[U-Boot] [PATCH 3/4] USB: ohci-at91: use pcr to enable or disable clock
Bo Shen
voice.shen at atmel.com
Wed Aug 6 11:24:56 CEST 2014
If the SoC has pcr, we use pcr (peripheral control register)
to enable or disable clock.
Signed-off-by: Bo Shen <voice.shen at atmel.com>
---
drivers/usb/host/ohci-at91.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index c24505e..820e2e5 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -38,8 +38,8 @@ int usb_cpu_init(void)
#endif
/* Enable USB host clock. */
-#ifdef CONFIG_SAMA5D3
- writel(1 << (ATMEL_ID_UHP - 32), &pmc->pcer1);
+#ifdef CPU_HAS_PCR
+ at91_periph_clk_enable(ATMEL_ID_UHP);
#else
writel(1 << ATMEL_ID_UHP, &pmc->pcer);
#endif
@@ -58,8 +58,8 @@ int usb_cpu_stop(void)
at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
/* Disable USB host clock. */
-#ifdef CONFIG_SAMA5D3
- writel(1 << (ATMEL_ID_UHP - 32), &pmc->pcdr1);
+#ifdef CPU_HAS_PCR
+ at91_periph_clk_disable(ATMEL_ID_UHP);
#else
writel(1 << ATMEL_ID_UHP, &pmc->pcdr);
#endif
--
1.8.5.2
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