Merge branch 'msm-core' of git://codeaurora.org/quic/kernel/dwalker/linux-msm

[pandora-kernel.git] / arch / arm / mach-msm / proc_comm.c

diff --git a/arch/arm/mach-msm/proc_comm.c b/arch/arm/mach-msm/proc_comm.c
index 915ee70..67e701c 100644 (file)
--- a/arch/arm/mach-msm/proc_comm.c
+++ b/arch/arm/mach-msm/proc_comm.c
@@ -23,11 +23,18 @@
 
 #include "proc_comm.h"
 
-#define MSM_A2M_INT(n) (MSM_CSR_BASE + 0x400 + (n) * 4)
+static inline void msm_a2m_int(uint32_t irq)
+{
+#if defined(CONFIG_ARCH_MSM7X30)
+       writel(1 << irq, MSM_GCC_BASE + 0x8);
+#else
+       writel(1, MSM_CSR_BASE + 0x400 + (irq * 4));
+#endif
+}
 
 static inline void notify_other_proc_comm(void)
 {
-       writel(1, MSM_A2M_INT(6));
+       msm_a2m_int(6);
 }
 
 #define APP_COMMAND 0x00
@@ -107,4 +114,17 @@ int msm_proc_comm(unsigned cmd, unsigned *data1, unsigned *data2)
        return ret;
 }
 
-
+/*
+ * We need to wait for the ARM9 to at least partially boot
+ * up before we can continue. Since the ARM9 does resource
+ * allocation, if we dont' wait we could end up crashing or in
+ * and unknown state. This function should be called early to
+ * wait on the ARM9.
+ */
+void __init proc_comm_boot_wait(void)
+{
+       void __iomem *base = MSM_SHARED_RAM_BASE;
+ 
+       proc_comm_wait_for(base + MDM_STATUS, PCOM_READY);
+ 
+}