d60230bded
Convert users of ip_to_string() and print_IPaddr() to %pI4 and remove the now unused functions. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
368 lines
7 KiB
C
368 lines
7 KiB
C
#include <common.h>
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#include <bootsource.h>
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#include <partition.h>
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#include <nand.h>
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#include <init.h>
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#include <driver.h>
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#include <linux/mtd/mtd.h>
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#include <libfile.h>
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#include <fs.h>
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#include <fcntl.h>
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#include <linux/sizes.h>
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#include <malloc.h>
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#include <filetype.h>
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#include <xymodem.h>
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#include <mach/generic.h>
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#include <mach/am33xx-generic.h>
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#include <mach/omap3-generic.h>
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#include <net.h>
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#include <environment.h>
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#include <dhcp.h>
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struct omap_barebox_part *barebox_part;
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static struct omap_barebox_part default_part = {
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.nand_offset = SZ_128K,
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.nand_size = SZ_1M,
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.nand_bkup_offset = 0,
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.nand_bkup_size = 0,
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.nor_offset = SZ_128K,
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.nor_size = SZ_1M,
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};
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static void *read_image_head(const char *name)
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{
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void *header = xmalloc(ARM_HEAD_SIZE);
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struct cdev *cdev;
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int ret;
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cdev = cdev_open(name, O_RDONLY);
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if (!cdev) {
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printf("failed to open %s\n", name);
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return NULL;
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}
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ret = cdev_read(cdev, header, ARM_HEAD_SIZE, 0, 0);
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cdev_close(cdev);
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if (ret != ARM_HEAD_SIZE) {
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printf("failed to read from %s\n", name);
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return NULL;
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}
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return header;
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}
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static unsigned int get_image_size(void *head)
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{
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unsigned int ret = 0;
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unsigned int *psize = head + ARM_HEAD_SIZE_OFFSET;
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if (is_barebox_arm_head(head))
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ret = *psize;
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debug("Detected barebox image size %u\n", ret);
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return ret;
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}
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static void *read_mtd_barebox(const char *partition)
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{
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int ret;
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int size;
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void *to, *header;
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struct cdev *cdev;
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header = read_image_head(partition);
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if (header == NULL)
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return NULL;
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size = get_image_size(header);
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if (!size) {
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printf("failed to get image size\n");
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return NULL;
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}
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to = xmalloc(size);
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cdev = cdev_open(partition, O_RDONLY);
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if (!cdev) {
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printf("failed to open partition\n");
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return NULL;
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}
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ret = cdev_read(cdev, to, size, 0, 0);
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if (ret != size) {
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printf("failed to read from partition\n");
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return NULL;
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}
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return to;
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}
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static void *omap_xload_boot_nand(struct omap_barebox_part *part)
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{
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void *to;
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devfs_add_partition("nand0", part->nand_offset, part->nand_size,
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DEVFS_PARTITION_FIXED, "x");
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dev_add_bb_dev("x", "bbx");
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to = read_mtd_barebox("bbx");
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if (to == NULL && part->nand_bkup_size != 0) {
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printf("trying to load image from backup partition.\n");
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devfs_add_partition("nand0", part->nand_bkup_offset,
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part->nand_bkup_size,
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DEVFS_PARTITION_FIXED, "x_bkup");
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dev_add_bb_dev("x_bkup", "bbx_bkup");
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to = read_mtd_barebox("bbx_bkup");
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}
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return to;
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}
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static void *omap_xload_boot_mmc(void)
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{
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int ret;
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void *buf;
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int len;
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const char *diskdev;
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char *partname;
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diskdev = omap_get_bootmmc_devname();
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if (!diskdev)
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diskdev = "disk0";
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device_detect_by_name(diskdev);
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partname = basprintf("%s.0", diskdev);
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ret = mount(partname, NULL, "/", NULL);
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if (ret) {
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printf("Unable to mount %s (%d)\n", partname, ret);
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free(partname);
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return NULL;
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}
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free(partname);
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buf = read_file("/barebox.bin", &len);
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if (!buf)
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buf = read_file("/boot/barebox.bin", &len);
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if (!buf) {
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printf("could not read barebox.bin from sd card\n");
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return NULL;
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}
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return buf;
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}
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static void *omap_xload_boot_spi(struct omap_barebox_part *part)
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{
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devfs_add_partition("m25p0", part->nor_offset, part->nor_size,
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DEVFS_PARTITION_FIXED, "x");
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return read_mtd_barebox("x");
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}
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static void *omap4_xload_boot_usb(void){
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int ret;
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void *buf;
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int len;
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ret = mount("omap4_usbboot", "omap4_usbbootfs", "/", NULL);
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if (ret) {
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printf("Unable to mount omap4_usbbootfs (%d)\n", ret);
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return NULL;
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}
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buf = read_file("/barebox.bin", &len);
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if (!buf)
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printf("could not read barebox.bin from omap4_usbbootfs\n");
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return buf;
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}
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static void *omap_serial_boot(void){
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struct console_device *cdev;
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int ret;
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void *buf;
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int len;
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int fd;
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/* need temporary place to store file */
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ret = mount("none", "ramfs", "/", NULL);
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if (ret < 0) {
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printf("failed to mount ramfs\n");
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return NULL;
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}
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cdev = console_get_first_active();
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if (!cdev) {
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printf("failed to get console\n");
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return NULL;
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}
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fd = open("/barebox.bin", O_WRONLY | O_CREAT);
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if (fd < 0) {
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printf("could not create barebox.bin\n");
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return NULL;
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}
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ret = do_load_serial_xmodem(cdev, fd);
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if (ret < 0) {
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printf("loadx failed\n");
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return NULL;
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}
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buf = read_file("/barebox.bin", &len);
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if (!buf)
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printf("could not read barebox.bin from serial\n");
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return buf;
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}
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#define TFTP_MOUNT "/.tftp"
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static void *am33xx_net_boot(void)
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{
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void *buf = NULL;
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int err;
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int len;
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struct dhcp_req_param dhcp_param;
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const char *bootfile;
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IPaddr_t ip;
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char *file;
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char ip4_str[sizeof("255.255.255.255")];
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am33xx_register_ethaddr(0, 0);
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memset(&dhcp_param, 0, sizeof(struct dhcp_req_param));
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dhcp_param.vendor_id = "am335x barebox-mlo";
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err = dhcp(20, &dhcp_param);
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if (err) {
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printf("dhcp failed\n");
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return NULL;
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}
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/*
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* Older tftp server don't send the file size.
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* Then tftpfs needs temporary place to store the file.
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*/
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err = mount("none", "ramfs", "/", NULL);
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if (err < 0) {
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printf("failed to mount ramfs\n");
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return NULL;
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}
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err = make_directory(TFTP_MOUNT);
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if (err)
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return NULL;
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ip = net_get_serverip();
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sprintf(ip4_str, "%pI4", &ip);
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err = mount(ip4_str, "tftp", TFTP_MOUNT, NULL);
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if (err < 0) {
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printf("Unable to mount.\n");
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return NULL;
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}
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bootfile = getenv("bootfile");
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if (!bootfile) {
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printf("bootfile not found.\n");
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return NULL;
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}
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file = basprintf("%s/%s", TFTP_MOUNT, bootfile);
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buf = read_file(file, &len);
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if (!buf)
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printf("could not read %s.\n", bootfile);
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free(file);
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umount(TFTP_MOUNT);
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return buf;
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}
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/*
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* Replaces the default shell in xload configuration
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*/
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static __noreturn int omap_xload(void)
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{
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void *func;
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if (!barebox_part)
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barebox_part = &default_part;
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switch (bootsource_get())
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{
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case BOOTSOURCE_MMC:
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printf("booting from MMC\n");
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func = omap_xload_boot_mmc();
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break;
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case BOOTSOURCE_USB:
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if (IS_ENABLED(CONFIG_OMAP3_USBBOOT) && cpu_is_omap3()) {
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printf("booting from USB\n");
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func = omap3_xload_boot_usb();
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} else if (IS_ENABLED(CONFIG_FS_OMAP4_USBBOOT)) {
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printf("booting from USB\n");
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func = omap4_xload_boot_usb();
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} else {
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printf("booting from USB not enabled\n");
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func = NULL;
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}
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break;
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case BOOTSOURCE_NAND:
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printf("booting from NAND\n");
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func = omap_xload_boot_nand(barebox_part);
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break;
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case BOOTSOURCE_SPI:
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printf("booting from SPI\n");
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func = omap_xload_boot_spi(barebox_part);
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break;
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case BOOTSOURCE_SERIAL:
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if (IS_ENABLED(CONFIG_OMAP_SERIALBOOT)) {
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printf("booting from serial\n");
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func = omap_serial_boot();
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break;
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}
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case BOOTSOURCE_NET:
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if (IS_ENABLED(CONFIG_AM33XX_NET_BOOT)) {
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printf("booting from NET\n");
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func = am33xx_net_boot();
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break;
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} else {
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printf("booting from network not enabled\n");
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}
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default:
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printf("unknown boot source. Fall back to nand\n");
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func = omap_xload_boot_nand(barebox_part);
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break;
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}
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if (!func) {
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printf("booting failed\n");
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while (1);
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}
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omap_start_barebox(func);
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}
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int omap_set_barebox_part(struct omap_barebox_part *part)
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{
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barebox_part = part;
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return 0;
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}
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static int omap_set_xload(void)
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{
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barebox_main = omap_xload;
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return 0;
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}
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late_initcall(omap_set_xload);
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