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author | Fabio Porcedda <fabio.porcedda@gmail.com> | 2013-01-29 12:16:01 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-01-30 16:02:33 +0100 |
commit | a719d7c44531571a9470b90d9add2099fd0cd707 (patch) | |
tree | 1f0036b894bf46b2cd571f7957f80b7700ef341b /arch/arm/boards/telit-evk-pro3/init.c | |
parent | 21535815bf187171f2315ef22d3da57b9ded99fc (diff) | |
download | barebox-a719d7c44531571a9470b90d9add2099fd0cd707.tar.gz barebox-a719d7c44531571a9470b90d9add2099fd0cd707.tar.xz |
ARM: at91: Add Telit EVK-PRO3 board support
http://www.telit.com
Based on at91sam9260ek board support.
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/telit-evk-pro3/init.c')
-rw-r--r-- | arch/arm/boards/telit-evk-pro3/init.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/arch/arm/boards/telit-evk-pro3/init.c b/arch/arm/boards/telit-evk-pro3/init.c new file mode 100644 index 0000000000..d5f1b3ea2e --- /dev/null +++ b/arch/arm/boards/telit-evk-pro3/init.c @@ -0,0 +1,176 @@ +/* + * Copyright (C) 2007 Sascha Hauer, Pengutronix + * Copyright (C) 2013 Fabio Porcedda <fabio.porcedda@gmail.com>, Telit + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <asm/armlinux.h> +#include <common.h> +#include <gpio.h> +#include <init.h> +#include <linux/clk.h> +#include <mach/at91_rstc.h> +#include <mach/at91sam9_smc.h> +#include <mach/board.h> +#include <mach/io.h> +#include <nand.h> + +#define BOOTSTRAP_SIZE 0xC0000 + +static struct atmel_nand_data nand_pdata = { + .ale = 21, + .cle = 22, + .det_pin = -EINVAL, + .rdy_pin = AT91_PIN_PC13, + .enable_pin = AT91_PIN_PC14, + .on_flash_bbt = 1, +}; + +static struct sam9_smc_config evk_nand_smc_config = { + .ncs_read_setup = 0, + .nrd_setup = 1, + .ncs_write_setup = 0, + .nwe_setup = 1, + + .ncs_read_pulse = 3, + .nrd_pulse = 3, + .ncs_write_pulse = 3, + .nwe_pulse = 3, + + .read_cycle = 5, + .write_cycle = 5, + + .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | + AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, + .tdf_cycles = 2, +}; + +static void evk_add_device_nand(void) +{ + /* configure chip-select 3 (NAND) */ + sam9_smc_configure(0, 3, &evk_nand_smc_config); + + at91_add_device_nand(&nand_pdata); +} + +static struct at91_ether_platform_data macb_pdata = { + .phy_interface = PHY_INTERFACE_MODE_RMII, + .phy_addr = 0, +}; + +static void evk_phy_reset(void) +{ + unsigned long rstc; + struct clk *clk = clk_get(NULL, "macb_clk"); + + clk_enable(clk); + + at91_set_gpio_input(AT91_PIN_PA14, 0); + at91_set_gpio_input(AT91_PIN_PA15, 0); + at91_set_gpio_input(AT91_PIN_PA17, 0); + at91_set_gpio_input(AT91_PIN_PA25, 0); + at91_set_gpio_input(AT91_PIN_PA26, 0); + at91_set_gpio_input(AT91_PIN_PA28, 0); + + rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL; + + /* Need to reset PHY -> 500ms reset */ + at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | + (AT91_RSTC_ERSTL & (0x0d << 8)) | + AT91_RSTC_URSTEN); + + at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST); + + /* Wait for end hardware reset */ + while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL)) + ; + + /* Restore NRST value */ + at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | (rstc) | AT91_RSTC_URSTEN); +} + +/* + * MCI (SD/MMC) + */ +#if defined(CONFIG_MCI_ATMEL) +static struct atmel_mci_platform_data __initdata evk_mci_data = { + .bus_width = 4, + .detect_pin = AT91_PIN_PA27, + .wp_pin = AT91_PIN_PA25, +}; + +static void evk_usb_add_device_mci(void) +{ + at91_add_device_mci(0, &evk_mci_data); +} +#else +static void evk_usb_add_device_mci(void) {} +#endif + +/* + * USB Host port + */ +static struct at91_usbh_data __initdata evk_usbh_data = { + .ports = 2, + .vbus_pin = { -EINVAL, -EINVAL }, +}; + +/* + * USB Device port + */ +static struct at91_udc_data __initdata evk_udc_data = { + .vbus_pin = AT91_PIN_PC4, + .pullup_pin = -EINVAL, /* pull-up driven by UDC */ +}; + +static int evk_mem_init(void) +{ + at91_add_device_sdram(0); + + return 0; +} +mem_initcall(evk_mem_init); + +static int evk_devices_init(void) +{ + evk_add_device_nand(); + evk_phy_reset(); + at91_add_device_eth(0, &macb_pdata); + at91_add_device_usbh_ohci(&evk_usbh_data); + at91_add_device_udc(&evk_udc_data); + evk_usb_add_device_mci(); + + armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100)); + + devfs_add_partition("nand0", 0x00000, BOOTSTRAP_SIZE, + DEVFS_PARTITION_FIXED, "bootstrap_raw"); + dev_add_bb_dev("bootstrap_raw", "bootstrap"); + devfs_add_partition("nand0", BOOTSTRAP_SIZE, SZ_256K, + DEVFS_PARTITION_FIXED, "self_raw"); + dev_add_bb_dev("self_raw", "self0"); + devfs_add_partition("nand0", BOOTSTRAP_SIZE + SZ_256K, SZ_128K, + DEVFS_PARTITION_FIXED, "env_raw"); + dev_add_bb_dev("env_raw", "env0"); + devfs_add_partition("nand0", BOOTSTRAP_SIZE + SZ_256K + SZ_128K, + SZ_128K, DEVFS_PARTITION_FIXED, "env_raw1"); + dev_add_bb_dev("env_raw1", "env1"); + + return 0; +} +device_initcall(evk_devices_init); + +static int evk_console_init(void) +{ + at91_register_uart(0, 0); + return 0; +} +console_initcall(evk_console_init); |