platforms += loongson32
platforms += loongson64
platforms += mti-malta
-platforms += mti-sead3
platforms += netlogic
platforms += paravirt
platforms += pic32
Microchip PIC32 is a family of general-purpose 32 bit MIPS core
microcontrollers.
-config MIPS_SEAD3
- bool "MIPS SEAD3 board"
- select BOOT_ELF32
- select BOOT_RAW
- select BUILTIN_DTB
- select CEVT_R4K
- select CSRC_R4K
- select CLKSRC_MIPS_GIC
- select COMMON_CLK
- select CPU_MIPSR2_IRQ_VI
- select CPU_MIPSR2_IRQ_EI
- select DMA_NONCOHERENT
- select IRQ_MIPS_CPU
- select MIPS_GIC
- select LIBFDT
- select MIPS_MSC
- select SYS_HAS_CPU_MIPS32_R1
- select SYS_HAS_CPU_MIPS32_R2
- select SYS_HAS_CPU_MIPS32_R6
- select SYS_HAS_CPU_MIPS64_R1
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_SUPPORTS_SMARTMIPS
- select SYS_SUPPORTS_MICROMIPS
- select SYS_SUPPORTS_MIPS16
- select SYS_SUPPORTS_RELOCATABLE
- select USB_EHCI_BIG_ENDIAN_DESC
- select USB_EHCI_BIG_ENDIAN_MMIO
- select USE_OF
- help
- This enables support for the MIPS Technologies SEAD3 evaluation
- board.
-
config NEC_MARKEINS
bool "NEC EMMA2RH Mark-eins board"
select SOC_EMMA2RH
choice
prompt "Kernel command line type" if !CMDLINE_OVERRIDE
default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
- !MIPS_MALTA && !MIPS_SEAD3 && \
+ !MIPS_MALTA && \
!CAVIUM_OCTEON_SOC
default MIPS_CMDLINE_FROM_BOOTLOADER
# Prevent generic merge_config rules attempting to merge single fragments
#
$(generic_config_dir)/%.config: ;
+
+#
+# Legacy defconfig compatibility - these targets used to be real defconfigs but
+# now that the boards have been converted to use the generic kernel they are
+# wrappers around the generic rules above.
+#
+.PHONY: sead3_defconfig
+sead3_defconfig:
+ $(Q)$(MAKE) 32r2el_defconfig BOARDS=sead-3
+
+.PHONY: sead3micro_defconfig
+sead3micro_defconfig:
+ $(Q)$(MAKE) micro32r2el_defconfig BOARDS=sead-3
dtb-$(CONFIG_MIPS_MALTA) += malta.dtb
-dtb-$(CONFIG_MIPS_SEAD3) += sead3.dtb
+dtb-$(CONFIG_LEGACY_BOARD_SEAD3) += sead3.dtb
obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
#address-cells = <1>;
#size-cells = <1>;
compatible = "mti,sead-3";
+ model = "MIPS SEAD-3";
interrupt-parent = <&gic>;
chosen {
--- /dev/null
+CONFIG_LEGACY_BOARD_SEAD3=y
+
+CONFIG_AUXDISPLAY=y
+CONFIG_IMG_ASCII_LCD=y
+
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_SYSCON=y
+
+CONFIG_MMC=y
+CONFIG_MMC_SPI=y
+
+CONFIG_MTD=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_CFI=y
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_OF_PARTS=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_GLUEBI=y
+
+CONFIG_NETDEVICES=y
+CONFIG_SMSC911X=y
+CONFIG_SMSC_PHY=y
+
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+++ /dev/null
-CONFIG_MIPS_SEAD3=y
-CONFIG_CPU_LITTLE_ENDIAN=y
-CONFIG_CPU_MIPS32_R2=y
-CONFIG_HZ_100=y
-CONFIG_SYSVIPC=y
-CONFIG_POSIX_MQUEUE=y
-CONFIG_NO_HZ=y
-CONFIG_HIGH_RES_TIMERS=y
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=15
-CONFIG_EMBEDDED=y
-CONFIG_SLAB=y
-CONFIG_PROFILING=y
-CONFIG_OPROFILE=y
-CONFIG_MODULES=y
-# CONFIG_BLK_DEV_BSG is not set
-CONFIG_CMDLINE_BOOL=y
-CONFIG_CMDLINE="earlycon"
-# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
-CONFIG_NET=y
-CONFIG_PACKET=y
-CONFIG_UNIX=y
-CONFIG_INET=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
-# CONFIG_INET_XFRM_MODE_TUNNEL is not set
-# CONFIG_INET_XFRM_MODE_BEET is not set
-# CONFIG_INET_LRO is not set
-# CONFIG_INET_DIAG is not set
-# CONFIG_IPV6 is not set
-# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
-CONFIG_DEVTMPFS=y
-CONFIG_MTD=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_CFI_INTELEXT=y
-CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_UBI=y
-CONFIG_MTD_UBI_GLUEBI=y
-CONFIG_OF=y
-CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_CRYPTOLOOP=m
-CONFIG_SCSI=y
-# CONFIG_SCSI_PROC_FS is not set
-CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_SG=y
-# CONFIG_SCSI_LOWLEVEL is not set
-CONFIG_NETDEVICES=y
-CONFIG_SMSC911X=y
-# CONFIG_NET_VENDOR_WIZNET is not set
-CONFIG_MARVELL_PHY=y
-CONFIG_DAVICOM_PHY=y
-CONFIG_QSEMI_PHY=y
-CONFIG_LXT_PHY=y
-CONFIG_CICADA_PHY=y
-CONFIG_VITESSE_PHY=y
-CONFIG_SMSC_PHY=y
-CONFIG_BROADCOM_PHY=y
-CONFIG_ICPLUS_PHY=y
-# CONFIG_WLAN is not set
-# CONFIG_INPUT_MOUSEDEV is not set
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-# CONFIG_SERIO is not set
-# CONFIG_CONSOLE_TRANSLATIONS is not set
-CONFIG_VT_HW_CONSOLE_BINDING=y
-CONFIG_LEGACY_PTY_COUNT=32
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=2
-CONFIG_SERIAL_8250_RUNTIME_UARTS=2
-CONFIG_SERIAL_OF_PLATFORM=y
-# CONFIG_HW_RANDOM is not set
-CONFIG_I2C=y
-# CONFIG_I2C_COMPAT is not set
-CONFIG_I2C_CHARDEV=y
-# CONFIG_I2C_HELPER_AUTO is not set
-CONFIG_SPI=y
-CONFIG_POWER_RESET=y
-CONFIG_POWER_RESET_RESTART=y
-CONFIG_POWER_RESET_SYSCON=y
-CONFIG_SENSORS_ADT7475=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
-CONFIG_LCD_CLASS_DEVICE=y
-CONFIG_BACKLIGHT_CLASS_DEVICE=y
-# CONFIG_VGA_CONSOLE is not set
-CONFIG_USB=y
-CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
-CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_ROOT_HUB_TT=y
-CONFIG_USB_STORAGE=y
-CONFIG_MMC=y
-CONFIG_MMC_DEBUG=y
-CONFIG_MMC_SPI=y
-CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=y
-CONFIG_LEDS_SYSCON=y
-CONFIG_LEDS_TRIGGERS=y
-CONFIG_LEDS_TRIGGER_HEARTBEAT=y
-CONFIG_RTC_CLASS=y
-CONFIG_RTC_DRV_M41T80=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-CONFIG_XFS_FS=y
-CONFIG_XFS_QUOTA=y
-CONFIG_XFS_POSIX_ACL=y
-CONFIG_QUOTA=y
-# CONFIG_PRINT_QUOTA_WARNING is not set
-CONFIG_MSDOS_FS=m
-CONFIG_VFAT_FS=m
-CONFIG_TMPFS=y
-CONFIG_JFFS2_FS=y
-CONFIG_NFS_FS=y
-CONFIG_ROOT_NFS=y
-CONFIG_NLS_CODEPAGE_437=y
-CONFIG_NLS_ASCII=y
-CONFIG_NLS_ISO8859_1=y
-CONFIG_NLS_ISO8859_15=y
-CONFIG_NLS_UTF8=y
-# CONFIG_FTRACE is not set
-CONFIG_CRYPTO_CBC=y
-CONFIG_CRYPTO_ECB=y
-CONFIG_CRYPTO_ARC4=y
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
-# CONFIG_CRYPTO_HW is not set
+++ /dev/null
-CONFIG_MIPS_SEAD3=y
-CONFIG_CPU_LITTLE_ENDIAN=y
-CONFIG_CPU_MIPS32_R2=y
-CONFIG_CPU_MICROMIPS=y
-CONFIG_HZ_100=y
-CONFIG_SYSVIPC=y
-CONFIG_POSIX_MQUEUE=y
-CONFIG_NO_HZ=y
-CONFIG_HIGH_RES_TIMERS=y
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=15
-CONFIG_EMBEDDED=y
-CONFIG_SLAB=y
-CONFIG_PROFILING=y
-CONFIG_OPROFILE=y
-CONFIG_MODULES=y
-# CONFIG_BLK_DEV_BSG is not set
-# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
-CONFIG_NET=y
-CONFIG_PACKET=y
-CONFIG_UNIX=y
-CONFIG_INET=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
-# CONFIG_INET_XFRM_MODE_TUNNEL is not set
-# CONFIG_INET_XFRM_MODE_BEET is not set
-# CONFIG_INET_LRO is not set
-# CONFIG_INET_DIAG is not set
-# CONFIG_IPV6 is not set
-# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
-CONFIG_DEVTMPFS=y
-CONFIG_MTD=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_CFI_INTELEXT=y
-CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_UBI=y
-CONFIG_MTD_UBI_GLUEBI=y
-CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_CRYPTOLOOP=m
-CONFIG_SCSI=y
-# CONFIG_SCSI_PROC_FS is not set
-CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_SG=y
-# CONFIG_SCSI_LOWLEVEL is not set
-CONFIG_NETDEVICES=y
-CONFIG_SMSC911X=y
-# CONFIG_NET_VENDOR_WIZNET is not set
-CONFIG_MARVELL_PHY=y
-CONFIG_DAVICOM_PHY=y
-CONFIG_QSEMI_PHY=y
-CONFIG_LXT_PHY=y
-CONFIG_CICADA_PHY=y
-CONFIG_VITESSE_PHY=y
-CONFIG_SMSC_PHY=y
-CONFIG_BROADCOM_PHY=y
-CONFIG_ICPLUS_PHY=y
-# CONFIG_WLAN is not set
-# CONFIG_INPUT_MOUSEDEV is not set
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-# CONFIG_SERIO is not set
-# CONFIG_CONSOLE_TRANSLATIONS is not set
-CONFIG_VT_HW_CONSOLE_BINDING=y
-CONFIG_LEGACY_PTY_COUNT=32
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=2
-CONFIG_SERIAL_8250_RUNTIME_UARTS=2
-# CONFIG_HW_RANDOM is not set
-CONFIG_I2C=y
-# CONFIG_I2C_COMPAT is not set
-CONFIG_I2C_CHARDEV=y
-# CONFIG_I2C_HELPER_AUTO is not set
-CONFIG_SPI=y
-CONFIG_SENSORS_ADT7475=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
-CONFIG_LCD_CLASS_DEVICE=y
-CONFIG_BACKLIGHT_CLASS_DEVICE=y
-# CONFIG_VGA_CONSOLE is not set
-CONFIG_USB=y
-CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
-CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_ROOT_HUB_TT=y
-CONFIG_USB_STORAGE=y
-CONFIG_MMC=y
-CONFIG_MMC_DEBUG=y
-CONFIG_MMC_SPI=y
-CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=y
-CONFIG_LEDS_TRIGGERS=y
-CONFIG_LEDS_TRIGGER_HEARTBEAT=y
-CONFIG_RTC_CLASS=y
-CONFIG_RTC_DRV_M41T80=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-CONFIG_XFS_FS=y
-CONFIG_XFS_QUOTA=y
-CONFIG_XFS_POSIX_ACL=y
-CONFIG_QUOTA=y
-# CONFIG_PRINT_QUOTA_WARNING is not set
-CONFIG_MSDOS_FS=m
-CONFIG_VFAT_FS=m
-CONFIG_TMPFS=y
-CONFIG_JFFS2_FS=y
-CONFIG_NFS_FS=y
-CONFIG_ROOT_NFS=y
-CONFIG_NLS_CODEPAGE_437=y
-CONFIG_NLS_ASCII=y
-CONFIG_NLS_ISO8859_1=y
-CONFIG_NLS_ISO8859_15=y
-CONFIG_NLS_UTF8=y
-# CONFIG_FTRACE is not set
-CONFIG_CRYPTO_CBC=y
-CONFIG_CRYPTO_ECB=y
-CONFIG_CRYPTO_ARC4=y
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
-# CONFIG_CRYPTO_HW is not set
kernel is booted without being provided with an FDT via the UHI
boot protocol.
+config LEGACY_BOARD_SEAD3
+ bool "Support MIPS SEAD-3 boards"
+ select LEGACY_BOARDS
+ help
+ Enable this to include support for booting on MIPS SEAD-3 FPGA-based
+ development boards, which boot using a legacy boot protocol.
+
endif
obj-y += init.o
obj-y += irq.o
obj-y += proc.o
+
+obj-$(CONFIG_LEGACY_BOARD_SEAD3) += board-sead3.o
--- /dev/null
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.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.
+ */
+
+#define pr_fmt(fmt) "sead3: " fmt
+
+#include <linux/errno.h>
+#include <linux/libfdt.h>
+#include <linux/printk.h>
+
+#include <asm/fw/fw.h>
+#include <asm/io.h>
+#include <asm/machine.h>
+
+#define SEAD_CONFIG CKSEG1ADDR(0x1b100110)
+#define SEAD_CONFIG_GIC_PRESENT BIT(1)
+
+#define MIPS_REVISION CKSEG1ADDR(0x1fc00010)
+#define MIPS_REVISION_MACHINE (0xf << 4)
+#define MIPS_REVISION_MACHINE_SEAD3 (0x4 << 4)
+
+static __init bool sead3_detect(void)
+{
+ uint32_t rev;
+
+ rev = __raw_readl((void *)MIPS_REVISION);
+ return (rev & MIPS_REVISION_MACHINE) == MIPS_REVISION_MACHINE_SEAD3;
+}
+
+static __init int append_cmdline(void *fdt)
+{
+ int err, chosen_off;
+
+ /* find or add chosen node */
+ chosen_off = fdt_path_offset(fdt, "/chosen");
+ if (chosen_off == -FDT_ERR_NOTFOUND)
+ chosen_off = fdt_path_offset(fdt, "/chosen@0");
+ if (chosen_off == -FDT_ERR_NOTFOUND)
+ chosen_off = fdt_add_subnode(fdt, 0, "chosen");
+ if (chosen_off < 0) {
+ pr_err("Unable to find or add DT chosen node: %d\n",
+ chosen_off);
+ return chosen_off;
+ }
+
+ err = fdt_setprop_string(fdt, chosen_off, "bootargs", fw_getcmdline());
+ if (err) {
+ pr_err("Unable to set bootargs property: %d\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static __init int append_memory(void *fdt)
+{
+ unsigned long phys_memsize, memsize;
+ __be32 mem_array[2];
+ int err, mem_off;
+ char *var;
+
+ /* find memory size from the bootloader environment */
+ var = fw_getenv("memsize");
+ if (var) {
+ err = kstrtoul(var, 0, &phys_memsize);
+ if (err) {
+ pr_err("Failed to read memsize env variable '%s'\n",
+ var);
+ return -EINVAL;
+ }
+ } else {
+ pr_warn("The bootloader didn't provide memsize: defaulting to 32MB\n");
+ phys_memsize = 32 << 20;
+ }
+
+ /* default to using all available RAM */
+ memsize = phys_memsize;
+
+ /* allow the user to override the usable memory */
+ var = strstr(arcs_cmdline, "memsize=");
+ if (var)
+ memsize = memparse(var + strlen("memsize="), NULL);
+
+ /* if the user says there's more RAM than we thought, believe them */
+ phys_memsize = max_t(unsigned long, phys_memsize, memsize);
+
+ /* find or add a memory node */
+ mem_off = fdt_path_offset(fdt, "/memory");
+ if (mem_off == -FDT_ERR_NOTFOUND)
+ mem_off = fdt_add_subnode(fdt, 0, "memory");
+ if (mem_off < 0) {
+ pr_err("Unable to find or add memory DT node: %d\n", mem_off);
+ return mem_off;
+ }
+
+ err = fdt_setprop_string(fdt, mem_off, "device_type", "memory");
+ if (err) {
+ pr_err("Unable to set memory node device_type: %d\n", err);
+ return err;
+ }
+
+ mem_array[0] = 0;
+ mem_array[1] = cpu_to_be32(phys_memsize);
+ err = fdt_setprop(fdt, mem_off, "reg", mem_array, sizeof(mem_array));
+ if (err) {
+ pr_err("Unable to set memory regs property: %d\n", err);
+ return err;
+ }
+
+ mem_array[0] = 0;
+ mem_array[1] = cpu_to_be32(memsize);
+ err = fdt_setprop(fdt, mem_off, "linux,usable-memory",
+ mem_array, sizeof(mem_array));
+ if (err) {
+ pr_err("Unable to set linux,usable-memory property: %d\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static __init int remove_gic(void *fdt)
+{
+ const unsigned int cpu_ehci_int = 2;
+ const unsigned int cpu_uart_int = 4;
+ const unsigned int cpu_eth_int = 6;
+ int gic_off, cpu_off, uart_off, eth_off, ehci_off, err;
+ uint32_t cfg, cpu_phandle;
+
+ /* leave the GIC node intact if a GIC is present */
+ cfg = __raw_readl((uint32_t *)SEAD_CONFIG);
+ if (cfg & SEAD_CONFIG_GIC_PRESENT)
+ return 0;
+
+ gic_off = fdt_node_offset_by_compatible(fdt, -1, "mti,gic");
+ if (gic_off < 0) {
+ pr_err("unable to find DT GIC node: %d\n", gic_off);
+ return gic_off;
+ }
+
+ err = fdt_nop_node(fdt, gic_off);
+ if (err) {
+ pr_err("unable to nop GIC node\n");
+ return err;
+ }
+
+ cpu_off = fdt_node_offset_by_compatible(fdt, -1,
+ "mti,cpu-interrupt-controller");
+ if (cpu_off < 0) {
+ pr_err("unable to find CPU intc node: %d\n", cpu_off);
+ return cpu_off;
+ }
+
+ cpu_phandle = fdt_get_phandle(fdt, cpu_off);
+ if (!cpu_phandle) {
+ pr_err("unable to get CPU intc phandle\n");
+ return -EINVAL;
+ }
+
+ err = fdt_setprop_u32(fdt, 0, "interrupt-parent", cpu_phandle);
+ if (err) {
+ pr_err("unable to set root interrupt-parent: %d\n", err);
+ return err;
+ }
+
+ uart_off = fdt_node_offset_by_compatible(fdt, -1, "ns16550a");
+ while (uart_off >= 0) {
+ err = fdt_setprop_u32(fdt, uart_off, "interrupts",
+ cpu_uart_int);
+ if (err) {
+ pr_err("unable to set UART interrupts property: %d\n",
+ err);
+ return err;
+ }
+
+ uart_off = fdt_node_offset_by_compatible(fdt, uart_off,
+ "ns16550a");
+ }
+ if (uart_off != -FDT_ERR_NOTFOUND) {
+ pr_err("error searching for UART DT node: %d\n", uart_off);
+ return uart_off;
+ }
+
+ eth_off = fdt_node_offset_by_compatible(fdt, -1, "smsc,lan9115");
+ if (eth_off < 0) {
+ pr_err("unable to find ethernet DT node: %d\n", eth_off);
+ return eth_off;
+ }
+
+ err = fdt_setprop_u32(fdt, eth_off, "interrupts", cpu_eth_int);
+ if (err) {
+ pr_err("unable to set ethernet interrupts property: %d\n", err);
+ return err;
+ }
+
+ ehci_off = fdt_node_offset_by_compatible(fdt, -1, "generic-ehci");
+ if (ehci_off < 0) {
+ pr_err("unable to find EHCI DT node: %d\n", ehci_off);
+ return ehci_off;
+ }
+
+ err = fdt_setprop_u32(fdt, ehci_off, "interrupts", cpu_ehci_int);
+ if (err) {
+ pr_err("unable to set EHCI interrupts property: %d\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static __init int serial_config(void *fdt)
+{
+ const char *yamontty, *mode_var;
+ char mode_var_name[9], path[18], parity;
+ unsigned int uart, baud, stop_bits;
+ bool hw_flow;
+ int chosen_off, err;
+
+ yamontty = fw_getenv("yamontty");
+ if (!yamontty || !strcmp(yamontty, "tty0")) {
+ uart = 0;
+ } else if (!strcmp(yamontty, "tty1")) {
+ uart = 1;
+ } else {
+ pr_warn("yamontty environment variable '%s' invalid\n",
+ yamontty);
+ uart = 0;
+ }
+
+ baud = stop_bits = 0;
+ parity = 0;
+ hw_flow = false;
+
+ snprintf(mode_var_name, sizeof(mode_var_name), "modetty%u", uart);
+ mode_var = fw_getenv(mode_var_name);
+ if (mode_var) {
+ while (mode_var[0] >= '0' && mode_var[0] <= '9') {
+ baud *= 10;
+ baud += mode_var[0] - '0';
+ mode_var++;
+ }
+ if (mode_var[0] == ',')
+ mode_var++;
+ if (mode_var[0])
+ parity = mode_var[0];
+ if (mode_var[0] == ',')
+ mode_var++;
+ if (mode_var[0])
+ stop_bits = mode_var[0] - '0';
+ if (mode_var[0] == ',')
+ mode_var++;
+ if (!strcmp(mode_var, "hw"))
+ hw_flow = true;
+ }
+
+ if (!baud)
+ baud = 38400;
+
+ if (parity != 'e' && parity != 'n' && parity != 'o')
+ parity = 'n';
+
+ if (stop_bits != 7 && stop_bits != 8)
+ stop_bits = 8;
+
+ WARN_ON(snprintf(path, sizeof(path), "uart%u:%u%c%u%s",
+ uart, baud, parity, stop_bits,
+ hw_flow ? "r" : "") >= sizeof(path));
+
+ /* find or add chosen node */
+ chosen_off = fdt_path_offset(fdt, "/chosen");
+ if (chosen_off == -FDT_ERR_NOTFOUND)
+ chosen_off = fdt_path_offset(fdt, "/chosen@0");
+ if (chosen_off == -FDT_ERR_NOTFOUND)
+ chosen_off = fdt_add_subnode(fdt, 0, "chosen");
+ if (chosen_off < 0) {
+ pr_err("Unable to find or add DT chosen node: %d\n",
+ chosen_off);
+ return chosen_off;
+ }
+
+ err = fdt_setprop_string(fdt, chosen_off, "stdout-path", path);
+ if (err) {
+ pr_err("Unable to set stdout-path property: %d\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static __init const void *sead3_fixup_fdt(const void *fdt,
+ const void *match_data)
+{
+ static unsigned char fdt_buf[16 << 10] __initdata;
+ int err;
+
+ if (fdt_check_header(fdt))
+ panic("Corrupt DT");
+
+ /* if this isn't SEAD3, something went wrong */
+ BUG_ON(fdt_node_check_compatible(fdt, 0, "mti,sead-3"));
+
+ fw_init_cmdline();
+
+ err = fdt_open_into(fdt, fdt_buf, sizeof(fdt_buf));
+ if (err)
+ panic("Unable to open FDT: %d", err);
+
+ err = append_cmdline(fdt_buf);
+ if (err)
+ panic("Unable to patch FDT: %d", err);
+
+ err = append_memory(fdt_buf);
+ if (err)
+ panic("Unable to patch FDT: %d", err);
+
+ err = remove_gic(fdt_buf);
+ if (err)
+ panic("Unable to patch FDT: %d", err);
+
+ err = serial_config(fdt_buf);
+ if (err)
+ panic("Unable to patch FDT: %d", err);
+
+ err = fdt_pack(fdt_buf);
+ if (err)
+ panic("Unable to pack FDT: %d\n", err);
+
+ return fdt_buf;
+}
+
+static __init unsigned int sead3_measure_hpt_freq(void)
+{
+ void __iomem *status_reg = (void __iomem *)0xbf000410;
+ unsigned int freq, orig, tick = 0;
+ 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);
+
+ return freq;
+}
+
+extern char __dtb_sead3_begin[];
+
+MIPS_MACHINE(sead3) = {
+ .fdt = __dtb_sead3_begin,
+ .detect = sead3_detect,
+ .fixup_fdt = sead3_fixup_fdt,
+ .measure_hpt_freq = sead3_measure_hpt_freq,
+};
+++ /dev/null
-/*
- * 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) 2003, 2004 Chris Dearman
- * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
- */
-#ifndef __ASM_MACH_MIPS_CPU_FEATURE_OVERRIDES_H
-#define __ASM_MACH_MIPS_CPU_FEATURE_OVERRIDES_H
-
-
-/*
- * CPU feature overrides for MIPS boards
- */
-#ifdef CONFIG_CPU_MIPS32
-#define cpu_has_tlb 1
-#define cpu_has_4kex 1
-#define cpu_has_4k_cache 1
-/* #define cpu_has_fpu ? */
-/* #define cpu_has_32fpr ? */
-#define cpu_has_counter 1
-/* #define cpu_has_watch ? */
-#define cpu_has_divec 1
-#define cpu_has_vce 0
-/* #define cpu_has_cache_cdex_p ? */
-/* #define cpu_has_cache_cdex_s ? */
-/* #define cpu_has_prefetch ? */
-#define cpu_has_mcheck 1
-/* #define cpu_has_ejtag ? */
-#ifdef CONFIG_CPU_MICROMIPS
-#define cpu_has_llsc 0
-#else
-#define cpu_has_llsc 1
-#endif
-/* #define cpu_has_vtag_icache ? */
-/* #define cpu_has_dc_aliases ? */
-/* #define cpu_has_ic_fills_f_dc ? */
-#define cpu_has_nofpuex 0
-/* #define cpu_has_64bits ? */
-/* #define cpu_has_64bit_zero_reg ? */
-/* #define cpu_has_inclusive_pcaches ? */
-#define cpu_icache_snoops_remote_store 1
-#endif
-
-#ifdef CONFIG_CPU_MIPS64
-#define cpu_has_tlb 1
-#define cpu_has_4kex 1
-#define cpu_has_4k_cache 1
-/* #define cpu_has_fpu ? */
-/* #define cpu_has_32fpr ? */
-#define cpu_has_counter 1
-/* #define cpu_has_watch ? */
-#define cpu_has_divec 1
-#define cpu_has_vce 0
-/* #define cpu_has_cache_cdex_p ? */
-/* #define cpu_has_cache_cdex_s ? */
-/* #define cpu_has_prefetch ? */
-#define cpu_has_mcheck 1
-/* #define cpu_has_ejtag ? */
-#define cpu_has_llsc 1
-/* #define cpu_has_vtag_icache ? */
-/* #define cpu_has_dc_aliases ? */
-/* #define cpu_has_ic_fills_f_dc ? */
-#define cpu_has_nofpuex 0
-/* #define cpu_has_64bits ? */
-/* #define cpu_has_64bit_zero_reg ? */
-/* #define cpu_has_inclusive_pcaches ? */
-#define cpu_icache_snoops_remote_store 1
-#endif
-
-#endif /* __ASM_MACH_MIPS_CPU_FEATURE_OVERRIDES_H */
+++ /dev/null
-#ifndef __ASM_MACH_MIPS_IRQ_H
-#define __ASM_MACH_MIPS_IRQ_H
-
-#define NR_IRQS 256
-
-
-#include_next <irq.h>
-
-#endif /* __ASM_MACH_MIPS_IRQ_H */
+++ /dev/null
-/*
- * 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.
- *
- * Chris Dearman (chris@mips.com)
- * Copyright (C) 2007 Mips Technologies, Inc.
- */
-#ifndef __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H
-#define __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H
-
- .macro kernel_entry_setup
- .endm
-
-/*
- * Do SMP slave processor setup necessary before we can safely execute C code.
- */
- .macro smp_slave_setup
- .endm
-
-#endif /* __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H */
+++ /dev/null
-/*
- * Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.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.
- */
-
-#ifndef __MIPS_SEAD3_DTSHIM_H__
-#define __MIPS_SEAD3_DTSHIM_H__
-
-#include <linux/init.h>
-
-#ifdef CONFIG_MIPS_SEAD3
-
-extern void __init *sead3_dt_shim(void *fdt);
-
-#else /* !CONFIG_MIPS_SEAD3 */
-
-static inline void *sead3_dt_shim(void *fdt)
-{
- return fdt;
-}
-
-#endif /* !CONFIG_MIPS_SEAD3 */
-
-#endif /* __MIPS_SEAD3_DTSHIM_H__ */
+++ /dev/null
-/*
- * 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) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_MIPS_WAR_H
-#define __ASM_MIPS_MACH_MIPS_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR 0
-#define R4600_V1_HIT_CACHEOP_WAR 0
-#define R4600_V2_HIT_CACHEOP_WAR 0
-#define R5432_CP0_INTERRUPT_WAR 0
-#define BCM1250_M3_WAR 0
-#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 1
-#define MIPS_CACHE_SYNC_WAR 1
-#define TX49XX_ICACHE_INDEX_INV_WAR 0
-#define ICACHE_REFILLS_WORKAROUND_WAR 1
-#define R10000_LLSC_WAR 0
-#define MIPS34K_MISSED_ITLB_WAR 0
-
-#endif /* __ASM_MIPS_MACH_MIPS_WAR_H */
+++ /dev/null
-#
-# 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-dtshim.o
-obj-y += sead3-init.o
-obj-y += sead3-int.o
-obj-y += sead3-setup.o
-obj-y += sead3-time.o
+++ /dev/null
-#
-# 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
+++ /dev/null
-/*
- * Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.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.
- */
-
-#define pr_fmt(fmt) "sead3-dtshim: " fmt
-
-#include <linux/errno.h>
-#include <linux/libfdt.h>
-#include <linux/printk.h>
-
-#include <asm/fw/fw.h>
-#include <asm/io.h>
-
-#define SEAD_CONFIG CKSEG1ADDR(0x1b100110)
-#define SEAD_CONFIG_GIC_PRESENT BIT(1)
-
-static unsigned char fdt_buf[16 << 10] __initdata;
-
-static int append_memory(void *fdt)
-{
- unsigned long phys_memsize, memsize;
- __be32 mem_array[2];
- int err, mem_off;
- char *var;
-
- /* find memory size from the bootloader environment */
- var = fw_getenv("memsize");
- if (var) {
- err = kstrtoul(var, 0, &phys_memsize);
- if (err) {
- pr_err("Failed to read memsize env variable '%s'\n",
- var);
- return -EINVAL;
- }
- } else {
- pr_warn("The bootloader didn't provide memsize: defaulting to 32MB\n");
- phys_memsize = 32 << 20;
- }
-
- /* default to using all available RAM */
- memsize = phys_memsize;
-
- /* allow the user to override the usable memory */
- var = strstr(arcs_cmdline, "memsize=");
- if (var)
- memsize = memparse(var + strlen("memsize="), NULL);
-
- /* if the user says there's more RAM than we thought, believe them */
- phys_memsize = max_t(unsigned long, phys_memsize, memsize);
-
- /* find or add a memory node */
- mem_off = fdt_path_offset(fdt, "/memory");
- if (mem_off == -FDT_ERR_NOTFOUND)
- mem_off = fdt_add_subnode(fdt, 0, "memory");
- if (mem_off < 0) {
- pr_err("Unable to find or add memory DT node: %d\n", mem_off);
- return mem_off;
- }
-
- err = fdt_setprop_string(fdt, mem_off, "device_type", "memory");
- if (err) {
- pr_err("Unable to set memory node device_type: %d\n", err);
- return err;
- }
-
- mem_array[0] = 0;
- mem_array[1] = cpu_to_be32(phys_memsize);
- err = fdt_setprop(fdt, mem_off, "reg", mem_array, sizeof(mem_array));
- if (err) {
- pr_err("Unable to set memory regs property: %d\n", err);
- return err;
- }
-
- mem_array[0] = 0;
- mem_array[1] = cpu_to_be32(memsize);
- err = fdt_setprop(fdt, mem_off, "linux,usable-memory",
- mem_array, sizeof(mem_array));
- if (err) {
- pr_err("Unable to set linux,usable-memory property: %d\n", err);
- return err;
- }
-
- return 0;
-}
-
-static int remove_gic(void *fdt)
-{
- const unsigned int cpu_ehci_int = 2;
- const unsigned int cpu_uart_int = 4;
- const unsigned int cpu_eth_int = 6;
- int gic_off, cpu_off, uart_off, eth_off, ehci_off, err;
- uint32_t cfg, cpu_phandle;
-
- /* leave the GIC node intact if a GIC is present */
- cfg = __raw_readl((uint32_t *)SEAD_CONFIG);
- if (cfg & SEAD_CONFIG_GIC_PRESENT)
- return 0;
-
- gic_off = fdt_node_offset_by_compatible(fdt, -1, "mti,gic");
- if (gic_off < 0) {
- pr_err("unable to find DT GIC node: %d\n", gic_off);
- return gic_off;
- }
-
- err = fdt_nop_node(fdt, gic_off);
- if (err) {
- pr_err("unable to nop GIC node\n");
- return err;
- }
-
- cpu_off = fdt_node_offset_by_compatible(fdt, -1,
- "mti,cpu-interrupt-controller");
- if (cpu_off < 0) {
- pr_err("unable to find CPU intc node: %d\n", cpu_off);
- return cpu_off;
- }
-
- cpu_phandle = fdt_get_phandle(fdt, cpu_off);
- if (!cpu_phandle) {
- pr_err("unable to get CPU intc phandle\n");
- return -EINVAL;
- }
-
- err = fdt_setprop_u32(fdt, 0, "interrupt-parent", cpu_phandle);
- if (err) {
- pr_err("unable to set root interrupt-parent: %d\n", err);
- return err;
- }
-
- uart_off = fdt_node_offset_by_compatible(fdt, -1, "ns16550a");
- while (uart_off >= 0) {
- err = fdt_setprop_u32(fdt, uart_off, "interrupts",
- cpu_uart_int);
- if (err) {
- pr_err("unable to set UART interrupts property: %d\n",
- err);
- return err;
- }
-
- uart_off = fdt_node_offset_by_compatible(fdt, uart_off,
- "ns16550a");
- }
- if (uart_off != -FDT_ERR_NOTFOUND) {
- pr_err("error searching for UART DT node: %d\n", uart_off);
- return uart_off;
- }
-
- eth_off = fdt_node_offset_by_compatible(fdt, -1, "smsc,lan9115");
- if (eth_off < 0) {
- pr_err("unable to find ethernet DT node: %d\n", eth_off);
- return eth_off;
- }
-
- err = fdt_setprop_u32(fdt, eth_off, "interrupts", cpu_eth_int);
- if (err) {
- pr_err("unable to set ethernet interrupts property: %d\n", err);
- return err;
- }
-
- ehci_off = fdt_node_offset_by_compatible(fdt, -1, "mti,sead3-ehci");
- if (ehci_off < 0) {
- pr_err("unable to find EHCI DT node: %d\n", ehci_off);
- return ehci_off;
- }
-
- err = fdt_setprop_u32(fdt, ehci_off, "interrupts", cpu_ehci_int);
- if (err) {
- pr_err("unable to set EHCI interrupts property: %d\n", err);
- return err;
- }
-
- return 0;
-}
-
-static int serial_config(void *fdt)
-{
- const char *yamontty, *mode_var;
- char mode_var_name[9], path[18], parity;
- unsigned int uart, baud, stop_bits;
- bool hw_flow;
- int chosen_off, err;
-
- yamontty = fw_getenv("yamontty");
- if (!yamontty || !strcmp(yamontty, "tty0")) {
- uart = 0;
- } else if (!strcmp(yamontty, "tty1")) {
- uart = 1;
- } else {
- pr_warn("yamontty environment variable '%s' invalid\n",
- yamontty);
- uart = 0;
- }
-
- baud = stop_bits = 0;
- parity = 0;
- hw_flow = false;
-
- snprintf(mode_var_name, sizeof(mode_var_name), "modetty%u", uart);
- mode_var = fw_getenv(mode_var_name);
- if (mode_var) {
- while (mode_var[0] >= '0' && mode_var[0] <= '9') {
- baud *= 10;
- baud += mode_var[0] - '0';
- mode_var++;
- }
- if (mode_var[0] == ',')
- mode_var++;
- if (mode_var[0])
- parity = mode_var[0];
- if (mode_var[0] == ',')
- mode_var++;
- if (mode_var[0])
- stop_bits = mode_var[0] - '0';
- if (mode_var[0] == ',')
- mode_var++;
- if (!strcmp(mode_var, "hw"))
- hw_flow = true;
- }
-
- if (!baud)
- baud = 38400;
-
- if (parity != 'e' && parity != 'n' && parity != 'o')
- parity = 'n';
-
- if (stop_bits != 7 && stop_bits != 8)
- stop_bits = 8;
-
- WARN_ON(snprintf(path, sizeof(path), "uart%u:%u%c%u%s",
- uart, baud, parity, stop_bits,
- hw_flow ? "r" : "") >= sizeof(path));
-
- /* find or add chosen node */
- chosen_off = fdt_path_offset(fdt, "/chosen");
- if (chosen_off == -FDT_ERR_NOTFOUND)
- chosen_off = fdt_path_offset(fdt, "/chosen@0");
- if (chosen_off == -FDT_ERR_NOTFOUND)
- chosen_off = fdt_add_subnode(fdt, 0, "chosen");
- if (chosen_off < 0) {
- pr_err("Unable to find or add DT chosen node: %d\n",
- chosen_off);
- return chosen_off;
- }
-
- err = fdt_setprop_string(fdt, chosen_off, "stdout-path", path);
- if (err) {
- pr_err("Unable to set stdout-path property: %d\n", err);
- return err;
- }
-
- return 0;
-}
-
-void __init *sead3_dt_shim(void *fdt)
-{
- int err;
-
- if (fdt_check_header(fdt))
- panic("Corrupt DT");
-
- /* if this isn't SEAD3, leave the DT alone */
- if (fdt_node_check_compatible(fdt, 0, "mti,sead-3"))
- return fdt;
-
- err = fdt_open_into(fdt, fdt_buf, sizeof(fdt_buf));
- if (err)
- panic("Unable to open FDT: %d", err);
-
- err = append_memory(fdt_buf);
- if (err)
- panic("Unable to patch FDT: %d", err);
-
- err = remove_gic(fdt_buf);
- if (err)
- panic("Unable to patch FDT: %d", err);
-
- err = serial_config(fdt_buf);
- if (err)
- panic("Unable to patch FDT: %d", err);
-
- err = fdt_pack(fdt_buf);
- if (err)
- panic("Unable to pack FDT: %d\n", err);
-
- return fdt_buf;
-}
+++ /dev/null
-/*
- * 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;
-
-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();
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
+++ /dev/null
-/*
- * 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.h>
-#include <linux/irqchip/mips-gic.h>
-
-#include <asm/cpu-info.h>
-#include <asm/irq.h>
-
-void __init arch_init_irq(void)
-{
- irqchip_init();
-
- pr_info("GIC: %spresent\n", (gic_present) ? "" : "not ");
- pr_info("EIC: %s\n",
- (current_cpu_data.options & MIPS_CPU_VEIC) ? "on" : "off");
-}
-
+++ /dev/null
-/*
- * 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/mach-sead3/sead3-dtshim.h>
-#include <asm/mips-boards/generic.h>
-
-const char *get_system_type(void)
-{
- return "MIPS SEAD3";
-}
-
-void __init *plat_get_fdt(void)
-{
- return (void *)__dtb_start;
-}
-
-void __init plat_mem_setup(void)
-{
- void *fdt = plat_get_fdt();
-
- fdt = sead3_dt_shim(fdt);
- __dt_setup_arch(fdt);
-}
-
-void __init device_tree_init(void)
-{
- unflatten_and_copy_device_tree();
-}
+++ /dev/null
-/*
- * 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 ;
-}
-
-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);
-}
projects / cascardo / linux.git / commitdiff