[U-Boot] [PATCH-OMAP3 1/2] OMAP3: Add Pandora board files

Jean-Christophe PLAGNIOL-VILLARD
2008-12-06T19:28:28Z

> diff --git a/board/omap3/pandora/pandora.c b/board/omap3/pandora/pandora.c
> new file mode 100644
> index 0000000..7c0c5b4
> --- /dev/null
> +++ b/board/omap3/pandora/pandora.c
> @@ -0,0 +1,124 @@
> +/*
Copyright?
> + * Maintainer : Grazvydas Ignotas <notasas@gmail.com>
> + *
> + * Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by
> + * Richard Woodruff <r-woodruff2@ti.com>
> + * Syed Mohammed Khasim <khasim@ti.com>
> + * Sunil Kumar <sunilsaini05@gmail.com>
> + * Shashi Ranjan <shashiranjanmca05@gmail.com>
> + *
> + * (C) Copyright 2004-2008
> + * Texas Instruments, <www.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 <asm/io.h>
> +#include <asm/arch/mux.h>
> +#include <asm/arch/sys_proto.h>
> +#include <i2c.h>
> +#include <asm/mach-types.h>
> +#include "pandora.h"
> +
> +/******************************************************************************
> + * Routine: board_init
> + * Description: Early hardware init.
> + *****************************************************************************/
> +int board_init(void)
> +{
> + DECLARE_GLOBAL_DATA_PTR;
> +
> + gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
> + /* board id for Linux */
> + gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA;
> + /* boot param addr */
> + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
> +
> + return 0;
> +}
> +
> +/******************************************************************************
> + * Routine: misc_init_r
> + * Description: Configure power supply
> + *****************************************************************************/
> +int misc_init_r(void)
> +{
> +
> + unsigned char byte;
> + unsigned int *gpio1_base = (unsigned int *)OMAP34XX_GPIO1_BASE;
> + unsigned int *gpio4_base = (unsigned int *)OMAP34XX_GPIO4_BASE;
> + unsigned int *gpio5_base = (unsigned int *)OMAP34XX_GPIO5_BASE;
> + unsigned int *gpio6_base = (unsigned int *)OMAP34XX_GPIO6_BASE;
> +
> +#ifdef CONFIG_DRIVER_OMAP34XX_I2C
> + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
> +#endif
> +
> + /*
> + * Configure OMAP3 supply voltages in power management
> + * companion chip.
> + */
> +
> + /* set VAUX3 to 2.8V */
> + byte = DEV_GRP_P1;
> + i2c_write(PWRMGT_ADDR_ID4, VAUX3_DEV_GRP, 1, &byte, 1);
> + byte = VAUX3_VSEL_28;
> + i2c_write(PWRMGT_ADDR_ID4, VAUX3_DEDICATED, 1, &byte, 1);
> +
> + /* set VPLL2 to 1.8V */
> + byte = DEV_GRP_ALL;
> + i2c_write(PWRMGT_ADDR_ID4, VPLL2_DEV_GRP, 1, &byte, 1);
> + byte = VPLL2_VSEL_18;
> + i2c_write(PWRMGT_ADDR_ID4, VPLL2_DEDICATED, 1, &byte, 1);
> +
> + /* set VDAC to 1.8V */
> + byte = DEV_GRP_P1;
> + i2c_write(PWRMGT_ADDR_ID4, VDAC_DEV_GRP, 1, &byte, 1);
> + byte = VDAC_VSEL_18;
> + i2c_write(PWRMGT_ADDR_ID4, VDAC_DEDICATED, 1, &byte, 1);
is it possible to reduce duplicate code?
this block is also use in the Beagle
> +
> + /* enable LED */
> + byte = LEDBPWM | LEDAPWM | LEDBON | LEDAON;
> + i2c_write(PWRMGT_ADDR_ID3, LEDEN, 1, &byte, 1);
> +
> + /* Configure GPIOs to output */
> + writel(~(GPIO14 | GPIO15 | GPIO16 | GPIO23),
> + gpio1_base + OFFS(GPIO_OE));
> + writel(~GPIO22, gpio4_base + OFFS(GPIO_OE)); /* 118 */
> + writel(~(GPIO0 | GPIO1 | GPIO28 | GPIO29 | GPIO30 | GPIO31),
> + gpio5_base + OFFS(GPIO_OE)); /* 128, 129, 156-159 */
> + writel(~GPIO4, gpio6_base + OFFS(GPIO_OE)); /* 164 */
> +
> + /* Set GPIOs */
> + writel(GPIO28, gpio5_base + OFFS(GPIO_SETDATAOUT));
> + writel(GPIO4, gpio6_base + OFFS(GPIO_SETDATAOUT));
> +
> + 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_PANDORA();
> +}
> diff --git a/board/omap3/pandora/u-boot.lds b/board/omap3/pandora/u-boot.lds
> new file mode 100644
> index 0000000..7f2fa32
> --- /dev/null
> +++ b/board/omap3/pandora/u-boot.lds
> @@ -0,0 +1,63 @@
> +/*
> + * January 2004 - Changed to support H4 device
> + * Copyright (c) 2004 Texas Instruments
> + *
> + * (C) Copyright 2002
> + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
> + *
> + * 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
> + */
> +
> +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
> +OUTPUT_ARCH(arm)
> +ENTRY(_start)
> +SECTIONS
> +{
> + . = 0x00000000;
> +
> + . = ALIGN(4);
> + .text :
^^^^^^
> + {
> + cpu/arm_cortexa8/start.o (.text)
^^
> + {
> + *(.text)
^^
> + {
> + }
> +
> + . = ALIGN(4);
> + .rodata : { *(.rodata) }
> +
> + .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) }
^^^
> + {
> + __exidx_start = .;
> + .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) }
^^^
> + {
> + __exidx_end = .;
> +
> + . = ALIGN(4);
> + .data : { *(.data) }
> +
> + . = ALIGN(4);
> + .got : { *(.got) }
> +
> + __u_boot_cmd_start = .;
> + .u_boot_cmd : { *(.u_boot_cmd) }
> + __u_boot_cmd_end = .;
> +
> + . = ALIGN(4);
> + __bss_start = .;
> + .bss : { *(.bss) }
> + _end = .;
> +}

Best Regards,
J.