diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-11-10 18:19:46 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-11-10 18:19:46 +0100 |
| commit | 656d88c3b654c0ccc0ff63aa75101c6c9f0a5300 (patch) | |
| tree | 93fc25e93c9a444058baceeeeda69904c5889e01 | |
| parent | Merge tag 'net-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netd... (diff) | |
| parent | MIPS: AR7: remove platform (diff) | |
| download | linux-656d88c3b654c0ccc0ff63aa75101c6c9f0a5300.tar.xz linux-656d88c3b654c0ccc0ff63aa75101c6c9f0a5300.zip | |
Merge tag 'mips_6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- removed AR7 platform support
- cleanups and fixes
* tag 'mips_6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: AR7: remove platform
watchdog: ar7_wdt: remove driver to prepare for platform removal
vlynq: remove bus driver
mtd: parsers: ar7: remove support
serial: 8250: remove AR7 support
arch: mips: remove ReiserFS from defconfig
MIPS: lantiq: Remove unnecessary include of <linux/of_irq.h>
MIPS: lantiq: Fix pcibios_plat_dev_init() "no previous prototype" warning
MIPS: KVM: Fix a build warning about variable set but not used
MIPS: Remove dead code in relocate_new_kernel
mips: dts: ralink: mt7621: rename to GnuBee GB-PC1 and GnuBee GB-PC2
mips: dts: ralink: mt7621: define each reset as an item
mips: dts: ingenic: Remove unneeded probe-type properties
MIPS: loongson32: Remove dma.h and nand.h
52 files changed, 5 insertions, 4033 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 350d00657f6b..97f51d5ec1cf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -23198,13 +23198,6 @@ W: https://linuxtv.org T: git git://linuxtv.org/media_tree.git F: drivers/media/test-drivers/vivid/* -VLYNQ BUS -M: Florian Fainelli <f.fainelli@gmail.com> -L: openwrt-devel@lists.openwrt.org (subscribers-only) -S: Maintained -F: drivers/vlynq/vlynq.c -F: include/linux/vlynq.h - VM SOCKETS (AF_VSOCK) M: Stefano Garzarella <sgarzare@redhat.com> L: virtualization@lists.linux.dev diff --git a/arch/arm/configs/pxa_defconfig b/arch/arm/configs/pxa_defconfig index 23c131b0854b..9e81b1849e4c 100644 --- a/arch/arm/configs/pxa_defconfig +++ b/arch/arm/configs/pxa_defconfig @@ -100,7 +100,6 @@ CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_CONNECTOR=y CONFIG_MTD=y -CONFIG_MTD_AR7_PARTS=m CONFIG_MTD_CMDLINE_PARTS=m CONFIG_MTD_OF_PARTS=m CONFIG_MTD_AFS_PARTS=m diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms index caad195ba5c1..a2311c4bce6a 100644 --- a/arch/mips/Kbuild.platforms +++ b/arch/mips/Kbuild.platforms @@ -2,7 +2,6 @@ # All platforms listed in alphabetic order platform-$(CONFIG_MIPS_ALCHEMY) += alchemy/ -platform-$(CONFIG_AR7) += ar7/ platform-$(CONFIG_ATH25) += ath25/ platform-$(CONFIG_ATH79) += ath79/ platform-$(CONFIG_BCM47XX) += bcm47xx/ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index bc8421859006..76db82542519 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -202,28 +202,6 @@ config MIPS_ALCHEMY select SYS_SUPPORTS_ZBOOT select COMMON_CLK -config AR7 - bool "Texas Instruments AR7" - select BOOT_ELF32 - select COMMON_CLK - select DMA_NONCOHERENT - select CEVT_R4K - select CSRC_R4K - select IRQ_MIPS_CPU - select NO_EXCEPT_FILL - select SWAP_IO_SPACE - select SYS_HAS_CPU_MIPS32_R1 - select SYS_HAS_EARLY_PRINTK - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_LITTLE_ENDIAN - select SYS_SUPPORTS_MIPS16 - select SYS_SUPPORTS_ZBOOT_UART16550 - select GPIOLIB - select VLYNQ - help - Support for the Texas Instruments AR7 System-on-a-Chip - family: TNETD7100, 7200 and 7300. - config ATH25 bool "Atheros AR231x/AR531x SoC support" select CEVT_R4K diff --git a/arch/mips/ar7/Makefile b/arch/mips/ar7/Makefile deleted file mode 100644 index cd51c6c6e686..000000000000 --- a/arch/mips/ar7/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 - -obj-y := \ - prom.o \ - setup.o \ - memory.o \ - irq.o \ - time.o \ - platform.o \ - gpio.o \ - clock.o diff --git a/arch/mips/ar7/Platform b/arch/mips/ar7/Platform deleted file mode 100644 index a9257cc01c3c..000000000000 --- a/arch/mips/ar7/Platform +++ /dev/null @@ -1,5 +0,0 @@ -# -# Texas Instruments AR7 -# -cflags-$(CONFIG_AR7) += -I$(srctree)/arch/mips/include/asm/mach-ar7 -load-$(CONFIG_AR7) += 0xffffffff94100000 diff --git a/arch/mips/ar7/clock.c b/arch/mips/ar7/clock.c deleted file mode 100644 index c717acbc5506..000000000000 --- a/arch/mips/ar7/clock.c +++ /dev/null @@ -1,439 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2007 Eugene Konev <ejka@openwrt.org> - * Copyright (C) 2009 Florian Fainelli <florian@openwrt.org> - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/export.h> -#include <linux/delay.h> -#include <linux/gcd.h> -#include <linux/io.h> -#include <linux/err.h> -#include <linux/clkdev.h> -#include <linux/clk.h> -#include <linux/clk-provider.h> - -#include <asm/addrspace.h> -#include <asm/mach-ar7/ar7.h> - -#define BOOT_PLL_SOURCE_MASK 0x3 -#define CPU_PLL_SOURCE_SHIFT 16 -#define BUS_PLL_SOURCE_SHIFT 14 -#define USB_PLL_SOURCE_SHIFT 18 -#define DSP_PLL_SOURCE_SHIFT 22 -#define BOOT_PLL_SOURCE_AFE 0 -#define BOOT_PLL_SOURCE_BUS 0 -#define BOOT_PLL_SOURCE_REF 1 -#define BOOT_PLL_SOURCE_XTAL 2 -#define BOOT_PLL_SOURCE_CPU 3 -#define BOOT_PLL_BYPASS 0x00000020 -#define BOOT_PLL_ASYNC_MODE 0x02000000 -#define BOOT_PLL_2TO1_MODE 0x00008000 - -#define TNETD7200_CLOCK_ID_CPU 0 -#define TNETD7200_CLOCK_ID_DSP 1 -#define TNETD7200_CLOCK_ID_USB 2 - -#define TNETD7200_DEF_CPU_CLK 211000000 -#define TNETD7200_DEF_DSP_CLK 125000000 -#define TNETD7200_DEF_USB_CLK 48000000 - -struct tnetd7300_clock { - u32 ctrl; -#define PREDIV_MASK 0x001f0000 -#define PREDIV_SHIFT 16 -#define POSTDIV_MASK 0x0000001f - u32 unused1[3]; - u32 pll; -#define MUL_MASK 0x0000f000 -#define MUL_SHIFT 12 -#define PLL_MODE_MASK 0x00000001 -#define PLL_NDIV 0x00000800 -#define PLL_DIV 0x00000002 -#define PLL_STATUS 0x00000001 - u32 unused2[3]; -}; - -struct tnetd7300_clocks { - struct tnetd7300_clock bus; - struct tnetd7300_clock cpu; - struct tnetd7300_clock usb; - struct tnetd7300_clock dsp; -}; - -struct tnetd7200_clock { - u32 ctrl; - u32 unused1[3]; -#define DIVISOR_ENABLE_MASK 0x00008000 - u32 mul; - u32 prediv; - u32 postdiv; - u32 postdiv2; - u32 unused2[6]; - u32 cmd; - u32 status; - u32 cmden; - u32 padding[15]; -}; - -struct tnetd7200_clocks { - struct tnetd7200_clock cpu; - struct tnetd7200_clock dsp; - struct tnetd7200_clock usb; -}; - -struct clk_rate { - u32 rate; -}; -static struct clk_rate bus_clk = { - .rate = 125000000, -}; - -static struct clk_rate cpu_clk = { - .rate = 150000000, -}; - -static void approximate(int base, int target, int *prediv, - int *postdiv, int *mul) -{ - int i, j, k, freq, res = target; - for (i = 1; i <= 16; i++) - for (j = 1; j <= 32; j++) - for (k = 1; k <= 32; k++) { - freq = abs(base / j * i / k - target); - if (freq < res) { - res = freq; - *mul = i; - *prediv = j; - *postdiv = k; - } - } -} - -static void calculate(int base, int target, int *prediv, int *postdiv, - int *mul) -{ - int tmp_gcd, tmp_base, tmp_freq; - - for (*prediv = 1; *prediv <= 32; (*prediv)++) { - tmp_base = base / *prediv; - tmp_gcd = gcd(target, tmp_base); - *mul = target / tmp_gcd; - *postdiv = tmp_base / tmp_gcd; - if ((*mul < 1) || (*mul >= 16)) - continue; - if ((*postdiv > 0) & (*postdiv <= 32)) - break; - } - - if (base / *prediv * *mul / *postdiv != target) { - approximate(base, target, prediv, postdiv, mul); - tmp_freq = base / *prediv * *mul / *postdiv; - printk(KERN_WARNING - "Adjusted requested frequency %d to %d\n", - target, tmp_freq); - } - - printk(KERN_DEBUG "Clocks: prediv: %d, postdiv: %d, mul: %d\n", - *prediv, *postdiv, *mul); -} - -static int tnetd7300_dsp_clock(void) -{ - u32 didr1, didr2; - u8 rev = ar7_chip_rev(); - didr1 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x18)); - didr2 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x1c)); - if (didr2 & (1 << 23)) - return 0; - if ((rev >= 0x23) && (rev != 0x57)) - return 250000000; - if ((((didr2 & 0x1fff) << 10) | ((didr1 & 0xffc00000) >> 22)) - > 4208000) - return 250000000; - return 0; -} - -static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock, - u32 *bootcr, u32 bus_clock) -{ - int product; - int base_clock = AR7_REF_CLOCK; - u32 ctrl = readl(&clock->ctrl); - u32 pll = readl(&clock->pll); - int prediv = ((ctrl & PREDIV_MASK) >> PREDIV_SHIFT) + 1; - int postdiv = (ctrl & POSTDIV_MASK) + 1; - int divisor = prediv * postdiv; - int mul = ((pll & MUL_MASK) >> MUL_SHIFT) + 1; - - switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) { - case BOOT_PLL_SOURCE_BUS: - base_clock = bus_clock; - break; - case BOOT_PLL_SOURCE_REF: - base_clock = AR7_REF_CLOCK; - break; - case BOOT_PLL_SOURCE_XTAL: - base_clock = AR7_XTAL_CLOCK; - break; - case BOOT_PLL_SOURCE_CPU: - base_clock = cpu_clk.rate; - break; - } - - if (*bootcr & BOOT_PLL_BYPASS) - return base_clock / divisor; - - if ((pll & PLL_MODE_MASK) == 0) - return (base_clock >> (mul / 16 + 1)) / divisor; - - if ((pll & (PLL_NDIV | PLL_DIV)) == (PLL_NDIV | PLL_DIV)) { - product = (mul & 1) ? - (base_clock * mul) >> 1 : - (base_clock * (mul - 1)) >> 2; - return product / divisor; - } - - if (mul == 16) - return base_clock / divisor; - - return base_clock * mul / divisor; -} - -static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock, - u32 *bootcr, u32 frequency) -{ - int prediv, postdiv, mul; - int base_clock = bus_clk.rate; - - switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) { - case BOOT_PLL_SOURCE_BUS: - base_clock = bus_clk.rate; - break; - case BOOT_PLL_SOURCE_REF: - base_clock = AR7_REF_CLOCK; - break; - case BOOT_PLL_SOURCE_XTAL: - base_clock = AR7_XTAL_CLOCK; - break; - case BOOT_PLL_SOURCE_CPU: - base_clock = cpu_clk.rate; - break; - } - - calculate(base_clock, frequency, &prediv, &postdiv, &mul); - - writel(((prediv - 1) << PREDIV_SHIFT) | (postdiv - 1), &clock->ctrl); - mdelay(1); - writel(4, &clock->pll); - while (readl(&clock->pll) & PLL_STATUS) - ; - writel(((mul - 1) << MUL_SHIFT) | (0xff << 3) | 0x0e, &clock->pll); - mdelay(75); -} - -static void __init tnetd7300_init_clocks(void) -{ - u32 *bootcr = (u32 *)ioremap(AR7_REGS_DCL, 4); - struct tnetd7300_clocks *clocks = - ioremap(UR8_REGS_CLOCKS, - sizeof(struct tnetd7300_clocks)); - u32 dsp_clk; - struct clk *clk; - - bus_clk.rate = tnetd7300_get_clock(BUS_PLL_SOURCE_SHIFT, - &clocks->bus, bootcr, AR7_AFE_CLOCK); - - if (*bootcr & BOOT_PLL_ASYNC_MODE) - cpu_clk.rate = tnetd7300_get_clock(CPU_PLL_SOURCE_SHIFT, - &clocks->cpu, bootcr, AR7_AFE_CLOCK); - else - cpu_clk.rate = bus_clk.rate; - - dsp_clk = tnetd7300_dsp_clock(); - if (dsp_clk == 250000000) - tnetd7300_set_clock(DSP_PLL_SOURCE_SHIFT, &clocks->dsp, - bootcr, dsp_clk); - - iounmap(clocks); - iounmap(bootcr); - - clk = clk_register_fixed_rate(NULL, "cpu", NULL, 0, cpu_clk.rate); - clkdev_create(clk, "cpu", NULL); - clk = clk_register_fixed_rate(NULL, "dsp", NULL, 0, dsp_clk); - clkdev_create(clk, "dsp", NULL); -} - -static void tnetd7200_set_clock(int base, struct tnetd7200_clock *clock, - int prediv, int postdiv, int postdiv2, int mul, u32 frequency) -{ - printk(KERN_INFO - "Clocks: base = %d, frequency = %u, prediv = %d, " - "postdiv = %d, postdiv2 = %d, mul = %d\n", - base, frequency, prediv, postdiv, postdiv2, mul); - - writel(0, &clock->ctrl); - writel(DIVISOR_ENABLE_MASK | ((prediv - 1) & 0x1F), &clock->prediv); - writel((mul - 1) & 0xF, &clock->mul); - - while (readl(&clock->status) & 0x1) - ; /* nop */ - - writel(DIVISOR_ENABLE_MASK | ((postdiv - 1) & 0x1F), &clock->postdiv); - - writel(readl(&clock->cmden) | 1, &clock->cmden); - writel(readl(&clock->cmd) | 1, &clock->cmd); - - while (readl(&clock->status) & 0x1) - ; /* nop */ - - writel(DIVISOR_ENABLE_MASK | ((postdiv2 - 1) & 0x1F), &clock->postdiv2); - - writel(readl(&clock->cmden) | 1, &clock->cmden); - writel(readl(&clock->cmd) | 1, &clock->cmd); - - while (readl(&clock->status) & 0x1) - ; /* nop */ - - writel(readl(&clock->ctrl) | 1, &clock->ctrl); -} - -static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr) -{ - if (*bootcr & BOOT_PLL_ASYNC_MODE) - /* Async */ - switch (clock_id) { - case TNETD7200_CLOCK_ID_DSP: - return AR7_REF_CLOCK; - default: - return AR7_AFE_CLOCK; - } - else - /* Sync */ - if (*bootcr & BOOT_PLL_2TO1_MODE) - /* 2:1 */ - switch (clock_id) { - case TNETD7200_CLOCK_ID_DSP: - return AR7_REF_CLOCK; - default: - return AR7_AFE_CLOCK; - } - else - /* 1:1 */ - return AR7_REF_CLOCK; -} - - -static void __init tnetd7200_init_clocks(void) -{ - u32 *bootcr = (u32 *)ioremap(AR7_REGS_DCL, 4); - struct tnetd7200_clocks *clocks = - ioremap(AR7_REGS_CLOCKS, - sizeof(struct tnetd7200_clocks)); - int cpu_base, cpu_mul, cpu_prediv, cpu_postdiv; - int dsp_base, dsp_mul, dsp_prediv, dsp_postdiv; - int usb_base, usb_mul, usb_prediv, usb_postdiv; - struct clk *clk; - - cpu_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_CPU, bootcr); - dsp_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_DSP, bootcr); - - if (*bootcr & BOOT_PLL_ASYNC_MODE) { - printk(KERN_INFO "Clocks: Async mode\n"); - - printk(KERN_INFO "Clocks: Setting DSP clock\n"); - calculate(dsp_base, TNETD7200_DEF_DSP_CLK, - &dsp_prediv, &dsp_postdiv, &dsp_mul); - bus_clk.rate = - ((dsp_base / dsp_prediv) * dsp_mul) / dsp_postdiv; - tnetd7200_set_clock(dsp_base, &clocks->dsp, - dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2, - bus_clk.rate); - - printk(KERN_INFO "Clocks: Setting CPU clock\n"); - calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, - &cpu_postdiv, &cpu_mul); - cpu_clk.rate = - ((cpu_base / cpu_prediv) * cpu_mul) / cpu_postdiv; - tnetd7200_set_clock(cpu_base, &clocks->cpu, - cpu_prediv, cpu_postdiv, -1, cpu_mul, - cpu_clk.rate); - - } else - if (*bootcr & BOOT_PLL_2TO1_MODE) { - printk(KERN_INFO "Clocks: Sync 2:1 mode\n"); - - printk(KERN_INFO "Clocks: Setting CPU clock\n"); - calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, - &cpu_postdiv, &cpu_mul); - cpu_clk.rate = ((cpu_base / cpu_prediv) * cpu_mul) - / cpu_postdiv; - tnetd7200_set_clock(cpu_base, &clocks->cpu, - cpu_prediv, cpu_postdiv, -1, cpu_mul, - cpu_clk.rate); - - printk(KERN_INFO "Clocks: Setting DSP clock\n"); - calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, - &dsp_postdiv, &dsp_mul); - bus_clk.rate = cpu_clk.rate / 2; - tnetd7200_set_clock(dsp_base, &clocks->dsp, - dsp_prediv, dsp_postdiv * 2, dsp_postdiv, - dsp_mul * 2, bus_clk.rate); - } else { - printk(KERN_INFO "Clocks: Sync 1:1 mode\n"); - - printk(KERN_INFO "Clocks: Setting DSP clock\n"); - calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, - &dsp_postdiv, &dsp_mul); - bus_clk.rate = ((dsp_base / dsp_prediv) * dsp_mul) - / dsp_postdiv; - tnetd7200_set_clock(dsp_base, &clocks->dsp, - dsp_prediv, dsp_postdiv * 2, dsp_postdiv, - dsp_mul * 2, bus_clk.rate); - - cpu_clk.rate = bus_clk.rate; - } - - printk(KERN_INFO "Clocks: Setting USB clock\n"); - usb_base = bus_clk.rate; - calculate(usb_base, TNETD7200_DEF_USB_CLK, &usb_prediv, - &usb_postdiv, &usb_mul); - tnetd7200_set_clock(usb_base, &clocks->usb, - usb_prediv, usb_postdiv, -1, usb_mul, - TNETD7200_DEF_USB_CLK); - - iounmap(clocks); - iounmap(bootcr); - - clk = clk_register_fixed_rate(NULL, "cpu", NULL, 0, cpu_clk.rate); - clkdev_create(clk, "cpu", NULL); - clkdev_create(clk, "dsp", NULL); -} - -void __init ar7_init_clocks(void) -{ - struct clk *clk; - - switch (ar7_chip_id()) { - case AR7_CHIP_7100: - case AR7_CHIP_7200: - tnetd7200_init_clocks(); - break; - case AR7_CHIP_7300: - tnetd7300_init_clocks(); - break; - default: - break; - } - clk = clk_register_fixed_rate(NULL, "bus", NULL, 0, bus_clk.rate); - clkdev_create(clk, "bus", NULL); - /* adjust vbus clock rate */ - clk = clk_register_fixed_factor(NULL, "vbus", "bus", 0, 1, 2); - clkdev_create(clk, "vbus", NULL); - clkdev_create(clk, "cpmac", "cpmac.1"); - clkdev_create(clk, "cpmac", "cpmac.1"); -} diff --git a/arch/mips/ar7/gpio.c b/arch/mips/ar7/gpio.c deleted file mode 100644 index 4ed833b9cc2f..000000000000 --- a/arch/mips/ar7/gpio.c +++ /dev/null @@ -1,332 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2007 Eugene Konev <ejka@openwrt.org> - * Copyright (C) 2009-2010 Florian Fainelli <florian@openwrt.org> - */ - -#include <linux/init.h> -#include <linux/export.h> -#include <linux/gpio/driver.h> - -#include <asm/mach-ar7/ar7.h> - -#define AR7_GPIO_MAX 32 -#define TITAN_GPIO_MAX 51 - -struct ar7_gpio_chip { - void __iomem *regs; - struct gpio_chip chip; -}; - -static int ar7_gpio_get_value(struct gpio_chip *chip, unsigned gpio) -{ - struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); - void __iomem *gpio_in = gpch->regs + AR7_GPIO_INPUT; - - return !!(readl(gpio_in) & (1 << gpio)); -} - -static int titan_gpio_get_value(struct gpio_chip *chip, unsigned gpio) -{ - struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); - void __iomem *gpio_in0 = gpch->regs + TITAN_GPIO_INPUT_0; - void __iomem *gpio_in1 = gpch->regs + TITAN_GPIO_INPUT_1; - - return readl(gpio >> 5 ? gpio_in1 : gpio_in0) & (1 << (gpio & 0x1f)); -} - -static void ar7_gpio_set_value(struct gpio_chip *chip, - unsigned gpio, int value) -{ - struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); - void __iomem *gpio_out = gpch->regs + AR7_GPIO_OUTPUT; - unsigned tmp; - - tmp = readl(gpio_out) & ~(1 << gpio); - if (value) - tmp |= 1 << gpio; - writel(tmp, gpio_out); -} - -static void titan_gpio_set_value(struct gpio_chip *chip, - unsigned gpio, int value) -{ - struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); - void __iomem *gpio_out0 = gpch->regs + TITAN_GPIO_OUTPUT_0; - void __iomem *gpio_out1 = gpch->regs + TITAN_GPIO_OUTPUT_1; - unsigned tmp; - - tmp = readl(gpio >> 5 ? gpio_out1 : gpio_out0) & ~(1 << (gpio & 0x1f)); - if (value) - tmp |= 1 << (gpio & 0x1f); - writel(tmp, gpio >> 5 ? gpio_out1 : gpio_out0); -} - -static int ar7_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) -{ - struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); - void __iomem *gpio_dir = gpch->regs + AR7_GPIO_DIR; - - writel(readl(gpio_dir) | (1 << gpio), gpio_dir); - - return 0; -} - -static int titan_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) -{ - struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); - void __iomem *gpio_dir0 = gpch->regs + TITAN_GPIO_DIR_0; - void __iomem *gpio_dir1 = gpch->regs + TITAN_GPIO_DIR_1; - - if (gpio >= TITAN_GPIO_MAX) - return -EINVAL; - - writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) | (1 << (gpio & 0x1f)), - gpio >> 5 ? gpio_dir1 : gpio_dir0); - return 0; -} - -static int ar7_gpio_direction_output(struct gpio_chip *chip, - unsigned gpio, int value) -{ - struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); - void __iomem *gpio_dir = gpch->regs + AR7_GPIO_DIR; - - ar7_gpio_set_value(chip, gpio, value); - writel(readl(gpio_dir) & ~(1 << gpio), gpio_dir); - - return 0; -} - -static int titan_gpio_direction_output(struct gpio_chip *chip, - unsigned gpio, int value) -{ - struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); - void __iomem *gpio_dir0 = gpch->regs + TITAN_GPIO_DIR_0; - void __iomem *gpio_dir1 = gpch->regs + TITAN_GPIO_DIR_1; - - if (gpio >= TITAN_GPIO_MAX) - return -EINVAL; - - titan_gpio_set_value(chip, gpio, value); - writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) & ~(1 << - (gpio & 0x1f)), gpio >> 5 ? gpio_dir1 : gpio_dir0); - - return 0; -} - -static struct ar7_gpio_chip ar7_gpio_chip = { - .chip = { - .label = "ar7-gpio", - .direction_input = ar7_gpio_direction_input, - .direction_output = ar7_gpio_direction_output, - .set = ar7_gpio_set_value, - .get = ar7_gpio_get_value, - .base = 0, - .ngpio = AR7_GPIO_MAX, - } -}; - -static struct ar7_gpio_chip titan_gpio_chip = { - .chip = { - .label = "titan-gpio", - .direction_input = titan_gpio_direction_input, - .direction_output = titan_gpio_direction_output, - .set = titan_gpio_set_value, - .get = titan_gpio_get_value, - .base = 0, - .ngpio = TITAN_GPIO_MAX, - } -}; - -static inline int ar7_gpio_enable_ar7(unsigned gpio) -{ - void __iomem *gpio_en = ar7_gpio_chip.regs + AR7_GPIO_ENABLE; - - writel(readl(gpio_en) | (1 << gpio), gpio_en); - - return 0; -} - -static inline int ar7_gpio_enable_titan(unsigned gpio) -{ - void __iomem *gpio_en0 = titan_gpio_chip.regs + TITAN_GPIO_ENBL_0; - void __iomem *gpio_en1 = titan_gpio_chip.regs + TITAN_GPIO_ENBL_1; - - writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) | (1 << (gpio & 0x1f)), - gpio >> 5 ? gpio_en1 : gpio_en0); - - return 0; -} - -int ar7_gpio_enable(unsigned gpio) -{ - return ar7_is_titan() ? ar7_gpio_enable_titan(gpio) : - ar7_gpio_enable_ar7(gpio); -} -EXPORT_SYMBOL(ar7_gpio_enable); - -static inline int ar7_gpio_disable_ar7(unsigned gpio) -{ - void __iomem *gpio_en = ar7_gpio_chip.regs + AR7_GPIO_ENABLE; - - writel(readl(gpio_en) & ~(1 << gpio), gpio_en); - - return 0; -} - -static inline int ar7_gpio_disable_titan(unsigned gpio) -{ - void __iomem *gpio_en0 = titan_gpio_chip.regs + TITAN_GPIO_ENBL_0; - void __iomem *gpio_en1 = titan_gpio_chip.regs + TITAN_GPIO_ENBL_1; - - writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) & ~(1 << (gpio & 0x1f)), - gpio >> 5 ? gpio_en1 : gpio_en0); - - return 0; -} - -int ar7_gpio_disable(unsigned gpio) -{ - return ar7_is_titan() ? ar7_gpio_disable_titan(gpio) : - ar7_gpio_disable_ar7(gpio); -} -EXPORT_SYMBOL(ar7_gpio_disable); - -struct titan_gpio_cfg { - u32 reg; - u32 shift; - u32 func; -}; - -static const struct titan_gpio_cfg titan_gpio_table[] = { - /* reg, start bit, mux value */ - {4, 24, 1}, - {4, 26, 1}, - {4, 28, 1}, - {4, 30, 1}, - {5, 6, 1}, - {5, 8, 1}, - {5, 10, 1}, - {5, 12, 1}, - {7, 14, 3}, - {7, 16, 3}, - {7, 18, 3}, - {7, 20, 3}, - {7, 22, 3}, - {7, 26, 3}, - {7, 28, 3}, - {7, 30, 3}, - {8, 0, 3}, - {8, 2, 3}, - {8, 4, 3}, - {8, 10, 3}, - {8, 14, 3}, - {8, 16, 3}, - {8, 18, 3}, - {8, 20, 3}, - {9, 8, 3}, - {9, 10, 3}, - {9, 12, 3}, - {9, 14, 3}, - {9, 18, 3}, - {9, 20, 3}, - {9, 24, 3}, - {9, 26, 3}, - {9, 28, 3}, - {9, 30, 3}, - {10, 0, 3}, - {10, 2, 3}, - {10, 8, 3}, - {10, 10, 3}, - {10, 12, 3}, - {10, 14, 3}, - {13, 12, 3}, - {13, 14, 3}, - {13, 16, 3}, - {13, 18, 3}, - {13, 24, 3}, - {13, 26, 3}, - {13, 28, 3}, - {13, 30, 3}, - {14, 2, 3}, - {14, 6, 3}, - {14, 8, 3}, - {14, 12, 3} -}; - -static int titan_gpio_pinsel(unsigned gpio) -{ - struct titan_gpio_cfg gpio_cfg; - u32 mux_status, pin_sel_reg, tmp; - void __iomem *pin_sel = (void __iomem *)KSEG1ADDR(AR7_REGS_PINSEL); - - if (gpio >= ARRAY_SIZE(titan_gpio_table)) - return -EINVAL; - - gpio_cfg = titan_gpio_table[gpio]; - pin_sel_reg = gpio_cfg.reg - 1; - - mux_status = (readl(pin_sel + pin_sel_reg) >> gpio_cfg.shift) & 0x3; - - /* Check the mux status */ - if (!((mux_status == 0) || (mux_status == gpio_cfg.func))) - return 0; - - /* Set the pin sel value */ - tmp = readl(pin_sel + pin_sel_reg); - tmp |= ((gpio_cfg.func & 0x3) << gpio_cfg.shift); - writel(tmp, pin_sel + pin_sel_reg); - - return 0; -} - -/* Perform minimal Titan GPIO configuration */ -static void titan_gpio_init(void) -{ - unsigned i; - - for (i = 44; i < 48; i++) { - titan_gpio_pinsel(i); - ar7_gpio_enable_titan(i); - titan_gpio_direction_input(&titan_gpio_chip.chip, i); - } -} - -int __init ar7_gpio_init(void) -{ - int ret; - struct ar7_gpio_chip *gpch; - unsigned size; - - if (!ar7_is_titan()) { - gpch = &ar7_gpio_chip; - size = 0x10; - } else { - gpch = &titan_gpio_chip; - size = 0x1f; - } - - gpch->regs = ioremap(AR7_REGS_GPIO, size); - if (!gpch->regs) { - printk(KERN_ERR "%s: failed to ioremap regs\n", - gpch->chip.label); - return -ENOMEM; - } - - ret = gpiochip_add_data(&gpch->chip, gpch); - if (ret) { - printk(KERN_ERR "%s: failed to add gpiochip\n", - gpch->chip.label); - iounmap(gpch->regs); - return ret; - } - printk(KERN_INFO "%s: registered %d GPIOs\n", - gpch->chip.label, gpch->chip.ngpio); - - if (ar7_is_titan()) - titan_gpio_init(); - - return ret; -} diff --git a/arch/mips/ar7/irq.c b/arch/mips/ar7/irq.c deleted file mode 100644 index f0a7942d393e..000000000000 --- a/arch/mips/ar7/irq.c +++ /dev/null @@ -1,165 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org> - */ - -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/irq.h> - -#include <asm/irq_cpu.h> -#include <asm/mipsregs.h> -#include <asm/mach-ar7/ar7.h> - -#define EXCEPT_OFFSET 0x80 -#define PACE_OFFSET 0xA0 -#define CHNLS_OFFSET 0x200 - -#define REG_OFFSET(irq, reg) ((irq) / 32 * 0x4 + reg * 0x10) -#define SEC_REG_OFFSET(reg) (EXCEPT_OFFSET + reg * 0x8) -#define SEC_SR_OFFSET (SEC_REG_OFFSET(0)) /* 0x80 */ -#define CR_OFFSET(irq) (REG_OFFSET(irq, 1)) /* 0x10 */ -#define SEC_CR_OFFSET (SEC_REG_OFFSET(1)) /* 0x88 */ -#define ESR_OFFSET(irq) (REG_OFFSET(irq, 2)) /* 0x20 */ -#define SEC_ESR_OFFSET (SEC_REG_OFFSET(2)) /* 0x90 */ -#define ECR_OFFSET(irq) (REG_OFFSET(irq, 3)) /* 0x30 */ -#define SEC_ECR_OFFSET (SEC_REG_OFFSET(3)) /* 0x98 */ -#define PIR_OFFSET (0x40) -#define MSR_OFFSET (0x44) -#define PM_OFFSET(irq) (REG_OFFSET(irq, 5)) /* 0x50 */ -#define TM_OFFSET(irq) (REG_OFFSET(irq, 6)) /* 0x60 */ - -#define REG(addr) ((u32 *)(KSEG1ADDR(AR7_REGS_IRQ) + addr)) - -#define CHNL_OFFSET(chnl) (CHNLS_OFFSET + (chnl * 4)) - -static int ar7_irq_base; - -static void ar7_unmask_irq(struct irq_data *d) -{ - writel(1 << ((d->irq - ar7_irq_base) % 32), - REG(ESR_OFFSET(d->irq - ar7_irq_base))); -} - -static void ar7_mask_irq(struct irq_data *d) -{ - writel(1 << ((d->irq - ar7_irq_base) % 32), - REG(ECR_OFFSET(d->irq - ar7_irq_base))); -} - -static void ar7_ack_irq(struct irq_data *d) -{ - writel(1 << ((d->irq - ar7_irq_base) % 32), - REG(CR_OFFSET(d->irq - ar7_irq_base))); -} - -static void ar7_unmask_sec_irq(struct irq_data *d) -{ - writel(1 << (d->irq - ar7_irq_base - 40), REG(SEC_ESR_OFFSET)); -} - -static void ar7_mask_sec_irq(struct irq_data *d) -{ - writel(1 << (d->irq - ar7_irq_base - 40), REG(SEC_ECR_OFFSET)); -} - -static void ar7_ack_sec_irq(struct irq_data *d) -{ - writel(1 << (d->irq - ar7_irq_base - 40), REG(SEC_CR_OFFSET)); -} - -static struct irq_chip ar7_irq_type = { - .name = "AR7", - .irq_unmask = ar7_unmask_irq, - .irq_mask = ar7_mask_irq, - .irq_ack = ar7_ack_irq -}; - -static struct irq_chip ar7_sec_irq_type = { - .name = "AR7", - .irq_unmask = ar7_unmask_sec_irq, - .irq_mask = ar7_mask_sec_irq, - .irq_ack = ar7_ack_sec_irq, -}; - -static void __init ar7_irq_init(int base) -{ - int i; - /* - * Disable interrupts and clear pending - */ - writel(0xffffffff, REG(ECR_OFFSET(0))); - writel(0xff, REG(ECR_OFFSET(32))); - writel(0xffffffff, REG(SEC_ECR_OFFSET)); - writel(0xffffffff, REG(CR_OFFSET(0))); - writel(0xff, REG(CR_OFFSET(32))); - writel(0xffffffff, REG(SEC_CR_OFFSET)); - - ar7_irq_base = base; - - for (i = 0; i < 40; i++) { - writel(i, REG(CHNL_OFFSET(i))); - /* Primary IRQ's */ - irq_set_chip_and_handler(base + i, &ar7_irq_type, - handle_level_irq); - /* Secondary IRQ's */ - if (i < 32) - irq_set_chip_and_handler(base + i + 40, - &ar7_sec_irq_type, - handle_level_irq); - } - - if (request_irq(2, no_action, IRQF_NO_THREAD, "AR7 cascade interrupt", - NULL)) - pr_err("Failed to request irq 2 (AR7 cascade interrupt)\n"); - if (request_irq(ar7_irq_base, no_action, IRQF_NO_THREAD, - "AR7 cascade interrupt", NULL)) { - pr_err("Failed to request irq %d (AR7 cascade interrupt)\n", - ar7_irq_base); - } - set_c0_status(IE_IRQ0); -} - -void __init arch_init_irq(void) -{ - mips_cpu_irq_init(); - ar7_irq_init(8); -} - -static void ar7_cascade(void) -{ - u32 status; - int i, irq; - - /* Primary IRQ's */ - irq = readl(REG(PIR_OFFSET)) & 0x3f; - if (irq) { - do_IRQ(ar7_irq_base + irq); - return; - } - - /* Secondary IRQ's are cascaded through primary '0' */ - writel(1, REG(CR_OFFSET(irq))); - status = readl(REG(SEC_SR_OFFSET)); - for (i = 0; i < 32; i++) { - if (status & 1) { - do_IRQ(ar7_irq_base + i + 40); - return; - } - status >>= 1; - } - - spurious_interrupt(); -} - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; - if (pending & STATUSF_IP7) /* cpu timer */ - do_IRQ(7); - else if (pending & STATUSF_IP2) /* int0 hardware line */ - ar7_cascade(); - else - spurious_interrupt(); -} diff --git a/arch/mips/ar7/memory.c b/arch/mips/ar7/memory.c deleted file mode 100644 index ce8024c1a54e..000000000000 --- a/arch/mips/ar7/memory.c +++ /dev/null @@ -1,51 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2007 Eugene Konev <ejka@openwrt.org> - */ -#include <linux/memblock.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/pfn.h> -#include <linux/proc_fs.h> -#include <linux/string.h> -#include <linux/swap.h> - -#include <asm/bootinfo.h> -#include <asm/page.h> -#include <asm/sections.h> - -#include <asm/mach-ar7/ar7.h> - -static int __init memsize(void) -{ - u32 size = (64 << 20); - u32 *addr = (u32 *)KSEG1ADDR(AR7_SDRAM_BASE + size - 4); - u32 *kernel_end = (u32 *)KSEG1ADDR(CPHYSADDR((u32)&_end)); - u32 *tmpaddr = addr; - - while (tmpaddr > kernel_end) { - *tmpaddr = (u32)tmpaddr; - size >>= 1; - tmpaddr -= size >> 2; - } - - do { - tmpaddr += size >> 2; - if (*tmpaddr != (u32)tmpaddr) - break; - size <<= 1; - } while (size < (64 << 20)); - - writel((u32)tmpaddr, &addr); - - return size; -} - -void __init prom_meminit(void) -{ - unsigned long pages; - - pages = memsize() >> PAGE_SHIFT; - memblock_add(PHYS_OFFSET, pages << PAGE_SHIFT); -} diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c deleted file mode 100644 index 215149a85d83..000000000000 --- a/arch/mips/ar7/platform.c +++ /dev/null @@ -1,722 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org> - */ - -#include <linux/init.h> -#include <linux/types.h> -#include <linux/delay.h> -#include <linux/dma-mapping.h> -#include <linux/platform_device.h> -#include <linux/mtd/physmap.h> -#include <linux/serial.h> -#include <linux/serial_8250.h> -#include <linux/ioport.h> -#include <linux/io.h> -#include <linux/vlynq.h> -#include <linux/leds.h> -#include <linux/string.h> -#include <linux/etherdevice.h> -#include <linux/phy.h> -#include <linux/phy_fixed.h> -#include <linux/gpio.h> -#include <linux/clk.h> - -#include <asm/addrspace.h> -#include <asm/mach-ar7/ar7.h> -#include <asm/mach-ar7/prom.h> - -/***************************************************************************** - * VLYNQ Bus - ****************************************************************************/ -struct plat_vlynq_data { - struct plat_vlynq_ops ops; - int gpio_bit; - int reset_bit; -}; - -static int vlynq_on(struct vlynq_device *dev) -{ - int ret; - struct plat_vlynq_data *pdata = dev->dev.platform_data; - - ret = gpio_request(pdata->gpio_bit, "vlynq"); - if (ret) - goto out; - - ar7_device_reset(pdata->reset_bit); - - ret = ar7_gpio_disable(pdata->gpio_bit); - if (ret) - goto out_enabled; - - ret = ar7_gpio_enable(pdata->gpio_bit); - if (ret) - goto out_enabled; - - ret = gpio_direction_output(pdata->gpio_bit, 0); - if (ret) - goto out_gpio_enabled; - - msleep(50); - - gpio_set_value(pdata->gpio_bit, 1); - - msleep(50); - - return 0; - -out_gpio_enabled: - ar7_gpio_disable(pdata->gpio_bit); -out_enabled: - ar7_device_disable(pdata->reset_bit); - gpio_free(pdata->gpio_bit); -out: - return ret; -} - -static void vlynq_off(struct vlynq_device *dev) -{ - struct plat_vlynq_data *pdata = dev->dev.platform_data; - - ar7_gpio_disable(pdata->gpio_bit); - gpio_free(pdata->gpio_bit); - ar7_device_disable(pdata->reset_bit); -} - -static struct resource vlynq_low_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_VLYNQ0, - .end = AR7_REGS_VLYNQ0 + 0xff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 29, - .end = 29, - }, - { - .name = "mem", - .flags = IORESOURCE_MEM, - .start = 0x04000000, - .end = 0x04ffffff, - }, - { - .name = "devirq", - .flags = IORESOURCE_IRQ, - .start = 80, - .end = 111, - }, -}; - -static struct resource vlynq_high_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_VLYNQ1, - .end = AR7_REGS_VLYNQ1 + 0xff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 33, - .end = 33, - }, - { - .name = "mem", - .flags = IORESOURCE_MEM, - .start = 0x0c000000, - .end = 0x0cffffff, - }, - { - .name = "devirq", - .flags = IORESOURCE_IRQ, - .start = 112, - .end = 143, - }, -}; - -static struct plat_vlynq_data vlynq_low_data = { - .ops = { - .on = vlynq_on, - .off = vlynq_off, - }, - .reset_bit = 20, - .gpio_bit = 18, -}; - -static struct plat_vlynq_data vlynq_high_data = { - .ops = { - .on = vlynq_on, - .off = vlynq_off, - }, - .reset_bit = 16, - .gpio_bit = 19, -}; - -static struct platform_device vlynq_low = { - .id = 0, - .name = "vlynq", - .dev = { - .platform_data = &vlynq_low_data, - }, - .resource = vlynq_low_res, - .num_resources = ARRAY_SIZE(vlynq_low_res), -}; - -static struct platform_device vlynq_high = { - .id = 1, - .name = "vlynq", - .dev = { - .platform_data = &vlynq_high_data, - }, - .resource = vlynq_high_res, - .num_resources = ARRAY_SIZE(vlynq_high_res), -}; - -/***************************************************************************** - * Flash - ****************************************************************************/ -static struct resource physmap_flash_resource = { - .name = "mem", - .flags = IORESOURCE_MEM, - .start = 0x10000000, - .end = 0x107fffff, -}; - -static const char *ar7_probe_types[] = { "ar7part", NULL }; - -static struct physmap_flash_data physmap_flash_data = { - .width = 2, - .part_probe_types = ar7_probe_types, -}; - -static struct platform_device physmap_flash = { - .name = "physmap-flash", - .dev = { - .platform_data = &physmap_flash_data, - }, - .resource = &physmap_flash_resource, - .num_resources = 1, -}; - -/***************************************************************************** - * Ethernet - ****************************************************************************/ -static struct resource cpmac_low_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_MAC0, - .end = AR7_REGS_MAC0 + 0x7ff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 27, - .end = 27, - }, -}; - -static struct resource cpmac_high_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_MAC1, - .end = AR7_REGS_MAC1 + 0x7ff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 41, - .end = 41, - }, -}; - -static struct fixed_phy_status fixed_phy_status __initdata = { - .link = 1, - .speed = 100, - .duplex = 1, -}; - -static struct plat_cpmac_data cpmac_low_data = { - .reset_bit = 17, - .power_bit = 20, - .phy_mask = 0x80000000, -}; - -static struct plat_cpmac_data cpmac_high_data = { - .reset_bit = 21, - .power_bit = 22, - .phy_mask = 0x7fffffff, -}; - -static u64 cpmac_dma_mask = DMA_BIT_MASK(32); - -static struct platform_device cpmac_low = { - .id = 0, - .name = "cpmac", - .dev = { - .dma_mask = &cpmac_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &cpmac_low_data, - }, - .resource = cpmac_low_res, - .num_resources = ARRAY_SIZE(cpmac_low_res), -}; - -static struct platform_device cpmac_high = { - .id = 1, - .name = "cpmac", - .dev = { - .dma_mask = &cpmac_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &cpmac_high_data, - }, - .resource = cpmac_high_res, - .num_resources = ARRAY_SIZE(cpmac_high_res), -}; - -static void __init cpmac_get_mac(int instance, unsigned char *dev_addr) -{ - char name[5], *mac; - - sprintf(name, "mac%c", 'a' + instance); - mac = prom_getenv(name); - if (!mac && instance) { - sprintf(name, "mac%c", 'a'); - mac = prom_getenv(name); - } - - if (mac) { - if (!mac_pton(mac, dev_addr)) { - pr_warn("cannot parse mac address, using random address\n"); - eth_random_addr(dev_addr); - } - } else - eth_random_addr(dev_addr); -} - -/***************************************************************************** - * USB - ****************************************************************************/ -static struct resource usb_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_USB, - .end = AR7_REGS_USB + 0xff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 32, - .end = 32, - }, - { - .name = "mem", - .flags = IORESOURCE_MEM, - .start = 0x03400000, - .end = 0x03401fff, - }, -}; - -static struct platform_device ar7_udc = { - .name = "ar7_udc", - .resource = usb_res, - .num_resources = ARRAY_SIZE(usb_res), -}; - -/***************************************************************************** - * LEDs - ****************************************************************************/ -static const struct gpio_led default_leds[] = { - { - .name = "status", - .gpio = 8, - .active_low = 1, - }, -}; - -static const struct gpio_led titan_leds[] = { - { .name = "status", .gpio = 8, .active_low = 1, }, - { .name = "wifi", .gpio = 13, .active_low = 1, }, -}; - -static const struct gpio_led dsl502t_leds[] = { - { - .name = "status", - .gpio = 9, - .active_low = 1, - }, - { - .name = "ethernet", - .gpio = 7, - .active_low = 1, - }, - { - .name = "usb", - .gpio = 12, - .active_low = 1, - }, -}; - -static const struct gpio_led dg834g_leds[] = { - { - .name = "ppp", - .gpio = 6, - .active_low = 1, - }, - { - .name = "status", - .gpio = 7, - .active_low = 1, - }, - { - .name = "adsl", - .gpio = 8, - .active_low = 1, - }, - { - .name = "wifi", - .gpio = 12, - .active_low = 1, - }, - { - .name = "power", - .gpio = 14, - .active_low = 1, - .default_trigger = "default-on", - }, -}; - -static const struct gpio_led fb_sl_leds[] = { - { - .name = "1", - .gpio = 7, - }, - { - .name = "2", - .gpio = 13, - .active_low = 1, - }, - { - .name = "3", - .gpio = 10, - .active_low = 1, - }, - { - .name = "4", - .gpio = 12, - .active_low = 1, - }, - { - .name = "5", - .gpio = 9, - .active_low = 1, - }, -}; - -static const struct gpio_led fb_fon_leds[] = { - { - .name = "1", - .gpio = 8, - }, - { - .name = "2", - .gpio = 3, - .active_low = 1, - }, - { - .name = "3", - .gpio = 5, - }, - { - .name = "4", - .gpio = 4, - .active_low = 1, - }, - { - .name = "5", - .gpio = 11, - .active_low = 1, - }, -}; - -static const struct gpio_led gt701_leds[] = { - { - .name = "inet:green", - .gpio = 13, - .active_low = 1, - }, - { - .name = "usb", - .gpio = 12, - .active_low = 1, - }, - { - .name = "inet:red", - .gpio = 9, - .active_low = 1, - }, - { - .name = "power:red", - .gpio = 7, - .active_low = 1, - }, - { - .name = "power:green", - .gpio = 8, - .active_low = 1, - .default_trigger = "default-on", - }, - { - .name = "ethernet", - .gpio = 10, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data ar7_led_data; - -static struct platform_device ar7_gpio_leds = { - .name = "leds-gpio", - .dev = { - .platform_data = &ar7_led_data, - } -}; - -static void __init detect_leds(void) -{ - char *prid, *usb_prod; - - /* Default LEDs */ - ar7_led_data.num_leds = ARRAY_SIZE(default_leds); - ar7_led_data.leds = default_leds; - - /* FIXME: the whole thing is unreliable */ - prid = prom_getenv("ProductID"); - usb_prod = prom_getenv("usb_prod"); - - /* If we can't get the product id from PROM, use the default LEDs */ - if (!prid) - return; - - if (strstr(prid, "Fritz_Box_FON")) { - ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds); - ar7_led_data.leds = fb_fon_leds; - } else if (strstr(prid, "Fritz_Box_")) { - ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds); - ar7_led_data.leds = fb_sl_leds; - } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB")) - && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) { - ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds); - ar7_led_data.leds = dsl502t_leds; - } else if (strstr(prid, "DG834")) { - ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds); - ar7_led_data.leds = dg834g_leds; - } else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) { - ar7_led_data.num_leds = ARRAY_SIZE(titan_leds); - ar7_led_data.leds = titan_leds; - } else if (strstr(prid, "GT701")) { - ar7_led_data.num_leds = ARRAY_SIZE(gt701_leds); - ar7_led_data.leds = gt701_leds; - } -} - -/***************************************************************************** - * Watchdog - ****************************************************************************/ -static struct resource ar7_wdt_res = { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = -1, /* Filled at runtime */ - .end = -1, /* Filled at runtime */ -}; - -static struct platform_device ar7_wdt = { - .name = "ar7_wdt", - .resource = &ar7_wdt_res, - .num_resources = 1, -}; - -/***************************************************************************** - * Init - ****************************************************************************/ -static int __init ar7_register_uarts(void) -{ -#ifdef CONFIG_SERIAL_8250 - static struct uart_port uart_port __initdata; - struct clk *bus_clk; - int res; - - memset(&uart_port, 0, sizeof(struct uart_port)); - - bus_clk = clk_get(NULL, "bus"); - if (IS_ERR(bus_clk)) - panic("unable to get bus clk"); - - uart_port.type = PORT_AR7; - uart_port.uartclk = clk_get_rate(bus_clk) / 2; - uart_port.iotype = UPIO_MEM32; - uart_port.flags = UPF_FIXED_TYPE | UPF_BOOT_AUTOCONF; - uart_port.regshift = 2; - - uart_port.line = 0; - uart_port.irq = AR7_IRQ_UART0; - uart_port.mapbase = AR7_REGS_UART0; - uart_port.membase = ioremap(uart_port.mapbase, 256); - - res = early_serial_setup(&uart_port); - if (res) - return res; - - /* Only TNETD73xx have a second serial port */ - if (ar7_has_second_uart()) { - uart_port.line = 1; - uart_port.irq = AR7_IRQ_UART1; - uart_port.mapbase = UR8_REGS_UART1; - uart_port.membase = ioremap(uart_port.mapbase, 256); - - res = early_serial_setup(&uart_port); - if (res) - return res; - } -#endif - - return 0; -} - -static void __init titan_fixup_devices(void) -{ - /* Set vlynq0 data */ - vlynq_low_data.reset_bit = 15; - vlynq_low_data.gpio_bit = 14; - - /* Set vlynq1 data */ - vlynq_high_data.reset_bit = 16; - vlynq_high_data.gpio_bit = 7; - - /* Set vlynq0 resources */ - vlynq_low_res[0].start = TITAN_REGS_VLYNQ0; - vlynq_low_res[0].end = TITAN_REGS_VLYNQ0 + 0xff; - vlynq_low_res[1].start = 33; - vlynq_low_res[1].end = 33; - vlynq_low_res[2].start = 0x0c000000; - vlynq_low_res[2].end = 0x0fffffff; - vlynq_low_res[3].start = 80; - vlynq_low_res[3].end = 111; - - /* Set vlynq1 resources */ - vlynq_high_res[0].start = TITAN_REGS_VLYNQ1; - vlynq_high_res[0].end = TITAN_REGS_VLYNQ1 + 0xff; - vlynq_high_res[1].start = 34; - vlynq_high_res[1].end = 34; - vlynq_high_res[2].start = 0x40000000; - vlynq_high_res[2].end = 0x43ffffff; - vlynq_high_res[3].start = 112; - vlynq_high_res[3].end = 143; - - /* Set cpmac0 data */ - cpmac_low_data.phy_mask = 0x40000000; - - /* Set cpmac1 data */ - cpmac_high_data.phy_mask = 0x80000000; - - /* Set cpmac0 resources */ - cpmac_low_res[0].start = TITAN_REGS_MAC0; - cpmac_low_res[0].end = TITAN_REGS_MAC0 + 0x7ff; - - /* Set cpmac1 resources */ - cpmac_high_res[0].start = TITAN_REGS_MAC1; - cpmac_high_res[0].end = TITAN_REGS_MAC1 + 0x7ff; -} - -static int __init ar7_register_devices(void) -{ - void __iomem *bootcr; - u32 val; - int res; - - res = ar7_gpio_init(); - if (res) - pr_warn("unable to register gpios: %d\n", res); - - res = ar7_register_uarts(); - if (res) - pr_err("unable to setup uart(s): %d\n", res); - - res = platform_device_register(&physmap_flash); - if (res) - pr_warn("unable to register physmap-flash: %d\n", res); - - if (ar7_is_titan()) - titan_fixup_devices(); - - ar7_device_disable(vlynq_low_data.reset_bit); - res = platform_device_register(&vlynq_low); - if (res) - pr_warn("unable to register vlynq-low: %d\n", res); - - if (ar7_has_high_vlynq()) { - ar7_device_disable(vlynq_high_data.reset_bit); - res = platform_device_register(&vlynq_high); - if (res) - pr_warn("unable to register vlynq-high: %d\n", res); - } - - if (ar7_has_high_cpmac()) { - res = fixed_phy_add(PHY_POLL, cpmac_high.id, - &fixed_phy_status); - if (!res) { - cpmac_get_mac(1, cpmac_high_data.dev_addr); - - res = platform_device_register(&cpmac_high); - if (res) - pr_warn("unable to register cpmac-high: %d\n", - res); - } else - pr_warn("unable to add cpmac-high phy: %d\n", res); - } else - cpmac_low_data.phy_mask = 0xffffffff; - - res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status); - if (!res) { - cpmac_get_mac(0, cpmac_low_data.dev_addr); - res = platform_device_register(&cpmac_low); - if (res) - pr_warn("unable to register cpmac-low: %d\n", res); - } else - pr_warn("unable to add cpmac-low phy: %d\n", res); - - detect_leds(); - res = platform_device_register(&ar7_gpio_leds); - if (res) - pr_warn("unable to register leds: %d\n", res); - - res = platform_device_register(&ar7_udc); - if (res) - pr_warn("unable to register usb slave: %d\n", res); - - /* Register watchdog only if enabled in hardware */ - bootcr = ioremap(AR7_REGS_DCL, 4); - val = readl(bootcr); - iounmap(bootcr); - if (val & AR7_WDT_HW_ENA) { - if (ar7_has_high_vlynq()) - ar7_wdt_res.start = UR8_REGS_WDT; - else - ar7_wdt_res.start = AR7_REGS_WDT; - - ar7_wdt_res.end = ar7_wdt_res.start + 0x20; - res = platform_device_register(&ar7_wdt); - if (res) - pr_warn("unable to register watchdog: %d\n", res); - } - - return 0; -} -device_initcall(ar7_register_devices); diff --git a/arch/mips/ar7/prom.c b/arch/mips/ar7/prom.c deleted file mode 100644 index 5810d3993fc6..000000000000 --- a/arch/mips/ar7/prom.c +++ /dev/null @@ -1,256 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * Putting things on the screen/serial line using YAMONs facilities. - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/serial_reg.h> -#include <linux/spinlock.h> -#include <linux/export.h> -#include <linux/string.h> -#include <linux/io.h> -#include <asm/bootinfo.h> -#include <asm/setup.h> - -#include <asm/mach-ar7/ar7.h> -#include <asm/mach-ar7/prom.h> - -#define MAX_ENTRY 80 - -struct env_var { - char *name; - char *value; -}; - -static struct env_var adam2_env[MAX_ENTRY]; - -char *prom_getenv(const char *name) -{ - int i; - - for (i = 0; (i < MAX_ENTRY) && adam2_env[i].name; i++) - if (!strcmp(name, adam2_env[i].name)) - return adam2_env[i].value; - - return NULL; -} -EXPORT_SYMBOL(prom_getenv); - -static void __init ar7_init_cmdline(int argc, char *argv[]) -{ - int i; - - for (i = 1; i < argc; i++) { - strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE); - if (i < (argc - 1)) - strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE); - } -} - -struct psbl_rec { - u32 psbl_size; - u32 env_base; - u32 env_size; - u32 ffs_base; - u32 ffs_size; -}; - -static const char psp_env_version[] __initconst = "TIENV0.8"; - -struct psp_env_chunk { - u8 num; - u8 ctrl; - u16 csum; - u8 len; - char data[11]; -} __packed; - -struct psp_var_map_entry { - u8 num; - char *value; -}; - -static const struct psp_var_map_entry psp_var_map[] = { - { 1, "cpufrequency" }, - { 2, "memsize" }, - { 3, "flashsize" }, - { 4, "modetty0" }, - { 5, "modetty1" }, - { 8, "maca" }, - { 9, "macb" }, - { 28, "sysfrequency" }, - { 38, "mipsfrequency" }, -}; - -/* - -Well-known variable (num is looked up in table above for matching variable name) -Example: cpufrequency=211968000 -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- -| 01 |CTRL|CHECKSUM | 01 | _2 | _1 | _1 | _9 | _6 | _8 | _0 | _0 | _0 | \0 | FF -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- - -Name=Value pair in a single chunk -Example: NAME=VALUE -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- -| 00 |CTRL|CHECKSUM | 01 | _N | _A | _M | _E | _0 | _V | _A | _L | _U | _E | \0 -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- - -Name=Value pair in 2 chunks (len is the number of chunks) -Example: bootloaderVersion=1.3.7.15 -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- -| 00 |CTRL|CHECKSUM | 02 | _b | _o | _o | _t | _l | _o | _a | _d | _e | _r | _V -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- -| _e | _r | _s | _i | _o | _n | \0 | _1 | _. | _3 | _. | _7 | _. | _1 | _5 | \0 -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- - -Data is padded with 0xFF - -*/ - -#define PSP_ENV_SIZE 4096 - -static char psp_env_data[PSP_ENV_SIZE] = { 0, }; - -static char * __init lookup_psp_var_map(u8 num) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(psp_var_map); i++) - if (psp_var_map[i].num == num) - return psp_var_map[i].value; - - return NULL; -} - -static void __init add_adam2_var(char *name, char *value) -{ - int i; - - for (i = 0; i < MAX_ENTRY; i++) { - if (!adam2_env[i].name) { - adam2_env[i].name = name; - adam2_env[i].value = value; - return; - } else if (!strcmp(adam2_env[i].name, name)) { - adam2_env[i].value = value; - return; - } - } -} - -static int __init parse_psp_env(void *psp_env_base) -{ - int i, n; - char *name, *value; - struct psp_env_chunk *chunks = (struct psp_env_chunk *)psp_env_data; - - memcpy_fromio(chunks, psp_env_base, PSP_ENV_SIZE); - - i = 1; - n = PSP_ENV_SIZE / sizeof(struct psp_env_chunk); - while (i < n) { - if ((chunks[i].num == 0xff) || ((i + chunks[i].len) > n)) - break; - value = chunks[i].data; - if (chunks[i].num) { - name = lookup_psp_var_map(chunks[i].num); - } else { - name = value; - value += strlen(name) + 1; - } - if (name) - add_adam2_var(name, value); - i += chunks[i].len; - } - return 0; -} - -static void __init ar7_init_env(struct env_var *env) -{ - int i; - struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x14000300)); - void *psp_env = (void *)KSEG1ADDR(psbl->env_base); - - if (strcmp(psp_env, psp_env_version) == 0) { - parse_psp_env(psp_env); - } else { - for (i = 0; i < MAX_ENTRY; i++, env++) - if (env->name) - add_adam2_var(env->name, env->value); - } -} - -static void __init console_config(void) -{ -#ifdef CONFIG_SERIAL_8250_CONSOLE - char console_string[40]; - int baud = 0; - char parity = '\0', bits = '\0', flow = '\0'; - char *s, *p; - - if (strstr(arcs_cmdline, "console=")) - return; - - s = prom_getenv("modetty0"); - if (s) { - baud = simple_strtoul(s, &p, 10); - s = p; - if (*s == ',') - s++; - if (*s) - parity = *s++; - if (*s == ',') - s++; - if (*s) - bits = *s++; - if (*s == ',') - s++; - if (*s == 'h') - flow = 'r'; - } - - if (baud == 0) - baud = 38400; - if (parity != 'n' && parity != 'o' && parity != 'e') - parity = 'n'; - if (bits != '7' && bits != '8') - bits = '8'; - - if (flow == 'r') - sprintf(console_string, " console=ttyS0,%d%c%c%c", baud, - parity, bits, flow); - else - sprintf(console_string, " console=ttyS0,%d%c%c", baud, parity, - bits); - strlcat(arcs_cmdline, console_string, COMMAND_LINE_SIZE); -#endif -} - -void __init prom_init(void) -{ - ar7_init_cmdline(fw_arg0, (char **)fw_arg1); - ar7_init_env((struct env_var *)fw_arg2); - console_config(); -} - -#define PORT(offset) (KSEG1ADDR(AR7_REGS_UART0 + (offset * 4))) -static inline unsigned int serial_in(int offset) -{ - return readl((void *)PORT(offset)); -} - -static inline void serial_out(int offset, int value) -{ - writel(value, (void *)PORT(offset)); -} - -void prom_putchar(char c) -{ - while ((serial_in(UART_LSR) & UART_LSR_TEMT) == 0) - ; - serial_out(UART_TX, c); -} diff --git a/arch/mips/ar7/setup.c b/arch/mips/ar7/setup.c deleted file mode 100644 index 352d5dbc777c..000000000000 --- a/arch/mips/ar7/setup.c +++ /dev/null @@ -1,93 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/pm.h> -#include <linux/time.h> - -#include <asm/reboot.h> -#include <asm/mach-ar7/ar7.h> -#include <asm/mach-ar7/prom.h> - -static void ar7_machine_restart(char *command) -{ - u32 *softres_reg = ioremap(AR7_REGS_RESET + AR7_RESET_SOFTWARE, 1); - - writel(1, softres_reg); -} - -static void ar7_machine_halt(void) -{ - while (1) - ; -} - -static void ar7_machine_power_off(void) -{ - u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1); - u32 power_state = readl(power_reg) | (3 << 30); - - writel(power_state, power_reg); - ar7_machine_halt(); -} - -const char *get_system_type(void) -{ - u16 chip_id = ar7_chip_id(); - u16 titan_variant_id = titan_chip_id(); - - switch (chip_id) { - case AR7_CHIP_7100: - return "TI AR7 (TNETD7100)"; - case AR7_CHIP_7200: - return "TI AR7 (TNETD7200)"; - case AR7_CHIP_7300: - return "TI AR7 (TNETD7300)"; - case AR7_CHIP_TITAN: - switch (titan_variant_id) { - case TITAN_CHIP_1050: - return "TI AR7 (TNETV1050)"; - case TITAN_CHIP_1055: - return "TI AR7 (TNETV1055)"; - case TITAN_CHIP_1056: - return "TI AR7 (TNETV1056)"; - case TITAN_CHIP_1060: - return "TI AR7 (TNETV1060)"; - } - fallthrough; - default: - return "TI AR7 (unknown)"; - } -} - -static int __init ar7_init_console(void) -{ - return 0; -} -console_initcall(ar7_init_console); - -/* - * Initializes basic routines and structures pointers, memory size (as - * given by the bios and saves the command line. - */ -void __init plat_mem_setup(void) -{ - unsigned long io_base; - - _machine_restart = ar7_machine_restart; - _machine_halt = ar7_machine_halt; - pm_power_off = ar7_machine_power_off; - - io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000); - if (!io_base) - panic("Can't remap IO base!"); - set_io_port_base(io_base); - - prom_meminit(); - - printk(KERN_INFO "%s, ID: 0x%04x, Revision: 0x%02x\n", - get_system_type(), ar7_chip_id(), ar7_chip_rev()); -} diff --git a/arch/mips/ar7/time.c b/arch/mips/ar7/time.c deleted file mode 100644 index 72aa77d7087b..000000000000 --- a/arch/mips/ar7/time.c +++ /dev/null @@ -1,31 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * Setting up the clock on the MIPS boards. - */ - -#include <linux/init.h> -#include <linux/time.h> -#include <linux/err.h> -#include <linux/clk.h> - -#include <asm/time.h> -#include <asm/mach-ar7/ar7.h> - -void __init plat_time_init(void) -{ - struct clk *cpu_clk; - - /* Initialize ar7 clocks so the CPU clock frequency is correct */ - ar7_init_clocks(); - - cpu_clk = clk_get(NULL, "cpu"); - if (IS_ERR(cpu_clk)) { - printk(KERN_ERR "unable to get cpu clock\n"); - return; - } - - mips_hpt_frequency = clk_get_rate(cpu_clk) / 2; -} diff --git a/arch/mips/boot/compressed/uart-16550.c b/arch/mips/boot/compressed/uart-16550.c index 96d28f211121..09dcd2c561d9 100644 --- a/arch/mips/boot/compressed/uart-16550.c +++ b/arch/mips/boot/compressed/uart-16550.c @@ -13,11 +13,6 @@ #define PORT(offset) (CKSEG1ADDR(UART_BASE) + (offset)) #endif -#ifdef CONFIG_AR7 -#include <ar7.h> -#define PORT(offset) (CKSEG1ADDR(AR7_REGS_UART0) + (4 * offset)) -#endif - #ifdef CONFIG_MACH_INGENIC #define INGENIC_UART_BASE_ADDR (0x10030000 + 0x1000 * CONFIG_ZBOOT_INGENIC_UART) #define PORT(offset) (CKSEG1ADDR(INGENIC_UART_BASE_ADDR) + (4 * offset)) diff --git a/arch/mips/boot/dts/ingenic/jz4725b.dtsi b/arch/mips/boot/dts/ingenic/jz4725b.dtsi index acbbe8c4664c..c5c5a094c37d 100644 --- a/arch/mips/boot/dts/ingenic/jz4725b.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4725b.dtsi @@ -366,7 +366,6 @@ rom: memory@1fc00000 { compatible = "mtd-rom"; - probe-type = "map_rom"; reg = <0x1fc00000 0x2000>; bank-width = <4>; diff --git a/arch/mips/boot/dts/ingenic/jz4770.dtsi b/arch/mips/boot/dts/ingenic/jz4770.dtsi index 9c0099919db7..504e895e916e 100644 --- a/arch/mips/boot/dts/ingenic/jz4770.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4770.dtsi @@ -461,7 +461,6 @@ rom: memory@1fc00000 { compatible = "mtd-rom"; - probe-type = "map_rom"; reg = <0x1fc00000 0x2000>; bank-width = <4>; diff --git a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts index 129b6710b699..f9c262cc2e96 100644 --- a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts +++ b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts @@ -8,7 +8,7 @@ / { compatible = "gnubee,gb-pc1", "mediatek,mt7621-soc"; - model = "GB-PC1"; + model = "GnuBee GB-PC1"; memory@0 { device_type = "memory"; diff --git a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts index f810cd10f4f4..b281e13f22ed 100644 --- a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts +++ b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts @@ -8,7 +8,7 @@ / { compatible = "gnubee,gb-pc2", "mediatek,mt7621-soc"; - model = "GB-PC2"; + model = "GnuBee GB-PC2"; memory@0 { device_type = "memory"; diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi index 7caed0d14f11..35a10258f235 100644 --- a/arch/mips/boot/dts/ralink/mt7621.dtsi +++ b/arch/mips/boot/dts/ralink/mt7621.dtsi @@ -300,14 +300,13 @@ compatible = "mediatek,mt7621-eth"; reg = <0x1e100000 0x10000>; - clocks = <&sysc MT7621_CLK_FE>, - <&sysc MT7621_CLK_ETH>; + clocks = <&sysc MT7621_CLK_FE>, <&sysc MT7621_CLK_ETH>; clock-names = "fe", "ethif"; #address-cells = <1>; #size-cells = <0>; - resets = <&sysc MT7621_RST_FE &sysc MT7621_RST_ETH>; + resets = <&sysc MT7621_RST_FE>, <&sysc MT7621_RST_ETH>; reset-names = "fe", "eth"; interrupt-parent = <&gic>; diff --git a/arch/mips/configs/ar7_defconfig b/arch/mips/configs/ar7_defconfig deleted file mode 100644 index 329c60aa570a..000000000000 --- a/arch/mips/configs/ar7_defconfig +++ /dev/null @@ -1,119 +0,0 @@ -# CONFIG_LOCALVERSION_AUTO is not set -CONFIG_KERNEL_LZMA=y -CONFIG_SYSVIPC=y -CONFIG_HIGH_RES_TIMERS=y -CONFIG_BSD_PROCESS_ACCT=y -CONFIG_LOG_BUF_SHIFT=14 -CONFIG_RELAY=y -CONFIG_BLK_DEV_INITRD=y -CONFIG_EXPERT=y -# CONFIG_ELF_CORE is not set -# CONFIG_KALLSYMS is not set -# CONFIG_VM_EVENT_COUNTERS is not set -# CONFIG_COMPAT_BRK is not set -CONFIG_AR7=y -CONFIG_HZ_100=y -CONFIG_KEXEC=y -# CONFIG_SECCOMP is not set -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -# CONFIG_BLK_DEV_BSG is not set -CONFIG_PARTITION_ADVANCED=y -CONFIG_BSD_DISKLABEL=y -CONFIG_NET=y -CONFIG_PACKET=y -CONFIG_UNIX=y -CONFIG_INET=y -CONFIG_IP_MULTICAST=y -CONFIG_IP_ADVANCED_ROUTER=y -CONFIG_IP_MULTIPLE_TABLES=y -CONFIG_IP_ROUTE_MULTIPATH=y -CONFIG_IP_ROUTE_VERBOSE=y -CONFIG_IP_MROUTE=y -CONFIG_SYN_COOKIES=y -# CONFIG_INET_DIAG is not set -CONFIG_TCP_CONG_ADVANCED=y -# CONFIG_TCP_CONG_BIC is not set -# CONFIG_TCP_CONG_CUBIC is not set -CONFIG_TCP_CONG_WESTWOOD=y -# CONFIG_TCP_CONG_HTCP is not set -# CONFIG_IPV6 is not set -CONFIG_NETFILTER=y -# CONFIG_BRIDGE_NETFILTER is not set -CONFIG_NF_CONNTRACK=m -CONFIG_NF_CONNTRACK_MARK=y -CONFIG_NF_CONNTRACK_FTP=m -CONFIG_NF_CONNTRACK_IRC=m -CONFIG_NF_CONNTRACK_TFTP=m -CONFIG_NETFILTER_XT_TARGET_TCPMSS=m -CONFIG_NETFILTER_XT_MATCH_LIMIT=m -CONFIG_NETFILTER_XT_MATCH_MAC=m -CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m -CONFIG_NETFILTER_XT_MATCH_STATE=m -CONFIG_IP_NF_IPTABLES=m -CONFIG_IP_NF_FILTER=m -CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_MANGLE=m -CONFIG_IP_NF_RAW=m -CONFIG_ATM=m -CONFIG_ATM_BR2684=m -CONFIG_ATM_BR2684_IPFILTER=y -CONFIG_BRIDGE=y -CONFIG_VLAN_8021Q=y -CONFIG_NET_SCHED=y -CONFIG_NET_CLS_ACT=y -CONFIG_NET_ACT_POLICE=y -CONFIG_HAMRADIO=y -CONFIG_CFG80211=m -CONFIG_MAC80211=m -CONFIG_MTD=y -CONFIG_MTD_BLOCK=y -CONFIG_MTD_CFI=y -CONFIG_MTD_CFI_INTELEXT=y -CONFIG_MTD_CFI_AMDSTD=y -CONFIG_MTD_CFI_STAA=y -CONFIG_MTD_COMPLEX_MAPPINGS=y -CONFIG_MTD_PHYSMAP=y -CONFIG_NETDEVICES=y -CONFIG_CPMAC=y -CONFIG_FIXED_PHY=y -CONFIG_PPP=m -CONFIG_PPP_FILTER=y -CONFIG_PPP_MULTILINK=y -CONFIG_PPPOATM=m -CONFIG_PPPOE=m -CONFIG_PPP_ASYNC=m -# CONFIG_INPUT is not set -# CONFIG_SERIO is not set -# CONFIG_VT is not set -# CONFIG_LEGACY_PTYS is not set -CONFIG_SERIAL_8250=y -CONFIG_SERIAL_8250_CONSOLE=y -CONFIG_SERIAL_8250_NR_UARTS=2 -CONFIG_SERIAL_8250_RUNTIME_UARTS=2 -CONFIG_HW_RANDOM=y -CONFIG_GPIO_SYSFS=y -# CONFIG_HWMON is not set -CONFIG_WATCHDOG=y -CONFIG_AR7_WDT=y -# CONFIG_USB_SUPPORT is not set -CONFIG_NEW_LEDS=y -CONFIG_LEDS_CLASS=y -CONFIG_LEDS_GPIO=y -CONFIG_LEDS_TRIGGERS=y -CONFIG_LEDS_TRIGGER_TIMER=y -CONFIG_LEDS_TRIGGER_HEARTBEAT=y -CONFIG_LEDS_TRIGGER_DEFAULT_ON=y -# CONFIG_DNOTIFY is not set -CONFIG_PROC_KCORE=y -# CONFIG_PROC_PAGE_MONITOR is not set -CONFIG_TMPFS=y -CONFIG_JFFS2_FS=y -CONFIG_JFFS2_SUMMARY=y -CONFIG_JFFS2_COMPRESSION_OPTIONS=y -CONFIG_SQUASHFS=y -# CONFIG_CRYPTO_HW is not set -CONFIG_STRIP_ASM_SYMS=y -CONFIG_DEBUG_FS=y -CONFIG_CMDLINE_BOOL=y -CONFIG_CMDLINE="rootfstype=squashfs,jffs2" diff --git a/arch/mips/configs/fuloong2e_defconfig b/arch/mips/configs/fuloong2e_defconfig index 1843468f84a3..00329bb5de5a 100644 --- a/arch/mips/configs/fuloong2e_defconfig +++ b/arch/mips/configs/fuloong2e_defconfig @@ -177,7 +177,6 @@ CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y CONFIG_EXT4_FS_POSIX_ACL=y CONFIG_EXT4_FS_SECURITY=y -CONFIG_REISERFS_FS=m CONFIG_AUTOFS_FS=y CONFIG_FUSE_FS=y CONFIG_ISO9660_FS=m diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig index fdf374574105..65adb538030d 100644 --- a/arch/mips/configs/jazz_defconfig +++ b/arch/mips/configs/jazz_defconfig @@ -70,10 +70,6 @@ CONFIG_FRAMEBUFFER_CONSOLE=y # CONFIG_HWMON is not set CONFIG_EXT2_FS=m CONFIG_EXT3_FS=y -CONFIG_REISERFS_FS=m -CONFIG_REISERFS_FS_XATTR=y -CONFIG_REISERFS_FS_POSIX_ACL=y -CONFIG_REISERFS_FS_SECURITY=y CONFIG_XFS_FS=m CONFIG_XFS_QUOTA=y CONFIG_AUTOFS_FS=m diff --git a/arch/mips/configs/lemote2f_defconfig b/arch/mips/configs/lemote2f_defconfig index 83d9a8ff4270..38f17b658421 100644 --- a/arch/mips/configs/lemote2f_defconfig +++ b/arch/mips/configs/lemote2f_defconfig @@ -229,9 +229,6 @@ CONFIG_EXT2_FS=m CONFIG_EXT3_FS=y CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_EXT3_FS_SECURITY=y -CONFIG_REISERFS_FS=m -CONFIG_REISERFS_PROC_INFO=y -CONFIG_REISERFS_FS_XATTR=y CONFIG_JFS_FS=m CONFIG_JFS_POSIX_ACL=y CONFIG_XFS_FS=m diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig index ae1a7793e810..6f8046024557 100644 --- a/arch/mips/configs/malta_defconfig +++ b/arch/mips/configs/malta_defconfig @@ -317,11 +317,6 @@ CONFIG_UIO=m CONFIG_UIO_CIF=m CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y -CONFIG_REISERFS_FS=m -CONFIG_REISERFS_PROC_INFO=y -CONFIG_REISERFS_FS_XATTR=y -CONFIG_REISERFS_FS_POSIX_ACL=y -CONFIG_REISERFS_FS_SECURITY=y CONFIG_JFS_FS=m CONFIG_JFS_POSIX_ACL=y CONFIG_JFS_SECURITY=y diff --git a/arch/mips/configs/malta_kvm_defconfig b/arch/mips/configs/malta_kvm_defconfig index c07e30f63d8b..16a91eeff67f 100644 --- a/arch/mips/configs/malta_kvm_defconfig +++ b/arch/mips/configs/malta_kvm_defconfig @@ -323,11 +323,6 @@ CONFIG_UIO=m CONFIG_UIO_CIF=m CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y -CONFIG_REISERFS_FS=m -CONFIG_REISERFS_PROC_INFO=y -CONFIG_REISERFS_FS_XATTR=y -CONFIG_REISERFS_FS_POSIX_ACL=y -CONFIG_REISERFS_FS_SECURITY=y CONFIG_JFS_FS=m CONFIG_JFS_POSIX_ACL=y CONFIG_JFS_SECURITY=y diff --git a/arch/mips/configs/maltaup_xpa_defconfig b/arch/mips/configs/maltaup_xpa_defconfig index 0a5701020d3f..264aba29ea4f 100644 --- a/arch/mips/configs/maltaup_xpa_defconfig +++ b/arch/mips/configs/maltaup_xpa_defconfig @@ -323,11 +323,6 @@ CONFIG_UIO=m CONFIG_UIO_CIF=m CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y -CONFIG_REISERFS_FS=m -CONFIG_REISERFS_PROC_INFO=y -CONFIG_REISERFS_FS_XATTR=y -CONFIG_REISERFS_FS_POSIX_ACL=y -CONFIG_REISERFS_FS_SECURITY=y CONFIG_JFS_FS=m CONFIG_JFS_POSIX_ACL=y CONFIG_JFS_SECURITY=y diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig index 5c5e2186210c..08e1c1f2f4de 100644 --- a/arch/mips/configs/rm200_defconfig +++ b/arch/mips/configs/rm200_defconfig @@ -310,10 +310,6 @@ CONFIG_USB_LD=m CONFIG_USB_TEST=m CONFIG_EXT2_FS=m CONFIG_EXT3_FS=y -CONFIG_REISERFS_FS=m -CONFIG_REISERFS_FS_XATTR=y -CONFIG_REISERFS_FS_POSIX_ACL=y -CONFIG_REISERFS_FS_SECURITY=y CONFIG_XFS_FS=m CONFIG_XFS_QUOTA=y CONFIG_AUTOFS_FS=m diff --git a/arch/mips/include/asm/mach-ar7/ar7.h b/arch/mips/include/asm/mach-ar7/ar7.h deleted file mode 100644 index 1e8621a6afa3..000000000000 --- a/arch/mips/include/asm/mach-ar7/ar7.h +++ /dev/null @@ -1,191 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org> - */ - -#ifndef __AR7_H__ -#define __AR7_H__ - -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/errno.h> - -#include <asm/addrspace.h> - -#define AR7_SDRAM_BASE 0x14000000 - -#define AR7_REGS_BASE 0x08610000 - -#define AR7_REGS_MAC0 (AR7_REGS_BASE + 0x0000) -#define AR7_REGS_GPIO (AR7_REGS_BASE + 0x0900) -/* 0x08610A00 - 0x08610BFF (512 bytes, 128 bytes / clock) */ -#define AR7_REGS_POWER (AR7_REGS_BASE + 0x0a00) -#define AR7_REGS_CLOCKS (AR7_REGS_POWER + 0x80) -#define UR8_REGS_CLOCKS (AR7_REGS_POWER + 0x20) -#define AR7_REGS_UART0 (AR7_REGS_BASE + 0x0e00) -#define AR7_REGS_USB (AR7_REGS_BASE + 0x1200) -#define AR7_REGS_RESET (AR7_REGS_BASE + 0x1600) -#define AR7_REGS_PINSEL (AR7_REGS_BASE + 0x160C) -#define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800) -#define AR7_REGS_DCL (AR7_REGS_BASE + 0x1a00) -#define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1c00) -#define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00) -#define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400) -#define AR7_REGS_MAC1 (AR7_REGS_BASE + 0x2800) - -#define AR7_REGS_WDT (AR7_REGS_BASE + 0x1f00) -#define UR8_REGS_WDT (AR7_REGS_BASE + 0x0b00) -#define UR8_REGS_UART1 (AR7_REGS_BASE + 0x0f00) - -/* Titan registers */ -#define TITAN_REGS_ESWITCH_BASE (0x08640000) -#define TITAN_REGS_MAC0 (TITAN_REGS_ESWITCH_BASE) -#define TITAN_REGS_MAC1 (TITAN_REGS_ESWITCH_BASE + 0x0800) -#define TITAN_REGS_MDIO (TITAN_REGS_ESWITCH_BASE + 0x02000) -#define TITAN_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1c00) -#define TITAN_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1300) - -#define AR7_RESET_PERIPHERAL 0x0 -#define AR7_RESET_SOFTWARE 0x4 -#define AR7_RESET_STATUS 0x8 - -#define AR7_RESET_BIT_CPMAC_LO 17 -#define AR7_RESET_BIT_CPMAC_HI 21 -#define AR7_RESET_BIT_MDIO 22 -#define AR7_RESET_BIT_EPHY 26 - -#define TITAN_RESET_BIT_EPHY1 28 - -/* GPIO control registers */ -#define AR7_GPIO_INPUT 0x0 -#define AR7_GPIO_OUTPUT 0x4 -#define AR7_GPIO_DIR 0x8 -#define AR7_GPIO_ENABLE 0xc -#define TITAN_GPIO_INPUT_0 0x0 -#define TITAN_GPIO_INPUT_1 0x4 -#define TITAN_GPIO_OUTPUT_0 0x8 -#define TITAN_GPIO_OUTPUT_1 0xc -#define TITAN_GPIO_DIR_0 0x10 -#define TITAN_GPIO_DIR_1 0x14 -#define TITAN_GPIO_ENBL_0 0x18 -#define TITAN_GPIO_ENBL_1 0x1c - -#define AR7_CHIP_7100 0x18 -#define AR7_CHIP_7200 0x2b -#define AR7_CHIP_7300 0x05 -#define AR7_CHIP_TITAN 0x07 -#define TITAN_CHIP_1050 0x0f -#define TITAN_CHIP_1055 0x0e -#define TITAN_CHIP_1056 0x0d -#define TITAN_CHIP_1060 0x07 - -/* Interrupts */ -#define AR7_IRQ_UART0 15 -#define AR7_IRQ_UART1 16 - -/* Clocks */ -#define AR7_AFE_CLOCK 35328000 -#define AR7_REF_CLOCK 25000000 -#define AR7_XTAL_CLOCK 24000000 - -/* DCL */ -#define AR7_WDT_HW_ENA 0x10 - -struct plat_cpmac_data { - int reset_bit; - int power_bit; - u32 phy_mask; - char dev_addr[6]; -}; - -struct plat_dsl_data { - int reset_bit_dsl; - int reset_bit_sar; -}; - -static inline int ar7_is_titan(void) -{ - return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x24)) & 0xffff) == - AR7_CHIP_TITAN; -} - -static inline u16 ar7_chip_id(void) -{ - return ar7_is_titan() ? AR7_CHIP_TITAN : (readl((void *) - KSEG1ADDR(AR7_REGS_GPIO + 0x14)) & 0xffff); -} - -static inline u16 titan_chip_id(void) -{ - unsigned int val = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + - TITAN_GPIO_INPUT_1)); - return ((val >> 12) & 0x0f); -} - -static inline u8 ar7_chip_rev(void) -{ - return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + (ar7_is_titan() ? 0x24 : - 0x14))) >> 16) & 0xff; -} - -static inline int ar7_has_high_cpmac(void) -{ - u16 chip_id = ar7_chip_id(); - switch (chip_id) { - case AR7_CHIP_7100: - case AR7_CHIP_7200: - return 0; - case AR7_CHIP_7300: - return 1; - default: - return -ENXIO; - } -} -#define ar7_has_high_vlynq ar7_has_high_cpmac -#define ar7_has_second_uart ar7_has_high_cpmac - -static inline void ar7_device_enable(u32 bit) -{ - void *reset_reg = - (void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PERIPHERAL); - writel(readl(reset_reg) | (1 << bit), reset_reg); - msleep(20); -} - -static inline void ar7_device_disable(u32 bit) -{ - void *reset_reg = - (void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PERIPHERAL); - writel(readl(reset_reg) & ~(1 << bit), reset_reg); - msleep(20); -} - -static inline void ar7_device_reset(u32 bit) -{ - ar7_device_disable(bit); - ar7_device_enable(bit); -} - -static inline void ar7_device_on(u32 bit) -{ - void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER); - writel(readl(power_reg) | (1 << bit), power_reg); - msleep(20); -} - -static inline void ar7_device_off(u32 bit) -{ - void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER); - writel(readl(power_reg) & ~(1 << bit), power_reg); - msleep(20); -} - -int __init ar7_gpio_init(void); -void __init ar7_init_clocks(void); - -/* Board specific GPIO functions */ -int ar7_gpio_enable(unsigned gpio); -int ar7_gpio_disable(unsigned gpio); - -#endif /* __AR7_H__ */ diff --git a/arch/mips/include/asm/mach-ar7/irq.h b/arch/mips/include/asm/mach-ar7/irq.h deleted file mode 100644 index 46bb730ea970..000000000000 --- a/arch/mips/include/asm/mach-ar7/irq.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Shamelessly copied from asm-mips/mach-emma2rh/ - * Copyright (C) 2003 by Ralf Baechle - */ -#ifndef __ASM_AR7_IRQ_H -#define __ASM_AR7_IRQ_H - -#define NR_IRQS 256 - -#include <asm/mach-generic/irq.h> - -#endif /* __ASM_AR7_IRQ_H */ diff --git a/arch/mips/include/asm/mach-ar7/prom.h b/arch/mips/include/asm/mach-ar7/prom.h deleted file mode 100644 index 9e1d20b06f57..000000000000 --- a/arch/mips/include/asm/mach-ar7/prom.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2006, 2007 Florian Fainelli <florian@openwrt.org> - */ - -#ifndef __PROM_H__ -#define __PROM_H__ - -extern char *prom_getenv(const char *name); -extern void prom_meminit(void); - -#endif /* __PROM_H__ */ diff --git a/arch/mips/include/asm/mach-ar7/spaces.h b/arch/mips/include/asm/mach-ar7/spaces.h deleted file mode 100644 index a004d94dfbdd..000000000000 --- a/arch/mips/include/asm/mach-ar7/spaces.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1994 - 1999, 2000, 03, 04 Ralf Baechle - * Copyright (C) 2000, 2002 Maciej W. Rozycki - * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc. - */ -#ifndef _ASM_AR7_SPACES_H -#define _ASM_AR7_SPACES_H - -/* - * This handles the memory map. - * We handle pages at KSEG0 for kernels with 32 bit address space. - */ -#define PAGE_OFFSET _AC(0x94000000, UL) -#define PHYS_OFFSET _AC(0x14000000, UL) - -#include <asm/mach-generic/spaces.h> - -#endif /* __ASM_AR7_SPACES_H */ diff --git a/arch/mips/include/asm/mach-loongson32/dma.h b/arch/mips/include/asm/mach-loongson32/dma.h deleted file mode 100644 index e917b3ccb2c2..000000000000 --- a/arch/mips/include/asm/mach-loongson32/dma.h +++ /dev/null @@ -1,21 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (c) 2015 Zhang, Keguang <keguang.zhang@gmail.com> - * - * Loongson 1 NAND platform support. - */ - -#ifndef __ASM_MACH_LOONGSON32_DMA_H -#define __ASM_MACH_LOONGSON32_DMA_H - -#define LS1X_DMA_CHANNEL0 0 -#define LS1X_DMA_CHANNEL1 1 -#define LS1X_DMA_CHANNEL2 2 - -struct plat_ls1x_dma { - int nr_channels; -}; - -extern struct plat_ls1x_dma ls1b_dma_pdata; - -#endif /* __ASM_MACH_LOONGSON32_DMA_H */ diff --git a/arch/mips/include/asm/mach-loongson32/nand.h b/arch/mips/include/asm/mach-loongson32/nand.h deleted file mode 100644 index aaf5ed19d78d..000000000000 --- a/arch/mips/include/asm/mach-loongson32/nand.h +++ /dev/null @@ -1,26 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (c) 2015 Zhang, Keguang <keguang.zhang@gmail.com> - * - * Loongson 1 NAND platform support. - */ - -#ifndef __ASM_MACH_LOONGSON32_NAND_H -#define __ASM_MACH_LOONGSON32_NAND_H - -#include <linux/dmaengine.h> -#include <linux/mtd/partitions.h> - -struct plat_ls1x_nand { - struct mtd_partition *parts; - unsigned int nr_parts; - - int hold_cycle; - int wait_cycle; -}; - -extern struct plat_ls1x_nand ls1b_nand_pdata; - -bool ls1x_dma_filter_fn(struct dma_chan *chan, void *param); - -#endif /* __ASM_MACH_LOONGSON32_NAND_H */ diff --git a/arch/mips/include/asm/mach-loongson32/platform.h b/arch/mips/include/asm/mach-loongson32/platform.h index 2cdcfb5f6012..f74292b13bc3 100644 --- a/arch/mips/include/asm/mach-loongson32/platform.h +++ b/arch/mips/include/asm/mach-loongson32/platform.h @@ -8,9 +8,6 @@ #include <linux/platform_device.h> -#include <dma.h> -#include <nand.h> - extern struct platform_device ls1x_uart_pdev; extern struct platform_device ls1x_eth0_pdev; extern struct platform_device ls1x_eth1_pdev; diff --git a/arch/mips/kernel/relocate_kernel.S b/arch/mips/kernel/relocate_kernel.S index f5b2ef979b43..8f0a7263a9d6 100644 --- a/arch/mips/kernel/relocate_kernel.S +++ b/arch/mips/kernel/relocate_kernel.S @@ -66,7 +66,6 @@ copy_word: LONG_ADDIU s6, s6, -1 beq s6, zero, process_entry b copy_word - b process_entry done: #ifdef CONFIG_SMP diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c index 8075590a9f83..623eb4bc7b41 100644 --- a/arch/mips/loongson32/common/platform.c +++ b/arch/mips/loongson32/common/platform.c @@ -15,8 +15,6 @@ #include <platform.h> #include <loongson1.h> -#include <dma.h> -#include <nand.h> /* 8250/16550 compatible UART */ #define LS1X_UART(_id) \ diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c index fed8d432ef20..fe115bdcb22c 100644 --- a/arch/mips/loongson32/ls1b/board.c +++ b/arch/mips/loongson32/ls1b/board.c @@ -8,8 +8,6 @@ #include <linux/sizes.h> #include <loongson1.h> -#include <dma.h> -#include <nand.h> #include <platform.h> static const struct gpio_led ls1x_gpio_leds[] __initconst = { diff --git a/arch/mips/pci/fixup-lantiq.c b/arch/mips/pci/fixup-lantiq.c index 105569c1b712..13009666204f 100644 --- a/arch/mips/pci/fixup-lantiq.c +++ b/arch/mips/pci/fixup-lantiq.c @@ -4,8 +4,8 @@ * Copyright (C) 2012 John Crispin <john@phrozen.org> */ -#include <linux/of_irq.h> #include <linux/of_pci.h> +#include <linux/pci.h> int (*ltq_pci_plat_arch_init)(struct pci_dev *dev) = NULL; int (*ltq_pci_plat_dev_init)(struct pci_dev *dev) = NULL; diff --git a/drivers/Kconfig b/drivers/Kconfig index 9826907eb06e..7bdad836fc62 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -135,8 +135,6 @@ source "drivers/uio/Kconfig" source "drivers/vfio/Kconfig" -source "drivers/vlynq/Kconfig" - source "drivers/virt/Kconfig" source "drivers/virtio/Kconfig" diff --git a/drivers/Makefile b/drivers/Makefile index 722d15be0eb7..d828329c268d 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -151,7 +151,6 @@ obj-$(CONFIG_BCMA) += bcma/ obj-$(CONFIG_VHOST_RING) += vhost/ obj-$(CONFIG_VHOST_IOTLB) += vhost/ obj-$(CONFIG_VHOST) += vhost/ -obj-$(CONFIG_VLYNQ) += vlynq/ obj-$(CONFIG_GREYBUS) += greybus/ obj-$(CONFIG_COMEDI) += comedi/ obj-$(CONFIG_STAGING) += staging/ diff --git a/drivers/mtd/parsers/Kconfig b/drivers/mtd/parsers/Kconfig index 60738edcd5d5..da03ab6efe04 100644 --- a/drivers/mtd/parsers/Kconfig +++ b/drivers/mtd/parsers/Kconfig @@ -1,9 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -config MTD_AR7_PARTS - tristate "TI AR7 partitioning parser" - help - TI AR7 partitioning parser support - config MTD_BCM47XX_PARTS tristate "BCM47XX partitioning parser" depends on BCM47XX || ARCH_BCM_5301X diff --git a/drivers/mtd/parsers/Makefile b/drivers/mtd/parsers/Makefile index 0e70b621a1d8..9b00c62b837a 100644 --- a/drivers/mtd/parsers/Makefile +++ b/drivers/mtd/parsers/Makefile @@ -1,5 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o obj-$(CONFIG_MTD_BCM47XX_PARTS) += bcm47xxpart.o obj-$(CONFIG_MTD_BCM63XX_PARTS) += bcm63xxpart.o obj-$(CONFIG_MTD_BRCM_U_BOOT) += brcm_u-boot.o diff --git a/drivers/mtd/parsers/ar7part.c b/drivers/mtd/parsers/ar7part.c deleted file mode 100644 index 8cd683711ac6..000000000000 --- a/drivers/mtd/parsers/ar7part.c +++ /dev/null @@ -1,129 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright © 2007 Eugene Konev <ejka@openwrt.org> - * - * TI AR7 flash partition table. - * Based on ar7 map by Felix Fietkau <nbd@openwrt.org> - */ - -#include <linux/kernel.h> -#include <linux/slab.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/memblock.h> -#include <linux/module.h> - -#include <uapi/linux/magic.h> - -#define AR7_PARTS 4 -#define ROOT_OFFSET 0xe0000 - -#define LOADER_MAGIC1 le32_to_cpu(0xfeedfa42) -#define LOADER_MAGIC2 le32_to_cpu(0xfeed1281) - -struct ar7_bin_rec { - unsigned int checksum; - unsigned int length; - unsigned int address; -}; - -static int create_mtd_partitions(struct mtd_info *master, - const struct mtd_partition **pparts, - struct mtd_part_parser_data *data) -{ - struct ar7_bin_rec header; - unsigned int offset; - size_t len; - unsigned int pre_size = master->erasesize, post_size = 0; - unsigned int root_offset = ROOT_OFFSET; - - int retries = 10; - struct mtd_partition *ar7_parts; - - ar7_parts = kcalloc(AR7_PARTS, sizeof(*ar7_parts), GFP_KERNEL); - if (!ar7_parts) - return -ENOMEM; - ar7_parts[0].name = "loader"; - ar7_parts[0].offset = 0; - ar7_parts[0].size = master->erasesize; - ar7_parts[0].mask_flags = MTD_WRITEABLE; - - ar7_parts[1].name = "config"; - ar7_parts[1].offset = 0; - ar7_parts[1].size = master->erasesize; - ar7_parts[1].mask_flags = 0; - - do { /* Try 10 blocks starting from master->erasesize */ - offset = pre_size; - mtd_read(master, offset, sizeof(header), &len, - (uint8_t *)&header); - if (!strncmp((char *)&header, "TIENV0.8", 8)) - ar7_parts[1].offset = pre_size; - if (header.checksum == LOADER_MAGIC1) - break; - if (header.checksum == LOADER_MAGIC2) - break; - pre_size += master->erasesize; - } while (retries--); - - pre_size = offset; - - if (!ar7_parts[1].offset) { - ar7_parts[1].offset = master->size - master->erasesize; - post_size = master->erasesize; - } - - switch (header.checksum) { - case LOADER_MAGIC1: - while (header.length) { - offset += sizeof(header) + header.length; - mtd_read(master, offset, sizeof(header), &len, - (uint8_t *)&header); - } - root_offset = offset + sizeof(header) + 4; - break; - case LOADER_MAGIC2: - while (header.length) { - offset += sizeof(header) + header.length; - mtd_read(master, offset, sizeof(header), &len, - (uint8_t *)&header); - } - root_offset = offset + sizeof(header) + 4 + 0xff; - root_offset &= ~(uint32_t)0xff; - break; - default: - printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum); - break; - } - - mtd_read(master, root_offset, sizeof(header), &len, (u8 *)&header); - if (header.checksum != SQUASHFS_MAGIC) { - root_offset += master->erasesize - 1; - root_offset &= ~(master->erasesize - 1); - } - - ar7_parts[2].name = "linux"; - ar7_parts[2].offset = pre_size; - ar7_parts[2].size = master->size - pre_size - post_size; - ar7_parts[2].mask_flags = 0; - - ar7_parts[3].name = "rootfs"; - ar7_parts[3].offset = root_offset; - ar7_parts[3].size = master->size - root_offset - post_size; - ar7_parts[3].mask_flags = 0; - - *pparts = ar7_parts; - return AR7_PARTS; -} - -static struct mtd_part_parser ar7_parser = { - .parse_fn = create_mtd_partitions, - .name = "ar7part", -}; -module_mtd_part_parser(ar7_parser); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR( "Felix Fietkau <nbd@openwrt.org>, " - "Eugene Konev <ejka@openwrt.org>"); -MODULE_DESCRIPTION("MTD partitioning for TI AR7"); diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 925ee1d61afb..8ca061d3bbb9 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -170,13 +170,6 @@ static const struct serial8250_config uart_config[] = { .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, .flags = UART_CAP_FIFO, }, - [PORT_AR7] = { - .name = "AR7", - .fifo_size = 16, - .tx_loadsz = 16, - .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00, - .flags = UART_CAP_FIFO /* | UART_CAP_AFE */, - }, [PORT_U6_16550A] = { .name = "U6_16550A", .fifo_size = 64, diff --git a/drivers/vlynq/Kconfig b/drivers/vlynq/Kconfig deleted file mode 100644 index e7f9492a0b04..000000000000 --- a/drivers/vlynq/Kconfig +++ /dev/null @@ -1,21 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -menu "TI VLYNQ" - depends on AR7 - -config VLYNQ - bool "TI VLYNQ bus support" - help - Support for Texas Instruments(R) VLYNQ bus. - The VLYNQ bus is a high-speed, serial and packetized - data bus which allows external peripherals of a SoC - to appear into the system's main memory. - - If unsure, say N - -config VLYNQ_DEBUG - bool "VLYNQ bus debug" - depends on VLYNQ && DEBUG_KERNEL - help - Turn on VLYNQ bus debugging. - -endmenu diff --git a/drivers/vlynq/Makefile b/drivers/vlynq/Makefile deleted file mode 100644 index d9ce5b2b5ce0..000000000000 --- a/drivers/vlynq/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for kernel vlynq drivers -# - -obj-$(CONFIG_VLYNQ) += vlynq.o diff --git a/drivers/vlynq/vlynq.c b/drivers/vlynq/vlynq.c deleted file mode 100644 index 4af6615808cc..000000000000 --- a/drivers/vlynq/vlynq.c +++ /dev/null @@ -1,799 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2006, 2007 Eugene Konev <ejka@openwrt.org> - * - * Parts of the VLYNQ specification can be found here: - * http://www.ti.com/litv/pdf/sprue36a - */ - -#include <linux/init.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/device.h> -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/slab.h> -#include <linux/irq.h> - -#include <linux/vlynq.h> - -#define VLYNQ_CTRL_PM_ENABLE 0x80000000 -#define VLYNQ_CTRL_CLOCK_INT 0x00008000 -#define VLYNQ_CTRL_CLOCK_DIV(x) (((x) & 7) << 16) -#define VLYNQ_CTRL_INT_LOCAL 0x00004000 -#define VLYNQ_CTRL_INT_ENABLE 0x00002000 -#define VLYNQ_CTRL_INT_VECTOR(x) (((x) & 0x1f) << 8) -#define VLYNQ_CTRL_INT2CFG 0x00000080 -#define VLYNQ_CTRL_RESET 0x00000001 - -#define VLYNQ_CTRL_CLOCK_MASK (0x7 << 16) - -#define VLYNQ_INT_OFFSET 0x00000014 -#define VLYNQ_REMOTE_OFFSET 0x00000080 - -#define VLYNQ_STATUS_LINK 0x00000001 -#define VLYNQ_STATUS_LERROR 0x00000080 -#define VLYNQ_STATUS_RERROR 0x00000100 - -#define VINT_ENABLE 0x00000100 -#define VINT_TYPE_EDGE 0x00000080 -#define VINT_LEVEL_LOW 0x00000040 -#define VINT_VECTOR(x) ((x) & 0x1f) -#define VINT_OFFSET(irq) (8 * ((irq) % 4)) - -#define VLYNQ_AUTONEGO_V2 0x00010000 - -struct vlynq_regs { - u32 revision; - u32 control; - u32 status; - u32 int_prio; - u32 int_status; - u32 int_pending; - u32 int_ptr; - u32 tx_offset; - struct vlynq_mapping rx_mapping[4]; - u32 chip; - u32 autonego; - u32 unused[6]; - u32 int_device[8]; -}; - -#ifdef CONFIG_VLYNQ_DEBUG -static void vlynq_dump_regs(struct vlynq_device *dev) -{ - int i; - - printk(KERN_DEBUG "VLYNQ local=%p remote=%p\n", - dev->local, dev->remote); - for (i = 0; i < 32; i++) { - printk(KERN_DEBUG "VLYNQ: local %d: %08x\n", - i + 1, ((u32 *)dev->local)[i]); - printk(KERN_DEBUG "VLYNQ: remote %d: %08x\n", - i + 1, ((u32 *)dev->remote)[i]); - } -} - -static void vlynq_dump_mem(u32 *base, int count) -{ - int i; - - for (i = 0; i < (count + 3) / 4; i++) { - if (i % 4 == 0) - printk(KERN_DEBUG "\nMEM[0x%04x]:", i * 4); - printk(KERN_DEBUG " 0x%08x", *(base + i)); - } - printk(KERN_DEBUG "\n"); -} -#endif - -/* Check the VLYNQ link status with a given device */ -static int vlynq_linked(struct vlynq_device *dev) -{ - int i; - - for (i = 0; i < 100; i++) - if (readl(&dev->local->status) & VLYNQ_STATUS_LINK) - return 1; - else - cpu_relax(); - - return 0; -} - -static void vlynq_reset(struct vlynq_device *dev) -{ - writel(readl(&dev->local->control) | VLYNQ_CTRL_RESET, - &dev->local->control); - - /* Wait for the devices to finish resetting */ - msleep(5); - - /* Remove reset bit */ - writel(readl(&dev->local->control) & ~VLYNQ_CTRL_RESET, - &dev->local->control); - - /* Give some time for the devices to settle */ - msleep(5); -} - -static void vlynq_irq_unmask(struct irq_data *d) -{ - struct vlynq_device *dev = irq_data_get_irq_chip_data(d); - int virq; - u32 val; - - BUG_ON(!dev); - virq = d->irq - dev->irq_start; - val = readl(&dev->remote->int_device[virq >> 2]); - val |= (VINT_ENABLE | virq) << VINT_OFFSET(virq); - writel(val, &dev->remote->int_device[virq >> 2]); -} - -static void vlynq_irq_mask(struct irq_data *d) -{ - struct vlynq_device *dev = irq_data_get_irq_chip_data(d); - int virq; - u32 val; - - BUG_ON(!dev); - virq = d->irq - dev->irq_start; - val = readl(&dev->remote->int_device[virq >> 2]); - val &= ~(VINT_ENABLE << VINT_OFFSET(virq)); - writel(val, &dev->remote->int_device[virq >> 2]); -} - -static int vlynq_irq_type(struct irq_data *d, unsigned int flow_type) -{ - struct vlynq_device *dev = irq_data_get_irq_chip_data(d); - int virq; - u32 val; - - BUG_ON(!dev); - virq = d->irq - dev->irq_start; - val = readl(&dev->remote->int_device[virq >> 2]); - switch (flow_type & IRQ_TYPE_SENSE_MASK) { - case IRQ_TYPE_EDGE_RISING: - case IRQ_TYPE_EDGE_FALLING: - case IRQ_TYPE_EDGE_BOTH: - val |= VINT_TYPE_EDGE << VINT_OFFSET(virq); - val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq)); - break; - case IRQ_TYPE_LEVEL_HIGH: - val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq)); - val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq)); - break; - case IRQ_TYPE_LEVEL_LOW: - val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq)); - val |= VINT_LEVEL_LOW << VINT_OFFSET(virq); - break; - default: - return -EINVAL; - } - writel(val, &dev->remote->int_device[virq >> 2]); - return 0; -} - -static void vlynq_local_ack(struct irq_data *d) -{ - struct vlynq_device *dev = irq_data_get_irq_chip_data(d); - u32 status = readl(&dev->local->status); - - pr_debug("%s: local status: 0x%08x\n", - dev_name(&dev->dev), status); - writel(status, &dev->local->status); -} - -static void vlynq_remote_ack(struct irq_data *d) -{ - struct vlynq_device *dev = irq_data_get_irq_chip_data(d); - u32 status = readl(&dev->remote->status); - - pr_debug("%s: remote status: 0x%08x\n", - dev_name(&dev->dev), status); - writel(status, &dev->remote->status); -} - -static irqreturn_t vlynq_irq(int irq, void *dev_id) -{ - struct vlynq_device *dev = dev_id; - u32 status; - int virq = 0; - - status = readl(&dev->local->int_status); - writel(status, &dev->local->int_status); - - if (unlikely(!status)) - spurious_interrupt(); - - while (status) { - if (status & 1) - do_IRQ(dev->irq_start + virq); - status >>= 1; - virq++; - } - - return IRQ_HANDLED; -} - -static struct irq_chip vlynq_irq_chip = { - .name = "vlynq", - .irq_unmask = vlynq_irq_unmask, - .irq_mask = vlynq_irq_mask, - .irq_set_type = vlynq_irq_type, -}; - -static struct irq_chip vlynq_local_chip = { - .name = "vlynq local error", - .irq_unmask = vlynq_irq_unmask, - .irq_mask = vlynq_irq_mask, - .irq_ack = vlynq_local_ack, -}; - -static struct irq_chip vlynq_remote_chip = { - .name = "vlynq local error", - .irq_unmask = vlynq_irq_unmask, - .irq_mask = vlynq_irq_mask, - .irq_ack = vlynq_remote_ack, -}; - -static int vlynq_setup_irq(struct vlynq_device *dev) -{ - u32 val; - int i, virq; - - if (dev->local_irq == dev->remote_irq) { - printk(KERN_ERR - "%s: local vlynq irq should be different from remote\n", - dev_name(&dev->dev)); - return -EINVAL; - } - - /* Clear local and remote error bits */ - writel(readl(&dev->local->status), &dev->local->status); - writel(readl(&dev->remote->status), &dev->remote->status); - - /* Now setup interrupts */ - val = VLYNQ_CTRL_INT_VECTOR(dev->local_irq); - val |= VLYNQ_CTRL_INT_ENABLE | VLYNQ_CTRL_INT_LOCAL | - VLYNQ_CTRL_INT2CFG; - val |= readl(&dev->local->control); - writel(VLYNQ_INT_OFFSET, &dev->local->int_ptr); - writel(val, &dev->local->control); - - val = VLYNQ_CTRL_INT_VECTOR(dev->remote_irq); - val |= VLYNQ_CTRL_INT_ENABLE; - val |= readl(&dev->remote->control); - writel(VLYNQ_INT_OFFSET, &dev->remote->int_ptr); - writel(val, &dev->remote->int_ptr); - writel(val, &dev->remote->control); - - for (i = dev->irq_start; i <= dev->irq_end; i++) { - virq = i - dev->irq_start; - if (virq == dev->local_irq) { - irq_set_chip_and_handler(i, &vlynq_local_chip, - handle_level_irq); - irq_set_chip_data(i, dev); - } else if (virq == dev->remote_irq) { - irq_set_chip_and_handler(i, &vlynq_remote_chip, - handle_level_irq); - irq_set_chip_data(i, dev); - } else { - irq_set_chip_and_handler(i, &vlynq_irq_chip, - handle_simple_irq); - irq_set_chip_data(i, dev); - writel(0, &dev->remote->int_device[virq >> 2]); - } - } - - if (request_irq(dev->irq, vlynq_irq, IRQF_SHARED, "vlynq", dev)) { - printk(KERN_ERR "%s: request_irq failed\n", - dev_name(&dev->dev)); - return -EAGAIN; - } - - return 0; -} - -static void vlynq_device_release(struct device *dev) -{ - struct vlynq_device *vdev = to_vlynq_device(dev); - kfree(vdev); -} - -static int vlynq_device_match(struct device *dev, - struct device_driver *drv) -{ - struct vlynq_device *vdev = to_vlynq_device(dev); - struct vlynq_driver *vdrv = to_vlynq_driver(drv); - struct vlynq_device_id *ids = vdrv->id_table; - - while (ids->id) { - if (ids->id == vdev->dev_id) { - vdev->divisor = ids->divisor; - vlynq_set_drvdata(vdev, ids); - printk(KERN_INFO "Driver found for VLYNQ " - "device: %08x\n", vdev->dev_id); - return 1; - } - printk(KERN_DEBUG "Not using the %08x VLYNQ device's driver" - " for VLYNQ device: %08x\n", ids->id, vdev->dev_id); - ids++; - } - return 0; -} - -static int vlynq_device_probe(struct device *dev) -{ - struct vlynq_device *vdev = to_vlynq_device(dev); - struct vlynq_driver *drv = to_vlynq_driver(dev->driver); - struct vlynq_device_id *id = vlynq_get_drvdata(vdev); - int result = -ENODEV; - - if (drv->probe) - result = drv->probe(vdev, id); - if (result) - put_device(dev); - return result; -} - -static void vlynq_device_remove(struct device *dev) -{ - struct vlynq_driver *drv = to_vlynq_driver(dev->driver); - - if (drv->remove) - drv->remove(to_vlynq_device(dev)); -} - -int __vlynq_register_driver(struct vlynq_driver *driver, struct module *owner) -{ - driver->driver.name = driver->name; - driver->driver.bus = &vlynq_bus_type; - return driver_register(&driver->driver); -} -EXPORT_SYMBOL(__vlynq_register_driver); - -void vlynq_unregister_driver(struct vlynq_driver *driver) -{ - driver_unregister(&driver->driver); -} -EXPORT_SYMBOL(vlynq_unregister_driver); - -/* - * A VLYNQ remote device can clock the VLYNQ bus master - * using a dedicated clock line. In that case, both the - * remove device and the bus master should have the same - * serial clock dividers configured. Iterate through the - * 8 possible dividers until we actually link with the - * device. - */ -static int __vlynq_try_remote(struct vlynq_device *dev) -{ - int i; - - vlynq_reset(dev); - for (i = dev->dev_id ? vlynq_rdiv2 : vlynq_rdiv8; dev->dev_id ? - i <= vlynq_rdiv8 : i >= vlynq_rdiv2; - dev->dev_id ? i++ : i--) { - - if (!vlynq_linked(dev)) - break; - - writel((readl(&dev->remote->control) & - ~VLYNQ_CTRL_CLOCK_MASK) | - VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1), - &dev->remote->control); - writel((readl(&dev->local->control) - & ~(VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_MASK)) | - VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1), - &dev->local->control); - - if (vlynq_linked(dev)) { - printk(KERN_DEBUG - "%s: using remote clock divisor %d\n", - dev_name(&dev->dev), i - vlynq_rdiv1 + 1); - dev->divisor = i; - return 0; - } else { - vlynq_reset(dev); - } - } - - return -ENODEV; -} - -/* - * A VLYNQ remote device can be clocked by the VLYNQ bus - * master using a dedicated clock line. In that case, only - * the bus master configures the serial clock divider. - * Iterate through the 8 possible dividers until we - * actually get a link with the device. - */ -static int __vlynq_try_local(struct vlynq_device *dev) -{ - int i; - - vlynq_reset(dev); - - for (i = dev->dev_id ? vlynq_ldiv2 : vlynq_ldiv8; dev->dev_id ? - i <= vlynq_ldiv8 : i >= vlynq_ldiv2; - dev->dev_id ? i++ : i--) { - - writel((readl(&dev->local->control) & - ~VLYNQ_CTRL_CLOCK_MASK) | - VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_DIV(i - vlynq_ldiv1), - &dev->local->control); - - if (vlynq_linked(dev)) { - printk(KERN_DEBUG - "%s: using local clock divisor %d\n", - dev_name(&dev->dev), i - vlynq_ldiv1 + 1); - dev->divisor = i; - return 0; - } else { - vlynq_reset(dev); - } - } - - return -ENODEV; -} - -/* - * When using external clocking method, serial clock - * is supplied by an external oscillator, therefore we - * should mask the local clock bit in the clock control - * register for both the bus master and the remote device. - */ -static int __vlynq_try_external(struct vlynq_device *dev) -{ - vlynq_reset(dev); - if (!vlynq_linked(dev)) - return -ENODEV; - - writel((readl(&dev->remote->control) & - ~VLYNQ_CTRL_CLOCK_INT), - &dev->remote->control); - - writel((readl(&dev->local->control) & - ~VLYNQ_CTRL_CLOCK_INT), - &dev->local->control); - - if (vlynq_linked(dev)) { - printk(KERN_DEBUG "%s: using external clock\n", - dev_name(&dev->dev)); - dev->divisor = vlynq_div_external; - return 0; - } - - return -ENODEV; -} - -static int __vlynq_enable_device(struct vlynq_device *dev) -{ - int result; - struct plat_vlynq_ops *ops = dev->dev.platform_data; - - result = ops->on(dev); - if (result) - return result; - - switch (dev->divisor) { - case vlynq_div_external: - case vlynq_div_auto: - /* When the device is brought from reset it should have clock - * generation negotiated by hardware. - * Check which device is generating clocks and perform setup - * accordingly */ - if (vlynq_linked(dev) && readl(&dev->remote->control) & - VLYNQ_CTRL_CLOCK_INT) { - if (!__vlynq_try_remote(dev) || - !__vlynq_try_local(dev) || - !__vlynq_try_external(dev)) - return 0; - } else { - if (!__vlynq_try_external(dev) || - !__vlynq_try_local(dev) || - !__vlynq_try_remote(dev)) - return 0; - } - break; - case vlynq_ldiv1: - case vlynq_ldiv2: - case vlynq_ldiv3: - case vlynq_ldiv4: - case vlynq_ldiv5: - case vlynq_ldiv6: - case vlynq_ldiv7: - case vlynq_ldiv8: - writel(VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_DIV(dev->divisor - - vlynq_ldiv1), &dev->local->control); - writel(0, &dev->remote->control); - if (vlynq_linked(dev)) { - printk(KERN_DEBUG - "%s: using local clock divisor %d\n", - dev_name(&dev->dev), - dev->divisor - vlynq_ldiv1 + 1); - return 0; - } - break; - case vlynq_rdiv1: - case vlynq_rdiv2: - case vlynq_rdiv3: - case vlynq_rdiv4: - case vlynq_rdiv5: - case vlynq_rdiv6: - case vlynq_rdiv7: - case vlynq_rdiv8: - writel(0, &dev->local->control); - writel(VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_DIV(dev->divisor - - vlynq_rdiv1), &dev->remote->control); - if (vlynq_linked(dev)) { - printk(KERN_DEBUG - "%s: using remote clock divisor %d\n", - dev_name(&dev->dev), - dev->divisor - vlynq_rdiv1 + 1); - return 0; - } - break; - } - - ops->off(dev); - return -ENODEV; -} - -int vlynq_enable_device(struct vlynq_device *dev) -{ - struct plat_vlynq_ops *ops = dev->dev.platform_data; - int result = -ENODEV; - - result = __vlynq_enable_device(dev); - if (result) - return result; - - result = vlynq_setup_irq(dev); - if (result) - ops->off(dev); - - dev->enabled = !result; - return result; -} -EXPORT_SYMBOL(vlynq_enable_device); - - -void vlynq_disable_device(struct vlynq_device *dev) -{ - struct plat_vlynq_ops *ops = dev->dev.platform_data; - - dev->enabled = 0; - free_irq(dev->irq, dev); - ops->off(dev); -} -EXPORT_SYMBOL(vlynq_disable_device); - -int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset, - struct vlynq_mapping *mapping) -{ - int i; - - if (!dev->enabled) - return -ENXIO; - - writel(tx_offset, &dev->local->tx_offset); - for (i = 0; i < 4; i++) { - writel(mapping[i].offset, &dev->local->rx_mapping[i].offset); - writel(mapping[i].size, &dev->local->rx_mapping[i].size); - } - return 0; -} -EXPORT_SYMBOL(vlynq_set_local_mapping); - -int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset, - struct vlynq_mapping *mapping) -{ - int i; - - if (!dev->enabled) - return -ENXIO; - - writel(tx_offset, &dev->remote->tx_offset); - for (i = 0; i < 4; i++) { - writel(mapping[i].offset, &dev->remote->rx_mapping[i].offset); - writel(mapping[i].size, &dev->remote->rx_mapping[i].size); - } - return 0; -} -EXPORT_SYMBOL(vlynq_set_remote_mapping); - -int vlynq_set_local_irq(struct vlynq_device *dev, int virq) -{ - int irq = dev->irq_start + virq; - if (dev->enabled) - return -EBUSY; - - if ((irq < dev->irq_start) || (irq > dev->irq_end)) - return -EINVAL; - - if (virq == dev->remote_irq) - return -EINVAL; - - dev->local_irq = virq; - - return 0; -} -EXPORT_SYMBOL(vlynq_set_local_irq); - -int vlynq_set_remote_irq(struct vlynq_device *dev, int virq) -{ - int irq = dev->irq_start + virq; - if (dev->enabled) - return -EBUSY; - - if ((irq < dev->irq_start) || (irq > dev->irq_end)) - return -EINVAL; - - if (virq == dev->local_irq) - return -EINVAL; - - dev->remote_irq = virq; - - return 0; -} -EXPORT_SYMBOL(vlynq_set_remote_irq); - -static int vlynq_probe(struct platform_device *pdev) -{ - struct vlynq_device *dev; - struct resource *regs_res, *mem_res, *irq_res; - int len, result; - - regs_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); - if (!regs_res) - return -ENODEV; - - mem_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem"); - if (!mem_res) - return -ENODEV; - - irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "devirq"); - if (!irq_res) - return -ENODEV; - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) { - printk(KERN_ERR - "vlynq: failed to allocate device structure\n"); - return -ENOMEM; - } - - dev->id = pdev->id; - dev->dev.bus = &vlynq_bus_type; - dev->dev.parent = &pdev->dev; - dev_set_name(&dev->dev, "vlynq%d", dev->id); - dev->dev.platform_data = pdev->dev.platform_data; - dev->dev.release = vlynq_device_release; - - dev->regs_start = regs_res->start; - dev->regs_end = regs_res->end; - dev->mem_start = mem_res->start; - dev->mem_end = mem_res->end; - - len = resource_size(regs_res); - if (!request_mem_region(regs_res->start, len, dev_name(&dev->dev))) { - printk(KERN_ERR "%s: Can't request vlynq registers\n", - dev_name(&dev->dev)); - result = -ENXIO; - goto fail_request; - } - - dev->local = ioremap(regs_res->start, len); - if (!dev->local) { - printk(KERN_ERR "%s: Can't remap vlynq registers\n", - dev_name(&dev->dev)); - result = -ENXIO; - goto fail_remap; - } - - dev->remote = (struct vlynq_regs *)((void *)dev->local + - VLYNQ_REMOTE_OFFSET); - - dev->irq = platform_get_irq_byname(pdev, "irq"); - dev->irq_start = irq_res->start; - dev->irq_end = irq_res->end; - dev->local_irq = dev->irq_end - dev->irq_start; - dev->remote_irq = dev->local_irq - 1; - - if (device_register(&dev->dev)) - goto fail_register; - platform_set_drvdata(pdev, dev); - - printk(KERN_INFO "%s: regs 0x%p, irq %d, mem 0x%p\n", - dev_name(&dev->dev), (void *)dev->regs_start, dev->irq, - (void *)dev->mem_start); - - dev->dev_id = 0; - dev->divisor = vlynq_div_auto; - result = __vlynq_enable_device(dev); - if (result == 0) { - dev->dev_id = readl(&dev->remote->chip); - ((struct plat_vlynq_ops *)(dev->dev.platform_data))->off(dev); - } - if (dev->dev_id) - printk(KERN_INFO "Found a VLYNQ device: %08x\n", dev->dev_id); - - return 0; - -fail_register: - iounmap(dev->local); -fail_remap: -fail_request: - release_mem_region(regs_res->start, len); - kfree(dev); - return result; -} - -static int vlynq_remove(struct platform_device *pdev) -{ - struct vlynq_device *dev = platform_get_drvdata(pdev); - - device_unregister(&dev->dev); - iounmap(dev->local); - release_mem_region(dev->regs_start, - dev->regs_end - dev->regs_start + 1); - - kfree(dev); - - return 0; -} - -static struct platform_driver vlynq_platform_driver = { - .driver.name = "vlynq", - .probe = vlynq_probe, - .remove = vlynq_remove, -}; - -struct bus_type vlynq_bus_type = { - .name = "vlynq", - .match = vlynq_device_match, - .probe = vlynq_device_probe, - .remove = vlynq_device_remove, -}; -EXPORT_SYMBOL(vlynq_bus_type); - -static int vlynq_init(void) -{ - int res = 0; - - res = bus_register(&vlynq_bus_type); - if (res) - goto fail_bus; - - res = platform_driver_register(&vlynq_platform_driver); - if (res) - goto fail_platform; - - return 0; - -fail_platform: - bus_unregister(&vlynq_bus_type); -fail_bus: - return res; -} - -static void vlynq_exit(void) -{ - platform_driver_unregister(&vlynq_platform_driver); - bus_unregister(&vlynq_bus_type); -} - -module_init(vlynq_init); -module_exit(vlynq_exit); diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 8cb6fa45d599..7d22051b15a2 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -1768,12 +1768,6 @@ config SIBYTE_WDOG To compile this driver as a loadable module, choose M here. The module will be called sb_wdog. -config AR7_WDT - tristate "TI AR7 Watchdog Timer" - depends on AR7 || (MIPS && 32BIT && COMPILE_TEST) - help - Hardware driver for the TI AR7 Watchdog Timer. - config TXX9_WDT tristate "Toshiba TXx9 Watchdog Timer" depends on CPU_TX49XX || (MIPS && COMPILE_TEST) diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 7eab9de311cb..7cbc34514ec1 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -168,7 +168,6 @@ obj-$(CONFIG_INDYDOG) += indydog.o obj-$(CONFIG_JZ4740_WDT) += jz4740_wdt.o obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o -obj-$(CONFIG_AR7_WDT) += ar7_wdt.o obj-$(CONFIG_TXX9_WDT) += txx9wdt.o obj-$(CONFIG_OCTEON_WDT) += octeon-wdt.o octeon-wdt-y := octeon-wdt-main.o octeon-wdt-nmi.o diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c deleted file mode 100644 index cdcaeb0961ac..000000000000 --- a/drivers/watchdog/ar7_wdt.c +++ /dev/null @@ -1,315 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * drivers/watchdog/ar7_wdt.c - * - * Copyright (C) 2007 Nicolas Thill <nico@openwrt.org> - * Copyright (c) 2005 Enrik Berkhan <Enrik.Berkhan@akk.org> - * - * Some code taken from: - * National Semiconductor SCx200 Watchdog support - * Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com> - * - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/errno.h> -#include <linux/miscdevice.h> -#include <linux/platform_device.h> -#include <linux/watchdog.h> -#include <linux/fs.h> -#include <linux/ioport.h> -#include <linux/io.h> -#include <linux/uaccess.h> -#include <linux/clk.h> - -#include <asm/addrspace.h> -#include <asm/mach-ar7/ar7.h> - -#define LONGNAME "TI AR7 Watchdog Timer" - -MODULE_AUTHOR("Nicolas Thill <nico@openwrt.org>"); -MODULE_DESCRIPTION(LONGNAME); -MODULE_LICENSE("GPL"); - -static int margin = 60; -module_param(margin, int, 0); -MODULE_PARM_DESC(margin, "Watchdog margin in seconds"); - -static bool nowayout = WATCHDOG_NOWAYOUT; -module_param(nowayout, bool, 0); -MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close"); - -#define READ_REG(x) readl((void __iomem *)&(x)) -#define WRITE_REG(x, v) writel((v), (void __iomem *)&(x)) - -struct ar7_wdt { - u32 kick_lock; - u32 kick; - u32 change_lock; - u32 change; - u32 disable_lock; - u32 disable; - u32 prescale_lock; - u32 prescale; -}; - -static unsigned long wdt_is_open; -static unsigned expect_close; -static DEFINE_SPINLOCK(wdt_lock); - -/* XXX currently fixed, allows max margin ~68.72 secs */ -#define prescale_value 0xffff - -/* Pointer to the remapped WDT IO space */ -static struct ar7_wdt *ar7_wdt; - -static struct clk *vbus_clk; - -static void ar7_wdt_kick(u32 value) -{ - WRITE_REG(ar7_wdt->kick_lock, 0x5555); - if ((READ_REG(ar7_wdt->kick_lock) & 3) == 1) { - WRITE_REG(ar7_wdt->kick_lock, 0xaaaa); - if ((READ_REG(ar7_wdt->kick_lock) & 3) == 3) { - WRITE_REG(ar7_wdt->kick, value); - return; - } - } - pr_err("failed to unlock WDT kick reg\n"); -} - -static void ar7_wdt_prescale(u32 value) -{ - WRITE_REG(ar7_wdt->prescale_lock, 0x5a5a); - if ((READ_REG(ar7_wdt->prescale_lock) & 3) == 1) { - WRITE_REG(ar7_wdt->prescale_lock, 0xa5a5); - if ((READ_REG(ar7_wdt->prescale_lock) & 3) == 3) { - WRITE_REG(ar7_wdt->prescale, value); - return; - } - } - pr_err("failed to unlock WDT prescale reg\n"); -} - -static void ar7_wdt_change(u32 value) -{ - WRITE_REG(ar7_wdt->change_lock, 0x6666); - if ((READ_REG(ar7_wdt->change_lock) & 3) == 1) { - WRITE_REG(ar7_wdt->change_lock, 0xbbbb); - if ((READ_REG(ar7_wdt->change_lock) & 3) == 3) { - WRITE_REG(ar7_wdt->change, value); - return; - } - } - pr_err("failed to unlock WDT change reg\n"); -} - -static void ar7_wdt_disable(u32 value) -{ - WRITE_REG(ar7_wdt->disable_lock, 0x7777); - if ((READ_REG(ar7_wdt->disable_lock) & 3) == 1) { - WRITE_REG(ar7_wdt->disable_lock, 0xcccc); - if ((READ_REG(ar7_wdt->disable_lock) & 3) == 2) { - WRITE_REG(ar7_wdt->disable_lock, 0xdddd); - if ((READ_REG(ar7_wdt->disable_lock) & 3) == 3) { - WRITE_REG(ar7_wdt->disable, value); - return; - } - } - } - pr_err("failed to unlock WDT disable reg\n"); -} - -static void ar7_wdt_update_margin(int new_margin) -{ - u32 change; - u32 vbus_rate; - - vbus_rate = clk_get_rate(vbus_clk); - change = new_margin * (vbus_rate / prescale_value); - if (change < 1) - change = 1; - if (change > 0xffff) - change = 0xffff; - ar7_wdt_change(change); - margin = change * prescale_value / vbus_rate; - pr_info("timer margin %d seconds (prescale %d, change %d, freq %d)\n", - margin, prescale_value, change, vbus_rate); -} - -static void ar7_wdt_enable_wdt(void) -{ - pr_debug("enabling watchdog timer\n"); - ar7_wdt_disable(1); - ar7_wdt_kick(1); -} - -static void ar7_wdt_disable_wdt(void) -{ - pr_debug("disabling watchdog timer\n"); - ar7_wdt_disable(0); -} - -static int ar7_wdt_open(struct inode *inode, struct file *file) -{ - /* only allow one at a time */ - if (test_and_set_bit(0, &wdt_is_open)) - return -EBUSY; - ar7_wdt_enable_wdt(); - expect_close = 0; - - return stream_open(inode, file); -} - -static int ar7_wdt_release(struct inode *inode, struct file *file) -{ - if (!expect_close) - pr_warn("watchdog device closed unexpectedly, will not disable the watchdog timer\n"); - else if (!nowayout) - ar7_wdt_disable_wdt(); - clear_bit(0, &wdt_is_open); - return 0; -} - -static ssize_t ar7_wdt_write(struct file *file, const char *data, - size_t len, loff_t *ppos) -{ - /* check for a magic close character */ - if (len) { - size_t i; - - spin_lock(&wdt_lock); - ar7_wdt_kick(1); - spin_unlock(&wdt_lock); - - expect_close = 0; - for (i = 0; i < len; ++i) { - char c; - if (get_user(c, data + i)) - return -EFAULT; - if (c == 'V') - expect_close = 1; - } - - } - return len; -} - -static long ar7_wdt_ioctl(struct file *file, - unsigned int cmd, unsigned long arg) -{ - static const struct watchdog_info ident = { - .identity = LONGNAME, - .firmware_version = 1, - .options = (WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | - WDIOF_MAGICCLOSE), - }; - int new_margin; - - switch (cmd) { - case WDIOC_GETSUPPORT: - if (copy_to_user((struct watchdog_info *)arg, &ident, - sizeof(ident))) - return -EFAULT; - return 0; - case WDIOC_GETSTATUS: - case WDIOC_GETBOOTSTATUS: - if (put_user(0, (int *)arg)) - return -EFAULT; - return 0; - case WDIOC_KEEPALIVE: - ar7_wdt_kick(1); - return 0; - case WDIOC_SETTIMEOUT: - if (get_user(new_margin, (int *)arg)) - return -EFAULT; - if (new_margin < 1) - return -EINVAL; - - spin_lock(&wdt_lock); - ar7_wdt_update_margin(new_margin); - ar7_wdt_kick(1); - spin_unlock(&wdt_lock); - fallthrough; - case WDIOC_GETTIMEOUT: - if (put_user(margin, (int *)arg)) - return -EFAULT; - return 0; - default: - return -ENOTTY; - } -} - -static const struct file_operations ar7_wdt_fops = { - .owner = THIS_MODULE, - .write = ar7_wdt_write, - .unlocked_ioctl = ar7_wdt_ioctl, - .compat_ioctl = compat_ptr_ioctl, - .open = ar7_wdt_open, - .release = ar7_wdt_release, - .llseek = no_llseek, -}; - -static struct miscdevice ar7_wdt_miscdev = { - .minor = WATCHDOG_MINOR, - .name = "watchdog", - .fops = &ar7_wdt_fops, -}; - -static int ar7_wdt_probe(struct platform_device *pdev) -{ - int rc; - - ar7_wdt = devm_platform_ioremap_resource_byname(pdev, "regs"); - if (IS_ERR(ar7_wdt)) - return PTR_ERR(ar7_wdt); - - vbus_clk = clk_get(NULL, "vbus"); - if (IS_ERR(vbus_clk)) { - pr_err("could not get vbus clock\n"); - return PTR_ERR(vbus_clk); - } - - ar7_wdt_disable_wdt(); - ar7_wdt_prescale(prescale_value); - ar7_wdt_update_margin(margin); - - rc = misc_register(&ar7_wdt_miscdev); - if (rc) { - pr_err("unable to register misc device\n"); - goto out; - } - return 0; - -out: - clk_put(vbus_clk); - vbus_clk = NULL; - return rc; -} - -static void ar7_wdt_remove(struct platform_device *pdev) -{ - misc_deregister(&ar7_wdt_miscdev); - clk_put(vbus_clk); - vbus_clk = NULL; -} - -static void ar7_wdt_shutdown(struct platform_device *pdev) -{ - if (!nowayout) - ar7_wdt_disable_wdt(); -} - -static struct platform_driver ar7_wdt_driver = { - .probe = ar7_wdt_probe, - .remove_new = ar7_wdt_remove, - .shutdown = ar7_wdt_shutdown, - .driver = { - .name = "ar7_wdt", - }, -}; - -module_platform_driver(ar7_wdt_driver); diff --git a/include/linux/vlynq.h b/include/linux/vlynq.h deleted file mode 100644 index e9c0cd36c48a..000000000000 --- a/include/linux/vlynq.h +++ /dev/null @@ -1,149 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2006, 2007 Eugene Konev <ejka@openwrt.org> - */ - -#ifndef __VLYNQ_H__ -#define __VLYNQ_H__ - -#include <linux/device.h> -#include <linux/types.h> - -struct module; - -#define VLYNQ_NUM_IRQS 32 - -struct vlynq_mapping { - u32 size; - u32 offset; -}; - -enum vlynq_divisor { - vlynq_div_auto = 0, - vlynq_ldiv1, - vlynq_ldiv2, - vlynq_ldiv3, - vlynq_ldiv4, - vlynq_ldiv5, - vlynq_ldiv6, - vlynq_ldiv7, - vlynq_ldiv8, - vlynq_rdiv1, - vlynq_rdiv2, - vlynq_rdiv3, - vlynq_rdiv4, - vlynq_rdiv5, - vlynq_rdiv6, - vlynq_rdiv7, - vlynq_rdiv8, - vlynq_div_external -}; - -struct vlynq_device_id { - u32 id; - enum vlynq_divisor divisor; - unsigned long driver_data; -}; - -struct vlynq_regs; -struct vlynq_device { - u32 id, dev_id; - int local_irq; - int remote_irq; - enum vlynq_divisor divisor; - u32 regs_start, regs_end; - u32 mem_start, mem_end; - u32 irq_start, irq_end; - int irq; - int enabled; - struct vlynq_regs *local; - struct vlynq_regs *remote; - struct device dev; -}; - -struct vlynq_driver { - char *name; - struct vlynq_device_id *id_table; - int (*probe)(struct vlynq_device *dev, struct vlynq_device_id *id); - void (*remove)(struct vlynq_device *dev); - struct device_driver driver; -}; - -struct plat_vlynq_ops { - int (*on)(struct vlynq_device *dev); - void (*off)(struct vlynq_device *dev); -}; - -static inline struct vlynq_driver *to_vlynq_driver(struct device_driver *drv) -{ - return container_of(drv, struct vlynq_driver, driver); -} - -static inline struct vlynq_device *to_vlynq_device(struct device *device) -{ - return container_of(device, struct vlynq_device, dev); -} - -extern struct bus_type vlynq_bus_type; - -extern int __vlynq_register_driver(struct vlynq_driver *driver, - struct module *owner); - -static inline int vlynq_register_driver(struct vlynq_driver *driver) -{ - return __vlynq_register_driver(driver, THIS_MODULE); -} - -static inline void *vlynq_get_drvdata(struct vlynq_device *dev) -{ - return dev_get_drvdata(&dev->dev); -} - -static inline void vlynq_set_drvdata(struct vlynq_device *dev, void *data) -{ - dev_set_drvdata(&dev->dev, data); -} - -static inline u32 vlynq_mem_start(struct vlynq_device *dev) -{ - return dev->mem_start; -} - -static inline u32 vlynq_mem_end(struct vlynq_device *dev) -{ - return dev->mem_end; -} - -static inline u32 vlynq_mem_len(struct vlynq_device *dev) -{ - return dev->mem_end - dev->mem_start + 1; -} - -static inline int vlynq_virq_to_irq(struct vlynq_device *dev, int virq) -{ - int irq = dev->irq_start + virq; - if ((irq < dev->irq_start) || (irq > dev->irq_end)) - return -EINVAL; - - return irq; -} - -static inline int vlynq_irq_to_virq(struct vlynq_device *dev, int irq) -{ - if ((irq < dev->irq_start) || (irq > dev->irq_end)) - return -EINVAL; - - return irq - dev->irq_start; -} - -extern void vlynq_unregister_driver(struct vlynq_driver *driver); -extern int vlynq_enable_device(struct vlynq_device *dev); -extern void vlynq_disable_device(struct vlynq_device *dev); -extern int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset, - struct vlynq_mapping *mapping); -extern int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset, - struct vlynq_mapping *mapping); -extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq); -extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq); - -#endif /* __VLYNQ_H__ */ |