From: Fabio Estevam <festevam@gmail.com>
To: shawnguo@kernel.org
Cc: Fabio Estevam <festevam@gmail.com>,
linux-arm-kernel@lists.infradead.org, Anson.Huang@nxp.com
Subject: [PATCH] ARM: imx: imx7ulp: Add a comment explaining the B2 silicon version
Date: Tue, 3 Nov 2020 19:04:54 -0300 [thread overview]
Message-ID: <20201103220454.11703-1-festevam@gmail.com> (raw)
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@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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next reply other threads:[~2020-11-03 22:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-03 22:04 Fabio Estevam [this message]
2020-11-10 1:56 ` [PATCH] ARM: imx: imx7ulp: Add a comment explaining the B2 silicon version Shawn Guo
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