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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 15:40:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 15:40:55 -0700
commit85b375a613085b78531ec86369a51c2f3b922f95 (patch)
tree716437d598de92bbd7acaf24622e9a7d74fc209a /arch/arm/mach-orion5x/rd88f5182-setup.c
parentec965350bb98bd291eb34f6ecddfdcfc36da1e6e (diff)
parentcf816ecb533ab96b883dfdc0db174598b5b5c4d2 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (212 commits) [ARM] pxa: Phycore pcm-990-specific code for the PXA270 Quick Capture driver [ARM] pxa: V4L2 soc_camera driver for PXA270 [ARM] pxa: restrict availability of pxa2xx PCMCIA drivers [ARM] 5005/1: BAST: Fix kset_name initialiser [ARM] 4967/1: Adds functions to set clkout rate for Samsung S3C2410 [ARM] 4988/1: Add GPIO lib support to the EP93xx [ARM] Add initial sparsemem support [ARM] pxa: initialise PXA devices before platform init code [ARM] 5002/1: tosa: add two more leds [ARM] 5004/1: Tosa: make several unreferenced structures static. [ARM] 5003/1: Shut up sparse warnings [ARM] 4977/2: soc - pxa2xx-ac97 - Add missing clk_enable() [ARM] 4976/1: zylonite: Configure GPIO for WM9713 IRQ line [ARM] 4974/1: Drop unused leds-tosa. [ARM] 4973/1: Tosa: use leds-gpio driver. [ARM] 4972/1: Tosa: convert scoop GPIOs usage to generic gpio code [ARM] 4971/1: pxaficp_ir: provide startup and shutdown hooks [ARM] pxa: lubbock: move mis-placed SPI info [ARM] 4970/1: tosa: correct gpio used for wake up. [ARM] 4966/1: magician: add MFP pin configuration ...
Diffstat (limited to 'arch/arm/mach-orion5x/rd88f5182-setup.c')
-rw-r--r--arch/arm/mach-orion5x/rd88f5182-setup.c312
1 files changed, 312 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/rd88f5182-setup.c b/arch/arm/mach-orion5x/rd88f5182-setup.c
new file mode 100644
index 000000000000..37e8b2dc3ed5
--- /dev/null
+++ b/arch/arm/mach-orion5x/rd88f5182-setup.c
@@ -0,0 +1,312 @@
+/*
+ * arch/arm/mach-orion5x/rd88f5182-setup.c
+ *
+ * Marvell Orion-NAS Reference Design Setup
+ *
+ * Maintainer: Ronen Shitrit <rshitrit@marvell.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ata_platform.h>
+#include <linux/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/leds.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+
+/*****************************************************************************
+ * RD-88F5182 Info
+ ****************************************************************************/
+
+/*
+ * 512K NOR flash Device bus boot chip select
+ */
+
+#define RD88F5182_NOR_BOOT_BASE 0xf4000000
+#define RD88F5182_NOR_BOOT_SIZE SZ_512K
+
+/*
+ * 16M NOR flash on Device bus chip select 1
+ */
+
+#define RD88F5182_NOR_BASE 0xfc000000
+#define RD88F5182_NOR_SIZE SZ_16M
+
+/*
+ * PCI
+ */
+
+#define RD88F5182_PCI_SLOT0_OFFS 7
+#define RD88F5182_PCI_SLOT0_IRQ_A_PIN 7
+#define RD88F5182_PCI_SLOT0_IRQ_B_PIN 6
+
+/*
+ * GPIO Debug LED
+ */
+
+#define RD88F5182_GPIO_DBG_LED 0
+
+/*****************************************************************************
+ * 16M NOR Flash on Device bus CS1
+ ****************************************************************************/
+
+static struct physmap_flash_data rd88f5182_nor_flash_data = {
+ .width = 1,
+};
+
+static struct resource rd88f5182_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = RD88F5182_NOR_BASE,
+ .end = RD88F5182_NOR_BASE + RD88F5182_NOR_SIZE - 1,
+};
+
+static struct platform_device rd88f5182_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &rd88f5182_nor_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &rd88f5182_nor_flash_resource,
+};
+
+#ifdef CONFIG_LEDS
+
+/*****************************************************************************
+ * Use GPIO debug led as CPU active indication
+ ****************************************************************************/
+
+static void rd88f5182_dbgled_event(led_event_t evt)
+{
+ int val;
+
+ if (evt == led_idle_end)
+ val = 1;
+ else if (evt == led_idle_start)
+ val = 0;
+ else
+ return;
+
+ gpio_set_value(RD88F5182_GPIO_DBG_LED, val);
+}
+
+static int __init rd88f5182_dbgled_init(void)
+{
+ int pin;
+
+ if (machine_is_rd88f5182()) {
+ pin = RD88F5182_GPIO_DBG_LED;
+
+ if (gpio_request(pin, "DBGLED") == 0) {
+ if (gpio_direction_output(pin, 0) != 0) {
+ printk(KERN_ERR "rd88f5182_dbgled_init failed "
+ "to set output pin %d\n", pin);
+ gpio_free(pin);
+ return 0;
+ }
+ } else {
+ printk(KERN_ERR "rd88f5182_dbgled_init failed "
+ "to request gpio %d\n", pin);
+ return 0;
+ }
+
+ leds_event = rd88f5182_dbgled_event;
+ }
+ return 0;
+}
+
+__initcall(rd88f5182_dbgled_init);
+
+#endif
+
+/*****************************************************************************
+ * PCI
+ ****************************************************************************/
+
+void __init rd88f5182_pci_preinit(void)
+{
+ int pin;
+
+ /*
+ * Configure PCI GPIO IRQ pins
+ */
+ pin = RD88F5182_PCI_SLOT0_IRQ_A_PIN;
+ if (gpio_request(pin, "PCI IntA") == 0) {
+ if (gpio_direction_input(pin) == 0) {
+ set_irq_type(gpio_to_irq(pin), IRQT_LOW);
+ } else {
+ printk(KERN_ERR "rd88f5182_pci_preinit faield to "
+ "set_irq_type pin %d\n", pin);
+ gpio_free(pin);
+ }
+ } else {
+ printk(KERN_ERR "rd88f5182_pci_preinit failed to request gpio %d\n", pin);
+ }
+
+ pin = RD88F5182_PCI_SLOT0_IRQ_B_PIN;
+ if (gpio_request(pin, "PCI IntB") == 0) {
+ if (gpio_direction_input(pin) == 0) {
+ set_irq_type(gpio_to_irq(pin), IRQT_LOW);
+ } else {
+ printk(KERN_ERR "rd88f5182_pci_preinit faield to "
+ "set_irq_type pin %d\n", pin);
+ gpio_free(pin);
+ }
+ } else {
+ printk(KERN_ERR "rd88f5182_pci_preinit failed to gpio_request %d\n", pin);
+ }
+}
+
+static int __init rd88f5182_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ /*
+ * PCI-E isn't used on the RD2
+ */
+ if (dev->bus->number == orion5x_pcie_local_bus_nr())
+ return IRQ_ORION5X_PCIE0_INT;
+
+ /*
+ * PCI IRQs are connected via GPIOs
+ */
+ switch (slot - RD88F5182_PCI_SLOT0_OFFS) {
+ case 0:
+ if (pin == 1)
+ return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_A_PIN);
+ else
+ return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_B_PIN);
+ default:
+ return -1;
+ }
+}
+
+static struct hw_pci rd88f5182_pci __initdata = {
+ .nr_controllers = 2,
+ .preinit = rd88f5182_pci_preinit,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = rd88f5182_pci_map_irq,
+};
+
+static int __init rd88f5182_pci_init(void)
+{
+ if (machine_is_rd88f5182())
+ pci_common_init(&rd88f5182_pci);
+
+ return 0;
+}
+
+subsys_initcall(rd88f5182_pci_init);
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data rd88f5182_eth_data = {
+ .phy_addr = 8,
+ .force_phy_addr = 1,
+};
+
+/*****************************************************************************
+ * RTC DS1338 on I2C bus
+ ****************************************************************************/
+static struct i2c_board_info __initdata rd88f5182_i2c_rtc = {
+ .driver_name = "rtc-ds1307",
+ .type = "ds1338",
+ .addr = 0x68,
+};
+
+/*****************************************************************************
+ * Sata
+ ****************************************************************************/
+static struct mv_sata_platform_data rd88f5182_sata_data = {
+ .n_ports = 2,
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static struct platform_device *rd88f5182_devices[] __initdata = {
+ &rd88f5182_nor_flash,
+};
+
+static void __init rd88f5182_init(void)
+{
+ /*
+ * Setup basic Orion functions. Need to be called early.
+ */
+ orion5x_init();
+
+ /*
+ * Setup the CPU address decode windows for our devices
+ */
+ orion5x_setup_dev_boot_win(RD88F5182_NOR_BOOT_BASE,
+ RD88F5182_NOR_BOOT_SIZE);
+ orion5x_setup_dev1_win(RD88F5182_NOR_BASE, RD88F5182_NOR_SIZE);
+
+ /*
+ * Open a special address decode windows for the PCIE WA.
+ */
+ orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE,
+ ORION5X_PCIE_WA_SIZE);
+
+ /*
+ * Setup Multiplexing Pins --
+ * MPP[0] Debug Led (GPIO - Out)
+ * MPP[1] Debug Led (GPIO - Out)
+ * MPP[2] N/A
+ * MPP[3] RTC_Int (GPIO - In)
+ * MPP[4] GPIO
+ * MPP[5] GPIO
+ * MPP[6] PCI_intA (GPIO - In)
+ * MPP[7] PCI_intB (GPIO - In)
+ * MPP[8-11] N/A
+ * MPP[12] SATA 0 presence Indication
+ * MPP[13] SATA 1 presence Indication
+ * MPP[14] SATA 0 active Indication
+ * MPP[15] SATA 1 active indication
+ * MPP[16-19] Not used
+ * MPP[20] PCI Clock to MV88F5182
+ * MPP[21] PCI Clock to mini PCI CON11
+ * MPP[22] USB 0 over current indication
+ * MPP[23] USB 1 over current indication
+ * MPP[24] USB 1 over current enable
+ * MPP[25] USB 0 over current enable
+ */
+
+ orion5x_write(MPP_0_7_CTRL, 0x00000003);
+ orion5x_write(MPP_8_15_CTRL, 0x55550000);
+ orion5x_write(MPP_16_19_CTRL, 0x5555);
+
+ orion5x_gpio_set_valid_pins(0x000000fb);
+
+ platform_add_devices(rd88f5182_devices, ARRAY_SIZE(rd88f5182_devices));
+ i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1);
+ orion5x_eth_init(&rd88f5182_eth_data);
+ orion5x_sata_init(&rd88f5182_sata_data);
+}
+
+MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design")
+ /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = rd88f5182_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+MACHINE_END