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From: Varshini Rajendran <varshini.rajendran@microchip.com>
To: <nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
	<claudiu.beznea@tuxon.dev>, <varshini.rajendran@microchip.com>,
	<linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
CC: Claudiu Beznea <claudiu.beznea@microchip.com>
Subject: [PATCH v4 20/39] ARM: at91: add support in SoC driver for new sam9x7
Date: Fri, 23 Feb 2024 22:57:22 +0530
Message-ID: <20240223172722.672592-1-varshini.rajendran@microchip.com>
In-Reply-To: <20240223171342.669133-1-varshini.rajendran@microchip.com>
References: <20240223171342.669133-1-varshini.rajendran@microchip.com>
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Add support for SAM9X7 SoC in the SoC driver.

Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
Changes in v4:
- Sorted the entries alphabetically as per comment from Claudiu
- Updated EXID
Note: Did not remove the Reviewed-by tag since the changes were only
cosmetic and did not affect functionality
---
 drivers/soc/atmel/soc.c | 23 +++++++++++++++++++++++
 drivers/soc/atmel/soc.h |  9 +++++++++
 2 files changed, 32 insertions(+)

diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c
index cc9a3e107479..cae3452cbc60 100644
--- a/drivers/soc/atmel/soc.c
+++ b/drivers/soc/atmel/soc.c
@@ -101,6 +101,29 @@ static const struct at91_soc socs[] __initconst = {
 		 AT91_CIDR_VERSION_MASK, SAM9X60_D6K_EXID_MATCH,
 		 "sam9x60 8MiB SDRAM SiP", "sam9x60"),
 #endif
+#ifdef CONFIG_SOC_SAM9X7
+	AT91_SOC(SAM9X7_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+		 AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH,
+		 "sam9x75", "sam9x7"),
+	AT91_SOC(SAM9X7_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+		 AT91_CIDR_VERSION_MASK, SAM9X72_EXID_MATCH,
+		 "sam9x72", "sam9x7"),
+	AT91_SOC(SAM9X7_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+		 AT91_CIDR_VERSION_MASK, SAM9X70_EXID_MATCH,
+		 "sam9x70", "sam9x7"),
+	AT91_SOC(SAM9X7_CIDR_MATCH, SAM9X75_D1G_EXID_MATCH,
+		 AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH,
+		 "sam9x75 1Gb DDR3L SiP ", "sam9x7"),
+	AT91_SOC(SAM9X7_CIDR_MATCH, SAM9X75_D5M_EXID_MATCH,
+		 AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH,
+		 "sam9x75 512Mb DDR2 SiP", "sam9x7"),
+	AT91_SOC(SAM9X7_CIDR_MATCH, SAM9X75_D1M_EXID_MATCH,
+		 AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH,
+		 "sam9x75 128Mb DDR2 SiP", "sam9x7"),
+	AT91_SOC(SAM9X7_CIDR_MATCH, SAM9X75_D2G_EXID_MATCH,
+		 AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH,
+		 "sam9x75 2Gb DDR3L SiP", "sam9x7"),
+#endif
 #ifdef CONFIG_SOC_SAMA5
 	AT91_SOC(SAMA5D2_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
 		 AT91_CIDR_VERSION_MASK, SAMA5D21CU_EXID_MATCH,
diff --git a/drivers/soc/atmel/soc.h b/drivers/soc/atmel/soc.h
index 7a9f47ce85fb..fc4157c5f6e3 100644
--- a/drivers/soc/atmel/soc.h
+++ b/drivers/soc/atmel/soc.h
@@ -44,6 +44,7 @@ at91_soc_init(const struct at91_soc *socs);
 #define AT91SAM9X5_CIDR_MATCH		0x019a05a0
 #define AT91SAM9N12_CIDR_MATCH		0x019a07a0
 #define SAM9X60_CIDR_MATCH		0x019b35a0
+#define SAM9X7_CIDR_MATCH		0x09750020
 #define SAMA7G5_CIDR_MATCH		0x00162100
 
 #define AT91SAM9M11_EXID_MATCH		0x00000001
@@ -74,6 +75,14 @@ at91_soc_init(const struct at91_soc *socs);
 #define SAMA7G54_D2G_EXID_MATCH		0x00000020
 #define SAMA7G54_D4G_EXID_MATCH		0x00000028
 
+#define SAM9X70_EXID_MATCH		0x00000005
+#define SAM9X72_EXID_MATCH		0x00000004
+#define SAM9X75_D1G_EXID_MATCH		0x00000018
+#define SAM9X75_D2G_EXID_MATCH		0x00000020
+#define SAM9X75_D1M_EXID_MATCH		0x00000003
+#define SAM9X75_D5M_EXID_MATCH		0x00000010
+#define SAM9X75_EXID_MATCH		0x00000000
+
 #define AT91SAM9XE128_CIDR_MATCH	0x329973a0
 #define AT91SAM9XE256_CIDR_MATCH	0x329a93a0
 #define AT91SAM9XE512_CIDR_MATCH	0x329aa3a0
-- 
2.25.1