diff options
Diffstat (limited to 'arch/mips/emma')
| -rw-r--r-- | arch/mips/emma/Makefile | 7 | ||||
| -rw-r--r-- | arch/mips/emma/Platform | 4 | ||||
| -rw-r--r-- | arch/mips/emma/common/Makefile | 6 | ||||
| -rw-r--r-- | arch/mips/emma/common/prom.c | 56 | ||||
| -rw-r--r-- | arch/mips/emma/markeins/Makefile | 6 | ||||
| -rw-r--r-- | arch/mips/emma/markeins/irq.c | 293 | ||||
| -rw-r--r-- | arch/mips/emma/markeins/led.c | 44 | ||||
| -rw-r--r-- | arch/mips/emma/markeins/platform.c | 199 | ||||
| -rw-r--r-- | arch/mips/emma/markeins/setup.c | 115 |
9 files changed, 0 insertions, 730 deletions
diff --git a/arch/mips/emma/Makefile b/arch/mips/emma/Makefile deleted file mode 100644 index bc03082064ca..000000000000 --- a/arch/mips/emma/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -obj-$(CONFIG_SOC_EMMA2RH) += common/ - -# -# NEC EMMA2RH Mark-eins -# -obj-$(CONFIG_NEC_MARKEINS) += markeins/ diff --git a/arch/mips/emma/Platform b/arch/mips/emma/Platform deleted file mode 100644 index 0282f7f99b88..000000000000 --- a/arch/mips/emma/Platform +++ /dev/null @@ -1,4 +0,0 @@ -platform-$(CONFIG_SOC_EMMA2RH) += emma/ -cflags-$(CONFIG_SOC_EMMA2RH) += \ - -I$(srctree)/arch/mips/include/asm/mach-emma2rh -load-$(CONFIG_NEC_MARKEINS) += 0xffffffff88100000 diff --git a/arch/mips/emma/common/Makefile b/arch/mips/emma/common/Makefile deleted file mode 100644 index a754abd1beb9..000000000000 --- a/arch/mips/emma/common/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-or-later -# -# Copyright (C) NEC Electronics Corporation 2005-2006 -# - -obj-$(CONFIG_NEC_MARKEINS) += prom.o diff --git a/arch/mips/emma/common/prom.c b/arch/mips/emma/common/prom.c deleted file mode 100644 index 7c3a6f32beda..000000000000 --- a/arch/mips/emma/common/prom.c +++ /dev/null @@ -1,56 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) NEC Electronics Corporation 2004-2006 - * - * This file is based on the arch/mips/ddb5xxx/common/prom.c - * - * Copyright 2001 MontaVista Software Inc. - */ -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/memblock.h> - -#include <asm/addrspace.h> -#include <asm/bootinfo.h> -#include <asm/emma/emma2rh.h> - -const char *get_system_type(void) -{ -#ifdef CONFIG_NEC_MARKEINS - return "NEC EMMA2RH Mark-eins"; -#else -#error Unknown NEC board -#endif -} - -/* [jsun@junsun.net] PMON passes arguments in C main() style */ -void __init prom_init(void) -{ - int argc = fw_arg0; - char **arg = (char **)fw_arg1; - int i; - - /* if user passes kernel args, ignore the default one */ - if (argc > 1) - arcs_cmdline[0] = '\0'; - - /* arg[0] is "g", the rest is boot parameters */ - for (i = 1; i < argc; i++) { - if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 - >= sizeof(arcs_cmdline)) - break; - strcat(arcs_cmdline, arg[i]); - strcat(arcs_cmdline, " "); - } - -#ifdef CONFIG_NEC_MARKEINS - add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM); -#else -#error Unknown NEC board -#endif -} - -void __init prom_free_prom_memory(void) -{ -} diff --git a/arch/mips/emma/markeins/Makefile b/arch/mips/emma/markeins/Makefile deleted file mode 100644 index 8c8649069504..000000000000 --- a/arch/mips/emma/markeins/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-or-later -# -# Copyright (C) NEC Electronics Corporation 2005-2006 -# - -obj-$(CONFIG_NEC_MARKEINS) += irq.o setup.o led.o platform.o diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c deleted file mode 100644 index 4aebf559be2e..000000000000 --- a/arch/mips/emma/markeins/irq.c +++ /dev/null @@ -1,293 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) NEC Electronics Corporation 2004-2006 - * - * This file is based on the arch/mips/ddb5xxx/ddb5477/irq.c - * - * Copyright 2001 MontaVista Software Inc. - */ -#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/mipsregs.h> -#include <asm/addrspace.h> -#include <asm/bootinfo.h> - -#include <asm/emma/emma2rh.h> - -static void emma2rh_irq_enable(struct irq_data *d) -{ - unsigned int irq = d->irq - EMMA2RH_IRQ_BASE; - u32 reg_value, reg_bitmask, reg_index; - - reg_index = EMMA2RH_BHIF_INT_EN_0 + - (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0) * (irq / 32); - reg_value = emma2rh_in32(reg_index); - reg_bitmask = 0x1 << (irq % 32); - emma2rh_out32(reg_index, reg_value | reg_bitmask); -} - -static void emma2rh_irq_disable(struct irq_data *d) -{ - unsigned int irq = d->irq - EMMA2RH_IRQ_BASE; - u32 reg_value, reg_bitmask, reg_index; - - reg_index = EMMA2RH_BHIF_INT_EN_0 + - (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0) * (irq / 32); - reg_value = emma2rh_in32(reg_index); - reg_bitmask = 0x1 << (irq % 32); - emma2rh_out32(reg_index, reg_value & ~reg_bitmask); -} - -struct irq_chip emma2rh_irq_controller = { - .name = "emma2rh_irq", - .irq_mask = emma2rh_irq_disable, - .irq_unmask = emma2rh_irq_enable, -}; - -void emma2rh_irq_init(void) -{ - u32 i; - - for (i = 0; i < NUM_EMMA2RH_IRQ; i++) - irq_set_chip_and_handler_name(EMMA2RH_IRQ_BASE + i, - &emma2rh_irq_controller, - handle_level_irq, "level"); -} - -static void emma2rh_sw_irq_enable(struct irq_data *d) -{ - unsigned int irq = d->irq - EMMA2RH_SW_IRQ_BASE; - u32 reg; - - reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN); - reg |= 1 << irq; - emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg); -} - -static void emma2rh_sw_irq_disable(struct irq_data *d) -{ - unsigned int irq = d->irq - EMMA2RH_SW_IRQ_BASE; - u32 reg; - - reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN); - reg &= ~(1 << irq); - emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg); -} - -struct irq_chip emma2rh_sw_irq_controller = { - .name = "emma2rh_sw_irq", - .irq_mask = emma2rh_sw_irq_disable, - .irq_unmask = emma2rh_sw_irq_enable, -}; - -void emma2rh_sw_irq_init(void) -{ - u32 i; - - for (i = 0; i < NUM_EMMA2RH_IRQ_SW; i++) - irq_set_chip_and_handler_name(EMMA2RH_SW_IRQ_BASE + i, - &emma2rh_sw_irq_controller, - handle_level_irq, "level"); -} - -static void emma2rh_gpio_irq_enable(struct irq_data *d) -{ - unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE; - u32 reg; - - reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK); - reg |= 1 << irq; - emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg); -} - -static void emma2rh_gpio_irq_disable(struct irq_data *d) -{ - unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE; - u32 reg; - - reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK); - reg &= ~(1 << irq); - emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg); -} - -static void emma2rh_gpio_irq_ack(struct irq_data *d) -{ - unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE; - - emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq)); -} - -static void emma2rh_gpio_irq_mask_ack(struct irq_data *d) -{ - unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE; - u32 reg; - - emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq)); - - reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK); - reg &= ~(1 << irq); - emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg); -} - -struct irq_chip emma2rh_gpio_irq_controller = { - .name = "emma2rh_gpio_irq", - .irq_ack = emma2rh_gpio_irq_ack, - .irq_mask = emma2rh_gpio_irq_disable, - .irq_mask_ack = emma2rh_gpio_irq_mask_ack, - .irq_unmask = emma2rh_gpio_irq_enable, -}; - -void emma2rh_gpio_irq_init(void) -{ - u32 i; - - for (i = 0; i < NUM_EMMA2RH_IRQ_GPIO; i++) - irq_set_chip_and_handler_name(EMMA2RH_GPIO_IRQ_BASE + i, - &emma2rh_gpio_irq_controller, - handle_edge_irq, "edge"); -} - -/* - * 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 & (1UL << EMMA2RH_SW_CASCADE)) { - 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; - } - } - } - /* Skip S/W interrupt */ - intStatus &= ~(1UL << EMMA2RH_SW_CASCADE); -#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 & (1UL << (EMMA2RH_GPIO_CASCADE % 32))) { - 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; - } - } - } - /* Skip GPIO interrupt */ - intStatus &= ~(1UL << (EMMA2RH_GPIO_CASCADE % 32)); -#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; - } - } -} - -void __init arch_init_irq(void) -{ - u32 reg; - int irq; - - /* 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_sw_irq_init(); - emma2rh_gpio_irq_init(); - mips_cpu_irq_init(); - - /* setup cascade interrupts */ - irq = EMMA2RH_IRQ_BASE + EMMA2RH_SW_CASCADE; - if (request_irq(irq, no_action, IRQF_NO_THREAD, "cascade", NULL)) - pr_err("Failed to request irq %d (cascade)\n", irq); - irq = EMMA2RH_IRQ_BASE + EMMA2RH_GPIO_CASCADE; - if (request_irq(irq, no_action, IRQF_NO_THREAD, "cascade", NULL)) - pr_err("Failed to request irq %d (cascade)\n", irq); - irq = MIPS_CPU_IRQ_BASE + 2; - if (request_irq(irq, no_action, IRQF_NO_THREAD, "cascade", NULL)) - pr_err("Failed to request irq %d (cascade)\n", irq); -} - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; - - if (pending & STATUSF_IP7) - do_IRQ(MIPS_CPU_IRQ_BASE + 7); - else if (pending & STATUSF_IP2) - emma2rh_irq_dispatch(); - else if (pending & STATUSF_IP1) - do_IRQ(MIPS_CPU_IRQ_BASE + 1); - else if (pending & STATUSF_IP0) - do_IRQ(MIPS_CPU_IRQ_BASE + 0); - else - spurious_interrupt(); -} diff --git a/arch/mips/emma/markeins/led.c b/arch/mips/emma/markeins/led.c deleted file mode 100644 index d377542c0ec4..000000000000 --- a/arch/mips/emma/markeins/led.c +++ /dev/null @@ -1,44 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) NEC Electronics Corporation 2004-2006 - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/string.h> -#include <asm/emma/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); -} diff --git a/arch/mips/emma/markeins/platform.c b/arch/mips/emma/markeins/platform.c deleted file mode 100644 index 97eeb9e8fb2b..000000000000 --- a/arch/mips/emma/markeins/platform.c +++ /dev/null @@ -1,199 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright(C) MontaVista Software Inc, 2006 - * - * Author: dmitry pervushin <dpervushin@ru.mvista.com> - */ -#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/emma/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), - .mapbase = 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), - .mapbase = 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), - .mapbase = 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 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 struct physmap_flash_data markeins_flash_data = { - .width = 2, - .nr_parts = ARRAY_SIZE(markeins_parts), - .parts = markeins_parts -}; - -static struct resource markeins_flash_resource = { - .start = 0x1e000000, - .end = 0x02000000, - .flags = IORESOURCE_MEM -}; - -static struct platform_device markeins_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &markeins_flash_data, - }, - .num_resources = 1, - .resource = &markeins_flash_resource, -}; - -static struct platform_device *devices[] = { - i2c_emma_devices, - i2c_emma_devices + 1, - i2c_emma_devices + 2, - &serial_emma, - &markeins_flash_device, -}; - -static int __init platform_devices_setup(void) -{ - return platform_add_devices(devices, ARRAY_SIZE(devices)); -} - -arch_initcall(platform_devices_setup); diff --git a/arch/mips/emma/markeins/setup.c b/arch/mips/emma/markeins/setup.c deleted file mode 100644 index c8a91c2a63bc..000000000000 --- a/arch/mips/emma/markeins/setup.c +++ /dev/null @@ -1,115 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) NEC Electronics Corporation 2004-2006 - * - * This file is based on the arch/mips/ddb5xxx/ddb5477/setup.c. - * - * Copyright 2001 MontaVista Software Inc. - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/types.h> - -#include <asm/time.h> -#include <asm/reboot.h> - -#include <asm/emma/emma2rh.h> - -#define USE_CPU_COUNTER_TIMER /* whether we use cpu counter */ - -extern void markeins_led(const char *); - -static int bus_frequency; - -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) -{ - 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 inline void __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; - - 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"); -} |