457 lines
10 KiB
C
457 lines
10 KiB
C
/*
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* Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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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 <mach/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 <mach/at91sam9_sdramc.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/iomux.h>
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#include <mach/at91_pmc.h>
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#include <mach/at91_rstc.h>
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#include <gpio_keys.h>
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#include <readkey.h>
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#include <spi/spi.h>
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static void usb_a9260_set_board_type(void)
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{
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if (machine_is_usb_a9g20())
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armlinux_set_architecture(MACH_TYPE_USB_A9G20);
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else if (machine_is_usb_a9263())
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armlinux_set_architecture(MACH_TYPE_USB_A9263);
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else
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armlinux_set_architecture(MACH_TYPE_USB_A9260);
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}
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#if defined(CONFIG_NAND_ATMEL)
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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 usb_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 usb_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 usb_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_usb_a9g20())
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sam9_smc_configure(0, 3, &usb_a9g20_nand_smc_config);
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else
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sam9_smc_configure(0, 3, &usb_a9260_nand_smc_config);
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if (machine_is_usb_a9263()) {
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nand_pdata.rdy_pin = AT91_PIN_PA22;
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nand_pdata.enable_pin = AT91_PIN_PD15;
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}
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at91_add_device_nand(&nand_pdata);
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}
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#else
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static void usb_a9260_add_device_nand(void) {}
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#endif
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#if defined(CONFIG_DRIVER_NET_MACB)
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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 usb_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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static void usb_a9260_add_device_eth(void)
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{
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usb_a9260_phy_reset();
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at91_add_device_eth(0, &macb_pdata);
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}
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#else
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static void usb_a9260_add_device_eth(void) {}
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#endif
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#if defined(CONFIG_DRIVER_SPI_ATMEL)
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static const struct spi_board_info usb_a9263_spi_devices[] = {
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{
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.name = "mtd_dataflash",
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.chip_select = 0,
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.max_speed_hz = 15 * 1000 * 1000,
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.bus_num = 0,
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}
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};
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static const struct spi_board_info usb_a9g20_spi_devices[] = {
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{
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.name = "spi_mci",
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.chip_select = 0,
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.max_speed_hz = 25 * 1000 * 1000,
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.bus_num = 1,
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}
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};
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static unsigned spi0_standard_cs_a9263[] = { AT91_PIN_PA5 };
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static struct at91_spi_platform_data spi_a9263_pdata = {
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.chipselect = spi0_standard_cs_a9263,
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.num_chipselect = ARRAY_SIZE(spi0_standard_cs_a9263),
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};
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static unsigned spi0_standard_cs_a9g20[] = { AT91_PIN_PB3 };
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static struct at91_spi_platform_data spi_a9g20_pdata = {
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.chipselect = spi0_standard_cs_a9g20,
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.num_chipselect = ARRAY_SIZE(spi0_standard_cs_a9g20),
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};
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static void usb_a9260_add_spi(void)
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{
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if (machine_is_usb_a9263()) {
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spi_register_board_info(usb_a9263_spi_devices,
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ARRAY_SIZE(usb_a9263_spi_devices));
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at91_add_device_spi(0, &spi_a9263_pdata);
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} else if (machine_is_usb_a9g20() && at91sam9260_is_low_power_sdram()) {
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spi_register_board_info(usb_a9g20_spi_devices,
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ARRAY_SIZE(usb_a9g20_spi_devices));
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at91_add_device_spi(1, &spi_a9g20_pdata);
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}
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}
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#else
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static void usb_a9260_add_spi(void) {}
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#endif
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#if defined(CONFIG_MCI_ATMEL)
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static struct atmel_mci_platform_data __initdata usb_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 usb_a9260_add_device_mci(void)
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{
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at91_add_device_mci(0, &usb_a9260_mci_data);
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}
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#else
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static void usb_a9260_add_device_mci(void) {}
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#endif
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#if defined(CONFIG_USB_OHCI)
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static struct at91_usbh_data ek_usbh_data = {
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.ports = 2,
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.vbus_pin = { -EINVAL, -EINVAL },
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};
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static void usb_a9260_add_device_usb(void)
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{
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at91_add_device_usbh_ohci(&ek_usbh_data);
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}
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#else
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static void usb_a9260_add_device_usb(void) {}
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#endif
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#ifdef CONFIG_USB_GADGET_DRIVER_AT91
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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_PB11,
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.pullup_pin = -EINVAL, /* pull-up driven by UDC */
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};
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static void __init ek_add_device_udc(void)
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{
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if (machine_is_usb_a9260() || machine_is_usb_a9g20())
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ek_udc_data.vbus_pin = AT91_PIN_PC5;
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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 ek_add_device_udc(void) {}
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#endif
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#ifdef CONFIG_LED_GPIO
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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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if (machine_is_usb_a9263())
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led.active_low = 1;
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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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#else
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static void ek_add_led(void) {}
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#endif
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static int usb_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(usb_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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#ifdef CONFIG_CALAO_DAB_MMX
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struct gpio_led dab_mmx_leds[] = {
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{
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.gpio = AT91_PIN_PB20,
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.led = {
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.name = "user_led1",
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},
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}, {
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.gpio = AT91_PIN_PB21,
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.led = {
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.name = "user_led2",
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},
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}, {
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.gpio = AT91_PIN_PB22,
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.led = {
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.name = "user_led3",
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},
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}, {
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.gpio = AT91_PIN_PB23,
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.led = {
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.name = "user_led4",
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},
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}, {
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.gpio = AT91_PIN_PB24,
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.led = {
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.name = "red",
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},
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}, {
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.gpio = AT91_PIN_PB30,
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.led = {
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.name = "orange",
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},
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}, {
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.gpio = AT91_PIN_PB31,
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.led = {
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.name = "green",
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},
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},
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};
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#ifdef CONFIG_KEYBOARD_GPIO
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struct gpio_keys_button keys[] = {
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{
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.code = BB_KEY_UP,
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.gpio = AT91_PIN_PB25,
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}, {
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.code = BB_KEY_HOME,
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.gpio = AT91_PIN_PB13,
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}, {
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.code = BB_KEY_DOWN,
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.gpio = AT91_PIN_PA26,
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}, {
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.code = BB_KEY_ENTER,
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.gpio = AT91_PIN_PC9,
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},
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};
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struct gpio_keys_platform_data gk_pdata = {
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.buttons = keys,
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.nbuttons = ARRAY_SIZE(keys),
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};
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static void usb_a9260_keyboard_device_dab_mmx(void)
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{
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int i;
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for (i = 0; i < gk_pdata.nbuttons; i++) {
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/* user push button, pull up enabled */
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keys[i].active_low = 1;
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at91_set_GPIO_periph(keys[i].gpio, keys[i].active_low);
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at91_set_deglitch(keys[i].gpio, 1);
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}
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add_gpio_keys_device(DEVICE_ID_DYNAMIC, &gk_pdata);
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}
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#else
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static void usb_a9260_keyboard_device_dab_mmx(void) {}
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#endif
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static void usb_a9260_device_dab_mmx(void)
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{
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int i;
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usb_a9260_keyboard_device_dab_mmx();
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for (i = 0; i < ARRAY_SIZE(dab_mmx_leds); i++) {
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dab_mmx_leds[i].active_low = 1;
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at91_set_gpio_output(dab_mmx_leds[i].gpio, dab_mmx_leds[i].active_low);
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led_gpio_register(&dab_mmx_leds[i]);
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}
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}
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#else
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static void usb_a9260_device_dab_mmx(void) {}
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#endif
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static int usb_a9260_devices_init(void)
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{
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usb_a9260_add_device_nand();
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usb_a9260_add_device_mci();
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usb_a9260_add_device_eth();
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usb_a9260_add_spi();
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usb_a9260_add_device_usb();
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ek_add_device_udc();
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ek_add_led();
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ek_add_device_button();
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usb_a9260_device_dab_mmx();
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usb_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(usb_a9260_devices_init);
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#ifndef CONFIG_CONSOLE_NONE
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static int usb_a9260_console_init(void)
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{
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struct device_d *dev;
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if (machine_is_usb_a9260()) {
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barebox_set_model("Calao USB-A9260");
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barebox_set_hostname("usb-a9260");
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} else if (machine_is_usb_a9g20()) {
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barebox_set_model("Calao USB-A9G20");
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barebox_set_hostname("usb-a9g20");
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} else {
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barebox_set_model("Calao USB-A9263");
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barebox_set_hostname("usb-a9263");
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}
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at91_register_uart(0, 0);
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if (IS_ENABLED(CONFIG_CALAO_DAB_MMX)) {
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at91_register_uart(2, 0);
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dev = at91_register_uart(4, 0);
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dev_set_param(dev, "active", "");
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}
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return 0;
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}
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console_initcall(usb_a9260_console_init);
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#endif
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static int usb_a9260_main_clock(void)
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{
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at91_set_main_clock(12000000);
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return 0;
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}
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pure_initcall(usb_a9260_main_clock);
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