From 854c5047814d6eb446cc26b6b742cd6abe10e183 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 11 Nov 2012 18:40:48 +0000
Subject: move files directory to files-3.3
SVN-Revision: 34153
---
target/linux/ar7/files-3.3/drivers/char/ar7_gpio.c | 158 ++++++++++++++
target/linux/ar7/files-3.3/drivers/mtd/ac49xpart.c | 220 +++++++++++++++++++
target/linux/ar7/files-3.3/drivers/mtd/titanpart.c | 234 +++++++++++++++++++++
3 files changed, 612 insertions(+)
create mode 100644 target/linux/ar7/files-3.3/drivers/char/ar7_gpio.c
create mode 100644 target/linux/ar7/files-3.3/drivers/mtd/ac49xpart.c
create mode 100644 target/linux/ar7/files-3.3/drivers/mtd/titanpart.c
(limited to 'target/linux/ar7/files-3.3/drivers')
diff --git a/target/linux/ar7/files-3.3/drivers/char/ar7_gpio.c b/target/linux/ar7/files-3.3/drivers/char/ar7_gpio.c
new file mode 100644
index 0000000..a7d0a55
--- /dev/null
+++ b/target/linux/ar7/files-3.3/drivers/char/ar7_gpio.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2007 Nicolas Thill <nico@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.
+ *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/device.h>
+#include <linux/fs.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
+#include <linux/types.h>
+#include <linux/cdev.h>
+#include <gpio.h>
+
+#define DRVNAME "ar7_gpio"
+#define LONGNAME "TI AR7 GPIOs Driver"
+
+MODULE_AUTHOR("Nicolas Thill <nico@openwrt.org>");
+MODULE_DESCRIPTION(LONGNAME);
+MODULE_LICENSE("GPL");
+
+static int ar7_gpio_major;
+
+static ssize_t ar7_gpio_write(struct file *file, const char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ int pin = iminor(file->f_dentry->d_inode);
+ size_t i;
+
+ for (i = 0; i < len; ++i) {
+ char c;
+ if (get_user(c, buf + i))
+ return -EFAULT;
+ switch (c) {
+ case '0':
+ gpio_set_value(pin, 0);
+ break;
+ case '1':
+ gpio_set_value(pin, 1);
+ break;
+ case 'd':
+ case 'D':
+ ar7_gpio_disable(pin);
+ break;
+ case 'e':
+ case 'E':
+ ar7_gpio_enable(pin);
+ break;
+ case 'i':
+ case 'I':
+ case '<':
+ gpio_direction_input(pin);
+ break;
+ case 'o':
+ case 'O':
+ case '>':
+ gpio_direction_output(pin, 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ return len;
+}
+
+static ssize_t ar7_gpio_read(struct file *file, char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ int pin = iminor(file->f_dentry->d_inode);
+ int value;
+
+ value = gpio_get_value(pin);
+ if (put_user(value ? '1' : '0', buf))
+ return -EFAULT;
+
+ return 1;
+}
+
+static int ar7_gpio_open(struct inode *inode, struct file *file)
+{
+ int m = iminor(inode);
+
+ if (m >= (ar7_is_titan() ? TITAN_GPIO_MAX : AR7_GPIO_MAX))
+ return -EINVAL;
+
+ return nonseekable_open(inode, file);
+}
+
+static int ar7_gpio_release(struct inode *inode, struct file *file)
+{
+ return 0;
+}
+
+static const struct file_operations ar7_gpio_fops = {
+ .owner = THIS_MODULE,
+ .write = ar7_gpio_write,
+ .read = ar7_gpio_read,
+ .open = ar7_gpio_open,
+ .release = ar7_gpio_release,
+ .llseek = no_llseek,
+};
+
+static struct platform_device *ar7_gpio_device;
+
+static int __init ar7_gpio_char_init(void)
+{
+ int rc;
+
+ ar7_gpio_device = platform_device_alloc(DRVNAME, -1);
+ if (!ar7_gpio_device)
+ return -ENOMEM;
+
+ rc = platform_device_add(ar7_gpio_device);
+ if (rc < 0)
+ goto out_put;
+
+ rc = register_chrdev(ar7_gpio_major, DRVNAME, &ar7_gpio_fops);
+ if (rc < 0)
+ goto out_put;
+
+ ar7_gpio_major = rc;
+
+ rc = 0;
+
+ goto out;
+
+out_put:
+ platform_device_put(ar7_gpio_device);
+out:
+ return rc;
+}
+
+static void __exit ar7_gpio_char_exit(void)
+{
+ unregister_chrdev(ar7_gpio_major, DRVNAME);
+ platform_device_unregister(ar7_gpio_device);
+}
+
+module_init(ar7_gpio_char_init);
+module_exit(ar7_gpio_char_exit);
diff --git a/target/linux/ar7/files-3.3/drivers/mtd/ac49xpart.c b/target/linux/ar7/files-3.3/drivers/mtd/ac49xpart.c
new file mode 100644
index 0000000..1f937f0
--- /dev/null
+++ b/target/linux/ar7/files-3.3/drivers/mtd/ac49xpart.c
@@ -0,0 +1,220 @@
+/*
+ * AudioCodes AC49x PSPBoot-based flash partition table
+ * Copyright 2012 Daniel Golle <daniel.golle@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/bootmem.h>
+#include <linux/magic.h>
+#include <linux/module.h>
+
+#include <asm/mach-ar7/prom.h>
+
+#define AC49X_MAXENVPARTS 8
+
+#define AC49X_PARTTYPE_LOADER 0
+#define AC49X_PARTTYPE_BOOTENV 1
+#define AC49X_PARTTYPE_LINUX 2
+#define AC49X_PARTTYPE_ROOTFS 3
+#define AC49X_PARTTYPE_UNKNOWN 4
+#define AC49X_NUM_PARTTYPES 5
+
+#define AC49X_FLASH_ADDRMASK 0x00FFFFFF
+
+#define AC49X_LOADER_MAGIC 0x40809000
+#define AC49X_LINUX_MAGIC 0x464c457f /* ELF */
+#define AC49X_BOOTENV_MAGIC 0x4578614d /* MaxE */
+
+#define ROOTFS_MIN_OFFSET 0xC0000
+
+int parse_partvar(const unsigned char *partvar, struct mtd_partition *part)
+{
+ unsigned int partstart, partend;
+ unsigned int pnum;
+
+ pnum = sscanf(partvar, "0x%x,0x%x", &partstart, &partend);
+ if (pnum != 2)
+ return 1;
+
+ part->offset = partstart & AC49X_FLASH_ADDRMASK;
+ part->size = partend - partstart;
+
+ return 0;
+}
+
+int detect_parttype(struct mtd_info *master, struct mtd_partition part)
+{
+ unsigned int magic;
+ size_t len;
+
+ if (part.size < 4)
+ return -1;
+
+ mtd_read(master, part.offset, sizeof(magic), &len,
+ (uint8_t *)&magic);
+
+ if (len != sizeof(magic))
+ return -1;
+
+ switch (magic) {
+ case AC49X_LOADER_MAGIC:
+ return AC49X_PARTTYPE_LOADER;
+ case AC49X_LINUX_MAGIC:
+ return AC49X_PARTTYPE_LINUX;
+ case SQUASHFS_MAGIC:
+ case CRAMFS_MAGIC:
+ case CRAMFS_MAGIC_WEND:
+ return AC49X_PARTTYPE_ROOTFS;
+ case AC49X_BOOTENV_MAGIC:
+ return AC49X_PARTTYPE_BOOTENV;
+ default:
+ switch (magic & 0xFF) {
+ case JFFS2_SUPER_MAGIC:
+ return AC49X_PARTTYPE_ROOTFS;
+ }
+ switch (magic >> 8) {
+ case JFFS2_SUPER_MAGIC:
+ return AC49X_PARTTYPE_ROOTFS;
+ }
+ return AC49X_PARTTYPE_UNKNOWN;
+ }
+}
+
+const char *partnames[] = {
+ "loader",
+ "config",
+ "linux",
+ "rootfs",
+ "data"
+};
+
+void gen_partname(unsigned int type,
+ unsigned int *typenumeration,
+ struct mtd_partition *part)
+{
+ char *s = kzalloc(sizeof(char) * 8, GFP_KERNEL);
+
+ (typenumeration[type])++;
+ if (typenumeration[type] == 1)
+ sprintf(s, "%s", partnames[type]);
+ else
+ sprintf(s, "%s%d", partnames[type], typenumeration[type]);
+
+ part->name = s;
+}
+
+static int create_mtd_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data)
+{
+ unsigned int envpartnum = 0, linuxpartnum = 0;
+ unsigned int typenumeration[5] = { 0, 0, 0, 0, 0 };
+ unsigned char evn[5];
+ const unsigned char *partvar = NULL;
+
+ struct mtd_partition *ac49x_parts;
+
+ ac49x_parts = kzalloc(sizeof(*ac49x_parts) * AC49X_MAXENVPARTS,
+ GFP_KERNEL);
+
+ if (!ac49x_parts)
+ return -ENOMEM;
+
+ linuxpartnum = 0;
+ for (envpartnum = 0; envpartnum < AC49X_MAXENVPARTS; envpartnum++) {
+ struct mtd_partition parsepart;
+ unsigned int offset, size, type;
+ int err;
+ sprintf(evn, "mtd%d", envpartnum);
+ partvar = prom_getenv(evn);
+ if (!partvar)
+ continue;
+ err = parse_partvar(partvar, &parsepart);
+ if (err)
+ continue;
+ offset = parsepart.offset;
+ size = parsepart.size;
+ type = detect_parttype(master, parsepart);
+ gen_partname(type, typenumeration, &parsepart);
+ /* protect loader */
+ if (type == AC49X_PARTTYPE_LOADER)
+ parsepart.mask_flags = MTD_WRITEABLE;
+ else
+ parsepart.mask_flags = 0;
+
+ memcpy(&(ac49x_parts[linuxpartnum]), &parsepart,
+ sizeof(struct mtd_partition));
+
+ /* scan for contained rootfs */
+ if (type == AC49X_PARTTYPE_LINUX) {
+ parsepart.offset += ROOTFS_MIN_OFFSET &
+ ~(master->erasesize - 1);
+ parsepart.size -= ROOTFS_MIN_OFFSET &
+ ~(master->erasesize - 1);
+ do {
+ unsigned int size, offset;
+ size = parsepart.size;
+ offset = parsepart.offset;
+
+ type = detect_parttype(master, parsepart);
+ if (type == AC49X_PARTTYPE_ROOTFS) {
+ gen_partname(type, typenumeration,
+ &parsepart);
+ printk(KERN_INFO
+ "%s %s: 0x%08x@0x%08x\n",
+ "detected sub-partition",
+ parsepart.name,
+ (unsigned int)parsepart.size,
+ (unsigned int)parsepart.offset);
+ linuxpartnum++;
+ memcpy(&(ac49x_parts[linuxpartnum]),
+ &parsepart,
+ sizeof(struct mtd_partition));
+ break;
+ }
+ parsepart.offset += master->erasesize;
+ parsepart.size -= master->erasesize;
+ } while (parsepart.size >= master->erasesize);
+ }
+ linuxpartnum++;
+ }
+
+ *pparts = ac49x_parts;
+ return linuxpartnum;
+}
+
+static struct mtd_part_parser ac49x_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = create_mtd_partitions,
+ .name = "ac49xpart",
+};
+
+static int __init ac49x_parser_init(void)
+{
+ return register_mtd_parser(&ac49x_parser);
+}
+
+module_init(ac49x_parser_init);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Daniel Golle <daniel.golle@gmail.com>");
+MODULE_DESCRIPTION("MTD partitioning for AudioCodes AC49x");
diff --git a/target/linux/ar7/files-3.3/drivers/mtd/titanpart.c b/target/linux/ar7/files-3.3/drivers/mtd/titanpart.c
new file mode 100644
index 0000000..74f8251
--- /dev/null
+++ b/target/linux/ar7/files-3.3/drivers/mtd/titanpart.c
@@ -0,0 +1,234 @@
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/bootmem.h>
+#include <linux/magic.h>
+#include <asm/mach-ar7/prom.h>
+
+#define IMAGE_A_SIZE 0X3c0000
+#define WRTP_PARTS 14
+#define NSP_IMG_MAGIC_NUMBER le32_to_cpu(0x4D544443)
+#define NSP_IMG_SECTION_TYPE_KERNEL (0x01)
+#define NSP_IMG_SECTION_TYPE_FILESYSTEM_ROOT (0x02)
+#define NSP_IMG_SECTION_TYPE_FILESYSTEM (0x03)
+#define MAX_NUM_PARTITIONS 14
+
+static int part_count=0;
+static struct mtd_partition titan_parts[WRTP_PARTS];
+
+
+struct nsp_img_hdr_head
+{
+ unsigned int magic; /* Magic number to identify this image header */
+ unsigned int boot_offset; /* Offset from start of header to kernel code. */
+ unsigned int flags; /* Image flags. */
+ unsigned int hdr_version; /* Version of this header. */
+ unsigned int hdr_size; /* The complete size of all portions of the header */
+ unsigned int prod_id; /* This product id */
+ unsigned int rel_id; /* Which release this is */
+ unsigned int version; /* name-MMM.nnn.ooo-rxx => 0xMMnnooxx. See comment
+ below */
+ unsigned int image_size; /* Image size (including header) */
+ unsigned int info_offset; /* Offset from start of header to info block */
+ unsigned int sect_info_offset; /* Offset from start of header to section desc */
+ unsigned int chksum_offset; /* Offset from start of header to chksum block */
+ unsigned int pad1;
+};
+
+struct nsp_img_hdr_section_info
+{
+ unsigned int num_sects; /* Number of section (and section desc blocks) in this image */
+ unsigned int sect_size; /* Size of a SINGLE section_desc block */
+ unsigned int sections_offset; /* Offset to from start of header to the start of the section blocks */
+};
+
+/* There will be one of more of the following stuctures in the image header. Each
+ section will have one of these blocks. */
+struct nsp_img_hdr_sections
+{
+ unsigned int offset; /* Offset of section from start of NSP_IMG_HDR_HEAD */
+ unsigned int total_size; /* Size of section (including pad size.) */
+ unsigned int raw_size; /* Size of section only */
+ unsigned int flags; /* Section flags */
+ unsigned int chksum; /* Section checksum */
+ unsigned int type; /* Section type. What kind of info does this section describe */
+ char name[16]; /* Reference name for this section. */
+};
+
+
+
+
+
+static int titan_parse_env_address(char *env_name, unsigned int *flash_base,
+ unsigned int *flash_end)
+{
+ char image_name[30];
+ char *env_ptr;
+ char *base_ptr;
+ char *end_ptr;
+ char * string_ptr;
+ /* Get the image variable */
+ env_ptr = prom_getenv(env_name);
+ if(!env_ptr){
+ printk("titan: invalid env name, %s.\n", env_name);
+ return -1; /* Error, no image variable */
+ }
+ strncpy(image_name, env_ptr, 30);
+ image_name[29]=0;
+ string_ptr = image_name;
+ /* Extract the start and stop addresses of the partition */
+ base_ptr = strsep(&string_ptr, ",");
+ end_ptr = strsep(&string_ptr, ",");
+ if ((base_ptr == NULL) || (end_ptr == NULL)) {
+ printk("titan: Couldn't tokenize %s start,end.\n", image_name);
+ return -1;
+ }
+
+ *flash_base = (unsigned int) simple_strtol(base_ptr, NULL, 0);
+ *flash_end = (unsigned int) simple_strtol(end_ptr, NULL, 0);
+ if((!*flash_base) || (!*flash_end)) {
+ printk("titan: Unable to convert :%s: :%s: into start,end values.\n",
+ env_name, image_name);
+ return -1;
+ }
+ *flash_base &= 0x0fffffff;
+ *flash_end &= 0x0fffffff;
+ return 0;
+}
+
+
+
+static int titan_get_single_image(char *bootcfg_name, unsigned int *flash_base,
+ unsigned int *flash_end)
+{
+ char *env_ptr;
+ char *base_ptr;
+ char *end_ptr;
+ char image_name[30];
+ char * string_ptr;
+
+ if(!bootcfg_name || !flash_base || !flash_end)
+ return -1;
+
+ env_ptr = prom_getenv(bootcfg_name);
+ if(!env_ptr){
+ printk("titan: %s variable not found.\n", bootcfg_name);
+ return -1; /* Error, no bootcfg variable */
+ }
+
+ string_ptr = image_name;
+ /* Save off the image name */
+ strncpy(image_name, env_ptr, 30);
+ image_name[29]=0;
+
+ end_ptr=strsep(&string_ptr, "\"");
+ base_ptr=strsep(&string_ptr, "\""); /* Loose the last " */
+ if(!end_ptr || !base_ptr){
+ printk("titan: invalid bootcfg format, %s.\n", image_name);
+ return -1; /* Error, invalid bootcfg variable */
+ }
+
+ /* Now, parse the addresses */
+ return titan_parse_env_address(base_ptr, flash_base, flash_end);
+}
+
+
+
+static void titan_add_partition(char * env_name, unsigned int flash_base, unsigned int flash_end)
+{
+ titan_parts[part_count].name = env_name;
+ titan_parts[part_count].offset = flash_base;
+ titan_parts[part_count].size = flash_end-flash_base;
+ titan_parts[part_count].mask_flags = (strcmp(env_name, "bootloader")==0||
+ strcmp(env_name, "boot_env")==0 ||
+ strcmp(env_name, "full_image")==0 )?MTD_WRITEABLE:0;
+ part_count++;
+
+}
+int create_titan_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ unsigned long origin)
+{
+ struct nsp_img_hdr_head hdr;
+ struct nsp_img_hdr_section_info sect_info;
+ struct nsp_img_hdr_sections section;
+ unsigned int flash_base, flash_end;
+ unsigned int start, end;
+ char *name;
+ int i;
+ int total_sects=0;
+ size_t len;
+
+ /* Get the bootcfg env variable first */
+ if(titan_get_single_image("BOOTCFG", &flash_base, &flash_end)) {
+ /* Error, fallback */
+ return -1;
+ }
+
+ /* Get access to the header, and do some validation checks */
+ //hdr=(struct nsp_img_hdr_head*)flash_base;
+ master->read(master, flash_base, sizeof(struct nsp_img_hdr_head), &len, (uint8_t *)&hdr);
+ if(hdr.magic != NSP_IMG_MAGIC_NUMBER)
+ return -1; /* Not a single image */
+
+ master->read(master, flash_base + hdr.sect_info_offset, sizeof(struct nsp_img_hdr_section_info), &len, (uint8_t *)§_info);
+
+ /* Look for the root fs, and add it first. This way we KNOW where the rootfs is */
+ for(i=0; i< sect_info.num_sects && i<MAX_NUM_PARTITIONS; i++){
+ master->read(master, flash_base + sect_info.sections_offset + (i * sect_info.sect_size) , sizeof(struct nsp_img_hdr_sections), &len, (uint8_t *)§ion);
+ /* Add only the root partition */
+ if(section.type != NSP_IMG_SECTION_TYPE_FILESYSTEM_ROOT){
+ continue;
+ }
+ start=flash_base + section.offset;
+ end=start + section.total_size;
+ titan_add_partition("root", start, end);
+ total_sects++;
+
+ }
+
+ for(i=0; i< sect_info.num_sects && i<MAX_NUM_PARTITIONS; i++){
+
+ master->read(master, flash_base + sect_info.sections_offset + (i * sect_info.sect_size) , sizeof(struct nsp_img_hdr_sections), &len, (uint8_t *)§ion);
+
+ name=section.name;
+ if(section.type == NSP_IMG_SECTION_TYPE_FILESYSTEM_ROOT)
+ {
+ name = "rootfs";
+ start=flash_base + section.offset;
+ end=flash_end;
+ titan_add_partition(name, start, end);
+ total_sects++;
+ }
+ else if(section.type == NSP_IMG_SECTION_TYPE_KERNEL)
+ {
+ name = "kernel";
+ start=flash_base + section.offset;
+ end=start + section.total_size;
+ titan_add_partition(name, start, end);
+ total_sects++;
+ }
+
+ }
+
+ /* Next, lets add the single image */
+ titan_add_partition("primary_image", flash_base, flash_end);
+ total_sects++;
+
+
+ titan_add_partition("full_image", 0, master->size);
+ total_sects++;
+
+ if (!titan_parse_env_address("BOOTLOADER", &start, &end)){
+ titan_add_partition("bootloader", start, end);
+ total_sects++;
+ }
+ if (!titan_parse_env_address("boot_env", &start, &end)){
+ titan_add_partition("boot_env", start, end);
+ total_sects++;
+ }
+ *pparts = titan_parts;
+ return total_sects;
+}
--
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