diff options
Diffstat (limited to 'target/linux/rdc')
12 files changed, 1104 insertions, 0 deletions
diff --git a/target/linux/rdc/config-2.6.32 b/target/linux/rdc/config-2.6.32 new file mode 100644 index 0000000000..b96fca3ede --- /dev/null +++ b/target/linux/rdc/config-2.6.32 @@ -0,0 +1,288 @@ +# CONFIG_4KSTACKS is not set +# CONFIG_60XX_WDT is not set +# CONFIG_64BIT is not set +# CONFIG_ACQUIRE_WDT is not set +# CONFIG_ADVANTECH_WDT is not set +# CONFIG_ALIM1535_WDT is not set +CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig" +CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y +CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y +CONFIG_ARCH_HAS_CPU_RELAX=y +CONFIG_ARCH_HAS_DEFAULT_IDLE=y +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_ARCH_WANT_FRAME_POINTERS=y +CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y +# CONFIG_ARPD is not set +# CONFIG_AUDIT_ARCH is not set +# CONFIG_BASE_FULL is not set +CONFIG_BASE_SMALL=1 +CONFIG_BITREVERSE=y +# CONFIG_BLK_DEV_INITRD is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BOUNCE=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +# CONFIG_CC_STACKPROTECTOR is not set +CONFIG_CFG80211_DEFAULT_PS_VALUE=0 +CONFIG_CLOCKSOURCE_WATCHDOG=y +CONFIG_CMDLINE="console=ttyS0,38400 rootfstype=squashfs,jffs2" +CONFIG_CMDLINE_BOOL=y +# CONFIG_CMDLINE_OVERRIDE is not set +# CONFIG_COMPAT_VDSO is not set +# CONFIG_CPU5_WDT is not set +# CONFIG_CPU_SUP_AMD is not set +# CONFIG_CPU_SUP_CENTAUR is not set +# CONFIG_CPU_SUP_CYRIX_32 is not set +# CONFIG_CPU_SUP_INTEL is not set +# CONFIG_CPU_SUP_TRANSMETA_32 is not set +# CONFIG_CPU_SUP_UMC_32 is not set +# CONFIG_CS5535_GPIO is not set +# CONFIG_DCDBAS is not set +# CONFIG_DEBUG_FS is not set +CONFIG_DECOMPRESS_LZMA=y +CONFIG_DEFAULT_IO_DELAY_TYPE=0 +# CONFIG_DELL_RBU is not set +CONFIG_DEVPORT=y +# CONFIG_DMI is not set +CONFIG_DOUBLEFAULT=y +# CONFIG_EARLY_PRINTK is not set +# CONFIG_EDD is not set +# CONFIG_EUROTECH_WDT is not set +# CONFIG_FIRMWARE_MEMMAP is not set +CONFIG_FIX_EARLYCON_MEM=y +# CONFIG_FRAME_POINTER is not set +# CONFIG_FSNOTIFY is not set +CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_CMOS_UPDATE=y +# CONFIG_GENERIC_CPU is not set +CONFIG_GENERIC_FIND_FIRST_BIT=y +CONFIG_GENERIC_FIND_LAST_BIT=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_GENERIC_IOMAP=y +CONFIG_GENERIC_ISA_DMA=y +# CONFIG_GENERIC_TIME_VSYSCALL is not set +# CONFIG_GEN_RTC is not set +CONFIG_GPIOLIB=y +CONFIG_GPIO_SYSFS=y +# CONFIG_HAMRADIO is not set +# CONFIG_HANGCHECK_TIMER is not set +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAVE_AOUT=y +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_ARCH_KMEMCHECK=y +CONFIG_HAVE_ARCH_TRACEHOOK=y +CONFIG_HAVE_ATOMIC_IOMAP=y +# CONFIG_HAVE_CPUMASK_OF_CPU_MAP is not set +CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_DMA_ATTRS=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_HAVE_IDE=y +CONFIG_HAVE_IOREMAP_PROT=y +CONFIG_HAVE_KERNEL_BZIP2=y +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_LZMA=y +CONFIG_HAVE_KERNEL_LZO=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_KVM=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_HAVE_MMIOTRACE_SUPPORT=y +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_SETUP_PER_CPU_AREA=y +CONFIG_HAVE_SYSCALL_TRACEPOINTS=y +CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y +# CONFIG_HIGHMEM4G is not set +# CONFIG_HIGHMEM64G is not set +# CONFIG_HIGH_RES_TIMERS is not set +# CONFIG_HPET_TIMER is not set +# CONFIG_HP_WATCHDOG is not set +# CONFIG_HUGETLBFS is not set +# CONFIG_HW_RANDOM is not set +CONFIG_HZ=250 +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_I6300ESB_WDT is not set +# CONFIG_I8K is not set +# CONFIG_IB700_WDT is not set +# CONFIG_IBMASR is not set +# CONFIG_IOMMU_API is not set +# CONFIG_IOMMU_HELPER is not set +# CONFIG_IOMMU_STRESS is not set +CONFIG_IO_DELAY_0X80=y +# CONFIG_IO_DELAY_0XED is not set +# CONFIG_IO_DELAY_NONE is not set +CONFIG_IO_DELAY_TYPE_0X80=0 +CONFIG_IO_DELAY_TYPE_0XED=1 +CONFIG_IO_DELAY_TYPE_NONE=3 +CONFIG_IO_DELAY_TYPE_UDELAY=2 +# CONFIG_IO_DELAY_UDELAY is not set +# CONFIG_IP_MROUTE is not set +# CONFIG_ISA is not set +CONFIG_ISA_DMA_API=y +# CONFIG_ISCSI_IBFT_FIND is not set +# CONFIG_IT8712F_WDT is not set +# CONFIG_IT87_WDT is not set +# CONFIG_ITCO_WDT is not set +# CONFIG_JFFS2_SUMMARY is not set +CONFIG_KTIME_SCALAR=y +# CONFIG_LEDS_ALIX2 is not set +CONFIG_LEDS_GPIO=y +# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set +# CONFIG_LEDS_TRIGGER_NETDEV is not set +# CONFIG_LEDS_TRIGGER_TIMER is not set +# CONFIG_M386 is not set +CONFIG_M486=y +# CONFIG_M586 is not set +# CONFIG_M586MMX is not set +# CONFIG_M586TSC is not set +# CONFIG_M686 is not set +# CONFIG_MACHZ_WDT is not set +CONFIG_MATH_EMULATION=y +# CONFIG_MATOM is not set +# CONFIG_MCA is not set +# CONFIG_MCORE2 is not set +# CONFIG_MCRUSOE is not set +# CONFIG_MCYRIXIII is not set +# CONFIG_MEFFICEON is not set +# CONFIG_MEMTEST is not set +# CONFIG_MGEODEGX1 is not set +# CONFIG_MGEODE_LX is not set +# CONFIG_MICROCODE is not set +# CONFIG_MK6 is not set +# CONFIG_MK7 is not set +# CONFIG_MK8 is not set +CONFIG_MODULE_FORCE_UNLOAD=y +# CONFIG_MPENTIUM4 is not set +# CONFIG_MPENTIUMII is not set +# CONFIG_MPENTIUMIII is not set +# CONFIG_MPENTIUMM is not set +# CONFIG_MPSC is not set +# CONFIG_MTD_CFI_INTELEXT is not set +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_NETSC520 is not set +CONFIG_MTD_PHYSMAP=y +# CONFIG_MTD_R8610 is not set +# CONFIG_MTD_RDC3210 is not set +# CONFIG_MTD_TS5500 is not set +# CONFIG_MTRR is not set +# CONFIG_MVIAC3_2 is not set +# CONFIG_MVIAC7 is not set +# CONFIG_MWINCHIP3D is not set +# CONFIG_MWINCHIPC6 is not set +CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y +CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y +# CONFIG_NETDEV_1000 is not set +CONFIG_NOHIGHMEM=y +CONFIG_NR_CPUS=1 +# CONFIG_NSC_GPIO is not set +# CONFIG_OLPC is not set +# CONFIG_OPTIMIZE_INLINING is not set +CONFIG_OUTPUT_FORMAT="elf32-i386" +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_PAGE_OFFSET=0xC0000000 +# CONFIG_PARAVIRT_GUEST is not set +# CONFIG_PC8736x_GPIO is not set +# CONFIG_PC87413_WDT is not set +# CONFIG_PCIEPORTBUS is not set +CONFIG_PCI_BIOS=y +CONFIG_PCI_DIRECT=y +CONFIG_PCI_DISABLE_COMMON_QUIRKS=y +CONFIG_PCI_DOMAINS=y +CONFIG_PCI_GOANY=y +# CONFIG_PCI_GOBIOS is not set +# CONFIG_PCI_GODIRECT is not set +# CONFIG_PCI_GOMMCONFIG is not set +# CONFIG_PCI_GOOLPC is not set +# CONFIG_PCI_QUIRKS is not set +CONFIG_PHYSICAL_ALIGN=0x100000 +CONFIG_PHYSICAL_START=0x100000 +CONFIG_PROCESSOR_SELECT=y +# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set +CONFIG_RDC321X_WDT=m +# CONFIG_RELOCATABLE is not set +# CONFIG_RTC is not set +# CONFIG_RWSEM_GENERIC_SPINLOCK is not set +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +# CONFIG_SBC7240_WDT is not set +# CONFIG_SBC8360_WDT is not set +# CONFIG_SBC_EPX_C3_WATCHDOG is not set +# CONFIG_SC1200_WDT is not set +# CONFIG_SC520_WDT is not set +# CONFIG_SCHED_HRTICK is not set +CONFIG_SCHED_OMIT_FRAME_POINTER=y +# CONFIG_SCSI_DMA is not set +# CONFIG_SCx200 is not set +# CONFIG_SERIAL_8250_EXTENDED is not set +# CONFIG_SHMEM is not set +# CONFIG_SMSC37B787_WDT is not set +# CONFIG_SMSC_SCH311X_WDT is not set +CONFIG_SPARSEMEM_STATIC=y +# CONFIG_STRICT_DEVMEM is not set +# CONFIG_TELCLOCK is not set +# CONFIG_TOSHIBA is not set +# CONFIG_TREE_PREEMPT_RCU is not set +CONFIG_TREE_RCU=y +CONFIG_UID16=y +CONFIG_USB_SUPPORT=y +CONFIG_USER_STACKTRACE_SUPPORT=y +# CONFIG_VM86 is not set +# CONFIG_W83697UG_WDT is not set +# CONFIG_WAFER_WDT is not set +CONFIG_X86=y +CONFIG_X86_32=y +CONFIG_X86_32_LAZY_GS=y +# CONFIG_X86_64 is not set +CONFIG_X86_ALIGNMENT_16=y +CONFIG_X86_BSWAP=y +# CONFIG_X86_CHECK_BIOS_CORRUPTION is not set +CONFIG_X86_CMPXCHG=y +CONFIG_X86_CPU=y +# CONFIG_X86_CPUID is not set +# CONFIG_X86_ELAN is not set +CONFIG_X86_EXTENDED_PLATFORM=y +CONFIG_X86_F00F_BUG=y +# CONFIG_X86_GENERIC is not set +CONFIG_X86_INTERNODE_CACHE_BYTES=64 +CONFIG_X86_INVLPG=y +CONFIG_X86_L1_CACHE_BYTES=64 +CONFIG_X86_L1_CACHE_SHIFT=4 +# CONFIG_X86_MCE is not set +CONFIG_X86_MINIMUM_CPU_FAMILY=4 +# CONFIG_X86_MRST is not set +# CONFIG_X86_MSR is not set +# CONFIG_X86_PAE is not set +# CONFIG_X86_PLATFORM_DEVICES is not set +CONFIG_X86_POPAD_OK=y +# CONFIG_X86_PPRO_FENCE is not set +CONFIG_X86_RDC321X=y +CONFIG_X86_REBOOTFIXUPS=y +# CONFIG_X86_RESERVE_LOW_64K is not set +# CONFIG_X86_UP_APIC is not set +# CONFIG_X86_VERBOSE_BOOTUP is not set +CONFIG_X86_WP_WORKS_OK=y +CONFIG_X86_XADD=y +# CONFIG_ZONE_DMA32 is not set diff --git a/target/linux/rdc/files-2.6.32/arch/x86/include/asm/rdc321x_gpio.h b/target/linux/rdc/files-2.6.32/arch/x86/include/asm/rdc321x_gpio.h new file mode 100644 index 0000000000..adb75aff27 --- /dev/null +++ b/target/linux/rdc/files-2.6.32/arch/x86/include/asm/rdc321x_gpio.h @@ -0,0 +1,16 @@ +#ifndef _ASM_X86_MACH_RDC321X_GPIO_H +#define _ASM_X86_MACH_RDC321X_GPIO_H + +#include <linux/kernel.h> + +#define gpio_to_irq(gpio) NULL + +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value + +#define gpio_cansleep __gpio_cansleep + +/* For cansleep */ +#include <asm-generic/gpio.h> + +#endif /* _ASM_X86_MACH_RDC321X_GPIO_H */ diff --git a/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/Makefile b/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/Makefile new file mode 100644 index 0000000000..8325b4ca43 --- /dev/null +++ b/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the RDC321x specific parts of the kernel +# +obj-$(CONFIG_X86_RDC321X) := gpio.o platform.o + diff --git a/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/gpio.c b/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/gpio.c new file mode 100644 index 0000000000..c99b3b2239 --- /dev/null +++ b/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/gpio.c @@ -0,0 +1,158 @@ +/* + * GPIO support for RDC SoC R3210/R8610 + * + * Copyright (C) 2007, Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2008, Volker Weiss <dev@tintuc.de> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + + +#include <linux/spinlock.h> +#include <linux/io.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/gpio.h> + +#include <asm/rdc321x_gpio.h> +#include <asm/rdc321x_defs.h> + + +/* spin lock to protect our private copy of GPIO data register plus + the access to PCI conf registers. */ +static DEFINE_SPINLOCK(gpio_lock); + +/* copy of GPIO data registers */ +static u32 gpio_data_reg1; +static u32 gpio_data_reg2; + +static inline void rdc321x_conf_write(unsigned addr, u32 value) +{ + outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR); + outl(value, RDC3210_CFGREG_DATA); +} + +static inline void rdc321x_conf_or(unsigned addr, u32 value) +{ + outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR); + value |= inl(RDC3210_CFGREG_DATA); + outl(value, RDC3210_CFGREG_DATA); +} + +static inline u32 rdc321x_conf_read(unsigned addr) +{ + outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR); + + return inl(RDC3210_CFGREG_DATA); +} + +/* configure pin as GPIO */ +static void rdc321x_configure_gpio(unsigned gpio) +{ + unsigned long flags; + + spin_lock_irqsave(&gpio_lock, flags); + rdc321x_conf_or(gpio < 32 + ? RDC321X_GPIO_CTRL_REG1 : RDC321X_GPIO_CTRL_REG2, + 1 << (gpio & 0x1f)); + spin_unlock_irqrestore(&gpio_lock, flags); +} + +/* read GPIO pin */ +static int rdc_gpio_get_value(struct gpio_chip *chip, unsigned gpio) +{ + u32 reg; + unsigned long flags; + + spin_lock_irqsave(&gpio_lock, flags); + reg = rdc321x_conf_read(gpio < 32 + ? RDC321X_GPIO_DATA_REG1 : RDC321X_GPIO_DATA_REG2); + spin_unlock_irqrestore(&gpio_lock, flags); + + return (1 << (gpio & 0x1f)) & reg ? 1 : 0; +} + +/* set GPIO pin to value */ +static void rdc_gpio_set_value(struct gpio_chip *chip, + unsigned gpio, int value) +{ + unsigned long flags; + u32 reg; + + reg = 1 << (gpio & 0x1f); + if (gpio < 32) { + spin_lock_irqsave(&gpio_lock, flags); + if (value) + gpio_data_reg1 |= reg; + else + gpio_data_reg1 &= ~reg; + rdc321x_conf_write(RDC321X_GPIO_DATA_REG1, gpio_data_reg1); + spin_unlock_irqrestore(&gpio_lock, flags); + } else { + spin_lock_irqsave(&gpio_lock, flags); + if (value) + gpio_data_reg2 |= reg; + else + gpio_data_reg2 &= ~reg; + rdc321x_conf_write(RDC321X_GPIO_DATA_REG2, gpio_data_reg2); + spin_unlock_irqrestore(&gpio_lock, flags); + } +} + +/* configure GPIO pin as input */ +static int rdc_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) +{ + rdc321x_configure_gpio(gpio); + + return 0; +} + +/* configure GPIO pin as output and set value */ +static int rdc_gpio_direction_output(struct gpio_chip *chip, + unsigned gpio, int value) +{ + rdc321x_configure_gpio(gpio); + gpio_set_value(gpio, value); + + return 0; +} + +static struct gpio_chip rdc321x_gpio_chip = { + .label = "rdc321x-gpio", + .direction_input = rdc_gpio_direction_input, + .direction_output = rdc_gpio_direction_output, + .get = rdc_gpio_get_value, + .set = rdc_gpio_set_value, + .base = 0, + .ngpio = RDC321X_MAX_GPIO, +}; + +/* initially setup the 2 copies of the gpio data registers. + This function is called before the platform setup code. */ +static int __init rdc321x_gpio_setup(void) +{ + /* this might not be, what others (BIOS, bootloader, etc.) + wrote to these registers before, but it's a good guess. Still + better than just using 0xffffffff. */ + + gpio_data_reg1 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG1); + gpio_data_reg2 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG2); + + printk(KERN_INFO "rdc321x: registering %d GPIOs\n", rdc321x_gpio_chip.ngpio); + return gpiochip_add(&rdc321x_gpio_chip); +} + +arch_initcall(rdc321x_gpio_setup); diff --git a/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c b/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c new file mode 100644 index 0000000000..3c2cec721a --- /dev/null +++ b/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c @@ -0,0 +1,290 @@ +/* + * Generic RDC321x platform devices + * + * Copyright (C) 2007-2009 OpenWrt.org + * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2008-2009 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us> + * + * 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., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/version.h> +#include <linux/leds.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/mtd/map.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/physmap.h> +#include <linux/root_dev.h> + +#include <asm/rdc321x_gpio.h> + +/* Flash */ +#ifdef CONFIG_MTD_R8610 +#define CONFIG_MTD_RDC3210 1 +#elif defined CONFIG_MTD_RDC3210 +static struct resource rdc_flash_resource[] = { + [0] = { + .start = (u32)-CONFIG_MTD_RDC3210_SIZE, + .end = (u32)-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device rdc_flash_device = { + .name = "rdc321x-flash", + .id = -1, + .num_resources = ARRAY_SIZE(rdc_flash_resource), + .resource = rdc_flash_resource, +}; +#else +static struct mtd_partition rdc_flash_parts[15]; + +static struct resource rdc_flash_resource = { + .end = (u32)-1, + .flags = IORESOURCE_MEM, +}; + +static struct physmap_flash_data rdc_flash_data = { + .parts = rdc_flash_parts, +}; + +static struct platform_device rdc_flash_device = { + .name = "physmap-flash", + .id = -1, + .resource = &rdc_flash_resource, + .num_resources = 1, + .dev.platform_data = &rdc_flash_data, +}; +#endif + +/* LEDS */ +static struct gpio_led default_leds[] = { + { .name = "rdc321x:dmz", .gpio = 1, .active_low = 1}, +}; + +static struct gpio_led_platform_data rdc321x_led_data = { + .num_leds = ARRAY_SIZE(default_leds), + .leds = default_leds, +}; + +static struct platform_device rdc321x_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &rdc321x_led_data, + } +}; + +/* Watchdog */ +static struct platform_device rdc321x_wdt = { + .name = "rdc321x-wdt", + .id = -1, + .num_resources = 0, +}; + +/* Button */ +static struct gpio_keys_button rdc321x_gpio_btn[] = { + { + .gpio = 0, + .code = BTN_0, + .desc = "Reset", + .active_low = 1, + } +}; + +static struct gpio_keys_platform_data rdc321x_gpio_btn_data = { + .buttons = rdc321x_gpio_btn, + .nbuttons = ARRAY_SIZE(rdc321x_gpio_btn), +}; + +static struct platform_device rdc321x_button = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &rdc321x_gpio_btn_data, + } +}; + +static struct platform_device *rdc321x_devs[] = { + &rdc_flash_device, + &rdc321x_leds, + &rdc321x_wdt, + &rdc321x_button, +}; + +static int probe_flash_start(struct map_info *the_map) +{ + struct mtd_info *res; + + the_map->virt = ioremap(the_map->phys, the_map->size); + if (the_map->virt == NULL) + return 1; + for (the_map->bankwidth = 32; the_map->bankwidth; the_map->bankwidth + >>= 1) { + res = do_map_probe("cfi_probe", the_map); + if (res == NULL) + res = do_map_probe("jedec_probe", the_map); + if (res != NULL) + break; + } + iounmap(the_map->virt); + if (res != NULL) + the_map->phys = (u32)-(s32)(the_map->size = res->size); + return res == NULL; +} + +static int __init rdc_board_setup(void) +{ +#ifndef CONFIG_MTD_RDC3210 + struct map_info rdc_map_info; + u32 the_header[8]; + + ROOT_DEV = 0; + rdc_map_info.name = rdc_flash_device.name; + rdc_map_info.size = 0x800000; //8MB + rdc_map_info.phys = (u32) -rdc_map_info.size; + rdc_map_info.bankwidth = 2; + rdc_map_info.set_vpp = NULL; + simple_map_init(&rdc_map_info); + while (probe_flash_start(&rdc_map_info)) { + if (rdc_map_info.size /= 2 < 0x100000) //1MB + panic("Could not find start of flash!"); + rdc_map_info.phys = (u32) -rdc_map_info.size; + } + rdc_flash_resource.start = rdc_map_info.phys; + rdc_flash_data.width = rdc_map_info.bankwidth; + rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys, 0x10); + if (rdc_map_info.virt == NULL) + panic("Could not ioremap to read device magic!"); + the_header[0] = ((u32 *)rdc_map_info.virt)[0]; + the_header[1] = ((u32 *)rdc_map_info.virt)[1]; + the_header[2] = ((u32 *)rdc_map_info.virt)[2]; + the_header[3] = ((u32 *)rdc_map_info.virt)[3]; + iounmap(rdc_map_info.virt); + rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys + 0x8000, 0x10); + if (rdc_map_info.virt == NULL) + panic("Could not ioremap to read device magic!"); + the_header[4] = ((u32 *)rdc_map_info.virt)[0]; + the_header[5] = ((u32 *)rdc_map_info.virt)[1]; + the_header[6] = ((u32 *)rdc_map_info.virt)[2]; + the_header[7] = ((u32 *)rdc_map_info.virt)[3]; + iounmap(rdc_map_info.virt); + if (!memcmp(the_header, "GMTK", 4)) { /* Gemtek */ + /* TODO */ + } else if (!memcmp(the_header + 4, "CSYS", 4)) { /* Sitecom */ + rdc_flash_parts[0].name = "system"; + rdc_flash_parts[0].offset = 0; + rdc_flash_parts[0].size = rdc_map_info.size - 0x10000; + rdc_flash_parts[1].name = "config"; + rdc_flash_parts[1].offset = 0; + rdc_flash_parts[1].size = 0x8000; + rdc_flash_parts[2].name = "magic"; + rdc_flash_parts[2].offset = 0x8000; + rdc_flash_parts[2].size = 0x14; + rdc_flash_parts[3].name = "kernel"; + rdc_flash_parts[3].offset = 0x8014; + rdc_flash_parts[3].size = the_header[5]; + rdc_flash_parts[4].name = "rootfs"; + rdc_flash_parts[4].offset = 0x8014 + the_header[5]; + rdc_flash_parts[4].size = rdc_flash_parts[0].size - rdc_flash_parts[4].offset; + rdc_flash_parts[5].name = "bootloader"; + rdc_flash_parts[5].offset = rdc_flash_parts[0].size; + rdc_flash_parts[5].size = 0x10000; + rdc_flash_data.nr_parts = 6; + } else if (!memcmp(((u8 *)the_header) + 14, "Li", 2)) { /* AMIT */ + rdc_flash_parts[0].name = "kernel_parthdr"; + rdc_flash_parts[0].offset = 0; + rdc_flash_parts[0].size = 0x10; + rdc_flash_parts[1].name = "kernel"; + rdc_flash_parts[1].offset = 0x10; + rdc_flash_parts[1].size = 0xffff0; + rdc_flash_parts[2].name = "rootfs_parthdr"; + rdc_flash_parts[2].offset = 0x100000; + rdc_flash_parts[2].size = 0x10; + rdc_flash_parts[3].name = "rootfs"; + rdc_flash_parts[3].offset = 0x100010; + rdc_flash_parts[3].size = rdc_map_info.size - 0x160010; + rdc_flash_parts[4].name = "config_parthdr"; + rdc_flash_parts[4].offset = rdc_map_info.size - 0x60000; + rdc_flash_parts[4].size = 0x10; + rdc_flash_parts[5].name = "config"; + rdc_flash_parts[5].offset = rdc_map_info.size - 0x5fff0; + rdc_flash_parts[5].size = 0xfff0; + rdc_flash_parts[6].name = "recoveryfs_parthdr"; + rdc_flash_parts[6].offset = rdc_map_info.size - 0x50000; + rdc_flash_parts[6].size = 0x10; + rdc_flash_parts[7].name = "recoveryfs"; + rdc_flash_parts[7].offset = rdc_map_info.size - 0x4fff0; + rdc_flash_parts[7].size = 0x3fff0; + rdc_flash_parts[8].name = "recovery_parthdr"; + rdc_flash_parts[8].offset = rdc_map_info.size - 0x10000; + rdc_flash_parts[8].size = 0x10; + rdc_flash_parts[9].name = "recovery"; + rdc_flash_parts[9].offset = rdc_map_info.size - 0xfff0; + rdc_flash_parts[9].size = 0x7ff0; + rdc_flash_parts[10].name = "productinfo_parthdr"; + rdc_flash_parts[10].offset = rdc_map_info.size - 0x8000; + rdc_flash_parts[10].size = 0x10; + rdc_flash_parts[11].name = "productinfo"; + rdc_flash_parts[11].offset = rdc_map_info.size - 0x7ff0; + rdc_flash_parts[11].size = 0x1ff0; + rdc_flash_parts[12].name = "bootloader_parthdr"; + rdc_flash_parts[12].offset = rdc_map_info.size - 0x6000; + rdc_flash_parts[12].size = 0x10; + rdc_flash_parts[13].name = "bootloader"; + rdc_flash_parts[13].offset = rdc_map_info.size - 0x5ff0; + rdc_flash_parts[13].size = 0x5ff0; + rdc_flash_parts[14].name = "everything"; + rdc_flash_parts[14].offset = 0; + rdc_flash_parts[14].size = rdc_map_info.size; + rdc_flash_data.nr_parts = 15; + } else { /* ZyXEL */ + rdc_flash_parts[0].name = "kernel"; + rdc_flash_parts[0].offset = 0; + rdc_flash_parts[0].size = 0x100000; + rdc_flash_parts[1].name = "rootfs"; + rdc_flash_parts[1].offset = 0x100000; + rdc_flash_parts[1].size = rdc_map_info.size - 0x140000; + rdc_flash_parts[2].name = "linux"; + rdc_flash_parts[2].offset = 0; + rdc_flash_parts[2].size = rdc_map_info.size - 0x40000; + rdc_flash_parts[3].name = "config"; + rdc_flash_parts[3].offset = rdc_map_info.size - 0x40000; + rdc_flash_parts[3].size = 0x10000; + rdc_flash_parts[4].name = "productinfo"; + rdc_flash_parts[4].offset = rdc_map_info.size - 0x30000; + rdc_flash_parts[4].size = 0x10000; + rdc_flash_parts[5].name = "bootloader"; + rdc_flash_parts[5].offset = rdc_map_info.size - 0x20000; + rdc_flash_parts[5].size = 0x20000; + rdc_flash_data.nr_parts = 6; + } +#endif + return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs)); +} + +#ifdef CONFIG_MTD_RDC3210 +arch_initcall(rdc_board_setup); +#else +late_initcall(rdc_board_setup); +#endif diff --git a/target/linux/rdc/patches-2.6.32/001-rdc3210_flash_map.patch b/target/linux/rdc/patches-2.6.32/001-rdc3210_flash_map.patch new file mode 100644 index 0000000000..01b416260a --- /dev/null +++ b/target/linux/rdc/patches-2.6.32/001-rdc3210_flash_map.patch @@ -0,0 +1,63 @@ +--- a/drivers/mtd/maps/Kconfig ++++ b/drivers/mtd/maps/Kconfig +@@ -114,6 +114,50 @@ config MTD_SUN_UFLASH + Sun Microsystems boardsets. This driver will require CFI support + in the kernel, so if you did not enable CFI previously, do that now. + ++config MTD_RDC3210 ++ tristate "CFI Flash device mapped on RDC3210" ++ depends on X86 && MTD_CFI && MTD_PARTITIONS ++ help ++ RDC-3210 is the flash device we find on Ralink reference board. ++ ++config MTD_RDC3210_STATIC_MAP ++ bool "Partitions on RDC3210 mapped statically" if MTD_RDC3210 ++ select MTD_RDC3210_FACTORY_PRESENT ++ help ++ The mapping driver will use the static partition map for the ++ RDC-3210 flash device. ++ ++config MTD_RDC3210_FACTORY_PRESENT ++ bool "Reserve a partition on RDC3210 for factory presets" ++ depends on MTD_RDC3210 ++ default y ++ help ++ The mapping driver will reserve a partition on the RDC-3210 flash ++ device for resetting flash contents to factory defaults. ++ ++config MTD_RDC3210_ALLOW_JFFS2 ++ bool "JFFS2 filesystem usable in a partition on RDC3210" ++ depends on MTD_RDC3210 && !MTD_RDC3210_STATIC_MAP ++ help ++ The mapping driver will align a partition on the RDC-3210 flash ++ device to an erase-block boundary so that a JFFS2 filesystem may ++ reside on it. ++ ++config MTD_RDC3210_SIZE ++ hex "Amount of flash memory on RDC3210" ++ depends on MTD_RDC3210 ++ default "0x400000" ++ help ++ Total size in bytes of the RDC-3210 flash device ++ ++config MTD_RDC3210_BUSWIDTH ++ int "Width of CFI Flash device mapped on RDC3210" ++ depends on MTD_RDC3210 ++ default "2" ++ help ++ Number of bytes addressed on the RDC-3210 flash device before ++ addressing the same chip again ++ + config MTD_SC520CDP + tristate "CFI Flash device mapped on AMD SC520 CDP" + depends on X86 && MTD_CFI && MTD_CONCAT +--- a/drivers/mtd/maps/Makefile ++++ b/drivers/mtd/maps/Makefile +@@ -26,6 +26,7 @@ obj-$(CONFIG_MTD_PHYSMAP) += physmap.o + obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_of.o + obj-$(CONFIG_MTD_PMC_MSP_EVM) += pmcmsp-flash.o + obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o ++obj-$(CONFIG_MTD_RDC3210) += rdc3210.o + obj-$(CONFIG_MTD_RPXLITE) += rpxlite.o + obj-$(CONFIG_MTD_TQM8XXL) += tqm8xxl.o + obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o diff --git a/target/linux/rdc/patches-2.6.32/002-platform_support.patch b/target/linux/rdc/patches-2.6.32/002-platform_support.patch new file mode 100644 index 0000000000..26b732a3f1 --- /dev/null +++ b/target/linux/rdc/patches-2.6.32/002-platform_support.patch @@ -0,0 +1,12 @@ +--- a/arch/x86/Makefile ++++ b/arch/x86/Makefile +@@ -125,6 +125,9 @@ libs-y += arch/x86/lib/ + # See arch/x86/Kbuild for content of core part of the kernel + core-y += arch/x86/ + ++# RDC R-321X support ++core-$(CONFIG_X86_RDC321X) += arch/x86/mach-rdc321x/ ++ + # drivers-y are linked after core-y + drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/ + drivers-$(CONFIG_PCI) += arch/x86/pci/ diff --git a/target/linux/rdc/patches-2.6.32/004-yenta_mystery.patch b/target/linux/rdc/patches-2.6.32/004-yenta_mystery.patch new file mode 100644 index 0000000000..92589ea548 --- /dev/null +++ b/target/linux/rdc/patches-2.6.32/004-yenta_mystery.patch @@ -0,0 +1,20 @@ +--- a/drivers/pcmcia/yenta_socket.c ++++ b/drivers/pcmcia/yenta_socket.c +@@ -1174,6 +1174,17 @@ static int __devinit yenta_probe (struct + + /* We must finish initialization here */ + ++#ifdef CONFIG_X86_RDC321X ++/* #define YO_TI1510_DATASHEET_GUY_EXPLAIN_THIS_JUNK 0x0044f044 */ ++#define YO_TI1510_DATASHEET_GUY_EXPLAIN_THIS_JUNK 0x0844b060 ++/* #define YO_TI1510_DATASHEET_GUY_EXPLAIN_THIS_JUNK 0x0044d044 */ ++ ++ config_writel(socket, 32*4, YO_TI1510_DATASHEET_GUY_EXPLAIN_THIS_JUNK); ++ config_writel(socket, 35*4, 0x00000022); ++ config_writel(socket, 36*4, 0x60200000); ++ config_writel(socket, 40*4, 0x7e020000); ++#endif ++ + if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) { + /* No IRQ or request_irq failed. Poll */ + socket->cb_irq = 0; /* But zero is a valid IRQ number. */ diff --git a/target/linux/rdc/patches-2.6.32/005-fix_amit_breakage.patch b/target/linux/rdc/patches-2.6.32/005-fix_amit_breakage.patch new file mode 100644 index 0000000000..decaf8c44f --- /dev/null +++ b/target/linux/rdc/patches-2.6.32/005-fix_amit_breakage.patch @@ -0,0 +1,40 @@ +--- a/arch/x86/boot/boot.h ++++ b/arch/x86/boot/boot.h +@@ -64,7 +64,7 @@ static inline void outl(u32 v, u16 port) + { + asm volatile("outl %0,%1" : : "a" (v), "dN" (port)); + } +-static inline u32 inl(u32 port) ++static inline u32 inl(u16 port) + { + u32 v; + asm volatile("inl %1,%0" : "=a" (v) : "dN" (port)); +--- a/arch/x86/boot/pm.c ++++ b/arch/x86/boot/pm.c +@@ -14,6 +14,9 @@ + + #include "boot.h" + #include <asm/segment.h> ++#ifdef CONFIG_X86_RDC321X ++#include <asm/rdc321x_defs.h> ++#endif + + /* + * Invoke the realmode switch hook if present; otherwise +@@ -112,6 +115,16 @@ void go_to_protected_mode(void) + die(); + } + ++#ifdef CONFIG_X86_RDC321X ++ { ++ u32 bootctl; ++ ++ outl(0x80003840, RDC3210_CFGREG_ADDR); ++ bootctl = inl(RDC3210_CFGREG_DATA) | 0x07ff0000; ++ outl(bootctl, RDC3210_CFGREG_DATA); ++ } ++#endif ++ + /* Reset coprocessor (IGNNE#) */ + reset_coprocessor(); + diff --git a/target/linux/rdc/patches-2.6.32/008-r8610_flash_map.patch b/target/linux/rdc/patches-2.6.32/008-r8610_flash_map.patch new file mode 100644 index 0000000000..0f06beb090 --- /dev/null +++ b/target/linux/rdc/patches-2.6.32/008-r8610_flash_map.patch @@ -0,0 +1,25 @@ +--- a/drivers/mtd/maps/Kconfig ++++ b/drivers/mtd/maps/Kconfig +@@ -158,6 +158,12 @@ config MTD_RDC3210_BUSWIDTH + Number of bytes addressed on the RDC-3210 flash device before + addressing the same chip again + ++config MTD_R8610 ++ tristate "CFI flash device mapped on R8610" ++ depends on X86 && MTD_CFI && MTD_PARTITIONS ++ help ++ Flash support for the RDC R8610 evaluation board. ++ + config MTD_SC520CDP + tristate "CFI Flash device mapped on AMD SC520 CDP" + depends on X86 && MTD_CFI && MTD_CONCAT +--- a/drivers/mtd/maps/Makefile ++++ b/drivers/mtd/maps/Makefile +@@ -27,6 +27,7 @@ obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_ + obj-$(CONFIG_MTD_PMC_MSP_EVM) += pmcmsp-flash.o + obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o + obj-$(CONFIG_MTD_RDC3210) += rdc3210.o ++obj-$(CONFIG_MTD_R8610) += r8610.o + obj-$(CONFIG_MTD_RPXLITE) += rpxlite.o + obj-$(CONFIG_MTD_TQM8XXL) += tqm8xxl.o + obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o diff --git a/target/linux/rdc/patches-2.6.32/009-rdc321x_select_embedded.patch b/target/linux/rdc/patches-2.6.32/009-rdc321x_select_embedded.patch new file mode 100644 index 0000000000..625dc65314 --- /dev/null +++ b/target/linux/rdc/patches-2.6.32/009-rdc321x_select_embedded.patch @@ -0,0 +1,11 @@ +--- a/arch/x86/Kconfig ++++ b/arch/x86/Kconfig +@@ -400,6 +400,8 @@ config X86_RDC321X + depends on X86_EXTENDED_PLATFORM + select M486 + select X86_REBOOTFIXUPS ++ select EMBEDDED ++ select ARCH_REQUIRE_GPIOLIB + ---help--- + This option is needed for RDC R-321x system-on-chip, also known + as R-8610-(G). diff --git a/target/linux/rdc/patches-2.6.32/010-rdc_cpu_ident.patch b/target/linux/rdc/patches-2.6.32/010-rdc_cpu_ident.patch new file mode 100644 index 0000000000..918daf10d6 --- /dev/null +++ b/target/linux/rdc/patches-2.6.32/010-rdc_cpu_ident.patch @@ -0,0 +1,176 @@ +--- /dev/null ++++ b/Documentation/x86/rdc.txt +@@ -0,0 +1,69 @@ ++ ++Introduction ++============ ++ ++RDC (http://www.rdc.com.tw) have been manufacturing x86-compatible SoC ++(system-on-chips) for a number of years. They are not the fastest of ++CPUs (clock speeds ranging from 133-150MHz) but 486SX compatibility ++coupled with very low power consumption[1] and low cost make them ideal ++for embedded applications. ++ ++ ++Where to find ++============= ++ ++RDC chips show up in numerous embedded devices, but be careful since ++many of them will not run Linux 2.6 without significant expertise. ++ ++There are several variants of what the linux kernel refers to generically ++as RDC321X: R8610, R321x, S3282 and AMRISC20000. ++ ++R321x: Found in various routers, see the OpenWrt project for details, ++ http://wiki.openwrt.org/oldwiki/rdcport ++ ++R8610: Found on the RDC evaluation board ++ http://www.ivankuten.com/system-on-chip-soc/rdc-r8610/ ++ ++AMRISC20000: Found in the MGB-100 wireless hard disk ++ http://tintuc.no-ip.com/linux/tipps/mgb100/ ++ ++S3282: Found in various NAS devices, including the Bifferboard ++ http://www.bifferos.com ++ ++ ++Kernel Configuration ++==================== ++ ++Add support for this CPU with CONFIG_X86_RDC321X. Ensure that maths ++emulation is included (CONFIG_MATH_EMULATION selected) and avoid MCE ++(CONFIG_X86_MCE not selected). ++ ++ ++CPU detection ++============= ++ ++None of these chips support the cpuid instruction, so as with some ++other x86 compatible SoCs, we must check the north bridge and look ++for specific 'signature' PCI device config. ++ ++The current detection code has been tested only on the Bifferboard ++(S3282 CPU), please send bug reports or success stories with ++other devices to bifferos@yahoo.co.uk. ++ ++ ++Credits ++======= ++ ++Many thanks to RDC for providing the customer codes to allow ++detection of all known variants, without which this detection code ++would have been very hard to ascertain. ++ ++ ++References ++========== ++ ++[1] S3282 in certain NAS solutions consumes less than 1W ++ ++ ++mark@bifferos.com 2009 ++ +--- a/arch/x86/Kconfig ++++ b/arch/x86/Kconfig +@@ -398,6 +398,7 @@ config X86_RDC321X + bool "RDC R-321x SoC" + depends on X86_32 + depends on X86_EXTENDED_PLATFORM ++ select PCI + select M486 + select X86_REBOOTFIXUPS + select EMBEDDED +--- a/arch/x86/include/asm/processor.h ++++ b/arch/x86/include/asm/processor.h +@@ -122,7 +122,8 @@ struct cpuinfo_x86 { + #define X86_VENDOR_CENTAUR 5 + #define X86_VENDOR_TRANSMETA 7 + #define X86_VENDOR_NSC 8 +-#define X86_VENDOR_NUM 9 ++#define X86_VENDOR_RDC 9 ++#define X86_VENDOR_NUM 10 + + #define X86_VENDOR_UNKNOWN 0xff + +--- a/arch/x86/kernel/cpu/Makefile ++++ b/arch/x86/kernel/cpu/Makefile +@@ -24,6 +24,7 @@ obj-$(CONFIG_CPU_SUP_CYRIX_32) += cyrix + obj-$(CONFIG_CPU_SUP_CENTAUR) += centaur.o + obj-$(CONFIG_CPU_SUP_TRANSMETA_32) += transmeta.o + obj-$(CONFIG_CPU_SUP_UMC_32) += umc.o ++obj-$(CONFIG_X86_RDC321X) += rdc.o + + obj-$(CONFIG_PERF_EVENTS) += perf_event.o + +--- /dev/null ++++ b/arch/x86/kernel/cpu/rdc.c +@@ -0,0 +1,69 @@ ++/* ++ * See Documentation/x86/rdc.txt ++ * ++ * mark@bifferos.com ++ */ ++ ++#include <linux/pci.h> ++#include <asm/pci-direct.h> ++#include "cpu.h" ++ ++ ++static void __cpuinit rdc_identify(struct cpuinfo_x86 *c) ++{ ++ u16 vendor, device; ++ u32 customer_id; ++ ++ if (!early_pci_allowed()) ++ return; ++ ++ /* RDC CPU is SoC (system-on-chip), Northbridge is always present */ ++ vendor = read_pci_config_16(0, 0, 0, PCI_VENDOR_ID); ++ device = read_pci_config_16(0, 0, 0, PCI_DEVICE_ID); ++ ++ if (vendor != PCI_VENDOR_ID_RDC || device != PCI_DEVICE_ID_RDC_R6020) ++ return; /* not RDC */ ++ /* ++ * NB: We could go on and check other devices, e.g. r6040 NIC, but ++ * that's probably overkill ++ */ ++ ++ customer_id = read_pci_config(0, 0, 0, 0x90); ++ ++ switch (customer_id) { ++ /* id names are from RDC */ ++ case 0x00321000: ++ strcpy(c->x86_model_id, "R3210/R3211"); ++ break; ++ case 0x00321001: ++ strcpy(c->x86_model_id, "AMITRISC20000/20010"); ++ break; ++ case 0x00321002: ++ strcpy(c->x86_model_id, "R3210X/Edimax"); ++ break; ++ case 0x00321003: ++ strcpy(c->x86_model_id, "R3210/Kcodes"); ++ break; ++ case 0x00321004: /* tested */ ++ strcpy(c->x86_model_id, "S3282/CodeTek"); ++ break; ++ case 0x00321007: ++ strcpy(c->x86_model_id, "R8610"); ++ break; ++ default: ++ pr_info("RDC CPU: Unrecognised Customer ID (0x%x) please report to linux-kernel@vger.kernel.org\n", customer_id); ++ return; ++ } ++ ++ strcpy(c->x86_vendor_id, "RDC"); ++ c->x86_vendor = X86_VENDOR_RDC; ++} ++ ++static const struct cpu_dev __cpuinitconst rdc_cpu_dev = { ++ .c_vendor = "RDC", ++ .c_ident = { "RDC" }, ++ .c_identify = rdc_identify, ++ .c_x86_vendor = X86_VENDOR_RDC, ++}; ++ ++cpu_dev_register(rdc_cpu_dev); |