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imx_common: check for Serial Downloader in spl_boot_device
[platform/kernel/u-boot.git]
/
arch
/
arm
/
imx-common
/
spl.c
diff --git
a/arch/arm/imx-common/spl.c
b/arch/arm/imx-common/spl.c
index
ac6e40e
..
caa45cf
100644
(file)
--- a/
arch/arm/imx-common/spl.c
+++ b/
arch/arm/imx-common/spl.c
@@
-20,7
+20,15
@@
u32 spl_boot_device(void)
struct src *psrc = (struct src *)SRC_BASE_ADDR;
unsigned int gpr10_boot = readl(&psrc->gpr10) & (1 << 28);
unsigned reg = gpr10_boot ? readl(&psrc->gpr9) : readl(&psrc->sbmr1);
struct src *psrc = (struct src *)SRC_BASE_ADDR;
unsigned int gpr10_boot = readl(&psrc->gpr10) & (1 << 28);
unsigned reg = gpr10_boot ? readl(&psrc->gpr9) : readl(&psrc->sbmr1);
+ unsigned int bmode = readl(&psrc->sbmr2);
+ /*
+ * Check for BMODE if serial downloader is enabled
+ * BOOT_MODE - see IMX6DQRM Table 8-1
+ */
+ if ((((bmode >> 24) & 0x03) == 0x01) || /* Serial Downloader */
+ (gpr10_boot && (reg == 1)))
+ return BOOT_DEVICE_UART;
/* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
switch ((reg & 0x000000FF) >> 4) {
/* EIM: See 8.5.1, Table 8-9 */
/* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
switch ((reg & 0x000000FF) >> 4) {
/* EIM: See 8.5.1, Table 8-9 */