Commit 18b3b7b3 authored by Linus Walleij's avatar Linus Walleij

ARM: ixp4xx: Drop all common code

After moving away from all the code we depend on in common we can
get a clean device tree boot and delete the common code in
arch/arm/mach-ixp4xx/common.c altogether.

Two physical register addresses remain in use, just copy these
verbatim into uncompress.h.
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220211223238.648934-13-linus.walleij@linaro.orgSigned-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 00ba9357
# SPDX-License-Identifier: GPL-2.0
obj-y += ixp4xx-of.o common.o
obj-y += ixp4xx-of.o
/*
* arch/arm/mach-ixp4xx/common.c
*
* Generic code shared across all IXP4XX platforms
*
* Maintainer: Deepak Saxena <dsaxena@plexity.net>
*
* Copyright 2002 (c) Intel Corporation
* Copyright 2003-2004 (c) MontaVista, Software, Inc.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/interrupt.h>
#include <linux/bitops.h>
#include <linux/io.h>
#include <linux/export.h>
#include <linux/cpu.h>
#include <linux/pci.h>
#include <linux/sched_clock.h>
#include <linux/soc/ixp4xx/cpu.h>
#include <linux/irqchip/irq-ixp4xx.h>
#include <linux/platform_data/timer-ixp4xx.h>
#include <mach/hardware.h>
#include <linux/uaccess.h>
#include <asm/page.h>
#include <asm/exception.h>
#include <asm/irq.h>
#include <asm/system_misc.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
#include "irqs.h"
#define IXP4XX_TIMER_FREQ 66666000
/*************************************************************************
* IXP4xx chipset I/O mapping
*************************************************************************/
static struct map_desc ixp4xx_io_desc[] __initdata = {
{ /* UART, Interrupt ctrl, GPIO, timers, NPEs, MACs, USB .... */
.virtual = (unsigned long)IXP4XX_PERIPHERAL_BASE_VIRT,
.pfn = __phys_to_pfn(IXP4XX_PERIPHERAL_BASE_PHYS),
.length = IXP4XX_PERIPHERAL_REGION_SIZE,
.type = MT_DEVICE
}, { /* Expansion Bus Config Registers */
.virtual = (unsigned long)IXP4XX_EXP_CFG_BASE_VIRT,
.pfn = __phys_to_pfn(IXP4XX_EXP_CFG_BASE_PHYS),
.length = IXP4XX_EXP_CFG_REGION_SIZE,
.type = MT_DEVICE
}, { /* PCI Registers */
.virtual = (unsigned long)IXP4XX_PCI_CFG_BASE_VIRT,
.pfn = __phys_to_pfn(IXP4XX_PCI_CFG_BASE_PHYS),
.length = IXP4XX_PCI_CFG_REGION_SIZE,
.type = MT_DEVICE
},
};
void __init ixp4xx_map_io(void)
{
iotable_init(ixp4xx_io_desc, ARRAY_SIZE(ixp4xx_io_desc));
}
void __init ixp4xx_init_irq(void)
{
/*
* ixp4xx does not implement the XScale PWRMODE register
* so it must not call cpu_do_idle().
*/
cpu_idle_poll_ctrl(true);
ixp4xx_irq_init(IXP4XX_INTC_BASE_PHYS,
(cpu_is_ixp46x() || cpu_is_ixp43x()));
}
void __init ixp4xx_timer_init(void)
{
return ixp4xx_timer_setup(IXP4XX_TIMER_BASE_PHYS,
IRQ_IXP4XX_TIMER1,
IXP4XX_TIMER_FREQ);
}
static struct resource ixp4xx_udc_resources[] = {
[0] = {
.start = 0xc800b000,
.end = 0xc800bfff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_IXP4XX_USB,
.end = IRQ_IXP4XX_USB,
.flags = IORESOURCE_IRQ,
},
};
static struct resource ixp4xx_gpio_resource[] = {
{
.start = IXP4XX_GPIO_BASE_PHYS,
.end = IXP4XX_GPIO_BASE_PHYS + 0xfff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device ixp4xx_gpio_device = {
.name = "ixp4xx-gpio",
.id = -1,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = ixp4xx_gpio_resource,
.num_resources = ARRAY_SIZE(ixp4xx_gpio_resource),
};
/*
* USB device controller. The IXP4xx uses the same controller as PXA25X,
* so we just use the same device.
*/
static struct platform_device ixp4xx_udc_device = {
.name = "pxa25x-udc",
.id = -1,
.num_resources = 2,
.resource = ixp4xx_udc_resources,
};
static struct resource ixp4xx_npe_resources[] = {
{
.start = IXP4XX_NPEA_BASE_PHYS,
.end = IXP4XX_NPEA_BASE_PHYS + 0xfff,
.flags = IORESOURCE_MEM,
},
{
.start = IXP4XX_NPEB_BASE_PHYS,
.end = IXP4XX_NPEB_BASE_PHYS + 0xfff,
.flags = IORESOURCE_MEM,
},
{
.start = IXP4XX_NPEC_BASE_PHYS,
.end = IXP4XX_NPEC_BASE_PHYS + 0xfff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device ixp4xx_npe_device = {
.name = "ixp4xx-npe",
.id = -1,
.num_resources = ARRAY_SIZE(ixp4xx_npe_resources),
.resource = ixp4xx_npe_resources,
};
static struct resource ixp4xx_qmgr_resources[] = {
{
.start = IXP4XX_QMGR_BASE_PHYS,
.end = IXP4XX_QMGR_BASE_PHYS + 0x3fff,
.flags = IORESOURCE_MEM,
},
{
.start = IRQ_IXP4XX_QM1,
.end = IRQ_IXP4XX_QM1,
.flags = IORESOURCE_IRQ,
},
{
.start = IRQ_IXP4XX_QM2,
.end = IRQ_IXP4XX_QM2,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device ixp4xx_qmgr_device = {
.name = "ixp4xx-qmgr",
.id = -1,
.num_resources = ARRAY_SIZE(ixp4xx_qmgr_resources),
.resource = ixp4xx_qmgr_resources,
};
static struct platform_device *ixp4xx_devices[] __initdata = {
&ixp4xx_npe_device,
&ixp4xx_qmgr_device,
&ixp4xx_gpio_device,
&ixp4xx_udc_device,
};
static struct resource ixp46x_i2c_resources[] = {
[0] = {
.start = 0xc8011000,
.end = 0xc801101c,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_IXP4XX_I2C,
.end = IRQ_IXP4XX_I2C,
.flags = IORESOURCE_IRQ
}
};
/* A single 32-bit register on IXP46x */
#define IXP4XX_HWRANDOM_BASE_PHYS 0x70002100
static struct resource ixp46x_hwrandom_resource[] = {
{
.start = IXP4XX_HWRANDOM_BASE_PHYS,
.end = IXP4XX_HWRANDOM_BASE_PHYS + 0x3,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device ixp46x_hwrandom_device = {
.name = "ixp4xx-hwrandom",
.id = -1,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = ixp46x_hwrandom_resource,
.num_resources = ARRAY_SIZE(ixp46x_hwrandom_resource),
};
/*
* I2C controller. The IXP46x uses the same block as the IOP3xx, so
* we just use the same device name.
*/
static struct platform_device ixp46x_i2c_controller = {
.name = "IOP3xx-I2C",
.id = 0,
.num_resources = 2,
.resource = ixp46x_i2c_resources
};
static struct resource ixp46x_ptp_resources[] = {
DEFINE_RES_MEM(IXP4XX_TIMESYNC_BASE_PHYS, SZ_4K),
DEFINE_RES_IRQ_NAMED(IRQ_IXP4XX_GPIO8, "master"),
DEFINE_RES_IRQ_NAMED(IRQ_IXP4XX_GPIO7, "slave"),
};
static struct platform_device ixp46x_ptp = {
.name = "ptp-ixp46x",
.id = -1,
.resource = ixp46x_ptp_resources,
.num_resources = ARRAY_SIZE(ixp46x_ptp_resources),
};
static struct platform_device *ixp46x_devices[] __initdata = {
&ixp46x_hwrandom_device,
&ixp46x_i2c_controller,
&ixp46x_ptp,
};
unsigned long ixp4xx_exp_bus_size;
EXPORT_SYMBOL(ixp4xx_exp_bus_size);
static struct platform_device_info ixp_dev_info __initdata = {
.name = "ixp4xx_crypto",
.id = 0,
.dma_mask = DMA_BIT_MASK(32),
};
static int __init ixp_crypto_register(void)
{
struct platform_device *pdev;
if (!(~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH |
IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) {
printk(KERN_ERR "ixp_crypto: No HW crypto available\n");
return -ENODEV;
}
pdev = platform_device_register_full(&ixp_dev_info);
if (IS_ERR(pdev))
return PTR_ERR(pdev);
return 0;
}
void __init ixp4xx_sys_init(void)
{
ixp4xx_exp_bus_size = SZ_16M;
platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices));
if (IS_ENABLED(CONFIG_CRYPTO_DEV_IXP4XX))
ixp_crypto_register();
if (cpu_is_ixp46x()) {
int region;
platform_add_devices(ixp46x_devices,
ARRAY_SIZE(ixp46x_devices));
for (region = 0; region < 7; region++) {
if((*(IXP4XX_EXP_REG(0x4 * region)) & 0x200)) {
ixp4xx_exp_bus_size = SZ_32M;
break;
}
}
}
printk("IXP4xx: Using %luMiB expansion bus window size\n",
ixp4xx_exp_bus_size >> 20);
}
unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ;
EXPORT_SYMBOL(ixp4xx_timer_freq);
void ixp4xx_restart(enum reboot_mode mode, const char *cmd)
{
if (mode == REBOOT_SOFT) {
/* Jump into ROM at address 0 */
soft_restart(0);
} else {
/* Use on-chip reset capability */
/* set the "key" register to enable access to
* "timer" and "enable" registers
*/
*IXP4XX_OSWK = IXP4XX_WDT_KEY;
/* write 0 to the timer register for an immediate reset */
*IXP4XX_OSWT = 0;
*IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE;
}
}
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-ixp4xx/include/mach/hardware.h
*
* Copyright (C) 2002 Intel Corporation.
* Copyright (C) 2003-2004 MontaVista Software, Inc.
*/
/*
* Hardware definitions for IXP4xx based systems
*/
#ifndef __ASM_ARCH_HARDWARE_H__
#define __ASM_ARCH_HARDWARE_H__
/* Register locations and bits */
#include "ixp4xx-regs.h"
#ifndef __ASSEMBLER__
#include <linux/soc/ixp4xx/cpu.h>
#endif
/* Platform helper functions and definitions */
#include "platform.h"
#endif /* _ASM_ARCH_HARDWARE_H */
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
*
* Register definitions for IXP4xx chipset. This file contains
* register location and bit definitions only. Platform specific
* definitions and helper function declarations are in platform.h
* and machine-name.h.
*
* Copyright (C) 2002 Intel Corporation.
* Copyright (C) 2003-2004 MontaVista Software, Inc.
*/
#ifndef _ASM_ARM_IXP4XX_H_
#define _ASM_ARM_IXP4XX_H_
/*
* IXP4xx Linux Memory Map:
*
* Phy Size Virt Description
* =========================================================================
*
* 0x00000000 0x10000000(max) PAGE_OFFSET System RAM
*
* 0x48000000 0x04000000 ioremap'd PCI Memory Space
*
* 0x50000000 0x10000000 ioremap'd EXP BUS
*
* 0xC8000000 0x00013000 0xFEF00000 On-Chip Peripherals
*
* 0xC0000000 0x00001000 0xFEF13000 PCI CFG
*
* 0xC4000000 0x00001000 0xFEF14000 EXP CFG
*
* 0x60000000 0x00004000 0xFEF15000 QMgr
*/
/*
* Queue Manager
*/
#define IXP4XX_QMGR_BASE_PHYS 0x60000000
/*
* Peripheral space, including debug UART. Must be section-aligned so that
* it can be used with the low-level debug code.
*/
#define IXP4XX_PERIPHERAL_BASE_PHYS 0xC8000000
#define IXP4XX_PERIPHERAL_BASE_VIRT IOMEM(0xFEC00000)
#define IXP4XX_PERIPHERAL_REGION_SIZE 0x00013000
/*
* PCI Config registers
*/
#define IXP4XX_PCI_CFG_BASE_PHYS 0xC0000000
#define IXP4XX_PCI_CFG_BASE_VIRT IOMEM(0xFEC13000)
#define IXP4XX_PCI_CFG_REGION_SIZE 0x00001000
/*
* Expansion BUS Configuration registers
*/
#define IXP4XX_EXP_CFG_BASE_PHYS 0xC4000000
#define IXP4XX_EXP_CFG_BASE_VIRT 0xFEC14000
#define IXP4XX_EXP_CFG_REGION_SIZE 0x00001000
#define IXP4XX_EXP_CS0_OFFSET 0x00
#define IXP4XX_EXP_CS1_OFFSET 0x04
#define IXP4XX_EXP_CS2_OFFSET 0x08
#define IXP4XX_EXP_CS3_OFFSET 0x0C
#define IXP4XX_EXP_CS4_OFFSET 0x10
#define IXP4XX_EXP_CS5_OFFSET 0x14
#define IXP4XX_EXP_CS6_OFFSET 0x18
#define IXP4XX_EXP_CS7_OFFSET 0x1C
#define IXP4XX_EXP_CFG0_OFFSET 0x20
#define IXP4XX_EXP_CFG1_OFFSET 0x24
#define IXP4XX_EXP_CFG2_OFFSET 0x28
#define IXP4XX_EXP_CFG3_OFFSET 0x2C
/*
* Expansion Bus Controller registers.
*/
#define IXP4XX_EXP_REG(x) ((volatile u32 __iomem *)(IXP4XX_EXP_CFG_BASE_VIRT+(x)))
#define IXP4XX_EXP_CS0 IXP4XX_EXP_REG(IXP4XX_EXP_CS0_OFFSET)
#define IXP4XX_EXP_CS1 IXP4XX_EXP_REG(IXP4XX_EXP_CS1_OFFSET)
#define IXP4XX_EXP_CS2 IXP4XX_EXP_REG(IXP4XX_EXP_CS2_OFFSET)
#define IXP4XX_EXP_CS3 IXP4XX_EXP_REG(IXP4XX_EXP_CS3_OFFSET)
#define IXP4XX_EXP_CS4 IXP4XX_EXP_REG(IXP4XX_EXP_CS4_OFFSET)
#define IXP4XX_EXP_CS5 IXP4XX_EXP_REG(IXP4XX_EXP_CS5_OFFSET)
#define IXP4XX_EXP_CS6 IXP4XX_EXP_REG(IXP4XX_EXP_CS6_OFFSET)
#define IXP4XX_EXP_CS7 IXP4XX_EXP_REG(IXP4XX_EXP_CS7_OFFSET)
#define IXP4XX_EXP_CFG0 IXP4XX_EXP_REG(IXP4XX_EXP_CFG0_OFFSET)
#define IXP4XX_EXP_CFG1 IXP4XX_EXP_REG(IXP4XX_EXP_CFG1_OFFSET)
#define IXP4XX_EXP_CFG2 IXP4XX_EXP_REG(IXP4XX_EXP_CFG2_OFFSET)
#define IXP4XX_EXP_CFG3 IXP4XX_EXP_REG(IXP4XX_EXP_CFG3_OFFSET)
/*
* Peripheral Space Register Region Base Addresses
*/
#define IXP4XX_UART1_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x0000)
#define IXP4XX_UART2_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x1000)
#define IXP4XX_PMU_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x2000)
#define IXP4XX_INTC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x3000)
#define IXP4XX_GPIO_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x4000)
#define IXP4XX_TIMER_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x5000)
#define IXP4XX_NPEA_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x6000)
#define IXP4XX_NPEB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x7000)
#define IXP4XX_NPEC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x8000)
#define IXP4XX_EthB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x9000)
#define IXP4XX_EthC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xA000)
#define IXP4XX_USB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xB000)
/* ixp46X only */
#define IXP4XX_EthA_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xC000)
#define IXP4XX_EthB1_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xD000)
#define IXP4XX_EthB2_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xE000)
#define IXP4XX_EthB3_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xF000)
#define IXP4XX_TIMESYNC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x10000)
#define IXP4XX_I2C_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x11000)
#define IXP4XX_SSP_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x12000)
/* The UART is explicitly put in the beginning of fixmap */
#define IXP4XX_UART1_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x0000)
#define IXP4XX_UART2_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x1000)
#define IXP4XX_PMU_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x2000)
#define IXP4XX_INTC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x3000)
#define IXP4XX_GPIO_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x4000)
#define IXP4XX_TIMER_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x5000)
#define IXP4XX_EthB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000)
#define IXP4XX_EthC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000)
#define IXP4XX_USB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000)
/* ixp46X only */
#define IXP4XX_EthA_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xC000)
#define IXP4XX_EthB1_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xD000)
#define IXP4XX_EthB2_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xE000)
#define IXP4XX_EthB3_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xF000)
#define IXP4XX_TIMESYNC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x10000)
#define IXP4XX_I2C_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x11000)
#define IXP4XX_SSP_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x12000)
/*
* Constants to make it easy to access Timer Control/Status registers
*/
#define IXP4XX_OSTS_OFFSET 0x00 /* Continious TimeStamp */
#define IXP4XX_OST1_OFFSET 0x04 /* Timer 1 Timestamp */
#define IXP4XX_OSRT1_OFFSET 0x08 /* Timer 1 Reload */
#define IXP4XX_OST2_OFFSET 0x0C /* Timer 2 Timestamp */
#define IXP4XX_OSRT2_OFFSET 0x10 /* Timer 2 Reload */
#define IXP4XX_OSWT_OFFSET 0x14 /* Watchdog Timer */
#define IXP4XX_OSWE_OFFSET 0x18 /* Watchdog Enable */
#define IXP4XX_OSWK_OFFSET 0x1C /* Watchdog Key */
#define IXP4XX_OSST_OFFSET 0x20 /* Timer Status */
/*
* Operating System Timer Register Definitions.
*/
#define IXP4XX_TIMER_REG(x) ((volatile u32 *)(IXP4XX_TIMER_BASE_VIRT+(x)))
#define IXP4XX_OSTS IXP4XX_TIMER_REG(IXP4XX_OSTS_OFFSET)
#define IXP4XX_OST1 IXP4XX_TIMER_REG(IXP4XX_OST1_OFFSET)
#define IXP4XX_OSRT1 IXP4XX_TIMER_REG(IXP4XX_OSRT1_OFFSET)
#define IXP4XX_OST2 IXP4XX_TIMER_REG(IXP4XX_OST2_OFFSET)
#define IXP4XX_OSRT2 IXP4XX_TIMER_REG(IXP4XX_OSRT2_OFFSET)
#define IXP4XX_OSWT IXP4XX_TIMER_REG(IXP4XX_OSWT_OFFSET)
#define IXP4XX_OSWE IXP4XX_TIMER_REG(IXP4XX_OSWE_OFFSET)
#define IXP4XX_OSWK IXP4XX_TIMER_REG(IXP4XX_OSWK_OFFSET)
#define IXP4XX_OSST IXP4XX_TIMER_REG(IXP4XX_OSST_OFFSET)
/*
* Timer register values and bit definitions
*/
#define IXP4XX_OST_ENABLE 0x00000001
#define IXP4XX_OST_ONE_SHOT 0x00000002
/* Low order bits of reload value ignored */
#define IXP4XX_OST_RELOAD_MASK 0x00000003
#define IXP4XX_OST_DISABLED 0x00000000
#define IXP4XX_OSST_TIMER_1_PEND 0x00000001
#define IXP4XX_OSST_TIMER_2_PEND 0x00000002
#define IXP4XX_OSST_TIMER_TS_PEND 0x00000004
#define IXP4XX_OSST_TIMER_WDOG_PEND 0x00000008
#define IXP4XX_OSST_TIMER_WARM_RESET 0x00000010
#define IXP4XX_WDT_KEY 0x0000482E
#define IXP4XX_WDT_RESET_ENABLE 0x00000001
#define IXP4XX_WDT_IRQ_ENABLE 0x00000002
#define IXP4XX_WDT_COUNT_ENABLE 0x00000004
/*
* Constants to make it easy to access PCI Control/Status registers
*/
#define PCI_NP_AD_OFFSET 0x00
#define PCI_NP_CBE_OFFSET 0x04
#define PCI_NP_WDATA_OFFSET 0x08
#define PCI_NP_RDATA_OFFSET 0x0c
#define PCI_CRP_AD_CBE_OFFSET 0x10
#define PCI_CRP_WDATA_OFFSET 0x14
#define PCI_CRP_RDATA_OFFSET 0x18
#define PCI_CSR_OFFSET 0x1c
#define PCI_ISR_OFFSET 0x20
#define PCI_INTEN_OFFSET 0x24
#define PCI_DMACTRL_OFFSET 0x28
#define PCI_AHBMEMBASE_OFFSET 0x2c
#define PCI_AHBIOBASE_OFFSET 0x30
#define PCI_PCIMEMBASE_OFFSET 0x34
#define PCI_AHBDOORBELL_OFFSET 0x38
#define PCI_PCIDOORBELL_OFFSET 0x3C
#define PCI_ATPDMA0_AHBADDR_OFFSET 0x40
#define PCI_ATPDMA0_PCIADDR_OFFSET 0x44
#define PCI_ATPDMA0_LENADDR_OFFSET 0x48
#define PCI_ATPDMA1_AHBADDR_OFFSET 0x4C
#define PCI_ATPDMA1_PCIADDR_OFFSET 0x50
#define PCI_ATPDMA1_LENADDR_OFFSET 0x54
/*
* PCI Control/Status Registers
*/
#define _IXP4XX_PCI_CSR(x) ((volatile u32 *)(IXP4XX_PCI_CFG_BASE_VIRT+(x)))
#define PCI_NP_AD _IXP4XX_PCI_CSR(PCI_NP_AD_OFFSET)
#define PCI_NP_CBE _IXP4XX_PCI_CSR(PCI_NP_CBE_OFFSET)
#define PCI_NP_WDATA _IXP4XX_PCI_CSR(PCI_NP_WDATA_OFFSET)
#define PCI_NP_RDATA _IXP4XX_PCI_CSR(PCI_NP_RDATA_OFFSET)
#define PCI_CRP_AD_CBE _IXP4XX_PCI_CSR(PCI_CRP_AD_CBE_OFFSET)
#define PCI_CRP_WDATA _IXP4XX_PCI_CSR(PCI_CRP_WDATA_OFFSET)
#define PCI_CRP_RDATA _IXP4XX_PCI_CSR(PCI_CRP_RDATA_OFFSET)
#define PCI_CSR _IXP4XX_PCI_CSR(PCI_CSR_OFFSET)
#define PCI_ISR _IXP4XX_PCI_CSR(PCI_ISR_OFFSET)
#define PCI_INTEN _IXP4XX_PCI_CSR(PCI_INTEN_OFFSET)
#define PCI_DMACTRL _IXP4XX_PCI_CSR(PCI_DMACTRL_OFFSET)
#define PCI_AHBMEMBASE _IXP4XX_PCI_CSR(PCI_AHBMEMBASE_OFFSET)
#define PCI_AHBIOBASE _IXP4XX_PCI_CSR(PCI_AHBIOBASE_OFFSET)
#define PCI_PCIMEMBASE _IXP4XX_PCI_CSR(PCI_PCIMEMBASE_OFFSET)
#define PCI_AHBDOORBELL _IXP4XX_PCI_CSR(PCI_AHBDOORBELL_OFFSET)
#define PCI_PCIDOORBELL _IXP4XX_PCI_CSR(PCI_PCIDOORBELL_OFFSET)
#define PCI_ATPDMA0_AHBADDR _IXP4XX_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET)
#define PCI_ATPDMA0_PCIADDR _IXP4XX_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET)
#define PCI_ATPDMA0_LENADDR _IXP4XX_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET)
#define PCI_ATPDMA1_AHBADDR _IXP4XX_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET)
#define PCI_ATPDMA1_PCIADDR _IXP4XX_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET)
#define PCI_ATPDMA1_LENADDR _IXP4XX_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET)
/*
* PCI register values and bit definitions
*/
/* CSR bit definitions */
#define PCI_CSR_HOST 0x00000001
#define PCI_CSR_ARBEN 0x00000002
#define PCI_CSR_ADS 0x00000004
#define PCI_CSR_PDS 0x00000008
#define PCI_CSR_ABE 0x00000010
#define PCI_CSR_DBT 0x00000020
#define PCI_CSR_ASE 0x00000100
#define PCI_CSR_IC 0x00008000
/* ISR (Interrupt status) Register bit definitions */
#define PCI_ISR_PSE 0x00000001
#define PCI_ISR_PFE 0x00000002
#define PCI_ISR_PPE 0x00000004
#define PCI_ISR_AHBE 0x00000008
#define PCI_ISR_APDC 0x00000010
#define PCI_ISR_PADC 0x00000020
#define PCI_ISR_ADB 0x00000040
#define PCI_ISR_PDB 0x00000080
/* INTEN (Interrupt Enable) Register bit definitions */
#define PCI_INTEN_PSE 0x00000001
#define PCI_INTEN_PFE 0x00000002
#define PCI_INTEN_PPE 0x00000004
#define PCI_INTEN_AHBE 0x00000008
#define PCI_INTEN_APDC 0x00000010
#define PCI_INTEN_PADC 0x00000020
#define PCI_INTEN_ADB 0x00000040
#define PCI_INTEN_PDB 0x00000080
/*
* Shift value for byte enable on NP cmd/byte enable register
*/
#define IXP4XX_PCI_NP_CBE_BESL 4
/*
* PCI commands supported by NP access unit
*/
#define NP_CMD_IOREAD 0x2
#define NP_CMD_IOWRITE 0x3
#define NP_CMD_CONFIGREAD 0xa
#define NP_CMD_CONFIGWRITE 0xb
#define NP_CMD_MEMREAD 0x6
#define NP_CMD_MEMWRITE 0x7
/*
* Constants for CRP access into local config space
*/
#define CRP_AD_CBE_BESL 20
#define CRP_AD_CBE_WRITE 0x00010000
#define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */
#endif
/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-ixp4xx/include/mach/platform.h
*
* Constants and functions that are useful to IXP4xx platform-specific code
* and device drivers.
*
* Copyright (C) 2004 MontaVista Software, Inc.
*/
#ifndef __ASM_ARCH_HARDWARE_H__
#error "Do not include this directly, instead #include <mach/hardware.h>"
#endif
#ifndef __ASSEMBLY__
#include <linux/reboot.h>
#include <linux/platform_data/eth_ixp4xx.h>
#include <asm/types.h>
#ifndef __ARMEB__
#define REG_OFFSET 0
#else
#define REG_OFFSET 3
#endif
/*
* Expansion bus memory regions
*/
#define IXP4XX_EXP_BUS_BASE_PHYS (0x50000000)
/*
* The expansion bus on the IXP4xx can be configured for either 16 or
* 32MB windows and the CS offset for each region changes based on the
* current configuration. This means that we cannot simply hardcode
* each offset. ixp4xx_sys_init() looks at the expansion bus configuration
* as setup by the bootloader to determine our window size.
*/
extern unsigned long ixp4xx_exp_bus_size;
#define IXP4XX_EXP_BUS_BASE(region)\
(IXP4XX_EXP_BUS_BASE_PHYS + ((region) * ixp4xx_exp_bus_size))
#define IXP4XX_EXP_BUS_END(region)\
(IXP4XX_EXP_BUS_BASE(region) + ixp4xx_exp_bus_size - 1)
/* Those macros can be used to adjust timing and configure
* other features for each region.
*/
#define IXP4XX_EXP_BUS_RECOVERY_T(x) (((x) & 0x0f) << 16)
#define IXP4XX_EXP_BUS_HOLD_T(x) (((x) & 0x03) << 20)
#define IXP4XX_EXP_BUS_STROBE_T(x) (((x) & 0x0f) << 22)
#define IXP4XX_EXP_BUS_SETUP_T(x) (((x) & 0x03) << 26)
#define IXP4XX_EXP_BUS_ADDR_T(x) (((x) & 0x03) << 28)
#define IXP4XX_EXP_BUS_SIZE(x) (((x) & 0x0f) << 10)
#define IXP4XX_EXP_BUS_CYCLES(x) (((x) & 0x03) << 14)
#define IXP4XX_EXP_BUS_CS_EN (1L << 31)
#define IXP4XX_EXP_BUS_BYTE_RD16 (1L << 6)
#define IXP4XX_EXP_BUS_HRDY_POL (1L << 5)
#define IXP4XX_EXP_BUS_MUX_EN (1L << 4)
#define IXP4XX_EXP_BUS_SPLT_EN (1L << 3)
#define IXP4XX_EXP_BUS_WR_EN (1L << 1)
#define IXP4XX_EXP_BUS_BYTE_EN (1L << 0)
#define IXP4XX_EXP_BUS_CYCLES_INTEL 0x00
#define IXP4XX_EXP_BUS_CYCLES_MOTOROLA 0x01
#define IXP4XX_EXP_BUS_CYCLES_HPI 0x02
#define IXP4XX_FLASH_WRITABLE (0x2)
#define IXP4XX_FLASH_DEFAULT (0xbcd23c40)
#define IXP4XX_FLASH_WRITE (0xbcd23c42)
/*
* Clock Speed Definitions.
*/
#define IXP4XX_PERIPHERAL_BUS_CLOCK (66) /* 66MHzi APB BUS */
#define IXP4XX_UART_XTAL 14745600
/*
* Frequency of clock used for primary clocksource
*/
extern unsigned long ixp4xx_timer_freq;
/*
* Functions used by platform-level setup code
*/
extern void ixp4xx_map_io(void);
extern void ixp4xx_init_early(void);
extern void ixp4xx_init_irq(void);
extern void ixp4xx_sys_init(void);
extern void ixp4xx_timer_init(void);
extern void ixp4xx_restart(enum reboot_mode, const char *);
#endif // __ASSEMBLY__
......@@ -9,10 +9,12 @@
#ifndef _ARCH_UNCOMPRESS_H_
#define _ARCH_UNCOMPRESS_H_
#include "ixp4xx-regs.h"
#include <asm/mach-types.h>
#include <linux/serial_reg.h>
#define IXP4XX_UART1_BASE_PHYS 0xc8000000
#define IXP4XX_UART2_BASE_PHYS 0xc8001000
#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
volatile u32* uart_base;
......
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-ixp4xx/include/mach/irqs.h
*
* IRQ definitions for IXP4XX based systems
*
* Copyright (C) 2002 Intel Corporation.
* Copyright (C) 2003 MontaVista Software, Inc.
*/
#ifndef _ARCH_IXP4XX_IRQS_H_
#define _ARCH_IXP4XX_IRQS_H_
#define IRQ_IXP4XX_BASE 16
#define IRQ_IXP4XX_NPEA (IRQ_IXP4XX_BASE + 0)
#define IRQ_IXP4XX_NPEB (IRQ_IXP4XX_BASE + 1)
#define IRQ_IXP4XX_NPEC (IRQ_IXP4XX_BASE + 2)
#define IRQ_IXP4XX_QM1 (IRQ_IXP4XX_BASE + 3)
#define IRQ_IXP4XX_QM2 (IRQ_IXP4XX_BASE + 4)
#define IRQ_IXP4XX_TIMER1 (IRQ_IXP4XX_BASE + 5)
#define IRQ_IXP4XX_GPIO0 (IRQ_IXP4XX_BASE + 6)
#define IRQ_IXP4XX_GPIO1 (IRQ_IXP4XX_BASE + 7)
#define IRQ_IXP4XX_PCI_INT (IRQ_IXP4XX_BASE + 8)
#define IRQ_IXP4XX_PCI_DMA1 (IRQ_IXP4XX_BASE + 9)
#define IRQ_IXP4XX_PCI_DMA2 (IRQ_IXP4XX_BASE + 10)
#define IRQ_IXP4XX_TIMER2 (IRQ_IXP4XX_BASE + 11)
#define IRQ_IXP4XX_USB (IRQ_IXP4XX_BASE + 12)
#define IRQ_IXP4XX_UART2 (IRQ_IXP4XX_BASE + 13)
#define IRQ_IXP4XX_TIMESTAMP (IRQ_IXP4XX_BASE + 14)
#define IRQ_IXP4XX_UART1 (IRQ_IXP4XX_BASE + 15)
#define IRQ_IXP4XX_WDOG (IRQ_IXP4XX_BASE + 16)
#define IRQ_IXP4XX_AHB_PMU (IRQ_IXP4XX_BASE + 17)
#define IRQ_IXP4XX_XSCALE_PMU (IRQ_IXP4XX_BASE + 18)
#define IRQ_IXP4XX_GPIO2 (IRQ_IXP4XX_BASE + 19)
#define IRQ_IXP4XX_GPIO3 (IRQ_IXP4XX_BASE + 20)
#define IRQ_IXP4XX_GPIO4 (IRQ_IXP4XX_BASE + 21)
#define IRQ_IXP4XX_GPIO5 (IRQ_IXP4XX_BASE + 22)
#define IRQ_IXP4XX_GPIO6 (IRQ_IXP4XX_BASE + 23)
#define IRQ_IXP4XX_GPIO7 (IRQ_IXP4XX_BASE + 24)
#define IRQ_IXP4XX_GPIO8 (IRQ_IXP4XX_BASE + 25)
#define IRQ_IXP4XX_GPIO9 (IRQ_IXP4XX_BASE + 26)
#define IRQ_IXP4XX_GPIO10 (IRQ_IXP4XX_BASE + 27)
#define IRQ_IXP4XX_GPIO11 (IRQ_IXP4XX_BASE + 28)
#define IRQ_IXP4XX_GPIO12 (IRQ_IXP4XX_BASE + 29)
#define IRQ_IXP4XX_SW_INT1 (IRQ_IXP4XX_BASE + 30)
#define IRQ_IXP4XX_SW_INT2 (IRQ_IXP4XX_BASE + 31)
#define IRQ_IXP4XX_USB_HOST (IRQ_IXP4XX_BASE + 32)
#define IRQ_IXP4XX_I2C (IRQ_IXP4XX_BASE + 33)
#define IRQ_IXP4XX_SSP (IRQ_IXP4XX_BASE + 34)
#define IRQ_IXP4XX_TSYNC (IRQ_IXP4XX_BASE + 35)
#define IRQ_IXP4XX_EAU_DONE (IRQ_IXP4XX_BASE + 36)
#define IRQ_IXP4XX_SHA_DONE (IRQ_IXP4XX_BASE + 37)
#define IRQ_IXP4XX_SWCP_PE (IRQ_IXP4XX_BASE + 58)
#define IRQ_IXP4XX_QM_PE (IRQ_IXP4XX_BASE + 60)
#define IRQ_IXP4XX_MCU_ECC (IRQ_IXP4XX_BASE + 61)
#define IRQ_IXP4XX_EXP_PE (IRQ_IXP4XX_BASE + 62)
#define _IXP4XX_GPIO_IRQ(n) (IRQ_IXP4XX_GPIO ## n)
#define IXP4XX_GPIO_IRQ(n) _IXP4XX_GPIO_IRQ(n)
#define XSCALE_PMU_IRQ (IRQ_IXP4XX_XSCALE_PMU)
#endif
......@@ -33,7 +33,6 @@
/* Intermittent includes, delete this after v5.14-rc1 */
#include <linux/soc/ixp4xx/cpu.h>
#include <mach/ixp4xx-regs.h>
#define MAX_KEYLEN 32
......
......@@ -16,7 +16,6 @@
#include <linux/ptp_clock_kernel.h>
#include <linux/platform_device.h>
#include <linux/soc/ixp4xx/cpu.h>
#include <mach/ixp4xx-regs.h>
#include "ixp46x_ts.h"
......
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