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| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2022-02-04 15:57:50 +0200 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2022-02-24 19:05:28 +0100 |
| commit | e58cd453d58b20c6a6f34d3591640aa19aa14d25 (patch) | |
| tree | a4fef5f5d79575a7a60b516482ee114c1dbc932e /target/linux/at91/patches-5.10/217-ARM-at91-sama7-introduce-sama7-SoC-family.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-5.10/217-ARM-at91-sama7-introduce-sama7-SoC-family.patch')
| -rw-r--r-- | target/linux/at91/patches-5.10/217-ARM-at91-sama7-introduce-sama7-SoC-family.patch | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/target/linux/at91/patches-5.10/217-ARM-at91-sama7-introduce-sama7-SoC-family.patch b/target/linux/at91/patches-5.10/217-ARM-at91-sama7-introduce-sama7-SoC-family.patch new file mode 100644 index 0000000000..de38988237 --- /dev/null +++ b/target/linux/at91/patches-5.10/217-ARM-at91-sama7-introduce-sama7-SoC-family.patch @@ -0,0 +1,71 @@ +From dea645bce478cc72a2bf2413ec873927d1471442 Mon Sep 17 00:00:00 2001 +From: Eugen Hristev <eugen.hristev@microchip.com> +Date: Thu, 15 Apr 2021 13:50:08 +0300 +Subject: [PATCH 217/247] ARM: at91: sama7: introduce sama7 SoC family + +Introduce new family of SoCs, sama7, and first SoC, sama7g5. + +Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> +[claudiu.beznea@microchip.com: keep only the sama7_dt] +Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> +Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> +Link: https://lore.kernel.org/r/20210415105010.569620-23-claudiu.beznea@microchip.com +--- + arch/arm/mach-at91/Makefile | 1 + + arch/arm/mach-at91/sama7.c | 32 ++++++++++++++++++++++++++++++++ + 2 files changed, 33 insertions(+) + create mode 100644 arch/arm/mach-at91/sama7.c + +diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile +index f565490f1b70..522b680b6446 100644 +--- a/arch/arm/mach-at91/Makefile ++++ b/arch/arm/mach-at91/Makefile +@@ -8,6 +8,7 @@ obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o + obj-$(CONFIG_SOC_AT91SAM9) += at91sam9.o + obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o + obj-$(CONFIG_SOC_SAMA5) += sama5.o ++obj-$(CONFIG_SOC_SAMA7) += sama7.o + obj-$(CONFIG_SOC_SAMV7) += samv7.o + + # Power Management +diff --git a/arch/arm/mach-at91/sama7.c b/arch/arm/mach-at91/sama7.c +new file mode 100644 +index 000000000000..19d7bcbc97f1 +--- /dev/null ++++ b/arch/arm/mach-at91/sama7.c +@@ -0,0 +1,32 @@ ++// SPDX-License-Identifier: GPL-2.0-or-later ++/* ++ * Setup code for SAMA7 ++ * ++ * Copyright (C) 2021 Microchip Technology, Inc. and its subsidiaries ++ * ++ */ ++ ++#include <linux/of.h> ++#include <linux/of_platform.h> ++ ++#include <asm/mach/arch.h> ++#include <asm/system_misc.h> ++ ++#include "generic.h" ++ ++static void __init sama7_dt_device_init(void) ++{ ++ of_platform_default_populate(NULL, NULL, NULL); ++} ++ ++static const char *const sama7_dt_board_compat[] __initconst = { ++ "microchip,sama7", ++ NULL ++}; ++ ++DT_MACHINE_START(sama7_dt, "Microchip SAMA7") ++ /* Maintainer: Microchip */ ++ .init_machine = sama7_dt_device_init, ++ .dt_compat = sama7_dt_board_compat, ++MACHINE_END ++ +-- +2.32.0 + |