diff options
Diffstat (limited to 'arch/arm/mach-msm/proc_comm.c')
| -rw-r--r-- | arch/arm/mach-msm/proc_comm.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/arch/arm/mach-msm/proc_comm.c b/arch/arm/mach-msm/proc_comm.c index 915ee704ed3..67e701c7f18 100644 --- 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); + +} |