[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>

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

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

arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c

+/*
+ * 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