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ARM: atmel: sama5d4: add usb device initial code

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Signed-off-by: Bo Shen <voice.shen@atmel.com>
This commit is contained in:
Bo Shen 2014-12-03 18:02:19 +08:00 committed by Andreas Bießmann
parent e05e46ed3c
commit 765ece8b13
1 changed files with 16 additions and 0 deletions
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16
arch/arm/cpu/armv7/at91/sama5d4_devices.c
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@ -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