summaryrefslogtreecommitdiff
path: root/arch/avr32/boards/favr-32/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/avr32/boards/favr-32/setup.c')
-rw-r--r--arch/avr32/boards/favr-32/setup.c366
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, &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 << 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);