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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ARM: mach-shmobile: Add mackerel board support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto
Paul Mundt
parent
6d72ad35f1
commit
920adc75d5
@ -51,6 +51,11 @@ config AP4EVB_WVGA
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endchoice
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config MACH_MACKEREL
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bool "mackerel board"
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depends on ARCH_SH7372
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select ARCH_REQUIRE_GPIOLIB
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comment "SH-Mobile System Configuration"
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menu "Memory configuration"
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@ -59,7 +64,7 @@ config MEMORY_START
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hex "Physical memory start address"
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default "0x50000000" if MACH_G3EVM
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default "0x40000000" if MACH_G4EVM
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default "0x40000000" if MACH_AP4EVB
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default "0x40000000" if MACH_AP4EVB || MACH_MACKEREL
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default "0x00000000"
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---help---
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Tweak this only when porting to a new machine which does not
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@ -20,3 +20,4 @@ obj-$(CONFIG_GENERIC_GPIO) += $(pfc-y)
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obj-$(CONFIG_MACH_G3EVM) += board-g3evm.o
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obj-$(CONFIG_MACH_G4EVM) += board-g4evm.o
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obj-$(CONFIG_MACH_AP4EVB) += board-ap4evb.o
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obj-$(CONFIG_MACH_MACKEREL) += board-mackerel.o
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165
arch/arm/mach-shmobile/board-mackerel.c
Normal file
165
arch/arm/mach-shmobile/board-mackerel.c
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@ -0,0 +1,165 @@
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/*
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* mackerel board support
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*
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* Copyright (C) 2010 Renesas Solutions Corp.
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* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* based on ap4evb
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* Copyright (C) 2010 Magnus Damm
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* Copyright (C) 2008 Yoshihiro Shimoda
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/io.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <mach/common.h>
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#include <mach/sh7372.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/mach/map.h>
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#include <asm/mach-types.h>
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/*
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* Address Interface BusWidth note
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* ------------------------------------------------------------------
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* 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
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* 0x0800_0000 user area -
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* 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
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* 0x1400_0000 Ether (LAN9220) 16bit
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* 0x1600_0000 user area - cannot use with NAND
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* 0x1800_0000 user area -
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* 0x1A00_0000 -
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* 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
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*/
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/* MTD */
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static struct mtd_partition nor_flash_partitions[] = {
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{
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.name = "loader",
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.offset = 0x00000000,
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.size = 512 * 1024,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "bootenv",
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.offset = MTDPART_OFS_APPEND,
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.size = 512 * 1024,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel_ro",
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.offset = MTDPART_OFS_APPEND,
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.size = 8 * 1024 * 1024,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = 8 * 1024 * 1024,
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},
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{
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.name = "data",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct physmap_flash_data nor_flash_data = {
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.width = 2,
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.parts = nor_flash_partitions,
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.nr_parts = ARRAY_SIZE(nor_flash_partitions),
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};
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static struct resource nor_flash_resources[] = {
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[0] = {
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.start = 0x00000000,
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.end = 0x08000000 - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device nor_flash_device = {
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.name = "physmap-flash",
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.dev = {
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.platform_data = &nor_flash_data,
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},
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.num_resources = ARRAY_SIZE(nor_flash_resources),
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.resource = nor_flash_resources,
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};
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static struct platform_device *mackerel_devices[] __initdata = {
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&nor_flash_device,
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};
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static struct map_desc mackerel_io_desc[] __initdata = {
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/* create a 1:1 entity map for 0xe6xxxxxx
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* used by CPGA, INTC and PFC.
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*/
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{
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.virtual = 0xe6000000,
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.pfn = __phys_to_pfn(0xe6000000),
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.length = 256 << 20,
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.type = MT_DEVICE_NONSHARED
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},
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};
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static void __init mackerel_map_io(void)
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{
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iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_io_desc));
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/* setup early devices and console here as well */
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sh7372_add_early_devices();
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shmobile_setup_console();
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}
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static void __init mackerel_init(void)
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{
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sh7372_pinmux_init();
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/* enable SCIFA0 */
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gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
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gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
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sh7372_add_standard_devices();
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platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices));
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}
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static void __init mackerel_timer_init(void)
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{
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sh7372_clock_init();
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shmobile_timer.init();
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}
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static struct sys_timer mackerel_timer = {
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.init = mackerel_timer_init,
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};
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MACHINE_START(MACKEREL, "mackerel")
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.map_io = mackerel_map_io,
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.init_irq = sh7372_init_irq,
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.init_machine = mackerel_init,
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.timer = &mackerel_timer,
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MACHINE_END
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