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 --- MAINTAINERS | 4 + MAKEALL | 1 + Makefile | 3 +- arch/arm/include/asm/arch-davinci/hardware.h | 1 + board/davinci/da8xxevm/Makefile | 1 + board/davinci/da8xxevm/da850evm.c | 111 ++++++++++++++++++++ include/configs/da850evm.h | 140 ++++++++++++++++++++++++++ 7 files changed, 260 insertions(+), 1 deletions(-) create mode 100644 board/davinci/da8xxevm/da850evm.c create mode 100644 include/configs/da850evm.h

diff --git a/MAINTAINERS b/MAINTAINERS index 7a13d28..e8d3b50 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -349,6 +349,10 @@ Daniel Poirot dan.poirot@windriver.com sbc8240 MPC8240 sbc405 PPC405GP

+Sudhakar Rajashekhara sudhakar.raj@ti.com + + da850evm ARM926EJS (DA850/OMAP-L138) + Ricardo Ribalda ricardo.ribalda@uam.es

ml507 PPC440x5 diff --git a/MAKEALL b/MAKEALL index 2527352..4cd69e4 100755 --- a/MAKEALL +++ b/MAKEALL @@ -561,6 +561,7 @@ LIST_ARM9=" \ cp946es \ cp966 \ da830evm \ + da850evm \ edb9301 \ edb9302 \ edb9302a \ diff --git a/Makefile b/Makefile index 1fb4d21..843e057 100644 --- a/Makefile +++ b/Makefile @@ -2916,7 +2916,8 @@ cp922_XA10_config \ cp1026_config: unconfig @board/armltd/integrator/split_by_variant.sh cp $@

-da830evm_config: unconfig +da830evm_config \ +da850evm_config: unconfig @$(MKCONFIG) $(@:_config=) arm arm926ejs da8xxevm davinci davinci

davinci_dvevm_config : unconfig diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index 81cc8ab..3520cf8 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -398,6 +398,7 @@ struct davinci_syscfg_regs { #define DAVINCI_SYSCFG_SUSPSRC_EMAC (1 << 5) #define DAVINCI_SYSCFG_SUSPSRC_I2C (1 << 16) #define DAVINCI_SYSCFG_SUSPSRC_SPI0 (1 << 21) +#define DAVINCI_SYSCFG_SUSPSRC_SPI1 (1 << 22) #define DAVINCI_SYSCFG_SUSPSRC_UART2 (1 << 20) #define DAVINCI_SYSCFG_SUSPSRC_TIMER0 (1 << 27)

diff --git a/board/davinci/da8xxevm/Makefile b/board/davinci/da8xxevm/Makefile index 56047dc..17cbe86 100644 --- a/board/davinci/da8xxevm/Makefile +++ b/board/davinci/da8xxevm/Makefile @@ -29,6 +29,7 @@ LIB = $(obj)lib$(BOARD).a

COBJS-y += common.o COBJS-$(CONFIG_MACH_DAVINCI_DA830_EVM) += da830evm.o +COBJS-$(CONFIG_MACH_DAVINCI_DA850_EVM) += da850evm.o

COBJS := $(COBJS-y)

diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c new file mode 100644 index 0000000..aa24443 --- /dev/null +++ b/board/davinci/da8xxevm/da850evm.c @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Based on da830evm.c. Original Copyrights follow: + * + * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. nick.thompson@gefanuc.com + * Copyright (C) 2007 Sergey Kubushyn ksi@koi8.net + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <common.h> +#include <i2c.h> +#include <asm/arch/hardware.h> +#include <asm/io.h> +#include "../common/misc.h" +#include "common.h" + +DECLARE_GLOBAL_DATA_PTR; + +#define pinmux &davinci_syscfg_regs->pinmux + +/* SPI0 pin muxer settings */ +static const struct pinmux_config spi1_pins[] = { + { pinmux[5], 1, 1 }, + { pinmux[5], 1, 2 }, + { pinmux[5], 1, 4 }, + { pinmux[5], 1, 5 } +}; + +/* UART pin muxer settings */ +static const struct pinmux_config uart_pins[] = { + { pinmux[0], 4, 6 }, + { pinmux[0], 4, 7 }, + { pinmux[4], 2, 4 }, + { pinmux[4], 2, 5 } +}; + +/* I2C pin muxer settings */ +static const struct pinmux_config i2c_pins[] = { + { pinmux[4], 2, 2 }, + { pinmux[4], 2, 3 } +}; + +static const struct pinmux_resource pinmuxes[] = { +#ifdef CONFIG_SPI_FLASH + PINMUX_ITEM(spi1_pins), +#endif + PINMUX_ITEM(uart_pins), + PINMUX_ITEM(i2c_pins), +}; + +static const struct lpsc_resource lpsc[] = { + { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */ + { DAVINCI_LPSC_SPI1 }, /* Serial Flash */ + { DAVINCI_LPSC_EMAC }, /* image download */ + { DAVINCI_LPSC_UART2 }, /* console */ + { DAVINCI_LPSC_GPIO }, +}; + +int board_init(void) +{ +#ifndef CONFIG_USE_IRQ + irq_init(); +#endif + + /* arch number of the board */ + gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA850_EVM; + + /* address of boot parameters */ + gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; + + /* + * Power on required peripherals + * ARM does not have access by default to PSC0 and PSC1 + * assuming here that the DSP bootloader has set the IOPU + * such that PSC access is available to ARM + */ + if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc))) + return 1; + + /* setup the SUSPSRC for ARM to control emulation suspend */ + writel(readl(&davinci_syscfg_regs->suspsrc) & + ~(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C | + DAVINCI_SYSCFG_SUSPSRC_SPI1 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 | + DAVINCI_SYSCFG_SUSPSRC_UART2), + &davinci_syscfg_regs->suspsrc); + + /* configure pinmux settings */ + if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes))) + return 1; + + /* enable the console UART */ + writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST | + DAVINCI_UART_PWREMU_MGMT_UTRST), + &davinci_uart2_ctrl_regs->pwremu_mgmt); + + return(0); +} diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h new file mode 100644 index 0000000..9879000 --- /dev/null +++ b/include/configs/da850evm.h @@ -0,0 +1,140 @@ +/* + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Based on davinci_dvevm.h. Original Copyrights follow: + * + * Copyright (C) 2007 Sergey Kubushyn ksi@koi8.net + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * Board + */ + +/* + * SoC Configuration + */ +#define CONFIG_MACH_DAVINCI_DA850_EVM +#define CONFIG_ARM926EJS /* arm926ejs CPU core */ +#define CONFIG_SOC_DA8XX /* TI DA8xx SoC */ +#define CONFIG_SYS_CLK_FREQ clk_get(DAVINCI_ARM_CLKID) +#define CONFIG_SYS_OSCIN_FREQ 24000000 +#define CONFIG_SYS_TIMERBASE DAVINCI_TIMER0_BASE +#define CONFIG_SYS_HZ_CLOCK clk_get(DAVINCI_AUXCLK_CLKID) +#define CONFIG_SYS_HZ 1000 +#define CONFIG_SKIP_LOWLEVEL_INIT +#define CONFIG_SKIP_RELOCATE_UBOOT /* to a proper address, init done */ + +/* + * Memory Info + */ +#define CONFIG_SYS_MALLOC_LEN (0x10000 + 1*1024*1024) /* malloc() len */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* reserved for initial data */ +#define PHYS_SDRAM_1 DAVINCI_DDR_EMIF_DATA_BASE /* DDR Start */ +#define PHYS_SDRAM_1_SIZE (64 << 20) /* SDRAM size 64MB */ + +/* memtest start addr */ +#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1 + 0x2000000 + +/* memtest will be run on 16MB */ +#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + 0x2000000 + 16*1024*1024) + +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ +#define CONFIG_STACKSIZE (256*1024) /* regular stack */ + +/* + * Serial Driver info + */ +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE -4 /* NS16550 register size */ +#define CONFIG_SYS_NS16550_COM1 DAVINCI_UART2_BASE /* Base address of UART2 */ +#define CONFIG_SYS_NS16550_CLK clk_get(DAVINCI_UART2_CLKID) +#define CONFIG_CONS_INDEX 1 /* use UART0 for console */ +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* + * I2C Configuration + */ +#define CONFIG_HARD_I2C +#define CONFIG_DRIVER_DAVINCI_I2C +#define CONFIG_SYS_I2C_SPEED 25000 +#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ + +/* + * U-Boot general configuration + */ +#define CONFIG_BOOTFILE "uImage" /* Boot file name */ +#define CONFIG_SYS_PROMPT "DA850-evm > " /* Command Prompt */ +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Args Buffer Size */ +#define CONFIG_SYS_LOAD_ADDR (PHYS_SDRAM_1 + 0x700000) +#define CONFIG_VERSION_VARIABLE +#define CONFIG_AUTO_COMPLETE +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_CMDLINE_EDITING +#define CONFIG_SYS_LONGHELP +#define CONFIG_CRC32_VERIFY +#define CONFIG_MX_CYCLIC + +/* + * Linux Information + */ +#define LINUX_BOOT_PARAM_ADDR (CONFIG_SYS_MEMTEST_START + 0x100) +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_BOOTARGS \ + "mem=32M console=ttyS2,115200n8 root=/dev/mtdblock2 rw noinitrd ip=dhcp" +#define CONFIG_BOOTDELAY 3 + +/* + * U-Boot commands + */ +#include <config_cmd_default.h> +#define CONFIG_CMD_ENV +#define CONFIG_CMD_ASKENV +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_DIAG +#define CONFIG_CMD_MII +#define CONFIG_CMD_PING +#define CONFIG_CMD_SAVES +#define CONFIG_CMD_MEMORY + +#ifndef CONFIG_DRIVER_TI_EMAC +#undef CONFIG_CMD_NET +#undef CONFIG_CMD_DHCP +#undef CONFIG_CMD_MII +#undef CONFIG_CMD_PING +#endif + +#if !defined(CONFIG_USE_NAND) && \ + !defined(CONFIG_USE_NOR) && \ + !defined(CONFIG_USE_SPIFLASH) +#define CONFIG_ENV_IS_NOWHERE +#define CONFIG_SYS_NO_FLASH +#define CONFIG_ENV_SIZE (16 << 10) +#undef CONFIG_CMD_IMLS +#undef CONFIG_CMD_ENV +#endif + +#endif /* __CONFIG_H */