ARM: i.MX53: Detect booting from USB
The USB download mode can be detected by reading the BMOD[0|1] bits. Add support for it. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
parent
0b47f95340
commit
ff986b16ad
|
@ -217,6 +217,12 @@ void imx53_get_boot_source(enum bootsource *src, int *instance)
|
||||||
void __iomem *src_base = IOMEM(MX53_SRC_BASE_ADDR);
|
void __iomem *src_base = IOMEM(MX53_SRC_BASE_ADDR);
|
||||||
uint32_t cfg1 = readl(src_base + IMX53_SRC_SBMR);
|
uint32_t cfg1 = readl(src_base + IMX53_SRC_SBMR);
|
||||||
|
|
||||||
|
if (((cfg1 >> 24) & 0x3) == 0x3) {
|
||||||
|
*src = BOOTSOURCE_USB;
|
||||||
|
*instance = 0;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
switch ((cfg1 & 0xff) >> 4) {
|
switch ((cfg1 & 0xff) >> 4) {
|
||||||
case 2:
|
case 2:
|
||||||
*src = BOOTSOURCE_HD;
|
*src = BOOTSOURCE_HD;
|
||||||
|
|
Loading…
Reference in New Issue