[PATCH] ARM: imx: imx7ulp: Add a comment explaining the B2 silicon version
Fabio Estevam
festevam at gmail.com
Tue Nov 3 17:04:54 EST 2020
To help the users to understand the meaning of bits 31-28 of the
JTAG_ID_REG register, add a comment explaining the value that is
expected from a i.MX7ULP rev B2.
Signed-off-by: Fabio Estevam <festevam at gmail.com>
---
arch/arm/mach-imx/mach-imx7ulp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-imx/mach-imx7ulp.c b/arch/arm/mach-imx/mach-imx7ulp.c
index f6032ea7de8b..a3c8dadec1c5 100644
--- a/arch/arm/mach-imx/mach-imx7ulp.c
+++ b/arch/arm/mach-imx/mach-imx7ulp.c
@@ -37,6 +37,7 @@ static void __init imx7ulp_set_revision(void)
* bit[31:28] of JTAG_ID register defines revision as below from B0:
* 0001 B0
* 0010 B1
+ * 0011 B2
*/
switch (revision >> 28) {
case 1:
--
2.17.1
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