[U-Boot] [PATCH 07/11] ARM: uniphier: do not run harmful code for USB boot mode of LD11 ES3
Masahiro Yamada
yamada.masahiro at socionext.com
Thu Oct 27 16:47:06 CEST 2016
The USB boot without the stand-by MPU is available on ES3 or later
of LD11 SoC, but the code in this if-conditional block must not be
run when booting from USB. Check if the boot device is USB, and
skip the code in the case.
Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---
arch/arm/mach-uniphier/clk/clk-ld11.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-uniphier/clk/clk-ld11.c b/arch/arm/mach-uniphier/clk/clk-ld11.c
index ca8737d..58069cb 100644
--- a/arch/arm/mach-uniphier/clk/clk-ld11.c
+++ b/arch/arm/mach-uniphier/clk/clk-ld11.c
@@ -5,18 +5,20 @@
*/
#include <common.h>
+#include <spl.h>
#include <linux/bitops.h>
#include <linux/io.h>
+#include "../boot-mode/boot-device.h"
#include "../init.h"
#include "../sc64-regs.h"
#include "../sg-regs.h"
void uniphier_ld11_clk_init(void)
{
- if (readl(SG_PINMON0) & BIT(27)) {
- /* if booted without stand-by MPU */
-
+ /* if booted from a device other than USB, without stand-by MPU */
+ if ((readl(SG_PINMON0) & BIT(27)) &&
+ spl_boot_device_raw() != BOOT_DEVICE_USB) {
writel(1, SG_ETPHYPSHUT);
writel(1, SG_ETPHYCNT);
--
1.9.1
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