ARM: cns3xxx: remove entire platform

cns3xxx was marked as unused a while ago, and gets removed
entirely now.
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

MAINTAINERS

@@ -2048,11 +2048,6 @@ F:	arch/arm/boot/dts/ecx-*.dts*
 F:	arch/arm/boot/dts/highbank.dts
 F:	arch/arm/mach-highbank/
 
-ARM/CAVIUM NETWORKS CNS3XXX MACHINE SUPPORT
-M:	Krzysztof Halasa <khalasa@piap.pl>
-S:	Maintained
-F:	arch/arm/mach-cns3xxx/
-
 ARM/CAVIUM THUNDER NETWORK DRIVER
 M:	Sunil Goutham <sgoutham@marvell.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

arch/arm/Kconfig

@@ -438,8 +438,6 @@ source "arch/arm/mach-berlin/Kconfig"
 
 source "arch/arm/mach-clps711x/Kconfig"
 
-source "arch/arm/mach-cns3xxx/Kconfig"
-
 source "arch/arm/mach-davinci/Kconfig"
 
 source "arch/arm/mach-digicolor/Kconfig"

arch/arm/Kconfig.debug

@@ -307,14 +307,6 @@ choice
 		  Say Y here if you want the debug print routines to direct
 		  their output to the second serial port on these devices.
 
-	config DEBUG_CNS3XXX
-		bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
-		depends on ARCH_CNS3XXX
-		select DEBUG_UART_8250
-		help
-		  Say Y here if you want the debug print routines to direct
-                  their output to the CNS3xxx UART0.
-
 	config DEBUG_DAVINCI_DA8XX_UART1
 		bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
 		depends on ARCH_DAVINCI_DA8XX
@@ -1685,7 +1677,6 @@ config DEBUG_UART_PHYS
 				DEBUG_S3C2410_UART1)
 	default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
 				DEBUG_S3C2410_UART2)
-	default 0x78000000 if DEBUG_CNS3XXX
 	default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1
 	default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0
 	default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1
@@ -1818,7 +1809,6 @@ config DEBUG_UART_VIRT
 				DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2
 	default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4
 	default 0xfa71e000 if DEBUG_QCOM_UARTDM
-	default 0xfb002000 if DEBUG_CNS3XXX
 	default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
 	default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3
 	default 0xfb020000 if DEBUG_OMAP3UART3

arch/arm/Makefile

@@ -178,7 +178,6 @@ machine-$(CONFIG_ARCH_AXXIA)		+= axxia
 machine-$(CONFIG_ARCH_BCM)		+= bcm
 machine-$(CONFIG_ARCH_BERLIN)		+= berlin
 machine-$(CONFIG_ARCH_CLPS711X)		+= clps711x
-machine-$(CONFIG_ARCH_CNS3XXX)		+= cns3xxx
 machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
 machine-$(CONFIG_ARCH_DIGICOLOR)	+= digicolor
 machine-$(CONFIG_ARCH_DOVE)		+= dove

arch/arm/configs/cns3420vb_defconfig

-# CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_SYSVIPC=y
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=14
-CONFIG_CGROUPS=y
-CONFIG_SYSFS_DEPRECATED_V2=y
-CONFIG_RELAY=y
-CONFIG_BLK_DEV_INITRD=y
-# CONFIG_PERF_EVENTS is not set
-CONFIG_PROFILING=y
-CONFIG_ARCH_MULTI_V6=y
-CONFIG_ARCH_CNS3XXX=y
-CONFIG_MACH_CNS3420VB=y
-CONFIG_UNUSED_BOARD_FILES=y
-CONFIG_CMDLINE="console=ttyS0,38400 mem=128M root=/dev/mmcblk0p1 ro rootwait"
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-CONFIG_MODULE_FORCE_UNLOAD=y
-CONFIG_MODVERSIONS=y
-CONFIG_IOSCHED_BFQ=m
-#CONFIG_ARCH_MULTI_V7 is not set
-CONFIG_DEBUG_CNS3XXX=y
-CONFIG_AEABI=y
-# CONFIG_SWAP is not set
-CONFIG_SLAB=y
-CONFIG_MTD=y
-CONFIG_MTD_CMDLINE_PARTS=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_PHYSMAP=y
-CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_RAM=y
-CONFIG_BLK_DEV_RAM_SIZE=20000
-CONFIG_BLK_DEV_SD=y
-# CONFIG_BLK_DEV_BSG is not set
-CONFIG_ATA=y
-# CONFIG_SATA_PMP is not set
-# CONFIG_ATA_SFF is not set
-# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-# CONFIG_SERIO is not set
-CONFIG_LEGACY_PTY_COUNT=16
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-# CONFIG_HW_RANDOM is not set
-# CONFIG_HWMON is not set
-# CONFIG_VGA_CONSOLE is not set
-# CONFIG_USB_SUPPORT is not set
-CONFIG_MMC=y
-CONFIG_MMC_SDHCI=y
-CONFIG_MMC_SDHCI_PLTFM=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT2_FS_XATTR=y
-CONFIG_AUTOFS4_FS=y
-CONFIG_FSCACHE=y
-CONFIG_TMPFS=y
-# CONFIG_ENABLE_MUST_CHECK is not set
-# CONFIG_ARM_UNWIND is not set
-CONFIG_CRC_CCITT=y
-CONFIG_DEBUG_FS=y

arch/arm/mach-cns3xxx/Kconfig

-# SPDX-License-Identifier: GPL-2.0
-menuconfig ARCH_CNS3XXX
-	bool "Cavium Networks CNS3XXX family"
-	depends on ARCH_MULTI_V6
-	depends on ATAGS && UNUSED_BOARD_FILES
-	select ARM_GIC
-	help
-	  Support for Cavium Networks CNS3XXX platform.
-
-if ARCH_CNS3XXX
-
-config MACH_CNS3420VB
-	bool "Support for CNS3420 Validation Board"
-	depends on ATAGS
-	help
-	  Include support for the Cavium Networks CNS3420 MPCore Platform
-	  Baseboard.
-	  This is a platform with an on-board ARM11 MPCore and has support
-	  for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, etc.
-
-endif

arch/arm/mach-cns3xxx/Makefile

-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_ARCH_CNS3XXX)		+= cns3xxx.o
-cns3xxx-y				+= core.o pm.o
-cns3xxx-$(CONFIG_ATAGS)			+= devices.o
-cns3xxx-$(CONFIG_PCI)			+= pcie.o
-cns3xxx-$(CONFIG_MACH_CNS3420VB)	+= cns3420vb.o

arch/arm/mach-cns3xxx/cns3420vb.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Cavium Networks CNS3420 Validation Board
- *
- * Copyright 2000 Deep Blue Solutions Ltd
- * Copyright 2008 ARM Limited
- * Copyright 2008 Cavium Networks
- *		  Scott Shu
- * Copyright 2010 MontaVista Software, LLC.
- *		  Anton Vorontsov <avorontsov@mvista.com>
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/compiler.h>
-#include <linux/io.h>
-#include <linux/dma-mapping.h>
-#include <linux/serial_core.h>
-#include <linux/serial_8250.h>
-#include <linux/platform_device.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/physmap.h>
-#include <linux/mtd/partitions.h>
-#include <linux/usb/ehci_pdriver.h>
-#include <linux/usb/ohci_pdriver.h>
-#include <asm/setup.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/time.h>
-#include "cns3xxx.h"
-#include "pm.h"
-#include "core.h"
-#include "devices.h"
-
-/*
- * NOR Flash
- */
-static struct mtd_partition cns3420_nor_partitions[] = {
-	{
-		.name		= "uboot",
-		.size		= 0x00040000,
-		.offset		= 0,
-		.mask_flags	= MTD_WRITEABLE,
-	}, {
-		.name		= "kernel",
-		.size		= 0x004C0000,
-		.offset		= MTDPART_OFS_APPEND,
-	}, {
-		.name		= "filesystem",
-		.size		= 0x7000000,
-		.offset		= MTDPART_OFS_APPEND,
-	}, {
-		.name		= "filesystem2",
-		.size		= 0x0AE0000,
-		.offset		= MTDPART_OFS_APPEND,
-	}, {
-		.name		= "ubootenv",
-		.size		= MTDPART_SIZ_FULL,
-		.offset		= MTDPART_OFS_APPEND,
-	},
-};
-
-static struct physmap_flash_data cns3420_nor_pdata = {
-	.width = 2,
-	.parts = cns3420_nor_partitions,
-	.nr_parts = ARRAY_SIZE(cns3420_nor_partitions),
-};
-
-static struct resource cns3420_nor_res = {
-	.start = CNS3XXX_FLASH_BASE,
-	.end = CNS3XXX_FLASH_BASE + SZ_128M - 1,
-	.flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
-};
-
-static struct platform_device cns3420_nor_pdev = {
-	.name = "physmap-flash",
-	.id = 0,
-	.resource = &cns3420_nor_res,
-	.num_resources = 1,
-	.dev = {
-		.platform_data = &cns3420_nor_pdata,
-	},
-};
-
-/*
- * UART
- */
-static void __init cns3420_early_serial_setup(void)
-{
-#ifdef CONFIG_SERIAL_8250_CONSOLE
-	static struct uart_port cns3420_serial_port = {
-		.membase        = (void __iomem *)CNS3XXX_UART0_BASE_VIRT,
-		.mapbase        = CNS3XXX_UART0_BASE,
-		.irq            = IRQ_CNS3XXX_UART0,
-		.iotype         = UPIO_MEM,
-		.flags          = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
-		.regshift       = 2,
-		.uartclk        = 24000000,
-		.line           = 0,
-		.type           = PORT_16550A,
-		.fifosize       = 16,
-	};
-
-	early_serial_setup(&cns3420_serial_port);
-#endif
-}
-
-/*
- * USB
- */
-static struct resource cns3xxx_usb_ehci_resources[] = {
-	[0] = {
-		.start = CNS3XXX_USB_BASE,
-		.end   = CNS3XXX_USB_BASE + SZ_16M - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = IRQ_CNS3XXX_USB_EHCI,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32);
-
-static int csn3xxx_usb_power_on(struct platform_device *pdev)
-{
-	/*
-	 * EHCI and OHCI share the same clock and power,
-	 * resetting twice would cause the 1st controller been reset.
-	 * Therefore only do power up  at the first up device, and
-	 * power down at the last down device.
-	 *
-	 * Set USB AHB INCR length to 16
-	 */
-	if (atomic_inc_return(&usb_pwr_ref) == 1) {
-		cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB);
-		cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST);
-		cns3xxx_pwr_soft_rst(1 << PM_SOFT_RST_REG_OFFST_USB_HOST);
-		__raw_writel((__raw_readl(MISC_CHIP_CONFIG_REG) | (0X2 << 24)),
-			MISC_CHIP_CONFIG_REG);
-	}
-
-	return 0;
-}
-
-static void csn3xxx_usb_power_off(struct platform_device *pdev)
-{
-	/*
-	 * EHCI and OHCI share the same clock and power,
-	 * resetting twice would cause the 1st controller been reset.
-	 * Therefore only do power up  at the first up device, and
-	 * power down at the last down device.
-	 */
-	if (atomic_dec_return(&usb_pwr_ref) == 0)
-		cns3xxx_pwr_clk_dis(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST);
-}
-
-static struct usb_ehci_pdata cns3xxx_usb_ehci_pdata = {
-	.power_on	= csn3xxx_usb_power_on,
-	.power_off	= csn3xxx_usb_power_off,
-};
-
-static struct platform_device cns3xxx_usb_ehci_device = {
-	.name          = "ehci-platform",
-	.num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources),
-	.resource      = cns3xxx_usb_ehci_resources,
-	.dev           = {
-		.dma_mask          = &cns3xxx_usb_ehci_dma_mask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-		.platform_data     = &cns3xxx_usb_ehci_pdata,
-	},
-};
-
-static struct resource cns3xxx_usb_ohci_resources[] = {
-	[0] = {
-		.start = CNS3XXX_USB_OHCI_BASE,
-		.end   = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = IRQ_CNS3XXX_USB_OHCI,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32);
-
-static struct usb_ohci_pdata cns3xxx_usb_ohci_pdata = {
-	.num_ports	= 1,
-	.power_on	= csn3xxx_usb_power_on,
-	.power_off	= csn3xxx_usb_power_off,
-};
-
-static struct platform_device cns3xxx_usb_ohci_device = {
-	.name          = "ohci-platform",
-	.num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources),
-	.resource      = cns3xxx_usb_ohci_resources,
-	.dev           = {
-		.dma_mask          = &cns3xxx_usb_ohci_dma_mask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-		.platform_data	   = &cns3xxx_usb_ohci_pdata,
-	},
-};
-
-/*
- * Initialization
- */
-static struct platform_device *cns3420_pdevs[] __initdata = {
-	&cns3420_nor_pdev,
-	&cns3xxx_usb_ehci_device,
-	&cns3xxx_usb_ohci_device,
-};
-
-static void __init cns3420_init(void)
-{
-	cns3xxx_l2x0_init();
-
-	platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
-
-	cns3xxx_ahci_init();
-	cns3xxx_sdhci_init();
-
-	pm_power_off = cns3xxx_power_off;
-}
-
-static struct map_desc cns3420_io_desc[] __initdata = {
-	{
-		.virtual	= CNS3XXX_UART0_BASE_VIRT,
-		.pfn		= __phys_to_pfn(CNS3XXX_UART0_BASE),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static void __init cns3420_map_io(void)
-{
-	cns3xxx_map_io();
-	iotable_init(cns3420_io_desc, ARRAY_SIZE(cns3420_io_desc));
-
-	cns3420_early_serial_setup();
-}
-
-MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board")
-	.atag_offset	= 0x100,
-	.map_io		= cns3420_map_io,
-	.init_irq	= cns3xxx_init_irq,
-	.init_time	= cns3xxx_timer_init,
-	.init_machine	= cns3420_init,
-	.init_late      = cns3xxx_pcie_init_late,
-	.restart	= cns3xxx_restart,
-MACHINE_END

arch/arm/mach-cns3xxx/core.h

-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright 2000 Deep Blue Solutions Ltd
- * Copyright 2004 ARM Limited
- * Copyright 2008 Cavium Networks
- */
-
-#ifndef __CNS3XXX_CORE_H
-#define __CNS3XXX_CORE_H
-
-#include <linux/reboot.h>
-
-extern void cns3xxx_timer_init(void);
-
-#ifdef CONFIG_CACHE_L2X0
-void __init cns3xxx_l2x0_init(void);
-#else
-static inline void cns3xxx_l2x0_init(void) {}
-#endif /* CONFIG_CACHE_L2X0 */
-
-#ifdef CONFIG_PCI
-extern void __init cns3xxx_pcie_init_late(void);
-#else
-static inline void __init cns3xxx_pcie_init_late(void) {}
-#endif
-
-void __init cns3xxx_map_io(void);
-void __init cns3xxx_init_irq(void);
-void cns3xxx_power_off(void);
-void cns3xxx_restart(enum reboot_mode, const char *);
-
-#endif /* __CNS3XXX_CORE_H */

arch/arm/mach-cns3xxx/devices.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * CNS3xxx common devices
- *
- * Copyright 2008 Cavium Networks
- *		  Scott Shu
- * Copyright 2010 MontaVista Software, LLC.
- *		  Anton Vorontsov <avorontsov@mvista.com>
- */
-
-#include <linux/io.h>
-#include <linux/init.h>
-#include <linux/compiler.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-#include "cns3xxx.h"
-#include "pm.h"
-#include "core.h"
-#include "devices.h"
-
-/*
- * AHCI
- */
-static struct resource cns3xxx_ahci_resource[] = {
-	[0] = {
-		.start	= CNS3XXX_SATA2_BASE,
-		.end	= CNS3XXX_SATA2_BASE + CNS3XXX_SATA2_SIZE - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_CNS3XXX_SATA,
-		.end	= IRQ_CNS3XXX_SATA,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static u64 cns3xxx_ahci_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device cns3xxx_ahci_pdev = {
-	.name		= "ahci",
-	.id		= 0,
-	.resource	= cns3xxx_ahci_resource,
-	.num_resources	= ARRAY_SIZE(cns3xxx_ahci_resource),
-	.dev		= {
-		.dma_mask		= &cns3xxx_ahci_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	},
-};
-
-void __init cns3xxx_ahci_init(void)
-{
-	u32 tmp;
-
-	tmp = __raw_readl(MISC_SATA_POWER_MODE);
-	tmp |= 0x1 << 16; /* Disable SATA PHY 0 from SLUMBER Mode */
-	tmp |= 0x1 << 17; /* Disable SATA PHY 1 from SLUMBER Mode */
-	__raw_writel(tmp, MISC_SATA_POWER_MODE);
-
-	/* Enable SATA PHY */
-	cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY0);
-	cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY1);
-
-	/* Enable SATA Clock */
-	cns3xxx_pwr_clk_en(0x1 << PM_CLK_GATE_REG_OFFSET_SATA);
-
-	/* De-Asscer SATA Reset */
-	cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SATA));
-
-	platform_device_register(&cns3xxx_ahci_pdev);
-}
-
-/*
- * SDHCI
- */
-static struct resource cns3xxx_sdhci_resources[] = {
-	[0] = {
-		.start = CNS3XXX_SDIO_BASE,
-		.end   = CNS3XXX_SDIO_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = IRQ_CNS3XXX_SDIO,
-		.end   = IRQ_CNS3XXX_SDIO,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device cns3xxx_sdhci_pdev = {
-	.name		= "sdhci-cns3xxx",
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(cns3xxx_sdhci_resources),
-	.resource	= cns3xxx_sdhci_resources,
-};
-
-void __init cns3xxx_sdhci_init(void)
-{
-	u32 __iomem *gpioa = IOMEM(CNS3XXX_MISC_BASE_VIRT + 0x0014);
-	u32 gpioa_pins = __raw_readl(gpioa);
-
-	/* MMC/SD pins share with GPIOA */
-	gpioa_pins |= 0x1fff0004;
-	__raw_writel(gpioa_pins, gpioa);
-
-	cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SDIO));
-	cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SDIO));
-
-	platform_device_register(&cns3xxx_sdhci_pdev);
-}

arch/arm/mach-cns3xxx/devices.h

-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * CNS3xxx common devices
- *
- * Copyright 2008 Cavium Networks
- *		  Scott Shu
- * Copyright 2010 MontaVista Software, LLC.
- *		  Anton Vorontsov <avorontsov@mvista.com>
- */
-
-#ifndef __CNS3XXX_DEVICES_H_
-#define __CNS3XXX_DEVICES_H_
-
-void __init cns3xxx_ahci_init(void);
-void __init cns3xxx_sdhci_init(void);
-
-#endif /* __CNS3XXX_DEVICES_H_ */

arch/arm/mach-cns3xxx/pcie.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * PCI-E support for CNS3xxx
- *
- * Copyright 2008 Cavium Networks
- *		  Richard Liu <richard.liu@caviumnetworks.com>
- * Copyright 2010 MontaVista Software, LLC.
- *		  Anton Vorontsov <avorontsov@mvista.com>
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/bug.h>
-#include <linux/pci.h>
-#include <linux/io.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/ptrace.h>
-#include <asm/mach/map.h>
-#include "cns3xxx.h"
-#include "core.h"
-
-struct cns3xxx_pcie {
-	void __iomem *host_regs; /* PCI config registers for host bridge */
-	void __iomem *cfg0_regs; /* PCI Type 0 config registers */
-	void __iomem *cfg1_regs; /* PCI Type 1 config registers */
-	unsigned int irqs[2];
-	struct resource res_io;
-	struct resource res_mem;
-	int port;
-	bool linked;
-};
-
-static struct cns3xxx_pcie *sysdata_to_cnspci(void *sysdata)
-{
-	struct pci_sys_data *root = sysdata;
-
-	return root->private_data;
-}
-
-static struct cns3xxx_pcie *pdev_to_cnspci(const struct pci_dev *dev)
-{
-	return sysdata_to_cnspci(dev->sysdata);
-}
-
-static struct cns3xxx_pcie *pbus_to_cnspci(struct pci_bus *bus)
-{
-	return sysdata_to_cnspci(bus->sysdata);
-}
-
-static void __iomem *cns3xxx_pci_map_bus(struct pci_bus *bus,
-					 unsigned int devfn, int where)
-{
-	struct cns3xxx_pcie *cnspci = pbus_to_cnspci(bus);
-	int busno = bus->number;
-	int slot = PCI_SLOT(devfn);
-	void __iomem *base;
-
-	/* If there is no link, just show the CNS PCI bridge. */
-	if (!cnspci->linked && busno > 0)
-		return NULL;
-
-	/*
-	 * The CNS PCI bridge doesn't fit into the PCI hierarchy, though
-	 * we still want to access it.
-	 * We place the host bridge on bus 0, and the directly connected
-	 * device on bus 1, slot 0.
-	 */
-	if (busno == 0) { /* internal PCIe bus, host bridge device */
-		if (devfn == 0) /* device# and function# are ignored by hw */
-			base = cnspci->host_regs;
-		else
-			return NULL; /* no such device */
-
-	} else if (busno == 1) { /* directly connected PCIe device */
-		if (slot == 0) /* device# is ignored by hw */
-			base = cnspci->cfg0_regs;
-		else
-			return NULL; /* no such device */
-	} else /* remote PCI bus */
-		base = cnspci->cfg1_regs + ((busno & 0xf) << 20);
-
-	return base + where + (devfn << 12);
-}
-
-static int cns3xxx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
-				   int where, int size, u32 *val)
-{
-	int ret;
-	u32 mask = (0x1ull << (size * 8)) - 1;
-	int shift = (where % 4) * 8;
-
-	ret = pci_generic_config_read(bus, devfn, where, size, val);
-
-	if (ret == PCIBIOS_SUCCESSFUL && !bus->number && !devfn &&
-	    (where & 0xffc) == PCI_CLASS_REVISION)
-		/*
-		 * RC's class is 0xb, but Linux PCI driver needs 0x604
-		 * for a PCIe bridge. So we must fixup the class code
-		 * to 0x604 here.
-		 */
-		*val = ((((*val << shift) & 0xff) | (0x604 << 16)) >> shift) & mask;
-
-	return ret;
-}
-
-static int cns3xxx_pci_setup(int nr, struct pci_sys_data *sys)
-{
-	struct cns3xxx_pcie *cnspci = sysdata_to_cnspci(sys);
-	struct resource *res_io = &cnspci->res_io;
-	struct resource *res_mem = &cnspci->res_mem;
-
-	BUG_ON(request_resource(&iomem_resource, res_io) ||
-	       request_resource(&iomem_resource, res_mem));
-
-	pci_add_resource_offset(&sys->resources, res_io, sys->io_offset);
-	pci_add_resource_offset(&sys->resources, res_mem, sys->mem_offset);
-
-	return 1;
-}
-
-static struct pci_ops cns3xxx_pcie_ops = {
-	.map_bus = cns3xxx_pci_map_bus,
-	.read = cns3xxx_pci_read_config,
-	.write = pci_generic_config_write,
-};
-
-static int cns3xxx_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
-	struct cns3xxx_pcie *cnspci = pdev_to_cnspci(dev);
-	int irq = cnspci->irqs[!!dev->bus->number];
-
-	pr_info("PCIe map irq: %04d:%02x:%02x.%02x slot %d, pin %d, irq: %d\n",
-		pci_domain_nr(dev->bus), dev->bus->number, PCI_SLOT(dev->devfn),
-		PCI_FUNC(dev->devfn), slot, pin, irq);
-
-	return irq;
-}
-
-static struct cns3xxx_pcie cns3xxx_pcie[] = {
-	[0] = {
-		.host_regs = (void __iomem *)CNS3XXX_PCIE0_HOST_BASE_VIRT,
-		.cfg0_regs = (void __iomem *)CNS3XXX_PCIE0_CFG0_BASE_VIRT,
-		.cfg1_regs = (void __iomem *)CNS3XXX_PCIE0_CFG1_BASE_VIRT,
-		.res_io = {
-			.name = "PCIe0 I/O space",
-			.start = CNS3XXX_PCIE0_IO_BASE,
-			.end = CNS3XXX_PCIE0_CFG0_BASE - 1, /* 16 MiB */
-			.flags = IORESOURCE_IO,
-		},
-		.res_mem = {
-			.name = "PCIe0 non-prefetchable",
-			.start = CNS3XXX_PCIE0_MEM_BASE,
-			.end = CNS3XXX_PCIE0_HOST_BASE - 1, /* 176 MiB */
-			.flags = IORESOURCE_MEM,
-		},
-		.irqs = { IRQ_CNS3XXX_PCIE0_RC, IRQ_CNS3XXX_PCIE0_DEVICE, },
-		.port = 0,
-	},
-	[1] = {
-		.host_regs = (void __iomem *)CNS3XXX_PCIE1_HOST_BASE_VIRT,
-		.cfg0_regs = (void __iomem *)CNS3XXX_PCIE1_CFG0_BASE_VIRT,
-		.cfg1_regs = (void __iomem *)CNS3XXX_PCIE1_CFG1_BASE_VIRT,
-		.res_io = {
-			.name = "PCIe1 I/O space",
-			.start = CNS3XXX_PCIE1_IO_BASE,
-			.end = CNS3XXX_PCIE1_CFG0_BASE - 1, /* 16 MiB */
-			.flags = IORESOURCE_IO,
-		},
-		.res_mem = {
-			.name = "PCIe1 non-prefetchable",
-			.start = CNS3XXX_PCIE1_MEM_BASE,
-			.end = CNS3XXX_PCIE1_HOST_BASE - 1, /* 176 MiB */
-			.flags = IORESOURCE_MEM,
-		},
-		.irqs = { IRQ_CNS3XXX_PCIE1_RC, IRQ_CNS3XXX_PCIE1_DEVICE, },
-		.port = 1,
-	},
-};
-
-static void __init cns3xxx_pcie_check_link(struct cns3xxx_pcie *cnspci)
-{
-	int port = cnspci->port;
-	u32 reg;
-	unsigned long time;
-
-	reg = __raw_readl(MISC_PCIE_CTRL(port));
-	/*
-	 * Enable Application Request to 1, it will exit L1 automatically,
-	 * but when chip back, it will use another clock, still can use 0x1.
-	 */
-	reg |= 0x3;
-	__raw_writel(reg, MISC_PCIE_CTRL(port));
-
-	pr_info("PCIe: Port[%d] Enable PCIe LTSSM\n", port);
-	pr_info("PCIe: Port[%d] Check data link layer...", port);
-
-	time = jiffies;
-	while (1) {
-		reg = __raw_readl(MISC_PCIE_PM_DEBUG(port));
-		if (reg & 0x1) {
-			pr_info("Link up.\n");
-			cnspci->linked = 1;
-			break;
-		} else if (time_after(jiffies, time + 50)) {
-			pr_info("Device not found.\n");
-			break;
-		}
-	}
-}
-
-static void cns3xxx_write_config(struct cns3xxx_pcie *cnspci,
-					 int where, int size, u32 val)
-{
-	void __iomem *base = cnspci->host_regs + (where & 0xffc);
-	u32 v;
-	u32 mask = (0x1ull << (size * 8)) - 1;
-	int shift = (where % 4) * 8;
-
-	v = readl_relaxed(base);
-
-	v &= ~(mask << shift);
-	v |= (val & mask) << shift;
-
-	writel_relaxed(v, base);
-	readl_relaxed(base);
-}
-
-static void __init cns3xxx_pcie_hw_init(struct cns3xxx_pcie *cnspci)
-{
-	u16 mem_base  = cnspci->res_mem.start >> 16;
-	u16 mem_limit = cnspci->res_mem.end   >> 16;
-	u16 io_base   = cnspci->res_io.start  >> 16;
-	u16 io_limit  = cnspci->res_io.end    >> 16;
-
-	cns3xxx_write_config(cnspci, PCI_PRIMARY_BUS, 1, 0);
-	cns3xxx_write_config(cnspci, PCI_SECONDARY_BUS, 1, 1);
-	cns3xxx_write_config(cnspci, PCI_SUBORDINATE_BUS, 1, 1);
-	cns3xxx_write_config(cnspci, PCI_MEMORY_BASE, 2, mem_base);
-	cns3xxx_write_config(cnspci, PCI_MEMORY_LIMIT, 2, mem_limit);
-	cns3xxx_write_config(cnspci, PCI_IO_BASE_UPPER16, 2, io_base);
-	cns3xxx_write_config(cnspci, PCI_IO_LIMIT_UPPER16, 2, io_limit);
-
-	if (!cnspci->linked)
-		return;
-
-	/* Set Device Max_Read_Request_Size to 128 byte */
-	pcie_bus_config = PCIE_BUS_PEER2PEER;
-
-	/* Disable PCIe0 Interrupt Mask INTA to INTD */
-	__raw_writel(~0x3FFF, MISC_PCIE_INT_MASK(cnspci->port));
-}
-
-static int cns3xxx_pcie_abort_handler(unsigned long addr, unsigned int fsr,
-				      struct pt_regs *regs)
-{
-	if (fsr & (1 << 10))
-		regs->ARM_pc += 4;
-	return 0;
-}
-
-void __init cns3xxx_pcie_init_late(void)
-{
-	int i;
-	void *private_data;
-	struct hw_pci hw_pci = {
-	       .nr_controllers = 1,
-	       .ops = &cns3xxx_pcie_ops,
-	       .setup = cns3xxx_pci_setup,
-	       .map_irq = cns3xxx_pcie_map_irq,
-	       .private_data = &private_data,
-	};
-
-	pcibios_min_io = 0;
-	pcibios_min_mem = 0;
-
-	hook_fault_code(16 + 6, cns3xxx_pcie_abort_handler, SIGBUS, 0,
-			"imprecise external abort");
-
-	for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
-		cns3xxx_pwr_clk_en(0x1 << PM_CLK_GATE_REG_OFFSET_PCIE(i));
-		cns3xxx_pwr_soft_rst(0x1 << PM_SOFT_RST_REG_OFFST_PCIE(i));
-		cns3xxx_pcie_check_link(&cns3xxx_pcie[i]);
-		cns3xxx_pcie_hw_init(&cns3xxx_pcie[i]);
-		private_data = &cns3xxx_pcie[i];
-		pci_common_init(&hw_pci);
-	}
-
-	pci_assign_unassigned_resources();
-}

arch/arm/mach-cns3xxx/pm.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2008 Cavium Networks
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/atomic.h>
-#include "cns3xxx.h"
-#include "pm.h"
-#include "core.h"
-
-void cns3xxx_pwr_clk_en(unsigned int block)
-{
-	u32 reg = __raw_readl(PM_CLK_GATE_REG);
-
-	reg |= (block & PM_CLK_GATE_REG_MASK);
-	__raw_writel(reg, PM_CLK_GATE_REG);
-}
-EXPORT_SYMBOL(cns3xxx_pwr_clk_en);
-
-void cns3xxx_pwr_clk_dis(unsigned int block)
-{
-	u32 reg = __raw_readl(PM_CLK_GATE_REG);
-
-	reg &= ~(block & PM_CLK_GATE_REG_MASK);
-	__raw_writel(reg, PM_CLK_GATE_REG);
-}
-EXPORT_SYMBOL(cns3xxx_pwr_clk_dis);
-
-void cns3xxx_pwr_power_up(unsigned int block)
-{
-	u32 reg = __raw_readl(PM_PLL_HM_PD_CTRL_REG);
-
-	reg &= ~(block & CNS3XXX_PWR_PLL_ALL);
-	__raw_writel(reg, PM_PLL_HM_PD_CTRL_REG);
-
-	/* Wait for 300us for the PLL output clock locked. */
-	udelay(300);
-};
-EXPORT_SYMBOL(cns3xxx_pwr_power_up);
-
-void cns3xxx_pwr_power_down(unsigned int block)
-{
-	u32 reg = __raw_readl(PM_PLL_HM_PD_CTRL_REG);
-
-	/* write '1' to power down */
-	reg |= (block & CNS3XXX_PWR_PLL_ALL);
-	__raw_writel(reg, PM_PLL_HM_PD_CTRL_REG);
-};
-EXPORT_SYMBOL(cns3xxx_pwr_power_down);
-
-static void cns3xxx_pwr_soft_rst_force(unsigned int block)
-{
-	u32 reg = __raw_readl(PM_SOFT_RST_REG);
-
-	/*
-	 * bit 0, 28, 29 => program low to reset,
-	 * the other else program low and then high
-	 */
-	if (block & 0x30000001) {
-		reg &= ~(block & PM_SOFT_RST_REG_MASK);
-	} else {
-		reg &= ~(block & PM_SOFT_RST_REG_MASK);
-		__raw_writel(reg, PM_SOFT_RST_REG);
-		reg |= (block & PM_SOFT_RST_REG_MASK);
-	}
-
-	__raw_writel(reg, PM_SOFT_RST_REG);
-}
-
-void cns3xxx_pwr_soft_rst(unsigned int block)
-{
-	static unsigned int soft_reset;
-
-	if (soft_reset & block) {
-		/* SPI/I2C/GPIO use the same block, reset once. */
-		return;
-	} else {
-		soft_reset |= block;
-	}
-	cns3xxx_pwr_soft_rst_force(block);
-}
-EXPORT_SYMBOL(cns3xxx_pwr_soft_rst);
-
-void cns3xxx_restart(enum reboot_mode mode, const char *cmd)
-{
-	/*
-	 * To reset, we hit the on-board reset register
-	 * in the system FPGA.
-	 */
-	cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(GLOBAL));
-}
-
-/*
- * cns3xxx_cpu_clock - return CPU/L2 clock
- *  aclk: cpu clock/2
- *  hclk: cpu clock/4
- *  pclk: cpu clock/8
- */
-int cns3xxx_cpu_clock(void)
-{
-	u32 reg = __raw_readl(PM_CLK_CTRL_REG);
-	int cpu;
-	int cpu_sel;
-	int div_sel;
-
-	cpu_sel = (reg >> PM_CLK_CTRL_REG_OFFSET_PLL_CPU_SEL) & 0xf;
-	div_sel = (reg >> PM_CLK_CTRL_REG_OFFSET_CPU_CLK_DIV) & 0x3;
-
-	cpu = (300 + ((cpu_sel / 3) * 100) + ((cpu_sel % 3) * 33)) >> div_sel;
-
-	return cpu;
-}
-EXPORT_SYMBOL(cns3xxx_cpu_clock);
-
-atomic_t usb_pwr_ref = ATOMIC_INIT(0);
-EXPORT_SYMBOL(usb_pwr_ref);

arch/arm/mach-cns3xxx/pm.h

-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright 2000 Deep Blue Solutions Ltd
- * Copyright 2004 ARM Limited
- * Copyright 2008 Cavium Networks
- */
-
-#ifndef __CNS3XXX_PM_H
-#define __CNS3XXX_PM_H
-
-#include <linux/atomic.h>
-
-void cns3xxx_pwr_clk_en(unsigned int block);
-void cns3xxx_pwr_clk_dis(unsigned int block);
-void cns3xxx_pwr_power_up(unsigned int block);
-void cns3xxx_pwr_power_down(unsigned int block);
-
-extern atomic_t usb_pwr_ref;
-
-#endif /* __CNS3XXX_PM_H */

drivers/usb/host/Kconfig

@@ -316,18 +316,6 @@ config USB_OCTEON_HCD
 	  To compile this driver as a module, choose M here. The module
 	  will be called octeon-hcd.
 
-config USB_CNS3XXX_EHCI
-	bool "Cavium CNS3XXX EHCI Module (DEPRECATED)"
-	depends on ARCH_CNS3XXX || COMPILE_TEST
-	select USB_EHCI_HCD_PLATFORM
-	help
-	  This option is deprecated now and the driver was removed, use
-	  USB_EHCI_HCD_PLATFORM instead.
-
-	  Enable support for the CNS3XXX SOC's on-chip EHCI controller.
-	  It is needed for high-speed (480Mbit/sec) USB 2.0 device
-	  support.
-
 config USB_EHCI_HCD_PLATFORM
 	tristate "Generic EHCI driver for a platform device"
 	help
@@ -566,17 +554,6 @@ config USB_OHCI_EXYNOS
 	  Enable support for the Samsung S5Pv210 and Exynos SOC's on-chip OHCI
 	  controller.
 
-config USB_CNS3XXX_OHCI
-	bool "Cavium CNS3XXX OHCI Module (DEPRECATED)"
-	depends on ARCH_CNS3XXX || COMPILE_TEST
-	select USB_OHCI_HCD_PLATFORM
-	help
-	  This option is deprecated now and the driver was removed, use
-	  USB_OHCI_HCD_PLATFORM instead.
-
-	  Enable support for the CNS3XXX SOC's on-chip OHCI controller.
-	  It is needed for low-speed USB 1.0 device support.
-
 config USB_OHCI_HCD_PLATFORM
 	tristate "Generic OHCI driver for a platform device"
 	help