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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-03 14:31:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-03 14:31:24 -0700
commitbe82ae0238b0453afcf4a76f0512b7dde34ba500 (patch)
treeaaa3f5f11fd51fd73365ee1a2164aad9a03de060 /arch/arm/mach-integrator/core.c
parent4b4fd27c0b5ec638a1f06ced9226fd95229dbbf0 (diff)
parent7b70c4275f28702b76b273c8534c38f8313812e9 (diff)
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Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (291 commits) ARM: AMBA: Add pclk support to AMBA bus infrastructure ARM: 6278/2: fix regression in RealView after the introduction of pclk ARM: 6277/1: mach-shmobile: Allow users to select HZ, default to 128 ARM: 6276/1: mach-shmobile: remove duplicate NR_IRQS_LEGACY ARM: 6246/1: mmci: support larger MMCIDATALENGTH register ARM: 6245/1: mmci: enable hardware flow control on Ux500 variants ARM: 6244/1: mmci: add variant data and default MCICLOCK support ARM: 6243/1: mmci: pass power_mode to the translate_vdd callback ARM: 6274/1: add global control registers definition header file for nuc900 mx2_camera: fix type of dma buffer virtual address pointer mx2_camera: Add soc_camera support for i.MX25/i.MX27 arm/imx/gpio: add spinlock protection ARM: Add support for the LPC32XX arch ARM: LPC32XX: Arch config menu supoport and makefiles ARM: LPC32XX: Phytec 3250 platform support ARM: LPC32XX: Misc support functions ARM: LPC32XX: Serial support code ARM: LPC32XX: System suspend support ARM: LPC32XX: GPIO, timer, and IRQ drivers ARM: LPC32XX: Clock driver ...
Diffstat (limited to 'arch/arm/mach-integrator/core.c')
-rw-r--r--arch/arm/mach-integrator/core.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
index b02cfc06e0ae..8f4fb6d638f7 100644
--- a/arch/arm/mach-integrator/core.c
+++ b/arch/arm/mach-integrator/core.c
@@ -14,6 +14,7 @@
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
+#include <linux/memblock.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/termios.h>
@@ -30,6 +31,7 @@
#include <asm/system.h>
#include <asm/leds.h>
#include <asm/mach/time.h>
+#include <asm/pgtable.h>
static struct amba_pl010_data integrator_uart_data;
@@ -119,8 +121,13 @@ static struct clk uartclk = {
.rate = 14745600,
};
+static struct clk dummy_apb_pclk;
+
static struct clk_lookup lookups[] = {
- { /* UART0 */
+ { /* Bus clock */
+ .con_id = "apb_pclk",
+ .clk = &dummy_apb_pclk,
+ }, { /* UART0 */
.dev_id = "mb:16",
.clk = &uartclk,
}, { /* UART1 */
@@ -215,3 +222,13 @@ void cm_control(u32 mask, u32 set)
}
EXPORT_SYMBOL(cm_control);
+
+/*
+ * We need to stop things allocating the low memory; ideally we need a
+ * better implementation of GFP_DMA which does not assume that DMA-able
+ * memory starts at zero.
+ */
+void __init integrator_reserve(void)
+{
+ memblock_reserve(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET);
+}