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MIPS: EMMA: Move arch/mips/emma2rh/ into arch/mips/emma/

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git mv arch/mips/{emma2rh,emma} and fixups Makefiles.  We'll put all NEC
EMMA series based machines there in the future.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Shinya Kuribayashi
2008-10-24 01:29:16 +09:00
committed by Ralf Baechle
parent cd741b604b
commit f27655e341
11 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
arch/mips/emma/common/Makefile Normal file
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#
# arch/mips/emma2rh/common/Makefile
# Makefile for the common code of NEC EMMA2RH based board.
#
# Copyright (C) NEC Electronics Corporation 2005-2006
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
obj-$(CONFIG_NEC_MARKEINS) += irq.o irq_emma2rh.o prom.o

105
arch/mips/emma/common/irq.c Normal file
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/*
* arch/mips/emma2rh/common/irq.c
* This file is common irq dispatcher.
*
* Copyright (C) NEC Electronics Corporation 2005-2006
*
* This file is based on the arch/mips/ddb5xxx/ddb5477/irq.c
*
* Copyright 2001 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/types.h>
#include <asm/system.h>
#include <asm/mipsregs.h>
#include <asm/addrspace.h>
#include <asm/bootinfo.h>
#include <asm/emma2rh/emma2rh.h>
/*
* the first level int-handler will jump here if it is a emma2rh irq
*/
void emma2rh_irq_dispatch(void)
{
u32 intStatus;
u32 bitmask;
u32 i;
intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_0)
& emma2rh_in32(EMMA2RH_BHIF_INT_EN_0);
#ifdef EMMA2RH_SW_CASCADE
if (intStatus &
(1 << ((EMMA2RH_SW_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) {
u32 swIntStatus;
swIntStatus = emma2rh_in32(EMMA2RH_BHIF_SW_INT)
& emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
if (swIntStatus & bitmask) {
do_IRQ(EMMA2RH_SW_IRQ_BASE + i);
return;
}
}
}
#endif
for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
if (intStatus & bitmask) {
do_IRQ(EMMA2RH_IRQ_BASE + i);
return;
}
}
intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_1)
& emma2rh_in32(EMMA2RH_BHIF_INT_EN_1);
#ifdef EMMA2RH_GPIO_CASCADE
if (intStatus &
(1 << ((EMMA2RH_GPIO_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) {
u32 gpioIntStatus;
gpioIntStatus = emma2rh_in32(EMMA2RH_GPIO_INT_ST)
& emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
if (gpioIntStatus & bitmask) {
do_IRQ(EMMA2RH_GPIO_IRQ_BASE + i);
return;
}
}
}
#endif
for (i = 32, bitmask = 1; i < 64; i++, bitmask <<= 1) {
if (intStatus & bitmask) {
do_IRQ(EMMA2RH_IRQ_BASE + i);
return;
}
}
intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_2)
& emma2rh_in32(EMMA2RH_BHIF_INT_EN_2);
for (i = 64, bitmask = 1; i < 96; i++, bitmask <<= 1) {
if (intStatus & bitmask) {
do_IRQ(EMMA2RH_IRQ_BASE + i);
return;
}
}
}

106
arch/mips/emma/common/irq_emma2rh.c Normal file
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/*
* arch/mips/emma2rh/common/irq_emma2rh.c
* This file defines the irq handler for EMMA2RH.
*
* Copyright (C) NEC Electronics Corporation 2005-2006
*
* This file is based on the arch/mips/ddb5xxx/ddb5477/irq_5477.c
*
* Copyright 2001 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* EMMA2RH defines 64 IRQs.
*
* This file exports one function:
* emma2rh_irq_init(u32 irq_base);
*/
#include <linux/interrupt.h>
#include <linux/types.h>
#include <linux/ptrace.h>
#include <asm/debug.h>
#include <asm/emma2rh/emma2rh.h>
/* number of total irqs supported by EMMA2RH */
#define NUM_EMMA2RH_IRQ 96
static int emma2rh_irq_base = -1;
void ll_emma2rh_irq_enable(int);
void ll_emma2rh_irq_disable(int);
static void emma2rh_irq_enable(unsigned int irq)
{
ll_emma2rh_irq_enable(irq - emma2rh_irq_base);
}
static void emma2rh_irq_disable(unsigned int irq)
{
ll_emma2rh_irq_disable(irq - emma2rh_irq_base);
}
struct irq_chip emma2rh_irq_controller = {
.name = "emma2rh_irq",
.ack = emma2rh_irq_disable,
.mask = emma2rh_irq_disable,
.mask_ack = emma2rh_irq_disable,
.unmask = emma2rh_irq_enable,
};
void emma2rh_irq_init(u32 irq_base)
{
u32 i;
for (i = irq_base; i < irq_base + NUM_EMMA2RH_IRQ; i++)
set_irq_chip_and_handler(i, &emma2rh_irq_controller,
handle_level_irq);
emma2rh_irq_base = irq_base;
}
void ll_emma2rh_irq_enable(int emma2rh_irq)
{
u32 reg_value;
u32 reg_bitmask;
u32 reg_index;
reg_index = EMMA2RH_BHIF_INT_EN_0
+ (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0)
* (emma2rh_irq / 32);
reg_value = emma2rh_in32(reg_index);
reg_bitmask = 0x1 << (emma2rh_irq % 32);
db_assert((reg_value & reg_bitmask) == 0);
emma2rh_out32(reg_index, reg_value | reg_bitmask);
}
void ll_emma2rh_irq_disable(int emma2rh_irq)
{
u32 reg_value;
u32 reg_bitmask;
u32 reg_index;
reg_index = EMMA2RH_BHIF_INT_EN_0
+ (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0)
* (emma2rh_irq / 32);
reg_value = emma2rh_in32(reg_index);
reg_bitmask = 0x1 << (emma2rh_irq % 32);
db_assert((reg_value & reg_bitmask) != 0);
emma2rh_out32(reg_index, reg_value & ~reg_bitmask);
}

72
arch/mips/emma/common/prom.c Normal file
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/*
* arch/mips/emma2rh/common/prom.c
* This file is prom file.
*
* Copyright (C) NEC Electronics Corporation 2004-2006
*
* This file is based on the arch/mips/ddb5xxx/common/prom.c
*
* Copyright 2001 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/bootmem.h>
#include <asm/addrspace.h>
#include <asm/bootinfo.h>
#include <asm/emma2rh/emma2rh.h>
const char *get_system_type(void)
{
#ifdef CONFIG_NEC_MARKEINS
return "NEC EMMA2RH Mark-eins";
#else
#error Unknown NEC board
#endif
}
/* [jsun@junsun.net] PMON passes arguments in C main() style */
void __init prom_init(void)
{
int argc = fw_arg0;
char **arg = (char **)fw_arg1;
int i;
/* if user passes kernel args, ignore the default one */
if (argc > 1)
arcs_cmdline[0] = '\0';
/* arg[0] is "g", the rest is boot parameters */
for (i = 1; i < argc; i++) {
if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
>= sizeof(arcs_cmdline))
break;
strcat(arcs_cmdline, arg[i]);
strcat(arcs_cmdline, " ");
}
#ifdef CONFIG_NEC_MARKEINS
add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM);
#else
#error Unknown NEC board
#endif
}
void __init prom_free_prom_memory(void)
{
}

13
arch/mips/emma/markeins/Makefile Normal file
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#
# arch/mips/emma2rh/markeins/Makefile
# Makefile for the common code of NEC EMMA2RH based board.
#
# Copyright (C) NEC Electronics Corporation 2005-2006
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
obj-$(CONFIG_NEC_MARKEINS) += irq.o irq_markeins.o setup.o led.o platform.o

132
arch/mips/emma/markeins/irq.c Normal file
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/*
* arch/mips/emma2rh/markeins/irq.c
* This file defines the irq handler for EMMA2RH.
*
* Copyright (C) NEC Electronics Corporation 2004-2006
*
* This file is based on the arch/mips/ddb5xxx/ddb5477/irq.c
*
* Copyright 2001 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/delay.h>
#include <asm/irq_cpu.h>
#include <asm/system.h>
#include <asm/mipsregs.h>
#include <asm/debug.h>
#include <asm/addrspace.h>
#include <asm/bootinfo.h>
#include <asm/emma2rh/emma2rh.h>
/*
* IRQ mapping
*
* 0-7: 8 CPU interrupts
* 0 - software interrupt 0
* 1 - software interrupt 1
* 2 - most Vrc5477 interrupts are routed to this pin
* 3 - (optional) some other interrupts routed to this pin for debugg
* 4 - not used
* 5 - not used
* 6 - not used
* 7 - cpu timer (used by default)
*
*/
extern void emma2rh_sw_irq_init(u32 base);
extern void emma2rh_gpio_irq_init(u32 base);
extern void emma2rh_irq_init(u32 base);
extern void emma2rh_irq_dispatch(void);
static struct irqaction irq_cascade = {
.handler = no_action,
.flags = 0,
.mask = CPU_MASK_NONE,
.name = "cascade",
.dev_id = NULL,
.next = NULL,
};
void __init arch_init_irq(void)
{
u32 reg;
db_run(printk("markeins_irq_setup invoked.\n"));
/* by default, interrupts are disabled. */
emma2rh_out32(EMMA2RH_BHIF_INT_EN_0, 0);
emma2rh_out32(EMMA2RH_BHIF_INT_EN_1, 0);
emma2rh_out32(EMMA2RH_BHIF_INT_EN_2, 0);
emma2rh_out32(EMMA2RH_BHIF_INT1_EN_0, 0);
emma2rh_out32(EMMA2RH_BHIF_INT1_EN_1, 0);
emma2rh_out32(EMMA2RH_BHIF_INT1_EN_2, 0);
emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, 0);
clear_c0_status(0xff00);
set_c0_status(0x0400);
#define GPIO_PCI (0xf<<15)
/* setup GPIO interrupt for PCI interface */
/* direction input */
reg = emma2rh_in32(EMMA2RH_GPIO_DIR);
emma2rh_out32(EMMA2RH_GPIO_DIR, reg & ~GPIO_PCI);
/* disable interrupt */
reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg & ~GPIO_PCI);
/* level triggerd */
reg = emma2rh_in32(EMMA2RH_GPIO_INT_MODE);
emma2rh_out32(EMMA2RH_GPIO_INT_MODE, reg | GPIO_PCI);
reg = emma2rh_in32(EMMA2RH_GPIO_INT_CND_A);
emma2rh_out32(EMMA2RH_GPIO_INT_CND_A, reg & (~GPIO_PCI));
/* interrupt clear */
emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~GPIO_PCI);
/* init all controllers */
emma2rh_irq_init(EMMA2RH_IRQ_BASE);
emma2rh_sw_irq_init(EMMA2RH_SW_IRQ_BASE);
emma2rh_gpio_irq_init(EMMA2RH_GPIO_IRQ_BASE);
mips_cpu_irq_init();
/* setup cascade interrupts */
setup_irq(EMMA2RH_IRQ_BASE + EMMA2RH_SW_CASCADE, &irq_cascade);
setup_irq(EMMA2RH_IRQ_BASE + EMMA2RH_GPIO_CASCADE, &irq_cascade);
setup_irq(CPU_IRQ_BASE + CPU_EMMA2RH_CASCADE, &irq_cascade);
}
asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
if (pending & STATUSF_IP7)
do_IRQ(CPU_IRQ_BASE + 7);
else if (pending & STATUSF_IP2)
emma2rh_irq_dispatch();
else if (pending & STATUSF_IP1)
do_IRQ(CPU_IRQ_BASE + 1);
else if (pending & STATUSF_IP0)
do_IRQ(CPU_IRQ_BASE + 0);
else
spurious_interrupt();
}

158
arch/mips/emma/markeins/irq_markeins.c Normal file
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/*
* arch/mips/emma2rh/markeins/irq_markeins.c
* This file defines the irq handler for Mark-eins.
*
* Copyright (C) NEC Electronics Corporation 2004-2006
*
* This file is based on the arch/mips/ddb5xxx/ddb5477/irq_5477.c
*
* Copyright 2001 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/types.h>
#include <linux/ptrace.h>
#include <asm/debug.h>
#include <asm/emma2rh/emma2rh.h>
static int emma2rh_sw_irq_base = -1;
static int emma2rh_gpio_irq_base = -1;
void ll_emma2rh_sw_irq_enable(int reg);
void ll_emma2rh_sw_irq_disable(int reg);
void ll_emma2rh_gpio_irq_enable(int reg);
void ll_emma2rh_gpio_irq_disable(int reg);
static void emma2rh_sw_irq_enable(unsigned int irq)
{
ll_emma2rh_sw_irq_enable(irq - emma2rh_sw_irq_base);
}
static void emma2rh_sw_irq_disable(unsigned int irq)
{
ll_emma2rh_sw_irq_disable(irq - emma2rh_sw_irq_base);
}
struct irq_chip emma2rh_sw_irq_controller = {
.name = "emma2rh_sw_irq",
.ack = emma2rh_sw_irq_disable,
.mask = emma2rh_sw_irq_disable,
.mask_ack = emma2rh_sw_irq_disable,
.unmask = emma2rh_sw_irq_enable,
};
void emma2rh_sw_irq_init(u32 irq_base)
{
u32 i;
for (i = irq_base; i < irq_base + NUM_EMMA2RH_IRQ_SW; i++)
set_irq_chip_and_handler(i, &emma2rh_sw_irq_controller,
handle_level_irq);
emma2rh_sw_irq_base = irq_base;
}
void ll_emma2rh_sw_irq_enable(int irq)
{
u32 reg;
db_assert(irq >= 0);
db_assert(irq < NUM_EMMA2RH_IRQ_SW);
reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
reg |= 1 << irq;
emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg);
}
void ll_emma2rh_sw_irq_disable(int irq)
{
u32 reg;
db_assert(irq >= 0);
db_assert(irq < 32);
reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
reg &= ~(1 << irq);
emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg);
}
static void emma2rh_gpio_irq_enable(unsigned int irq)
{
ll_emma2rh_gpio_irq_enable(irq - emma2rh_gpio_irq_base);
}
static void emma2rh_gpio_irq_disable(unsigned int irq)
{
ll_emma2rh_gpio_irq_disable(irq - emma2rh_gpio_irq_base);
}
static void emma2rh_gpio_irq_ack(unsigned int irq)
{
irq -= emma2rh_gpio_irq_base;
emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq));
ll_emma2rh_gpio_irq_disable(irq);
}
static void emma2rh_gpio_irq_end(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
ll_emma2rh_gpio_irq_enable(irq - emma2rh_gpio_irq_base);
}
struct irq_chip emma2rh_gpio_irq_controller = {
.name = "emma2rh_gpio_irq",
.ack = emma2rh_gpio_irq_ack,
.mask = emma2rh_gpio_irq_disable,
.mask_ack = emma2rh_gpio_irq_ack,
.unmask = emma2rh_gpio_irq_enable,
.end = emma2rh_gpio_irq_end,
};
void emma2rh_gpio_irq_init(u32 irq_base)
{
u32 i;
for (i = irq_base; i < irq_base + NUM_EMMA2RH_IRQ_GPIO; i++)
set_irq_chip(i, &emma2rh_gpio_irq_controller);
emma2rh_gpio_irq_base = irq_base;
}
void ll_emma2rh_gpio_irq_enable(int irq)
{
u32 reg;
db_assert(irq >= 0);
db_assert(irq < NUM_EMMA2RH_IRQ_GPIO);
reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
reg |= 1 << irq;
emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
}
void ll_emma2rh_gpio_irq_disable(int irq)
{
u32 reg;
db_assert(irq >= 0);
db_assert(irq < NUM_EMMA2RH_IRQ_GPIO);
reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
reg &= ~(1 << irq);
emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
}

60
arch/mips/emma/markeins/led.c Normal file
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/*
* arch/mips/emma2rh/markeins/led.c
* This file defines the led display for Mark-eins.
*
* Copyright (C) NEC Electronics Corporation 2004-2006
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/string.h>
#include <asm/emma2rh/emma2rh.h>
const unsigned long clear = 0x20202020;
#define LED_BASE 0xb1400038
void markeins_led_clear(void)
{
emma2rh_out32(LED_BASE, clear);
emma2rh_out32(LED_BASE + 4, clear);
}
void markeins_led(const char *str)
{
int i;
int len = strlen(str);
markeins_led_clear();
if (len > 8)
len = 8;
if (emma2rh_in32(0xb0000800) & (0x1 << 18))
for (i = 0; i < len; i++)
emma2rh_out8(LED_BASE + i, str[i]);
else
for (i = 0; i < len; i++)
emma2rh_out8(LED_BASE + (i & 4) + (3 - (i & 3)),
str[i]);
}
void markeins_led_hex(u32 val)
{
char str[10];
sprintf(str, "%08x", val);
markeins_led(str);
}

191
arch/mips/emma/markeins/platform.c Normal file
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/*
* arch/mips/emma2rh/markeins/platofrm.c
* This file sets up platform devices for EMMA2RH Mark-eins.
*
* Copyright(C) MontaVista Software Inc, 2006
*
* Author: dmitry pervushin <dpervushin@ru.mvista.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/serial_8250.h>
#include <linux/mtd/physmap.h>
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/time.h>
#include <asm/bcache.h>
#include <asm/irq.h>
#include <asm/reboot.h>
#include <asm/traps.h>
#include <asm/emma2rh/emma2rh.h>
#define I2C_EMMA2RH "emma2rh-iic" /* must be in sync with IIC driver */
static struct resource i2c_emma_resources_0[] = {
{
.name = NULL,
.start = EMMA2RH_IRQ_PIIC0,
.end = EMMA2RH_IRQ_PIIC0,
.flags = IORESOURCE_IRQ
}, {
.name = NULL,
.start = EMMA2RH_PIIC0_BASE,
.end = EMMA2RH_PIIC0_BASE + 0x1000,
.flags = 0
},
};
struct resource i2c_emma_resources_1[] = {
{
.name = NULL,
.start = EMMA2RH_IRQ_PIIC1,
.end = EMMA2RH_IRQ_PIIC1,
.flags = IORESOURCE_IRQ
}, {
.name = NULL,
.start = EMMA2RH_PIIC1_BASE,
.end = EMMA2RH_PIIC1_BASE + 0x1000,
.flags = 0
},
};
struct resource i2c_emma_resources_2[] = {
{
.name = NULL,
.start = EMMA2RH_IRQ_PIIC2,
.end = EMMA2RH_IRQ_PIIC2,
.flags = IORESOURCE_IRQ
}, {
.name = NULL,
.start = EMMA2RH_PIIC2_BASE,
.end = EMMA2RH_PIIC2_BASE + 0x1000,
.flags = 0
},
};
struct platform_device i2c_emma_devices[] = {
[0] = {
.name = I2C_EMMA2RH,
.id = 0,
.resource = i2c_emma_resources_0,
.num_resources = ARRAY_SIZE(i2c_emma_resources_0),
},
[1] = {
.name = I2C_EMMA2RH,
.id = 1,
.resource = i2c_emma_resources_1,
.num_resources = ARRAY_SIZE(i2c_emma_resources_1),
},
[2] = {
.name = I2C_EMMA2RH,
.id = 2,
.resource = i2c_emma_resources_2,
.num_resources = ARRAY_SIZE(i2c_emma_resources_2),
},
};
#define EMMA2RH_SERIAL_CLOCK 18544000
#define EMMA2RH_SERIAL_FLAGS UPF_BOOT_AUTOCONF | UPF_SKIP_TEST
static struct plat_serial8250_port platform_serial_ports[] = {
[0] = {
.membase= (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR0_BASE + 3),
.irq = EMMA2RH_IRQ_PFUR0,
.uartclk = EMMA2RH_SERIAL_CLOCK,
.regshift = 4,
.iotype = UPIO_MEM,
.flags = EMMA2RH_SERIAL_FLAGS,
}, [1] = {
.membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR1_BASE + 3),
.irq = EMMA2RH_IRQ_PFUR1,
.uartclk = EMMA2RH_SERIAL_CLOCK,
.regshift = 4,
.iotype = UPIO_MEM,
.flags = EMMA2RH_SERIAL_FLAGS,
}, [2] = {
.membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR2_BASE + 3),
.irq = EMMA2RH_IRQ_PFUR2,
.uartclk = EMMA2RH_SERIAL_CLOCK,
.regshift = 4,
.iotype = UPIO_MEM,
.flags = EMMA2RH_SERIAL_FLAGS,
}, [3] = {
.flags = 0,
},
};
static struct platform_device serial_emma = {
.name = "serial8250",
.dev = {
.platform_data = &platform_serial_ports,
},
};
static struct platform_device *devices[] = {
&i2c_emma_devices[0],
&i2c_emma_devices[1],
&i2c_emma_devices[2],
&serial_emma,
};
static struct mtd_partition markeins_parts[] = {
[0] = {
.name = "RootFS",
.offset = 0x00000000,
.size = 0x00c00000,
},
[1] = {
.name = "boot code area",
.offset = MTDPART_OFS_APPEND,
.size = 0x00100000,
},
[2] = {
.name = "kernel image",
.offset = MTDPART_OFS_APPEND,
.size = 0x00300000,
},
[3] = {
.name = "RootFS2",
.offset = MTDPART_OFS_APPEND,
.size = 0x00c00000,
},
[4] = {
.name = "boot code area2",
.offset = MTDPART_OFS_APPEND,
.size = 0x00100000,
},
[5] = {
.name = "kernel image2",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static int __init platform_devices_setup(void)
{
physmap_set_partitions(markeins_parts, ARRAY_SIZE(markeins_parts));
return platform_add_devices(devices, ARRAY_SIZE(devices));
}
arch_initcall(platform_devices_setup);

135
arch/mips/emma/markeins/setup.c Normal file
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/*
* arch/mips/emma2rh/markeins/setup.c
* This file is setup for EMMA2RH Mark-eins.
*
* Copyright (C) NEC Electronics Corporation 2004-2006
*
* This file is based on the arch/mips/ddb5xxx/ddb5477/setup.c.
*
* Copyright 2001 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <asm/time.h>
#include <asm/reboot.h>
#include <asm/emma2rh/emma2rh.h>
#define USE_CPU_COUNTER_TIMER /* whether we use cpu counter */
extern void markeins_led(const char *);
static int bus_frequency = 0;
static void markeins_machine_restart(char *command)
{
static void (*back_to_prom) (void) = (void (*)(void))0xbfc00000;
printk("cannot EMMA2RH Mark-eins restart.\n");
markeins_led("restart.");
back_to_prom();
}
static void markeins_machine_halt(void)
{
printk("EMMA2RH Mark-eins halted.\n");
markeins_led("halted.");
while (1) ;
}
static void markeins_machine_power_off(void)
{
printk("EMMA2RH Mark-eins halted. Please turn off the power.\n");
markeins_led("poweroff.");
while (1) ;
}
static unsigned long __initdata emma2rh_clock[4] = {
166500000, 187312500, 199800000, 210600000
};
static unsigned int __init detect_bus_frequency(unsigned long rtc_base)
{
u32 reg;
/* detect from boot strap */
reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
reg = (reg >> 4) & 0x3;
return emma2rh_clock[reg];
}
void __init plat_time_init(void)
{
u32 reg;
if (bus_frequency == 0)
bus_frequency = detect_bus_frequency(0);
reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
if ((reg & 0x3) == 0)
reg = (reg >> 6) & 0x3;
else {
reg = emma2rh_in32(EMMA2RH_BHIF_MAIN_CTRL);
reg = (reg >> 4) & 0x3;
}
mips_hpt_frequency = (bus_frequency * (4 + reg)) / 4 / 2;
}
static void markeins_board_init(void);
extern void markeins_irq_setup(void);
static void inline __init markeins_sio_setup(void)
{
}
void __init plat_mem_setup(void)
{
/* initialize board - we don't trust the loader */
markeins_board_init();
set_io_port_base(KSEG1ADDR(EMMA2RH_PCI_IO_BASE));
_machine_restart = markeins_machine_restart;
_machine_halt = markeins_machine_halt;
pm_power_off = markeins_machine_power_off;
/* setup resource limits */
ioport_resource.start = EMMA2RH_PCI_IO_BASE;
ioport_resource.end = EMMA2RH_PCI_IO_BASE + EMMA2RH_PCI_IO_SIZE - 1;
iomem_resource.start = EMMA2RH_IO_BASE;
iomem_resource.end = EMMA2RH_ROM_BASE - 1;
/* Reboot on panic */
panic_timeout = 180;
markeins_sio_setup();
}
static void __init markeins_board_init(void)
{
u32 val;
val = emma2rh_in32(EMMA2RH_PBRD_INT_EN); /* open serial interrupts. */
emma2rh_out32(EMMA2RH_PBRD_INT_EN, val | 0xaa);
val = emma2rh_in32(EMMA2RH_PBRD_CLKSEL); /* set serial clocks. */
emma2rh_out32(EMMA2RH_PBRD_CLKSEL, val | 0x5); /* 18MHz */
emma2rh_out32(EMMA2RH_PCI_CONTROL, 0);
markeins_led("MVL E2RH");
}