[ARM] Kirkwood: Add support for HP t5325 Thin Client

Add support for the HP t5325 Thin Client.  This thin client is based
on a Marvell Kirkwood chip at 1.2 GHz and features 512 MB RAM, 512 MB
SATA-attached flash and an XGI Volari Z11 GPU.

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

3 files changed, 201 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 29b2163b1fe..427827107b4 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -99,6 +99,12 @@ config MACH_NET5BIG_V2
           Say 'Y' here if you want your kernel to support the
           LaCie 5Big Network v2 NAS.
 
+config MACH_T5325
+        bool "HP t5325 Thin Client"
+        help
+          Say 'Y' here if you want your kernel to support the
+          HP t5325 Thin Client.
+
 endmenu
 
 endif
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index c0cd5d36200..b7c5d5e62bc 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -14,5 +14,6 @@ obj-$(CONFIG_MACH_NETSPACE_V2)		+= netspace_v2-setup.o
 obj-$(CONFIG_MACH_INETSPACE_V2)         += netspace_v2-setup.o
 obj-$(CONFIG_MACH_NET2BIG_V2)           += netxbig_v2-setup.o
 obj-$(CONFIG_MACH_NET5BIG_V2)           += netxbig_v2-setup.o
+obj-$(CONFIG_MACH_T5325)                += t5325-setup.o
 
 obj-$(CONFIG_CPU_IDLE)                  += cpuidle.o
diff --git a/arch/arm/mach-kirkwood/t5325-setup.c b/arch/arm/mach-kirkwood/t5325-setup.c
new file mode 100644
index 00000000000..ad1e0f1fb1e
--- /dev/null
+++ b/arch/arm/mach-kirkwood/t5325-setup.c
@@ -0,0 +1,194 @@
+/*
+ *
+ * HP t5325 Thin Client setup
+ *
+ * Copyright (C) 2010  Martin Michlmayr <tbm@cyrius.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.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/kirkwood.h>
+#include "common.h"
+#include "mpp.h"
+
+struct mtd_partition hp_t5325_partitions[] = {
+        {
+                .name           = "u-boot env",
+                .size           = SZ_64K,
+                .offset         = SZ_512K + SZ_256K,
+        },
+        {
+                .name           = "permanent u-boot env",
+                .size           = SZ_64K,
+                .offset         = MTDPART_OFS_APPEND,
+                .mask_flags     = MTD_WRITEABLE,
+        },
+        {
+                .name           = "HP env",
+                .size           = SZ_64K,
+                .offset         = MTDPART_OFS_APPEND,
+        },
+        {
+                .name           = "u-boot",
+                .size           = SZ_512K,
+                .offset         = 0,
+                .mask_flags     = MTD_WRITEABLE,
+        },
+        {
+                .name           = "SSD firmware",
+                .size           = SZ_256K,
+                .offset         = SZ_512K,
+        },
+};
+
+const struct flash_platform_data hp_t5325_flash = {
+        .type           = "mx25l8005",
+        .name           = "spi_flash",
+        .parts          = hp_t5325_partitions,
+        .nr_parts       = ARRAY_SIZE(hp_t5325_partitions),
+};
+
+struct spi_board_info __initdata hp_t5325_spi_slave_info[] = {
+        {
+                .modalias       = "m25p80",
+                .platform_data  = &hp_t5325_flash,
+                .irq            = -1,
+        },
+};
+
+static struct mv643xx_eth_platform_data hp_t5325_ge00_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
+};
+
+static struct mv_sata_platform_data hp_t5325_sata_data = {
+        .n_ports        = 2,
+};
+
+static struct gpio_keys_button hp_t5325_buttons[] = {
+        {
+                .code           = KEY_POWER,
+                .gpio           = 45,
+                .desc           = "Power",
+                .active_low     = 1,
+        },
+};
+
+static struct gpio_keys_platform_data hp_t5325_button_data = {
+        .buttons        = hp_t5325_buttons,
+        .nbuttons       = ARRAY_SIZE(hp_t5325_buttons),
+};
+
+static struct platform_device hp_t5325_button_device = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .num_resources  = 0,
+        .dev            = {
+                .platform_data  = &hp_t5325_button_data,
+        }
+};
+
+static unsigned int hp_t5325_mpp_config[] __initdata = {
+        MPP0_NF_IO2,
+        MPP1_SPI_MOSI,
+        MPP2_SPI_SCK,
+        MPP3_SPI_MISO,
+        MPP4_NF_IO6,
+        MPP5_NF_IO7,
+        MPP6_SYSRST_OUTn,
+        MPP7_SPI_SCn,
+        MPP8_TW_SDA,
+        MPP9_TW_SCK,
+        MPP10_UART0_TXD,
+        MPP11_UART0_RXD,
+        MPP12_SD_CLK,
+        MPP13_GPIO,
+        MPP14_GPIO,
+        MPP15_GPIO,
+        MPP16_GPIO,
+        MPP17_GPIO,
+        MPP18_NF_IO0,
+        MPP19_NF_IO1,
+        MPP20_GPIO,
+        MPP21_GPIO,
+        MPP22_GPIO,
+        MPP23_GPIO,
+        MPP32_GPIO,
+        MPP33_GE1_13,
+        MPP39_AUDIO_I2SBCLK,
+        MPP40_AUDIO_I2SDO,
+        MPP41_AUDIO_I2SLRC,
+        MPP42_AUDIO_I2SMCLK,
+        MPP45_GPIO,             /* Power button */
+        MPP48_GPIO,             /* Board power off */
+        0
+};
+
+#define HP_T5325_GPIO_POWER_OFF         48
+
+static void hp_t5325_power_off(void)
+{
+        gpio_set_value(HP_T5325_GPIO_POWER_OFF, 1);
+}
+
+static void __init hp_t5325_init(void)
+{
+        /*
+         * Basic setup. Needs to be called early.
+         */
+        kirkwood_init();
+        kirkwood_mpp_conf(hp_t5325_mpp_config);
+
+        kirkwood_uart0_init();
+        spi_register_board_info(hp_t5325_spi_slave_info,
+                                ARRAY_SIZE(hp_t5325_spi_slave_info));
+        kirkwood_spi_init();
+        kirkwood_i2c_init();
+        kirkwood_ge00_init(&hp_t5325_ge00_data);
+        kirkwood_sata_init(&hp_t5325_sata_data);
+        kirkwood_ehci_init();
+        platform_device_register(&hp_t5325_button_device);
+
+        if (gpio_request(HP_T5325_GPIO_POWER_OFF, "power-off") == 0 &&
+            gpio_direction_output(HP_T5325_GPIO_POWER_OFF, 0) == 0)
+                pm_power_off = hp_t5325_power_off;
+        else
+                pr_err("t5325: failed to configure power-off GPIO\n");
+}
+
+static int __init hp_t5325_pci_init(void)
+{
+        if (machine_is_t5325())
+                kirkwood_pcie_init();
+
+        return 0;
+}
+subsys_initcall(hp_t5325_pci_init);
+
+MACHINE_START(T5325, "HP t5325 Thin Client")
+        /* 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   = hp_t5325_init,
+        .map_io         = kirkwood_map_io,
+        .init_irq       = kirkwood_init_irq,
+        .timer          = &kirkwood_timer,
+MACHINE_END