[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>

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

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

arch/arm/mach-kirkwood/t5325-setup.c

+/*
+ *
+ * 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