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140-drivers-soc-atmel-add-support-for-sama7g5.patch
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140-drivers-soc-atmel-add-support-for-sama7g5.patch
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From e20bb57fc51741677a6fcae04e564797fd18921b Mon Sep 17 00:00:00 2001
From: Claudiu Beznea <claudiu.beznea@microchip.com>
Date: Fri, 22 Jan 2021 14:21:37 +0200
Subject: [PATCH 140/247] drivers: soc: atmel: add support for sama7g5
Add support for SAMA7G5 SoCs.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/1611318097-8970-8-git-send-email-claudiu.beznea@microchip.com
---
drivers/soc/atmel/soc.c | 18 ++++++++++++++++++
drivers/soc/atmel/soc.h | 6 ++++++
2 files changed, 24 insertions(+)
diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c
index f9052f45cb3e..bc8e72fd431a 100644
--- a/drivers/soc/atmel/soc.c
+++ b/drivers/soc/atmel/soc.c
@@ -27,8 +27,10 @@
#define AT91_CHIPID_EXID 0x04
#define AT91_CIDR_VERSION(x, m) ((x) & (m))
#define AT91_CIDR_VERSION_MASK GENMASK(4, 0)
+#define AT91_CIDR_VERSION_MASK_SAMA7G5 GENMASK(3, 0)
#define AT91_CIDR_EXT BIT(31)
#define AT91_CIDR_MATCH_MASK GENMASK(30, 5)
+#define AT91_CIDR_MASK_SAMA7G5 GENMASK(27, 5)
static const struct at91_soc socs[] __initconst = {
#ifdef CONFIG_SOC_AT91RM9200
@@ -220,6 +222,20 @@ static const struct at91_soc socs[] __initconst = {
AT91_SOC(SAMV70Q19_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
AT91_CIDR_VERSION_MASK, SAMV70Q19_EXID_MATCH,
"samv70q19", "samv7"),
+#endif
+#ifdef CONFIG_SOC_SAMA7
+ AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+ AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G51_EXID_MATCH,
+ "sama7g51", "sama7g5"),
+ AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+ AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G52_EXID_MATCH,
+ "sama7g52", "sama7g5"),
+ AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+ AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G53_EXID_MATCH,
+ "sama7g53", "sama7g5"),
+ AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+ AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G54_EXID_MATCH,
+ "sama7g54", "sama7g5"),
#endif
{ /* sentinel */ },
};
@@ -258,6 +274,7 @@ static int __init at91_get_cidr_exid_from_chipid(u32 *cidr, u32 *exid)
void __iomem *regs;
static const struct of_device_id chipids[] = {
{ .compatible = "atmel,sama5d2-chipid" },
+ { .compatible = "microchip,sama7g5-chipid" },
{ },
};
@@ -345,6 +362,7 @@ static const struct of_device_id at91_soc_allowed_list[] __initconst = {
{ .compatible = "atmel,at91sam9", },
{ .compatible = "atmel,sama5", },
{ .compatible = "atmel,samv7", },
+ { .compatible = "microchip,sama7g5", },
{ }
};
diff --git a/drivers/soc/atmel/soc.h b/drivers/soc/atmel/soc.h
index 02198a4de22b..93c212533ff0 100644
--- a/drivers/soc/atmel/soc.h
+++ b/drivers/soc/atmel/soc.h
@@ -48,6 +48,7 @@ at91_soc_init(const struct at91_soc *socs);
#define AT91SAM9X5_CIDR_MATCH 0x019a05a0
#define AT91SAM9N12_CIDR_MATCH 0x019a07a0
#define SAM9X60_CIDR_MATCH 0x019b35a0
+#define SAMA7G5_CIDR_MATCH 0x00162100
#define AT91SAM9M11_EXID_MATCH 0x00000001
#define AT91SAM9M10_EXID_MATCH 0x00000002
@@ -69,6 +70,11 @@ at91_soc_init(const struct at91_soc *socs);
#define SAM9X60_D1G_EXID_MATCH 0x00000010
#define SAM9X60_D6K_EXID_MATCH 0x00000011
+#define SAMA7G51_EXID_MATCH 0x3
+#define SAMA7G52_EXID_MATCH 0x2
+#define SAMA7G53_EXID_MATCH 0x1
+#define SAMA7G54_EXID_MATCH 0x0
+
#define AT91SAM9XE128_CIDR_MATCH 0x329973a0
#define AT91SAM9XE256_CIDR_MATCH 0x329a93a0
#define AT91SAM9XE512_CIDR_MATCH 0x329aa3a0
--
2.32.0