STM378x: Add the TX28 Starterkit-5 baseboard
This file is to be used in conjunction with the TX28 CPU module. Signed-off-by: Juergen Beisert <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Juergen Beisert
Sascha Hauer
parent
5945a269d3
commit
5cd3372315
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@ -1 +1,2 @@
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obj-y += tx28.o
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obj-$(CONFIG_MACH_TX28STK5) += tx28-stk5.o
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@ -0,0 +1,47 @@
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#
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#
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machine=tx28
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baseboard=tx28stk5
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# use 'dhcp' to do dhcp in barebox and in kernel
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# use 'none' if you want to skip kernel ip autoconfiguration
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ip=dhcp
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# or set your networking parameters here
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#eth0.ipaddr=a.b.c.d
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#eth0.ethaddr=de:ad:be:ef:00:00
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#eth0.netmask=a.b.c.d
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#eth0.serverip=a.b.c.d
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#eth0.gateway=a.b.c.d
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# can be either 'net'
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kernel_loc=net
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# can be either 'net' or 'initrd'
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rootfs_loc=net
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# can be either 'jffs2' or 'ubifs'
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rootfs_type=ubifs
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rootfsimage=root-$machine.$rootfs_type
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# The image type of the kernel. Can be uimage, zimage, raw, or raw_lzo
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kernelimage_type=zimage
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kernelimage=zImage-$machine
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#kernelimage_type=uimage
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#kernelimage=uImage-$machine
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#kernelimage_type=raw
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#kernelimage=Image-$machine
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#kernelimage_type=raw_lzo
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#kernelimage=Image-$machine.lzo
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if [ -n $user ]; then
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kernelimage="$user"-"$kernelimage"
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nfsroot="$eth0.serverip:/home/$user/nfsroot/$machine"
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rootfsimage="$user"-"$rootfsimage"
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else
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nfsroot="$eth0.serverip:/path/to/nfs/root"
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fi
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autoboot_timeout=3
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bootargs="console=ttyAM0,115200 tx28_base=$baseboard"
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@ -0,0 +1,229 @@
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/*
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* Copyright (C) 2010 Juergen Beisert, Pengutronix <kernel@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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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#include <common.h>
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#include <init.h>
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#include <gpio.h>
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#include <environment.h>
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#include <errno.h>
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#include <mci.h>
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#include <fec.h>
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#include <asm/io.h>
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#include <mach/imx-regs.h>
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#include <mach/clock.h>
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#include <mach/mci.h>
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static struct stm_mci_platform_data mci_pdata = {
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.caps = MMC_MODE_4BIT | MMC_MODE_HS | MMC_MODE_HS_52MHz,
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.voltages = MMC_VDD_32_33 | MMC_VDD_33_34, /* fixed to 3.3 V */
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.f_min = 400 * 1000,
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};
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static struct device_d mci_socket = {
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.name = "stm_mci",
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.map_base = IMX_SSP0_BASE,
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.platform_data = &mci_pdata,
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};
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/* PhyAD[0..2]=0, RMIISEL=1 */
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static struct fec_platform_data fec_info = {
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.xcv_type = RMII,
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.phy_addr = 0,
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};
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static struct device_d fec_dev = {
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.name = "fec_imx",
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.map_base = IMX_FEC0_BASE,
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.platform_data = &fec_info,
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};
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static const uint32_t tx28_starterkit_pad_setup[] = {
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/*
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* Part II of phy's initialization
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* Setup phy's mode to '111'
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*/
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/*
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* force the mod pins to a specific level
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* '111' means: "All capable. Auto-negotiation enabled".
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* For other values refer LAN8710's datasheet,
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* chapter "Mode Bus - MODE[2:0]"
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*/
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ENET0_RXD0_GPIO | VE_3_3V | GPIO_OUT | GPIO_VALUE(1), /* MOD0 */
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ENET0_RXD1_GPIO | VE_3_3V | GPIO_OUT | GPIO_VALUE(1), /* MOD1 */
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ENET0_RX_EN_GPIO | VE_3_3V | GPIO_OUT | GPIO_VALUE(1), /* MOD2 */
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/* release the reset ('mod' pins get latched) */
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ENET0_RX_CLK_GPIO | VE_3_3V | BITKEEPER(0) | GPIO_OUT | GPIO_VALUE(1),
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/* right now the 'mod' pins are in their native mode */
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ENET0_RXD0 | VE_3_3V | PULLUP(0),
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ENET0_RXD1 | VE_3_3V | PULLUP(0),
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ENET0_RX_EN | VE_3_3V | PULLUP(0),
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/* Debug UART, available at card connector UART1 */
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AUART0_CTS_DUART_RX | VE_3_3V | STRENGTH(S8MA),
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AUART0_RTS_DUART_TX | VE_3_3V | STRENGTH(S8MA),
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AUART0_RX_DUART_CTS | VE_3_3V | STRENGTH(S8MA),
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AUART0_TX_DUART_RTS | VE_3_3V | STRENGTH(S8MA),
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/* Application UART, available at connector UART2 */
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AUART1_RX | VE_3_3V | BITKEEPER(0),
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AUART1_TX | VE_3_3V | BITKEEPER(0),
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AUART1_CTS | VE_3_3V | PULLUP(1),
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AUART1_RTS | VE_3_3V | PULLUP(1),
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/* Application UART, available at connector FIXME */
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AUART2_RX | VE_3_3V | PULLUP(1),
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AUART2_TX | VE_3_3V | PULLUP(1),
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AUART2_CTS | VE_3_3V | BITKEEPER(0),
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AUART2_RTS | VE_3_3V | BITKEEPER(0),
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/* MCI interface */
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SSP0_D0 | VE_3_3V | PULLUP(1),
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SSP0_D1 | VE_3_3V | PULLUP(1),
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SSP0_D2 | VE_3_3V | PULLUP(1),
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SSP0_D3 | VE_3_3V | PULLUP(1),
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SSP0_CMD | VE_3_3V | PULLUP(1),
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SSP0_CD | VE_3_3V | PULLUP(1),
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SSP0_SCK | VE_3_3V | BITKEEPER(0),
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/* MCI slot power control 1 = off */
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PWM3_GPIO | VE_3_3V | GPIO_OUT | GPIO_VALUE(0),
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/* MCI write protect 1 = not protected */
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SSP1_SCK_GPIO | VE_3_3V | GPIO_IN, /* FIXME pull up ? */
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/* LED */
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ENET0_RXD3_GPIO | VE_3_3V | GPIO_OUT | GPIO_VALUE(1),
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/*
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* The backlight is on, if:
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* - the PWM0 pin outputs a low level
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* * AND *
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* - the LCD_ENABLE is at high level.
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* In all other combinations the backlight is off.
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*
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* Switch it off here to avoid flickering.
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*/
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PWM0_GPIO | VE_3_3V | PULLUP(0) | GPIO_OUT | GPIO_VALUE(1),
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/* LCD interface to the VGA connector */
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/* sync signals */
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LCD_WR_RWN_LCD_HSYNC | VE_3_3V | BITKEEPER(0),
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LCD_RD_E_LCD_VSYNC | VE_3_3V | BITKEEPER(0),
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LCD_CS_LCD_ENABLE | VE_3_3V | BITKEEPER(0),
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LCD_RS_LCD_DOTCLK | VE_3_3V | BITKEEPER(0),
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/* data signals */
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LCD_D0 | VE_3_3V | BITKEEPER(0),
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LCD_D1 | VE_3_3V | BITKEEPER(0),
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LCD_D2 | VE_3_3V | BITKEEPER(0),
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LCD_D3 | VE_3_3V | BITKEEPER(0),
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LCD_D4 | VE_3_3V | BITKEEPER(0),
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LCD_D5 | VE_3_3V | BITKEEPER(0),
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LCD_D6 | VE_3_3V | BITKEEPER(0),
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LCD_D7 | VE_3_3V | BITKEEPER(0),
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LCD_D8 | VE_3_3V | BITKEEPER(0),
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LCD_D9 | VE_3_3V | BITKEEPER(0),
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LCD_D10 | VE_3_3V | BITKEEPER(0),
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LCD_D11 | VE_3_3V | BITKEEPER(0),
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LCD_D12 | VE_3_3V | BITKEEPER(0),
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LCD_D13 | VE_3_3V | BITKEEPER(0),
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LCD_D14 | VE_3_3V | BITKEEPER(0),
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LCD_D15 | VE_3_3V | BITKEEPER(0),
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LCD_D16 | VE_3_3V | BITKEEPER(0),
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LCD_D17 | VE_3_3V | BITKEEPER(0),
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LCD_D18 | VE_3_3V | BITKEEPER(0),
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LCD_D19 | VE_3_3V | BITKEEPER(0),
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LCD_D20 | VE_3_3V | BITKEEPER(0),
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LCD_D21 | VE_3_3V | BITKEEPER(0),
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LCD_D22 | VE_3_3V | BITKEEPER(0),
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LCD_D23 | VE_3_3V | BITKEEPER(0),
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/* keep display's reset at low */
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LCD_RESET_GPIO | VE_3_3V | GPIO_OUT | GPIO_VALUE(0),
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/* keep display's power off */
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LCD_ENABLE_GPIO | VE_3_3V | GPIO_OUT | GPIO_VALUE(0),
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};
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/**
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* Try to register an environment storage on the attached MCI card
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* @return 0 on success
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*
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* We rely on the existance of a usable SD card, already attached to
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* our system, to get a persistent memory for our environment.
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* If this SD card is also the boot medium, we can use the second partition
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* for our environment purpose (if present!).
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*/
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static int register_persistent_environment(void)
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{
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struct cdev *cdev;
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/*
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* The TX28 STK5 has only one usable MCI card socket.
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* So, we expect its name as "disk0".
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*/
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cdev = cdev_by_name("disk0");
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if (cdev == NULL) {
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pr_err("No MCI card preset\n");
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return -ENODEV;
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}
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/* MCI card is present, also a usable partition on it? */
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cdev = cdev_by_name("disk0.1");
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if (cdev == NULL) {
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pr_err("No second partition available\n");
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pr_info("Please create at least a second partition with"
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" 256 kiB...512 kiB in size (your choice)\n");
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return -ENODEV;
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}
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/* use the full partition as our persistent environment storage */
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return devfs_add_partition("disk0.1", 0, cdev->size,
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DEVFS_PARTITION_FIXED, "env0");
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}
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void base_board_init(void)
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{
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int i, ret;
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/* initialize gpios */
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for (i = 0; i < ARRAY_SIZE(tx28_starterkit_pad_setup); i++)
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imx_gpio_mode(tx28_starterkit_pad_setup[i]);
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/* enable IOCLK0 to run at the PLL frequency */
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imx_set_ioclk(0, 480000000);
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/* run the SSP unit clock at 100 MHz */
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imx_set_sspclk(0, 100000000, 1);
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register_device(&mci_socket);
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imx_enable_enetclk();
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register_device(&fec_dev);
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ret = register_persistent_environment();
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if (ret != 0)
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printf("Cannot create the 'env0' persistent environment "
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"storage (%d)\n", ret);
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}
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static struct device_d tx28kit_serial_device = {
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.name = "stm_serial",
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.map_base = IMX_DBGUART_BASE,
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.size = 8192,
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};
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static int tx28kit_console_init(void)
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{
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return register_device(&tx28kit_serial_device);
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}
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console_initcall(tx28kit_console_init);
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@ -106,6 +106,8 @@ device_initcall(tx28_devices_init);
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/**
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@page tx28 KARO's TX28 CPU module
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@section tx28_cpu_card The CPU module
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http://www.karo-electronics.de/
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This CPU card is based on a Freescale i.MX28 CPU. The card is shipped with:
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@ -116,4 +118,39 @@ This CPU card is based on a Freescale i.MX28 CPU. The card is shipped with:
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- DS1339 RTC
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- LAN8710 Phy
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@section tx28_basboards Supported baseboards
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Supported baseboards are:
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- KARO's Starterkit 5
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@section tx28_stk5_howto How to get barebox for 'KARO's Starterkit 5'
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Using the default configuration:
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@verbatim
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make ARCH=arm tx28stk5_defconfig
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@endverbatim
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Build the binary image:
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@verbatim
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make ARCH=arm CROSS_COMPILE=armv5compiler
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@endverbatim
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@note replace the armv5compiler with your ARM v5 cross compiler.
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@note To use the result, you also need the following resources from Freescale:
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- the 'bootlets' archive
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- the 'elftosb2' encryption tool
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- in the case you want to start @b barebox from an attached SD card the
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'sdimage' tool from Freescale's 'uuc' archive.
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@section tx28_mlayout Memory layout when barebox is running:
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- 0x40000000 start of SDRAM
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- 0x40000100 start of kernel's boot parameters
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- below malloc area: stack area
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- below barebox: malloc area
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- 0x47000000 start of @b barebox
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*/
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@ -0,0 +1,38 @@
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CONFIG_ARCH_STM=y
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CONFIG_ARCH_IMX28=y
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CONFIG_AEABI=y
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CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
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CONFIG_BROKEN=y
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CONFIG_LONGHELP=y
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CONFIG_CMDLINE_EDITING=y
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CONFIG_AUTO_COMPLETE=y
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CONFIG_PARTITION=y
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CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
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CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/karo-tx28/env"
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CONFIG_DEBUG_INFO=y
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CONFIG_CMD_EDIT=y
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CONFIG_CMD_SLEEP=y
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CONFIG_CMD_SAVEENV=y
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CONFIG_CMD_LOADENV=y
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CONFIG_CMD_EXPORT=y
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CONFIG_CMD_PRINTENV=y
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CONFIG_CMD_READLINE=y
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CONFIG_CMD_ECHO_E=y
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CONFIG_CMD_MTEST=y
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CONFIG_CMD_MTEST_ALTERNATIVE=y
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CONFIG_CMD_BOOTM_ZLIB=y
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CONFIG_CMD_BOOTM_BZLIB=y
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CONFIG_CMD_BOOTM_SHOW_TYPE=y
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CONFIG_CMD_RESET=y
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CONFIG_CMD_GO=y
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CONFIG_CMD_TIMEOUT=y
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CONFIG_CMD_PARTITION=y
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CONFIG_NET=y
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CONFIG_NET_DHCP=y
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CONFIG_NET_TFTP=y
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CONFIG_NET_RESOLV=y
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CONFIG_DRIVER_NET_FEC_IMX=y
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# CONFIG_SPI is not set
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CONFIG_MCI=y
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CONFIG_MCI_STARTUP=y
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CONFIG_MCI_STM378X=y
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@ -64,6 +64,21 @@ endif
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menu "Board specific settings "
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if MACH_TX28
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choice
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prompt "TX28 Base Board Type"
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config MACH_TX28STK5
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bool "TX28-stk5"
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help
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Select this entry if you are running the TX28 CPU module on the
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KARO TX28 Starterkit5.
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endchoice
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endif
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endmenu
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endif
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