[ARM] Orion: Buffalo/Revogear Kurobox Pro support

Only serial, NOR, NAND, PCI and Ethernet is activated at the moment.

Signed-off-by: Ronen Shitrit <rshitrit@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Reviewed-by: Nicolas Pitre <nico@marvell.com>
Reviewed-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 242 insertions, 0 deletions

diff --git a/arch/arm/mach-orion/Kconfig b/arch/arm/mach-orion/Kconfig
index 73d9f9aa283f..dc929511837f 100644
--- a/arch/arm/mach-orion/Kconfig
+++ b/arch/arm/mach-orion/Kconfig
@@ -16,6 +16,13 @@ config MACH_RD88F5182
           Say 'Y' here if you want your kernel to support the
           Marvell Orion-NAS (88F5182) RD2
 
+config MACH_KUROBOX_PRO
+        bool "KuroBox Pro"
+        select I2C_BOARDINFO
+        help
+          Say 'Y' here if you want your kernel to support the
+          KuroBox Pro platform.
+
 endmenu
 
 endif
diff --git a/arch/arm/mach-orion/Makefile b/arch/arm/mach-orion/Makefile
index 1cbdd7513120..caf20ff921d8 100644
--- a/arch/arm/mach-orion/Makefile
+++ b/arch/arm/mach-orion/Makefile
@@ -1,3 +1,4 @@
 obj-y                           += common.o addr-map.o pci.o gpio.o irq.o time.o
 obj-$(CONFIG_MACH_DB88F5281)    += db88f5281-setup.o
 obj-$(CONFIG_MACH_RD88F5182)    += rd88f5182-setup.o
+obj-$(CONFIG_MACH_KUROBOX_PRO)  += kurobox_pro-setup.o
diff --git a/arch/arm/mach-orion/kurobox_pro-setup.c b/arch/arm/mach-orion/kurobox_pro-setup.c
new file mode 100644
index 000000000000..2d812ed6b5c7
--- /dev/null
+++ b/arch/arm/mach-orion/kurobox_pro-setup.c
@@ -0,0 +1,234 @@
+/*
+ * arch/arm/mach-orion/kurobox_pro-setup.c
+ *
+ * Maintainer: Ronen Shitrit <rshitrit@marvell.com>
+ *
+ * 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.
+ */
+
+#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/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion.h>
+#include <asm/arch/platform.h>
+#include "common.h"
+
+/*****************************************************************************
+ * KUROBOX-PRO Info
+ ****************************************************************************/
+
+/*
+ * 256K NOR flash Device bus boot chip select
+ */
+
+#define KUROBOX_PRO_NOR_BOOT_BASE       0xf4000000
+#define KUROBOX_PRO_NOR_BOOT_SIZE       SZ_256K
+
+/*
+ * 256M NAND flash on Device bus chip select 1
+ */
+
+#define KUROBOX_PRO_NAND_BASE           0xfc000000
+#define KUROBOX_PRO_NAND_SIZE           SZ_2M
+
+/*****************************************************************************
+ * 256MB NAND Flash on Device bus CS0
+ ****************************************************************************/
+
+static struct mtd_partition kurobox_pro_nand_parts[] = {
+        {
+                .name   = "uImage",
+                .offset = 0,
+                .size   = SZ_4M,
+        },
+        {
+                .name   = "rootfs",
+                .offset = SZ_4M,
+                .size   = SZ_64M,
+        },
+        {
+                .name   = "extra",
+                .offset = SZ_4M + SZ_64M,
+                .size   = SZ_256M - (SZ_4M + SZ_64M),
+        },
+};
+
+static struct resource kurobox_pro_nand_resource = {
+        .flags          = IORESOURCE_MEM,
+        .start          = KUROBOX_PRO_NAND_BASE,
+        .end            = KUROBOX_PRO_NAND_BASE + KUROBOX_PRO_NAND_SIZE - 1,
+};
+
+static struct orion_nand_data kurobox_pro_nand_data = {
+        .parts          = kurobox_pro_nand_parts,
+        .nr_parts       = ARRAY_SIZE(kurobox_pro_nand_parts),
+        .cle            = 0,
+        .ale            = 1,
+        .width          = 8,
+};
+
+static struct platform_device kurobox_pro_nand_flash = {
+        .name           = "orion_nand",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &kurobox_pro_nand_data,
+        },
+        .resource       = &kurobox_pro_nand_resource,
+        .num_resources  = 1,
+};
+
+/*****************************************************************************
+ * 256KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+static struct physmap_flash_data kurobox_pro_nor_flash_data = {
+        .width          = 1,
+};
+
+static struct resource kurobox_pro_nor_flash_resource = {
+        .flags                  = IORESOURCE_MEM,
+        .start                  = KUROBOX_PRO_NOR_BOOT_BASE,
+        .end                    = KUROBOX_PRO_NOR_BOOT_BASE + KUROBOX_PRO_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device kurobox_pro_nor_flash = {
+        .name                   = "physmap-flash",
+        .id                     = 0,
+        .dev            = {
+                .platform_data  = &kurobox_pro_nor_flash_data,
+        },
+        .num_resources          = 1,
+        .resource               = &kurobox_pro_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * PCI
+ ****************************************************************************/
+
+static int __init kurobox_pro_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+        /*
+         * PCI isn't used on the Kuro
+         */
+        if (dev->bus->number == orion_pcie_local_bus_nr())
+                return IRQ_ORION_PCIE0_INT;
+        else
+                printk(KERN_ERR "kurobox_pro_pci_map_irq failed, unknown bus\n");
+
+        return -1;
+}
+
+static struct hw_pci kurobox_pro_pci __initdata = {
+        .nr_controllers = 1,
+        .swizzle        = pci_std_swizzle,
+        .setup          = orion_pci_sys_setup,
+        .scan           = orion_pci_sys_scan_bus,
+        .map_irq        = kurobox_pro_pci_map_irq,
+};
+
+static int __init kurobox_pro_pci_init(void)
+{
+        if (machine_is_kurobox_pro())
+                pci_common_init(&kurobox_pro_pci);
+
+        return 0;
+}
+
+subsys_initcall(kurobox_pro_pci_init);
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data kurobox_pro_eth_data = {
+        .phy_addr       = 8,
+        .force_phy_addr = 1,
+};
+
+/*****************************************************************************
+ * RTC 5C372a on I2C bus
+ ****************************************************************************/
+static struct i2c_board_info __initdata kurobox_pro_i2c_rtc = {
+       .driver_name    = "rtc-rs5c372",
+       .type           = "rs5c372a",
+       .addr           = 0x32,
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static struct platform_device *kurobox_pro_devices[] __initdata = {
+        &kurobox_pro_nor_flash,
+        &kurobox_pro_nand_flash,
+};
+
+static void __init kurobox_pro_init(void)
+{
+        /*
+         * Setup basic Orion functions. Need to be called early.
+         */
+        orion_init();
+
+        /*
+         * Setup the CPU address decode windows for our devices
+         */
+        orion_setup_cpu_win(ORION_DEV_BOOT, KUROBOX_PRO_NOR_BOOT_BASE,
+                                KUROBOX_PRO_NOR_BOOT_SIZE, -1);
+        orion_setup_cpu_win(ORION_DEV0, KUROBOX_PRO_NAND_BASE,
+                                KUROBOX_PRO_NAND_SIZE, -1);
+        /*
+         * Open a special address decode windows for the PCIE WA.
+         */
+        orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
+        orion_write(ORION_REGS_BASE | 0x20070, (0x7941 |
+                (((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
+
+        /*
+         * Setup Multiplexing Pins --
+         * MPP[0-1] Not used
+         * MPP[2] GPIO Micon
+         * MPP[3] GPIO RTC
+         * MPP[4-5] Not used
+         * MPP[6] Nand Flash REn
+         * MPP[7] Nand Flash WEn
+         * MPP[8-11] Not used
+         * MPP[12] SATA 0 presence Indication
+         * MPP[13] SATA 1 presence Indication
+         * MPP[14] SATA 0 active Indication
+         * MPP[15] SATA 1 active indication
+         * MPP[16-19] Not used
+         */
+        orion_write(MPP_0_7_CTRL, 0x44220003);
+        orion_write(MPP_8_15_CTRL, 0x55550000);
+        orion_write(MPP_16_19_CTRL, 0x0);
+
+        orion_gpio_set_valid_pins(0x0000000c);
+
+        platform_add_devices(kurobox_pro_devices, ARRAY_SIZE(kurobox_pro_devices));
+        i2c_register_board_info(0, &kurobox_pro_i2c_rtc, 1);
+        orion_eth_init(&kurobox_pro_eth_data);
+}
+
+MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro")
+        /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
+        .phys_io        = ORION_REGS_BASE,
+        .io_pg_offst    = ((ORION_REGS_BASE) >> 18) & 0xFFFC,
+        .boot_params    = 0x00000100,
+        .init_machine   = kurobox_pro_init,
+        .map_io         = orion_map_io,
+        .init_irq       = orion_init_irq,
+        .timer          = &orion_timer,
+MACHINE_END