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ARM: 6090/1: ux500: add U5500 support 

Add basic support for the U5500 platform.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Rabin Vincent 2010-05-03 08:46:51 +01:00 committed by Russell King
parent cb165c5256
commit 591d8dd71c
9 changed files with 166 additions and 6 deletions
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17
arch/arm/mach-ux500/Kconfig
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@ -13,19 +13,24 @@ config UX500_SOC_DB8500
config UX500_SOC_DB5500
bool
menu "ST-Ericsson platform type"
comment "ST-Ericsson Multicore Mobile Platforms"
choice
prompt "Ux500 target platform"
default MACH_U8500_MOP
config MACH_U8500_MOP
bool "U8500 Early Development platform"
default y
bool "U8500 Development platform"
select UX500_SOC_DB8500
help
Include support for mop500 development platform
based on U8500 architecture. The platform is based
on early drop silicon version of 8500.
endmenu
config MACH_U5500
bool "U5500 Development platform"
select UX500_SOC_DB5500
help
Include support for the U5500 development platform.
endchoice
config UX500_DEBUG_UART
int "Ux500 UART to use for low-level debug"

2
arch/arm/mach-ux500/Makefile
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@ -3,6 +3,8 @@
#
obj-y := clock.o cpu.o devices.o
obj-$(CONFIG_UX500_SOC_DB5500) += cpu-db5500.o devices-db5500.o
obj-$(CONFIG_UX500_SOC_DB8500) += cpu-db8500.o devices-db8500.o
obj-$(CONFIG_MACH_U8500_MOP) += board-mop500.o
obj-$(CONFIG_MACH_U5500) += board-u5500.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o localtimer.o

41
arch/arm/mach-ux500/board-u5500.c Normal file
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@ -0,0 +1,41 @@
/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/amba/bus.h>
#include <linux/gpio.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <mach/devices.h>
#include <mach/setup.h>
static struct amba_device *amba_board_devs[] __initdata = {
&ux500_uart0_device,
&ux500_uart1_device,
&ux500_uart2_device,
};
static void __init u5500_init_machine(void)
{
u5500_init_devices();
amba_add_devices(amba_board_devs, ARRAY_SIZE(amba_board_devs));
}
MACHINE_START(U8500, "ST-Ericsson U5500 Platform")
.phys_io = UX500_UART0_BASE,
.io_pg_offst = (IO_ADDRESS(UX500_UART0_BASE) >> 18) & 0xfffc,
.boot_params = 0x00000100,
.map_io = u5500_map_io,
.init_irq = ux500_init_irq,
.timer = &ux500_timer,
.init_machine = u5500_init_machine,
MACHINE_END

4
arch/arm/mach-ux500/clock.c
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@ -502,6 +502,10 @@ static int __init clk_init(void)
if (cpu_is_u8500ed()) {
clk_prcmu_ops.enable = clk_prcmu_ed_enable;
clk_prcmu_ops.disable = clk_prcmu_ed_disable;
} else if (cpu_is_u5500()) {
/* Clock tree for U5500 not implemented yet */
clk_prcc_ops.enable = clk_prcc_ops.disable = NULL;
clk_prcmu_ops.enable = clk_prcmu_ops.disable = NULL;
}
clkdev_add_table(u8500_common_clks, ARRAY_SIZE(u8500_common_clks));

50
arch/arm/mach-ux500/cpu-db5500.c Normal file
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@ -0,0 +1,50 @@
/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/platform_device.h>
#include <linux/amba/bus.h>
#include <linux/io.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include <mach/devices.h>
#include <mach/setup.h>
static struct map_desc u5500_io_desc[] __initdata = {
__IO_DEV_DESC(U5500_GPIO0_BASE, SZ_4K),
__IO_DEV_DESC(U5500_GPIO1_BASE, SZ_4K),
__IO_DEV_DESC(U5500_GPIO2_BASE, SZ_4K),
__IO_DEV_DESC(U5500_GPIO3_BASE, SZ_4K),
__IO_DEV_DESC(U5500_GPIO4_BASE, SZ_4K),
};
static struct platform_device *u5500_platform_devs[] __initdata = {
&u5500_gpio_devs[0],
&u5500_gpio_devs[1],
&u5500_gpio_devs[2],
&u5500_gpio_devs[3],
&u5500_gpio_devs[4],
&u5500_gpio_devs[5],
&u5500_gpio_devs[6],
&u5500_gpio_devs[7],
};
void __init u5500_map_io(void)
{
ux500_map_io();
iotable_init(u5500_io_desc, ARRAY_SIZE(u5500_io_desc));
}
void __init u5500_init_devices(void)
{
ux500_init_devices();
platform_add_devices(u5500_platform_devs,
ARRAY_SIZE(u5500_platform_devs));
}

46
arch/arm/mach-ux500/devices-db5500.c Normal file
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@ -0,0 +1,46 @@
/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
#include <mach/devices.h>
static struct nmk_gpio_platform_data u5500_gpio_data[] = {
GPIO_DATA("GPIO-0-31", 0),
GPIO_DATA("GPIO-32-63", 32), /* 36..63 not routed to pin */
GPIO_DATA("GPIO-64-95", 64), /* 83..95 not routed to pin */
GPIO_DATA("GPIO-96-127", 96), /* 102..127 not routed to pin */
GPIO_DATA("GPIO-128-159", 128), /* 149..159 not routed to pin */
GPIO_DATA("GPIO-160-191", 160),
GPIO_DATA("GPIO-192-223", 192),
GPIO_DATA("GPIO-224-255", 224), /* 228..255 not routed to pin */
};
static struct resource u5500_gpio_resources[] = {
GPIO_RESOURCE(0),
GPIO_RESOURCE(1),
GPIO_RESOURCE(2),
GPIO_RESOURCE(3),
GPIO_RESOURCE(4),
GPIO_RESOURCE(5),
GPIO_RESOURCE(6),
GPIO_RESOURCE(7),
};
struct platform_device u5500_gpio_devs[] = {
GPIO_DEVICE(0),
GPIO_DEVICE(1),
GPIO_DEVICE(2),
GPIO_DEVICE(3),
GPIO_DEVICE(4),
GPIO_DEVICE(5),
GPIO_DEVICE(6),
GPIO_DEVICE(7),
};

1
arch/arm/mach-ux500/include/mach/devices.h
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@ -10,6 +10,7 @@
struct platform_device;
struct amba_device;
extern struct platform_device u5500_gpio_devs[];
extern struct platform_device u8500_gpio_devs[];
extern struct amba_device ux500_pl031_device;

9
arch/arm/mach-ux500/include/mach/hardware.h
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@ -114,6 +114,15 @@ static inline bool cpu_is_u8500v1(void)
return cpu_is_u8500() && (read_cpuid_id() & 15) == 1;
}
static inline bool cpu_is_u5500(void)
{
#ifdef CONFIG_UX500_SOC_DB5500
return 1;
#else
return 0;
#endif
}
#endif
#endif /* __MACH_HARDWARE_H */

2
arch/arm/mach-ux500/include/mach/setup.h
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@ -15,9 +15,11 @@
#include <linux/init.h>
extern void __init ux500_map_io(void);
extern void __init u5500_map_io(void);
extern void __init u8500_map_io(void);
extern void __init ux500_init_devices(void);
extern void __init u5500_init_devices(void);
extern void __init u8500_init_devices(void);
extern void __init ux500_init_irq(void);