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sysmobts: add support for the sysmobts v2

This commit is contained in:
Jan Luebbe 2015-04-14 18:43:05 +02:00
parent 3655aaa952
commit 045022f36e
18 changed files with 504 additions and 0 deletions
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1
arch/arm/boards/Makefile
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@ -107,6 +107,7 @@ obj-$(CONFIG_MACH_SOCFPGA_EBV_SOCRATES) += ebv-socrates/
obj-$(CONFIG_MACH_SOCFPGA_TERASIC_SOCKIT) += terasic-sockit/
obj-$(CONFIG_MACH_SOLIDRUN_CUBOX) += solidrun-cubox/
obj-$(CONFIG_MACH_SOLIDRUN_MICROSOM) += solidrun-microsom/
obj-$(CONFIG_MACH_SYSMOBTS) += sysmobts/
obj-$(CONFIG_MACH_TNY_A9260) += tny-a926x/
obj-$(CONFIG_MACH_TNY_A9263) += tny-a926x/
obj-$(CONFIG_MACH_TNY_A9G20) += tny-a926x/

3
arch/arm/boards/sysmobts/Makefile Normal file
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@ -0,0 +1,3 @@
obj-y += board.o
lwl-y += lowlevel.o
bbenv-y += defaultenv-sysmobts

167
arch/arm/boards/sysmobts/board.c Normal file
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@ -0,0 +1,167 @@
/*
* Copyright (C) 2015 Jan Luebbe <jluebbe@lasnet.de>
*
* This file is part of barebox.
* 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 version 2
* as published by the Free Software Foundation.
*
* 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 <init.h>
#include <io.h>
#include <globalvar.h>
#include <gpio.h>
#include <envfs.h>
#include <fs.h>
#include <fcntl.h>
#include <libfile.h>
#include <net.h>
#include <linux/sizes.h>
#include <asm/armlinux.h>
#define PINMUX0 0x01c40000
#define PINMUX1 0x01c40004
#define PINMUX1_I2C BIT(7)
#define VDD3P3V_PWDN (0x01c40048)
#include <net/davinci_emac.h>
#define EMAC_BASE_ADDR 0x01C80000
#define EMAC_WRAPPER_BASE_ADDR 0x01C81000
#define EMAC_WRAPPER_RAM_ADDR 0x01C82000
#define EMAC_MDIO_BASE_ADDR 0x01C84000
static struct resource dm644x_emac_resources[] = {
{
.start = EMAC_BASE_ADDR,
.end = EMAC_BASE_ADDR + 0xff,
.flags = IORESOURCE_MEM,
}, {
.start = EMAC_WRAPPER_BASE_ADDR,
.end = EMAC_WRAPPER_BASE_ADDR + 0xfff,
.flags = IORESOURCE_MEM,
}, {
.start = EMAC_MDIO_BASE_ADDR,
.end = EMAC_MDIO_BASE_ADDR + 0xff,
.flags = IORESOURCE_MEM,
}, {
.start = EMAC_WRAPPER_RAM_ADDR,
.end = EMAC_WRAPPER_RAM_ADDR + 0x1fff, /* 8kB */
.flags = IORESOURCE_MEM,
}
};
static struct davinci_emac_platform_data dm644x_emac_pdata = {
.force_link = false,
.interface_rmii = false,
.phy_addr = 1,
};
static struct device_d dm644x_emac_device = {
.id = DEVICE_ID_DYNAMIC,
.name = "davinci_emac",
.num_resources = ARRAY_SIZE(dm644x_emac_resources),
.resource = dm644x_emac_resources,
.platform_data = &dm644x_emac_pdata,
};
static void sysmobts_board_detect(void)
{
int board_ver, board_cfg;
char variant[4];
board_ver = gpio_get_value(15);
board_ver |= gpio_get_value(16) << 1;
board_ver |= gpio_get_value(17) << 1;
board_cfg = gpio_get_value(10);
board_cfg |= gpio_get_value(11) << 1;
board_cfg |= gpio_get_value(12) << 3;
board_cfg |= gpio_get_value(13) << 4;
board_cfg |= gpio_get_value(14) << 4;
variant[0] = 'A' + board_ver;
variant[1] = '.';
variant[2] = '0' + board_cfg;
variant[3] = '\0';
globalvar_add_simple("board.variant", variant);
printf("detected 'sysmobts_v2 %s'\n", variant);
}
static int sysmobts_set_ethaddr(void)
{
char addr[6];
int fd, ret;
fd = open("/dev/eeprom0", O_RDONLY);
if (fd < 0) {
ret = fd;
goto err;
}
ret = read_full(fd, addr, 6);
if (ret < 0)
goto err_open;
eth_register_ethaddr(0, addr);
ret = 0;
err_open:
close(fd);
err:
if (ret)
pr_err("can't read eeprom /dev/eeprom0 (%s)\n", strerror(ret));
return ret;
}
#define MACH_TYPE_SYSMOBTS_V2 3758
static void sysmobts_devices_shutdown(void)
{
writel(readl(PINMUX1) | PINMUX1_I2C, PINMUX1);
}
static int sysmobts_coredevices_init(void)
{
board_shutdown = sysmobts_devices_shutdown;
writel(0, VDD3P3V_PWDN);
writel(0x8000000f, PINMUX0);
writel(0x00050187, PINMUX1);
writel(readl(PINMUX1) & ~PINMUX1_I2C, PINMUX1);
return 0;
}
coredevice_initcall(sysmobts_coredevices_init);
static int sysmobts_devices_init(void)
{
sysmobts_board_detect();
sysmobts_set_ethaddr();
platform_device_register(&dm644x_emac_device);
defaultenv_append_directory(defaultenv_sysmobts);
armlinux_set_architecture(MACH_TYPE_SYSMOBTS_V2);
return 0;
}
device_initcall(sysmobts_devices_init);

13
arch/arm/boards/sysmobts/defaultenv-sysmobts/bin/prepare-ubi Normal file
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@ -0,0 +1,13 @@
#!/bin/sh
if test -e /dev/nand0.root.ubi; then
exit 0
fi
ubiattach -d 0 /dev/nand0.root
if [ $? != 0 ]; then
echo "failed to run ubiattach"
exit 1
fi
exit 0

3
arch/arm/boards/sysmobts/defaultenv-sysmobts/boot/chooser Normal file
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@ -0,0 +1,3 @@
#!/bin/sh
bootchooser -d -w 120

8
arch/arm/boards/sysmobts/defaultenv-sysmobts/boot/rescue Normal file
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@ -0,0 +1,8 @@
#!/bin/sh
global bootm.image=/mnt/rescue/boot/zImage
#global bootm.oftree=<path to oftree>
#global bootm.initrd=<path to initrd>
global linux.bootargs.dyn.root="root=ubi0:rescue ubi.mtd=root rootfstype=ubifs ro rauc.slot=rescue"
global linux.bootargs.dyn.mtd="mtdparts=davinci_nand.0:${nand0.partitions}"

8
arch/arm/boards/sysmobts/defaultenv-sysmobts/boot/rescue-net Normal file
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@ -0,0 +1,8 @@
#!/bin/sh
global bootm.image=/mnt/tftp/linux/arch/arm/boot/zImage
#global bootm.oftree=<path to oftree>
#global bootm.initrd=<path to initrd>
global linux.bootargs.dyn.root="root=ubi0:rescue ubi.mtd=root rootfstype=ubifs ro rauc.slot=rescue"
global linux.bootargs.dyn.mtd="mtdparts=davinci_nand.0:${nand0.partitions}"

10
arch/arm/boards/sysmobts/defaultenv-sysmobts/boot/system0 Normal file
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@ -0,0 +1,10 @@
#!/bin/sh
global bootm.image=/mnt/system0/kernel
if [ -e /mnt/system0/devicetree ]; then
global bootm.oftree=/mnt/system0/devicetree
fi
global bootm.initrd=/mnt/system0/initramfs
global linux.bootargs.dyn.root="root=ubi0:system0 ubi.mtd=root rootfstype=ubifs ro rauc.slot=system0"
global linux.bootargs.dyn.mtd="mtdparts=davinci_nand.0:${nand0.partitions}"

10
arch/arm/boards/sysmobts/defaultenv-sysmobts/boot/system1 Normal file
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@ -0,0 +1,10 @@
#!/bin/sh
global bootm.image=/mnt/system1/kernel
if [ -e /mnt/system1/devicetree ]; then
global bootm.oftree=/mnt/system1/devicetree
fi
global bootm.initrd=/mnt/system1/initramfs
global linux.bootargs.dyn.root="root=ubi0:system1 ubi.mtd=root rootfstype=ubifs ro rauc.slot=system1"
global linux.bootargs.dyn.mtd="mtdparts=davinci_nand.0:${nand0.partitions}"

10
arch/arm/boards/sysmobts/defaultenv-sysmobts/init/automount-nand Normal file
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@ -0,0 +1,10 @@
#!/bin/sh
mkdir /mnt/system0
automount -d /mnt/system0 'prepare-ubi && mount /dev/nand0.root.ubi.system0 /mnt/system0'
mkdir /mnt/system1
automount -d /mnt/system1 'prepare-ubi && mount /dev/nand0.root.ubi.system1 /mnt/system1'
mkdir /mnt/rescue
automount -d /mnt/rescue 'prepare-ubi && mount /dev/nand0.root.ubi.rescue /mnt/rescue'

1
arch/arm/boards/sysmobts/defaultenv-sysmobts/nv/boot.default Normal file
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@ -0,0 +1 @@
chooser factory

1
arch/arm/boards/sysmobts/defaultenv-sysmobts/nv/linux.bootargs.base Normal file
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@ -0,0 +1 @@
console=ttyS0,115200n8

1
arch/arm/boards/sysmobts/defaultenv-sysmobts/nv/linux.bootargs.console Normal file
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@ -0,0 +1 @@
quiet panic=30

37
arch/arm/boards/sysmobts/lowlevel.c Normal file
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@ -0,0 +1,37 @@
/*
* Copyright (C) 2015 Jan Luebbe <jluebbe@lasnet.de>
*
* This file is part of barebox.
* 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 version 2
* as published by the Free Software Foundation.
*
* 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.
*
*/
#define __LOWLEVEL_INIT__
#include <common.h>
#include <asm/barebox-arm.h>
#include <asm/barebox-arm-head.h>
#include <init.h>
#include <linux/sizes.h>
extern char __dtb_dm6442_sysmobts_start[];
void __naked __bare_init barebox_arm_reset_vector(void)
{
void *fdt;
arm_cpu_lowlevel_init();
fdt = __dtb_dm6442_sysmobts_start - get_runtime_offset();
barebox_arm_entry(0x80000000, SZ_256M, fdt);
}

1
arch/arm/dts/Makefile
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@ -46,6 +46,7 @@ pbl-dtb-$(CONFIG_MACH_SOCFPGA_EBV_SOCRATES) += socfpga_cyclone5_socrates.dtb.o
pbl-dtb-$(CONFIG_MACH_SOCFPGA_TERASIC_SOCKIT) += socfpga_cyclone5_sockit.dtb.o
pbl-dtb-$(CONFIG_MACH_SOLIDRUN_CUBOX) += dove-cubox-bb.dtb.o
pbl-dtb-$(CONFIG_MACH_SOLIDRUN_MICROSOM) += imx6dl-hummingboard.dtb.o
pbl-dtb-$(CONFIG_MACH_SYSMOBTS) += dm6442-sysmobts.dtb.o
pbl-dtb-$(CONFIG_MACH_TORADEX_COLIBRI_T20) += tegra20-colibri-iris.dtb.o
pbl-dtb-$(CONFIG_MACH_TOSHIBA_AC100) += tegra20-paz00.dtb.o
pbl-dtb-$(CONFIG_MACH_TQMA53) += imx53-mba53.dtb.o

178
arch/arm/dts/dm6442-sysmobts.dts Normal file
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@ -0,0 +1,178 @@
/dts-v1/;
#include "dm644x.dtsi"
/ {
model = "sysmobts";
compatible = "sysmocom,sysmobts";
chosen {
stdout-path = &serial0;
environment@0 {
compatible = "barebox,environment";
device-path = &env;
};
};
memory {
reg = <0x80000000 0x10000000>;
};
soc {
serial0: serial@1c20000 {
status = "okay";
};
wdt: wdt@1c21000 {
status = "okay";
};
gpio: gpio@1c67000 {
status = "okay";
};
};
nand@0x02000000 {
status = "okay";
#address-cells = <1>;
#size-cells = <1>;
env: partition@0 {
label = "env";
reg = <0x0 0x20000>;
};
partition@1 {
label = "ubl";
reg = <0x20000 0xa0000>;
};
partition@2 {
label = "bootloader";
reg = <0xc0000 0x340000>;
};
partition@3 {
label = "root";
reg = <0x400000 0x0>;
};
};
i2c: i2c {
compatible = "i2c-gpio";
gpios = <
&gpio 44 0 /* sda */
&gpio 43 0 /* scl */
>;
i2c-gpio,sda-open-drain;
i2c-gpio,scl-open-drain;
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
eeprom: eeprom@50 {
compatible = "24c02";
reg = <0x50>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "state";
reg = <0x25 0x54>; /* _pad1 in struct sysmobts_eeprom */
};
};
};
leds {
compatible = "gpio-leds";
status {
gpios = <&gpio 29 0>;
linux,default-trigger = "heartbeat";
default-state = "off";
};
};
state: state {
compatible = "barebox,state";
magic = <0xaabe52dc>;
backend-type = "raw";
backend = &eeprom, "partname:state";
bootstate {
system0 {
#address-cells = <1>;
#size-cells = <1>;
remaining_attempts {
reg = <0x0 0x1>;
type = "uint8";
};
priority {
reg = <0x1 0x1>;
type = "uint8";
};
ok {
reg = <0x2 0x1>;
type = "uint8";
};
};
system1 {
#address-cells = <1>;
#size-cells = <1>;
remaining_attempts {
reg = <0x3 0x1>;
type = "uint8";
};
priority {
reg = <0x4 0x1>;
type = "uint8";
};
ok {
reg = <0x5 0x1>;
type = "uint8";
};
};
rescue {
#address-cells = <1>;
#size-cells = <1>;
remaining_attempts {
reg = <0x6 0x1>;
type = "uint8";
};
priority {
reg = <0x7 0x1>;
type = "uint8";
};
ok {
reg = <0x8 0x1>;
type = "uint8";
};
};
};
};
bootstate: bootstate {
compatible = "barebox,bootstate";
backend-type = "state";
backend = <&state>;
system0 {
default_attempts = <3>;
};
system1 {
default_attempts = <3>;
};
rescue {
default_attempts = <3>;
};
};
};

47
arch/arm/dts/dm644x.dtsi Normal file
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@ -0,0 +1,47 @@
#include "skeleton.dtsi"
/ {
soc {
compatible = "simple-bus";
model = "TI TMS320DM644x";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x01c00000 0x400000>;
serial0: serial@1c20000 {
compatible = "ns16550a";
reg = <0x20000 0x400>;
reg-shift = <2>;
status = "disabled";
};
wdt: wdt@1c21000 {
compatible = "ti,davinci-wdt";
reg = <0x21C00 0x1000>;
status = "disabled";
};
gpio: gpio@1c67000 {
compatible = "ti,dm6441-gpio";
gpio-controller;
reg = <0x67000 0x800>;
#gpio-cells = <2>;
ti,ngpio = <71>;
status = "disabled";
};
};
nand@0x02000000 {
compatible = "ti,davinci-nand";
reg = <0x02000000 0x2000000
0x01E00000 0x1000>;
ti,davinci-chipselect = <0>;
ti,davinci-mask-ale = <0>;
ti,davinci-mask-cle = <0>;
ti,davinci-mask-chipsel = <0>;
nand-ecc-mode = "hw";
ti,davinci-ecc-bits = <1>;
nand-on-flash-bbt;
status = "disabled";
};
};

5
arch/arm/mach-davinci/Kconfig
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@ -10,6 +10,11 @@ config ARCH_DAVINCI_DM644x
choice
prompt "Davinci Board type"
config MACH_SYSMOBTS
bool "Sysmobts"
select ARCH_DAVINCI_DM644x
select HAVE_DEFAULT_ENVIRONMENT_NEW
config MACH_VIRT2REAL
bool "Virt2Real"
select HAVE_DEFAULT_ENVIRONMENT_NEW