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Commit e73307b9 authored by Arnd Bergmann's avatar Arnd Bergmann
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ARM: cns3xxx: remove entire platform 

cns3xxx was marked as unused a while ago, and gets removed
entirely now.
Acked-by: default avatarKrzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 2b843f82
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MAINTAINERS
View file @ e73307b9
......@@ -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
View file @ e73307b9
......@@ -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
View file @ e73307b9
......@@ -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
View file @ e73307b9
......@@ -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 deleted 100644 → 0
View file @ 2b843f82
# 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 deleted 100644 → 0
View file @ 2b843f82
# 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 deleted 100644 → 0
View file @ 2b843f82
# 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 deleted 100644 → 0
View file @ 2b843f82
// 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/cns3xxx.h deleted 100644 → 0
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arch/arm/mach-cns3xxx/core.c deleted 100644 → 0
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arch/arm/mach-cns3xxx/core.h deleted 100644 → 0
View file @ 2b843f82
/* 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 deleted 100644 → 0
View file @ 2b843f82
// 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 deleted 100644 → 0
View file @ 2b843f82
/* 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 deleted 100644 → 0
View file @ 2b843f82
// 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 deleted 100644 → 0
View file @ 2b843f82
// 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 deleted 100644 → 0
View file @ 2b843f82
/* 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
View file @ e73307b9
......@@ -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
......
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