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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-11-07 21:01:06 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-11-07 21:01:06 +0000
commit9b1283bedd6b8fe2f4dfc47705d6cea1b5e2d853 (patch)
tree58f922601d802024338383aba70518b3265e58ce
parent01bbaf0b2b7b38e43139dce8bd64f8c7b2b83940 (diff)
[ARM] Add support for Realview with MPcore tile
Add uniprocessor support for Realview platform fitted with the MPcore (SMP) tile. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-realview/Kconfig9
-rw-r--r--arch/arm/mach-realview/realview_eb.c5
-rw-r--r--include/asm-arm/arch-realview/platform.h55
3 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index 4b63dc9eabf..129976866d4 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -8,4 +8,13 @@ config MACH_REALVIEW_EB
help
Include support for the ARM(R) RealView Emulation Baseboard platform.
+config REALVIEW_MPCORE
+ bool "Support MPcore tile"
+ depends on MACH_REALVIEW_EB
+ help
+ Enable support for the MPCore tile on the Realview platform.
+ Since there are device address and interrupt differences, a
+ kernel built with this option enabled is not compatible with
+ other tiles.
+
endmenu
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 267bb07e39b..7dc32503fdf 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -136,6 +136,11 @@ static struct amba_device *amba_devs[] __initdata = {
static void __init gic_init_irq(void)
{
+#ifdef CONFIG_REALVIEW_MPCORE
+ writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
+ writel(0x008003c0, __io_address(REALVIEW_SYS_BASE) + 0xd8);
+ writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
+#endif
gic_dist_init(__io_address(REALVIEW_GIC_DIST_BASE));
gic_cpu_init(__io_address(REALVIEW_GIC_CPU_BASE));
}
diff --git a/include/asm-arm/arch-realview/platform.h b/include/asm-arm/arch-realview/platform.h
index 4b6de13a6b9..432260121c8 100644
--- a/include/asm-arm/arch-realview/platform.h
+++ b/include/asm-arm/arch-realview/platform.h
@@ -203,8 +203,13 @@
/* Reserved 0x1001A000 - 0x1001FFFF */
#define REALVIEW_CLCD_BASE 0x10020000 /* CLCD */
#define REALVIEW_DMAC_BASE 0x10030000 /* DMA controller */
+#ifndef CONFIG_REALVIEW_MPCORE
#define REALVIEW_GIC_CPU_BASE 0x10040000 /* Generic interrupt controller CPU interface */
#define REALVIEW_GIC_DIST_BASE 0x10041000 /* Generic interrupt controller distributor */
+#else
+#define REALVIEW_GIC_CPU_BASE 0x10100100 /* Generic interrupt controller CPU interface */
+#define REALVIEW_GIC_DIST_BASE 0x10101000 /* Generic interrupt controller distributor */
+#endif
#define REALVIEW_SMC_BASE 0x10080000 /* SMC */
/* Reserved 0x10090000 - 0x100EFFFF */
@@ -265,6 +270,7 @@
* Interrupts - bit assignment (primary)
* ------------------------------------------------------------------------
*/
+#ifndef CONFIG_REALVIEW_MPCORE
#define INT_WDOGINT 0 /* Watchdog timer */
#define INT_SOFTINT 1 /* Software interrupt */
#define INT_COMMRx 2 /* Debug Comm Rx interrupt */
@@ -297,6 +303,55 @@
#define INT_USB 29 /* USB controller */
#define INT_TSPENINT 30 /* Touchscreen pen */
#define INT_TSKPADINT 31 /* Touchscreen keypad */
+#else
+#define INT_LOCALTIMER 29
+#define INT_LOCALWDOG 30
+
+#define INT_AACI 0
+#define INT_TIMERINT0_1 1
+#define INT_TIMERINT2_3 2
+#define INT_USB 3
+#define INT_UARTINT0 4
+#define INT_UARTINT1 5
+#define INT_RTCINT 6
+#define INT_KMI0 7
+#define INT_KMI1 8
+#define INT_ETH 9
+#define INT_EB_IRQ1 10 /* main GIC */
+#define INT_EB_IRQ2 11 /* tile GIC */
+#define INT_EB_FIQ1 12 /* main GIC */
+#define INT_EB_FIQ2 13 /* tile GIC */
+#define INT_MMCI0A 14
+#define INT_MMCI0B 15
+
+#define INT_PMU_CPU0 17
+#define INT_PMU_CPU1 18
+#define INT_PMU_CPU2 19
+#define INT_PMU_CPU3 20
+#define INT_PMU_SCU0 21
+#define INT_PMU_SCU1 22
+#define INT_PMU_SCU2 23
+#define INT_PMU_SCU3 24
+#define INT_PMU_SCU4 25
+#define INT_PMU_SCU5 26
+#define INT_PMU_SCU6 27
+#define INT_PMU_SCU7 28
+
+#define INT_L220_EVENT 29
+#define INT_L220_SLAVE 30
+#define INT_L220_DECODE 31
+
+#define INT_UARTINT2 -1
+#define INT_UARTINT3 -1
+#define INT_CLCDINT -1
+#define INT_DMAINT -1
+#define INT_WDOGINT -1
+#define INT_GPIOINT0 -1
+#define INT_GPIOINT1 -1
+#define INT_GPIOINT2 -1
+#define INT_SCIINT -1
+#define INT_SSPINT -1
+#endif
/*
* Interrupt bit positions