1 files changed, 442 insertions, 0 deletions

diff --git a/arch/arm/mach-orion5x/ts209-setup.c b/arch/arm/mach-orion5x/ts209-setup.c
new file mode 100644
index 000000000000..fd43863a86f6
--- /dev/null
+++ b/arch/arm/mach-orion5x/ts209-setup.c
@@ -0,0 +1,442 @@
+/*
+ * QNAP TS-109/TS-209 Board Setup
+ *
+ * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#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/mtd/nand.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/serial_reg.h>
+#include <linux/ata_platform.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+
+#define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
+#define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
+
+/****************************************************************************
+ * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
+ *     partitions on the device because we want to keep compatability with
+ *     existing QNAP firmware.
+ *
+ * Layout as used by QNAP:
+ *  [2] 0x00000000-0x00200000 : "Kernel"
+ *  [3] 0x00200000-0x00600000 : "RootFS1"
+ *  [4] 0x00600000-0x00700000 : "RootFS2"
+ *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
+ *  [5] 0x00760000-0x00780000 : "U-Boot Config"
+ *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
+ ***************************************************************************/
+static struct mtd_partition qnap_ts209_partitions[] = {
+        {
+                .name       = "U-Boot",
+                .size       = 0x00080000,
+                .offset     = 0x00780000,
+                .mask_flags = MTD_WRITEABLE,
+        }, {
+                .name   = "Kernel",
+                .size   = 0x00200000,
+                .offset = 0,
+        }, {
+                .name   = "RootFS1",
+                .size   = 0x00400000,
+                .offset = 0x00200000,
+        }, {
+                .name   = "RootFS2",
+                .size   = 0x00100000,
+                .offset = 0x00600000,
+        }, {
+                .name   = "U-Boot Config",
+                .size   = 0x00020000,
+                .offset = 0x00760000,
+        }, {
+                .name       = "NAS Config",
+                .size       = 0x00060000,
+                .offset     = 0x00700000,
+                .mask_flags = MTD_WRITEABLE,
+        }
+};
+
+static struct physmap_flash_data qnap_ts209_nor_flash_data = {
+        .width    = 1,
+        .parts    = qnap_ts209_partitions,
+        .nr_parts = ARRAY_SIZE(qnap_ts209_partitions)
+};
+
+static struct resource qnap_ts209_nor_flash_resource = {
+        .flags = IORESOURCE_MEM,
+        .start = QNAP_TS209_NOR_BOOT_BASE,
+        .end   = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device qnap_ts209_nor_flash = {
+        .name          = "physmap-flash",
+        .id            = 0,
+        .dev           = { .platform_data = &qnap_ts209_nor_flash_data, },
+        .resource      = &qnap_ts209_nor_flash_resource,
+        .num_resources = 1,
+};
+
+/*****************************************************************************
+ * PCI
+ ****************************************************************************/
+
+#define QNAP_TS209_PCI_SLOT0_OFFS       7
+#define QNAP_TS209_PCI_SLOT0_IRQ_PIN    6
+#define QNAP_TS209_PCI_SLOT1_IRQ_PIN    7
+
+void __init qnap_ts209_pci_preinit(void)
+{
+        int pin;
+
+        /*
+         * Configure PCI GPIO IRQ pins
+         */
+        pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
+        if (gpio_request(pin, "PCI Int1") == 0) {
+                if (gpio_direction_input(pin) == 0) {
+                        set_irq_type(gpio_to_irq(pin), IRQT_LOW);
+                } else {
+                        printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
+                                        "set_irq_type pin %d\n", pin);
+                        gpio_free(pin);
+                }
+        } else {
+                printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
+                                "%d\n", pin);
+        }
+
+        pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
+        if (gpio_request(pin, "PCI Int2") == 0) {
+                if (gpio_direction_input(pin) == 0) {
+                        set_irq_type(gpio_to_irq(pin), IRQT_LOW);
+                } else {
+                        printk(KERN_ERR "qnap_ts209_pci_preinit failed "
+                                        "to set_irq_type pin %d\n", pin);
+                        gpio_free(pin);
+                }
+        } else {
+                printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
+                                "%d\n", pin);
+        }
+}
+
+static int __init qnap_ts209_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+        /*
+         * PCIE IRQ is connected internally (not GPIO)
+         */
+        if (dev->bus->number == orion5x_pcie_local_bus_nr())
+                return IRQ_ORION5X_PCIE0_INT;
+
+        /*
+         * PCI IRQs are connected via GPIOs
+         */
+        switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
+        case 0:
+                return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
+        case 1:
+                return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
+        default:
+                return -1;
+        }
+}
+
+static struct hw_pci qnap_ts209_pci __initdata = {
+        .nr_controllers = 2,
+        .preinit        = qnap_ts209_pci_preinit,
+        .swizzle        = pci_std_swizzle,
+        .setup          = orion5x_pci_sys_setup,
+        .scan           = orion5x_pci_sys_scan_bus,
+        .map_irq        = qnap_ts209_pci_map_irq,
+};
+
+static int __init qnap_ts209_pci_init(void)
+{
+        if (machine_is_ts_x09())
+                pci_common_init(&qnap_ts209_pci);
+
+        return 0;
+}
+
+subsys_initcall(qnap_ts209_pci_init);
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data qnap_ts209_eth_data = {
+        .phy_addr       = 8,
+        .force_phy_addr = 1,
+};
+
+static int __init parse_hex_nibble(char n)
+{
+        if (n >= '0' && n <= '9')
+                return n - '0';
+
+        if (n >= 'A' && n <= 'F')
+                return n - 'A' + 10;
+
+        if (n >= 'a' && n <= 'f')
+                return n - 'a' + 10;
+
+        return -1;
+}
+
+static int __init parse_hex_byte(const char *b)
+{
+        int hi;
+        int lo;
+
+        hi = parse_hex_nibble(b[0]);
+        lo = parse_hex_nibble(b[1]);
+
+        if (hi < 0 || lo < 0)
+                return -1;
+
+        return (hi << 4) | lo;
+}
+
+static int __init check_mac_addr(const char *addr_str)
+{
+        u_int8_t addr[6];
+        int i;
+
+        for (i = 0; i < 6; i++) {
+                int byte;
+
+                /*
+                 * Enforce "xx:xx:xx:xx:xx:xx\n" format.
+                 */
+                if (addr_str[(i * 3) + 2] != ((i < 5) ? ':' : '\n'))
+                        return -1;
+
+                byte = parse_hex_byte(addr_str + (i * 3));
+                if (byte < 0)
+                        return -1;
+                addr[i] = byte;
+        }
+
+        printk(KERN_INFO "ts209: found ethernet mac address ");
+        for (i = 0; i < 6; i++)
+                printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");
+
+        memcpy(qnap_ts209_eth_data.mac_addr, addr, 6);
+
+        return 0;
+}
+
+/*
+ * The 'NAS Config' flash partition has an ext2 filesystem which
+ * contains a file that has the ethernet MAC address in plain text
+ * (format "xx:xx:xx:xx:xx:xx\n".)
+ */
+static void __init ts209_find_mac_addr(void)
+{
+        unsigned long addr;
+
+        for (addr = 0x00700000; addr < 0x00760000; addr += 1024) {
+                char *nor_page;
+                int ret = 0;
+
+                nor_page = ioremap(QNAP_TS209_NOR_BOOT_BASE + addr, 1024);
+                if (nor_page != NULL) {
+                        ret = check_mac_addr(nor_page);
+                        iounmap(nor_page);
+                }
+
+                if (ret == 0)
+                        break;
+        }
+}
+
+/*****************************************************************************
+ * RTC S35390A on I2C bus
+ ****************************************************************************/
+
+#define TS209_RTC_GPIO  3
+
+static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
+       .driver_name = "rtc-s35390a",
+       .addr        = 0x30,
+       .irq         = 0,
+};
+
+/****************************************************************************
+ * GPIO Attached Keys
+ *     Power button is attached to the PIC microcontroller
+ ****************************************************************************/
+
+#define QNAP_TS209_GPIO_KEY_MEDIA       1
+#define QNAP_TS209_GPIO_KEY_RESET       2
+
+static struct gpio_keys_button qnap_ts209_buttons[] = {
+        {
+                .code           = KEY_RESTART,
+                .gpio           = QNAP_TS209_GPIO_KEY_MEDIA,
+                .desc           = "USB Copy Button",
+                .active_low     = 1,
+        },
+        {
+                .code           = KEY_POWER,
+                .gpio           = QNAP_TS209_GPIO_KEY_RESET,
+                .desc           = "Reset Button",
+                .active_low     = 1,
+        }
+};
+
+static struct gpio_keys_platform_data qnap_ts209_button_data = {
+        .buttons        = qnap_ts209_buttons,
+        .nbuttons       = ARRAY_SIZE(qnap_ts209_buttons),
+};
+
+static struct platform_device qnap_ts209_button_device = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .num_resources  = 0,
+        .dev            = { .platform_data  = &qnap_ts209_button_data, },
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct mv_sata_platform_data qnap_ts209_sata_data = {
+        .n_ports        = 2,
+};
+
+/*****************************************************************************
+
+ * General Setup
+ ****************************************************************************/
+
+static struct platform_device *qnap_ts209_devices[] __initdata = {
+        &qnap_ts209_nor_flash,
+        &qnap_ts209_button_device,
+};
+
+/*
+ * QNAP TS-[12]09 specific power off method via UART1-attached PIC
+ */
+
+#define UART1_REG(x)  (UART1_VIRT_BASE + ((UART_##x) << 2))
+
+static void qnap_ts209_power_off(void)
+{
+        /* 19200 baud divisor */
+        const unsigned divisor = ((ORION5X_TCLK + (8 * 19200)) / (16 * 19200));
+
+        pr_info("%s: triggering power-off...\n", __func__);
+
+        /* hijack uart1 and reset into sane state (19200,8n1) */
+        orion5x_write(UART1_REG(LCR), 0x83);
+        orion5x_write(UART1_REG(DLL), divisor & 0xff);
+        orion5x_write(UART1_REG(DLM), (divisor >> 8) & 0xff);
+        orion5x_write(UART1_REG(LCR), 0x03);
+        orion5x_write(UART1_REG(IER), 0x00);
+        orion5x_write(UART1_REG(FCR), 0x00);
+        orion5x_write(UART1_REG(MCR), 0x00);
+
+        /* send the power-off command 'A' to PIC */
+        orion5x_write(UART1_REG(TX), 'A');
+}
+
+static void __init qnap_ts209_init(void)
+{
+        /*
+         * Setup basic Orion functions. Need to be called early.
+         */
+        orion5x_init();
+
+        /*
+         * Setup flash mapping
+         */
+        orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE,
+                            QNAP_TS209_NOR_BOOT_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] Reserved
+         * MPP[1] USB copy button (0 active)
+         * MPP[2] Load defaults button (0 active)
+         * MPP[3] GPIO RTC
+         * MPP[4-5] Reserved
+         * MPP[6] PCI Int A
+         * MPP[7] PCI Int B
+         * MPP[8-11] Reserved
+         * MPP[12] SATA 0 presence
+         * MPP[13] SATA 1 presence
+         * MPP[14] SATA 0 active
+         * MPP[15] SATA 1 active
+         * MPP[16] UART1 RXD
+         * MPP[17] UART1 TXD
+         * MPP[18] SW_RST (0 active)
+         * MPP[19] Reserved
+         * MPP[20] PCI clock 0
+         * MPP[21] PCI clock 1
+         * MPP[22] USB 0 over current
+         * MPP[23-25] Reserved
+         */
+        orion5x_write(MPP_0_7_CTRL, 0x3);
+        orion5x_write(MPP_8_15_CTRL, 0x55550000);
+        orion5x_write(MPP_16_19_CTRL, 0x5500);
+        orion5x_gpio_set_valid_pins(0x3cc0fff);
+
+        /* register ts209 specific power-off method */
+        pm_power_off = qnap_ts209_power_off;
+
+        platform_add_devices(qnap_ts209_devices,
+                                ARRAY_SIZE(qnap_ts209_devices));
+
+        /* Get RTC IRQ and register the chip */
+        if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
+                if (gpio_direction_input(TS209_RTC_GPIO) == 0)
+                        qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
+                else
+                        gpio_free(TS209_RTC_GPIO);
+        }
+        if (qnap_ts209_i2c_rtc.irq == 0)
+                pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
+        i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
+
+        ts209_find_mac_addr();
+        orion5x_eth_init(&qnap_ts209_eth_data);
+
+        orion5x_sata_init(&qnap_ts209_sata_data);
+}
+
+MACHINE_START(TS209, "QNAP TS-109/TS-209")
+        /* Maintainer:  Byron Bradley <byron.bbradley@gmail.com> */
+        .phys_io        = ORION5X_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+        .boot_params    = 0x00000100,
+        .init_machine   = qnap_ts209_init,
+        .map_io         = orion5x_map_io,
+        .init_irq       = orion5x_init_irq,
+        .timer          = &orion5x_timer,
+        .fixup          = tag_fixup_mem32,
+MACHINE_END