+++ /dev/null
-/*
- * Board-specific setup code for the MIMC200
- *
- * Copyright (C) 2008 Mercury IMC Ltd
- *
- * 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.
- */
-
-extern struct atmel_lcdfb_pdata mimc200_lcdc_data;
-
-#include <linux/clk.h>
-#include <linux/etherdevice.h>
-#include <linux/i2c-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/eeprom.h>
-
-#include <video/atmel_lcdc.h>
-#include <linux/fb.h>
-
-#include <linux/atmel-mci.h>
-#include <linux/io.h>
-#include <asm/setup.h>
-
-#include <mach/at32ap700x.h>
-#include <mach/board.h>
-#include <mach/init.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] = 10000000, /* 10 MHz on osc0 */
- [2] = 12000000, /* 12 MHz on osc1 */
-};
-
-/* Initialized by bootloader-specific startup code. */
-struct tag *bootloader_tags __initdata;
-
-static struct fb_videomode __initdata pt0434827_modes[] = {
- {
- .name = "480x272 @ 72",
- .refresh = 72,
- .xres = 480, .yres = 272,
- .pixclock = KHZ2PICOS(10000),
-
- .left_margin = 1, .right_margin = 1,
- .upper_margin = 12, .lower_margin = 1,
- .hsync_len = 42, .vsync_len = 1,
-
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
-};
-
-static struct fb_monspecs __initdata mimc200_default_monspecs = {
- .manufacturer = "PT",
- .monitor = "PT0434827-A401",
- .modedb = pt0434827_modes,
- .modedb_len = ARRAY_SIZE(pt0434827_modes),
- .hfmin = 14820,
- .hfmax = 22230,
- .vfmin = 60,
- .vfmax = 85,
- .dclkmax = 25200000,
-};
-
-struct atmel_lcdfb_pdata __initdata mimc200_lcdc_data = {
- .default_bpp = 16,
- .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
- .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
- | ATMEL_LCDC_INVCLK
- | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
- | ATMEL_LCDC_MEMOR_BIG),
- .default_monspecs = &mimc200_default_monspecs,
- .guard_time = 2,
-};
-
-struct eth_addr {
- u8 addr[6];
-};
-static struct eth_addr __initdata hw_addr[2];
-static struct macb_platform_data __initdata eth_data[2];
-
-static struct spi_eeprom eeprom_25lc010 = {
- .name = "25lc010",
- .byte_len = 128,
- .page_size = 16,
- .flags = EE_ADDR1,
-};
-
-static struct spi_board_info spi0_board_info[] __initdata = {
- {
- .modalias = "rtc-ds1390",
- .max_speed_hz = 4000000,
- .chip_select = 2,
- },
- {
- .modalias = "at25",
- .max_speed_hz = 1000000,
- .chip_select = 1,
- .mode = SPI_MODE_3,
- .platform_data = &eeprom_25lc010,
- },
-};
-
-static struct mci_platform_data __initdata mci0_data = {
- .slot[0] = {
- .bus_width = 4,
- .detect_pin = GPIO_PIN_PA(26),
- .wp_pin = GPIO_PIN_PA(27),
- },
-};
-
-/*
- * 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 setup_board(void)
-{
- at32_map_usart(0, 0, 0); /* USART 0: /dev/ttyS0 (TTL --> Altera) */
- at32_map_usart(1, 1, 0); /* USART 1: /dev/ttyS1 (RS232) */
- at32_map_usart(2, 2, 0); /* USART 2: /dev/ttyS2 (RS485) */
- at32_map_usart(3, 3, 0); /* USART 3: /dev/ttyS3 (RS422 Multidrop) */
-}
-
-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, /* close to 100 kHz */
-};
-
-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[] = {
-};
-
-static int __init mimc200_init(void)
-{
- /*
- * MIMC200 uses 16-bit SDRAM interface, so we don't need to
- * reserve any pins for it.
- */
-
- at32_add_device_usart(0);
- at32_add_device_usart(1);
- at32_add_device_usart(2);
- at32_add_device_usart(3);
-
- set_hw_addr(at32_add_device_eth(0, ð_data[0]));
- set_hw_addr(at32_add_device_eth(1, ð_data[1]));
-
- at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
- at32_add_device_mci(0, &mci0_data);
- at32_add_device_usba(0, NULL);
-
- at32_select_periph(GPIO_PIOB_BASE, 1 << 28, 0, AT32_GPIOF_PULLUP);
- 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));
-
- at32_add_device_lcdc(0, &mimc200_lcdc_data,
- fbmem_start, fbmem_size,
- ATMEL_LCDC_CONTROL | ATMEL_LCDC_ALT_CONTROL | ATMEL_LCDC_ALT_24B_DATA);
-
- return 0;
-}
-postcore_initcall(mimc200_init);
git.samba.org / sfrench / cifs-2.6.git / blobdiff