This contains support for the following components: - DUART - MMC - Both FEC interfaces - NAND - I2C (RTC, EEPROM) - SPI (FLASH)
Signed-off-by: Marek Vasut marek.vasut@gmail.com Cc: Stefano Babic sbabic@denx.de Cc: Wolfgang Denk wd@denx.de Cc: Detlev Zundel dzu@denx.de --- MAINTAINERS | 1 + board/denx/m28evk/Makefile | 49 ++++++++ board/denx/m28evk/m28evk.c | 195 ++++++++++++++++++++++++++++++ boards.cfg | 1 + include/configs/m28evk.h | 281 ++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 527 insertions(+), 0 deletions(-) create mode 100644 board/denx/m28evk/Makefile create mode 100644 board/denx/m28evk/m28evk.c create mode 100644 include/configs/m28evk.h
diff --git a/MAINTAINERS b/MAINTAINERS index 2f60a60..61a55a8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -847,6 +847,7 @@ Marek Vasut marek.vasut@gmail.com palmtc xscale/pxa vpac270 xscale/pxa zipitz2 xscale/pxa + m28evk i.MX28 efikamx i.MX51
Hugo Villeneuve hugo.villeneuve@lyrtech.com diff --git a/board/denx/m28evk/Makefile b/board/denx/m28evk/Makefile new file mode 100644 index 0000000..4037199 --- /dev/null +++ b/board/denx/m28evk/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := m28evk.o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +clean: + rm -f $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c new file mode 100644 index 0000000..118e222 --- /dev/null +++ b/board/denx/m28evk/m28evk.c @@ -0,0 +1,195 @@ +/* + * DENX M28 module + * + * Copyright (C) 2011 Marek Vasut marek.vasut@gmail.com + * on behalf of DENX Software Engineering GmbH + * + * 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/gpio.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux-mx28.h> +#include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> +#include <linux/mii.h> +#include <miiphy.h> +#include <netdev.h> +#include <errno.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Functions + */ +int board_early_init_f(void) +{ + /* IO0 clock at 480MHz */ + mx28_set_ioclk(MXC_IOCLK0, 480000); + /* IO1 clock at 480MHz */ + mx28_set_ioclk(MXC_IOCLK1, 480000); + + /* SSP0 clock at 96MHz */ + mx28_set_sspclk(MXC_SSPCLK0, 96000, 0); + /* SSP2 clock at 96MHz */ + mx28_set_sspclk(MXC_SSPCLK2, 96000, 0); + + return 0; +} + +int board_init(void) +{ + /* Adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE); + return 0; +} + +#ifdef CONFIG_CMD_MMC +static int m28_mmc_wp(int id) +{ + if (id != 0) { + printf("MXS MMC: Invalid card selected (card id = %d)\n", id); + return 1; + } + + return gpio_get_value(MX28_PAD_AUART2_CTS__GPIO_3_10); +} + +int board_mmc_init(bd_t *bis) +{ + /* Configure WP as output */ + gpio_direction_input(MX28_PAD_AUART2_CTS__GPIO_3_10); + + return mxsmmc_initialize(bis, 0, m28_mmc_wp); +} +#endif + +#ifdef CONFIG_CMD_NET + +#define MII_OPMODE_STRAP_OVERRIDE 0x16 +#define MII_PHY_CTRL1 0x1e +#define MII_PHY_CTRL2 0x1f + +int fecmxc_mii_postcall(int phy) +{ + miiphy_write("FEC1", phy, MII_BMCR, 0x9000); + miiphy_write("FEC1", phy, MII_OPMODE_STRAP_OVERRIDE, 0x0202); + if (phy == 3) + miiphy_write("FEC1", 3, MII_PHY_CTRL2, 0x8180); + return 0; +} + +int board_eth_init(bd_t *bis) +{ + struct mx28_clkctrl_regs *clkctrl_regs = + (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct eth_device *dev; + int ret; + + ret = cpu_eth_init(bis); + + clrsetbits_le32(&clkctrl_regs->hw_clkctrl_enet, + CLKCTRL_ENET_TIME_SEL_MASK | CLKCTRL_ENET_CLK_OUT_EN, + CLKCTRL_ENET_TIME_SEL_RMII_CLK); + + ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE); + if (ret) { + printf("FEC MXS: Unable to init FEC0\n"); + return ret; + } + + ret = fecmxc_initialize_multi(bis, 1, 3, MXS_ENET1_BASE); + if (ret) { + printf("FEC MXS: Unable to init FEC1\n"); + return ret; + } + + dev = eth_get_dev_by_name("FEC0"); + if (!dev) { + printf("FEC MXS: Unable to get FEC0 device entry\n"); + return -EINVAL; + } + + ret = fecmxc_register_mii_postcall(dev, fecmxc_mii_postcall); + if (ret) { + printf("FEC MXS: Unable to register FEC0 mii postcall\n"); + return ret; + } + + dev = eth_get_dev_by_name("FEC1"); + if (!dev) { + printf("FEC MXS: Unable to get FEC1 device entry\n"); + return -EINVAL; + } + + ret = fecmxc_register_mii_postcall(dev, fecmxc_mii_postcall); + if (ret) { + printf("FEC MXS: Unable to register FEC1 mii postcall\n"); + return ret; + } + + return ret; +} + +#ifdef CONFIG_M28_FEC_MAC_IN_OCOTP + +#define MXS_OCOTP_MAX_TIMEOUT 1000000 +void imx_get_mac_from_fuse(char *mac) +{ + struct mx28_ocotp_regs *ocotp_regs = + (struct mx28_ocotp_regs *)MXS_OCOTP_BASE; + uint32_t data; + + memset(mac, 0, 6); + + writel(OCOTP_CTRL_RD_BANK_OPEN, &ocotp_regs->hw_ocotp_ctrl_set); + + if (mx28_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY, + MXS_OCOTP_MAX_TIMEOUT)) { + printf("MXS FEC: Can't get MAC from OCOTP\n"); + return; + } + + data = readl(&ocotp_regs->hw_ocotp_cust0); + + mac[0] = 0x00; + mac[1] = 0x04; + mac[2] = (data >> 24) & 0xff; + mac[3] = (data >> 16) & 0xff; + mac[4] = (data >> 8) & 0xff; + mac[5] = data & 0xff; +} +#else +void imx_get_mac_from_fuse(char *mac) +{ + memset(mac, 0, 6); +} +#endif + +#endif diff --git a/boards.cfg b/boards.cfg index 8a5bfc1..c5d8a90 100644 --- a/boards.cfg +++ b/boards.cfg @@ -147,6 +147,7 @@ jadecpu arm arm926ejs jadecpu syteco zmx25 arm arm926ejs zmx25 syteco mx25 imx27lite arm arm926ejs imx27lite logicpd mx27 magnesium arm arm926ejs imx27lite logicpd mx27 +m28evk arm arm926ejs - denx mx28 nhk8815 arm arm926ejs nhk8815 st nomadik nhk8815_onenand arm arm926ejs nhk8815 st nomadik nhk8815:BOOT_ONENAND omap5912osk arm arm926ejs - ti omap diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h new file mode 100644 index 0000000..c50f104 --- /dev/null +++ b/include/configs/m28evk.h @@ -0,0 +1,281 @@ +/* + * Copyright (C) 2011 Marek Vasut marek.vasut@gmail.com + * on behalf of DENX Software Engineering GmbH + * + * 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 + */ +#ifndef __M28_H__ +#define __M28_H__ + +#include <asm/arch/regs-base.h> + +/* + * SoC configurations + */ +#define CONFIG_MX28 /* i.MX28 SoC */ +#define CONFIG_MXS_GPIO /* GPIO control */ +#define CONFIG_SYS_HZ 1000 /* Ticks per second */ + +/* + * Define M28EVK machine type by hand until it lands in mach-types + */ +#define MACH_TYPE_M28EVK 3613 + +#define CONFIG_MACH_TYPE MACH_TYPE_M28EVK + +#define CONFIG_SYS_NO_FLASH +#define CONFIG_SYS_ICACHE_OFF +#define CONFIG_SYS_DCACHE_OFF +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_ARCH_CPU_INIT + +/* + * U-Boot Commands + */ +#include <config_cmd_default.h> +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DOS_PARTITION + +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_DATE +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_EEPROM +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_CMD_GPIO +#define CONFIG_CMD_I2C +#define CONFIG_CMD_MII +#define CONFIG_CMD_MMC +#define CONFIG_CMD_NAND +#define CONFIG_CMD_NET +#define CONFIG_CMD_NFS +#define CONFIG_CMD_PING +#define CONFIG_CMD_SETEXPR +#define CONFIG_CMD_SF +#define CONFIG_CMD_SPI + +/* + * Memory configurations + */ +#define CONFIG_NR_DRAM_BANKS 1 /* 2 banks of DRAM */ +#define PHYS_SDRAM_1 0x40000000 /* Base address */ +#define PHYS_SDRAM_1_SIZE 0x10000000 /* 256 MB */ +#define CONFIG_STACKSIZE 0x00010000 /* 128 KB stack */ +#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */ +#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ +#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +/* Point initial SP in SRAM so SPL can use it too. */ +#define CONFIG_SYS_INIT_SP_ADDR 0x00002000 +/* + * We need to sacrifice first 4 bytes of RAM here to avoid triggering some + * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot + * binary. In case there was more of this mess, 0x100 bytes are skipped. + */ +#define CONFIG_SYS_TEXT_BASE 0x40000100 + +/* + * U-Boot general configurations + */ +#define CONFIG_SYS_LONGHELP +#define CONFIG_SYS_PROMPT "=> " +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ +#define CONFIG_SYS_PBSIZE \ + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) + /* Print buffer size */ +#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + /* Boot argument buffer size */ +#define CONFIG_VERSION_VARIABLE /* U-BOOT version */ +#define CONFIG_AUTO_COMPLETE /* Command auto complete */ +#define CONFIG_CMDLINE_EDITING /* Command history etc */ +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " + +/* + * Serial Driver + */ +#define CONFIG_PL011_SERIAL +#define CONFIG_PL011_CLOCK 24000000 +#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } +#define CONFIG_CONS_INDEX 0 +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* + * MMC Driver + */ +#ifdef CONFIG_CMD_MMC +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_MXS_MMC +#endif + +/* + * NAND + */ +#ifdef CONFIG_CMD_NAND +#define CONFIG_NAND_MXS +#define CONFIG_APBH_DMA +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE 0x60000000 +#define CONFIG_SYS_NAND_5_ADDR_CYCLE +#define NAND_MAX_CHIPS 8 + +/* Environment is in NAND */ +#define CONFIG_ENV_IS_IN_NAND 1 +#define CONFIG_ENV_SECT_SIZE (128 * 1024) +#define CONFIG_ENV_SIZE (16 * 1024) +#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE +#define CONFIG_ENV_OFFSET 0x300000 +#define CONFIG_ENV_OFFSET_REDUND \ + (CONFIG_ENV_OFFSET + CONFIG_ENV_SECT_SIZE) + +#define CONFIG_CMD_UBI +#define CONFIG_CMD_UBIFS +#define CONFIG_CMD_MTDPARTS +#define CONFIG_RBTREE +#define CONFIG_LZO +#define CONFIG_MTD_DEVICE +#define CONFIG_MTD_PARTITIONS +#define MTDIDS_DEFAULT "nand0=gpmi-nand.0" +#define MTDPARTS_DEFAULT \ + "mtdparts=gpmi-nand.0:" \ + "3m(bootloader)ro," \ + "128k(environment)," \ + "128k(redundant-environment)," \ + "4m(kernel)," \ + "-(filesystem)" +#endif + +/* + * Ethernet on SOC (FEC) + */ +#ifdef CONFIG_CMD_NET +#define CONFIG_NET_MULTI +#define CONFIG_ETHPRIME "FEC0" +#define CONFIG_FEC_MXC +#define CONFIG_FEC_MXC_MULTI +#define CONFIG_MII +#define CONFIG_DISCOVER_PHY +#define CONFIG_FEC_XCV_TYPE RMII +#endif + +/* + * I2C + */ +#ifdef CONFIG_CMD_I2C +#define CONFIG_I2C_MXS +#define CONFIG_HARD_I2C +#define CONFIG_SYS_I2C_SPEED 400000 +#endif + +/* + * EEPROM + */ +#ifdef CONFIG_CMD_EEPROM +#define CONFIG_SYS_I2C_MULTI_EEPROMS +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 +#endif + +/* + * RTC + */ +#ifdef CONFIG_CMD_DATE +/* Use the internal RTC in the MXS chip */ +#define CONFIG_RTC_INTERNAL +#ifdef CONFIG_RTC_INTERNAL +#define CONFIG_RTC_MXS +#else +#define CONFIG_RTC_M41T62 +#define CONFIG_SYS_I2C_RTC_ADDR 0x68 +#define CONFIG_SYS_M41T11_BASE_YEAR 2000 +#endif +#endif + +/* + * SPI + */ +#ifdef CONFIG_CMD_SPI +#define CONFIG_HARD_SPI +#define CONFIG_MXS_SPI +#define CONFIG_SPI_HALF_DUPLEX +#define CONFIG_DEFAULT_SPI_BUS 2 +#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 + +/* SPI FLASH */ +#ifdef CONFIG_CMD_SF +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_STMICRO +#define CONFIG_SPI_FLASH_CS 2 +#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 +#define CONFIG_SF_DEFAULT_SPEED 24000000 + +#define CONFIG_ENV_SPI_CS 0 +#define CONFIG_ENV_SPI_BUS 2 +#define CONFIG_ENV_SPI_MAX_HZ 24000000 +#define CONFIG_ENV_SPI_MODE SPI_MODE_0 +#endif +#endif + +/* + * Boot Linux + */ +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTFILE "uImage" +#define CONFIG_BOOTARGS "console=ttyAM0,115200n8 " +#define CONFIG_BOOTCOMMAND "run bootcmd_net" +#define CONFIG_LOADADDR 0x42000000 +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR + +/* + * Extra Environments + */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + "update_nand_full_filename=u-boot.nand\0" \ + "update_nand_firmware_filename=u-boot.sb\0" \ + "update_nand_firmware_maxsz=0x100000\0" \ + "update_nand_stride=0x40\0" /* MX28 datasheet ch. 12.12 */ \ + "update_nand_count=0x4\0" /* MX28 datasheet ch. 12.12 */ \ + "update_nand_get_fcb_size=" /* Get size of FCB blocks */ \ + "nand device 0 ; " \ + "nand info ; " \ + "setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \ + "setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \ + "update_nand_full=" /* Update FCB, DBBT and FW */ \ + "if tftp ${update_nand_full_filename} ; then " \ + "run update_nand_get_fcb_size ; " \ + "nand scrub.quiet 0x0 ${filesize} ; " \ + "nand write.raw ${loadaddr} 0x0 ${update_nand_fcb} ; " \ + "setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \ + "setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \ + "nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \ + "fi\0" \ + "update_nand_firmware=" /* Update only firmware */ \ + "if tftp ${update_nand_firmware_filename} ; then " \ + "run update_nand_get_fcb_size ; " \ + "setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \ + "setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; " \ + "setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \ + "nand erase ${fcb_sz} ${fw_sz} ; " \ + "nand write ${loadaddr} ${fcb_sz} ${filesize} ; " \ + "nand write ${loadaddr} ${fw_off} ${filesize} ; " \ + "fi\0" + +#endif /* __M28_H__ */