diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index d146ecdf72e7..96f153c5639b 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -725,14 +725,6 @@ source "arch/arm/mach-zx/Kconfig" source "arch/arm/mach-zynq/Kconfig" # ARMv7-M architecture -config ARCH_EFM32 - bool "Energy Micro efm32" - depends on ARM_SINGLE_ARMV7M - select GPIOLIB - help - Support for Energy Micro's (now Silicon Labs) efm32 Giant Gecko - processors. - config ARCH_LPC18XX bool "NXP LPC18xx/LPC43xx" depends on ARM_SINGLE_ARMV7M @@ -1550,7 +1542,7 @@ config ARM_MODULE_PLTS config FORCE_MAX_ZONEORDER int "Maximum zone order" default "12" if SOC_AM33XX - default "9" if SA1111 || ARCH_EFM32 + default "9" if SA1111 default "11" help The kernel memory allocator divides physically contiguous memory diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index c74e47541638..23264f7bff72 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -1448,20 +1448,6 @@ choice options; the platform specific options are deprecated and will be soon removed. - config DEBUG_LL_UART_EFM32 - bool "Kernel low-level debugging via efm32 UART" - depends on ARCH_EFM32 - help - Say Y here if you want the debug print routines to direct - their output to an UART or USART port on efm32 based - machines. Use the following addresses for DEBUG_UART_PHYS: - - 0x4000c000 | USART0 - 0x4000c400 | USART1 - 0x4000c800 | USART2 - 0x4000e000 | UART0 - 0x4000e400 | UART1 - config DEBUG_LL_UART_PL01X bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" help @@ -1579,7 +1565,6 @@ config DEBUG_LL_INCLUDE default "debug/meson.S" if DEBUG_MESON_UARTAO default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X default "debug/exynos.S" if DEBUG_EXYNOS_UART - default "debug/efm32.S" if DEBUG_LL_UART_EFM32 default "debug/icedcc.S" if DEBUG_ICEDCC default "debug/imx.S" if DEBUG_IMX1_UART || \ DEBUG_IMX25_UART || \ @@ -1674,7 +1659,6 @@ config DEBUG_UART_PHYS default 0x20201000 if DEBUG_BCM2835 default 0x3e000000 if DEBUG_BCM_KONA_UART default 0x3f201000 if DEBUG_BCM2836 - default 0x4000e400 if DEBUG_LL_UART_EFM32 default 0x40010000 if STM32MP1_DEBUG_UART default 0x40011000 if STM32F4_DEBUG_UART || STM32F7_DEBUG_UART || \ STM32H7_DEBUG_UART @@ -1759,7 +1743,6 @@ config DEBUG_UART_PHYS default 0xfffff200 if DEBUG_AT91_RM9200_DBGU depends on ARCH_EP93XX || \ DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ - DEBUG_LL_UART_EFM32 || \ DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ DEBUG_R7S9210_SCIF2 || DEBUG_R7S9210_SCIF4 || \ diff --git a/arch/arm/Makefile b/arch/arm/Makefile index ca9389fb3069..dd51416cdcd9 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -168,7 +168,6 @@ machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx machine-$(CONFIG_ARCH_DAVINCI) += davinci machine-$(CONFIG_ARCH_DIGICOLOR) += digicolor machine-$(CONFIG_ARCH_DOVE) += dove -machine-$(CONFIG_ARCH_EFM32) += efm32 machine-$(CONFIG_ARCH_EP93XX) += ep93xx machine-$(CONFIG_ARCH_EXYNOS) += exynos machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index a2c28f56e514..2c02cb4c71cb 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -177,8 +177,6 @@ dtb-$(CONFIG_ARCH_DAVINCI) += \ da850-lego-ev3.dtb dtb-$(CONFIG_ARCH_DIGICOLOR) += \ cx92755_equinox.dtb -dtb-$(CONFIG_ARCH_EFM32) += \ - efm32gg-dk3750.dtb dtb-$(CONFIG_ARCH_EXYNOS3) += \ exynos3250-artik5-eval.dtb \ exynos3250-monk.dtb \ diff --git a/arch/arm/boot/dts/efm32gg-dk3750.dts b/arch/arm/boot/dts/efm32gg-dk3750.dts deleted file mode 100644 index adfa559a488b..000000000000 --- a/arch/arm/boot/dts/efm32gg-dk3750.dts +++ /dev/null @@ -1,88 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Device tree for EFM32GG-DK3750 development board. - * - * Documentation available from - * http://www.silabs.com/Support%20Documents/TechnicalDocs/efm32gg-dk3750-ug.pdf - */ - -/dts-v1/; -#include "efm32gg.dtsi" - -/ { - model = "Energy Micro Giant Gecko Development Kit"; - compatible = "efm32,dk3750"; - - chosen { - bootargs = "console=ttyefm4,115200 init=/linuxrc ignore_loglevel ihash_entries=64 dhash_entries=64 earlyprintk uclinux.physaddr=0x8c400000 root=/dev/mtdblock0"; - }; - - memory@88000000 { - device_type = "memory"; - reg = <0x88000000 0x400000>; - }; - - soc { - adc@40002000 { - status = "ok"; - }; - - i2c@4000a000 { - energymicro,location = <3>; - status = "ok"; - - temp@48 { - compatible = "st,stds75"; - reg = <0x48>; - }; - - eeprom@50 { - compatible = "microchip,24c02", "atmel,24c02"; - reg = <0x50>; - pagesize = <16>; - }; - }; - - spi0: spi@4000c000 { /* USART0 */ - cs-gpios = <&gpio 68 1>; // E4 - energymicro,location = <1>; - status = "ok"; - - microsd@0 { - compatible = "mmc-spi-slot"; - spi-max-frequency = <100000>; - voltage-ranges = <3200 3400>; - broken-cd; - reg = <0>; - }; - }; - - spi1: spi@4000c400 { /* USART1 */ - cs-gpios = <&gpio 51 1>; // D3 - energymicro,location = <1>; - status = "ok"; - - ks8851@0 { - compatible = "ks8851"; - spi-max-frequency = <6000000>; - reg = <0>; - interrupt-parent = <&boardfpga>; - interrupts = <4>; - }; - }; - - uart4: uart@4000e400 { /* UART1 */ - energymicro,location = <2>; - status = "ok"; - }; - - boardfpga: boardfpga@80000000 { - compatible = "efm32board"; - reg = <0x80000000 0x400>; - irq-gpios = <&gpio 64 1>; - interrupt-controller; - #interrupt-cells = <1>; - status = "ok"; - }; - }; -}; diff --git a/arch/arm/boot/dts/efm32gg.dtsi b/arch/arm/boot/dts/efm32gg.dtsi deleted file mode 100644 index 8a58e49144cc..000000000000 --- a/arch/arm/boot/dts/efm32gg.dtsi +++ /dev/null @@ -1,177 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Device tree for Energy Micro EFM32 Giant Gecko SoC. - * - * Documentation available from - * http://www.silabs.com/Support%20Documents/TechnicalDocs/EFM32GG-RM.pdf - */ - -#include "armv7-m.dtsi" -#include "dt-bindings/clock/efm32-cmu.h" - -/ { - #address-cells = <1>; - #size-cells = <1>; - - aliases { - i2c0 = &i2c0; - i2c1 = &i2c1; - serial0 = &uart0; - serial1 = &uart1; - serial2 = &uart2; - serial3 = &uart3; - serial4 = &uart4; - spi0 = &spi0; - spi1 = &spi1; - spi2 = &spi2; - }; - - soc { - adc: adc@40002000 { - compatible = "energymicro,efm32-adc"; - reg = <0x40002000 0x400>; - interrupts = <7>; - clocks = <&cmu clk_HFPERCLKADC0>; - status = "disabled"; - }; - - gpio: gpio@40006000 { - compatible = "energymicro,efm32-gpio"; - reg = <0x40006000 0x1000>; - interrupts = <1 11>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <1>; - clocks = <&cmu clk_HFPERCLKGPIO>; - status = "ok"; - }; - - i2c0: i2c@4000a000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "energymicro,efm32-i2c"; - reg = <0x4000a000 0x400>; - interrupts = <9>; - clocks = <&cmu clk_HFPERCLKI2C0>; - clock-frequency = <100000>; - status = "disabled"; - }; - - i2c1: i2c@4000a400 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "energymicro,efm32-i2c"; - reg = <0x4000a400 0x400>; - interrupts = <10>; - clocks = <&cmu clk_HFPERCLKI2C1>; - clock-frequency = <100000>; - status = "disabled"; - }; - - spi0: spi@4000c000 { /* USART0 */ - #address-cells = <1>; - #size-cells = <0>; - compatible = "energymicro,efm32-spi"; - reg = <0x4000c000 0x400>; - interrupts = <3 4>; - clocks = <&cmu clk_HFPERCLKUSART0>; - status = "disabled"; - }; - - spi1: spi@4000c400 { /* USART1 */ - #address-cells = <1>; - #size-cells = <0>; - compatible = "energymicro,efm32-spi"; - reg = <0x4000c400 0x400>; - interrupts = <15 16>; - clocks = <&cmu clk_HFPERCLKUSART1>; - status = "disabled"; - }; - - spi2: spi@4000c800 { /* USART2 */ - #address-cells = <1>; - #size-cells = <0>; - compatible = "energymicro,efm32-spi"; - reg = <0x4000c800 0x400>; - interrupts = <18 19>; - clocks = <&cmu clk_HFPERCLKUSART2>; - status = "disabled"; - }; - - uart0: uart@4000c000 { /* USART0 */ - compatible = "energymicro,efm32-uart"; - reg = <0x4000c000 0x400>; - interrupts = <3 4>; - clocks = <&cmu clk_HFPERCLKUSART0>; - status = "disabled"; - }; - - uart1: uart@4000c400 { /* USART1 */ - compatible = "energymicro,efm32-uart"; - reg = <0x4000c400 0x400>; - interrupts = <15 16>; - clocks = <&cmu clk_HFPERCLKUSART1>; - status = "disabled"; - }; - - uart2: uart@4000c800 { /* USART2 */ - compatible = "energymicro,efm32-uart"; - reg = <0x4000c800 0x400>; - interrupts = <18 19>; - clocks = <&cmu clk_HFPERCLKUSART2>; - status = "disabled"; - }; - - uart3: uart@4000e000 { /* UART0 */ - compatible = "energymicro,efm32-uart"; - reg = <0x4000e000 0x400>; - interrupts = <20 21>; - clocks = <&cmu clk_HFPERCLKUART0>; - status = "disabled"; - }; - - uart4: uart@4000e400 { /* UART1 */ - compatible = "energymicro,efm32-uart"; - reg = <0x4000e400 0x400>; - interrupts = <22 23>; - clocks = <&cmu clk_HFPERCLKUART1>; - status = "disabled"; - }; - - timer0: timer@40010000 { - compatible = "energymicro,efm32-timer"; - reg = <0x40010000 0x400>; - interrupts = <2>; - clocks = <&cmu clk_HFPERCLKTIMER0>; - }; - - timer1: timer@40010400 { - compatible = "energymicro,efm32-timer"; - reg = <0x40010400 0x400>; - interrupts = <12>; - clocks = <&cmu clk_HFPERCLKTIMER1>; - }; - - timer2: timer@40010800 { - compatible = "energymicro,efm32-timer"; - reg = <0x40010800 0x400>; - interrupts = <13>; - clocks = <&cmu clk_HFPERCLKTIMER2>; - }; - - timer3: timer@40010c00 { - compatible = "energymicro,efm32-timer"; - reg = <0x40010c00 0x400>; - interrupts = <14>; - clocks = <&cmu clk_HFPERCLKTIMER3>; - }; - - cmu: cmu@400c8000 { - compatible = "efm32gg,cmu"; - reg = <0x400c8000 0x400>; - interrupts = <32>; - #clock-cells = <1>; - }; - }; -}; diff --git a/arch/arm/configs/efm32_defconfig b/arch/arm/configs/efm32_defconfig deleted file mode 100644 index 46213f0530c4..000000000000 --- a/arch/arm/configs/efm32_defconfig +++ /dev/null @@ -1,98 +0,0 @@ -CONFIG_HIGH_RES_TIMERS=y -CONFIG_LOG_BUF_SHIFT=12 -CONFIG_CC_OPTIMIZE_FOR_SIZE=y -# CONFIG_UID16 is not set -# CONFIG_BASE_FULL is not set -# CONFIG_FUTEX is not set -# CONFIG_EPOLL is not set -# CONFIG_SIGNALFD is not set -# CONFIG_EVENTFD is not set -# CONFIG_AIO is not set -CONFIG_EMBEDDED=y -# CONFIG_VM_EVENT_COUNTERS is not set -# CONFIG_SLUB_DEBUG is not set -# CONFIG_BLK_DEV_BSG is not set -# CONFIG_MMU is not set -CONFIG_ARM_SINGLE_ARMV7M=y -CONFIG_ARCH_EFM32=y -CONFIG_SET_MEM_PARAM=y -CONFIG_DRAM_BASE=0x88000000 -CONFIG_DRAM_SIZE=0x00400000 -CONFIG_FLASH_MEM_BASE=0x8c000000 -CONFIG_FLASH_SIZE=0x01000000 -CONFIG_PREEMPT=y -CONFIG_ZBOOT_ROM_TEXT=0x0 -CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_XIP_KERNEL=y -CONFIG_XIP_PHYS_ADDR=0x8c000000 -CONFIG_BINFMT_FLAT=y -CONFIG_BINFMT_SHARED_FLAT=y -# CONFIG_COREDUMP is not set -CONFIG_NET=y -CONFIG_PACKET=y -CONFIG_UNIX=y -CONFIG_INET=y -# CONFIG_INET_XFRM_MODE_TRANSPORT is not set -# CONFIG_INET_XFRM_MODE_TUNNEL is not set -# CONFIG_INET_XFRM_MODE_BEET is not set -# CONFIG_INET_DIAG is not set -# CONFIG_IPV6 is not set -# CONFIG_WIRELESS is not set -CONFIG_DEVTMPFS=y -CONFIG_DEVTMPFS_MOUNT=y -# CONFIG_FW_LOADER is not set -CONFIG_MTD=y -CONFIG_MTD_BLOCK_RO=y -CONFIG_MTD_ROM=y -CONFIG_MTD_UCLINUX=y -# CONFIG_BLK_DEV is not set -CONFIG_NETDEVICES=y -# CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set -# CONFIG_NET_VENDOR_BROADCOM is not set -# CONFIG_NET_VENDOR_CIRRUS is not set -# CONFIG_NET_VENDOR_FARADAY is not set -# CONFIG_NET_VENDOR_INTEL is not set -# CONFIG_NET_VENDOR_MARVELL is not set -CONFIG_KS8851=y -# CONFIG_NET_VENDOR_MICROCHIP is not set -# CONFIG_NET_VENDOR_NATSEMI is not set -# CONFIG_NET_VENDOR_SEEQ is not set -# CONFIG_NET_VENDOR_SMSC is not set -# CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_VIA is not set -# CONFIG_NET_VENDOR_WIZNET is not set -# CONFIG_WLAN is not set -# CONFIG_INPUT is not set -# CONFIG_SERIO is not set -# CONFIG_VT is not set -# CONFIG_UNIX98_PTYS is not set -# CONFIG_LEGACY_PTYS is not set -CONFIG_SERIAL_NONSTANDARD=y -# CONFIG_DEVKMEM is not set -CONFIG_SERIAL_EFM32_UART=y -CONFIG_SERIAL_EFM32_UART_CONSOLE=y -# CONFIG_HW_RANDOM is not set -CONFIG_I2C=y -# CONFIG_I2C_COMPAT is not set -CONFIG_I2C_EFM32=y -CONFIG_SPI=y -CONFIG_SPI_EFM32=y -CONFIG_GPIO_SYSFS=y -# CONFIG_USB_SUPPORT is not set -CONFIG_MMC=y -CONFIG_MMC_SPI=y -CONFIG_EXT2_FS=y -# CONFIG_FILE_LOCKING is not set -# CONFIG_DNOTIFY is not set -# CONFIG_INOTIFY_USER is not set -CONFIG_ROMFS_FS=y -CONFIG_ROMFS_BACKED_BY_MTD=y -# CONFIG_NETWORK_FILESYSTEMS is not set -CONFIG_PRINTK_TIME=y -CONFIG_DEBUG_INFO=y -# CONFIG_ENABLE_MUST_CHECK is not set -CONFIG_MAGIC_SYSRQ=y -# CONFIG_SCHED_DEBUG is not set -# CONFIG_DEBUG_BUGVERBOSE is not set -# CONFIG_FTRACE is not set diff --git a/arch/arm/include/debug/efm32.S b/arch/arm/include/debug/efm32.S deleted file mode 100644 index b0083d6e31e8..000000000000 --- a/arch/arm/include/debug/efm32.S +++ /dev/null @@ -1,45 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2013 Pengutronix - * Uwe Kleine-Koenig - */ - -#define UARTn_CMD 0x000c -#define UARTn_CMD_TXEN 0x0004 - -#define UARTn_STATUS 0x0010 -#define UARTn_STATUS_TXC 0x0020 -#define UARTn_STATUS_TXBL 0x0040 - -#define UARTn_TXDATA 0x0034 - - .macro addruart, rx, tmp, tmp2 - ldr \rx, =(CONFIG_DEBUG_UART_PHYS) - - /* - * enable TX. The driver might disable it to save energy. We - * don't care about disabling at the end as during debug power - * consumption isn't that important. - */ - ldr \tmp, =(UARTn_CMD_TXEN) - str \tmp, [\rx, #UARTn_CMD] - .endm - - .macro senduart,rd,rx - strb \rd, [\rx, #UARTn_TXDATA] - .endm - - .macro waituartcts,rd,rx - .endm - - .macro waituarttxrdy,rd,rx -1001: ldr \rd, [\rx, #UARTn_STATUS] - tst \rd, #UARTn_STATUS_TXBL - beq 1001b - .endm - - .macro busyuart,rd,rx -1001: ldr \rd, [\rx, UARTn_STATUS] - tst \rd, #UARTn_STATUS_TXC - bne 1001b - .endm diff --git a/arch/arm/mach-efm32/Makefile b/arch/arm/mach-efm32/Makefile deleted file mode 100644 index dede3fa55a76..000000000000 --- a/arch/arm/mach-efm32/Makefile +++ /dev/null @@ -1,2 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -obj-y += dtmachine.o diff --git a/arch/arm/mach-efm32/Makefile.boot b/arch/arm/mach-efm32/Makefile.boot deleted file mode 100644 index cec195d4fcba..000000000000 --- a/arch/arm/mach-efm32/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# Empty file waiting for deletion once Makefile.boot isn't needed any more. -# Patch waits for application at -# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 . diff --git a/arch/arm/mach-efm32/dtmachine.c b/arch/arm/mach-efm32/dtmachine.c deleted file mode 100644 index e9364b843641..000000000000 --- a/arch/arm/mach-efm32/dtmachine.c +++ /dev/null @@ -1,16 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include - -#include - -#include - -static const char *const efm32gg_compat[] __initconst = { - "efm32,dk3750", - NULL -}; - -DT_MACHINE_START(EFM32DT, "EFM32 (Device Tree Support)") - .dt_compat = efm32gg_compat, - .restart = armv7m_restart, -MACHINE_END diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 02692fbe2db5..35f43d0aa056 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -638,7 +638,6 @@ config CPU_V7M_NUM_IRQ int "Number of external interrupts connected to the NVIC" depends on CPU_V7M default 90 if ARCH_STM32 - default 38 if ARCH_EFM32 default 112 if SOC_VF610 default 240 help