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authorRabin Vincent <rabin.vincent@stericsson.com>2010-05-03 07:39:02 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-05-04 17:50:02 +0100
commit178980f98eef58607647eb66e178bf984bf81f4c (patch)
tree42b536e6e9ffb447a3b070a44a8219aed424e4d0 /arch/arm/mach-ux500/cpu.c
parent39a982b4cda1b9c129094a411962348827412d50 (diff)
ARM: 6080/1: ux500: move irq and common maps to cpu.c
Move IRQ initialization and common io mapping setup code to cpu.c, renaming U8500* to UX500* along the way. 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>
Diffstat (limited to 'arch/arm/mach-ux500/cpu.c')
-rw-r--r--arch/arm/mach-ux500/cpu.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
new file mode 100644
index 00000000000..e6a8058cd73
--- /dev/null
+++ b/arch/arm/mach-ux500/cpu.c
@@ -0,0 +1,68 @@
+/*
+ * 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 <linux/clk.h>
+
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/hardware/gic.h>
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/setup.h>
+
+#include "clock.h"
+
+static struct map_desc ux500_io_desc[] __initdata = {
+ __IO_DEV_DESC(UX500_UART0_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_UART2_BASE, SZ_4K),
+
+ __IO_DEV_DESC(UX500_GIC_CPU_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_GIC_DIST_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_L2CC_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_TWD_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_SCU_BASE, SZ_4K),
+
+ __IO_DEV_DESC(UX500_CLKRST1_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_CLKRST2_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_CLKRST3_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_CLKRST5_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_CLKRST6_BASE, SZ_4K),
+
+ __IO_DEV_DESC(UX500_MTU0_BASE, SZ_4K),
+ __IO_DEV_DESC(UX500_MTU1_BASE, SZ_4K),
+
+ __IO_DEV_DESC(UX500_BACKUPRAM0_BASE, SZ_8K),
+};
+
+void __init ux500_map_io(void)
+{
+ iotable_init(ux500_io_desc, ARRAY_SIZE(ux500_io_desc));
+}
+
+void __init ux500_init_irq(void)
+{
+ gic_dist_init(0, __io_address(UX500_GIC_DIST_BASE), 29);
+ gic_cpu_init(0, __io_address(UX500_GIC_CPU_BASE));
+}
+
+#ifdef CONFIG_CACHE_L2X0
+static int ux500_l2x0_init(void)
+{
+ void __iomem *l2x0_base;
+
+ l2x0_base = __io_address(UX500_L2CC_BASE);
+
+ /* 64KB way size, 8 way associativity, force WA */
+ l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff);
+
+ return 0;
+}
+early_initcall(ux500_l2x0_init);
+#endif