[ARM] Orion: add LaCie Ethernet Disk mini V2 support
This patch adds support for the LaCie Ethernet Disk mini V2.
Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
Signed-off-by: Christopher Moore <moore@free.fr>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
diff --git a/arch/arm/mach-orion5x/edmini_v2-setup.c b/arch/arm/mach-orion5x/edmini_v2-setup.c
new file mode 100644
index 0000000..2d67591
--- /dev/null
+++ b/arch/arm/mach-orion5x/edmini_v2-setup.c
@@ -0,0 +1,202 @@
+/*
+ * arch/arm/mach-orion5x/edmini_v2-setup.c
+ *
+ * LaCie Ethernet Disk mini V2 Setup
+ *
+ * Copyright (C) 2008 Christopher Moore <moore@free.fr>
+ * Copyright (C) 2008 Albert Aribaud <albert.aribaud@free.fr>
+ *
+ * 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.
+ */
+
+/*
+ * TODO: add Orion USB device port init when kernel.org support is added.
+ * TODO: add flash write support: see below.
+ * TODO: add power-off support.
+ * TODO: add I2C EEPROM support.
+ */
+
+#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/i2c.h>
+#include <linux/ata_platform.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <mach/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * EDMINI_V2 Info
+ ****************************************************************************/
+
+/*
+ * 512KB NOR flash Device bus boot chip select
+ */
+
+#define EDMINI_V2_NOR_BOOT_BASE 0xfff80000
+#define EDMINI_V2_NOR_BOOT_SIZE SZ_512K
+
+/*****************************************************************************
+ * 512KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+/*
+ * Currently the MTD code does not recognize the MX29LV400CBCT as a bottom
+ * -type device. This could cause risks of accidentally erasing critical
+ * flash sectors. We thus define a single, write-protected partition covering
+ * the whole flash.
+ * TODO: once the flash part TOP/BOTTOM detection issue is sorted out in the MTD
+ * code, break this into at least three partitions: 'u-boot code', 'u-boot
+ * environment' and 'whatever is left'.
+ */
+
+static struct mtd_partition edmini_v2_partitions[] = {
+ {
+ .name = "Full512kb",
+ .size = 0x00080000,
+ .offset = 0x00000000,
+ .mask_flags = MTD_WRITEABLE,
+ },
+};
+
+static struct physmap_flash_data edmini_v2_nor_flash_data = {
+ .width = 1,
+ .parts = edmini_v2_partitions,
+ .nr_parts = ARRAY_SIZE(edmini_v2_partitions),
+};
+
+static struct resource edmini_v2_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = EDMINI_V2_NOR_BOOT_BASE,
+ .end = EDMINI_V2_NOR_BOOT_BASE
+ + EDMINI_V2_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device edmini_v2_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &edmini_v2_nor_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &edmini_v2_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data edmini_v2_eth_data = {
+ .phy_addr = 8,
+};
+
+/*****************************************************************************
+ * RTC 5C372a on I2C bus
+ ****************************************************************************/
+
+#define EDMINIV2_RTC_GPIO 3
+
+static struct i2c_board_info __initdata edmini_v2_i2c_rtc = {
+ I2C_BOARD_INFO("rs5c372a", 0x32),
+ .irq = 0,
+};
+
+/*****************************************************************************
+ * Sata
+ ****************************************************************************/
+
+static struct mv_sata_platform_data edmini_v2_sata_data = {
+ .n_ports = 2,
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode edminiv2_mpp_modes[] __initdata = {
+ { 0, MPP_UNUSED },
+ { 1, MPP_UNUSED },
+ { 2, MPP_UNUSED },
+ { 3, MPP_GPIO }, /* RTC interrupt */
+ { 4, MPP_UNUSED },
+ { 5, MPP_UNUSED },
+ { 6, MPP_UNUSED },
+ { 7, MPP_UNUSED },
+ { 8, MPP_UNUSED },
+ { 9, MPP_UNUSED },
+ { 10, MPP_UNUSED },
+ { 11, MPP_UNUSED },
+ { 12, MPP_SATA_LED }, /* SATA 0 presence */
+ { 13, MPP_SATA_LED }, /* SATA 1 presence */
+ { 14, MPP_SATA_LED }, /* SATA 0 active */
+ { 15, MPP_SATA_LED }, /* SATA 1 active */
+ /* 16: Power LED control (0 = On, 1 = Off) */
+ { 16, MPP_GPIO },
+ /* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */
+ { 17, MPP_GPIO },
+ /* 18: Power button status (0 = Released, 1 = Pressed) */
+ { 18, MPP_GPIO },
+ { 19, MPP_UNUSED },
+ { -1 }
+};
+
+static void __init edmini_v2_init(void)
+{
+ /*
+ * Setup basic Orion functions. Need to be called early.
+ */
+ orion5x_init();
+
+ orion5x_mpp_conf(edminiv2_mpp_modes);
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_eth_init(&edmini_v2_eth_data);
+ orion5x_i2c_init();
+ orion5x_sata_init(&edmini_v2_sata_data);
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(EDMINI_V2_NOR_BOOT_BASE,
+ EDMINI_V2_NOR_BOOT_SIZE);
+ platform_device_register(&edmini_v2_nor_flash);
+
+ pr_notice("edmini_v2: USB device port, flash write and power-off "
+ "are not yet supported.\n");
+
+ /* Get RTC IRQ and register the chip */
+ if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) {
+ if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0)
+ edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO);
+ else
+ gpio_free(EDMINIV2_RTC_GPIO);
+ }
+
+ if (edmini_v2_i2c_rtc.irq == 0)
+ pr_warning("edmini_v2: failed to get RTC IRQ\n");
+
+ i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1);
+}
+
+/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
+MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2")
+ /* Maintainer: Christopher Moore <moore@free.fr> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = edmini_v2_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32,
+MACHINE_END