diff options
| author | Anson Huang <b20788@freescale.com> | 2011-08-17 14:42:11 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-07-20 13:15:29 +0800 |
| commit | 5cd658fa3f8b08d07613a61e24f2486ba6191fc9 (patch) | |
| tree | d040d279f55bef3f78fc5c7cd046b46068c0d9cb /arch/arm/mach-mx6/pm.c | |
| parent | b6efbc7bd96971765bc29a5b518b683f762cefe7 (diff) | |
ENGR00154931 [MX6]L2 cache init wrong after resume
1.Need to add condition check after resum, or if we
didn't config L2 cache, build will fail.
2.Need to call the mxc_init_l2x0 instead of l2x0_init.
Signed-off-by: Anson Huang <b20788@freescale.com>
Diffstat (limited to 'arch/arm/mach-mx6/pm.c')
| -rw-r--r-- | arch/arm/mach-mx6/pm.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/mach-mx6/pm.c b/arch/arm/mach-mx6/pm.c index 420eb929db97..7fcfaaa1925c 100644 --- a/arch/arm/mach-mx6/pm.c +++ b/arch/arm/mach-mx6/pm.c @@ -62,6 +62,7 @@ extern int set_cpu_freq(int wp); #endif extern void mx6q_suspend(suspend_state_t state); extern void mx6_init_irq(void); +extern int mxc_init_l2x0(void); static struct device *pm_dev; struct clk *gpc_dvfs_clk; @@ -69,7 +70,6 @@ static void __iomem *scu_base; static void __iomem *gpc_base; static void __iomem *src_base; static void __iomem *local_twd_base; -static void __iomem *pl310_base; static void __iomem *gic_dist_base; static void __iomem *gic_cpu_base; @@ -143,12 +143,13 @@ static int mx6_suspend_enter(suspend_state_t state) local_flush_tlb_all(); flush_cache_all(); +#ifdef CONFIG_CACHE_L2X0 outer_cache.flush_all(); /* for dormant mode, we need to disable l2 cache */ if (state == PM_SUSPEND_MEM) outer_cache.disable(); - +#endif suspend_in_iram(state, (unsigned long)iram_paddr, (unsigned long)suspend_iram_base); @@ -168,8 +169,10 @@ static int mx6_suspend_enter(suspend_state_t state) (MXC_INT_GPT / 32) * 4); flush_cache_all(); +#ifdef CONFIG_CACHE_L2X0 /* init l2 cache, pl310 */ - l2x0_init(pl310_base, 0x0, ~0x00000000); + mxc_init_l2x0(); +#endif } mx6_suspend_restore(); @@ -253,7 +256,6 @@ static int __init pm_init(void) scu_base = IO_ADDRESS(SCU_BASE_ADDR); gpc_base = IO_ADDRESS(GPC_BASE_ADDR); src_base = IO_ADDRESS(SRC_BASE_ADDR); - pl310_base = IO_ADDRESS(L2_BASE_ADDR); gic_dist_base = IO_ADDRESS(IC_DISTRIBUTOR_BASE_ADDR); gic_cpu_base = IO_ADDRESS(IC_INTERFACES_BASE_ADDR); local_twd_base = IO_ADDRESS(LOCAL_TWD_ADDR); |