load-$(CONFIG_PNX8550_STB810) += 0xffffffff80060000
#
-# NEC EMMA2RH boards
+# Common NEC EMMAXXX
#
-core-$(CONFIG_SOC_EMMA2RH) += arch/mips/emma2rh/common/
+core-$(CONFIG_SOC_EMMA) += arch/mips/emma/common/
cflags-$(CONFIG_SOC_EMMA2RH) += -I$(srctree)/arch/mips/include/asm/mach-emma2rh
#
# NEC EMMA2RH Mark-eins
#
-core-$(CONFIG_NEC_MARKEINS) += arch/mips/emma2rh/markeins/
+core-$(CONFIG_NEC_MARKEINS) += arch/mips/emma/markeins/
load-$(CONFIG_NEC_MARKEINS) += 0xffffffff88100000
#
--- /dev/null
+#
+# 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
--- /dev/null
+/*
+ * 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;
+ }
+ }
+}
--- /dev/null
+/*
+ * 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);
+}
--- /dev/null
+/*
+ * 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)
+{
+}
--- /dev/null
+#
+# 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
--- /dev/null
+/*
+ * 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();
+}
+
+
--- /dev/null
+/*
+ * 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);
+}
--- /dev/null
+/*
+ * 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);
+}
--- /dev/null
+/*
+ * 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);
+
--- /dev/null
+/*
+ * 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");
+}
+++ /dev/null
-#
-# 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
+++ /dev/null
-/*
- * 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;
- }
- }
-}
+++ /dev/null
-/*
- * 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);
-}
+++ /dev/null
-/*
- * 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)
-{
-}
+++ /dev/null
-#
-# 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
+++ /dev/null
-/*
- * 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();
-}
-
-
+++ /dev/null
-/*
- * 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);
-}
+++ /dev/null
-/*
- * 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);
-}
+++ /dev/null
-/*
- * 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);
-
+++ /dev/null
-/*
- * 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");
-}
projects / h-e-n / commitdiff