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authorPeng Fan <Peng.Fan@freescale.com>2015-03-14 17:21:24 +0800
committerPeng Fan <Peng.Fan@freescale.com>2015-04-29 14:52:33 +0800
commit532d5e69a1642bd8d1c1f928d3a35b414bbce81b (patch)
tree2eed368a791e133d0a7d94b9e01b7f2e850e0e52 /arch/arm/include
parent77ca54d246cf90af88afe4eb93e63823b1de1e4a (diff)
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MLK-10774-7 Auto check if boot from usb
If boot from usb, reset environment to default value. Auto apply mfgtools setting and boot mfgtools kernel. Signed-off-by: Frank Li <Frank.li@freescale.com> Signed-off-by: Nitin Garg <nitin.garg@freescale.com> Signed-off-by: Peng Fan <Peng.Fan@freescale.com> Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/arch-mx6/imx-regs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h
index f572c7b..20273e4 100644
--- a/arch/arm/include/asm/arch-mx6/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx6/imx-regs.h
@@ -1154,4 +1154,11 @@ extern void vadc_power_down(void);
#endif
#endif /* __ASSEMBLER__*/
+
+/*
+ * If ROM fail back to USB recover mode, USBPH0_PWD will be clear to use USB
+ * If boot from the other mode, USB0_PWD will keep reset value
+ */
+#define is_boot_from_usb(void) (!(readl(USB_PHY0_BASE_ADDR) & (1<<20)))
+
#endif /* __ASM_ARCH_MX6_IMX_REGS_H__ */