[ARM] Orion: add RD88F5181L-FXO support

This patch adds support for the Marvell Orion-VoIP RD-88F5181L-FXO
Reference Design, and enables use of the ethernet, USB, Cardbus and
mini-PCIe ports.

Signed-off-by: Nicolas Pitre <nico@marvell.com>

3 files changed, 168 insertions, 0 deletions

diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 709e901b9f8..ddcd41b15d1 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -86,6 +86,12 @@ config MACH_RD88F5181L_GE
           Say 'Y' here if you want your kernel to support the
           Marvell Orion-VoIP GE (88F5181L) RD.
 
+config MACH_RD88F5181L_FXO
+        bool "Marvell Orion-VoIP FXO Reference Design"
+        help
+          Say 'Y' here if you want your kernel to support the
+          Marvell Orion-VoIP FXO (88F5181L) RD.
+
 endmenu
 
 endif
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index ec8374a913b..fcc48a8864f 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_MACH_MV2120)	+= mv2120-setup.o
 obj-$(CONFIG_MACH_MSS2)         += mss2-setup.o
 obj-$(CONFIG_MACH_WNR854T)      += wnr854t-setup.o
 obj-$(CONFIG_MACH_RD88F5181L_GE)        += rd88f5181l-ge-setup.o
+obj-$(CONFIG_MACH_RD88F5181L_FXO)       += rd88f5181l-fxo-setup.o
diff --git a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
new file mode 100644
index 00000000000..d50e3650a09
--- /dev/null
+++ b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
@@ -0,0 +1,161 @@
+/*
+ * arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
+ *
+ * Marvell Orion-VoIP FXO Reference Design Setup
+ *
+ * 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/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/leds.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * RD-88F5181L FXO Info
+ ****************************************************************************/
+/*
+ * 8M NOR flash Device bus boot chip select
+ */
+#define RD88F5181L_FXO_NOR_BOOT_BASE            0xff800000
+#define RD88F5181L_FXO_NOR_BOOT_SIZE            SZ_8M
+
+
+/*****************************************************************************
+ * 8M NOR Flash on Device bus Boot chip select
+ ****************************************************************************/
+static struct physmap_flash_data rd88f5181l_fxo_nor_boot_flash_data = {
+        .width          = 1,
+};
+
+static struct resource rd88f5181l_fxo_nor_boot_flash_resource = {
+        .flags          = IORESOURCE_MEM,
+        .start          = RD88F5181L_FXO_NOR_BOOT_BASE,
+        .end            = RD88F5181L_FXO_NOR_BOOT_BASE +
+                          RD88F5181L_FXO_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device rd88f5181l_fxo_nor_boot_flash = {
+        .name                   = "physmap-flash",
+        .id                     = 0,
+        .dev            = {
+                .platform_data  = &rd88f5181l_fxo_nor_boot_flash_data,
+        },
+        .num_resources          = 1,
+        .resource               = &rd88f5181l_fxo_nor_boot_flash_resource,
+};
+
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode rd88f5181l_fxo_mpp_modes[] __initdata = {
+        {  0, MPP_GPIO },               /* LED1 CardBus LED (front panel) */
+        {  1, MPP_GPIO },               /* PCI_intA */
+        {  2, MPP_GPIO },               /* Hard Reset / Factory Init*/
+        {  3, MPP_GPIO },               /* FXS or DAA select */
+        {  4, MPP_GPIO },               /* LED6 - phone LED (front panel) */
+        {  5, MPP_GPIO },               /* LED5 - phone LED (front panel) */
+        {  6, MPP_PCI_CLK },            /* CPU PCI refclk */
+        {  7, MPP_PCI_CLK },            /* PCI/PCIe refclk */
+        {  8, MPP_GPIO },               /* CardBus reset */
+        {  9, MPP_GPIO },               /* GE_RXERR */
+        { 10, MPP_GPIO },               /* LED2 MiniPCI LED (front panel) */
+        { 11, MPP_GPIO },               /* Lifeline control */
+        { 12, MPP_GIGE },               /* GE_TXD[4] */
+        { 13, MPP_GIGE },               /* GE_TXD[5] */
+        { 14, MPP_GIGE },               /* GE_TXD[6] */
+        { 15, MPP_GIGE },               /* GE_TXD[7] */
+        { 16, MPP_GIGE },               /* GE_RXD[4] */
+        { 17, MPP_GIGE },               /* GE_RXD[5] */
+        { 18, MPP_GIGE },               /* GE_RXD[6] */
+        { 19, MPP_GIGE },               /* GE_RXD[7] */
+        { -1 },
+};
+
+static struct mv643xx_eth_platform_data rd88f5181l_fxo_eth_data = {
+        .phy_addr       = -1,
+};
+
+static void __init rd88f5181l_fxo_init(void)
+{
+        /*
+         * Setup basic Orion functions. Need to be called early.
+         */
+        orion5x_init();
+
+        orion5x_mpp_conf(rd88f5181l_fxo_mpp_modes);
+
+        /*
+         * Configure peripherals.
+         */
+        orion5x_ehci0_init();
+        orion5x_eth_init(&rd88f5181l_fxo_eth_data);
+        orion5x_uart0_init();
+
+        orion5x_setup_dev_boot_win(RD88F5181L_FXO_NOR_BOOT_BASE,
+                                   RD88F5181L_FXO_NOR_BOOT_SIZE);
+        platform_device_register(&rd88f5181l_fxo_nor_boot_flash);
+}
+
+static int __init
+rd88f5181l_fxo_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+        int irq;
+
+        /*
+         * Check for devices with hard-wired IRQs.
+         */
+        irq = orion5x_pci_map_irq(dev, slot, pin);
+        if (irq != -1)
+                return irq;
+
+        /*
+         * Mini-PCI / Cardbus slot.
+         */
+        return gpio_to_irq(1);
+}
+
+static struct hw_pci rd88f5181l_fxo_pci __initdata = {
+        .nr_controllers = 2,
+        .swizzle        = pci_std_swizzle,
+        .setup          = orion5x_pci_sys_setup,
+        .scan           = orion5x_pci_sys_scan_bus,
+        .map_irq        = rd88f5181l_fxo_pci_map_irq,
+};
+
+static int __init rd88f5181l_fxo_pci_init(void)
+{
+        if (machine_is_rd88f5181l_fxo()) {
+                orion5x_pci_set_cardbus_mode();
+                pci_common_init(&rd88f5181l_fxo_pci);
+        }
+
+        return 0;
+}
+subsys_initcall(rd88f5181l_fxo_pci_init);
+
+MACHINE_START(RD88F5181L_FXO, "Marvell Orion-VoIP FXO Reference Design")
+        /* Maintainer: Nicolas Pitre <nico@marvell.com> */
+        .phys_io        = ORION5X_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+        .boot_params    = 0x00000100,
+        .init_machine   = rd88f5181l_fxo_init,
+        .map_io         = orion5x_map_io,
+        .init_irq       = orion5x_init_irq,
+        .timer          = &orion5x_timer,
+        .fixup          = tag_fixup_mem32,
+MACHINE_END