[PATCH 14/14] ux500: add U5500 support
Rabin Vincent
rabin.vincent at stericsson.com
Tue Apr 27 00:16:52 EDT 2010
Add basic support for the U5500 platform.
Acked-by: Linus Walleij <linus.walleij at stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar at stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent at stericsson.com>
---
arch/arm/mach-ux500/Kconfig | 17 ++++++---
arch/arm/mach-ux500/Makefile | 2 +
arch/arm/mach-ux500/board-u5500.c | 41 ++++++++++++++++++++++
arch/arm/mach-ux500/clock.c | 4 ++
arch/arm/mach-ux500/cpu-db5500.c | 50 +++++++++++++++++++++++++++
arch/arm/mach-ux500/devices-db5500.c | 46 ++++++++++++++++++++++++
arch/arm/mach-ux500/include/mach/devices.h | 1 +
arch/arm/mach-ux500/include/mach/hardware.h | 9 +++++
arch/arm/mach-ux500/include/mach/setup.h | 2 +
9 files changed, 166 insertions(+), 6 deletions(-)
create mode 100644 arch/arm/mach-ux500/board-u5500.c
create mode 100644 arch/arm/mach-ux500/cpu-db5500.c
create mode 100644 arch/arm/mach-ux500/devices-db5500.c
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index 8ad5ee8..6625e5b 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -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"
diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile
index 2eb7685..c7bc419 100644
--- a/arch/arm/mach-ux500/Makefile
+++ b/arch/arm/mach-ux500/Makefile
@@ -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
diff --git a/arch/arm/mach-ux500/board-u5500.c b/arch/arm/mach-ux500/board-u5500.c
new file mode 100644
index 0000000..4430e69
--- /dev/null
+++ b/arch/arm/mach-ux500/board-u5500.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent at 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
diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c
index d16b8b5..c325dad 100644
--- a/arch/arm/mach-ux500/clock.c
+++ b/arch/arm/mach-ux500/clock.c
@@ -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));
diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c
new file mode 100644
index 0000000..6a3ac45
--- /dev/null
+++ b/arch/arm/mach-ux500/cpu-db5500.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent at 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));
+}
diff --git a/arch/arm/mach-ux500/devices-db5500.c b/arch/arm/mach-ux500/devices-db5500.c
new file mode 100644
index 0000000..33e5b56
--- /dev/null
+++ b/arch/arm/mach-ux500/devices-db5500.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent at 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),
+};
diff --git a/arch/arm/mach-ux500/include/mach/devices.h b/arch/arm/mach-ux500/include/mach/devices.h
index 76b3569..0422af0 100644
--- a/arch/arm/mach-ux500/include/mach/devices.h
+++ b/arch/arm/mach-ux500/include/mach/devices.h
@@ -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;
diff --git a/arch/arm/mach-ux500/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h
index 1353f17..8656379 100644
--- a/arch/arm/mach-ux500/include/mach/hardware.h
+++ b/arch/arm/mach-ux500/include/mach/hardware.h
@@ -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 */
diff --git a/arch/arm/mach-ux500/include/mach/setup.h b/arch/arm/mach-ux500/include/mach/setup.h
index c730d07..e978dbd 100644
--- a/arch/arm/mach-ux500/include/mach/setup.h
+++ b/arch/arm/mach-ux500/include/mach/setup.h
@@ -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);
--
1.7.0
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