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imx: fix USB boot mode detection for i.MX 6UL and 6ULL

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Add the reserved boot mode used in the bmode command for i.MX 6UL
and 6ULL as introduced in commit 3fd9579085 ("imx: mx6ull: fix USB
bmode for i.MX 6UL and 6ULL").

Also replace BMODE_UART with BMODE_RESERVED, which is more appropriate.
Commit 96aac843b6 ("imx: Use IMX6_BMODE_* macros instead of numericals")
added macros for boot modes, in the process the reserved boot mode got
named BMODE_UART. We use the reserved boot mode in the bmode command to
let the boot ROM enter serial downloader recovery mode. But this is only
a side effect, the actual boot mode is reserved...

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
This commit is contained in:
Stefan Agner 2017-08-15 17:49:42 -07:00 committed by Stefano Babic
parent 7a7bfec39e
commit 3bd1642d4d
2 changed files with 7 additions and 2 deletions
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7
arch/arm/include/asm/mach-imx/sys_proto.h
View File

@ -69,8 +69,13 @@ enum imx6_bmode_emi {
enum imx6_bmode {
IMX6_BMODE_EMI,
IMX6_BMODE_UART,
#if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
IMX6_BMODE_QSPI,
IMX6_BMODE_RESERVED,
#else
IMX6_BMODE_RESERVED,
IMX6_BMODE_SATA,
#endif
IMX6_BMODE_SERIAL_ROM,
IMX6_BMODE_SD,
IMX6_BMODE_ESD,

2
arch/arm/mach-imx/spl.c
View File

@ -42,7 +42,7 @@ u32 spl_boot_device(void)
break;
}
/* Reserved: Used to force Serial Downloader */
case IMX6_BMODE_UART:
case IMX6_BMODE_RESERVED:
return BOOT_DEVICE_UART;
/* SATA: See 8.5.4, Table 8-20 */
case IMX6_BMODE_SATA: