diff options
Diffstat (limited to 'target/linux/brcm47xx/files/arch/mips')
11 files changed, 1461 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/Makefile b/target/linux/brcm47xx/files/arch/mips/bcm947xx/Makefile new file mode 100644 index 0000000000..f80945c8b9 --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the BCM47xx specific kernel interface routines +# under Linux. +# + +obj-y := irq.o prom.o setup.o time.o +obj-y += nvram.o cfe_env.o diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/cfe_env.c b/target/linux/brcm47xx/files/arch/mips/bcm947xx/cfe_env.c new file mode 100644 index 0000000000..c1d5eeef59 --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/cfe_env.c @@ -0,0 +1,229 @@ +/* + * CFE environment variable access + * + * Copyright 2001-2003, Broadcom Corporation + * Copyright 2006, Felix Fietkau <nbd@openwrt.org> + * + * 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. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <asm/io.h> +#include <asm/uaccess.h> + +#define NVRAM_SIZE (0x1ff0) +static char _nvdata[NVRAM_SIZE]; +static char _valuestr[256]; + +/* + * TLV types. These codes are used in the "type-length-value" + * encoding of the items stored in the NVRAM device (flash or EEPROM) + * + * The layout of the flash/nvram is as follows: + * + * <type> <length> <data ...> <type> <length> <data ...> <type_end> + * + * The type code of "ENV_TLV_TYPE_END" marks the end of the list. + * The "length" field marks the length of the data section, not + * including the type and length fields. + * + * Environment variables are stored as follows: + * + * <type_env> <length> <flags> <name> = <value> + * + * If bit 0 (low bit) is set, the length is an 8-bit value. + * If bit 0 (low bit) is clear, the length is a 16-bit value + * + * Bit 7 set indicates "user" TLVs. In this case, bit 0 still + * indicates the size of the length field. + * + * Flags are from the constants below: + * + */ +#define ENV_LENGTH_16BITS 0x00 /* for low bit */ +#define ENV_LENGTH_8BITS 0x01 + +#define ENV_TYPE_USER 0x80 + +#define ENV_CODE_SYS(n,l) (((n)<<1)|(l)) +#define ENV_CODE_USER(n,l) ((((n)<<1)|(l)) | ENV_TYPE_USER) + +/* + * The actual TLV types we support + */ + +#define ENV_TLV_TYPE_END 0x00 +#define ENV_TLV_TYPE_ENV ENV_CODE_SYS(0,ENV_LENGTH_8BITS) + +/* + * Environment variable flags + */ + +#define ENV_FLG_NORMAL 0x00 /* normal read/write */ +#define ENV_FLG_BUILTIN 0x01 /* builtin - not stored in flash */ +#define ENV_FLG_READONLY 0x02 /* read-only - cannot be changed */ + +#define ENV_FLG_MASK 0xFF /* mask of attributes we keep */ +#define ENV_FLG_ADMIN 0x100 /* lets us internally override permissions */ + + +/* ********************************************************************* + * _nvram_read(buffer,offset,length) + * + * Read data from the NVRAM device + * + * Input parameters: + * buffer - destination buffer + * offset - offset of data to read + * length - number of bytes to read + * + * Return value: + * number of bytes read, or <0 if error occured + ********************************************************************* */ +static int +_nvram_read(unsigned char *nv_buf, unsigned char *buffer, int offset, int length) +{ + int i; + if (offset > NVRAM_SIZE) + return -1; + + for ( i = 0; i < length; i++) { + buffer[i] = ((volatile unsigned char*)nv_buf)[offset + i]; + } + return length; +} + + +static char* +_strnchr(const char *dest,int c,size_t cnt) +{ + while (*dest && (cnt > 0)) { + if (*dest == c) return (char *) dest; + dest++; + cnt--; + } + return NULL; +} + + + +/* + * Core support API: Externally visible. + */ + +/* + * Get the value of an NVRAM variable + * @param name name of variable to get + * @return value of variable or NULL if undefined + */ + +char* +cfe_env_get(unsigned char *nv_buf, char* name) +{ + int size; + unsigned char *buffer; + unsigned char *ptr; + unsigned char *envval; + unsigned int reclen; + unsigned int rectype; + int offset; + int flg; + + if (!strcmp(name, "nvram_type")) + return "cfe"; + + size = NVRAM_SIZE; + buffer = &_nvdata[0]; + + ptr = buffer; + offset = 0; + + /* Read the record type and length */ + if (_nvram_read(nv_buf, ptr,offset,1) != 1) { + goto error; + } + + while ((*ptr != ENV_TLV_TYPE_END) && (size > 1)) { + + /* Adjust pointer for TLV type */ + rectype = *(ptr); + offset++; + size--; + + /* + * Read the length. It can be either 1 or 2 bytes + * depending on the code + */ + if (rectype & ENV_LENGTH_8BITS) { + /* Read the record type and length - 8 bits */ + if (_nvram_read(nv_buf, ptr,offset,1) != 1) { + goto error; + } + reclen = *(ptr); + size--; + offset++; + } + else { + /* Read the record type and length - 16 bits, MSB first */ + if (_nvram_read(nv_buf, ptr,offset,2) != 2) { + goto error; + } + reclen = (((unsigned int) *(ptr)) << 8) + (unsigned int) *(ptr+1); + size -= 2; + offset += 2; + } + + if (reclen > size) + break; /* should not happen, bad NVRAM */ + + switch (rectype) { + case ENV_TLV_TYPE_ENV: + /* Read the TLV data */ + if (_nvram_read(nv_buf, ptr,offset,reclen) != reclen) + goto error; + flg = *ptr++; + envval = (unsigned char *) _strnchr(ptr,'=',(reclen-1)); + if (envval) { + *envval++ = '\0'; + memcpy(_valuestr,envval,(reclen-1)-(envval-ptr)); + _valuestr[(reclen-1)-(envval-ptr)] = '\0'; +#if 0 + printk(KERN_INFO "NVRAM:%s=%s\n", ptr, _valuestr); +#endif + if(!strcmp(ptr, name)){ + return _valuestr; + } + if((strlen(ptr) > 1) && !strcmp(&ptr[1], name)) + return _valuestr; + } + break; + + default: + /* Unknown TLV type, skip it. */ + break; + } + + /* + * Advance to next TLV + */ + + size -= (int)reclen; + offset += reclen; + + /* Read the next record type */ + ptr = buffer; + if (_nvram_read(nv_buf, ptr,offset,1) != 1) + goto error; + } + +error: + return NULL; + +} + diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/include/nvram.h b/target/linux/brcm47xx/files/arch/mips/bcm947xx/include/nvram.h new file mode 100644 index 0000000000..6bb18e8e5f --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/include/nvram.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> + * + * 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 __NVRAM_H +#define __NVRAM_H + +struct nvram_header { + u32 magic; + u32 len; + u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */ + u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */ + u32 config_ncdl; /* ncdl values for memc */ +}; + +struct nvram_tuple { + char *name; + char *value; + struct nvram_tuple *next; +}; + +#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */ +#define NVRAM_VERSION 1 +#define NVRAM_HEADER_SIZE 20 +#define NVRAM_SPACE 0x8000 + +#define NVRAM_MAX_VALUE_LEN 255 +#define NVRAM_MAX_PARAM_LEN 64 + +char *nvram_get(const char *name); + +#endif diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/irq.c b/target/linux/brcm47xx/files/arch/mips/bcm947xx/irq.c new file mode 100644 index 0000000000..56d4c84b7d --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/irq.c @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org) + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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/errno.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/module.h> +#include <linux/smp.h> +#include <linux/types.h> + +#include <asm/cpu.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/irq_cpu.h> + +void plat_irq_dispatch(void) +{ + u32 cause; + + cause = read_c0_cause() & read_c0_status() & CAUSEF_IP; + + clear_c0_status(cause); + + if (cause & CAUSEF_IP7) + do_IRQ(7); + if (cause & CAUSEF_IP2) + do_IRQ(2); + if (cause & CAUSEF_IP3) + do_IRQ(3); + if (cause & CAUSEF_IP4) + do_IRQ(4); + if (cause & CAUSEF_IP5) + do_IRQ(5); + if (cause & CAUSEF_IP6) + do_IRQ(6); +} + +void __init arch_init_irq(void) +{ + mips_cpu_irq_init(); +} diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/nvram.c b/target/linux/brcm47xx/files/arch/mips/bcm947xx/nvram.c new file mode 100644 index 0000000000..3f32ad9d6e --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/nvram.c @@ -0,0 +1,125 @@ +/* + * BCM947xx nvram variable access + * + * Copyright 2005, Broadcom Corporation + * Copyright 2006, Felix Fietkau <nbd@openwrt.org> + * + * 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. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/ssb/ssb.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/slab.h> +#include <asm/byteorder.h> +#include <asm/bootinfo.h> +#include <asm/addrspace.h> +#include <asm/io.h> +#include <asm/uaccess.h> + +#include <nvram.h> + +#define MB * 1048576 +extern struct ssb_bus ssb; + +static char nvram_buf[NVRAM_SPACE]; +static int cfe_env; +extern char *cfe_env_get(char *nv_buf, const char *name); + +/* Probe for NVRAM header */ +static void __init early_nvram_init(void) +{ + struct ssb_mipscore *mcore = &ssb.mipscore; + struct nvram_header *header; + int i; + u32 base, lim, off; + u32 *src, *dst; + + base = mcore->flash_window; + lim = mcore->flash_window_size; + cfe_env = 0; + + + /* XXX: hack for supporting the CFE environment stuff on WGT634U */ + if (lim >= 8 MB) { + src = (u32 *) KSEG1ADDR(base + 8 MB - 0x2000); + dst = (u32 *) nvram_buf; + + if ((*src & 0xff00ff) == 0x000001) { + printk("early_nvram_init: WGT634U NVRAM found.\n"); + + for (i = 0; i < 0x1ff0; i++) { + if (*src == 0xFFFFFFFF) + break; + *dst++ = *src++; + } + cfe_env = 1; + return; + } + } + + off = 0x20000; + while (off <= lim) { + /* Windowed flash access */ + header = (struct nvram_header *) KSEG1ADDR(base + off - NVRAM_SPACE); + if (header->magic == NVRAM_HEADER) + goto found; + off <<= 1; + } + + /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */ + header = (struct nvram_header *) KSEG1ADDR(base + 4096); + if (header->magic == NVRAM_HEADER) + goto found; + + header = (struct nvram_header *) KSEG1ADDR(base + 1024); + if (header->magic == NVRAM_HEADER) + goto found; + + return; + +found: + src = (u32 *) header; + dst = (u32 *) nvram_buf; + for (i = 0; i < sizeof(struct nvram_header); i += 4) + *dst++ = *src++; + for (; i < header->len && i < NVRAM_SPACE; i += 4) + *dst++ = le32_to_cpu(*src++); +} + +char *nvram_get(const char *name) +{ + char *var, *value, *end, *eq; + + if (!name) + return NULL; + + if (!nvram_buf[0]) + early_nvram_init(); + + if (cfe_env) + return cfe_env_get(nvram_buf, name); + + /* Look for name=value and return value */ + var = &nvram_buf[sizeof(struct nvram_header)]; + end = nvram_buf + sizeof(nvram_buf) - 2; + end[0] = end[1] = '\0'; + for (; *var; var = value + strlen(value) + 1) { + if (!(eq = strchr(var, '='))) + break; + value = eq + 1; + if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0) + return value; + } + + return NULL; +} + +EXPORT_SYMBOL(nvram_get); diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/prom.c b/target/linux/brcm47xx/files/arch/mips/bcm947xx/prom.c new file mode 100644 index 0000000000..41ea0870b7 --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/prom.c @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org) + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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/init.h> +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/bootmem.h> + +#include <asm/addrspace.h> +#include <asm/bootinfo.h> +#include <asm/pmon.h> +#include "../cfe/cfe_private.h" + +const char *get_system_type(void) +{ + return "Broadcom BCM47xx"; +} + +void __init prom_init(void) +{ + unsigned long mem; + + mips_machgroup = MACH_GROUP_BRCM; + mips_machtype = MACH_BCM47XX; + + cfe_setup(fw_arg0, fw_arg1, fw_arg2, fw_arg3); + + /* Figure out memory size by finding aliases */ + for (mem = (1 << 20); mem < (128 << 20); mem += (1 << 20)) { + if (*(unsigned long *)((unsigned long)(prom_init) + mem) == + *(unsigned long *)(prom_init)) + break; + } + + add_memory_region(0, mem, BOOT_MEM_RAM); +} + +void __init prom_free_prom_memory(void) +{ +} diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/setup.c b/target/linux/brcm47xx/files/arch/mips/bcm947xx/setup.c new file mode 100644 index 0000000000..f7687d4dd1 --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/setup.c @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org) + * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org> + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2006 Michael Buesch + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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/init.h> +#include <linux/types.h> +#include <linux/tty.h> +#include <linux/serial.h> +#include <linux/serial_core.h> +#include <linux/serial_reg.h> +#include <asm/bootinfo.h> +#include <asm/time.h> +#include <asm/reboot.h> +#include <asm/cfe.h> +#include <linux/pm.h> +#include <linux/ssb/ssb.h> + +#include <nvram.h> + +extern void bcm47xx_pci_init(void); +extern void bcm47xx_time_init(void); + +struct ssb_bus ssb; + +static void bcm47xx_machine_restart(char *command) +{ + printk(KERN_ALERT "Please stand by while rebooting the system...\n"); + local_irq_disable(); + /* CFE has a reboot callback, but that does not work. + * Oopses with: Reserved instruction in kernel code. + */ + + /* Set the watchdog timer to reset immediately */ + ssb_chipco_watchdog(&ssb.chipco, 1); + while (1) + cpu_relax(); +} + +static void bcm47xx_machine_halt(void) +{ + /* Disable interrupts and watchdog and spin forever */ + local_irq_disable(); + ssb_chipco_watchdog(&ssb.chipco, 0); + while (1) + cpu_relax(); +} + +static void e_aton(char *str, char *dest) +{ + int i = 0; + + if (str == NULL) { + memset(dest, 0, 6); + return; + } + + for (;;) { + dest[i++] = (char) simple_strtoul(str, NULL, 16); + str += 2; + if (!*str++ || i == 6) + break; + } +} + +static void bcm47xx_fill_sprom(struct ssb_sprom *sprom) +{ + // TODO +} + +static void bcm47xx_fill_sprom_nvram(struct ssb_sprom *sprom) +{ + char *s; + + memset(sprom, 0, sizeof(struct ssb_sprom)); + + sprom->revision = 3; + if ((s = nvram_get("et0macaddr"))) + e_aton(s, sprom->r1.et0mac); + if ((s = nvram_get("et1macaddr"))) + e_aton(s, sprom->r1.et1mac); + if ((s = nvram_get("et0phyaddr"))) + sprom->r1.et0phyaddr = simple_strtoul(s, NULL, 10); + if ((s = nvram_get("et1phyaddr"))) + sprom->r1.et1phyaddr = simple_strtoul(s, NULL, 10); +} + +void __init plat_mem_setup(void) +{ + int i, err; + char *s; + struct ssb_mipscore *mcore; + + err = ssb_bus_ssbbus_register(&ssb, SSB_ENUM_BASE, bcm47xx_fill_sprom); + if (err) { + const char *msg = "Failed to initialize SSB bus (err %d)\n"; + cfe_printk(msg, err); /* Make sure the message gets out of the box. */ + panic(msg, err); + } + mcore = &ssb.mipscore; + + /* FIXME: the nvram init depends on the ssb being fully initializes, + * can't use the fill_sprom callback yet! */ + bcm47xx_fill_sprom_nvram(&ssb.sprom); + + s = nvram_get("kernel_args"); + if (s && !strncmp(s, "console=ttyS1", 13)) { + struct ssb_serial_port port; + + cfe_printk("Swapping serial ports!\n"); + /* swap serial ports */ + memcpy(&port, &mcore->serial_ports[0], sizeof(port)); + memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port)); + memcpy(&mcore->serial_ports[1], &port, sizeof(port)); + } + + for (i = 0; i < mcore->nr_serial_ports; i++) { + struct ssb_serial_port *port = &(mcore->serial_ports[i]); + struct uart_port s; + + memset(&s, 0, sizeof(s)); + s.line = i; + s.membase = port->regs; + s.irq = port->irq + 2;//FIXME? + s.uartclk = port->baud_base; + s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; + s.iotype = SERIAL_IO_MEM; + s.regshift = port->reg_shift; + + early_serial_setup(&s); + } + cfe_printk("Serial init done.\n"); + + _machine_restart = bcm47xx_machine_restart; + _machine_halt = bcm47xx_machine_halt; + pm_power_off = bcm47xx_machine_halt; + + board_time_init = bcm47xx_time_init;//FIXME move into ssb +} + +EXPORT_SYMBOL(ssb); diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/time.c b/target/linux/brcm47xx/files/arch/mips/bcm947xx/time.c new file mode 100644 index 0000000000..62120ebc74 --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/time.c @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org) + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/serial_reg.h> +#include <linux/interrupt.h> +#include <linux/ssb/ssb.h> +#include <asm/addrspace.h> +#include <asm/io.h> +#include <asm/time.h> + +extern struct ssb_bus ssb; + +void __init +bcm47xx_time_init(void) +{ + unsigned long hz; + + /* + * Use deterministic values for initial counter interrupt + * so that calibrate delay avoids encountering a counter wrap. + */ + write_c0_count(0); + write_c0_compare(0xffff); + + hz = ssb_cpu_clock(&ssb.mipscore) / 2; + if (!hz) + hz = 100000000; + + /* Set MIPS counter frequency for fixed_rate_gettimeoffset() */ + mips_hpt_frequency = hz; +} + +void __init +plat_timer_setup(struct irqaction *irq) +{ + /* Enable the timer interrupt */ + setup_irq(7, irq); +} diff --git a/target/linux/brcm47xx/files/arch/mips/cfe/Makefile b/target/linux/brcm47xx/files/arch/mips/cfe/Makefile new file mode 100644 index 0000000000..d9f046adf3 --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/cfe/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the Broadcom Common Firmware Environment support +# + +obj-y += cfe.o diff --git a/target/linux/brcm47xx/files/arch/mips/cfe/cfe.c b/target/linux/brcm47xx/files/arch/mips/cfe/cfe.c new file mode 100644 index 0000000000..6d16111e1c --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/cfe/cfe.c @@ -0,0 +1,533 @@ +/* + * Broadcom Common Firmware Environment (CFE) support + * + * Copyright 2000, 2001, 2002 + * Broadcom Corporation. All rights reserved. + * + * Copyright (C) 2006 Michael Buesch + * + * Original Authors: Mitch Lichtenberg, Chris Demetriou + * + * This software is furnished under license and may be used and copied only + * in accordance with the following terms and conditions. Subject to these + * conditions, you may download, copy, install, use, modify and distribute + * modified or unmodified copies of this software in source and/or binary + * form. No title or ownership is transferred hereby. + * + * 1) Any source code used, modified or distributed must reproduce and + * retain this copyright notice and list of conditions as they appear in + * the source file. + * + * 2) No right is granted to use any trade name, trademark, or logo of + * Broadcom Corporation. The "Broadcom Corporation" name may not be + * used to endorse or promote products derived from this software + * without the prior written permission of Broadcom Corporation. + * + * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR + * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE + * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE + * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/init.h> +#include <linux/string.h> +#include <linux/errno.h> +#include <linux/spinlock.h> +#include <asm/cfe.h> + +#include "cfe_private.h" + + +static cfe_uint_t cfe_handle; +static int (*cfe_trampoline)(long handle, long iocb); + + +#include <linux/kernel.h> + +void __init cfe_setup(unsigned long fwarg0, unsigned long fwarg1, + unsigned long fwarg2, unsigned long fwarg3) +{ + if (fwarg3 == 0x80300000) { + /* WRT54G workaround */ + fwarg3 = CFE_EPTSEAL; + fwarg2 = 0xBFC00500; + } + if (fwarg3 != CFE_EPTSEAL) { + /* We are not booted from CFE */ + return; + } + if (fwarg1 == 0) { + /* We are on the boot CPU */ + cfe_handle = (cfe_uint_t)fwarg0; + cfe_trampoline = CFE_TO_PTR(fwarg2); + } +} + +int cfe_vprintk(const char *fmt, va_list args) +{ + static char buffer[1024]; + static DEFINE_SPINLOCK(lock); + static const char pfx[] = "CFE-console: "; + static const size_t pfx_len = sizeof(pfx) - 1; + unsigned long flags; + int len, cnt, pos; + int handle; + int res; + + if (!cfe_present()) + return -ENODEV; + + spin_lock_irqsave(&lock, flags); + handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE); + if (CFE_ISERR(handle)) { + len = -EIO; + goto out; + } + strcpy(buffer, pfx); + len = vscnprintf(buffer + pfx_len, + sizeof(buffer) - pfx_len - 2, + fmt, args); + len += pfx_len; + /* The CFE console requires CR-LF line-ends. + * Add a CR, if we only terminate lines with a LF. + * This does only fix CR-LF at the end of the string. + * So for multiple lines, use multiple cfe_vprintk calls. + */ + if (len > 1 && + buffer[len - 1] == '\n' && buffer[len - 2] != '\r') { + buffer[len - 1] = '\r'; + buffer[len] = '\n'; + len += 1; + } + cnt = len; + pos = 0; + while (cnt > 0) { + res = cfe_write(handle, buffer + pos, len - pos); + if (CFE_ISERR(res)) { + len = -EIO; + goto out; + } + cnt -= res; + pos += res; + } +out: + spin_unlock_irqrestore(&lock, flags); + + return len; +} + +int cfe_printk(const char *fmt, ...) +{ + va_list args; + int res; + + va_start(args, fmt); + res = cfe_vprintk(fmt, args); + va_end(args); + + return res; +} + +static int cfe_iocb_dispatch(struct cfe_iocb *iocb) +{ + if (!cfe_present()) + return CFE_ERR_UNSUPPORTED; + return cfe_trampoline((long)cfe_handle, (long)iocb); +} + +int cfe_present(void) +{ + return (cfe_trampoline != NULL); +} + +int cfe_close(int handle) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_DEV_CLOSE; + iocb.handle = handle; + + err = cfe_iocb_dispatch(&iocb); + + return (CFE_ISERR(err)) ? err : iocb.status; +} + +int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_FW_CPUCTL; + iocb.psize = sizeof(struct cfe_iocb_cpuctl); + iocb.cpuctl.number = cpu; + iocb.cpuctl.command = CFE_CPU_CMD_START; + iocb.cpuctl.gp = gp; + iocb.cpuctl.sp = sp; + iocb.cpuctl.a1 = a1; + iocb.cpuctl.start_addr = (long)fn; + + err = cfe_iocb_dispatch(&iocb); + + return (CFE_ISERR(err)) ? err : iocb.status; +} + +int cfe_cpu_stop(int cpu) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_FW_CPUCTL; + iocb.psize = sizeof(struct cfe_iocb_cpuctl); + iocb.cpuctl.number = cpu; + iocb.cpuctl.command = CFE_CPU_CMD_STOP; + + err = cfe_iocb_dispatch(&iocb); + + return (CFE_ISERR(err)) ? err : iocb.status; +} + +int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_ENV_ENUM; + iocb.psize = sizeof(struct cfe_iocb_envbuf); + iocb.envbuf.index = idx; + iocb.envbuf.name = PTR_TO_CFE(name); + iocb.envbuf.name_len = namelen; + iocb.envbuf.val = PTR_TO_CFE(val); + iocb.envbuf.val_len = vallen; + + err = cfe_iocb_dispatch(&iocb); + + return (CFE_ISERR(err)) ? err : iocb.status; +} + +int cfe_enumdev(int idx, char *name, int namelen) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + + iocb.fcode = CFE_CMD_DEV_ENUM; + iocb.psize = sizeof(struct cfe_iocb_envbuf); + iocb.envbuf.index = idx; + iocb.envbuf.name = PTR_TO_CFE(name); + iocb.envbuf.name_len = namelen; + + err = cfe_iocb_dispatch(&iocb); + + return (CFE_ISERR(err)) ? err : iocb.status; +} + +int cfe_enummem(int idx, int flags, u64 *start, u64 *length, + u64 *type) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + + iocb.fcode = CFE_CMD_FW_MEMENUM; + iocb.flags = flags; + iocb.psize = sizeof(struct cfe_iocb_meminfo); + iocb.meminfo.index = idx; + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (!CFE_ISERR(iocb.status)) { + *start = iocb.meminfo.addr; + *length = iocb.meminfo.size; + *type = iocb.meminfo.type; + } + + return iocb.status; +} + +int cfe_exit(int warm, int status) +{ + struct cfe_iocb iocb; + int err; + +printk("CFE REBOOT\n"); + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_FW_RESTART; + if (warm) + iocb.flags = CFE_FLG_WARMSTART; + iocb.psize = sizeof(struct cfe_iocb_exitstat); + iocb.exitstat.status = status; + +printk("CALL\n"); + err = cfe_iocb_dispatch(&iocb); +printk("DONE\n"); + + return (CFE_ISERR(err)) ? err : iocb.status; +} + +int cfe_flushcache(int flags) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_FW_FLUSHCACHE; + iocb.flags = flags; + + err = cfe_iocb_dispatch(&iocb); + + return (CFE_ISERR(err)) ? err : iocb.status; +} + +int cfe_getdevinfo(char *name) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_DEV_GETINFO; + iocb.psize = sizeof(struct cfe_iocb_buf); + iocb.buffer.ptr = PTR_TO_CFE(name); + iocb.buffer.length = strlen(name); + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (CFE_ISERR(iocb.status)) + return iocb.status; + + return iocb.buffer.devflags; +} + +int cfe_getenv(char *name, char *dest, int destlen) +{ + struct cfe_iocb iocb; + int err; + + dest[0] = '\0'; + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_ENV_GET; + iocb.psize = sizeof(struct cfe_iocb_envbuf); + iocb.envbuf.name = PTR_TO_CFE(name); + iocb.envbuf.name_len = strlen(name); + iocb.envbuf.val = PTR_TO_CFE(dest); + iocb.envbuf.val_len = destlen; + + err = cfe_iocb_dispatch(&iocb); + + return (CFE_ISERR(err)) ? err : iocb.status; +} + +int cfe_getfwinfo(struct cfe_fwinfo *info) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_FW_GETINFO; + iocb.psize = sizeof(struct cfe_iocb_fwinfo); + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (CFE_ISERR(iocb.status)) + return err; + + info->version = iocb.fwinfo.version; + info->totalmem = iocb.fwinfo.totalmem; + info->flags = iocb.fwinfo.flags; + info->boardid = iocb.fwinfo.boardid; + info->bootarea_va = iocb.fwinfo.bootarea_va; + info->bootarea_pa = iocb.fwinfo.bootarea_pa; + info->bootarea_size = iocb.fwinfo.bootarea_size; + + return iocb.status; +} + +int cfe_getstdhandle(int handletype) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_DEV_GETHANDLE; + iocb.flags = handletype; + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (CFE_ISERR(iocb.status)) + return iocb.status; + + return iocb.handle; +} + +int cfe_getticks(s64 *ticks) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_FW_GETTIME; + iocb.psize = sizeof(struct cfe_iocb_time); + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (!CFE_ISERR(iocb.status)) + *ticks = iocb.time.ticks; + + return iocb.status; +} + +int cfe_inpstat(int handle) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_DEV_INPSTAT; + iocb.handle = handle; + iocb.psize = sizeof(struct cfe_iocb_inpstat); + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (CFE_ISERR(iocb.status)) + return iocb.status; + + return iocb.inpstat.status; +} + +int cfe_ioctl(int handle, unsigned int ioctlnum, + unsigned char *buffer, int length, + int *retlen, u64 offset) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_DEV_IOCTL; + iocb.handle = handle; + iocb.psize = sizeof(struct cfe_iocb_buf); + iocb.buffer.offset = offset; + iocb.buffer.ioctlcmd = ioctlnum; + iocb.buffer.ptr = PTR_TO_CFE(buffer); + iocb.buffer.length = length; + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (CFE_ISERR(iocb.status)) + return iocb.status; + if (retlen) + *retlen = iocb.buffer.retlen; + + return iocb.status; +} + +int cfe_open(char *name) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_DEV_OPEN; + iocb.psize = sizeof(struct cfe_iocb_buf); + iocb.buffer.ptr = PTR_TO_CFE(name); + iocb.buffer.length = strlen(name); + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (CFE_ISERR(iocb.status)) + return iocb.status; + + return iocb.handle; +} + +int cfe_read(int handle, unsigned char *buffer, int length) +{ + return cfe_readblk(handle, 0, buffer, length); +} + +int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_DEV_READ; + iocb.handle = handle; + iocb.psize = sizeof(struct cfe_iocb_buf); + iocb.buffer.offset = offset; + iocb.buffer.ptr = PTR_TO_CFE(buffer); + iocb.buffer.length = length; + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (CFE_ISERR(iocb.status)) + return iocb.status; + + return iocb.buffer.retlen; +} + +int cfe_setenv(char *name, char *val) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_ENV_SET; + iocb.psize = sizeof(struct cfe_iocb_envbuf); + iocb.envbuf.name = PTR_TO_CFE(name); + iocb.envbuf.name_len = strlen(name); + iocb.envbuf.val = PTR_TO_CFE(val); + iocb.envbuf.val_len = strlen(val); + + err = cfe_iocb_dispatch(&iocb); + + return (CFE_ISERR(err)) ? err : iocb.status; +} + +int cfe_write(int handle, unsigned char *buffer, int length) +{ + return cfe_writeblk(handle, 0, buffer, length); +} + +int cfe_writeblk(int handle, s64 offset, unsigned char *buffer, int length) +{ + struct cfe_iocb iocb; + int err; + + memset(&iocb, 0, sizeof(iocb)); + iocb.fcode = CFE_CMD_DEV_WRITE; + iocb.handle = handle; + iocb.psize = sizeof(struct cfe_iocb_buf); + iocb.buffer.offset = offset; + iocb.buffer.ptr = PTR_TO_CFE(buffer); + iocb.buffer.length = length; + + err = cfe_iocb_dispatch(&iocb); + if (CFE_ISERR(err)) + return err; + if (CFE_ISERR(iocb.status)) + return iocb.status; + + return iocb.buffer.retlen; +} diff --git a/target/linux/brcm47xx/files/arch/mips/cfe/cfe_private.h b/target/linux/brcm47xx/files/arch/mips/cfe/cfe_private.h new file mode 100644 index 0000000000..0a604d3bbd --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/cfe/cfe_private.h @@ -0,0 +1,176 @@ +/* + * Broadcom Common Firmware Environment (CFE) support + * + * Copyright 2000, 2001, 2002 + * Broadcom Corporation. All rights reserved. + * + * Copyright (C) 2006 Michael Buesch + * + * Original Authors: Mitch Lichtenberg, Chris Demetriou + * + * This software is furnished under license and may be used and copied only + * in accordance with the following terms and conditions. Subject to these + * conditions, you may download, copy, install, use, modify and distribute + * modified or unmodified copies of this software in source and/or binary + * form. No title or ownership is transferred hereby. + * + * 1) Any source code used, modified or distributed must reproduce and + * retain this copyright notice and list of conditions as they appear in + * the source file. + * + * 2) No right is granted to use any trade name, trademark, or logo of + * Broadcom Corporation. The "Broadcom Corporation" name may not be + * used to endorse or promote products derived from this software + * without the prior written permission of Broadcom Corporation. + * + * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR + * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE + * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE + * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef LINUX_CFE_PRIVATE_H_ +#define LINUX_CFE_PRIVATE_H_ + +#ifndef __ASSEMBLY__ + +/* Seal indicating CFE's presence, passed to the kernel. */ +#define CFE_EPTSEAL 0x43464531 + +#define CFE_CMD_FW_GETINFO 0 +#define CFE_CMD_FW_RESTART 1 +#define CFE_CMD_FW_BOOT 2 +#define CFE_CMD_FW_CPUCTL 3 +#define CFE_CMD_FW_GETTIME 4 +#define CFE_CMD_FW_MEMENUM 5 +#define CFE_CMD_FW_FLUSHCACHE 6 + +#define CFE_CMD_DEV_GETHANDLE 9 +#define CFE_CMD_DEV_ENUM 10 +#define CFE_CMD_DEV_OPEN 11 +#define CFE_CMD_DEV_INPSTAT 12 +#define CFE_CMD_DEV_READ 13 +#define CFE_CMD_DEV_WRITE 14 +#define CFE_CMD_DEV_IOCTL 15 +#define CFE_CMD_DEV_CLOSE 16 +#define CFE_CMD_DEV_GETINFO 17 + +#define CFE_CMD_ENV_ENUM 20 +#define CFE_CMD_ENV_GET 22 +#define CFE_CMD_ENV_SET 23 +#define CFE_CMD_ENV_DEL 24 + +#define CFE_CMD_MAX 32 + +#define CFE_CMD_VENDOR_USE 0x8000 /* codes above this are for customer use */ + +typedef u64 cfe_uint_t; +typedef s64 cfe_int_t; +typedef s64 cfe_ptr_t; + +/* Cast a pointer from native to CFE-API pointer and back */ +#define CFE_TO_PTR(p) ((void *)(unsigned long)(p)) +#define PTR_TO_CFE(p) ((cfe_ptr_t)(unsigned long)(p)) + +struct cfe_iocb_buf { + cfe_uint_t offset; /* offset on device (bytes) */ + cfe_ptr_t ptr; /* pointer to a buffer */ + cfe_uint_t length; /* length of this buffer */ + cfe_uint_t retlen; /* returned length (for read ops) */ + union { + cfe_uint_t ioctlcmd; /* IOCTL command (used only for IOCTLs) */ + cfe_uint_t devflags; /* Returned device info flags */ + }; +}; + +struct cfe_iocb_inpstat { + cfe_uint_t status; /* 1 means input available */ +}; + +struct cfe_iocb_envbuf { + cfe_int_t index; /* 0-based enumeration index */ + cfe_ptr_t name; /* name string buffer */ + cfe_int_t name_len; /* size of name buffer */ + cfe_ptr_t val; /* value string buffer */ + cfe_int_t val_len; /* size of value string buffer */ +}; + +struct cfe_iocb_cpuctl { + cfe_uint_t number; /* cpu number to control */ + cfe_uint_t command; /* command to issue to CPU */ + cfe_uint_t start_addr; /* CPU start address */ + cfe_uint_t gp; /* starting GP value */ + cfe_uint_t sp; /* starting SP value */ + cfe_uint_t a1; /* starting A1 value */ +}; + +struct cfe_iocb_time { + cfe_int_t ticks; /* current time in ticks */ +}; + +struct cfe_iocb_exitstat { + cfe_int_t status; +}; + +struct cfe_iocb_meminfo { + cfe_int_t index; /* 0-based enumeration index */ + cfe_int_t type; /* type of memory block */ + cfe_uint_t addr; /* physical start address */ + cfe_uint_t size; /* block size */ +}; + +struct cfe_iocb_fwinfo { + cfe_int_t version; /* major, minor, eco version */ + cfe_int_t totalmem; /* total installed mem */ + cfe_int_t flags; /* various flags */ + cfe_int_t boardid; /* board ID */ + cfe_int_t bootarea_va; /* VA of boot area */ + cfe_int_t bootarea_pa; /* PA of boot area */ + cfe_int_t bootarea_size; /* size of boot area */ + cfe_int_t reserved1; + cfe_int_t reserved2; + cfe_int_t reserved3; +}; + +/* CFE I/O Control Block */ +struct cfe_iocb { + cfe_uint_t fcode; /* IOCB function code */ + cfe_int_t status; /* return status */ + cfe_int_t handle; /* file/device handle */ + cfe_uint_t flags; /* flags for this IOCB */ + cfe_uint_t psize; /* size of parameter list */ + union { + struct cfe_iocb_buf buffer; /* buffer parameters */ + struct cfe_iocb_inpstat inpstat; /* input status parameters */ + struct cfe_iocb_envbuf envbuf; /* environment function parameters */ + struct cfe_iocb_cpuctl cpuctl; /* CPU control parameters */ + struct cfe_iocb_time time; /* timer parameters */ + struct cfe_iocb_meminfo meminfo; /* memory arena info parameters */ + struct cfe_iocb_fwinfo fwinfo; /* firmware information */ + struct cfe_iocb_exitstat exitstat; /* Exit Status */ + }; +}; + + +#include <linux/init.h> + +void __init cfe_setup(unsigned long fwarg0, unsigned long fwarg1, + unsigned long fwarg2, unsigned long fwarg3); + +#else /* __ASSEMBLY__ */ + + .macro cfe_early_init +#ifdef CONFIG_CFE + jal cfe_setup +#endif + .endm + +#endif /* __ASSEMBLY__ */ +#endif /* LINUX_CFE_PRIVATE_H_ */ |