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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-02-08 02:34:18 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-02-08 02:34:18 +0000
commit4238a3aeadb97d101b1a5051f922743b8ba34e4d (patch)
tree83ecf51f2e0471e80e7ee1e43340db25768c4c05 /target/linux/brcm47xx-2.6/files/arch/mips
parentb89ba4c713c6c315103c84fea2bed1d451820c58 (diff)
update work in progress rewritten bcm947xx code. wifi and usb seem to be working, flash access still has problems
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6276 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx-2.6/files/arch/mips')
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/Makefile7
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/cfe_env.c229
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/include/nvram.h37
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/irq.c63
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c125
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/prom.c62
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/setup.c163
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/time.c62
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/cfe/Makefile5
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/cfe/cfe.c533
-rw-r--r--target/linux/brcm47xx-2.6/files/arch/mips/cfe/cfe_private.h176
11 files changed, 1462 insertions, 0 deletions
diff --git a/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/Makefile b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/Makefile
new file mode 100644
index 000000000..f80945c8b
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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-2.6/files/arch/mips/bcm947xx/cfe_env.c b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/cfe_env.c
new file mode 100644
index 000000000..326809567
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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] __initdata;
+static char _valuestr[256] __initdata;
+
+/*
+ * 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-2.6/files/arch/mips/bcm947xx/include/nvram.h b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/include/nvram.h
new file mode 100644
index 000000000..6bb18e8e5
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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-2.6/files/arch/mips/bcm947xx/irq.c b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/irq.c
new file mode 100644
index 000000000..8727a4f95
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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(0);
+}
diff --git a/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c
new file mode 100644
index 000000000..3f32ad9d6
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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-2.6/files/arch/mips/bcm947xx/prom.c b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/prom.c
new file mode 100644
index 000000000..235d45aad
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/prom.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/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);
+}
+
+unsigned long __init prom_free_prom_memory(void)
+{
+ return 0;
+}
diff --git a/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/setup.c b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/setup.c
new file mode 100644
index 000000000..547c50a73
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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 */
+//TODO sb_watchdog(sbh, 1);
+ while (1)
+ cpu_relax();
+}
+
+static void bcm47xx_machine_halt(void)
+{
+ /* Disable interrupts and watchdog and spin forever */
+ local_irq_disable();
+//TODO sb_watchdog(sbh, 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-2.6/files/arch/mips/bcm947xx/time.c b/target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/time.c
new file mode 100644
index 000000000..62120ebc7
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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-2.6/files/arch/mips/cfe/Makefile b/target/linux/brcm47xx-2.6/files/arch/mips/cfe/Makefile
new file mode 100644
index 000000000..d9f046adf
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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-2.6/files/arch/mips/cfe/cfe.c b/target/linux/brcm47xx-2.6/files/arch/mips/cfe/cfe.c
new file mode 100644
index 000000000..6d16111e1
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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-2.6/files/arch/mips/cfe/cfe_private.h b/target/linux/brcm47xx-2.6/files/arch/mips/cfe/cfe_private.h
new file mode 100644
index 000000000..0a604d3bb
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/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_ */