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TI: DaVinci: Add board specific code for da850 EVM
Provides initial support for TI OMAP-L138/DA850 SoC devices on a Logic PD EVM board. Provides: Initial boot and configuration. Support for i2c. UART support (console). Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com> Acked-by: Ben Gardiner <bengardiner@nanometrics.ca> Reviewed-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Sudhakar Rajashekhara
Sandeep Paulraj
parent
158557001a
commit
89b765c7f6
7 changed files with 260 additions and 1 deletions
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@ -353,6 +353,10 @@ Daniel Poirot <dan.poirot@windriver.com>
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sbc8240 MPC8240
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sbc405 PPC405GP
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Sudhakar Rajashekhara <sudhakar.raj@ti.com>
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da850evm ARM926EJS (DA850/OMAP-L138)
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Ricardo Ribalda <ricardo.ribalda@uam.es>
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ml507 PPC440x5
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1
MAKEALL
1
MAKEALL
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@ -561,6 +561,7 @@ LIST_ARM9=" \
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cp946es \
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cp966 \
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da830evm \
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da850evm \
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edb9301 \
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edb9302 \
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edb9302a \
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3
Makefile
3
Makefile
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@ -2916,7 +2916,8 @@ cp922_XA10_config \
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cp1026_config: unconfig
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@board/armltd/integrator/split_by_variant.sh cp $@
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da830evm_config: unconfig
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da830evm_config \
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da850evm_config: unconfig
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@$(MKCONFIG) $(@:_config=) arm arm926ejs da8xxevm davinci davinci
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davinci_dvevm_config : unconfig
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@ -398,6 +398,7 @@ struct davinci_syscfg_regs {
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#define DAVINCI_SYSCFG_SUSPSRC_EMAC (1 << 5)
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#define DAVINCI_SYSCFG_SUSPSRC_I2C (1 << 16)
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#define DAVINCI_SYSCFG_SUSPSRC_SPI0 (1 << 21)
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#define DAVINCI_SYSCFG_SUSPSRC_SPI1 (1 << 22)
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#define DAVINCI_SYSCFG_SUSPSRC_UART2 (1 << 20)
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#define DAVINCI_SYSCFG_SUSPSRC_TIMER0 (1 << 27)
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@ -29,6 +29,7 @@ LIB = $(obj)lib$(BOARD).a
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COBJS-y += common.o
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COBJS-$(CONFIG_MACH_DAVINCI_DA830_EVM) += da830evm.o
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COBJS-$(CONFIG_MACH_DAVINCI_DA850_EVM) += da850evm.o
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COBJS := $(COBJS-y)
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111
board/davinci/da8xxevm/da850evm.c
Normal file
111
board/davinci/da8xxevm/da850evm.c
Normal file
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@ -0,0 +1,111 @@
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/*
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* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Based on da830evm.c. Original Copyrights follow:
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*
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* Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
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* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <common.h>
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#include <i2c.h>
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#include <asm/arch/hardware.h>
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#include <asm/io.h>
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#include "../common/misc.h"
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#include "common.h"
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DECLARE_GLOBAL_DATA_PTR;
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#define pinmux (&davinci_syscfg_regs->pinmux)
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/* SPI0 pin muxer settings */
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static const struct pinmux_config spi1_pins[] = {
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{ pinmux[5], 1, 1 },
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{ pinmux[5], 1, 2 },
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{ pinmux[5], 1, 4 },
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{ pinmux[5], 1, 5 }
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};
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/* UART pin muxer settings */
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static const struct pinmux_config uart_pins[] = {
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{ pinmux[0], 4, 6 },
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{ pinmux[0], 4, 7 },
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{ pinmux[4], 2, 4 },
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{ pinmux[4], 2, 5 }
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};
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/* I2C pin muxer settings */
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static const struct pinmux_config i2c_pins[] = {
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{ pinmux[4], 2, 2 },
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{ pinmux[4], 2, 3 }
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};
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static const struct pinmux_resource pinmuxes[] = {
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#ifdef CONFIG_SPI_FLASH
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PINMUX_ITEM(spi1_pins),
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#endif
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PINMUX_ITEM(uart_pins),
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PINMUX_ITEM(i2c_pins),
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};
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static const struct lpsc_resource lpsc[] = {
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{ DAVINCI_LPSC_AEMIF }, /* NAND, NOR */
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{ DAVINCI_LPSC_SPI1 }, /* Serial Flash */
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{ DAVINCI_LPSC_EMAC }, /* image download */
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{ DAVINCI_LPSC_UART2 }, /* console */
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{ DAVINCI_LPSC_GPIO },
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};
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int board_init(void)
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{
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#ifndef CONFIG_USE_IRQ
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irq_init();
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#endif
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/* arch number of the board */
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gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA850_EVM;
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/* address of boot parameters */
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gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
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/*
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* Power on required peripherals
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* ARM does not have access by default to PSC0 and PSC1
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* assuming here that the DSP bootloader has set the IOPU
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* such that PSC access is available to ARM
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*/
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if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc)))
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return 1;
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/* setup the SUSPSRC for ARM to control emulation suspend */
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writel(readl(&davinci_syscfg_regs->suspsrc) &
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~(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C |
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DAVINCI_SYSCFG_SUSPSRC_SPI1 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 |
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DAVINCI_SYSCFG_SUSPSRC_UART2),
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&davinci_syscfg_regs->suspsrc);
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/* configure pinmux settings */
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if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes)))
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return 1;
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/* enable the console UART */
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writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
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DAVINCI_UART_PWREMU_MGMT_UTRST),
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&davinci_uart2_ctrl_regs->pwremu_mgmt);
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return 0;
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}
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140
include/configs/da850evm.h
Normal file
140
include/configs/da850evm.h
Normal file
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@ -0,0 +1,140 @@
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/*
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* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Based on davinci_dvevm.h. Original Copyrights follow:
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*
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* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* Board
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*/
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/*
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* SoC Configuration
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*/
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#define CONFIG_MACH_DAVINCI_DA850_EVM
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#define CONFIG_ARM926EJS /* arm926ejs CPU core */
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#define CONFIG_SOC_DA8XX /* TI DA8xx SoC */
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#define CONFIG_SYS_CLK_FREQ clk_get(DAVINCI_ARM_CLKID)
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#define CONFIG_SYS_OSCIN_FREQ 24000000
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#define CONFIG_SYS_TIMERBASE DAVINCI_TIMER0_BASE
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#define CONFIG_SYS_HZ_CLOCK clk_get(DAVINCI_AUXCLK_CLKID)
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#define CONFIG_SYS_HZ 1000
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#define CONFIG_SKIP_RELOCATE_UBOOT /* to a proper address, init done */
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/*
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* Memory Info
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*/
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#define CONFIG_SYS_MALLOC_LEN (0x10000 + 1*1024*1024) /* malloc() len */
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#define CONFIG_SYS_GBL_DATA_SIZE 128 /* reserved for initial data */
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#define PHYS_SDRAM_1 DAVINCI_DDR_EMIF_DATA_BASE /* DDR Start */
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#define PHYS_SDRAM_1_SIZE (64 << 20) /* SDRAM size 64MB */
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/* memtest start addr */
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#define CONFIG_SYS_MEMTEST_START (PHYS_SDRAM_1 + 0x2000000)
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/* memtest will be run on 16MB */
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#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + 0x2000000 + 16*1024*1024)
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#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
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#define CONFIG_STACKSIZE (256*1024) /* regular stack */
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/*
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* Serial Driver info
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*/
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#define CONFIG_SYS_NS16550
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE -4 /* NS16550 register size */
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#define CONFIG_SYS_NS16550_COM1 DAVINCI_UART2_BASE /* Base address of UART2 */
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#define CONFIG_SYS_NS16550_CLK clk_get(DAVINCI_UART2_CLKID)
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#define CONFIG_CONS_INDEX 1 /* use UART0 for console */
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#define CONFIG_BAUDRATE 115200 /* Default baud rate */
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#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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/*
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* I2C Configuration
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*/
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#define CONFIG_HARD_I2C
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#define CONFIG_DRIVER_DAVINCI_I2C
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#define CONFIG_SYS_I2C_SPEED 25000
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#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */
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/*
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* U-Boot general configuration
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*/
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#define CONFIG_BOOTFILE "uImage" /* Boot file name */
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#define CONFIG_SYS_PROMPT "DA850-evm > " /* Command Prompt */
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#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
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#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Args Buffer Size */
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#define CONFIG_SYS_LOAD_ADDR (PHYS_SDRAM_1 + 0x700000)
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#define CONFIG_VERSION_VARIABLE
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#define CONFIG_AUTO_COMPLETE
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#define CONFIG_SYS_HUSH_PARSER
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#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_CRC32_VERIFY
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#define CONFIG_MX_CYCLIC
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/*
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* Linux Information
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*/
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#define LINUX_BOOT_PARAM_ADDR (CONFIG_SYS_MEMTEST_START + 0x100)
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_BOOTARGS \
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"mem=32M console=ttyS2,115200n8 root=/dev/mtdblock2 rw noinitrd ip=dhcp"
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#define CONFIG_BOOTDELAY 3
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/*
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* U-Boot commands
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*/
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#include <config_cmd_default.h>
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#define CONFIG_CMD_ENV
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#define CONFIG_CMD_ASKENV
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#define CONFIG_CMD_DHCP
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#define CONFIG_CMD_DIAG
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#define CONFIG_CMD_MII
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_SAVES
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#define CONFIG_CMD_MEMORY
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#ifndef CONFIG_DRIVER_TI_EMAC
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#undef CONFIG_CMD_NET
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#undef CONFIG_CMD_DHCP
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#undef CONFIG_CMD_MII
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#undef CONFIG_CMD_PING
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#endif
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#if !defined(CONFIG_USE_NAND) && \
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!defined(CONFIG_USE_NOR) && \
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!defined(CONFIG_USE_SPIFLASH)
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#define CONFIG_ENV_IS_NOWHERE
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#define CONFIG_SYS_NO_FLASH
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#define CONFIG_ENV_SIZE (16 << 10)
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#undef CONFIG_CMD_IMLS
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#undef CONFIG_CMD_ENV
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#endif
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#endif /* __CONFIG_H */
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