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Diffstat (limited to 'board/comelit/dig297/dig297.c')
| -rw-r--r-- | board/comelit/dig297/dig297.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/board/comelit/dig297/dig297.c b/board/comelit/dig297/dig297.c new file mode 100644 index 0000000..0062f12 --- /dev/null +++ b/board/comelit/dig297/dig297.c @@ -0,0 +1,187 @@ +/* + * (C) Copyright 2011 Comelit Group SpA + * Luca Ceresoli <luca.ceresoli@comelit.it> + * + * Based on board/ti/beagle/beagle.c: + * (C) Copyright 2004-2008 + * Texas Instruments, <www.ti.com> + * + * Author : + * Sunil Kumar <sunilsaini05@gmail.com> + * Shashi Ranjan <shashiranjanmca05@gmail.com> + * + * Derived from Beagle Board and 3430 SDP code by + * Richard Woodruff <r-woodruff2@ti.com> + * Syed Mohammed Khasim <khasim@ti.com> + * + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <common.h> +#include <netdev.h> +#include <twl4030.h> +#include <asm/io.h> +#include <asm/arch/omap3-regs.h> +#include <asm/arch/mux.h> +#include <asm/arch/mem.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/gpio.h> +#include <asm/mach-types.h> +#include "dig297.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_CMD_NET +static void setup_net_chip(void); + +#define NET_LAN9221_RESET_GPIO 12 + +/* GPMC CS 5 connected to an SMSC LAN9220 ethernet controller */ +#define NET_LAN9220_GPMC_CONFIG1 (DEVICESIZE_16BIT) +#define NET_LAN9220_GPMC_CONFIG2 (CSWROFFTIME(8) | \ + CSRDOFFTIME(7) | \ + ADVONTIME(1)) +#define NET_LAN9220_GPMC_CONFIG3 (ADVWROFFTIME(2) | \ + ADVRDOFFTIME(2) | \ + ADVONTIME(1)) +#define NET_LAN9220_GPMC_CONFIG4 (WEOFFTIME(8) | \ + WEONTIME(1) | \ + OEOFFTIME(7)| \ + OEONTIME(1)) +#define NET_LAN9220_GPMC_CONFIG5 (PAGEBURSTACCESSTIME(0) | \ + RDACCESSTIME(6) | \ + WRCYCLETIME(0x1D) | \ + RDCYCLETIME(0x1D)) +#define NET_LAN9220_GPMC_CONFIG6 ((1 << 31) | \ + WRACCESSTIME(0x1D) | \ + WRDATAONADMUXBUS(3)) + +static const u32 gpmc_lan_config[] = { + NET_LAN9220_GPMC_CONFIG1, + NET_LAN9220_GPMC_CONFIG2, + NET_LAN9220_GPMC_CONFIG3, + NET_LAN9220_GPMC_CONFIG4, + NET_LAN9220_GPMC_CONFIG5, + NET_LAN9220_GPMC_CONFIG6, + /* CONFIG7: computed by enable_gpmc_cs_config() */ +}; +#endif /* CONFIG_CMD_NET */ + +/* + * Routine: board_init + * Description: Early hardware init. + */ +int board_init(void) +{ + gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ + /* board id for Linux */ + gd->bd->bi_arch_number = MACH_TYPE_OMAP3_CPS; + /* boot param addr */ + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); + + return 0; +} + +/* + * Routine: misc_init_r + * Description: Configure board specific parts + */ +int misc_init_r(void) +{ + struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE; + struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE; + + twl4030_power_init(); + twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON); + + /* + * GPIO list + * - 159 OUT (GPIO5+31): reset for remote camera interface connector. + * - 19 OUT (GPIO1+19): integrated speaker amplifier (1=on, 0=shdn). + * - 20 OUT (GPIO1+20): handset amplifier (1=on, 0=shdn). + */ + + /* Configure GPIOs to output */ + writel(~(GPIO19 | GPIO20), &gpio1_base->oe); + writel(~(GPIO31), &gpio5_base->oe); + + /* Set GPIO values */ + writel((GPIO19 | GPIO20), &gpio1_base->setdataout); + writel(0, &gpio5_base->setdataout); + +#if defined(CONFIG_CMD_NET) + setup_net_chip(); +#endif + + 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_DIG297(); +} + +#ifdef CONFIG_CMD_NET +/* + * Routine: setup_net_chip + * Description: Setting up the configuration GPMC registers specific to the + * Ethernet hardware. + */ +static void setup_net_chip(void) +{ + struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; + + /* Configure GPMC registers */ + enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], + CONFIG_SMC911X_BASE, GPMC_SIZE_16M); + + /* Enable off mode for NWE in PADCONF_GPMC_NWE register */ + writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe); + /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */ + writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe); + /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */ + writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00, + &ctrl_base->gpmc_nadv_ale); + + /* Make GPIO 12 as output pin and send a magic pulse through it */ + if (!omap_request_gpio(NET_LAN9221_RESET_GPIO)) { + omap_set_gpio_direction(NET_LAN9221_RESET_GPIO, 0); + omap_set_gpio_dataout(NET_LAN9221_RESET_GPIO, 1); + udelay(1); + omap_set_gpio_dataout(NET_LAN9221_RESET_GPIO, 0); + udelay(31000); /* Should be >= 30ms according to datasheet */ + omap_set_gpio_dataout(NET_LAN9221_RESET_GPIO, 1); + } +} +#endif /* CONFIG_CMD_NET */ + +int board_eth_init(bd_t *bis) +{ + int rc = 0; + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); + return rc; +} |