diff options
Diffstat (limited to 'arch/mips/mti-sead3')
| -rw-r--r-- | arch/mips/mti-sead3/Makefile | 15 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/Platform | 7 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-console.c | 46 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-display.c | 77 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-init.c | 152 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-int.c | 42 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-lcd.c | 43 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-platform.c | 223 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-reset.c | 40 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-setup.c | 108 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-time.c | 99 |
11 files changed, 0 insertions, 852 deletions
diff --git a/arch/mips/mti-sead3/Makefile b/arch/mips/mti-sead3/Makefile deleted file mode 100644 index 7a584e0bf933..000000000000 --- a/arch/mips/mti-sead3/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -# -# Carsten Langgaard, carstenl@mips.com -# Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. -# -# Copyright (C) 2008 Wind River Systems, Inc. -# written by Ralf Baechle <ralf@linux-mips.org> -# -# Copyright (C) 2012 MIPS Technoligies, Inc. All rights reserved. -# Steven J. Hill <sjhill@mips.com> -# -obj-y := sead3-lcd.o sead3-display.o sead3-init.o \ - sead3-int.o sead3-platform.o sead3-reset.o \ - sead3-setup.o sead3-time.o - -obj-$(CONFIG_EARLY_PRINTK) += sead3-console.o diff --git a/arch/mips/mti-sead3/Platform b/arch/mips/mti-sead3/Platform deleted file mode 100644 index 387092427145..000000000000 --- a/arch/mips/mti-sead3/Platform +++ /dev/null @@ -1,7 +0,0 @@ -# -# MIPS SEAD-3 board -# -platform-$(CONFIG_MIPS_SEAD3) += mti-sead3/ -cflags-$(CONFIG_MIPS_SEAD3) += -I$(srctree)/arch/mips/include/asm/mach-sead3 -load-$(CONFIG_MIPS_SEAD3) += 0xffffffff80100000 -all-$(CONFIG_MIPS_SEAD3) := $(COMPRESSION_FNAME).srec diff --git a/arch/mips/mti-sead3/sead3-console.c b/arch/mips/mti-sead3/sead3-console.c deleted file mode 100644 index 031f47d69770..000000000000 --- a/arch/mips/mti-sead3/sead3-console.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/init.h> -#include <linux/console.h> -#include <linux/serial_reg.h> -#include <linux/io.h> - -#define SEAD_UART1_REGS_BASE 0xbf000800 /* ttyS1 = DB9 port */ -#define SEAD_UART0_REGS_BASE 0xbf000900 /* ttyS0 = USB port */ -#define PORT(base_addr, offset) ((unsigned int __iomem *)(base_addr+(offset)*4)) - -static char console_port = 1; - -static inline unsigned int serial_in(int offset, unsigned int base_addr) -{ - return __raw_readl(PORT(base_addr, offset)) & 0xff; -} - -static inline void serial_out(int offset, int value, unsigned int base_addr) -{ - __raw_writel(value, PORT(base_addr, offset)); -} - -void __init fw_init_early_console(char port) -{ - console_port = port; -} - -int prom_putchar(char c) -{ - unsigned int base_addr; - - base_addr = console_port ? SEAD_UART1_REGS_BASE : SEAD_UART0_REGS_BASE; - - while ((serial_in(UART_LSR, base_addr) & UART_LSR_THRE) == 0) - ; - - serial_out(UART_TX, c, base_addr); - - return 1; -} diff --git a/arch/mips/mti-sead3/sead3-display.c b/arch/mips/mti-sead3/sead3-display.c deleted file mode 100644 index 94875991907b..000000000000 --- a/arch/mips/mti-sead3/sead3-display.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/timer.h> -#include <linux/io.h> -#include <asm/mips-boards/generic.h> - -static unsigned int display_count; -static unsigned int max_display_count; - -#define LCD_DISPLAY_POS_BASE 0x1f000400 -#define DISPLAY_LCDINSTRUCTION (0*2) -#define DISPLAY_LCDDATA (1*2) -#define DISPLAY_CPLDSTATUS (2*2) -#define DISPLAY_CPLDDATA (3*2) -#define LCD_SETDDRAM 0x80 -#define LCD_IR_BF 0x80 - -const char display_string[] = " LINUX ON SEAD3 "; - -static void scroll_display_message(unsigned long data); -static DEFINE_TIMER(mips_scroll_timer, scroll_display_message, HZ, 0); - -static void lcd_wait(unsigned int __iomem *display) -{ - /* Wait for CPLD state machine to become idle. */ - do { } while (__raw_readl(display + DISPLAY_CPLDSTATUS) & 1); - - do { - __raw_readl(display + DISPLAY_LCDINSTRUCTION); - - /* Wait for CPLD state machine to become idle. */ - do { } while (__raw_readl(display + DISPLAY_CPLDSTATUS) & 1); - } while (__raw_readl(display + DISPLAY_CPLDDATA) & LCD_IR_BF); -} - -void mips_display_message(const char *str) -{ - static unsigned int __iomem *display; - char ch; - int i; - - if (unlikely(display == NULL)) - display = ioremap_nocache(LCD_DISPLAY_POS_BASE, - (8 * sizeof(int))); - - for (i = 0; i < 16; i++) { - if (*str) - ch = *str++; - else - ch = ' '; - lcd_wait(display); - __raw_writel((LCD_SETDDRAM | i), - (display + DISPLAY_LCDINSTRUCTION)); - lcd_wait(display); - __raw_writel(ch, display + DISPLAY_LCDDATA); - } -} - -static void scroll_display_message(unsigned long data) -{ - mips_display_message(&display_string[display_count++]); - if (display_count == max_display_count) - display_count = 0; - mod_timer(&mips_scroll_timer, jiffies + HZ); -} - -void mips_scroll_message(void) -{ - del_timer_sync(&mips_scroll_timer); - max_display_count = strlen(display_string) + 1 - 16; - mod_timer(&mips_scroll_timer, jiffies + 1); -} diff --git a/arch/mips/mti-sead3/sead3-init.c b/arch/mips/mti-sead3/sead3-init.c deleted file mode 100644 index 3572ea30173e..000000000000 --- a/arch/mips/mti-sead3/sead3-init.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/init.h> -#include <linux/io.h> - -#include <asm/bootinfo.h> -#include <asm/cacheflush.h> -#include <asm/traps.h> -#include <asm/mips-boards/generic.h> -#include <asm/fw/fw.h> - -extern char except_vec_nmi; -extern char except_vec_ejtag_debug; - -#ifdef CONFIG_SERIAL_8250_CONSOLE -static void __init console_config(void) -{ - char console_string[40]; - int baud = 0; - char parity = '\0', bits = '\0', flow = '\0'; - char *s; - - if ((strstr(fw_getcmdline(), "console=")) == NULL) { - s = fw_getenv("modetty0"); - if (s) { - while (*s >= '0' && *s <= '9') - baud = baud*10 + *s++ - '0'; - if (*s == ',') - s++; - if (*s) - parity = *s++; - if (*s == ',') - s++; - if (*s) - bits = *s++; - if (*s == ',') - s++; - if (*s == 'h') - flow = 'r'; - } - if (baud == 0) - baud = 38400; - if (parity != 'n' && parity != 'o' && parity != 'e') - parity = 'n'; - if (bits != '7' && bits != '8') - bits = '8'; - if (flow == '\0') - flow = 'r'; - sprintf(console_string, " console=ttyS0,%d%c%c%c", baud, - parity, bits, flow); - strcat(fw_getcmdline(), console_string); - } -} -#endif - -static void __init mips_nmi_setup(void) -{ - void *base; - - base = cpu_has_veic ? - (void *)(CAC_BASE + 0xa80) : - (void *)(CAC_BASE + 0x380); -#ifdef CONFIG_CPU_MICROMIPS - /* - * Decrement the exception vector address by one for microMIPS. - */ - memcpy(base, (&except_vec_nmi - 1), 0x80); - - /* - * This is a hack. We do not know if the boot loader was built with - * microMIPS instructions or not. If it was not, the NMI exception - * code at 0x80000a80 will be taken in MIPS32 mode. The hand coded - * assembly below forces us into microMIPS mode if we are a pure - * microMIPS kernel. The assembly instructions are: - * - * 3C1A8000 lui k0,0x8000 - * 375A0381 ori k0,k0,0x381 - * 03400008 jr k0 - * 00000000 nop - * - * The mode switch occurs by jumping to the unaligned exception - * vector address at 0x80000381 which would have been 0x80000380 - * in MIPS32 mode. The jump to the unaligned address transitions - * us into microMIPS mode. - */ - if (!cpu_has_veic) { - void *base2 = (void *)(CAC_BASE + 0xa80); - *((unsigned int *)base2) = 0x3c1a8000; - *((unsigned int *)base2 + 1) = 0x375a0381; - *((unsigned int *)base2 + 2) = 0x03400008; - *((unsigned int *)base2 + 3) = 0x00000000; - flush_icache_range((unsigned long)base2, - (unsigned long)base2 + 0x10); - } -#else - memcpy(base, &except_vec_nmi, 0x80); -#endif - flush_icache_range((unsigned long)base, (unsigned long)base + 0x80); -} - -static void __init mips_ejtag_setup(void) -{ - void *base; - - base = cpu_has_veic ? - (void *)(CAC_BASE + 0xa00) : - (void *)(CAC_BASE + 0x300); -#ifdef CONFIG_CPU_MICROMIPS - /* Deja vu... */ - memcpy(base, (&except_vec_ejtag_debug - 1), 0x80); - if (!cpu_has_veic) { - void *base2 = (void *)(CAC_BASE + 0xa00); - *((unsigned int *)base2) = 0x3c1a8000; - *((unsigned int *)base2 + 1) = 0x375a0301; - *((unsigned int *)base2 + 2) = 0x03400008; - *((unsigned int *)base2 + 3) = 0x00000000; - flush_icache_range((unsigned long)base2, - (unsigned long)base2 + 0x10); - } -#else - memcpy(base, &except_vec_ejtag_debug, 0x80); -#endif - flush_icache_range((unsigned long)base, (unsigned long)base + 0x80); -} - -void __init prom_init(void) -{ - board_nmi_handler_setup = mips_nmi_setup; - board_ejtag_handler_setup = mips_ejtag_setup; - - fw_init_cmdline(); -#ifdef CONFIG_EARLY_PRINTK - if ((strstr(fw_getcmdline(), "console=ttyS0")) != NULL) - fw_init_early_console(0); - else if ((strstr(fw_getcmdline(), "console=ttyS1")) != NULL) - fw_init_early_console(1); -#endif -#ifdef CONFIG_SERIAL_8250_CONSOLE - if ((strstr(fw_getcmdline(), "console=")) == NULL) - strcat(fw_getcmdline(), " console=ttyS0,38400n8r"); - console_config(); -#endif -} - -void __init prom_free_prom_memory(void) -{ -} diff --git a/arch/mips/mti-sead3/sead3-int.c b/arch/mips/mti-sead3/sead3-int.c deleted file mode 100644 index e31e17f81eef..000000000000 --- a/arch/mips/mti-sead3/sead3-int.c +++ /dev/null @@ -1,42 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/irqchip/mips-gic.h> -#include <linux/io.h> - -#include <asm/irq_cpu.h> -#include <asm/setup.h> - -#include <asm/mips-boards/sead3int.h> - -#define SEAD_CONFIG_GIC_PRESENT_SHF 1 -#define SEAD_CONFIG_GIC_PRESENT_MSK (1 << SEAD_CONFIG_GIC_PRESENT_SHF) -#define SEAD_CONFIG_BASE 0x1b100110 -#define SEAD_CONFIG_SIZE 4 - -static void __iomem *sead3_config_reg; - -void __init arch_init_irq(void) -{ - if (!cpu_has_veic) - mips_cpu_irq_init(); - - sead3_config_reg = ioremap_nocache(SEAD_CONFIG_BASE, SEAD_CONFIG_SIZE); - gic_present = (__raw_readl(sead3_config_reg) & - SEAD_CONFIG_GIC_PRESENT_MSK) >> - SEAD_CONFIG_GIC_PRESENT_SHF; - pr_info("GIC: %spresent\n", (gic_present) ? "" : "not "); - pr_info("EIC: %s\n", - (current_cpu_data.options & MIPS_CPU_VEIC) ? "on" : "off"); - - if (gic_present) - gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, CPU_INT_GIC, - MIPS_GIC_IRQ_BASE); -} - diff --git a/arch/mips/mti-sead3/sead3-lcd.c b/arch/mips/mti-sead3/sead3-lcd.c deleted file mode 100644 index 10b10ed21f77..000000000000 --- a/arch/mips/mti-sead3/sead3-lcd.c +++ /dev/null @@ -1,43 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/init.h> -#include <linux/platform_device.h> - -static struct resource __initdata sead3_lcd_resource = { - .start = 0x1f000400, - .end = 0x1f00041f, - .flags = IORESOURCE_MEM, -}; - -static __init int sead3_lcd_add(void) -{ - struct platform_device *pdev; - int retval; - - /* SEAD-3 and Cobalt platforms use same display type. */ - pdev = platform_device_alloc("cobalt-lcd", -1); - if (!pdev) - return -ENOMEM; - - retval = platform_device_add_resources(pdev, &sead3_lcd_resource, 1); - if (retval) - goto err_free_device; - - retval = platform_device_add(pdev); - if (retval) - goto err_free_device; - - return 0; - -err_free_device: - platform_device_put(pdev); - - return retval; -} - -device_initcall(sead3_lcd_add); diff --git a/arch/mips/mti-sead3/sead3-platform.c b/arch/mips/mti-sead3/sead3-platform.c deleted file mode 100644 index 73b73efbfb05..000000000000 --- a/arch/mips/mti-sead3/sead3-platform.c +++ /dev/null @@ -1,223 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/irqchip/mips-gic.h> -#include <linux/leds.h> -#include <linux/mtd/physmap.h> -#include <linux/platform_device.h> -#include <linux/serial_8250.h> -#include <linux/smsc911x.h> - -#include <asm/mips-boards/sead3int.h> - -#define UART(base) \ -{ \ - .mapbase = base, \ - .irq = -1, \ - .uartclk = 14745600, \ - .iotype = UPIO_MEM32, \ - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, \ - .regshift = 2, \ -} - -static struct plat_serial8250_port uart8250_data[] = { - UART(0x1f000900), /* ttyS0 = USB */ - UART(0x1f000800), /* ttyS1 = RS232 */ - { }, -}; - -static struct platform_device uart8250_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM2, - .dev = { - .platform_data = uart8250_data, - }, -}; - -static struct smsc911x_platform_config sead3_smsc911x_data = { - .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, - .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, - .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, - .phy_interface = PHY_INTERFACE_MODE_MII, -}; - -static struct resource sead3_net_resources[] = { - { - .start = 0x1f010000, - .end = 0x1f01ffff, - .flags = IORESOURCE_MEM - }, { - .flags = IORESOURCE_IRQ - } -}; - -static struct platform_device sead3_net_device = { - .name = "smsc911x", - .id = 0, - .dev = { - .platform_data = &sead3_smsc911x_data, - }, - .num_resources = ARRAY_SIZE(sead3_net_resources), - .resource = sead3_net_resources -}; - -static struct mtd_partition sead3_mtd_partitions[] = { - { - .name = "User FS", - .offset = 0x00000000, - .size = 0x01fc0000, - }, { - .name = "Board Config", - .offset = 0x01fc0000, - .size = 0x00040000, - .mask_flags = MTD_WRITEABLE - }, -}; - -static struct physmap_flash_data sead3_flash_data = { - .width = 4, - .nr_parts = ARRAY_SIZE(sead3_mtd_partitions), - .parts = sead3_mtd_partitions -}; - -static struct resource sead3_flash_resource = { - .start = 0x1c000000, - .end = 0x1dffffff, - .flags = IORESOURCE_MEM -}; - -static struct platform_device sead3_flash = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &sead3_flash_data, - }, - .num_resources = 1, - .resource = &sead3_flash_resource, -}; - -#define LEDFLAGS(bits, shift) \ - ((bits << 8) | (shift << 8)) - -#define LEDBITS(id, shift, bits) \ - .name = id #shift, \ - .flags = LEDFLAGS(bits, shift) - -static struct led_info led_data_info[] = { - { LEDBITS("bit", 0, 1) }, - { LEDBITS("bit", 1, 1) }, - { LEDBITS("bit", 2, 1) }, - { LEDBITS("bit", 3, 1) }, - { LEDBITS("bit", 4, 1) }, - { LEDBITS("bit", 5, 1) }, - { LEDBITS("bit", 6, 1) }, - { LEDBITS("bit", 7, 1) }, - { LEDBITS("all", 0, 8) }, -}; - -static struct led_platform_data led_data = { - .num_leds = ARRAY_SIZE(led_data_info), - .leds = led_data_info -}; - -static struct resource pled_resources[] = { - { - .start = 0x1f000210, - .end = 0x1f000217, - .flags = IORESOURCE_MEM - } -}; - -static struct platform_device pled_device = { - .name = "sead3::pled", - .id = 0, - .dev = { - .platform_data = &led_data, - }, - .num_resources = ARRAY_SIZE(pled_resources), - .resource = pled_resources -}; - - -static struct resource fled_resources[] = { - { - .start = 0x1f000218, - .end = 0x1f00021f, - .flags = IORESOURCE_MEM - } -}; - -static struct platform_device fled_device = { - .name = "sead3::fled", - .id = 0, - .dev = { - .platform_data = &led_data, - }, - .num_resources = ARRAY_SIZE(fled_resources), - .resource = fled_resources -}; - -static struct platform_device sead3_led_device = { - .name = "sead3-led", - .id = -1, -}; - -static struct resource ehci_resources[] = { - { - .start = 0x1b200000, - .end = 0x1b200fff, - .flags = IORESOURCE_MEM - }, { - .flags = IORESOURCE_IRQ - } -}; - -static u64 sead3_usbdev_dma_mask = DMA_BIT_MASK(32); - -static struct platform_device ehci_device = { - .name = "sead3-ehci", - .id = 0, - .dev = { - .dma_mask = &sead3_usbdev_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32) - }, - .num_resources = ARRAY_SIZE(ehci_resources), - .resource = ehci_resources -}; - -static struct platform_device *sead3_platform_devices[] __initdata = { - &uart8250_device, - &sead3_flash, - &pled_device, - &fled_device, - &sead3_led_device, - &ehci_device, - &sead3_net_device, -}; - -static int __init sead3_platforms_device_init(void) -{ - if (gic_present) { - uart8250_data[0].irq = MIPS_GIC_IRQ_BASE + GIC_INT_UART0; - uart8250_data[1].irq = MIPS_GIC_IRQ_BASE + GIC_INT_UART1; - ehci_resources[1].start = MIPS_GIC_IRQ_BASE + GIC_INT_EHCI; - sead3_net_resources[1].start = MIPS_GIC_IRQ_BASE + GIC_INT_NET; - } else { - uart8250_data[0].irq = MIPS_CPU_IRQ_BASE + CPU_INT_UART0; - uart8250_data[1].irq = MIPS_CPU_IRQ_BASE + CPU_INT_UART1; - ehci_resources[1].start = MIPS_CPU_IRQ_BASE + CPU_INT_EHCI; - sead3_net_resources[1].start = MIPS_CPU_IRQ_BASE + CPU_INT_NET; - } - - return platform_add_devices(sead3_platform_devices, - ARRAY_SIZE(sead3_platform_devices)); -} - -device_initcall(sead3_platforms_device_init); diff --git a/arch/mips/mti-sead3/sead3-reset.c b/arch/mips/mti-sead3/sead3-reset.c deleted file mode 100644 index e6fb24414a70..000000000000 --- a/arch/mips/mti-sead3/sead3-reset.c +++ /dev/null @@ -1,40 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/io.h> -#include <linux/pm.h> - -#include <asm/reboot.h> - -#define SOFTRES_REG 0x1f000050 -#define GORESET 0x4d - -static void mips_machine_restart(char *command) -{ - unsigned int __iomem *softres_reg = - ioremap(SOFTRES_REG, sizeof(unsigned int)); - - __raw_writel(GORESET, softres_reg); -} - -static void mips_machine_halt(void) -{ - unsigned int __iomem *softres_reg = - ioremap(SOFTRES_REG, sizeof(unsigned int)); - - __raw_writel(GORESET, softres_reg); -} - -static int __init mips_reboot_setup(void) -{ - _machine_restart = mips_machine_restart; - _machine_halt = mips_machine_halt; - pm_power_off = mips_machine_halt; - - return 0; -} -arch_initcall(mips_reboot_setup); diff --git a/arch/mips/mti-sead3/sead3-setup.c b/arch/mips/mti-sead3/sead3-setup.c deleted file mode 100644 index edfcaf06680d..000000000000 --- a/arch/mips/mti-sead3/sead3-setup.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - * Copyright (C) 2013 Imagination Technologies Ltd. - */ -#include <linux/init.h> -#include <linux/libfdt.h> -#include <linux/of_fdt.h> - -#include <asm/prom.h> -#include <asm/fw/fw.h> - -#include <asm/mips-boards/generic.h> - -const char *get_system_type(void) -{ - return "MIPS SEAD3"; -} - -static uint32_t get_memsize_from_cmdline(void) -{ - int memsize = 0; - char *p = arcs_cmdline; - char *s = "memsize="; - - p = strstr(p, s); - if (p) { - p += strlen(s); - memsize = memparse(p, NULL); - } - - return memsize; -} - -static uint32_t get_memsize_from_env(void) -{ - int memsize = 0; - char *p; - - p = fw_getenv("memsize"); - if (p) - memsize = memparse(p, NULL); - - return memsize; -} - -static uint32_t get_memsize(void) -{ - uint32_t memsize; - - memsize = get_memsize_from_cmdline(); - if (memsize) - return memsize; - - return get_memsize_from_env(); -} - -static void __init parse_memsize_param(void) -{ - int offset; - const uint64_t *prop_value; - int prop_len; - uint32_t memsize = get_memsize(); - - if (!memsize) - return; - - offset = fdt_path_offset(__dtb_start, "/memory"); - if (offset > 0) { - uint64_t new_value; - /* - * reg contains 2 32-bits BE values, offset and size. We just - * want to replace the size value without affecting the offset - */ - prop_value = fdt_getprop(__dtb_start, offset, "reg", &prop_len); - new_value = be64_to_cpu(*prop_value); - new_value = (new_value & ~0xffffffffllu) | memsize; - fdt_setprop_inplace_u64(__dtb_start, offset, "reg", new_value); - } -} - -void __init *plat_get_fdt(void) -{ - return (void *)__dtb_start; -} - -void __init plat_mem_setup(void) -{ - /* allow command line/bootloader env to override memory size in DT */ - parse_memsize_param(); - - /* - * Load the builtin devicetree. This causes the chosen node to be - * parsed resulting in our memory appearing - */ - __dt_setup_arch(__dtb_start); -} - -void __init device_tree_init(void) -{ - if (!initial_boot_params) - return; - - unflatten_and_copy_device_tree(); -} diff --git a/arch/mips/mti-sead3/sead3-time.c b/arch/mips/mti-sead3/sead3-time.c deleted file mode 100644 index a120b7a5a8fe..000000000000 --- a/arch/mips/mti-sead3/sead3-time.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/init.h> -#include <linux/irqchip/mips-gic.h> - -#include <asm/cpu.h> -#include <asm/setup.h> -#include <asm/time.h> -#include <asm/irq.h> -#include <asm/mips-boards/generic.h> - -static void __iomem *status_reg = (void __iomem *)0xbf000410; - -/* - * Estimate CPU frequency. Sets mips_hpt_frequency as a side-effect. - */ -static unsigned int __init estimate_cpu_frequency(void) -{ - unsigned int prid = read_c0_prid() & (PRID_COMP_MASK | PRID_IMP_MASK); - unsigned int tick = 0; - unsigned int freq; - unsigned int orig; - unsigned long flags; - - local_irq_save(flags); - - orig = readl(status_reg) & 0x2; /* get original sample */ - /* wait for transition */ - while ((readl(status_reg) & 0x2) == orig) - ; - orig = orig ^ 0x2; /* flip the bit */ - - write_c0_count(0); - - /* wait 1 second (the sampling clock transitions every 10ms) */ - while (tick < 100) { - /* wait for transition */ - while ((readl(status_reg) & 0x2) == orig) - ; - orig = orig ^ 0x2; /* flip the bit */ - tick++; - } - - freq = read_c0_count(); - - local_irq_restore(flags); - - mips_hpt_frequency = freq; - - /* Adjust for processor */ - if ((prid != (PRID_COMP_MIPS | PRID_IMP_20KC)) && - (prid != (PRID_COMP_MIPS | PRID_IMP_25KF))) - freq *= 2; - - freq += 5000; /* rounding */ - freq -= freq%10000; - - return freq ; -} - -void read_persistent_clock(struct timespec *ts) -{ - ts->tv_sec = 0; - ts->tv_nsec = 0; -} - -int get_c0_perfcount_int(void) -{ - if (gic_present) - return gic_get_c0_perfcount_int(); - if (cp0_perfcount_irq >= 0) - return MIPS_CPU_IRQ_BASE + cp0_perfcount_irq; - return -1; -} -EXPORT_SYMBOL_GPL(get_c0_perfcount_int); - -unsigned int get_c0_compare_int(void) -{ - if (gic_present) - return gic_get_c0_compare_int(); - return MIPS_CPU_IRQ_BASE + cp0_compare_irq; -} - -void __init plat_time_init(void) -{ - unsigned int est_freq; - - est_freq = estimate_cpu_frequency(); - - pr_debug("CPU frequency %d.%02d MHz\n", (est_freq / 1000000), - (est_freq % 1000000) * 100 / 1000000); - - mips_scroll_message(); -} |