2013-01-24 21:11:10 +00:00
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/*
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* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
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*
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* Under GPLv2 only
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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 <fec.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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2013-10-26 09:03:39 +00:00
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#include <mach/hardware.h>
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2013-01-24 21:11:10 +00:00
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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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2013-09-20 05:47:44 +00:00
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#include <linux/clk.h>
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2013-01-24 21:11:10 +00:00
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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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2013-08-16 10:33:27 +00:00
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#include <mach/iomux.h>
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2013-01-24 21:11:10 +00:00
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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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2013-09-20 05:47:45 +00:00
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#include <local_mac_address.h>
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2013-01-24 21:11:10 +00:00
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static bool animeo_ip_is_buco;
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static bool animeo_ip_is_io;
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2013-01-26 00:08:54 +00:00
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static int animeo_ip_get_pio_revision(int gpio, char *name)
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{
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int ret;
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ret = gpio_request(gpio, name);
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if (ret) {
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pr_err("animeo_ip: can not request gpio %d as %s (%d)\n",
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gpio, name, ret);
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return ret;
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}
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ret = gpio_direction_input(gpio);
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if (ret) {
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pr_err("animeo_ip: can configure gpio %d (%s) as input (%d)\n",
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gpio, name, ret);
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return ret;
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}
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return gpio_get_value(gpio);
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}
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2013-01-24 21:11:10 +00:00
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static void animeo_ip_detect_version(void)
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{
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struct device_d *dev = NULL;
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char *model, *version;
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2013-01-26 00:08:54 +00:00
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int val;
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2013-01-24 21:11:10 +00:00
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2013-01-26 00:08:54 +00:00
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animeo_ip_is_io = false;
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animeo_ip_is_buco = false;
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model = "SubCo";
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version = "SDN";
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2013-01-24 21:11:10 +00:00
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dev = add_generic_device_res("animeo_ip", DEVICE_ID_SINGLE, NULL, 0, NULL);
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2013-01-26 00:08:54 +00:00
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val = animeo_ip_get_pio_revision(AT91_PIN_PC20, "is_buco");
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if (val < 0) {
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pr_warn("Can not detect model use %s by default\n", model);
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} else if (val) {
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animeo_ip_is_buco = true;
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2013-01-24 21:11:10 +00:00
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model = "SubCo";
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2013-01-26 00:08:54 +00:00
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}
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2013-01-24 21:11:10 +00:00
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2013-01-26 00:08:54 +00:00
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val = animeo_ip_get_pio_revision(AT91_PIN_PC21, "is_io");
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if (val < 0) {
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pr_warn("Can not detect version use %s by default\n", model);
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} else if (val) {
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animeo_ip_is_io = true;
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2013-01-24 21:11:10 +00:00
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version = "IO";
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2013-01-26 00:08:54 +00:00
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}
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2013-01-24 21:11:10 +00:00
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dev_add_param_fixed(dev, "model", model);
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dev_add_param_fixed(dev, "version", version);
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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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.bus_width_16 = 0,
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.on_flash_bbt = 1,
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};
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static struct sam9_smc_config animeo_ip_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 void animeo_ip_add_device_nand(void)
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{
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/* configure chip-select 3 (NAND) */
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sam9_smc_configure(0, 3, &animeo_ip_nand_smc_config);
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at91_add_device_nand(&nand_pdata);
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}
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2013-03-15 23:26:00 +00:00
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static struct macb_platform_data macb_pdata = {
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2013-01-24 21:11:10 +00:00
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.phy_addr = 0,
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2013-09-17 07:49:12 +00:00
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.phy_interface = PHY_INTERFACE_MODE_MII,
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.flags = AT91SAM_ETX2_ETX3_ALTERNATIVE,
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2013-01-24 21:11:10 +00:00
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};
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/*
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* MCI (SD/MMC)
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*/
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#if defined(CONFIG_MCI_ATMEL)
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static struct atmel_mci_platform_data __initdata animeo_ip_mci_data = {
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.bus_width = 4,
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.slot_b = 1,
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.detect_pin = -EINVAL,
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.wp_pin = -EINVAL,
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2013-09-20 05:33:05 +00:00
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.devname = "microsd",
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2013-01-24 21:11:10 +00:00
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};
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static void animeo_ip_add_device_mci(void)
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{
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at91_add_device_mci(0, &animeo_ip_mci_data);
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}
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#else
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static void animeo_ip_add_device_mci(void) {}
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#endif
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2013-09-19 12:48:47 +00:00
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/*
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* USB Host port
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*/
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static struct at91_usbh_data __initdata animeo_ip_usbh_data = {
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.ports = 2,
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.vbus_pin = {AT91_PIN_PB15, -EINVAL},
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.vbus_pin_active_low = {0, 0},
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};
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static void animeo_ip_add_device_usb(void)
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{
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at91_add_device_usbh_ohci(&animeo_ip_usbh_data);
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}
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2013-01-24 21:11:10 +00:00
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struct gpio_bicolor_led leds[] = {
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{
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.gpio_c0 = AT91_PIN_PC17,
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.gpio_c1 = AT91_PIN_PA2,
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.led = {
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.name = "power_red_green",
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},
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}, {
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.gpio_c0 = AT91_PIN_PC19,
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.gpio_c1 = AT91_PIN_PC18,
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.led = {
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.name = "tx_greem_rx_yellow",
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},
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},
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};
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static void __init animeo_ip_add_device_led(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(leds); i++) {
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at91_set_gpio_output(leds[i].gpio_c0, leds[i].active_low);
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at91_set_gpio_output(leds[i].gpio_c1, leds[i].active_low);
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led_gpio_bicolor_register(&leds[i]);
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}
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led_set_trigger(LED_TRIGGER_HEARTBEAT, &leds[0].led);
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}
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static int animeo_ip_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(animeo_ip_mem_init);
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static void animeo_export_gpio_in(int gpio, const char *name)
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{
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at91_set_gpio_input(gpio, 0);
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at91_set_deglitch(gpio, 1);
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export_env_ull(name, gpio);
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}
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static void animeo_ip_add_device_buttons(void)
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{
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animeo_export_gpio_in(AT91_PIN_PB1, "keyswitch_in");
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animeo_export_gpio_in(AT91_PIN_PB2, "error_in");
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animeo_export_gpio_in(AT91_PIN_PC22, "jumper");
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animeo_export_gpio_in(AT91_PIN_PC23, "btn");
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}
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static void animeo_export_gpio_out(int gpio, const char *name)
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{
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at91_set_gpio_output(gpio, 0);
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export_env_ull(name, gpio);
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}
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static void animeo_ip_power_control(void)
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{
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animeo_export_gpio_out(AT91_PIN_PB0, "power_radio");
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animeo_export_gpio_out(AT91_PIN_PB3, "error_out_relay");
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animeo_export_gpio_out(AT91_PIN_PC4, "power_save");
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}
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2013-09-20 05:47:44 +00:00
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static void animeo_ip_phy_reset(void)
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{
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unsigned long rstc;
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int i;
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struct clk *clk = clk_get(NULL, "macb_clk");
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clk_enable(clk);
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for (i = AT91_PIN_PA12; i <= AT91_PIN_PA29; i++)
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at91_set_gpio_input(i, 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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;
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/* Restore NRST value */
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at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | (rstc) | AT91_RSTC_URSTEN);
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}
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2013-09-20 05:47:45 +00:00
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#define MACB_SA1B 0x0098
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#define MACB_SA1T 0x009c
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static int animeo_ip_get_macb_ethaddr(u8 *addr)
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{
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u32 top, bottom;
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void __iomem *base = IOMEM(AT91SAM9260_BASE_EMAC);
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bottom = readl(base + MACB_SA1B);
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top = readl(base + MACB_SA1T);
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addr[0] = bottom & 0xff;
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addr[1] = (bottom >> 8) & 0xff;
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addr[2] = (bottom >> 16) & 0xff;
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addr[3] = (bottom >> 24) & 0xff;
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addr[4] = top & 0xff;
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addr[5] = (top >> 8) & 0xff;
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/* valid and not private */
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if (is_valid_ether_addr(addr) && !(addr[0] & 0x02))
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return 0;
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return -EINVAL;
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}
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2013-09-20 05:47:44 +00:00
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static void animeo_ip_add_device_eth(void)
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{
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2013-09-20 05:47:45 +00:00
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u8 enetaddr[6];
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if (!animeo_ip_get_macb_ethaddr(enetaddr))
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eth_register_ethaddr(0, enetaddr);
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else
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local_mac_address_register(0, "smf");
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/* for usb asix */
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local_mac_address_register(1, "smf");
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2013-09-20 05:47:44 +00:00
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animeo_ip_phy_reset();
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at91_add_device_eth(0, &macb_pdata);
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}
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2013-01-24 21:11:10 +00:00
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static int animeo_ip_devices_init(void)
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{
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animeo_ip_detect_version();
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animeo_ip_power_control();
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animeo_ip_add_device_nand();
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2013-09-19 12:48:47 +00:00
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animeo_ip_add_device_usb();
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2013-01-24 21:11:10 +00:00
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animeo_ip_add_device_mci();
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animeo_ip_add_device_buttons();
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animeo_ip_add_device_led();
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/*
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* in production the machine id used is the cpu module machine id
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* PICOCOM1
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*/
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armlinux_set_architecture(MACH_TYPE_PICOCOM1);
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devfs_add_partition("nand0", 0x00000, SZ_32K, 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_32K, 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_32K, SZ_32K, DEVFS_PARTITION_FIXED, "env_raw");
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dev_add_bb_dev("env_raw", "env0");
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2013-09-20 05:47:44 +00:00
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animeo_ip_add_device_eth();
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2013-01-24 21:11:10 +00:00
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return 0;
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}
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device_initcall(animeo_ip_devices_init);
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2013-09-19 13:20:26 +00:00
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static struct device_d *usart0, *usart1;
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static void animeo_ip_shutdown_uart(void *base)
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{
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#define ATMEL_US_BRGR 0x0020
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|
|
writel(0, base + ATMEL_US_BRGR);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void animeo_ip_shutdown(void)
|
2013-01-24 21:11:10 +00:00
|
|
|
{
|
|
|
|
/*
|
2013-09-19 13:20:26 +00:00
|
|
|
* disable the dbgu and others enable by the bootstrap
|
2013-01-24 21:11:10 +00:00
|
|
|
* so linux can detect that we only enable the uart2
|
|
|
|
* and use it for decompress
|
|
|
|
*/
|
2013-09-19 13:20:26 +00:00
|
|
|
animeo_ip_shutdown_uart(IOMEM(AT91_DBGU + AT91_BASE_SYS));
|
|
|
|
animeo_ip_shutdown_uart(IOMEM(AT91SAM9260_BASE_US0));
|
|
|
|
animeo_ip_shutdown_uart(IOMEM(AT91SAM9260_BASE_US1));
|
|
|
|
}
|
|
|
|
|
|
|
|
static int animeo_ip_console_init(void)
|
|
|
|
{
|
|
|
|
at91_register_uart(3, 0);
|
|
|
|
|
|
|
|
usart0 = at91_register_uart(1, ATMEL_UART_RTS);
|
|
|
|
usart1 = at91_register_uart(2, ATMEL_UART_RTS);
|
|
|
|
board_shutdown = animeo_ip_shutdown;
|
2013-08-15 07:02:17 +00:00
|
|
|
|
|
|
|
barebox_set_model("Somfy Animeo IP");
|
|
|
|
barebox_set_hostname("animeoip");
|
|
|
|
|
2013-01-24 21:11:10 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
console_initcall(animeo_ip_console_init);
|
2013-07-09 11:14:50 +00:00
|
|
|
|
|
|
|
static int animeo_ip_main_clock(void)
|
|
|
|
{
|
|
|
|
at91_set_main_clock(18432000);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
pure_initcall(animeo_ip_main_clock);
|
2013-09-19 13:20:26 +00:00
|
|
|
|
|
|
|
static unsigned int get_char_timeout(struct console_device *cs, int timeout)
|
|
|
|
{
|
|
|
|
uint64_t start = get_time_ns();
|
|
|
|
|
|
|
|
do {
|
|
|
|
if (!cs->tstc(cs))
|
|
|
|
continue;
|
|
|
|
return cs->getc(cs);
|
|
|
|
} while (!is_timeout(start, timeout));
|
|
|
|
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int animeo_ip_cross_detect_init(void)
|
|
|
|
{
|
|
|
|
struct console_device *cs0, *cs1;
|
|
|
|
int i;
|
|
|
|
char *s = "loop";
|
|
|
|
int crossed = 0;
|
|
|
|
|
|
|
|
cs0 = console_get_by_dev(usart0);
|
|
|
|
if (!cs0)
|
|
|
|
return -EINVAL;
|
|
|
|
cs1 = console_get_by_dev(usart1);
|
|
|
|
if (!cs1)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
at91_set_gpio_input(AT91_PIN_PC16, 0);
|
|
|
|
cs0->set_mode(cs0, CONSOLE_MODE_RS485);
|
|
|
|
cs0->setbrg(cs0, 38400);
|
|
|
|
cs1->set_mode(cs1, CONSOLE_MODE_RS485);
|
|
|
|
cs1->setbrg(cs1, 38400);
|
|
|
|
|
|
|
|
/* empty the bus */
|
|
|
|
while (cs1->tstc(cs1))
|
|
|
|
cs1->getc(cs1);
|
|
|
|
|
|
|
|
for (i = 0; i < strlen(s); i++) {
|
|
|
|
unsigned int ch = s[i];
|
|
|
|
unsigned int c;
|
|
|
|
|
|
|
|
resend:
|
|
|
|
cs0->putc(cs0, ch);
|
|
|
|
c = get_char_timeout(cs1, 10 * MSECOND);
|
|
|
|
if (c == 0)
|
|
|
|
goto resend;
|
|
|
|
else if (c != ch)
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
crossed = 1;
|
|
|
|
|
|
|
|
err:
|
|
|
|
export_env_ull("rs485_crossed", crossed);
|
|
|
|
|
|
|
|
pr_info("rs485 ports %scrossed\n", crossed ? "" : "not ");
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
late_initcall(animeo_ip_cross_detect_init);
|