIO_BASE,
+};
+
+struct platform_device colliescoop_device = {
+ .name = "sharp-scoop",
+ .id = -1,
+ .dev = {
+ .platform_data = &collie_scoop_setup,
+ },
+ .num_resources = ARRAY_SIZE(collie_scoop_resources),
+ .resource = collie_scoop_resources,
+};
+
+static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
+ {
+ .dev = &colliescoop_device.dev,
+ .irq = COLLIE_IRQ_GPIO_CF_IRQ,
+ .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
+ .cd_irq_str = "PCMCIA0 CD",
+ },
+};
+
+static struct scoop_pcmcia_config collie_pcmcia_config = {
+ .devs = &collie_pcmcia_scoop[0],
+ .num_devs = 1,
+};
+
+static struct ucb1x00_plat_data collie_ucb1x00_data = {
+ .gpio_base = COLLIE_TC35143_GPIO_BASE,
+};
+
+static struct mcp_plat_data collie_mcp_data = {
+ .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
+ .sclk_rate = 9216000,
+ .codec_pdata = &collie_ucb1x00_data,
+};
+
+static int collie_ir_startup(struct device *dev)
+{
+ int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA");
+ if (rc)
+ return rc;
+ rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1);
+
+ if (!rc)
+ return 0;
+
+ gpio_free(COLLIE_GPIO_IR_ON);
+ return rc;
+}
+
+static void collie_ir_shutdown(struct device *dev)
+{
+ gpio_free(COLLIE_GPIO_IR_ON);
+}
+
+static int collie_ir_set_power(struct device *dev, unsigned int state)
+{
+ gpio_set_value(COLLIE_GPIO_IR_ON, !state);
+ return 0;
+}
+
+static struct irda_platform_data collie_ir_data = {
+ .startup = collie_ir_startup,
+ .shutdown = collie_ir_shutdown,
+ .set_power = collie_ir_set_power,
+};
+
+/*
+ * Collie AC IN
+ */
+static char *collie_ac_supplied_to[] = {
+ "main-battery",
+ "backup-battery",
+};
+
+
+static struct gpio_charger_platform_data collie_power_data = {
+ .name = "charger",
+ .type = POWER_SUPPLY_TYPE_MAINS,
+ .gpio = COLLIE_GPIO_AC_IN,
+ .supplied_to = collie_ac_supplied_to,
+ .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
+};
+
+static struct platform_device collie_power_device = {
+ .name = "gpio-charger",
+ .id = -1,
+ .dev.platform_data = &collie_power_data,
+};
+
+#ifdef CONFIG_SHARP_LOCOMO
+/*
+ * low-level UART features.
+ */
+struct platform_device collie_locomo_device;
+
+static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
+{
+ if (mctrl & TIOCM_RTS)
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
+ else
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
+
+ if (mctrl & TIOCM_DTR)
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
+ else
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
+}
+
+static u_int collie_uart_get_mctrl(struct uart_port *port)
+{
+ int ret = TIOCM_CD;
+ unsigned int r;
+
+ r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
+ if (r == -ENODEV)
+ return ret;
+ if (r & LOCOMO_GPIO_CTS)
+ ret |= TIOCM_CTS;
+ if (r & LOCOMO_GPIO_DSR)
+ ret |= TIOCM_DSR;
+
+ return ret;
+}
+
+static struct sa1100_port_fns collie_port_fns __initdata = {
+ .set_mctrl = collie_uart_set_mctrl,
+ .get_mctrl = collie_uart_get_mctrl,
+};
+
+static int collie_uart_probe(struct locomo_dev *dev)
+{
+ return 0;
+}
+
+static int collie_uart_remove(struct locomo_dev *dev)
+{
+ return 0;
+}
+
+static struct locomo_driver collie_uart_driver = {
+ .drv = {
+ .name = "collie_uart",
+ },
+ .devid = LOCOMO_DEVID_UART,
+ .probe = collie_uart_probe,
+ .remove = collie_uart_remove,
+};
+
+static int __init collie_uart_init(void)
+{
+ return locomo_driver_register(&collie_uart_driver);
+}
+device_initcall(collie_uart_init);
+
+#endif
+
+
+static struct resource locomo_resources[] = {
+ [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
+ [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
+};
+
+static struct locomo_platform_data locomo_info = {
+ .irq_base = IRQ_BOARD_START,
+};
+
+struct platform_device collie_locomo_device = {
+ .name = "locomo",
+ .id = 0,
+ .dev = {
+ .platform_data = &locomo_info,
+ },
+ .num_resources = ARRAY_SIZE(locomo_resources),
+ .resource = locomo_resources,
+};
+
+static struct gpio_keys_button collie_gpio_keys[] = {
+ {
+ .type = EV_PWR,
+ .code = KEY_RESERVED,
+ .gpio = COLLIE_GPIO_ON_KEY,
+ .desc = "On key",
+ .wakeup = 1,
+ .active_low = 1,
+ },
+ {
+ .type = EV_PWR,
+ .code = KEY_WAKEUP,
+ .gpio = COLLIE_GPIO_WAKEUP,
+ .desc = "Sync",
+ .wakeup = 1,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_platform_data collie_gpio_keys_data = {
+ .buttons = collie_gpio_keys,
+ .nbuttons = ARRAY_SIZE(collie_gpio_keys),
+};
+
+static struct platform_device collie_gpio_keys_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &collie_gpio_keys_data,
+ },
+};
+
+static struct platform_device *devices[] __initdata = {
+ &collie_locomo_device,
+ &colliescoop_device,
+ &collie_power_device,
+ &collie_gpio_keys_device,
+};
+
+static struct mtd_partition collie_partitions[] = {
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = 0x000C0000,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x00100000,
+ }, {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x00e20000,
+ }, {
+ .name = "bootblock",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x00020000,
+ .mask_flags = MTD_WRITEABLE
+ }
+};
+
+static int collie_flash_init(void)
+{
+ int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
+ if (rc)
+ return rc;
+
+ rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
+ if (rc)
+ gpio_free(COLLIE_GPIO_VPEN);
+
+ return rc;
+}
+
+static void collie_set_vpp(int vpp)
+{
+ gpio_set_value(COLLIE_GPIO_VPEN, vpp);
+}
+
+static void collie_flash_exit(void)
+{
+ gpio_free(COLLIE_GPIO_VPEN);
+}
+
+static struct flash_platform_data collie_flash_data = {
+ .map_name = "cfi_probe",
+ .init = collie_flash_init,
+ .set_vpp = collie_set_vpp,
+ .exit = collie_flash_exit,
+ .parts = collie_partitions,
+ .nr_parts = ARRAY_SIZE(collie_partitions),
+};
+
+static struct resource collie_flash_resources[] = {
+ DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
+};
+
+static struct sa1100fb_mach_info collie_lcd_info = {
+ .pixclock = 171521, .bpp = 16,
+ .xres = 320, .yres = 240,
+
+ .hsync_len = 5, .vsync_len = 1,
+ .left_margin = 11, .upper_margin = 2,
+ .right_margin = 30, .lower_margin = 0,
+
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+
+ .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
+ .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
+
+#ifdef CONFIG_BACKLIGHT_LOCOMO
+ .lcd_power = locomolcd_power
+#endif
+};
+
+static void __init collie_init(void)
+{
+ int ret = 0;
+
+ /* cpu initialize */
+ GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
+ GPIO_MCP_CLK | GPIO_32_768kHz;
+
+ GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
+ GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
+ GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
+ _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
+ _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
+
+ PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
+ PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
+ PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+
+ PWER = 0;
+
+ PGSR = _COLLIE_GPIO_nREMOCON_ON;
+
+ PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
+
+ PCFR = PCFR_OPDE;
+
+ GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
+
+ sa11x0_ppc_configure_mcp();
+
+
+ platform_scoop_config = &collie_pcmcia_config;
+
+ ret = platform_add_devices(devices, ARRAY_SIZE(devices));
+ if (ret) {
+ printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
+ }
+
+ sa11x0_register_lcd(&collie_lcd_info);
+ sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
+ ARRAY_SIZE(collie_flash_resources));
+ sa11x0_register_mcp(&collie_mcp_data);
+ sa11x0_register_irda(&collie_ir_data);
+
+ sharpsl_save_param();
+}
+
+static struct map_desc collie_io_desc[] __initdata = {
+ { /* 32M main flash (cs0) */
+ .virtual = 0xe8000000,
+ .pfn = __phys_to_pfn(0x00000000),
+ .length = 0x02000000,
+ .type = MT_DEVICE
+ }, { /* 32M boot flash (cs1) */
+ .virtual = 0xea000000,
+ .pfn = __phys_to_pfn(0x08000000),
+ .length = 0x02000000,
+ .type = MT_DEVICE
+ }
+};
+
+static void __init collie_map_io(void)
+{
+ sa1100_map_io();
+ iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
+
+#ifdef CONFIG_SHARP_LOCOMO
+ sa1100_register_uart_fns(&collie_port_fns);
+#endif
+ sa1100_register_uart(0, 3);
+ sa1100_register_uart(1, 1);
+}
+
+MACHINE_START(COLLIE, "Sharp-Collie")
+ .map_io = collie_map_io,
+ .nr_irqs = SA1100_NR_IRQS,
+ .init_irq = sa1100_init_irq,
+ .init_time = sa1100_timer_init,
+ .init_machine = collie_init,
+ .init_late = sa11x0_init_late,
+ .restart = sa11x0_restart,
+MACHINE_END
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