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ARM: mach-shmobile: add bonito board support.
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This adds basic bonito board (R-Mobile A1) support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Kuninori Morimoto authored and Paul Mundt committed Nov 11, 2011
1 parent 215d6cc commit d55c9a9
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Showing 4 changed files with 267 additions and 2 deletions.
72 changes: 72 additions & 0 deletions arch/arm/configs/bonito_defconfig
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@@ -0,0 +1,72 @@
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
# CONFIG_UTS_NS is not set
# CONFIG_IPC_NS is not set
# CONFIG_USER_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE="/your/initramfs/"
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARCH_SHMOBILE=y
CONFIG_ARCH_R8A7740=y
CONFIG_MACH_BONITO=y
# CONFIG_SH_TIMER_TMU is not set
CONFIG_AEABI=y
# CONFIG_OABI_COMPAT is not set
CONFIG_FORCE_MAX_ZONEORDER=12
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_CMDLINE="console=ttySC5,115200 earlyprintk=sh-sci.5,115200 ignore_loglevel"
CONFIG_KEXEC=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
# CONFIG_SUSPEND is not set
CONFIG_PM_RUNTIME=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_MTD=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
CONFIG_MTD_CFI_ADV_OPTIONS=y
CONFIG_MTD_CFI_INTELEXT=y
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_ARM_INTEGRATOR=y
CONFIG_MTD_BLOCK2MTD=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
# CONFIG_SCSI_LOWLEVEL is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_SH_SCI=y
CONFIG_SERIAL_SH_SCI_NR_UARTS=9
CONFIG_SERIAL_SH_SCI_CONSOLE=y
# CONFIG_HW_RANDOM is not set
CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_SH_MOBILE=y
CONFIG_GPIO_SYSFS=y
# CONFIG_HWMON is not set
# CONFIG_MFD_SUPPORT is not set
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_UIO=y
CONFIG_UIO_PDRV=y
CONFIG_UIO_PDRV_GENIRQ=y
# CONFIG_DNOTIFY is not set
# CONFIG_INOTIFY_USER is not set
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
# CONFIG_ARM_UNWIND is not set
9 changes: 7 additions & 2 deletions arch/arm/mach-shmobile/Kconfig
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Expand Up @@ -81,6 +81,11 @@ config MACH_KOTA2
select ARCH_REQUIRE_GPIOLIB
depends on ARCH_SH73A0

config MACH_BONITO
bool "bonito board"
select ARCH_REQUIRE_GPIOLIB
depends on ARCH_R8A7740

comment "SH-Mobile System Configuration"

menu "Memory configuration"
Expand All @@ -89,7 +94,7 @@ config MEMORY_START
hex "Physical memory start address"
default "0x50000000" if MACH_G3EVM
default "0x40000000" if MACH_G4EVM || MACH_AP4EVB || MACH_AG5EVM || \
MACH_MACKEREL
MACH_MACKEREL || MACH_BONITO
default "0x41000000" if MACH_KOTA2
default "0x00000000"
---help---
Expand All @@ -101,7 +106,7 @@ config MEMORY_SIZE
hex "Physical memory size"
default "0x08000000" if MACH_G3EVM
default "0x08000000" if MACH_G4EVM
default "0x20000000" if MACH_AG5EVM
default "0x20000000" if MACH_AG5EVM || MACH_BONITO
default "0x1e000000" if MACH_KOTA2
default "0x10000000" if MACH_AP4EVB || MACH_MACKEREL
default "0x04000000"
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1 change: 1 addition & 0 deletions arch/arm/mach-shmobile/Makefile
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Expand Up @@ -45,6 +45,7 @@ obj-$(CONFIG_MACH_AP4EVB) += board-ap4evb.o
obj-$(CONFIG_MACH_AG5EVM) += board-ag5evm.o
obj-$(CONFIG_MACH_MACKEREL) += board-mackerel.o
obj-$(CONFIG_MACH_KOTA2) += board-kota2.o
obj-$(CONFIG_MACH_BONITO) += board-bonito.o

# Framework support
obj-$(CONFIG_SMP) += $(smp-y)
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187 changes: 187 additions & 0 deletions arch/arm/mach-shmobile/board-bonito.c
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/*
* bonito board support
*
* Copyright (C) 2011 Renesas Solutions Corp.
* Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.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 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <mach/common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/hardware/cache-l2x0.h>
#include <mach/r8a7740.h>

/*
* CS Address device note
*----------------------------------------------------------------
* 0 0x0000_0000 NOR Flash (64MB) SW12 : bit3 = OFF
* 2 0x0800_0000 ExtNOR (64MB) SW12 : bit3 = OFF
* 4 -
* 5A -
* 5B 0x1600_0000 SRAM (8MB)
* 6 0x1800_0000 FPGA (64K)
* 0x1801_0000 Ether (4KB)
* 0x1801_1000 USB (4KB)
*/

/*
* SW12
*
* bit1 bit2 bit3
*----------------------------------------------------------------------------
* ON NOR WriteProtect NAND WriteProtect CS0 ExtNOR / CS2 NOR
* OFF NOR Not WriteProtect NAND Not WriteProtect CS0 NOR / CS2 ExtNOR
*/

/*
* FPGA
*/
#define A1MDSR 0x10E0
#define BVERR 0x1100
static u16 bonito_fpga_read(u32 offset)
{
return __raw_readw(0xf0003000 + offset);
}

static void bonito_fpga_write(u32 offset, u16 val)
{
__raw_writew(val, 0xf0003000 + offset);
}

/*
* devices
*/
static struct platform_device *bonito_devices[] __initdata = {
};

/*
* map I/O
*/
static struct map_desc bonito_io_desc[] __initdata = {
/*
* for CPGA/INTC/PFC
* 0xe6000000-0xefffffff -> 0xe6000000-0xefffffff
*/
{
.virtual = 0xe6000000,
.pfn = __phys_to_pfn(0xe6000000),
.length = 160 << 20,
.type = MT_DEVICE_NONSHARED
},
#ifdef CONFIG_CACHE_L2X0
/*
* for l2x0_init()
* 0xf0100000-0xf0101000 -> 0xf0002000-0xf0003000
*/
{
.virtual = 0xf0002000,
.pfn = __phys_to_pfn(0xf0100000),
.length = PAGE_SIZE,
.type = MT_DEVICE_NONSHARED
},
#endif
/*
* for FPGA (0x1800000-0x19ffffff)
* 0x18000000-0x18002000 -> 0xf0003000-0xf0005000
*/
{
.virtual = 0xf0003000,
.pfn = __phys_to_pfn(0x18000000),
.length = PAGE_SIZE * 2,
.type = MT_DEVICE_NONSHARED
}
};

static void __init bonito_map_io(void)
{
iotable_init(bonito_io_desc, ARRAY_SIZE(bonito_io_desc));

/* setup early devices and console here as well */
r8a7740_add_early_devices();
shmobile_setup_console();
}

/*
* board init
*/
static void __init bonito_init(void)
{
u16 val;

r8a7740_pinmux_init();

/* FPGA */
gpio_request(GPIO_FN_CS5B, NULL);
gpio_request(GPIO_FN_CS6A, NULL);
gpio_request(GPIO_FN_CS5A_PORT105, NULL);
gpio_request(GPIO_FN_IRQ10, NULL);

val = bonito_fpga_read(BVERR);
pr_info("bonito version: cpu %02x, base %02x\n",
((val >> 8) & 0xFF),
((val >> 0) & 0xFF));

/* SCIFA5 */
gpio_request(GPIO_FN_SCIFA5_TXD_PORT91, NULL);
gpio_request(GPIO_FN_SCIFA5_RXD_PORT92, NULL);

#ifdef CONFIG_CACHE_L2X0
/* Early BRESP enable, Shared attribute override enable, 32K*8way */
l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);
#endif

r8a7740_add_standard_devices();
platform_add_devices(bonito_devices, ARRAY_SIZE(bonito_devices));
}

static void __init bonito_timer_init(void)
{
u16 val;
u8 md_ck = 0;

/* read MD_CK value */
val = bonito_fpga_read(A1MDSR);
if (val & (1 << 10))
md_ck |= MD_CK2;
if (val & (1 << 9))
md_ck |= MD_CK1;
if (val & (1 << 8))
md_ck |= MD_CK0;

r8a7740_clock_init(md_ck);
shmobile_timer.init();
}

struct sys_timer bonito_timer = {
.init = bonito_timer_init,
};

MACHINE_START(BONITO, "bonito")
.map_io = bonito_map_io,
.init_irq = r8a7740_init_irq,
.handle_irq = shmobile_handle_irq_intc,
.init_machine = bonito_init,
.timer = &bonito_timer,
MACHINE_END

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