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author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2022-02-04 15:57:50 +0200 |
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committer | Petr Štetiar <ynezz@true.cz> | 2022-02-24 19:05:28 +0100 |
commit | e58cd453d58b20c6a6f34d3591640aa19aa14d25 (patch) | |
tree | a4fef5f5d79575a7a60b516482ee114c1dbc932e /target/linux/at91/patches-5.10/140-drivers-soc-atmel-add-support-for-sama7g5.patch | |
parent | 3ed992a99630457f660761ce199e3d2a00f06168 (diff) | |
download | upstream-e58cd453d58b20c6a6f34d3591640aa19aa14d25.tar.gz upstream-e58cd453d58b20c6a6f34d3591640aa19aa14d25.tar.bz2 upstream-e58cd453d58b20c6a6f34d3591640aa19aa14d25.zip |
at91: add kernel support for sama7g5 soc
Add kernel support for SAMA7G5 by back-porting mainline kernel patches.
Among SAMA7G5 features could be remembered:
- ARM Cortex-A7
- double data rate multi-port dynamic RAM controller supporting DDR2,
DDR3, DDR3L, LPDDR2, LPDDR3 up to 533MHz
- peripherals for audio, video processing
- 1 gigabit + 1 megabit Ethernet controllers
- 6 CAN controllers
- trust zone support
- DVFS for CPU
- criptography IPs
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Diffstat (limited to 'target/linux/at91/patches-5.10/140-drivers-soc-atmel-add-support-for-sama7g5.patch')
-rw-r--r-- | target/linux/at91/patches-5.10/140-drivers-soc-atmel-add-support-for-sama7g5.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/target/linux/at91/patches-5.10/140-drivers-soc-atmel-add-support-for-sama7g5.patch b/target/linux/at91/patches-5.10/140-drivers-soc-atmel-add-support-for-sama7g5.patch new file mode 100644 index 0000000000..82d12b9ffb --- /dev/null +++ b/target/linux/at91/patches-5.10/140-drivers-soc-atmel-add-support-for-sama7g5.patch @@ -0,0 +1,94 @@ +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 + |