Merge tag 'm68knommu-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

874b43b9 · Linus Torvalds <[email protected]> · 2026-08-28 08:44:36 -07:00

Pull m68knommu updates from Greg Ungerer:
 "This includes a couple more new defconfigs to improve test build
  coverage, changes to use the more correct linux/gpio/legacy.h and
  platform setup for the reset device of the ColdFire 5441x SoC
  hardware.

   - new defconfigs for 2 more ColdFire boards

   - change to use linux/gpio/legacy.h

   - add platform setup for reset device of the 5441x SoC boards"

* tag 'm68knommu-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: coldfire/5441x: register mcf-rcm-reset platform device
  m68k/coldfire: replace linux/gpio.h inclusions
  m68k: defconfig: add config for M5282EVB board
  m68k: defconfig: add config for M52358EVB board

Commit: 874b43b9f3c704f24f0bdcc347b2e596ad3228ec
Parents: 1b78070a · de0dab22

Merge commit. Changes below are compared with the first parent: 1b78070a.

Changes

5 files changed · +130 −2

File	Status	Add	Del	Content
arch/m68k/coldfire/device.c	modified	+1	−1	View file
arch/m68k/coldfire/m5441x.c	modified	+25	−0	View file
arch/m68k/configs/m5235evb_defconfig	added	+52	−0	View file
arch/m68k/configs/m5282evb_defconfig	added	+51	−0	View file
arch/m68k/include/asm/mcfgpio.h	modified	+1	−1	View file

arch/m68k/coldfire/device.c

View file

diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c
index 1420bae..9a0258a 100644
--- a/arch/m68k/coldfire/device.c
+++ b/arch/m68k/coldfire/device.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/spi/spi.h>
-#include <linux/gpio.h>
+#include <linux/gpio/legacy.h>
 #include <linux/fec.h>
 #include <linux/dmaengine.h>
 #include <asm/traps.h>

arch/m68k/coldfire/m5441x.c

View file

diff --git a/arch/m68k/coldfire/m5441x.c b/arch/m68k/coldfire/m5441x.c
index 5b5e09e..ad3d002 100644
--- a/arch/m68k/coldfire/m5441x.c
+++ b/arch/m68k/coldfire/m5441x.c
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/clk.h>
+#include <linux/platform_device.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
@@ -242,6 +243,30 @@ static void __init m5441x_fec_init(void)
 	mcf_write8(0x03, MCFGPIO_PAR_FEC);
 }
 
+/*
+ * Reset Controller Module status register. Exposed to userspace as
+ * /sys/devices/platform/mcf-rcm-reset/power_on_reason by the mcf-rcm-reset
+ * driver (drivers/power/reset/mcf-rcm-reset.c).
+ */
+static struct resource m5441x_rcm_resource[] = {
+	{
+		.start	= MCF_RSR,
+		.end	= MCF_RSR,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static int __init m5441x_rcm_init(void)
+{
+	struct platform_device *pdev;
+
+	pdev = platform_device_register_simple("mcf-rcm-reset", -1,
+					       m5441x_rcm_resource,
+					       ARRAY_SIZE(m5441x_rcm_resource));
+	return PTR_ERR_OR_ZERO(pdev);
+}
+arch_initcall(m5441x_rcm_init);
+
 void __init config_BSP(char *commandp, int size)
 {
 	m5441x_clk_init();

arch/m68k/configs/m5235evb_defconfig

View file

diff --git a/arch/m68k/configs/m5235evb_defconfig b/arch/m68k/configs/m5235evb_defconfig
new file mode 100644
index 0000000..fcac4cc
--- /dev/null
+++ b/arch/m68k/configs/m5235evb_defconfig
@@ -0,0 +1,52 @@
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_EXPERT=y
+# CONFIG_FUTEX is not set
+# CONFIG_EPOLL is not set
+# CONFIG_SIGNALFD is not set
+# CONFIG_TIMERFD is not set
+# CONFIG_EVENTFD is not set
+# CONFIG_AIO is not set
+# CONFIG_KALLSYMS is not set
+# CONFIG_MMU is not set
+CONFIG_M523x=y
+CONFIG_M5235EVB=y
+CONFIG_RAMBASE=0x00000000
+CONFIG_RAMSIZE=0x01000000
+CONFIG_VECTORBASE=0x00000000
+CONFIG_IPSBAR=0x40000000
+CONFIG_KERNELBASE=0x00020000
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_BINFMT_FLAT=y
+# CONFIG_VM_EVENT_COUNTERS is not set
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+# CONFIG_INET_DIAG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_FW_LOADER is not set
+CONFIG_MTD=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_RAM=y
+CONFIG_MTD_UCLINUX=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_NETDEVICES=y
+CONFIG_FEC=y
+# CONFIG_INPUT is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+# CONFIG_UNIX98_PTYS is not set
+CONFIG_SERIAL_MCF=y
+CONFIG_SERIAL_MCF_CONSOLE=y
+# CONFIG_HWMON is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_EXT2_FS=y
+# CONFIG_FILE_LOCKING is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_MTD=y
+# CONFIG_NETWORK_FILESYSTEMS is not set
+# CONFIG_SLUB_DEBUG is not set
+CONFIG_BOOTPARAM=y
+CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0"

arch/m68k/configs/m5282evb_defconfig

View file

diff --git a/arch/m68k/configs/m5282evb_defconfig b/arch/m68k/configs/m5282evb_defconfig
new file mode 100644
index 0000000..85040dc
--- /dev/null
+++ b/arch/m68k/configs/m5282evb_defconfig
@@ -0,0 +1,51 @@
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_EXPERT=y
+# CONFIG_FUTEX is not set
+# CONFIG_EPOLL is not set
+# CONFIG_SIGNALFD is not set
+# CONFIG_TIMERFD is not set
+# CONFIG_EVENTFD is not set
+# CONFIG_AIO is not set
+# CONFIG_KALLSYMS is not set
+# CONFIG_MMU is not set
+CONFIG_M528x=y
+CONFIG_RAMBASE=0x00000000
+CONFIG_RAMSIZE=0x00800000
+CONFIG_VECTORBASE=0x00000000
+CONFIG_IPSBAR=0x40000000
+CONFIG_KERNELBASE=0x00020000
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_BINFMT_FLAT=y
+# CONFIG_VM_EVENT_COUNTERS is not set
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+# CONFIG_INET_DIAG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_FW_LOADER is not set
+CONFIG_MTD=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_RAM=y
+CONFIG_MTD_UCLINUX=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_NETDEVICES=y
+CONFIG_FEC=y
+# CONFIG_INPUT is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+# CONFIG_UNIX98_PTYS is not set
+CONFIG_SERIAL_MCF=y
+CONFIG_SERIAL_MCF_CONSOLE=y
+# CONFIG_HWMON is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_EXT2_FS=y
+# CONFIG_FILE_LOCKING is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_MTD=y
+# CONFIG_NETWORK_FILESYSTEMS is not set
+# CONFIG_SLUB_DEBUG is not set
+CONFIG_BOOTPARAM=y
+CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0"

arch/m68k/include/asm/mcfgpio.h

View file

diff --git a/arch/m68k/include/asm/mcfgpio.h b/arch/m68k/include/asm/mcfgpio.h
index 7103cfa..29726aa 100644
--- a/arch/m68k/include/asm/mcfgpio.h
+++ b/arch/m68k/include/asm/mcfgpio.h
@@ -16,7 +16,7 @@ int __mcfgpio_request(unsigned gpio);
 void __mcfgpio_free(unsigned gpio);
 
 #ifdef CONFIG_GPIOLIB
-#include <linux/gpio.h>
+#include <linux/gpio/legacy.h>
 #else
 
 /* our alternate 'gpiolib' functions */