diff options
Diffstat (limited to 'arch/avr32/boards/atngw100/setup.c')
| -rw-r--r-- | arch/avr32/boards/atngw100/setup.c | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c deleted file mode 100644 index afeae8978a8d..000000000000 --- a/arch/avr32/boards/atngw100/setup.c +++ /dev/null @@ -1,324 +0,0 @@ -/* - * Board-specific setup code for the ATNGW100 Network Gateway - * - * Copyright (C) 2005-2006 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/gpio.h> -#include <linux/irq.h> -#include <linux/i2c.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/atmel-mci.h> -#include <linux/usb/atmel_usba_udc.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> - -/* 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 */ -}; - -/* - * The ATNGW100 mkII is very similar to the ATNGW100. Both have the AT32AP7000 - * chip on board; the difference is that the ATNGW100 mkII has 128 MB 32-bit - * SDRAM (the ATNGW100 has 32 MB 16-bit SDRAM) and 256 MB 16-bit NAND flash - * (the ATNGW100 has none.) - * - * The RAM difference is handled by the boot loader, so the only difference we - * end up handling here is the NAND flash, EBI pin reservation and if LCDC or - * MACB1 should be enabled. - */ -#ifdef CONFIG_BOARD_ATNGW100_MKII -#include <linux/mtd/partitions.h> -#include <mach/smc.h> - -static struct smc_timing nand_timing __initdata = { - .ncs_read_setup = 0, - .nrd_setup = 10, - .ncs_write_setup = 0, - .nwe_setup = 10, - - .ncs_read_pulse = 30, - .nrd_pulse = 15, - .ncs_write_pulse = 30, - .nwe_pulse = 15, - - .read_cycle = 30, - .write_cycle = 30, - - .ncs_read_recover = 0, - .nrd_recover = 15, - .ncs_write_recover = 0, - /* WE# high -> RE# low min 60 ns */ - .nwe_recover = 50, -}; - -static struct smc_config nand_config __initdata = { - .bus_width = 2, - .nrd_controlled = 1, - .nwe_controlled = 1, - .nwait_mode = 0, - .byte_write = 0, - .tdf_cycles = 2, - .tdf_mode = 0, -}; - -static struct mtd_partition nand_partitions[] = { - { - .name = "main", - .offset = 0x00000000, - .size = MTDPART_SIZ_FULL, - }, -}; - - -static struct atmel_nand_data atngw100mkii_nand_data __initdata = { - .cle = 21, - .ale = 22, - .rdy_pin = GPIO_PIN_PB(28), - .enable_pin = GPIO_PIN_PE(23), - .bus_width_16 = true, - .ecc_mode = NAND_ECC_SOFT, - .parts = nand_partitions, - .num_parts = ARRAY_SIZE(nand_partitions), -}; -#endif - -/* Initialized by bootloader-specific startup code. */ -struct tag *bootloader_tags __initdata; - -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_board_info spi0_board_info[] __initdata = { - { - .modalias = "mtd_dataflash", - .max_speed_hz = 8000000, - .chip_select = 0, - }, -}; - -static struct mci_platform_data __initdata mci0_data = { - .slot[0] = { - .bus_width = 4, -#if defined(CONFIG_BOARD_ATNGW100_MKII) - .detect_pin = GPIO_PIN_PC(25), - .wp_pin = GPIO_PIN_PE(22), -#else - .detect_pin = GPIO_PIN_PC(25), - .wp_pin = GPIO_PIN_PE(0), -#endif - }, -}; - -static struct usba_platform_data atngw100_usba_data __initdata = { -#if defined(CONFIG_BOARD_ATNGW100_MKII) - .vbus_pin = GPIO_PIN_PE(26), -#else - .vbus_pin = -ENODEV, -#endif -}; - -/* - * 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(1, 0, 0); /* USART 1: /dev/ttyS0, DB9 */ - at32_setup_serial_console(0); -} - -static const struct gpio_led ngw_leds[] = { - { .name = "sys", .gpio = GPIO_PIN_PA(16), .active_low = 1, - .default_trigger = "heartbeat", - }, - { .name = "a", .gpio = GPIO_PIN_PA(19), .active_low = 1, }, - { .name = "b", .gpio = GPIO_PIN_PE(19), .active_low = 1, }, -}; - -static const struct gpio_led_platform_data ngw_led_data = { - .num_leds = ARRAY_SIZE(ngw_leds), - .leds = (void *) ngw_leds, -}; - -static struct platform_device ngw_gpio_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = (void *) &ngw_led_data, - } -}; - -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[] = { - /* NOTE: original ATtiny24 firmware is at address 0x0b */ -}; - -static int __init atngw100_init(void) -{ - unsigned i; - - /* - * ATNGW100 mkII uses 32-bit SDRAM interface. Reserve the - * SDRAM-specific pins so that nobody messes with them. - */ -#ifdef CONFIG_BOARD_ATNGW100_MKII - at32_reserve_pin(GPIO_PIOE_BASE, ATMEL_EBI_PE_DATA_ALL); - - smc_set_timing(&nand_config, &nand_timing); - smc_set_configuration(3, &nand_config); - at32_add_device_nand(0, &atngw100mkii_nand_data); -#endif - - at32_add_device_usart(0); - - set_hw_addr(at32_add_device_eth(0, ð_data[0])); -#ifndef CONFIG_BOARD_ATNGW100_MKII_LCD - set_hw_addr(at32_add_device_eth(1, ð_data[1])); -#endif - - 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, &atngw100_usba_data); - - for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) { - at32_select_gpio(ngw_leds[i].gpio, - AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); - } - platform_device_register(&ngw_gpio_leds); - - /* all these i2c/smbus pins should have external pullups for - * open-drain sharing among all I2C devices. SDA and SCL do; - * PB28/EXTINT3 (ATNGW100) and PE21 (ATNGW100 mkII) doesn't; it should - * be SMBALERT# (for PMBus), but it's not available off-board. - */ -#ifdef CONFIG_BOARD_ATNGW100_MKII - at32_select_periph(GPIO_PIOE_BASE, 1 << 21, 0, AT32_GPIOF_PULLUP); -#else - at32_select_periph(GPIO_PIOB_BASE, 1 << 28, 0, AT32_GPIOF_PULLUP); -#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(atngw100_init); - -static int __init atngw100_arch_init(void) -{ - /* PB30 (ATNGW100) and PE30 (ATNGW100 mkII) is the otherwise unused - * jumper on the mainboard, with an external pullup; the jumper grounds - * it. Use it however you like, including letting U-Boot or Linux tweak - * boot sequences. - */ -#ifdef CONFIG_BOARD_ATNGW100_MKII - at32_select_gpio(GPIO_PIN_PE(30), 0); - gpio_request(GPIO_PIN_PE(30), "j15"); - gpio_direction_input(GPIO_PIN_PE(30)); - gpio_export(GPIO_PIN_PE(30), false); -#else - at32_select_gpio(GPIO_PIN_PB(30), 0); - gpio_request(GPIO_PIN_PB(30), "j15"); - gpio_direction_input(GPIO_PIN_PB(30)); - gpio_export(GPIO_PIN_PB(30), false); -#endif - - /* set_irq_type() after the arch_initcall for EIC has run, and - * before the I2C subsystem could try using this IRQ. - */ - return irq_set_irq_type(AT32_EXTINT(3), IRQ_TYPE_EDGE_FALLING); -} -arch_initcall(atngw100_arch_init); |