diff options
Diffstat (limited to 'arch/avr32/boards/favr-32/setup.c')
| -rw-r--r-- | arch/avr32/boards/favr-32/setup.c | 366 |
1 files changed, 0 insertions, 366 deletions
diff --git a/arch/avr32/boards/favr-32/setup.c b/arch/avr32/boards/favr-32/setup.c deleted file mode 100644 index 234cb071c601..000000000000 --- a/arch/avr32/boards/favr-32/setup.c +++ /dev/null @@ -1,366 +0,0 @@ -/* - * 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/pwm.h> -#include <linux/pwm_backlight.h> -#include <linux/regulator/fixed.h> -#include <linux/regulator/machine.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> - -#define PWM_BL_CH 2 - -/* 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 macb_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_pdata __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 (IS_ERR(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 pwm_lookup pwm_lookup[] = { - PWM_LOOKUP("at91sam9rl-pwm", PWM_BL_CH, "pwm-backlight.0", NULL, - 5000, PWM_POLARITY_INVERSED), -}; - -static struct regulator_consumer_supply fixed_power_consumers[] = { - REGULATOR_SUPPLY("power", "pwm-backlight.0"), -}; - -static struct platform_pwm_backlight_data pwm_bl_data = { - .enable_gpio = GPIO_PIN_PA(28), - .max_brightness = 255, - .dft_brightness = 255, - .lth_brightness = 50, -}; - -static struct platform_device pwm_bl_device = { - .name = "pwm-backlight", - .dev = { - .platform_data = &pwm_bl_data, - }, -}; - -static void __init favr32_setup_atmel_pwm_bl(void) -{ - pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup)); - regulator_register_always_on(0, "fixed", fixed_power_consumers, - ARRAY_SIZE(fixed_power_consumers), 3300000); - platform_device_register(&pwm_bl_device); - at32_select_gpio(pwm_bl_data.enable_gpio, 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) { - retval = -EINVAL; - 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, ð_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 << PWM_BL_CH); - 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); |