GUI: Fix Tomato RAF theme for all builds. Compilation typo.

[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / arch / avr32 / boards / favr-32 / setup.c

/*
 * Favr-32 board-specific setup code.
 *
 * Copyright (C) 2008 Atmel Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include <linux/clk.h>
#include <linux/etherdevice.h>
#include <linux/bootmem.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/linkage.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/atmel-mci.h>
#include <linux/atmel-pwm-bl.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>

#include <sound/atmel-abdac.h>

#include <video/atmel_lcdc.h>

#include <asm/setup.h>

#include <mach/at32ap700x.h>
#include <mach/init.h>
#include <mach/board.h>
#include <mach/portmux.h>

/* Oscillator frequencies. These are board-specific */
unsigned long at32_board_osc_rates[3] = {
        [0] = 32768,    /* 32.768 kHz on RTC osc */
        [1] = 20000000, /* 20 MHz on osc0 */
        [2] = 12000000, /* 12 MHz on osc1 */
};

/* Initialized by bootloader-specific startup code. */
struct tag *bootloader_tags __initdata;

static struct atmel_abdac_pdata __initdata abdac0_data = {
};

struct eth_addr {
        u8 addr[6];
};
static struct eth_addr __initdata hw_addr[1];
static struct eth_platform_data __initdata eth_data[1] = {
        {
                .phy_mask       = ~(1U << 1),
        },
};

static int ads7843_get_pendown_state(void)
{
        return !gpio_get_value(GPIO_PIN_PB(3));
}

static struct ads7846_platform_data ads7843_data = {
        .model                  = 7843,
        .get_pendown_state      = ads7843_get_pendown_state,
        .pressure_max           = 255,
        /*
         * Values below are for debounce filtering, these can be experimented
         * with further.
         */
        .debounce_max           = 20,
        .debounce_rep           = 4,
        .debounce_tol           = 5,

        .keep_vref_on           = true,
        .settle_delay_usecs     = 500,
        .penirq_recheck_delay_usecs = 100,
};

static struct spi_board_info __initdata spi1_board_info[] = {
        {
                /* ADS7843 touch controller */
                .modalias       = "ads7846",
                .max_speed_hz   = 2000000,
                .chip_select    = 0,
                .bus_num        = 1,
                .platform_data  = &ads7843_data,
        },
};

static struct mci_platform_data __initdata mci0_data = {
        .slot[0] = {
                .bus_width      = 4,
                .detect_pin     = -ENODEV,
                .wp_pin         = -ENODEV,
        },
};

static struct fb_videomode __initdata lb104v03_modes[] = {
        {
                .name           = "640x480 @ 50",
                .refresh        = 50,
                .xres           = 640,          .yres           = 480,
                .pixclock       = KHZ2PICOS(25100),

                .left_margin    = 90,           .right_margin   = 70,
                .upper_margin   = 30,           .lower_margin   = 15,
                .hsync_len      = 12,           .vsync_len      = 2,

                .sync           = 0,
                .vmode          = FB_VMODE_NONINTERLACED,
        },
};

static struct fb_monspecs __initdata favr32_default_monspecs = {
        .manufacturer           = "LG",
        .monitor                = "LB104V03",
        .modedb                 = lb104v03_modes,
        .modedb_len             = ARRAY_SIZE(lb104v03_modes),
        .hfmin                  = 27273,
        .hfmax                  = 31111,
        .vfmin                  = 45,
        .vfmax                  = 60,
        .dclkmax                = 28000000,
};

struct atmel_lcdfb_info __initdata favr32_lcdc_data = {
        .default_bpp            = 16,
        .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
        .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
                                   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
                                   | ATMEL_LCDC_MEMOR_BIG),
        .default_monspecs       = &favr32_default_monspecs,
        .guard_time             = 2,
};

static struct gpio_led favr32_leds[] = {
        {
                .name            = "green",
                .gpio            = GPIO_PIN_PE(19),
                .default_trigger = "heartbeat",
                .active_low      = 1,
        },
        {
                .name            = "red",
                .gpio            = GPIO_PIN_PE(20),
                .active_low      = 1,
        },
};

static struct gpio_led_platform_data favr32_led_data = {
        .num_leds       = ARRAY_SIZE(favr32_leds),
        .leds           = favr32_leds,
};

static struct platform_device favr32_led_dev = {
        .name           = "leds-gpio",
        .id             = 0,
        .dev            = {
                .platform_data  = &favr32_led_data,
        },
};

/*
 * The next two functions should go away as the boot loader is
 * supposed to initialize the macb address registers with a valid
 * ethernet address. But we need to keep it around for a while until
 * we can be reasonably sure the boot loader does this.
 *
 * The phy_id is ignored as the driver will probe for it.
 */
static int __init parse_tag_ethernet(struct tag *tag)
{
        int i;

        i = tag->u.ethernet.mac_index;
        if (i < ARRAY_SIZE(hw_addr))
                memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
                       sizeof(hw_addr[i].addr));

        return 0;
}
__tagtable(ATAG_ETHERNET, parse_tag_ethernet);

static void __init set_hw_addr(struct platform_device *pdev)
{
        struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        const u8 *addr;
        void __iomem *regs;
        struct clk *pclk;

        if (!res)
                return;
        if (pdev->id >= ARRAY_SIZE(hw_addr))
                return;

        addr = hw_addr[pdev->id].addr;
        if (!is_valid_ether_addr(addr))
                return;

        /*
         * Since this is board-specific code, we'll cheat and use the
         * physical address directly as we happen to know that it's
         * the same as the virtual address.
         */
        regs = (void __iomem __force *)res->start;
        pclk = clk_get(&pdev->dev, "pclk");
        if (!pclk)
                return;

        clk_enable(pclk);
        __raw_writel((addr[3] << 24) | (addr[2] << 16)
                     | (addr[1] << 8) | addr[0], regs + 0x98);
        __raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
        clk_disable(pclk);
        clk_put(pclk);
}

void __init favr32_setup_leds(void)
{
        unsigned i;

        for (i = 0; i < ARRAY_SIZE(favr32_leds); i++)
                at32_select_gpio(favr32_leds[i].gpio, AT32_GPIOF_OUTPUT);

        platform_device_register(&favr32_led_dev);
}

static struct atmel_pwm_bl_platform_data atmel_pwm_bl_pdata = {
        .pwm_channel            = 2,
        .pwm_frequency          = 200000,
        .pwm_compare_max        = 345,
        .pwm_duty_max           = 345,
        .pwm_duty_min           = 90,
        .pwm_active_low         = 1,
        .gpio_on                = GPIO_PIN_PA(28),
        .on_active_low          = 0,
};

static struct platform_device atmel_pwm_bl_dev = {
        .name           = "atmel-pwm-bl",
        .id             = 0,
        .dev            = {
                .platform_data = &atmel_pwm_bl_pdata,
        },
};

static void __init favr32_setup_atmel_pwm_bl(void)
{
        platform_device_register(&atmel_pwm_bl_dev);
        at32_select_gpio(atmel_pwm_bl_pdata.gpio_on, 0);
}

void __init setup_board(void)
{
        at32_map_usart(3, 0, 0);        /* USART 3 => /dev/ttyS0 */
        at32_setup_serial_console(0);
}

static int __init set_abdac_rate(struct platform_device *pdev)
{
        int retval;
        struct clk *osc1;
        struct clk *pll1;
        struct clk *abdac;

        if (pdev == NULL)
                return -ENXIO;

        osc1 = clk_get(NULL, "osc1");
        if (IS_ERR(osc1)) {
                retval = PTR_ERR(osc1);
                goto out;
        }

        pll1 = clk_get(NULL, "pll1");
        if (IS_ERR(pll1)) {
                retval = PTR_ERR(pll1);
                goto out_osc1;
        }

        abdac = clk_get(&pdev->dev, "sample_clk");
        if (IS_ERR(abdac)) {
                retval = PTR_ERR(abdac);
                goto out_pll1;
        }

        retval = clk_set_parent(pll1, osc1);
        if (retval != 0)
                goto out_abdac;

        /*
         * Rate is 32000 to 50000 and ABDAC oversamples 256x. Multiply, in
         * power of 2, to a value above 80 MHz. Power of 2 so it is possible
         * for the generic clock to divide it down again and 80 MHz is the
         * lowest frequency for the PLL.
         */
        retval = clk_round_rate(pll1,
                        CONFIG_BOARD_FAVR32_ABDAC_RATE * 256 * 16);
        if (retval < 0)
                goto out_abdac;

        retval = clk_set_rate(pll1, retval);
        if (retval != 0)
                goto out_abdac;

        retval = clk_set_parent(abdac, pll1);
        if (retval != 0)
                goto out_abdac;

out_abdac:
        clk_put(abdac);
out_pll1:
        clk_put(pll1);
out_osc1:
        clk_put(osc1);
out:
        return retval;
}

static int __init favr32_init(void)
{
        /*
         * Favr-32 uses 32-bit SDRAM interface. Reserve the SDRAM-specific
         * pins so that nobody messes with them.
         */
        at32_reserve_pin(GPIO_PIOE_BASE, ATMEL_EBI_PE_DATA_ALL);

        at32_select_gpio(GPIO_PIN_PB(3), 0);    /* IRQ from ADS7843 */

        at32_add_device_usart(0);

        set_hw_addr(at32_add_device_eth(0, &eth_data[0]));

        spi1_board_info[0].irq = gpio_to_irq(GPIO_PIN_PB(3));

        set_abdac_rate(at32_add_device_abdac(0, &abdac0_data));

        at32_add_device_pwm(1 << atmel_pwm_bl_pdata.pwm_channel);
        at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
        at32_add_device_mci(0, &mci0_data);
        at32_add_device_usba(0, NULL);
        at32_add_device_lcdc(0, &favr32_lcdc_data, fbmem_start, fbmem_size, 0);

        favr32_setup_leds();

        favr32_setup_atmel_pwm_bl();

        return 0;
}
postcore_initcall(favr32_init);