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ARM: clps711x: Add generic board support (CLEP7212) 

This patch adds generic board support (CLEP7212, Linux ARM ID=91)
for CLPS711X-target.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Alexander Shiyan 2012-11-02 13:17:16 +04:00 committed by Sascha Hauer
parent bedf7dfce5
commit 27794047ff
13 changed files with 251 additions and 0 deletions
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1
arch/arm/Makefile
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@ -76,6 +76,7 @@ board-$(CONFIG_MACH_AT91SAM9G10EK) := at91sam9261ek
board-$(CONFIG_MACH_AT91SAM9G20EK) := at91sam9260ek
board-$(CONFIG_MACH_AT91SAM9X5EK) := at91sam9x5ek
board-$(CONFIG_MACH_AT91SAM9M10G45EK) := at91sam9m10g45ek
board-$(CONFIG_MACH_CLEP7212) := clep7212
board-$(CONFIG_MACH_DSS11) := dss11
board-$(CONFIG_MACH_EDB9301) := edb93xx
board-$(CONFIG_MACH_EDB9302) := edb93xx

2
arch/arm/boards/clep7212/Makefile Normal file
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@ -0,0 +1,2 @@
obj-y += lowlevel.o clep7212.o
pbl-y += lowlevel.o

64
arch/arm/boards/clep7212/clep7212.c Normal file
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@ -0,0 +1,64 @@
/*
* Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru>
*
* 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.
*/
#include <common.h>
#include <driver.h>
#include <init.h>
#include <partition.h>
#include <io.h>
#include <sizes.h>
#include <asm/armlinux.h>
#include <generated/mach-types.h>
#include <mach/clps711x.h>
#include <mach/devices.h>
static int clps711x_mem_init(void)
{
ulong memsize = get_ram_size((ulong *)SDRAM0_BASE, SZ_32M);
arm_add_mem_device("ram0", SDRAM0_BASE, memsize);
return 0;
}
mem_initcall(clps711x_mem_init);
static int clps711x_devices_init(void)
{
u32 serial_h = 0, serial_l = readl(UNIQID);
/* Setup Chipselects */
clps711x_setup_memcfg(0, MEMCFG_WAITSTATE_6_1 | MEMCFG_BUS_WIDTH_16);
clps711x_setup_memcfg(1, MEMCFG_WAITSTATE_6_1 | MEMCFG_BUS_WIDTH_8);
clps711x_setup_memcfg(2, MEMCFG_WAITSTATE_8_3 | MEMCFG_BUS_WIDTH_16 |
MEMCFG_CLKENB);
clps711x_setup_memcfg(3, MEMCFG_WAITSTATE_6_1 | MEMCFG_BUS_WIDTH_32);
add_cfi_flash_device(0, CS0_BASE, SZ_32M, 0);
devfs_add_partition("nor0", 0x00000, SZ_256K, DEVFS_PARTITION_FIXED,
"self0");
devfs_add_partition("nor0", SZ_256K, SZ_256K, DEVFS_PARTITION_FIXED,
"env0");
armlinux_set_bootparams((void *)SDRAM0_BASE + 0x100);
armlinux_set_architecture(MACH_TYPE_CLEP7212);
armlinux_set_serial(((u64)serial_h << 32) | serial_l);
return 0;
}
device_initcall(clps711x_devices_init);
static int clps711x_console_init(void)
{
clps711x_add_uart(0);
return 0;
}
console_initcall(clps711x_console_init);

4
arch/arm/boards/clep7212/config.h Normal file
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@ -0,0 +1,4 @@
#ifndef __CONFIG_H
#define __CONFIG_H
#endif /* __CONFIG_H */

21
arch/arm/boards/clep7212/env/bin/mtdparts-add vendored Normal file
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@ -0,0 +1,21 @@
#!/bin/sh
if [ "$1" = menu ]; then
init-menu-add-entry "$0" "Partitions"
exit
fi
norparts="256k(barebox),256k(bareboxenv),3584k(kernel),-(root)"
ramparts="-(ramdisk)"
if [ -e /dev/nor0 ]; then
addpart -n /dev/nor0 "${norparts}"
global linux.mtdparts.nor
global.linux.mtdparts.nor="physmap-flash.0:${norparts}"
else
echo "NOR Flash not found."
fi
global linux.mtdparts.ram
global.linux.mtdparts.ram="mtd-ram.0:${ramparts}"

9
arch/arm/boards/clep7212/env/boot/nor vendored Normal file
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@ -0,0 +1,9 @@
#!/bin/sh
if [ "$1" = menu ]; then
boot-menu-add-entry "$0" "NOR Flash"
exit
fi
global.bootm.image="/dev/kernel"
global.linux.bootargs.dyn.root="root=/dev/mtdblock4 ro"

6
arch/arm/boards/clep7212/env/init/automount vendored Normal file
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@ -0,0 +1,6 @@
#!/bin/sh
if [ "$1" = menu ]; then
init-menu-add-entry "$0" "Automountpoints"
exit
fi

8
arch/arm/boards/clep7212/env/init/bootargs-base vendored Normal file
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@ -0,0 +1,8 @@
#!/bin/sh
if [ "$1" = menu ]; then
init-menu-add-entry "$0" "Base bootargs"
exit
fi
global.linux.bootargs.base="earlyprintk console=ttyCL0,57600n8"

12
arch/arm/boards/clep7212/env/init/general vendored Normal file
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@ -0,0 +1,12 @@
#!/bin/sh
if [ "$1" = menu ]; then
init-menu-add-entry "$0" "general config settings"
exit
fi
global.user=barebox
global.autoboot_timeout=2
global.boot.default=nor
/env/bin/mtdparts-add

8
arch/arm/boards/clep7212/env/init/hostname vendored Normal file
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@ -0,0 +1,8 @@
#!/bin/sh
if [ "$1" = menu ]; then
init-menu-add-entry "$0" "hostname"
exit
fi
global.hostname=clep7212

56
arch/arm/boards/clep7212/lowlevel.c Normal file
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@ -0,0 +1,56 @@
/*
* Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru>
*
* 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.
*/
#include <common.h>
#include <init.h>
#include <asm/io.h>
#include <asm/barebox-arm.h>
#include <asm/barebox-arm-head.h>
#include <mach/clps711x.h>
#define MAIN_CLOCK 3686400
#define CPU_SPEED 92160000
#define BUS_SPEED (CPU_SPEED / 2)
#define PLL_VALUE (((CPU_SPEED * 2) / MAIN_CLOCK) << 24)
#define SDRAM_REFRESH_RATE (64 * (BUS_SPEED / (8192 * 1000)))
void __naked __bare_init reset(void)
{
u32 tmp;
common_reset();
/* Setup base clock */
writel(SYSCON3_CLKCTL0 | SYSCON3_CLKCTL1, SYSCON3);
asm("nop");
/* Setup PLL */
writel(PLL_VALUE, PLLW);
asm("nop");
/* CLKEN select, SDRAM width=32 */
writel(SYSCON2_CLKENSL, SYSCON2);
/* Enable SDQM pins */
tmp = readl(SYSCON3);
tmp &= ~SYSCON3_ENPD67;
writel(tmp, SYSCON3);
/* Setup Refresh Rate (64ms 8K Blocks) */
writel(SDRAM_REFRESH_RATE, SDRFPR);
/* Setup SDRAM (32MB, 16Bit*2, CAS=3) */
writel(SDCONF_CASLAT_3 | SDCONF_SIZE_256 | SDCONF_WIDTH_16 |
SDCONF_CLKCTL | SDCONF_ACTIVE, SDCONF);
board_init_lowlevel_return();
}

42
arch/arm/configs/clps711x_defconfig Normal file
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@ -0,0 +1,42 @@
CONFIG_ARCH_CLPS711X=y
CONFIG_AEABI=y
CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
# CONFIG_MEMINFO is not set
CONFIG_TEXT_BASE=0xc0780000
CONFIG_EXPERIMENTAL=y
CONFIG_BAUDRATE=57600
CONFIG_CMDLINE_EDITING=y
CONFIG_AUTO_COMPLETE=y
CONFIG_DEFAULT_ENVIRONMENT_COMPRESSED_LZO=y
CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y
CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/clep7212/env"
CONFIG_CMD_EDIT=y
CONFIG_CMD_SAVEENV=y
CONFIG_CMD_EXPORT=y
CONFIG_CMD_PRINTENV=y
CONFIG_CMD_ECHO_E=y
CONFIG_CMD_IOMEM=y
CONFIG_CMD_CRC=y
CONFIG_CMD_CRC_CMP=y
CONFIG_CMD_FLASH=y
CONFIG_CMD_BOOTM_SHOW_TYPE=y
CONFIG_CMD_BOOTM_INITRD=y
CONFIG_CMD_BOOTZ=y
# CONFIG_CMD_BOOTU is not set
CONFIG_CMD_RESET=y
CONFIG_CMD_TIMEOUT=y
CONFIG_CMD_PARTITION=y
CONFIG_CMD_MAGICVAR=y
CONFIG_CMD_MAGICVAR_HELP=y
# CONFIG_SPI is not set
CONFIG_DRIVER_CFI=y
# CONFIG_DRIVER_CFI_BANK_WIDTH_1 is not set
# CONFIG_DRIVER_CFI_BANK_WIDTH_4 is not set
CONFIG_MTD=y
CONFIG_DISK=y
CONFIG_DISK_WRITE=y
CONFIG_DISK_INTF_PLATFORM_IDE=y
CONFIG_FS_CRAMFS=y
CONFIG_FS_FAT=y
CONFIG_FS_FAT_LFN=y
CONFIG_LZO_DECOMPRESS=y

18
arch/arm/mach-clps711x/Kconfig
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@ -3,6 +3,24 @@ if ARCH_CLPS711X
choice
prompt "Cirrus Logic EP711x/EP721x/EP731x Board Type"
config MACH_CLEP7212
bool "Cirrus Logic CLEP7212"
select MACH_HAS_LOWLEVEL_INIT
select MACH_DO_LOWLEVEL_INIT
help
Boards based on the Cirrus Logic 7212/7312 CPU.
endchoice
config BOARDINFO
default "Cirrus Logic CLEP7212" if MACH_CLEP7212
config ARCH_TEXT_BASE
hex
default 0xc0780000 if MACH_CLEP7212
config BAREBOX_MAX_IMAGE_SIZE
hex
default 0x00080000 if MACH_CLEP7212
endif