rd88f5181l-ge-setup.c

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/*
 * arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
 *
 * Marvell Orion-VoIP GE 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/gpio.h>
#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/ethtool.h>
#include <linux/i2c.h>
#include <net/dsa.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"

/*****************************************************************************
 * RD-88F5181L GE Info
 ****************************************************************************/
/*
 * 16M NOR flash Device bus boot chip select
 */
#define RD88F5181L_GE_NOR_BOOT_BASE     0xff000000
#define RD88F5181L_GE_NOR_BOOT_SIZE     SZ_16M


/*****************************************************************************
 * 16M NOR Flash on Device bus Boot chip select
 ****************************************************************************/
static struct physmap_flash_data rd88f5181l_ge_nor_boot_flash_data = {
    .width      = 1,
};

static struct resource rd88f5181l_ge_nor_boot_flash_resource = {
    .flags      = IORESOURCE_MEM,
    .start      = RD88F5181L_GE_NOR_BOOT_BASE,
    .end        = RD88F5181L_GE_NOR_BOOT_BASE +
              RD88F5181L_GE_NOR_BOOT_SIZE - 1,
};

static struct platform_device rd88f5181l_ge_nor_boot_flash = {
    .name           = "physmap-flash",
    .id         = 0,
    .dev        = {
        .platform_data  = &rd88f5181l_ge_nor_boot_flash_data,
    },
    .num_resources      = 1,
    .resource       = &rd88f5181l_ge_nor_boot_flash_resource,
};


/*****************************************************************************
 * General Setup
 ****************************************************************************/
static unsigned int rd88f5181l_ge_mpp_modes[] __initdata = {
    MPP0_GPIO,      /* LED1 */
    MPP1_GPIO,      /* LED5 */
    MPP2_GPIO,      /* LED4 */
    MPP3_GPIO,      /* LED3 */
    MPP4_GPIO,      /* PCI_intA */
    MPP5_GPIO,      /* RTC interrupt */
    MPP6_PCI_CLK,       /* CPU PCI refclk */
    MPP7_PCI_CLK,       /* PCI/PCIe refclk */
    MPP8_GPIO,      /* 88e6131 interrupt */
    MPP9_GPIO,      /* GE_RXERR */
    MPP10_GPIO,     /* PCI_intB */
    MPP11_GPIO,     /* LED2 */
    MPP12_GIGE,     /* GE_TXD[4] */
    MPP13_GIGE,     /* GE_TXD[5] */
    MPP14_GIGE,     /* GE_TXD[6] */
    MPP15_GIGE,     /* GE_TXD[7] */
    MPP16_GIGE,     /* GE_RXD[4] */
    MPP17_GIGE,     /* GE_RXD[5] */
    MPP18_GIGE,     /* GE_RXD[6] */
    MPP19_GIGE,     /* GE_RXD[7] */
    0,
};

static struct mv643xx_eth_platform_data rd88f5181l_ge_eth_data = {
    .phy_addr   = MV643XX_ETH_PHY_NONE,
    .speed      = SPEED_1000,
    .duplex     = DUPLEX_FULL,
};

static struct dsa_chip_data rd88f5181l_ge_switch_chip_data = {
    .port_names[0]  = "lan2",
    .port_names[1]  = "lan1",
    .port_names[2]  = "wan",
    .port_names[3]  = "cpu",
    .port_names[5]  = "lan4",
    .port_names[7]  = "lan3",
};

static struct dsa_platform_data rd88f5181l_ge_switch_plat_data = {
    .nr_chips   = 1,
    .chip       = &rd88f5181l_ge_switch_chip_data,
};

static struct i2c_board_info __initdata rd88f5181l_ge_i2c_rtc = {
    I2C_BOARD_INFO("ds1338", 0x68),
};

static void __init rd88f5181l_ge_init(void)
{
    /*
     * Setup basic Orion functions. Need to be called early.
     */
    orion5x_init();

    orion5x_mpp_conf(rd88f5181l_ge_mpp_modes);

    /*
     * Configure peripherals.
     */
    orion5x_ehci0_init();
    orion5x_eth_init(&rd88f5181l_ge_eth_data);
    orion5x_eth_switch_init(&rd88f5181l_ge_switch_plat_data,
                gpio_to_irq(8));
    orion5x_i2c_init();
    orion5x_uart0_init();

    orion5x_setup_dev_boot_win(RD88F5181L_GE_NOR_BOOT_BASE,
                   RD88F5181L_GE_NOR_BOOT_SIZE);
    platform_device_register(&rd88f5181l_ge_nor_boot_flash);

    i2c_register_board_info(0, &rd88f5181l_ge_i2c_rtc, 1);
}

static int __init
rd88f5181l_ge_pci_map_irq(const 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;

    /*
     * Cardbus slot.
     */
    if (pin == 1)
        return gpio_to_irq(4);
    else
        return gpio_to_irq(10);
}

static struct hw_pci rd88f5181l_ge_pci __initdata = {
    .nr_controllers = 2,
    .setup      = orion5x_pci_sys_setup,
    .scan       = orion5x_pci_sys_scan_bus,
    .map_irq    = rd88f5181l_ge_pci_map_irq,
};

static int __init rd88f5181l_ge_pci_init(void)
{
    if (machine_is_rd88f5181l_ge()) {
        orion5x_pci_set_cardbus_mode();
        pci_common_init(&rd88f5181l_ge_pci);
    }

    return 0;
}
subsys_initcall(rd88f5181l_ge_pci_init);

MACHINE_START(RD88F5181L_GE, "Marvell Orion-VoIP GE Reference Design")
    /* Maintainer: Lennert Buytenhek <[email protected]> */
    .atag_offset    = 0x100,
    .init_machine   = rd88f5181l_ge_init,
    .map_io     = orion5x_map_io,
    .init_early = orion5x_init_early,
    .init_irq   = orion5x_init_irq,
    .timer      = &orion5x_timer,
    .fixup      = tag_fixup_mem32,
    .restart    = orion5x_restart,
MACHINE_END