Board setup code for the Synology DS101 platform
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Rod Whitby <rod@whitby.id.au>
Signed-off-by: OEyvind Repvik <oyvind@repvik.org>
arch/arm/mach-ixp4xx/Kconfig | 8 +
arch/arm/mach-ixp4xx/Makefile | 2
arch/arm/mach-ixp4xx/ds101-setup.c | 245 +++++++++++++++++++++++++++++++++++++
3 files changed, 254 insertions(+), 1 deletion(-)
Index: linux-2.6.15/arch/arm/mach-ixp4xx/ds101-setup.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.15/arch/arm/mach-ixp4xx/ds101-setup.c 2006-02-24 12:37:01.000000000 +0100
@@ -0,0 +1,245 @@
+/*
+ * Synology DS101 board setup
+ *
+ * based ixdp425-setup.c:
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Author: OEyvind Repvik <oyvind@repvik.org>
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/leds.h>
+#include <linux/pci.h>
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+#ifdef CONFIG_MACLIST
+#include <net/maclist.h>
+#endif
+
+#ifdef CONFIG_LEDS_CLASS
+static struct resource ds101_led_resources[] = {
+ {
+ .name = "power",
+ .start = DS101_POWER_LED,
+ .end = DS101_POWER_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "usbcopy-solid",
+ .start = DS101_USBCOPY_SOLID_LED,
+ .end = DS101_USBCOPY_SOLID_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "usbcopy-blink",
+ .start = DS101_USBCOPY_BLINK_LED,
+ .end = DS101_USBCOPY_BLINK_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "status-ready",
+ .start = DS101_STATUSOK_LED,
+ .end = DS101_STATUSOK_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "status-error",
+ .start = DS101_STATUSBAD_LED,
+ .start = DS101_STATUSBAD_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ }
+};
+
+
+static struct platform_device ds101_leds = {
+ .name = "IXP4XX-GPIO-LED",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ds101_led_resources),
+ .resource = ds101_led_resources,
+};
+#endif
+
+static struct ixp4xx_i2c_pins ds101_i2c_gpio_pins = {
+ .sda_pin = DS101_SDA_PIN,
+ .scl_pin = DS101_SCL_PIN,
+};
+
+static struct platform_device ds101_i2c_controller = {
+ .name = "IXP4XX-I2C",
+ .id = 0,
+ .dev.platform_data = &ds101_i2c_gpio_pins,
+ .num_resources = 0,
+};
+
+static struct platform_device ds101_beeper = {
+ .name = "ixp4xx-beeper",
+ .id = DS101_GPIO_BUZZ,
+ .num_resources = 0,
+};
+
+static struct resource ds101_uart_resources[] = {
+ {
+ .start = IXP4XX_UART1_BASE_PHYS,
+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct plat_serial8250_port ds101_uart_data[] = {
+ {
+ .mapbase = IXP4XX_UART1_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ {
+ .mapbase = IXP4XX_UART2_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART2,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ { }
+};
+
+static struct platform_device ds101_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = ds101_uart_data,
+ .num_resources = 2,
+ .resource = ds101_uart_resources,
+};
+
+static struct platform_device *ds101_devices[] __initdata = {
+ &ds101_i2c_controller,
+ &ds101_beeper,
+};
+
+static void ds101_power_off(void)
+{
+ /* Simple, but effective */
+ gpio_line_set(DS101_POWEROFF_GPIO, IXP4XX_GPIO_LOW);
+}
+
+static void ds101_gpio_setup(void)
+{
+ /* Set up buzzer */
+ gpio_line_config(DS101_GPIO_BUZZ, DS101_GPIO_OUT);
+ gpio_line_set(DS101_GPIO_BUZZ, DS101_GPIO_LOW);
+
+ /* Set up power led */
+ gpio_line_config(DS101_POWER_LED, DS101_GPIO_OUT);
+ gpio_line_set(DS101_POWER_LED, DS101_GPIO_LOW);
+
+ /* Poweroff */
+ gpio_line_config(DS101_POWEROFF_GPIO, DS101_GPIO_OUT);
+ gpio_line_set(DS101_POWEROFF_GPIO, DS101_GPIO_HIGH);
+
+ /* Status leds */
+ (*IXP4XX_GPIO_GPCLKR) = ((*IXP4XX_GPIO_GPCLKR) & ~DS101_GPIO_CLK0_ENABLE);
+ (*IXP4XX_GPIO_GPCLKR) = ((*IXP4XX_GPIO_GPCLKR) & ~DS101_GPIO_CLK1_ENABLE);
+ gpio_line_config(DS101_STATUSOK_LED, DS101_GPIO_OUT);
+ gpio_line_config(DS101_STATUSBAD_LED, DS101_GPIO_OUT);
+ gpio_line_set(DS101_STATUSOK_LED, DS101_GPIO_HIGH);
+ gpio_line_set(DS101_STATUSBAD_LED, DS101_GPIO_LOW);
+};
+
+static void ds101_cs0_setup(void)
+{
+ *IXP4XX_EXP_CS0 = DS101_EXP_CS0_INIT;
+};
+
+static void __init ds101_init(void)
+{
+ ixp4xx_sys_init();
+
+ ds101_cs0_setup(); /* Needed for DoC support */
+ ds101_gpio_setup();
+ pm_power_off = ds101_power_off;
+
+ platform_add_devices(ds101_devices, ARRAY_SIZE(ds101_devices));
+
+ /* This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&ds101_uart);
+
+#ifdef CONFIG_LEDS_CLASS
+ /* We don't care whether or not this works. */
+ (void)platform_device_register(&ds101_leds);
+#endif
+}
+
+/*
+ * DS101 bootstrap may pass in parameters, but we zap the mem
+ * settings to be safe (DS101 always has 64MByte at 0, DS101J has
+ * 32MB). The passed in command line can override this default, we
+ * prepend to the config'ed default.
+ *
+ * NOTE: the startup sequence is:
+ * 1) Call the machine fixup
+ * 2) Parse the ATAG list, the ATAG_CMDLINE is copied in
+ * to default_command_line which is the value of *from
+ * 3) Parse the command line in *from (*not*
+ * default_command_line unless they are the same!)
+ *
+ * Setting mi->nr_banks causes (2) to 'squash' (set to ATAG_NONE)
+ * any ATAG_MEM tags, but mem= command line options cause nr_banks
+ * to be reset to 0 (on the first mem=)
+ */
+
+static char ds101_command_line[] __initdata =
+ "root=/dev/sda2 rootfstype=ext3 init=/sbin/init "
+ "rtc-rs5c372.probe=0,0x32 "
+ CONFIG_CMDLINE;
+
+static void __init ds101_fixup(struct machine_desc *desc,
+ struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+ /* The DS101 has one bank of 64MByte memory.
+ * NOTE: setting nr_banks != 0 causes kernel/setup.c to remove
+ * the mem tags from the tag list. We need do nothing here!
+ */
+ mi->nr_banks=1;
+ mi->bank[0].start = 0;
+ mi->bank[0].size = (64*1024*1024);
+ mi->bank[0].node = PHYS_TO_NID(0);
+ /* A command line in the ATAG list will override this one,
+ * as is intended.
+ */
+ strlcpy(*cmdline, ds101_command_line, COMMAND_LINE_SIZE);
+}
+
+MACHINE_START(DS101, "Synology DiskStation DS101")
+ /* Maintainer: www.nslu2-linux.org */
+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .fixup = ds101_fixup,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,
+ .init_machine = ds101_init,
+MACHINE_END
Index: linux-2.6.15/arch/arm/mach-ixp4xx/Kconfig
===================================================================
--- linux-2.6.15.orig/arch/arm/mach-ixp4xx/Kconfig 2006-02-24 11:44:49.000000000 +0100
+++ linux-2.6.15/arch/arm/mach-ixp4xx/Kconfig 2006-02-24 11:44:49.000000000 +0100
@@ -94,6 +94,14 @@
DSM-G600 device. For more information on this platform,
see http://www.nslu2-linux.org/
+config MACH_DS101
+ bool
+ prompt "DS101"
+ help
+ Say 'Y' here if you want your kernel to support Synology's
+ DiskStation DS101(j) device. For more information on this
+ platform see http://www.nslu2-linux.org/wiki/DS101/HomePage
+
#
# Avila and IXDP share the same source for now. Will change in future
#
Index: linux-2.6.15/arch/arm/mach-ixp4xx/Makefile
===================================================================
--- linux-2.6.15.orig/arch/arm/mach-ixp4xx/Makefile 2006-02-24 11:44:48.000000000 +0100
+++ linux-2.6.15/arch/arm/mach-ixp4xx/Makefile 2006-02-24 11:44:49.000000000 +0100
@@ -11,4 +11,4 @@
obj-$(CONFIG_MACH_NSLU2) += nslu2-pci.o nslu2-setup.o nslu2-power.o
obj-$(CONFIG_MACH_NAS100D) += nas100d-pci.o nas100d-setup.o nas100d-power.o
obj-$(CONFIG_MACH_DSMG600) += dsmg600-pci.o dsmg600-setup.o
-
+obj-$(CONFIG_MACH_DS101) += ds101-pci.o ds101-setup.o ds101-buttons.o