diff options
author | Stefano Babic <sbabic@denx.de> | 2012-02-07 23:29:34 +0000 |
---|---|---|
committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-02-12 10:11:31 +0100 |
commit | 1fdabedd0cc3f4373103efdc295d0c1c64739972 (patch) | |
tree | b020354f6ef64bfd60b40d1ba3c4d3880fef7f7e /board/teejet/mt_ventoux/mt_ventoux.c | |
parent | 8c589d6fef14924647e325450644cc72eed83579 (diff) |
ARM: omap3: Added Teejet mt_ventoux
The mt_ventoux board is a custom board using
the Technexion TAM3517 module.
The patch fixes also the mtdparts variable in the
TAM3517 common configuration file.
Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Ilya Yanok <yanok@emcraft.com>
CC: Igor Grinberg <grinberg@compulab.co.il>
CC: Tom Rini <tom.rini@gmail.com>
Cc: Detlev Zundel <dzu@denx.de>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Diffstat (limited to 'board/teejet/mt_ventoux/mt_ventoux.c')
-rw-r--r-- | board/teejet/mt_ventoux/mt_ventoux.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/board/teejet/mt_ventoux/mt_ventoux.c b/board/teejet/mt_ventoux/mt_ventoux.c new file mode 100644 index 00000000000..c5eb42c3620 --- /dev/null +++ b/board/teejet/mt_ventoux/mt_ventoux.c @@ -0,0 +1,233 @@ +/* + * Copyright (C) 2011 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * Copyright (C) 2009 TechNexion Ltd. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#include <common.h> +#include <netdev.h> +#include <fpga.h> +#include <asm/io.h> +#include <asm/arch/mem.h> +#include <asm/arch/mux.h> +#include <asm/arch/sys_proto.h> +#include <asm/omap_gpio.h> +#include <asm/arch/mmc_host_def.h> +#include <i2c.h> +#include <spartan3.h> +#include <asm/gpio.h> +#ifdef CONFIG_USB_EHCI +#include <usb.h> +#include <asm/ehci-omap.h> +#endif +#include "mt_ventoux.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifndef CONFIG_FPGA +#error "The Teejet mt_ventoux must have CONFIG_FPGA enabled" +#endif + +#define FPGA_RESET 62 +#define FPGA_PROG 116 +#define FPGA_CCLK 117 +#define FPGA_DIN 118 +#define FPGA_INIT 119 +#define FPGA_DONE 154 + +/* Timing definitions for FPGA */ +static const u32 gpmc_fpga[] = { + FPGA_GPMC_CONFIG1, + FPGA_GPMC_CONFIG2, + FPGA_GPMC_CONFIG3, + FPGA_GPMC_CONFIG4, + FPGA_GPMC_CONFIG5, + FPGA_GPMC_CONFIG6, +}; + +#ifdef CONFIG_USB_EHCI +static struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, +}; + +int ehci_hcd_init(void) +{ + return omap_ehci_hcd_init(&usbhs_bdata); +} + +int ehci_hcd_stop(void) +{ + return omap_ehci_hcd_stop(); +} +#endif + + +static inline void fpga_reset(int nassert) +{ + gpio_set_value(FPGA_RESET, !nassert); +} + +int fpga_pgm_fn(int nassert, int nflush, int cookie) +{ + debug("%s:%d: FPGA PROGRAM ", __func__, __LINE__); + + gpio_set_value(FPGA_PROG, !nassert); + + return nassert; +} + +int fpga_init_fn(int cookie) +{ + return !gpio_get_value(FPGA_INIT); +} + +int fpga_done_fn(int cookie) +{ + return gpio_get_value(FPGA_DONE); +} + +int fpga_pre_config_fn(int cookie) +{ + debug("%s:%d: FPGA pre-configuration\n", __func__, __LINE__); + + /* Setting GPIOs for programming Mode */ + gpio_request(FPGA_RESET, "FPGA_RESET"); + gpio_direction_output(FPGA_RESET, 1); + gpio_request(FPGA_PROG, "FPGA_PROG"); + gpio_direction_output(FPGA_PROG, 1); + gpio_request(FPGA_CCLK, "FPGA_CCLK"); + gpio_direction_output(FPGA_CCLK, 1); + gpio_request(FPGA_DIN, "FPGA_DIN"); + gpio_direction_output(FPGA_DIN, 0); + gpio_request(FPGA_INIT, "FPGA_INIT"); + gpio_direction_input(FPGA_INIT); + gpio_request(FPGA_DONE, "FPGA_DONE"); + gpio_direction_input(FPGA_DONE); + + /* Be sure that signal are deasserted */ + gpio_set_value(FPGA_RESET, 1); + gpio_set_value(FPGA_PROG, 1); + + return 0; +} + +int fpga_post_config_fn(int cookie) +{ + debug("%s:%d: FPGA post-configuration\n", __func__, __LINE__); + + fpga_reset(TRUE); + udelay(100); + fpga_reset(FALSE); + + return 0; +} + +/* Write program to the FPGA */ +int fpga_wr_fn(int nassert_write, int flush, int cookie) +{ + gpio_set_value(FPGA_DIN, nassert_write); + + return nassert_write; +} + +int fpga_clk_fn(int assert_clk, int flush, int cookie) +{ + gpio_set_value(FPGA_CCLK, assert_clk); + + return assert_clk; +} + +Xilinx_Spartan3_Slave_Serial_fns mt_ventoux_fpga_fns = { + fpga_pre_config_fn, + fpga_pgm_fn, + fpga_clk_fn, + fpga_init_fn, + fpga_done_fn, + fpga_wr_fn, + fpga_post_config_fn, +}; + +Xilinx_desc fpga = XILINX_XC6SLX4_DESC(slave_serial, + (void *)&mt_ventoux_fpga_fns, 0); + +/* Initialize the FPGA */ +static void mt_ventoux_init_fpga(void) +{ + fpga_pre_config_fn(0); + + /* Setting CS1 for FPGA access */ + enable_gpmc_cs_config(gpmc_fpga, &gpmc_cfg->cs[1], + FPGA_BASE_ADDR, GPMC_SIZE_128M); + + fpga_init(); + fpga_add(fpga_xilinx, &fpga); +} + +/* + * Routine: board_init + * Description: Early hardware init. + */ +int board_init(void) +{ + gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ + + /* boot param addr */ + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); + + mt_ventoux_init_fpga(); + + return 0; +} + +int misc_init_r(void) +{ + dieid_num_r(); + + return 0; +} + +/* + * Routine: set_muxconf_regs + * Description: Setting up the configuration Mux registers specific to the + * hardware. Many pins need to be moved from protect to primary + * mode. + */ +void set_muxconf_regs(void) +{ + MUX_MT_VENTOUX(); +} + +/* + * Initializes on-chip ethernet controllers. + * to override, implement board_eth_init() + */ +int board_eth_init(bd_t *bis) +{ + davinci_emac_initialize(); + return 0; +} + +#if defined(CONFIG_OMAP_HSMMC) && \ + !defined(CONFIG_SPL_BUILD) +int board_mmc_init(bd_t *bis) +{ + return omap_mmc_init(0); +} +#endif |