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Commit 28626632 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
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ARM: mach-shmobile: Kota2 SCIFA2 and SMSC911X support 



Kota2 base board support including the on-chip SCIFA2
serial console and the on-board SMSC911X ethernet port.

The s73a0 SMP bits are also updated to include Kota2.

Signed-off-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent c6a389f1

arch/arm/mach-shmobile/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -69,6 +69,11 @@ config MACH_MACKEREL 
	depends on ARCH_SH7372

	select ARCH_REQUIRE_GPIOLIB



config MACH_KOTA2

	bool "KOTA2 board"

	select ARCH_REQUIRE_GPIOLIB

	depends on ARCH_SH73A0



comment "SH-Mobile System Configuration"



menu "Memory configuration"
@@ -78,6 +83,7 @@ config MEMORY_START 
	default "0x50000000" if MACH_G3EVM

	default "0x40000000" if MACH_G4EVM || MACH_AP4EVB || MACH_AG5EVM || \

				MACH_MACKEREL

	default "0x41000000" if MACH_KOTA2

	default "0x00000000"

	---help---

	  Tweak this only when porting to a new machine which does not
@@ -89,6 +95,7 @@ config MEMORY_SIZE 
	default "0x08000000" if MACH_G3EVM

	default "0x08000000" if MACH_G4EVM

	default "0x20000000" if MACH_AG5EVM

	default "0x1e000000" if MACH_KOTA2

	default "0x10000000" if MACH_AP4EVB || MACH_MACKEREL

	default "0x04000000"

	help

arch/arm/mach-shmobile/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ obj-$(CONFIG_MACH_G4EVM) += board-g4evm.o 
obj-$(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



# Framework support

obj-$(CONFIG_SMP)		+= $(smp-y)

arch/arm/mach-shmobile/board-kota2.c

0 → 100644
+168 −0
Original line number Diff line number Diff line 
/*

 * kota2 board support

 *

 * Copyright (C) 2011  Renesas Solutions Corp.

 * Copyright (C) 2011  Magnus Damm

 * Copyright (C) 2010  Takashi Yoshii <yoshii.takashi.zj@renesas.com>

 * Copyright (C) 2009  Yoshihiro Shimoda <shimoda.yoshihiro@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/delay.h>

#include <linux/io.h>

#include <linux/smsc911x.h>

#include <linux/gpio.h>

#include <mach/hardware.h>

#include <mach/sh73a0.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/gic.h>

#include <asm/hardware/cache-l2x0.h>

#include <asm/traps.h>



static struct resource smsc9220_resources[] = {

	[0] = {

		.start		= 0x14000000, /* CS5A */

		.end		= 0x140000ff, /* A1->A7 */

		.flags		= IORESOURCE_MEM,

	},

	[1] = {

		.start		= gic_spi(33), /* PINTA2 @ PORT144 */

		.flags		= IORESOURCE_IRQ,

	},

};



static struct smsc911x_platform_config smsc9220_platdata = {

	.flags		= SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */

	.phy_interface	= PHY_INTERFACE_MODE_MII,

	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,

	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,

};



static struct platform_device eth_device = {

	.name		= "smsc911x",

	.id		= 0,

	.dev  = {

		.platform_data = &smsc9220_platdata,

	},

	.resource	= smsc9220_resources,

	.num_resources	= ARRAY_SIZE(smsc9220_resources),

};



static struct platform_device *kota2_devices[] __initdata = {

	&eth_device,

};



static struct map_desc kota2_io_desc[] __initdata = {

	/* create a 1:1 entity map for 0xe6xxxxxx

	 * used by CPGA, INTC and PFC.

	 */

	{

		.virtual	= 0xe6000000,

		.pfn		= __phys_to_pfn(0xe6000000),

		.length		= 256 << 20,

		.type		= MT_DEVICE_NONSHARED

	},

};



static void __init kota2_map_io(void)

{

	iotable_init(kota2_io_desc, ARRAY_SIZE(kota2_io_desc));



	/* setup early devices and console here as well */

	sh73a0_add_early_devices();

	shmobile_setup_console();

}



#define PINTER0A	0xe69000a0

#define PINTCR0A	0xe69000b0



void __init kota2_init_irq(void)

{

	sh73a0_init_irq();



	/* setup PINT: enable PINTA2 as active low */

	__raw_writel(1 << 29, PINTER0A);

	__raw_writew(2 << 10, PINTCR0A);

}



static void __init kota2_init(void)

{

	sh73a0_pinmux_init();



	/* SCIFA2 (UART2) */

	gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);

	gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);

	gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);

	gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);



	/* SMSC911X */

	gpio_request(GPIO_FN_D0_NAF0, NULL);

	gpio_request(GPIO_FN_D1_NAF1, NULL);

	gpio_request(GPIO_FN_D2_NAF2, NULL);

	gpio_request(GPIO_FN_D3_NAF3, NULL);

	gpio_request(GPIO_FN_D4_NAF4, NULL);

	gpio_request(GPIO_FN_D5_NAF5, NULL);

	gpio_request(GPIO_FN_D6_NAF6, NULL);

	gpio_request(GPIO_FN_D7_NAF7, NULL);

	gpio_request(GPIO_FN_D8_NAF8, NULL);

	gpio_request(GPIO_FN_D9_NAF9, NULL);

	gpio_request(GPIO_FN_D10_NAF10, NULL);

	gpio_request(GPIO_FN_D11_NAF11, NULL);

	gpio_request(GPIO_FN_D12_NAF12, NULL);

	gpio_request(GPIO_FN_D13_NAF13, NULL);

	gpio_request(GPIO_FN_D14_NAF14, NULL);

	gpio_request(GPIO_FN_D15_NAF15, NULL);

	gpio_request(GPIO_FN_CS5A_, NULL);

	gpio_request(GPIO_FN_WE0__FWE, NULL);

	gpio_request(GPIO_PORT144, NULL); /* PINTA2 */

	gpio_direction_input(GPIO_PORT144);

	gpio_request(GPIO_PORT145, NULL); /* RESET */

	gpio_direction_output(GPIO_PORT145, 1);



#ifdef CONFIG_CACHE_L2X0

	/* Early BRESP enable, Shared attribute override enable, 64K*8way */

	l2x0_init(__io(0xf0100000), 0x40460000, 0x82000fff);

#endif

	sh73a0_add_standard_devices();

	platform_add_devices(kota2_devices, ARRAY_SIZE(kota2_devices));

}



static void __init kota2_timer_init(void)

{

	sh73a0_clock_init();

	shmobile_timer.init();

	return;

}



struct sys_timer kota2_timer = {

	.init	= kota2_timer_init,

};



MACHINE_START(KOTA2, "kota2")

	.map_io		= kota2_map_io,

	.init_irq	= kota2_init_irq,

	.handle_irq	= shmobile_handle_irq_gic,

	.init_machine	= kota2_init,

	.timer		= &kota2_timer,

MACHINE_END

arch/arm/mach-shmobile/platsmp.c

+6 −4
Original line number Diff line number Diff line
@@ -21,9 +21,11 @@ 
#include <asm/mach-types.h>

#include <mach/common.h>



#define is_sh73a0() (machine_is_ag5evm() || machine_is_kota2())



static unsigned int __init shmobile_smp_get_core_count(void)

{

	if (machine_is_ag5evm())

	if (is_sh73a0())

		return sh73a0_get_core_count();



	return 1;
@@ -31,7 +33,7 @@ static unsigned int __init shmobile_smp_get_core_count(void) 


static void __init shmobile_smp_prepare_cpus(void)

{

	if (machine_is_ag5evm())

	if (is_sh73a0())

		sh73a0_smp_prepare_cpus();

}
@@ -39,13 +41,13 @@ void __cpuinit platform_secondary_init(unsigned int cpu) 
{

	trace_hardirqs_off();



	if (machine_is_ag5evm())

	if (is_sh73a0())

		sh73a0_secondary_init(cpu);

}



int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)

{

	if (machine_is_ag5evm())

	if (is_sh73a0())

		return sh73a0_boot_secondary(cpu);



	return -ENOSYS;