[U-Boot] [PATCH 07/10] ti814x_evm: add ti814x evm board support
Matt Porter
mporter at ti.com
Wed Feb 13 15:44:01 CET 2013
Add TI814X EVM board directory and config file.
Signed-off-by: Matt Porter <mporter at 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
More information about the U-Boot
mailing list