[PATCH 12/13] ARM: at91: remove samv7 support
Arnd Bergmann
arnd at kernel.org
Tue Sep 8 08:28:02 PDT 2026
From: Arnd Bergmann <arnd at arndb.de>
The Atmel at91 line, now known as Microchip SAM contains both
SoCs using ARM926 and Cortex-A CPUs as well as a number of
microcontrollers. Only a single one of those MCUs currently
has Linux support, and has no known users.
The samv7 platform was deprecated in Linux-7.3LTS, which will
remain supported a while longer after it is gone from mainline.
Cc: Nicolas Ferre <nicolas.ferre at microchip.com>
Cc: Alexandre Belloni <alexandre.belloni at bootlin.com>
Cc: Claudiu Beznea <claudiu.beznea at tuxon.dev>
Signed-off-by: Arnd Bergmann <arnd at arndb.de>
---
arch/arm/Kconfig.debug | 10 ----------
arch/arm/mach-at91/Kconfig | 11 +----------
arch/arm/mach-at91/Makefile | 1 -
arch/arm/mach-at91/samv7.c | 17 -----------------
drivers/soc/atmel/soc.c | 36 ------------------------------------
5 files changed, 1 insertion(+), 74 deletions(-)
delete mode 100644 arch/arm/mach-at91/samv7.c
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 3d5f2e41eef1..b27e581a53d4 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -190,15 +190,6 @@ choice
Say Y here if you want kernel low-level debugging support
on the USART3 port of sama5d4.
- config DEBUG_AT91_SAMV7_USART1
- bool "Kernel low-level debugging via SAMV7 USART1"
- select DEBUG_AT91_UART
- depends on SOC_SAMV7
- help
- Say Y here if you want the debug print routines to direct
- their output to the USART1 port on SAMV7 based
- machines.
-
config DEBUG_AT91_SAMA7G5_FLEXCOM3
bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3"
select DEBUG_AT91_UART
@@ -1504,7 +1495,6 @@ config DEBUG_UART_PHYS
default 0x3e000000 if DEBUG_BCM_KONA_UART
default 0x3f201000 if DEBUG_BCM2836
default 0x40010000 if STM32MP1_DEBUG_UART
- default 0x40028000 if DEBUG_AT91_SAMV7_USART1
default 0x40090000 if DEBUG_LPC32XX
default 0x40100000 if DEBUG_PXA_UART1
default 0x42000000 if DEBUG_GEMINI
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index cb0e3ff8e0ca..3df1165d159b 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -5,7 +5,7 @@ config ARCH_MICROCHIP
menuconfig ARCH_AT91
bool "AT91/Microchip SoCs"
depends on (CPU_LITTLE_ENDIAN && (ARCH_MULTI_V4T || ARCH_MULTI_V5)) || \
- ARCH_MULTI_V7 || ARM_SINGLE_ARMV7M
+ ARCH_MULTI_V7
select ARM_CPU_SUSPEND if PM && ARCH_MULTI_V7
select COMMON_CLK_AT91
select GPIOLIB
@@ -14,15 +14,6 @@ menuconfig ARCH_AT91
select ARCH_MICROCHIP
if ARCH_AT91
-config SOC_SAMV7
- bool "SAM Cortex-M7 family (DEPRECATED)" if ARM_SINGLE_ARMV7M
- select COMMON_CLK_AT91
- select PINCTRL_AT91
- help
- Select this if you are using an SoC from Microchip's SAME7, SAMS7 or SAMV7
- families.
-
- This platform is scheduled for removal in early 2027
config SOC_SAMA5D2
bool "SAMA5D2 family"
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 7d8a7bc44e65..8c964e182284 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -10,7 +10,6 @@ obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o
obj-$(CONFIG_SOC_SAM9X7) += sam9x7.o
obj-$(CONFIG_SOC_SAMA5) += sama5.o sam_secure.o
obj-$(CONFIG_SOC_SAMA7) += sama7.o
-obj-$(CONFIG_SOC_SAMV7) += samv7.o
# Power Management
obj-$(CONFIG_ATMEL_PM) += pm.o pm_suspend.o
diff --git a/arch/arm/mach-at91/samv7.c b/arch/arm/mach-at91/samv7.c
deleted file mode 100644
index 22d00005ec09..000000000000
--- a/arch/arm/mach-at91/samv7.c
+++ /dev/null
@@ -1,17 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Setup code for SAMv7x
- *
- * Copyright (C) 2013 Atmel,
- * 2016 Andras Szemzo <szemzo.andras at gmail.com>
- */
-#include <asm/mach/arch.h>
-
-static const char *const samv7_dt_board_compat[] __initconst = {
- "atmel,samv7",
- NULL
-};
-
-DT_MACHINE_START(samv7_dt, "Atmel SAMV7")
- .dt_compat = samv7_dt_board_compat,
-MACHINE_END
diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c
index d89f9dcade7d..e276f86326ec 100644
--- a/drivers/soc/atmel/soc.c
+++ b/drivers/soc/atmel/soc.c
@@ -210,41 +210,6 @@ static const struct at91_soc socs[] __initconst = {
AT91_CIDR_VERSION_MASK, SAMA5D44_EXID_MATCH,
"sama5d44", "sama5d4"),
#endif
-#ifdef CONFIG_SOC_SAMV7
- AT91_SOC(SAME70Q21_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAME70Q21_EXID_MATCH,
- "same70q21", "same7"),
- AT91_SOC(SAME70Q20_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAME70Q20_EXID_MATCH,
- "same70q20", "same7"),
- AT91_SOC(SAME70Q19_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAME70Q19_EXID_MATCH,
- "same70q19", "same7"),
- AT91_SOC(SAMS70Q21_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAMS70Q21_EXID_MATCH,
- "sams70q21", "sams7"),
- AT91_SOC(SAMS70Q20_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAMS70Q20_EXID_MATCH,
- "sams70q20", "sams7"),
- AT91_SOC(SAMS70Q19_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAMS70Q19_EXID_MATCH,
- "sams70q19", "sams7"),
- AT91_SOC(SAMV71Q21_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAMV71Q21_EXID_MATCH,
- "samv71q21", "samv7"),
- AT91_SOC(SAMV71Q20_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAMV71Q20_EXID_MATCH,
- "samv71q20", "samv7"),
- AT91_SOC(SAMV71Q19_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAMV71Q19_EXID_MATCH,
- "samv71q19", "samv7"),
- AT91_SOC(SAMV70Q20_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
- AT91_CIDR_VERSION_MASK, SAMV70Q20_EXID_MATCH,
- "samv70q20", "samv7"),
- 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(SAMA7D65_CIDR_MATCH, AT91_CIDR_MASK_SAMA7G5,
AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7D65_EXID_MATCH,
@@ -396,7 +361,6 @@ static const struct of_device_id at91_soc_allowed_list[] __initconst = {
{ .compatible = "atmel,at91rm9200", },
{ .compatible = "atmel,at91sam9", },
{ .compatible = "atmel,sama5", },
- { .compatible = "atmel,samv7", },
{ .compatible = "microchip,sama7d65", },
{ .compatible = "microchip,sama7g5", },
{ }
--
2.53.0
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