diff options
| author | Bo Shen <voice.shen@atmel.com> | 2014-12-03 18:02:19 +0800 |
|---|---|---|
| committer | Andreas Bießmann <andreas.devel@googlemail.com> | 2015-01-19 15:02:44 +0100 |
| commit | 765ece8b133be0206353896677b671808b6aa7b4 (patch) | |
| tree | 6550a9551a8e1e9ad829b0294a5425199b2ca276 /arch/arm | |
| parent | e05e46ed3c55b21ee56ea39aceab5601e6a62e3b (diff) | |
ARM: atmel: sama5d4: add usb device initial code
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/at91/sama5d4_devices.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/at91/sama5d4_devices.c b/arch/arm/cpu/armv7/at91/sama5d4_devices.c index 2708097300..7469825565 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 |