Commit 8a8e5462 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Rich Felker
Browse files

sh: Remove SH5-based Cayman platform 



Since the removal of core support for SH5, Cayman support can no longer
be selected.

Fixes: 37744fee ("sh: remove sh5 support")
Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarRich Felker <dalias@libc.org>
parent 7dfaa9ea

arch/sh/Kconfig

+2 −3
Original line number Diff line number Diff line
@@ -123,8 +123,8 @@ config ARCH_HAS_ILOG2_U64 


config NO_IOPORT_MAP

	def_bool !PCI

	depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \

		   !SH_HP6XX && !SH_SOLUTION_ENGINE

	depends on !SH_SH4202_MICRODEV && !SH_SHMIN && !SH_HP6XX && \

		   !SH_SOLUTION_ENGINE



config IO_TRAPPED

	bool
@@ -726,7 +726,6 @@ config ZERO_PAGE_OFFSET 
config BOOT_LINK_OFFSET

	hex

	default "0x00210000" if SH_SHMIN

	default "0x00400000" if SH_CAYMAN

	default "0x00810000" if SH_7780_SOLUTION_ENGINE

	default "0x009e0000" if SH_TITAN

	default "0x01800000" if SH_SDK7780

arch/sh/Makefile

+0 −5
Original line number Diff line number Diff line
@@ -15,11 +15,7 @@ ifneq ($(SUBARCH),$(ARCH)) 
  endif

endif



ifeq ($(ARCH),sh)

KBUILD_DEFCONFIG	:= shx3_defconfig

else

KBUILD_DEFCONFIG	:= cayman_defconfig

endif



isa-y					:= any

isa-$(CONFIG_SH_DSP)			:= sh
@@ -143,7 +139,6 @@ machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 
machdir-$(CONFIG_SH_SH4202_MICRODEV)		+= mach-microdev

machdir-$(CONFIG_SH_LANDISK)			+= mach-landisk

machdir-$(CONFIG_SH_LBOX_RE2)			+= mach-lboxre2

machdir-$(CONFIG_SH_CAYMAN)			+= mach-cayman

machdir-$(CONFIG_SH_RSK)			+= mach-rsk



ifneq ($(machdir-y),)

arch/sh/boards/Kconfig

+0 −6
Original line number Diff line number Diff line
@@ -340,12 +340,6 @@ config SH_MAGIC_PANEL_R2 
	help

	  Select Magic Panel R2 if configuring for Magic Panel R2.



config SH_CAYMAN

	bool "Hitachi Cayman"

	depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103

	select HAVE_PCI

	select ARCH_MIGHT_HAVE_PC_SERIO



config SH_POLARIS

	bool "SMSC Polaris"

	select CPU_HAS_IPR_IRQ

arch/sh/boards/mach-cayman/Makefile

deleted100644 → 0
+0 −5
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0

#

# Makefile for the Hitachi Cayman specific parts of the kernel

#

obj-y := setup.o irq.o panic.o

arch/sh/boards/mach-cayman/irq.c

deleted100644 → 0
+0 −148
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * arch/sh/mach-cayman/irq.c - SH-5 Cayman Interrupt Support

 *

 * This file handles the board specific parts of the Cayman interrupt system

 *

 * Copyright (C) 2002 Stuart Menefy

 */

#include <linux/io.h>

#include <linux/irq.h>

#include <linux/interrupt.h>

#include <linux/signal.h>

#include <cpu/irq.h>

#include <asm/page.h>



/* Setup for the SMSC FDC37C935 / LAN91C100FD */

#define SMSC_IRQ         IRQ_IRL1



/* Setup for PCI Bus 2, which transmits interrupts via the EPLD */

#define PCI2_IRQ         IRQ_IRL3



unsigned long epld_virt;



#define EPLD_BASE        0x04002000

#define EPLD_STATUS_BASE (epld_virt + 0x10)

#define EPLD_MASK_BASE   (epld_virt + 0x20)



/* Note the SMSC SuperIO chip and SMSC LAN chip interrupts are all muxed onto

   the same SH-5 interrupt */



static irqreturn_t cayman_interrupt_smsc(int irq, void *dev_id)

{

        printk(KERN_INFO "CAYMAN: spurious SMSC interrupt\n");

	return IRQ_NONE;

}



static irqreturn_t cayman_interrupt_pci2(int irq, void *dev_id)

{

        printk(KERN_INFO "CAYMAN: spurious PCI interrupt, IRQ %d\n", irq);

	return IRQ_NONE;

}



static void enable_cayman_irq(struct irq_data *data)

{

	unsigned int irq = data->irq;

	unsigned long flags;

	unsigned long mask;

	unsigned int reg;

	unsigned char bit;



	irq -= START_EXT_IRQS;

	reg = EPLD_MASK_BASE + ((irq / 8) << 2);

	bit = 1<<(irq % 8);

	local_irq_save(flags);

	mask = __raw_readl(reg);

	mask |= bit;

	__raw_writel(mask, reg);

	local_irq_restore(flags);

}



static void disable_cayman_irq(struct irq_data *data)

{

	unsigned int irq = data->irq;

	unsigned long flags;

	unsigned long mask;

	unsigned int reg;

	unsigned char bit;



	irq -= START_EXT_IRQS;

	reg = EPLD_MASK_BASE + ((irq / 8) << 2);

	bit = 1<<(irq % 8);

	local_irq_save(flags);

	mask = __raw_readl(reg);

	mask &= ~bit;

	__raw_writel(mask, reg);

	local_irq_restore(flags);

}



struct irq_chip cayman_irq_type = {

	.name		= "Cayman-IRQ",

	.irq_unmask	= enable_cayman_irq,

	.irq_mask	= disable_cayman_irq,

};



int cayman_irq_demux(int evt)

{

	int irq = intc_evt_to_irq[evt];



	if (irq == SMSC_IRQ) {

		unsigned long status;

		int i;



		status = __raw_readl(EPLD_STATUS_BASE) &

			 __raw_readl(EPLD_MASK_BASE) & 0xff;

		if (status == 0) {

			irq = -1;

		} else {

			for (i=0; i<8; i++) {

				if (status & (1<<i))

					break;

			}

			irq = START_EXT_IRQS + i;

		}

	}



	if (irq == PCI2_IRQ) {

		unsigned long status;

		int i;



		status = __raw_readl(EPLD_STATUS_BASE + 3 * sizeof(u32)) &

			 __raw_readl(EPLD_MASK_BASE + 3 * sizeof(u32)) & 0xff;

		if (status == 0) {

			irq = -1;

		} else {

			for (i=0; i<8; i++) {

				if (status & (1<<i))

					break;

			}

			irq = START_EXT_IRQS + (3 * 8) + i;

		}

	}



	return irq;

}



void init_cayman_irq(void)

{

	int i;



	epld_virt = (unsigned long)ioremap(EPLD_BASE, 1024);

	if (!epld_virt) {

		printk(KERN_ERR "Cayman IRQ: Unable to remap EPLD\n");

		return;

	}



	for (i = 0; i < NR_EXT_IRQS; i++) {

		irq_set_chip_and_handler(START_EXT_IRQS + i,

					 &cayman_irq_type, handle_level_irq);

	}



	/* Setup the SMSC interrupt */

	if (request_irq(SMSC_IRQ, cayman_interrupt_smsc, 0, "Cayman SMSC Mux",

			NULL))

		pr_err("Failed to register Cayman SMSC Mux interrupt\n");

	if (request_irq(PCI2_IRQ, cayman_interrupt_pci2, 0, "Cayman PCI2 Mux",

			NULL))

		pr_err("Failed to register Cayman PCI2 Mux interrupt\n");

}