1/*
  2 * arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
  3 *
  4 * Marvell Orion-VoIP FXO Reference Design Setup
  5 *
  6 * This file is licensed under the terms of the GNU General Public
  7 * License version 2.  This program is licensed "as is" without any
  8 * warranty of any kind, whether express or implied.
  9 */
 10#include <linux/gpio.h>
 11#include <linux/kernel.h>
 12#include <linux/init.h>
 13#include <linux/platform_device.h>
 14#include <linux/pci.h>
 15#include <linux/irq.h>
 16#include <linux/mtd/physmap.h>
 17#include <linux/mv643xx_eth.h>
 18#include <linux/ethtool.h>
 19#include <net/dsa.h>
 20#include <asm/mach-types.h>
 21#include <asm/mach/arch.h>
 22#include <asm/mach/pci.h>
 23#include "common.h"
 24#include "mpp.h"
 25#include "orion5x.h"
 26
 27/*****************************************************************************
 28 * RD-88F5181L FXO Info
 29 ****************************************************************************/
 30/*
 31 * 8M NOR flash Device bus boot chip select
 32 */
 33#define RD88F5181L_FXO_NOR_BOOT_BASE		0xff800000
 34#define RD88F5181L_FXO_NOR_BOOT_SIZE		SZ_8M
 35
 36
 37/*****************************************************************************
 38 * 8M NOR Flash on Device bus Boot chip select
 39 ****************************************************************************/
 40static struct physmap_flash_data rd88f5181l_fxo_nor_boot_flash_data = {
 41	.width		= 1,
 42};
 43
 44static struct resource rd88f5181l_fxo_nor_boot_flash_resource = {
 45	.flags		= IORESOURCE_MEM,
 46	.start		= RD88F5181L_FXO_NOR_BOOT_BASE,
 47	.end		= RD88F5181L_FXO_NOR_BOOT_BASE +
 48			  RD88F5181L_FXO_NOR_BOOT_SIZE - 1,
 49};
 50
 51static struct platform_device rd88f5181l_fxo_nor_boot_flash = {
 52	.name			= "physmap-flash",
 53	.id			= 0,
 54	.dev		= {
 55		.platform_data	= &rd88f5181l_fxo_nor_boot_flash_data,
 56	},
 57	.num_resources		= 1,
 58	.resource		= &rd88f5181l_fxo_nor_boot_flash_resource,
 59};
 60
 61
 62/*****************************************************************************
 63 * General Setup
 64 ****************************************************************************/
 65static unsigned int rd88f5181l_fxo_mpp_modes[] __initdata = {
 66	MPP0_GPIO,		/* LED1 CardBus LED (front panel) */
 67	MPP1_GPIO,		/* PCI_intA */
 68	MPP2_GPIO,		/* Hard Reset / Factory Init*/
 69	MPP3_GPIO,		/* FXS or DAA select */
 70	MPP4_GPIO,		/* LED6 - phone LED (front panel) */
 71	MPP5_GPIO,		/* LED5 - phone LED (front panel) */
 72	MPP6_PCI_CLK,		/* CPU PCI refclk */
 73	MPP7_PCI_CLK,		/* PCI/PCIe refclk */
 74	MPP8_GPIO,		/* CardBus reset */
 75	MPP9_GPIO,		/* GE_RXERR */
 76	MPP10_GPIO,		/* LED2 MiniPCI LED (front panel) */
 77	MPP11_GPIO,		/* Lifeline control */
 78	MPP12_GIGE,		/* GE_TXD[4] */
 79	MPP13_GIGE,		/* GE_TXD[5] */
 80	MPP14_GIGE,		/* GE_TXD[6] */
 81	MPP15_GIGE,		/* GE_TXD[7] */
 82	MPP16_GIGE,		/* GE_RXD[4] */
 83	MPP17_GIGE,		/* GE_RXD[5] */
 84	MPP18_GIGE,		/* GE_RXD[6] */
 85	MPP19_GIGE,		/* GE_RXD[7] */
 86	0,
 87};
 88
 89static struct mv643xx_eth_platform_data rd88f5181l_fxo_eth_data = {
 90	.phy_addr	= MV643XX_ETH_PHY_NONE,
 91	.speed		= SPEED_1000,
 92	.duplex		= DUPLEX_FULL,
 93};
 94
 95static struct dsa_chip_data rd88f5181l_fxo_switch_chip_data = {
 96	.port_names[0]	= "lan2",
 97	.port_names[1]	= "lan1",
 98	.port_names[2]	= "wan",
 99	.port_names[3]	= "cpu",
100	.port_names[5]	= "lan4",
101	.port_names[7]	= "lan3",
102};
103
104static struct dsa_platform_data rd88f5181l_fxo_switch_plat_data = {
105	.nr_chips	= 1,
106	.chip		= &rd88f5181l_fxo_switch_chip_data,
107};
108
109static void __init rd88f5181l_fxo_init(void)
110{
111	/*
112	 * Setup basic Orion functions. Need to be called early.
113	 */
114	orion5x_init();
115
116	orion5x_mpp_conf(rd88f5181l_fxo_mpp_modes);
117
118	/*
119	 * Configure peripherals.
120	 */
121	orion5x_ehci0_init();
122	orion5x_eth_init(&rd88f5181l_fxo_eth_data);
123	orion5x_eth_switch_init(&rd88f5181l_fxo_switch_plat_data, NO_IRQ);
124	orion5x_uart0_init();
125
126	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
127				    ORION_MBUS_DEVBUS_BOOT_ATTR,
128				    RD88F5181L_FXO_NOR_BOOT_BASE,
129				    RD88F5181L_FXO_NOR_BOOT_SIZE);
130	platform_device_register(&rd88f5181l_fxo_nor_boot_flash);
131}
132
133static int __init
134rd88f5181l_fxo_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
135{
136	int irq;
137
138	/*
139	 * Check for devices with hard-wired IRQs.
140	 */
141	irq = orion5x_pci_map_irq(dev, slot, pin);
142	if (irq != -1)
143		return irq;
144
145	/*
146	 * Mini-PCI / Cardbus slot.
147	 */
148	return gpio_to_irq(1);
149}
150
151static struct hw_pci rd88f5181l_fxo_pci __initdata = {
152	.nr_controllers	= 2,
153	.setup		= orion5x_pci_sys_setup,
154	.scan		= orion5x_pci_sys_scan_bus,
155	.map_irq	= rd88f5181l_fxo_pci_map_irq,
156};
157
158static int __init rd88f5181l_fxo_pci_init(void)
159{
160	if (machine_is_rd88f5181l_fxo()) {
161		orion5x_pci_set_cardbus_mode();
162		pci_common_init(&rd88f5181l_fxo_pci);
163	}
164
165	return 0;
166}
167subsys_initcall(rd88f5181l_fxo_pci_init);
168
169MACHINE_START(RD88F5181L_FXO, "Marvell Orion-VoIP FXO Reference Design")
170	/* Maintainer: Nicolas Pitre <nico@marvell.com> */
171	.atag_offset	= 0x100,
172	.nr_irqs	= ORION5X_NR_IRQS,
173	.init_machine	= rd88f5181l_fxo_init,
174	.map_io		= orion5x_map_io,
175	.init_early	= orion5x_init_early,
176	.init_irq	= orion5x_init_irq,
177	.init_time	= orion5x_timer_init,
178	.fixup		= tag_fixup_mem32,
179	.restart	= orion5x_restart,
180MACHINE_END