diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx25/clock.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c index abd303bc3bf..08aaa38f1f1 100644 --- a/arch/arm/mach-mx25/clock.c +++ b/arch/arm/mach-mx25/clock.c @@ -218,6 +218,14 @@ int __init mx25_clocks_init(void) for (i = 0; i < ARRAY_SIZE(lookups); i++) clkdev_add(&lookups[i]); + /* Turn off all clocks except the ones we need to survive, namely: + * EMI, GPIO1-3 (CCM_CGCR1[18:16]), GPT1, IOMUXC (CCM_CGCR1[27]), IIM, + * SCC + */ + __raw_writel((1 << 19), CRM_BASE + CCM_CGCR0); + __raw_writel((0xf << 16) | (3 << 26), CRM_BASE + CCM_CGCR1); + __raw_writel((1 << 5), CRM_BASE + CCM_CGCR2); + mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54); return 0; |