241 lines
5.6 KiB
C
241 lines
5.6 KiB
C
/*
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* Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* GPLv2
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*
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*/
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#include <common.h>
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#include <net.h>
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#include <init.h>
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#include <environment.h>
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#include <asm/armlinux.h>
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#include <generated/mach-types.h>
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#include <partition.h>
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#include <fs.h>
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#include <fcntl.h>
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#include <io.h>
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#include <asm/hardware.h>
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#include <nand.h>
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#include <sizes.h>
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#include <linux/mtd/nand.h>
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#include <linux/clk.h>
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#include <mach/board.h>
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#include <mach/at91sam9_smc.h>
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#include <gpio.h>
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#include <led.h>
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#include <mach/io.h>
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#include <mach/at91_pmc.h>
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#include <mach/at91_rstc.h>
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static void qil_a9260_set_board_type(void)
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{
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if (machine_is_qil_a9g20())
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armlinux_set_architecture(MACH_TYPE_QIL_A9G20);
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else
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armlinux_set_architecture(MACH_TYPE_QIL_A9260);
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}
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static struct atmel_nand_data nand_pdata = {
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.ale = 21,
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.cle = 22,
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.det_pin = -EINVAL,
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.rdy_pin = AT91_PIN_PC13,
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.enable_pin = AT91_PIN_PC14,
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.on_flash_bbt = 1,
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};
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static struct sam9_smc_config qil_a9260_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 1,
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.ncs_write_setup = 0,
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.nwe_setup = 1,
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.ncs_read_pulse = 3,
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.nrd_pulse = 3,
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.ncs_write_pulse = 3,
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.nwe_pulse = 3,
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.read_cycle = 5,
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.write_cycle = 5,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
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.tdf_cycles = 2,
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};
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static struct sam9_smc_config qil_a9g20_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 2,
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.ncs_write_setup = 0,
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.nwe_setup = 2,
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.ncs_read_pulse = 4,
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.nrd_pulse = 4,
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.ncs_write_pulse = 4,
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.nwe_pulse = 4,
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.read_cycle = 7,
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.write_cycle = 7,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
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.tdf_cycles = 3,
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};
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static void qil_a9260_add_device_nand(void)
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{
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/* configure chip-select 3 (NAND) */
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if (machine_is_qil_a9g20())
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sam9_smc_configure(0, 3, &qil_a9g20_nand_smc_config);
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else
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sam9_smc_configure(0, 3, &qil_a9260_nand_smc_config);
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at91_add_device_nand(&nand_pdata);
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}
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#if defined(CONFIG_MCI_ATMEL)
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static struct atmel_mci_platform_data __initdata qil_a9260_mci_data = {
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.bus_width = 4,
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.detect_pin = -EINVAL,
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.wp_pin = -EINVAL,
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};
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static void qil_a9260_add_device_mci(void)
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{
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at91_add_device_mci(0, &qil_a9260_mci_data);
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}
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#else
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static void qil_a9260_add_device_mci(void) {}
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#endif
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#ifdef CONFIG_CALAO_MB_QIL_A9260
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static struct macb_platform_data macb_pdata = {
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.phy_interface = PHY_INTERFACE_MODE_RMII,
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.phy_addr = -1,
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};
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static void qil_a9260_phy_reset(void)
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{
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unsigned long rstc;
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struct clk *clk = clk_get(NULL, "macb_clk");
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clk_enable(clk);
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at91_set_gpio_input(AT91_PIN_PA14, 0);
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at91_set_gpio_input(AT91_PIN_PA15, 0);
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at91_set_gpio_input(AT91_PIN_PA17, 0);
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at91_set_gpio_input(AT91_PIN_PA25, 0);
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at91_set_gpio_input(AT91_PIN_PA26, 0);
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at91_set_gpio_input(AT91_PIN_PA28, 0);
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rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
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/* Need to reset PHY -> 500ms reset */
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at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
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(AT91_RSTC_ERSTL & (0x0d << 8)) |
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AT91_RSTC_URSTEN);
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at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
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/* Wait for end hardware reset */
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while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
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/* Restore NRST value */
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at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
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(rstc) |
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AT91_RSTC_URSTEN);
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}
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/*
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* USB Device port
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*/
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static struct at91_udc_data __initdata ek_udc_data = {
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.vbus_pin = AT91_PIN_PC5,
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.pullup_pin = -EINVAL, /* pull-up driven by UDC */
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};
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static void __init qil_a9260_add_device_mb(void)
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{
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qil_a9260_phy_reset();
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at91_add_device_eth(0, &macb_pdata);
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at91_add_device_udc(&ek_udc_data);
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}
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#else
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static void __init qil_a9260_add_device_mb(void)
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{
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}
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#endif
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struct gpio_led led = {
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.gpio = AT91_PIN_PB21,
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.led = {
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.name = "user_led",
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},
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};
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static void __init ek_add_led(void)
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{
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at91_set_gpio_output(led.gpio, led.active_low);
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led_gpio_register(&led);
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}
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static int qil_a9260_mem_init(void)
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{
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at91_add_device_sdram(0);
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return 0;
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}
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mem_initcall(qil_a9260_mem_init);
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static void __init ek_add_device_button(void)
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{
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at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
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at91_set_deglitch(AT91_PIN_PB10, 1);
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export_env_ull("dfu_button", AT91_PIN_PB10);
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}
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static int qil_a9260_devices_init(void)
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{
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qil_a9260_add_device_nand();
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qil_a9260_add_device_mci();
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ek_add_led();
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ek_add_device_button();
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qil_a9260_add_device_mb();
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armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
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qil_a9260_set_board_type();
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devfs_add_partition("nand0", 0x00000, SZ_128K, DEVFS_PARTITION_FIXED, "at91bootstrap_raw");
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dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap");
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devfs_add_partition("nand0", SZ_128K, SZ_256K, DEVFS_PARTITION_FIXED, "self_raw");
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dev_add_bb_dev("self_raw", "self0");
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devfs_add_partition("nand0", SZ_256K + SZ_128K, SZ_128K, DEVFS_PARTITION_FIXED, "env_raw");
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dev_add_bb_dev("env_raw", "env0");
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devfs_add_partition("nand0", SZ_512K, SZ_128K, DEVFS_PARTITION_FIXED, "env_raw1");
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dev_add_bb_dev("env_raw1", "env1");
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return 0;
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}
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device_initcall(qil_a9260_devices_init);
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#ifdef CONFIG_CALAO_MB_QIL_A9260
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static int qil_a9260_console_init(void)
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{
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at91_register_uart(0, 0);
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at91_set_A_periph(AT91_PIN_PB14, 1); /* Enable pull-up on DRXD */
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at91_register_uart(1, ATMEL_UART_CTS | ATMEL_UART_RTS
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| ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
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| ATMEL_UART_RI);
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at91_register_uart(2, ATMEL_UART_CTS | ATMEL_UART_RTS);
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at91_set_A_periph(AT91_PIN_PB7, 1); /* Enable pull-up on RXD1 */
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at91_register_uart(3, ATMEL_UART_CTS | ATMEL_UART_RTS);
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at91_set_A_periph(AT91_PIN_PB9, 1); /* Enable pull-up on RXD2 */
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return 0;
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}
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console_initcall(qil_a9260_console_init);
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#endif
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