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Diffstat (limited to 'arch/avr32/boards/merisc/setup.c')
-rw-r--r--arch/avr32/boards/merisc/setup.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/arch/avr32/boards/merisc/setup.c b/arch/avr32/boards/merisc/setup.c
deleted file mode 100644
index 718a6d7eb808..000000000000
--- a/arch/avr32/boards/merisc/setup.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/*
- * Board-specific setup code for the Merisc
- *
- * Copyright (C) 2008 Martinsson Elektronik AB
- *
- * 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/i2c.h>
-#include <linux/i2c-gpio.h>
-#include <linux/gpio.h>
-#include <linux/init.h>
-#include <linux/linkage.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <linux/leds.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/ads7846.h>
-#include <linux/irq.h>
-#include <linux/fb.h>
-#include <linux/atmel-mci.h>
-#include <linux/pwm.h>
-#include <linux/leds_pwm.h>
-
-#include <asm/io.h>
-#include <asm/setup.h>
-
-#include <mach/at32ap700x.h>
-#include <mach/board.h>
-#include <mach/init.h>
-#include <mach/portmux.h>
-
-#include "merisc.h"
-
-/* Holds the autodetected board model and revision */
-static int merisc_board_id;
-
-/* Initialized by bootloader-specific startup code. */
-struct tag *bootloader_tags __initdata;
-
-/* 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 */
-};
-
-struct eth_addr {
- u8 addr[6];
-};
-
-static struct eth_addr __initdata hw_addr[2];
-static struct macb_platform_data __initdata eth_data[2];
-
-static int ads7846_get_pendown_state_PB26(void)
-{
- return !gpio_get_value(GPIO_PIN_PB(26));
-}
-
-static int ads7846_get_pendown_state_PB28(void)
-{
- return !gpio_get_value(GPIO_PIN_PB(28));
-}
-
-static struct ads7846_platform_data __initdata ads7846_data = {
- .model = 7846,
- .vref_delay_usecs = 100,
- .vref_mv = 0,
- .keep_vref_on = 0,
- .settle_delay_usecs = 150,
- .penirq_recheck_delay_usecs = 1,
- .x_plate_ohms = 800,
- .debounce_rep = 4,
- .debounce_max = 10,
- .debounce_tol = 50,
- .get_pendown_state = ads7846_get_pendown_state_PB26,
- .filter_init = NULL,
- .filter = NULL,
- .filter_cleanup = NULL,
-};
-
-static struct spi_board_info __initdata spi0_board_info[] = {
- {
- .modalias = "ads7846",
- .max_speed_hz = 3250000,
- .chip_select = 0,
- .bus_num = 0,
- .platform_data = &ads7846_data,
- .mode = SPI_MODE_0,
- },
-};
-
-static struct mci_platform_data __initdata mci0_data = {
- .slot[0] = {
- .bus_width = 4,
- .detect_pin = GPIO_PIN_PE(19),
- .wp_pin = GPIO_PIN_PE(20),
- .detect_is_active_high = true,
- },
-};
-
-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;
-
- 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);
-}
-
-static struct i2c_gpio_platform_data i2c_gpio_data = {
- .sda_pin = GPIO_PIN_PA(6),
- .scl_pin = GPIO_PIN_PA(7),
- .sda_is_open_drain = 1,
- .scl_is_open_drain = 1,
- .udelay = 2,
-};
-
-static struct platform_device i2c_gpio_device = {
- .name = "i2c-gpio",
- .id = 0,
- .dev = {
- .platform_data = &i2c_gpio_data,
- },
-};
-
-static struct i2c_board_info __initdata i2c_info[] = {
- {
- I2C_BOARD_INFO("pcf8563", 0x51)
- },
-};
-
-#if IS_ENABLED(CONFIG_LEDS_PWM)
-static struct pwm_lookup pwm_lookup[] = {
- PWM_LOOKUP("at91sam9rl-pwm", 0, "leds_pwm", "backlight",
- 5000, PWM_POLARITY_NORMAL),
-};
-
-static struct led_pwm pwm_leds[] = {
- {
- .name = "backlight",
- .max_brightness = 255,
- },
-};
-
-static struct led_pwm_platform_data pwm_data = {
- .num_leds = ARRAY_SIZE(pwm_leds),
- .leds = pwm_leds,
-};
-
-static struct platform_device leds_pwm = {
- .name = "leds_pwm",
- .id = -1,
- .dev = {
- .platform_data = &pwm_data,
- },
-};
-#endif
-
-const char *merisc_model(void)
-{
- switch (merisc_board_id) {
- case 0:
- case 1:
- return "500-01";
- case 2:
- return "BT";
- default:
- return "Unknown";
- }
-}
-
-const char *merisc_revision(void)
-{
- switch (merisc_board_id) {
- case 0:
- return "B";
- case 1:
- return "D";
- case 2:
- return "A";
- default:
- return "Unknown";
- }
-}
-
-static void detect_merisc_board_id(void)
-{
- /* Board ID pins MUST be set as input or the board may be damaged */
- at32_select_gpio(GPIO_PIN_PA(24), AT32_GPIOF_PULLUP);
- at32_select_gpio(GPIO_PIN_PA(25), AT32_GPIOF_PULLUP);
- at32_select_gpio(GPIO_PIN_PA(26), AT32_GPIOF_PULLUP);
- at32_select_gpio(GPIO_PIN_PA(27), AT32_GPIOF_PULLUP);
-
- merisc_board_id = !gpio_get_value(GPIO_PIN_PA(24)) +
- !gpio_get_value(GPIO_PIN_PA(25)) * 2 +
- !gpio_get_value(GPIO_PIN_PA(26)) * 4 +
- !gpio_get_value(GPIO_PIN_PA(27)) * 8;
-}
-
-void __init setup_board(void)
-{
- at32_map_usart(0, 0, 0);
- at32_map_usart(1, 1, 0);
- at32_map_usart(3, 3, 0);
- at32_setup_serial_console(1);
-}
-
-static int __init merisc_init(void)
-{
- detect_merisc_board_id();
-
- printk(KERN_NOTICE "BOARD: Merisc %s revision %s\n", merisc_model(),
- merisc_revision());
-
- /* Reserve pins for SDRAM */
- at32_reserve_pin(GPIO_PIOE_BASE, ATMEL_EBI_PE_DATA_ALL | (1 << 26));
-
- if (merisc_board_id >= 1)
- at32_map_usart(2, 2, 0);
-
- at32_add_device_usart(0);
- at32_add_device_usart(1);
- if (merisc_board_id >= 1)
- at32_add_device_usart(2);
- at32_add_device_usart(3);
- set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
-
- /* ADS7846 PENIRQ */
- if (merisc_board_id == 0) {
- ads7846_data.get_pendown_state = ads7846_get_pendown_state_PB26;
- at32_select_periph(GPIO_PIOB_BASE, 1 << 26,
- GPIO_PERIPH_A, AT32_GPIOF_PULLUP);
- spi0_board_info[0].irq = AT32_EXTINT(1);
- } else {
- ads7846_data.get_pendown_state = ads7846_get_pendown_state_PB28;
- at32_select_periph(GPIO_PIOB_BASE, 1 << 28, GPIO_PERIPH_A,
- AT32_GPIOF_PULLUP);
- spi0_board_info[0].irq = AT32_EXTINT(3);
- }
-
- /* ADS7846 busy pin */
- at32_select_gpio(GPIO_PIN_PA(4), AT32_GPIOF_PULLUP);
-
- at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
-
- at32_add_device_mci(0, &mci0_data);
-
-#if IS_ENABLED(CONFIG_LEDS_PWM)
- pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
- at32_add_device_pwm((1 << 0) | (1 << 2));
- platform_device_register(&leds_pwm);
-#else
- at32_add_device_pwm((1 << 2));
-#endif
-
- at32_select_gpio(i2c_gpio_data.sda_pin,
- AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
- at32_select_gpio(i2c_gpio_data.scl_pin,
- AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
- platform_device_register(&i2c_gpio_device);
-
- i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
-
- return 0;
-}
-postcore_initcall(merisc_init);