[PATCH] ARM: at91: add support in soc driver for new SAMA7G54 SiPs

From: Mihai Sain
Date: Mon Dec 05 2022 - 02:01:47 EST


Add detection of new SAMA7G54 System-In-Package (SIP) by the SoC driver:
SAMA7G54D1G, SAMA7G54D2G, SAMA7G54D4G.

Signed-off-by: Mihai Sain <mihai.sain@xxxxxxxxxxxxx>
---
drivers/soc/atmel/soc.c | 9 +++++++++
drivers/soc/atmel/soc.h | 3 +++
2 files changed, 12 insertions(+)

diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c
index dae8a2e0f745..cc9a3e107479 100644
--- a/drivers/soc/atmel/soc.c
+++ b/drivers/soc/atmel/soc.c
@@ -235,6 +235,15 @@ static const struct at91_soc socs[] __initconst = {
AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G54_EXID_MATCH,
"sama7g54", "sama7g5"),
+ AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+ AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G54_D1G_EXID_MATCH,
+ "SAMA7G54 1Gb DDR3L SiP", "sama7g5"),
+ AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+ AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G54_D2G_EXID_MATCH,
+ "SAMA7G54 2Gb DDR3L SiP", "sama7g5"),
+ AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+ AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G54_D4G_EXID_MATCH,
+ "SAMA7G54 4Gb DDR3L SiP", "sama7g5"),
#endif
{ /* sentinel */ },
};
diff --git a/drivers/soc/atmel/soc.h b/drivers/soc/atmel/soc.h
index 2ecaa75b00f0..7a9f47ce85fb 100644
--- a/drivers/soc/atmel/soc.h
+++ b/drivers/soc/atmel/soc.h
@@ -70,6 +70,9 @@ at91_soc_init(const struct at91_soc *socs);
#define SAMA7G52_EXID_MATCH 0x2
#define SAMA7G53_EXID_MATCH 0x1
#define SAMA7G54_EXID_MATCH 0x0
+#define SAMA7G54_D1G_EXID_MATCH 0x00000018
+#define SAMA7G54_D2G_EXID_MATCH 0x00000020
+#define SAMA7G54_D4G_EXID_MATCH 0x00000028

#define AT91SAM9XE128_CIDR_MATCH 0x329973a0
#define AT91SAM9XE256_CIDR_MATCH 0x329a93a0
--
2.38.1