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-rw-r--r--arch/arm/cpu/arm926ejs/cpu.c2
-rw-r--r--arch/arm/cpu/armv7/at91/sama5d4_devices.c16
-rw-r--r--arch/arm/include/asm/arch-at91/atmel_usba_udc.h2
-rw-r--r--arch/arm/lib/cache.c2
4 files changed, 21 insertions, 1 deletions
diff --git a/arch/arm/cpu/arm926ejs/cpu.c b/arch/arm/cpu/arm926ejs/cpu.c
index e37e87b..a90ce30 100644
--- a/arch/arm/cpu/arm926ejs/cpu.c
+++ b/arch/arm/cpu/arm926ejs/cpu.c
@@ -45,7 +45,9 @@ int cleanup_before_linux (void)
/* flush I/D-cache */
static void cache_flush (void)
{
+#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
unsigned long i = 0;
asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i));
+#endif
}
diff --git a/arch/arm/cpu/armv7/at91/sama5d4_devices.c b/arch/arm/cpu/armv7/at91/sama5d4_devices.c
index 2708097..7469825 100644
--- a/arch/arm/cpu/armv7/at91/sama5d4_devices.c
+++ b/arch/arm/cpu/armv7/at91/sama5d4_devices.c
@@ -6,6 +6,10 @@
*/
#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/clk.h>
#include <asm/arch/sama5d4.h>
char *get_cpu_name()
@@ -28,3 +32,15 @@ char *get_cpu_name()
else
return "Unknown CPU type";
}
+
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+void at91_udp_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ /* Enable UPLL clock */
+ writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr);
+ /* Enable UDPHS clock */
+ at91_periph_clk_enable(ATMEL_ID_UDPHS);
+}
+#endif
diff --git a/arch/arm/include/asm/arch-at91/atmel_usba_udc.h b/arch/arm/include/asm/arch-at91/atmel_usba_udc.h
index 6f540d2..38b5012 100644
--- a/arch/arm/include/asm/arch-at91/atmel_usba_udc.h
+++ b/arch/arm/include/asm/arch-at91/atmel_usba_udc.h
@@ -31,7 +31,7 @@ static struct usba_ep_data usba_udc_ep[] = {
EP("ep5", 5, 1024, 3, 1, 1),
EP("ep6", 6, 1024, 3, 1, 1),
};
-#elif defined(CONFIG_SAMA5D3)
+#elif defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4)
static struct usba_ep_data usba_udc_ep[] = {
EP("ep0", 0, 64, 1, 0, 0),
EP("ep1", 1, 1024, 3, 1, 0),
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
index 9cedeac..74cfde6 100644
--- a/arch/arm/lib/cache.c
+++ b/arch/arm/lib/cache.c
@@ -25,10 +25,12 @@ __weak void flush_cache(unsigned long start, unsigned long size)
#endif /* CONFIG_CPU_ARM1136 */
#ifdef CONFIG_CPU_ARM926EJS
+#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
/* test and clean, page 2-23 of arm926ejs manual */
asm("0: mrc p15, 0, r15, c7, c10, 3\n\t" "bne 0b\n" : : : "memory");
/* disable write buffer as well (page 2-22) */
asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
+#endif
#endif /* CONFIG_CPU_ARM926EJS */
return;
}