Add TI814X EVM board directory and config file. Signed-off-by: Matt Porter <mpor...@ti.com> --- board/ti/ti814x/Makefile | 46 +++++++++ board/ti/ti814x/evm.c | 198 +++++++++++++++++++++++++++++++++++++++ board/ti/ti814x/evm.h | 7 ++ board/ti/ti814x/mux.c | 51 ++++++++++ include/configs/ti814x_evm.h | 213 ++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 515 insertions(+) create mode 100644 board/ti/ti814x/Makefile create mode 100644 board/ti/ti814x/evm.c create mode 100644 board/ti/ti814x/evm.h create mode 100644 board/ti/ti814x/mux.c create mode 100644 include/configs/ti814x_evm.h
diff --git a/board/ti/ti814x/Makefile b/board/ti/ti814x/Makefile new file mode 100644 index 0000000..09d2422 --- /dev/null +++ b/board/ti/ti814x/Makefile @@ -0,0 +1,46 @@ +# +# Makefile +# +# Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ +# +# 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 "as is" WITHOUT ANY WARRANTY of any +# kind, whether express or implied; without even the implied warranty +# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +ifdef CONFIG_SPL_BUILD +COBJS := mux.o +endif + +COBJS += evm.o +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/ti/ti814x/evm.c b/board/ti/ti814x/evm.c new file mode 100644 index 0000000..53912d1 --- /dev/null +++ b/board/ti/ti814x/evm.c @@ -0,0 +1,198 @@ +/* + * evm.c + * + * Board functions for TI814x EVM + * + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ + * + * 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. + */ + +#include <common.h> +#include <errno.h> +#include <spl.h> +#include <asm/arch/cpu.h> +#include <asm/arch/hardware.h> +#include <asm/arch/omap.h> +#include <asm/arch/ddr_defs.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc_host_def.h> +#include <asm/arch/sys_proto.h> +#include <asm/io.h> +#include <asm/emif.h> +#include <asm/gpio.h> +#include "evm.h" + +DECLARE_GLOBAL_DATA_PTR; + +static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; +#ifdef CONFIG_SPL_BUILD +static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE; +#endif + +/* UART Defines */ +#ifdef CONFIG_SPL_BUILD +#define UART_RESET (0x1 << 1) +#define UART_CLK_RUNNING_MASK 0x1 +#define UART_SMART_IDLE_EN (0x1 << 0x3) + +static void rtc32k_enable(void) +{ + struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE; + + /* + * Unlock the RTC's registers. For more details please see the + * RTC_SS section of the TRM. In order to unlock we need to + * write these specific values (keys) in this order. + */ + writel(0x83e70b13, &rtc->kick0r); + writel(0x95a4f1e0, &rtc->kick1r); + + /* Enable the RTC 32K OSC by setting bits 3 and 6. */ + writel((1 << 3) | (1 << 6), &rtc->osc); +} + +static void uart_enable(void) +{ + u32 regVal; + + /* UART softreset */ + regVal = readl(&uart_base->uartsyscfg); + regVal |= UART_RESET; + writel(regVal, &uart_base->uartsyscfg); + while ((readl(&uart_base->uartsyssts) & + UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK) + ; + + /* Disable smart idle */ + regVal = readl(&uart_base->uartsyscfg); + regVal |= UART_SMART_IDLE_EN; + writel(regVal, &uart_base->uartsyscfg); +} + +static void wdt_disable(void) +{ + writel(0xAAAA, &wdtimer->wdtwspr); + while (readl(&wdtimer->wdtwwps) != 0x0) + ; + writel(0x5555, &wdtimer->wdtwspr); + while (readl(&wdtimer->wdtwwps) != 0x0) + ; +} + +static const struct cmd_control evm_ddr2_cctrl_data = { + .cmd0csratio = 0x80, + .cmd0dldiff = 0x04, + .cmd0iclkout = 0x00, + + .cmd1csratio = 0x80, + .cmd1dldiff = 0x04, + .cmd1iclkout = 0x00, + + .cmd2csratio = 0x80, + .cmd2dldiff = 0x04, + .cmd2iclkout = 0x00, +}; + +static const struct emif_regs evm_ddr2_emif0_regs = { + .sdram_config = 0x40801ab2, + .ref_ctrl = 0x10000c30, + .sdram_tim1 = 0x0aaaf552, + .sdram_tim2 = 0x043631d2, + .sdram_tim3 = 0x00000327, + .emif_ddr_phy_ctlr_1 = 0x00000007 +}; + +static const struct emif_regs evm_ddr2_emif1_regs = { + .sdram_config = 0x40801ab2, + .ref_ctrl = 0x10000c30, + .sdram_tim1 = 0x0aaaf552, + .sdram_tim2 = 0x043631d2, + .sdram_tim3 = 0x00000327, + .emif_ddr_phy_ctlr_1 = 0x00000007 +}; + +const struct dmm_lisa_map_regs evm_lisa_map_regs = { + .dmm_lisa_map_0 = 0x00000000, + .dmm_lisa_map_1 = 0x00000000, + .dmm_lisa_map_2 = 0x806c0300, + .dmm_lisa_map_3 = 0x806c0300, +}; + +static const struct ddr_data evm_ddr2_data = { + .datardsratio0 = ((0x35<<10) | (0x35<<0)), + .datawdsratio0 = ((0x20<<10) | (0x20<<0)), + .datawiratio0 = ((0<<10) | (0<<0)), + .datagiratio0 = ((0<<10) | (0<<0)), + .datafwsratio0 = ((0x90<<10) | (0x90<<0)), + .datawrsratio0 = ((0x50<<10) | (0x50<<0)), + .datauserank0delay = 1, + .datadldiff0 = 0x4, +}; +#endif + +/* + * early system init of muxing and clocks. + */ +void s_init(void) +{ +#ifdef CONFIG_SPL_BUILD + /* WDT1 is already running when the bootloader gets control + * Disable it to avoid "random" resets + */ + wdt_disable(); + + /* Setup the PLLs and the clocks for the peripherals */ + pll_init(); + + /* Enable RTC32K clock */ + rtc32k_enable(); + + /* Set UART pins */ + enable_uart0_pin_mux(); + + /* Set MMC pins */ + enable_mmc1_pin_mux(); + + /* Enable UART */ + uart_enable(); + + gd = &gdata; + + preloader_console_init(); + + config_dmm(&evm_lisa_map_regs); + + config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data, + &evm_ddr2_emif0_regs, 0); + config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data, + &evm_ddr2_emif1_regs, 1); +#endif +} + +/* + * Basic board specific setup. Pinmux has been handled already. + */ +int board_init(void) +{ + gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100; + return 0; +} + +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) +int board_mmc_init(bd_t *bis) +{ + omap_mmc_init(1, 0, 0); + + return 0; +} +#endif diff --git a/board/ti/ti814x/evm.h b/board/ti/ti814x/evm.h new file mode 100644 index 0000000..40f8710 --- /dev/null +++ b/board/ti/ti814x/evm.h @@ -0,0 +1,7 @@ +#ifndef _EVM_H +#define _EVM_H + +void enable_uart0_pin_mux(void); +void enable_mmc1_pin_mux(void); + +#endif /* _EVM_H */ diff --git a/board/ti/ti814x/mux.c b/board/ti/ti814x/mux.c new file mode 100644 index 0000000..137acb4 --- /dev/null +++ b/board/ti/ti814x/mux.c @@ -0,0 +1,51 @@ +/* + * mux.c + * + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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 version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <common.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/hardware.h> +#include <asm/arch/mux.h> +#include <asm/io.h> +#include <i2c.h> +#include "evm.h" + +static struct module_pin_mux uart0_pin_mux[] = { + {OFFSET(pincntl70), PULLUP_EN | MODE(0x01)}, /* UART0_RXD */ + {OFFSET(pincntl71), PULLUP_EN | MODE(0x01)}, /* UART0_TXD */ + {-1}, +}; + +static struct module_pin_mux mmc1_pin_mux[] = { + {OFFSET(pincntl1), PULLUP_EN | MODE(0x01)}, /* SD1_CLK */ + {OFFSET(pincntl2), PULLUP_EN | MODE(0x01)}, /* SD1_CMD */ + {OFFSET(pincntl3), PULLUP_EN | MODE(0x01)}, /* SD1_DAT[0] */ + {OFFSET(pincntl4), PULLUP_EN | MODE(0x01)}, /* SD1_DAT[1] */ + {OFFSET(pincntl5), PULLUP_EN | MODE(0x01)}, /* SD1_DAT[2] */ + {OFFSET(pincntl6), PULLUP_EN | MODE(0x01)}, /* SD1_DAT[3] */ + {OFFSET(pincntl74), PULLUP_EN | MODE(0x40)}, /* SD1_POW */ + {OFFSET(pincntl75), MODE(0x40)}, /* SD1_SDWP */ + {OFFSET(pincntl80), PULLUP_EN | MODE(0x02)}, /* SD1_SDCD */ + {-1}, +}; + +void enable_uart0_pin_mux(void) +{ + configure_module_pin_mux(uart0_pin_mux); +} + +void enable_mmc1_pin_mux(void) +{ + configure_module_pin_mux(mmc1_pin_mux); +} diff --git a/include/configs/ti814x_evm.h b/include/configs/ti814x_evm.h new file mode 100644 index 0000000..ca07eb2 --- /dev/null +++ b/include/configs/ti814x_evm.h @@ -0,0 +1,213 @@ +#define __CONFIG_TI814X_EVM_H + +#define CONFIG_TI81XX +#define CONFIG_TI814X +#define CONFIG_SYS_NO_FLASH + +#include <asm/arch/cpu.h> /* get chip and board defs */ +#include <asm/arch/hardware.h> + +#define CONFIG_DMA_COHERENT +#define CONFIG_DMA_COHERENT_SIZE (1 << 20) + +#define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ +#define CONFIG_SYS_MALLOC_LEN (1024 << 10) +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_HUSH_PARSER /* Use HUSH for command parsing */ +#define CONFIG_SYS_PROMPT "U-Boot# " +#define CONFIG_SYS_NO_FLASH +#define CONFIG_MACH_TYPE MACH_TYPE_TI8148EVM + +#define CONFIG_OF_LIBFDT +#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS 1 +#define CONFIG_INITRD_TAG 1 /* for ramdisk support */ + +/* commands to include */ +# include <config_cmd_default.h> + +#define CONFIG_CMD_ASKENV +#define CONFIG_VERSION_VARIABLE + +#define CONFIG_BOOTDELAY 1 /* negative for no autoboot */ +#define CONFIG_ENV_VARS_UBOOT_CONFIG +#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG +#define CONFIG_EXTRA_ENV_SETTINGS \ + "loadaddr=0x80200000\0" \ + "fdtaddr=0x80F80000\0" \ + "rdaddr=0x81000000\0" \ + "bootfile=/boot/uImage\0" \ + "fdtfile=\0" \ + "console=ttyO0,115200n8\0" \ + "optargs=\0" \ + "mmcdev=0\0" \ + "mmcroot=/dev/mmcblk0p2 ro\0" \ + "mmcrootfstype=ext4 rootwait\0" \ + "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ + "ramrootfstype=ext2\0" \ + "mmcargs=setenv bootargs console=${console} " \ + "${optargs} " \ + "root=${mmcroot} " \ + "rootfstype=${mmcrootfstype}\0" \ + "bootenv=uEnv.txt\0" \ + "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ + "importbootenv=echo Importing environment from mmc ...; " \ + "env import -t $loadaddr $filesize\0" \ + "ramargs=setenv bootargs console=${console} " \ + "${optargs} " \ + "root=${ramroot} " \ + "rootfstype=${ramrootfstype}\0" \ + "loadramdisk=fatload mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ + "loaduimagefat=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}\0" \ + "loaduimage=ext2load mmc ${mmcdev}:2 ${loadaddr} ${bootfile}\0" \ + "mmcboot=echo Booting from mmc ...; " \ + "run mmcargs; " \ + "bootm ${loadaddr}\0" \ + "ramboot=echo Booting from ramdisk ...; " \ + "run ramargs; " \ + "bootm ${loadaddr}\0" \ + "findfdt="\ + "if test $board_name = A335BONE; then " \ + "setenv fdtfile am335x-bone.dtb; fi; " \ + "if test $board_name = A33515BB; then " \ + "setenv fdtfile am335x-evm.dtb; fi; " \ + "if test $board_name = A335X_SK; then " \ + "setenv fdtfile am335x-evmsk.dtb; fi\0" \ + +#define CONFIG_BOOTCOMMAND \ + "mmc dev ${mmcdev}; if mmc rescan; then " \ + "echo SD/MMC found on device ${mmcdev};" \ + "if run loadbootenv; then " \ + "echo Loaded environment from ${bootenv};" \ + "run importbootenv;" \ + "fi;" \ + "if test -n $uenvcmd; then " \ + "echo Running uenvcmd ...;" \ + "run uenvcmd;" \ + "fi;" \ + "if run loaduimage; then " \ + "run mmcboot;" \ + "fi;" \ + "fi;" \ + +/* Clock Defines */ +#define V_OSCK 24000000 /* Clock output from T2 */ +#define V_SCLK (V_OSCK >> 1) + +#define CONFIG_CMD_ECHO + +/* max number of command args */ +#define CONFIG_SYS_MAXARGS 16 + +/* Console I/O Buffer Size */ +#define CONFIG_SYS_CBSIZE 512 + +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ + + sizeof(CONFIG_SYS_PROMPT) + 16) + +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +/* memtest works on 8 MB in DRAM offset 32MB from start of ram disk*/ +#define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ + + (8 * 1024 * 1024)) + +#define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default */ +#define CONFIG_SYS_HZ 1000 /* 1ms clock */ + +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_OMAP_HSMMC +#define CONFIG_CMD_MMC +#define CONFIG_DOS_PARTITION +#define CONFIG_CMD_FAT +#define CONFIG_CMD_EXT2 + +/** + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 /* 1 banks of DRAM */ +#define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ +#define PHYS_DRAM_1_SIZE 0x20000000 /* 512MB */ +#define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1024MB */ + +#define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 +#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ + GENERATED_GBL_DATA_SIZE) + +/** + * Platform/Board specific defs + */ +#define CONFIG_SYS_TIMERBASE 0x4802E000 +#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ +#define CONFIG_SYS_HZ 1000 + +#undef CONFIG_NAND_OMAP_GPMC + +/* NS16550 Configuration */ +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE (-4) +#define CONFIG_SYS_NS16550_CLK (48000000) +#define CONFIG_SYS_NS16550_COM1 0x48020000 /* Base EVM has UART0 */ + +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ +4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } + +#define CONFIG_ENV_OVERWRITE 1 +#define CONFIG_CONS_INDEX 1 +#define CONFIG_SYS_CONSOLE_INFO_QUIET + +#define CONFIG_ENV_IS_NOWHERE + +/* Defines for SPL */ +#define CONFIG_SPL +#define CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_TEXT_BASE 0x40300000 +#define CONFIG_SPL_MAX_SIZE ((128 - 18) * 1024) +#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR + +#define CONFIG_SPL_BSS_START_ADDR 0x80000000 +#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ + +#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ +#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ +#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 +#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" +#define CONFIG_SPL_MMC_SUPPORT +#define CONFIG_SPL_FAT_SUPPORT + +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBDISK_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_GPIO_SUPPORT +#define CONFIG_SPL_YMODEM_SUPPORT +#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 +#define CONFIG_SYS_SPI_U_BOOT_SIZE 0x40000 +#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" + +#define CONFIG_SPL_BOARD_INIT + +/* + * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM + * 64 bytes before this address should be set aside for u-boot.img's + * header. That is 0x800FFFC0--0x80800000 should not be used for any + * other needs. + */ +#define CONFIG_SYS_TEXT_BASE 0x80800000 +#define CONFIG_SYS_SPL_MALLOC_START 0x80208000 +#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 + +/* Since SPL did pll and ddr initialization for us, + * we don't need to do it twice. + */ +#ifndef CONFIG_SPL_BUILD +#define CONFIG_SKIP_LOWLEVEL_INIT +#endif + +/* Unsupported features */ +#undef CONFIG_USE_IRQ -- 1.7.9.5 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
