[ARM] Kirkwood: Add support for QNAP TS-41x Turbo NAS

Add support for the QNAP TS-410, TS-410U, TS-419P and TS-419U
Turbo NAS.

Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

3 files changed, 261 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 0aca451b216d..d58e8b0febe0 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -38,6 +38,13 @@ config MACH_TS219
           Say 'Y' here if you want your kernel to support the
           QNAP TS-119 and TS-219 Turbo NAS devices.
 
+config MACH_TS41X
+        bool "QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS"
+        help
+          Say 'Y' here if you want your kernel to support the
+          QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS
+          devices.
+
 config MACH_OPENRD_BASE
         bool "Marvell OpenRD Base Board"
         help
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 80ab0ec90ee1..0c79cedfa64d 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -6,6 +6,7 @@ obj-$(CONFIG_MACH_RD88F6281)		+= rd88f6281-setup.o
 obj-$(CONFIG_MACH_MV88F6281GTW_GE)      += mv88f6281gtw_ge-setup.o
 obj-$(CONFIG_MACH_SHEEVAPLUG)           += sheevaplug-setup.o
 obj-$(CONFIG_MACH_TS219)                += ts219-setup.o
+obj-$(CONFIG_MACH_TS41X)                += ts41x-setup.o
 obj-$(CONFIG_MACH_OPENRD_BASE)          += openrd_base-setup.o
 
 obj-$(CONFIG_CPU_IDLE)                  += cpuidle.o
diff --git a/arch/arm/mach-kirkwood/ts41x-setup.c b/arch/arm/mach-kirkwood/ts41x-setup.c
new file mode 100644
index 000000000000..a1972c948503
--- /dev/null
+++ b/arch/arm/mach-kirkwood/ts41x-setup.c
@@ -0,0 +1,253 @@
+/*
+ *
+ * QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS Board Setup
+ *
+ * Copyright (C) 2009  Martin Michlmayr <tbm@cyrius.com>
+ * Copyright (C) 2008  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/mtd/physmap.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/orion_spi.h>
+#include <linux/i2c.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ata_platform.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/timex.h>
+#include <linux/serial_reg.h>
+#include <linux/pci.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/kirkwood.h>
+#include "common.h"
+#include "mpp.h"
+
+/****************************************************************************
+ * 16 MiB 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
+ *     the QNAP firmware.
+ * Layout as used by QNAP:
+ *  0x00000000-0x00080000 : "U-Boot"
+ *  0x00200000-0x00400000 : "Kernel"
+ *  0x00400000-0x00d00000 : "RootFS"
+ *  0x00d00000-0x01000000 : "RootFS2"
+ *  0x00080000-0x000c0000 : "U-Boot Config"
+ *  0x000c0000-0x00200000 : "NAS Config"
+ *
+ * We'll use "RootFS1" instead of "RootFS" to stay compatible with the layout
+ * used by the QNAP TS-109/TS-209.
+ *
+ ***************************************************************************/
+
+static struct mtd_partition qnap_ts41x_partitions[] = {
+        {
+                .name           = "U-Boot",
+                .size           = 0x00080000,
+                .offset         = 0,
+                .mask_flags     = MTD_WRITEABLE,
+        }, {
+                .name           = "Kernel",
+                .size           = 0x00200000,
+                .offset         = 0x00200000,
+        }, {
+                .name           = "RootFS1",
+                .size           = 0x00900000,
+                .offset         = 0x00400000,
+        }, {
+                .name           = "RootFS2",
+                .size           = 0x00300000,
+                .offset         = 0x00d00000,
+        }, {
+                .name           = "U-Boot Config",
+                .size           = 0x00040000,
+                .offset         = 0x00080000,
+        }, {
+                .name           = "NAS Config",
+                .size           = 0x00140000,
+                .offset         = 0x000c0000,
+        },
+};
+
+static const struct flash_platform_data qnap_ts41x_flash = {
+        .type           = "m25p128",
+        .name           = "spi_flash",
+        .parts          = qnap_ts41x_partitions,
+        .nr_parts       = ARRAY_SIZE(qnap_ts41x_partitions),
+};
+
+static struct spi_board_info __initdata qnap_ts41x_spi_slave_info[] = {
+        {
+                .modalias       = "m25p80",
+                .platform_data  = &qnap_ts41x_flash,
+                .irq            = -1,
+                .max_speed_hz   = 20000000,
+                .bus_num        = 0,
+                .chip_select    = 0,
+        },
+};
+
+static struct i2c_board_info __initdata qnap_ts41x_i2c_rtc = {
+        I2C_BOARD_INFO("s35390a", 0x30),
+};
+
+static struct mv643xx_eth_platform_data qnap_ts41x_ge00_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
+};
+
+static struct mv643xx_eth_platform_data qnap_ts41x_ge01_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
+};
+
+static struct mv_sata_platform_data qnap_ts41x_sata_data = {
+        .n_ports        = 2,
+};
+
+static struct gpio_keys_button qnap_ts41x_buttons[] = {
+        {
+                .code           = KEY_COPY,
+                .gpio           = 43,
+                .desc           = "USB Copy",
+                .active_low     = 1,
+        },
+        {
+                .code           = KEY_RESTART,
+                .gpio           = 37,
+                .desc           = "Reset",
+                .active_low     = 1,
+        },
+};
+
+static struct gpio_keys_platform_data qnap_ts41x_button_data = {
+        .buttons        = qnap_ts41x_buttons,
+        .nbuttons       = ARRAY_SIZE(qnap_ts41x_buttons),
+};
+
+static struct platform_device qnap_ts41x_button_device = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .num_resources  = 0,
+        .dev            = {
+                .platform_data  = &qnap_ts41x_button_data,
+        }
+};
+
+static unsigned int qnap_ts41x_mpp_config[] __initdata = {
+        MPP0_SPI_SCn,
+        MPP1_SPI_MOSI,
+        MPP2_SPI_SCK,
+        MPP3_SPI_MISO,
+        MPP6_SYSRST_OUTn,
+        MPP7_PEX_RST_OUTn,
+        MPP8_TW_SDA,
+        MPP9_TW_SCK,
+        MPP10_UART0_TXD,
+        MPP11_UART0_RXD,
+        MPP13_UART1_TXD,        /* PIC controller */
+        MPP14_UART1_RXD,        /* PIC controller */
+        MPP15_SATA0_ACTn,
+        MPP16_SATA1_ACTn,
+        MPP20_GE1_0,
+        MPP21_GE1_1,
+        MPP22_GE1_2,
+        MPP23_GE1_3,
+        MPP24_GE1_4,
+        MPP25_GE1_5,
+        MPP26_GE1_6,
+        MPP27_GE1_7,
+        MPP30_GE1_10,
+        MPP31_GE1_11,
+        MPP32_GE1_12,
+        MPP33_GE1_13,
+        MPP36_GPIO,             /* RAM: 0: 256 MB, 1: 512 MB */
+        MPP37_GPIO,             /* Reset button */
+        MPP43_GPIO,             /* USB Copy button */
+        MPP44_GPIO,             /* Board ID: 0: TS-419U, 1: TS-419 */
+        MPP45_GPIO,             /* JP1: 0: console, 1: LCD */
+        MPP46_GPIO,             /* External SATA HDD1 error indicator */
+        MPP47_GPIO,             /* External SATA HDD2 error indicator */
+        MPP48_GPIO,             /* External SATA HDD3 error indicator */
+        MPP49_GPIO,             /* External SATA HDD4 error indicator */
+        0
+};
+
+
+/*****************************************************************************
+ * QNAP TS-x19 specific power off method via UART1-attached PIC
+ ****************************************************************************/
+
+#define UART1_REG(x)    (UART1_VIRT_BASE + ((UART_##x) << 2))
+
+void qnap_ts41x_power_off(void)
+{
+        /* 19200 baud divisor */
+        const unsigned divisor = ((kirkwood_tclk + (8 * 19200)) / (16 * 19200));
+
+        pr_info("%s: triggering power-off...\n", __func__);
+
+        /* hijack UART1 and reset into sane state (19200,8n1) */
+        writel(0x83, UART1_REG(LCR));
+        writel(divisor & 0xff, UART1_REG(DLL));
+        writel((divisor >> 8) & 0xff, UART1_REG(DLM));
+        writel(0x03, UART1_REG(LCR));
+        writel(0x00, UART1_REG(IER));
+        writel(0x00, UART1_REG(FCR));
+        writel(0x00, UART1_REG(MCR));
+
+        /* send the power-off command 'A' to PIC */
+        writel('A', UART1_REG(TX));
+}
+
+static void __init qnap_ts41x_init(void)
+{
+        /*
+         * Basic setup. Needs to be called early.
+         */
+        kirkwood_init();
+        kirkwood_mpp_conf(qnap_ts41x_mpp_config);
+
+        kirkwood_uart0_init();
+        kirkwood_uart1_init(); /* A PIC controller is connected here. */
+        spi_register_board_info(qnap_ts41x_spi_slave_info,
+                                ARRAY_SIZE(qnap_ts41x_spi_slave_info));
+        kirkwood_spi_init();
+        kirkwood_i2c_init();
+        i2c_register_board_info(0, &qnap_ts41x_i2c_rtc, 1);
+        kirkwood_ge00_init(&qnap_ts41x_ge00_data);
+        kirkwood_ge01_init(&qnap_ts41x_ge01_data);
+        kirkwood_sata_init(&qnap_ts41x_sata_data);
+        kirkwood_ehci_init();
+        platform_device_register(&qnap_ts41x_button_device);
+
+        pm_power_off = qnap_ts41x_power_off;
+
+}
+
+static int __init ts41x_pci_init(void)
+{
+        if (machine_is_ts41x())
+                kirkwood_pcie_init();
+
+   return 0;
+}
+subsys_initcall(ts41x_pci_init);
+
+MACHINE_START(TS41X, "QNAP TS-41x")
+        /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
+        .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
+        .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+        .boot_params    = 0x00000100,
+        .init_machine   = qnap_ts41x_init,
+        .map_io         = kirkwood_map_io,
+        .init_irq       = kirkwood_init_irq,
+        .timer          = &kirkwood_timer,
+MACHINE_END