From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VPRqQ-0000AE-Eo for barebox@lists.infradead.org; Fri, 27 Sep 2013 06:48:24 +0000 From: Sascha Hauer Date: Fri, 27 Sep 2013 08:47:40 +0200 Message-Id: <1380264462-27614-10-git-send-email-s.hauer@pengutronix.de> In-Reply-To: <1380264462-27614-1-git-send-email-s.hauer@pengutronix.de> References: <1380264462-27614-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 09/11] scripts: Move omap4_usbboot to its own directory To: barebox@lists.infradead.org Signed-off-by: Sascha Hauer --- scripts/.gitignore | 1 - scripts/Makefile | 5 +- scripts/omap4_usbboot.c | 430 ---------------------------------- scripts/omap4_usbboot/.gitignore | 1 + scripts/omap4_usbboot/Makefile | 5 + scripts/omap4_usbboot/omap4_usbboot.c | 430 ++++++++++++++++++++++++++++++++++ scripts/omap4_usbboot/usb.h | 61 +++++ scripts/omap4_usbboot/usb_linux.c | 397 +++++++++++++++++++++++++++++++ scripts/usb.h | 61 ----- scripts/usb_linux.c | 397 ------------------------------- 10 files changed, 895 insertions(+), 893 deletions(-) delete mode 100644 scripts/omap4_usbboot.c create mode 100644 scripts/omap4_usbboot/.gitignore create mode 100644 scripts/omap4_usbboot/Makefile create mode 100644 scripts/omap4_usbboot/omap4_usbboot.c create mode 100644 scripts/omap4_usbboot/usb.h create mode 100644 scripts/omap4_usbboot/usb_linux.c delete mode 100644 scripts/usb.h delete mode 100644 scripts/usb_linux.c diff --git a/scripts/.gitignore b/scripts/.gitignore index 6518c0f..53f46d9 100644 --- a/scripts/.gitignore +++ b/scripts/.gitignore @@ -8,5 +8,4 @@ mk-am35xx-spi-image mkimage mkublheader omap_signGP -omap4_usbboot zynq_mkimage diff --git a/scripts/Makefile b/scripts/Makefile index adc786e..63ace75 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -16,16 +16,13 @@ hostprogs-$(CONFIG_ARCH_DAVINCI) += mkublheader hostprogs-$(CONFIG_ARCH_ZYNQ) += zynq_mkimage subdir-y += mod +subdir-$(CONFIG_OMAP4_USBBOOT) += omap4_usbboot subdir-$(CONFIG_ARCH_IMX) += imx subdir-$(CONFIG_X86) += setupmbr subdir-$(CONFIG_DTC) += dtc targetprogs-y += bareboxenv-target -HOSTLOADLIBES_omap4_usbboot = -lpthread -omap4_usbboot-objs := usb_linux.o omap4_usbboot.o -hostprogs-$(CONFIG_OMAP4_USBBOOT)+= omap4_usbboot - # Let clean descend into subdirs subdir- += basic kconfig setupmbr diff --git a/scripts/omap4_usbboot.c b/scripts/omap4_usbboot.c deleted file mode 100644 index e521086..0000000 --- a/scripts/omap4_usbboot.c +++ /dev/null @@ -1,430 +0,0 @@ -/* - * 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. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "usb.h" - -#define USBBOOT_FS_MAGIC 0x5562464D -#define USBBOOT_FS_CMD_OPEN 0x46530000 -#define USBBOOT_FS_CMD_CLOSE 0x46530001 -#define USBBOOT_FS_CMD_READ 0x46530002 -#define USBBOOT_FS_CMD_END 0x4653FFFF -#define MAX_OPEN_FILES 128 - -#define RESET 0 -#define BRIGHT 1 -#define WHITE 8 -#define RED 1 -#define BLACK 0 -#define FORMAT "%c[%d;%d;%dm" -#define TARGET_FORMAT 0x1B, BRIGHT, RED+30, BLACK+40 -#define HOST_FORMAT 0x1B, RESET, WHITE+30, BLACK+40 -#define host_print(fmt, arg...) printf(FORMAT fmt FORMAT, \ - HOST_FORMAT, ##arg, TARGET_FORMAT) - -void panic(struct termios *t_restore) -{ - tcsetattr(STDIN_FILENO, TCSANOW, t_restore); - printf(FORMAT, HOST_FORMAT); - exit(1); -} - -struct thread_vars { - struct usb_handle *usb; - pthread_mutex_t usb_mutex; - struct termios t_restore; -}; - -void *listenerTask(void *argument) -{ - struct thread_vars *vars = argument; - int c; - for (;;) { - c = getchar(); - if (c == EOF) - return NULL; - pthread_mutex_lock(&vars->usb_mutex); - if (usb_write(vars->usb, &c, 4) != 4) { - host_print("could not send '%c' to target\n", c); - panic(&vars->t_restore); - } - pthread_mutex_unlock(&vars->usb_mutex); - } - return NULL; -} - -int read_asic_id(struct usb_handle *usb) -{ -#define LINEWIDTH 16 - const uint32_t msg_getid = 0xF0030003; - int i, j, k, ret; - uint8_t id[81]; - char line[LINEWIDTH*3+5]; - - printf("reading ASIC ID\n"); - memset(id , 0xee, sizeof(id)); - if (usb_write(usb, &msg_getid, sizeof(msg_getid)) != - sizeof(msg_getid) - ) { - printf("Could not send msg_getid request\n"); - return -1; - } - if (usb_read(usb, id, sizeof(id)) != sizeof(id)) { - printf("Could not read msg_getid answer\n"); - return -1; - } - for (i = 0; i < sizeof(id); i += LINEWIDTH) { - sprintf(line, "%02X: ", i); - for (j = 0; j < LINEWIDTH && j < sizeof(id)-i; j++) - sprintf(line+4+j*3, "%02X ", id[i+j]); - line[4+j*3] = 0; - puts(line); - } - ret = 0; - for (i = 1, j = 0; i < sizeof(id) && j < id[0]; i += 2+id[i+1], j++) { - if (i+2+id[i+1] > sizeof(id)) { - printf("Truncated subblock\n"); - ret++; - continue; - } - switch (id[i]) { - case 0x01: /* ID subblock */ - if (id[i+1] != 0x05) { - printf("Unexpected ID subblock size\n"); - ret++; - continue; - } - if (id[i+2] != 0x01) - printf("Unexpected fixed value\n"); - k = (id[i+3]<<8) | id[i+4]; - switch (k) { - case 0x4440: - printf("OMAP 4460 Device\n"); - break; - default: - printf("Unknown Device\n"); - break; - } - switch (id[i+5]) { - case 0x07: - printf("CH enabled (read from eFuse)\n"); - break; - case 0x17: - printf("CH disabled (read from eFuse)\n"); - break; - default: - printf("Unknown CH setting\n"); - break; - } - printf("Rom version: %hhu\n", id[i+6]); - break; - case 0x15: /* Checksum subblock */ - if (id[i+1] != 0x09) { - printf("Unexpected Checksum subblock size\n"); - ret++; - continue; - } - if (id[i+2] != 0x01) - printf("Unexpected fixed value\n"); - k = (id[i+3]<<24) | (id[i+4]<<16) | - (id[i+5]<<8) | id[i+6]; - printf("Rom CRC: 0x%08X\n", k); - k = (id[i+7]<<24) | (id[i+8]<<16) | - (id[i+9]<<8) | id[i+10]; - switch (k) { - case 0: - printf("A GP device\n"); - break; - default: - printf("Unknown device\n"); - break; - } - break; - } - } - if (i != sizeof(id) || j != id[0]) { - printf("Unexpected ASIC ID structure size.\n"); - ret++; - } - return ret; -} - -struct file_data { - size_t size; - void *data; -}; - -int process_file(struct usb_handle *usb, const char *rootfs, - struct file_data *fd_vector, struct termios *t_restore) -{ - uint32_t i, j, pos, size; - struct stat s; - int fd, ret; - char fname[256]; - - if (usb_read(usb, &i, 4) != 4) { - host_print("USB error\n"); - panic(t_restore); - } - ret = 0; - switch (i) { - case USBBOOT_FS_CMD_OPEN: - for (j = 0; rootfs[j]; j++) - fname[j] = rootfs[j]; - for (;; j++) { - if (usb_read(usb, &i, 4) != 4) { - host_print("USB error\n"); - panic(t_restore); - } - if (i == USBBOOT_FS_CMD_END) { - fname[j] = 0; - break; - } else if (i > 0xFF) { - host_print("Error in filename\n"); - ret++; - fname[j] = 0; - break; - } else - fname[j] = i; - } - for (i = 0; i < MAX_OPEN_FILES && fd_vector[i].data; i++) - ; - if (i >= MAX_OPEN_FILES) { - host_print("MAX_OPEN_FILES exceeded\n"); - ret++; - goto open_error_1; - } - fd = open(fname, O_RDONLY); - if (fd < 0) { - host_print("cannot open '%s'\n", fname); - ret++; - goto open_error_1; - } - if (fstat(fd, &s)) { - host_print("cannot stat '%s'\n", fname); - ret++; - goto open_error_2; - } - fd_vector[i].data = mmap(NULL, s.st_size, PROT_READ, - MAP_PRIVATE, fd, 0); - if (fd_vector[i].data == MAP_FAILED) { - host_print("cannot mmap '%s'\n", fname); - ret++; - goto open_error_2; - } - close(fd); - fd_vector[i].size = size = s.st_size; - fd = i; - goto open_ok; - -open_error_2: - close(fd); -open_error_1: - fd_vector[i].size = size = 0; - fd_vector[i].data = NULL; - fd = -1; -open_ok: - if (usb_write(usb, &fd, 4) != 4 || - usb_write(usb, &size, 4) != 4 - ) { - host_print("could not send file size to target\n"); - panic(t_restore); - } - break; - case USBBOOT_FS_CMD_CLOSE: - if (usb_read(usb, &i, 4) != 4) { - host_print("USB error\n"); - panic(t_restore); - } - if (i >= MAX_OPEN_FILES || !fd_vector[i].data) { - host_print("invalid close index\n"); - ret++; - break; - } - if (usb_read(usb, &j, 4) != 4) { - host_print("USB error\n"); - panic(t_restore); - } - if (j != USBBOOT_FS_CMD_END) { - host_print("invalid close\n"); - ret++; - break; - } - munmap(fd_vector[i].data, fd_vector[i].size); - fd_vector[i].data = NULL; - break; - case USBBOOT_FS_CMD_READ: - if (usb_read(usb, &i, 4) != 4) { - host_print("USB error\n"); - panic(t_restore); - } - if (i >= MAX_OPEN_FILES || !fd_vector[i].data) { - host_print("invalid read index\n"); - ret++; - break; - } - if (usb_read(usb, &pos, 4) != 4) { - host_print("USB error\n"); - panic(t_restore); - } - if (pos >= fd_vector[i].size) { - host_print("invalid read pos\n"); - ret++; - break; - } - if (usb_read(usb, &size, 4) != 4) { - host_print("USB error\n"); - panic(t_restore); - } - if (pos+size > fd_vector[i].size) { - host_print("invalid read size\n"); - ret++; - break; - } - if (usb_read(usb, &j, 4) != 4) { - host_print("USB error\n"); - panic(t_restore); - } - if (j != USBBOOT_FS_CMD_END) { - host_print("invalid read\n"); - ret++; - break; - } - if (usb_write(usb, fd_vector[i].data+pos, size) != size) { - host_print("could not send file to target\n"); - panic(t_restore); - } - break; - case USBBOOT_FS_CMD_END: - default: - host_print("Unknown filesystem command\n"); - ret++; - break; - } - return ret; -} - -int usb_boot( - struct usb_handle *usb, void *data, unsigned sz, const char *rootfs) -{ - const uint32_t msg_boot = 0xF0030002; - uint32_t msg_size = sz; - int i; - pthread_t thread; - struct thread_vars vars; - struct termios tn; - struct file_data fd_vector[MAX_OPEN_FILES]; - - if (read_asic_id(usb)) - return -1; - - printf("sending xload to target...\n"); - usleep(1000); - usb_write(usb, &msg_boot, sizeof(msg_boot)); - usleep(1000); - usb_write(usb, &msg_size, sizeof(msg_size)); - usleep(1000); - usb_write(usb, data, sz); - usleep(100000); - munmap(data, msg_size); - for (i = 0; i < MAX_OPEN_FILES; i++) - fd_vector[i].data = NULL; - - vars.usb = usb; - pthread_mutex_init(&vars.usb_mutex, NULL); - tcgetattr(STDIN_FILENO, &vars.t_restore); - tn = vars.t_restore; - tn.c_lflag &= ~(ICANON | ECHO); - printf(FORMAT, TARGET_FORMAT); - tcsetattr(STDIN_FILENO, TCSANOW, &tn); - if (pthread_create(&thread, NULL, listenerTask, &vars)) - host_print("listenerTask failed\n"); - for (;;) { - usleep(100); - if (usb_read(usb, &i, 4) != 4) - break; - if (i == USBBOOT_FS_MAGIC) { - usleep(100); - pthread_mutex_lock(&vars.usb_mutex); - process_file(usb, rootfs, fd_vector, &vars.t_restore); - pthread_mutex_unlock(&vars.usb_mutex); - continue; - } - printf("%c", i); - fflush(stdout); - } - usb_close(usb); - pthread_mutex_destroy(&vars.usb_mutex); - tcsetattr(STDIN_FILENO, TCSANOW, &vars.t_restore); - printf(FORMAT, HOST_FORMAT); - return 0; -} - -int match_omap4_bootloader(struct usb_ifc_info *ifc) -{ - if (ifc->dev_vendor != 0x0451) - return -1; - if ((ifc->dev_product != 0xD010) && (ifc->dev_product != 0xD00F)) - return -1; - return 0; -} - -int main(int argc, char **argv) -{ - void *data; - unsigned sz; - struct stat s; - int fd; - struct usb_handle *usb; - int once; - - if (argc != 3) { - printf("usage: %s \n", argv[0]); - return 0; - } - argv++; - fd = open(argv[0], O_RDONLY); - if (fd < 0 || fstat(fd, &s)) { - printf("cannot open '%s'\n", argv[0]); - return -1; - } - data = mmap(NULL, s.st_size, PROT_READ, MAP_PRIVATE, fd, 0); - if (data == MAP_FAILED) { - printf("cannot mmap '%s'\n", argv[0]); - return -1; - } - sz = s.st_size; - close(fd); - argv++; - printf(FORMAT, HOST_FORMAT); - for (once = 1;;) { - usb = usb_open(match_omap4_bootloader); - if (usb) - return usb_boot(usb, data, sz, argv[0]); - if (once) { - once = 0; - printf("waiting for OMAP44xx device...\n"); - } - usleep(250000); - } - return -1; -} diff --git a/scripts/omap4_usbboot/.gitignore b/scripts/omap4_usbboot/.gitignore new file mode 100644 index 0000000..1975a21 --- /dev/null +++ b/scripts/omap4_usbboot/.gitignore @@ -0,0 +1 @@ +omap4_usbboot diff --git a/scripts/omap4_usbboot/Makefile b/scripts/omap4_usbboot/Makefile new file mode 100644 index 0000000..af6444b --- /dev/null +++ b/scripts/omap4_usbboot/Makefile @@ -0,0 +1,5 @@ +HOSTLOADLIBES_omap4_usbboot = -lpthread +omap4_usbboot-objs := usb_linux.o omap4_usbboot.o +hostprogs-$(CONFIG_OMAP4_USBBOOT) += omap4_usbboot + +always := $(hostprogs-y) diff --git a/scripts/omap4_usbboot/omap4_usbboot.c b/scripts/omap4_usbboot/omap4_usbboot.c new file mode 100644 index 0000000..e521086 --- /dev/null +++ b/scripts/omap4_usbboot/omap4_usbboot.c @@ -0,0 +1,430 @@ +/* + * 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. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "usb.h" + +#define USBBOOT_FS_MAGIC 0x5562464D +#define USBBOOT_FS_CMD_OPEN 0x46530000 +#define USBBOOT_FS_CMD_CLOSE 0x46530001 +#define USBBOOT_FS_CMD_READ 0x46530002 +#define USBBOOT_FS_CMD_END 0x4653FFFF +#define MAX_OPEN_FILES 128 + +#define RESET 0 +#define BRIGHT 1 +#define WHITE 8 +#define RED 1 +#define BLACK 0 +#define FORMAT "%c[%d;%d;%dm" +#define TARGET_FORMAT 0x1B, BRIGHT, RED+30, BLACK+40 +#define HOST_FORMAT 0x1B, RESET, WHITE+30, BLACK+40 +#define host_print(fmt, arg...) printf(FORMAT fmt FORMAT, \ + HOST_FORMAT, ##arg, TARGET_FORMAT) + +void panic(struct termios *t_restore) +{ + tcsetattr(STDIN_FILENO, TCSANOW, t_restore); + printf(FORMAT, HOST_FORMAT); + exit(1); +} + +struct thread_vars { + struct usb_handle *usb; + pthread_mutex_t usb_mutex; + struct termios t_restore; +}; + +void *listenerTask(void *argument) +{ + struct thread_vars *vars = argument; + int c; + for (;;) { + c = getchar(); + if (c == EOF) + return NULL; + pthread_mutex_lock(&vars->usb_mutex); + if (usb_write(vars->usb, &c, 4) != 4) { + host_print("could not send '%c' to target\n", c); + panic(&vars->t_restore); + } + pthread_mutex_unlock(&vars->usb_mutex); + } + return NULL; +} + +int read_asic_id(struct usb_handle *usb) +{ +#define LINEWIDTH 16 + const uint32_t msg_getid = 0xF0030003; + int i, j, k, ret; + uint8_t id[81]; + char line[LINEWIDTH*3+5]; + + printf("reading ASIC ID\n"); + memset(id , 0xee, sizeof(id)); + if (usb_write(usb, &msg_getid, sizeof(msg_getid)) != + sizeof(msg_getid) + ) { + printf("Could not send msg_getid request\n"); + return -1; + } + if (usb_read(usb, id, sizeof(id)) != sizeof(id)) { + printf("Could not read msg_getid answer\n"); + return -1; + } + for (i = 0; i < sizeof(id); i += LINEWIDTH) { + sprintf(line, "%02X: ", i); + for (j = 0; j < LINEWIDTH && j < sizeof(id)-i; j++) + sprintf(line+4+j*3, "%02X ", id[i+j]); + line[4+j*3] = 0; + puts(line); + } + ret = 0; + for (i = 1, j = 0; i < sizeof(id) && j < id[0]; i += 2+id[i+1], j++) { + if (i+2+id[i+1] > sizeof(id)) { + printf("Truncated subblock\n"); + ret++; + continue; + } + switch (id[i]) { + case 0x01: /* ID subblock */ + if (id[i+1] != 0x05) { + printf("Unexpected ID subblock size\n"); + ret++; + continue; + } + if (id[i+2] != 0x01) + printf("Unexpected fixed value\n"); + k = (id[i+3]<<8) | id[i+4]; + switch (k) { + case 0x4440: + printf("OMAP 4460 Device\n"); + break; + default: + printf("Unknown Device\n"); + break; + } + switch (id[i+5]) { + case 0x07: + printf("CH enabled (read from eFuse)\n"); + break; + case 0x17: + printf("CH disabled (read from eFuse)\n"); + break; + default: + printf("Unknown CH setting\n"); + break; + } + printf("Rom version: %hhu\n", id[i+6]); + break; + case 0x15: /* Checksum subblock */ + if (id[i+1] != 0x09) { + printf("Unexpected Checksum subblock size\n"); + ret++; + continue; + } + if (id[i+2] != 0x01) + printf("Unexpected fixed value\n"); + k = (id[i+3]<<24) | (id[i+4]<<16) | + (id[i+5]<<8) | id[i+6]; + printf("Rom CRC: 0x%08X\n", k); + k = (id[i+7]<<24) | (id[i+8]<<16) | + (id[i+9]<<8) | id[i+10]; + switch (k) { + case 0: + printf("A GP device\n"); + break; + default: + printf("Unknown device\n"); + break; + } + break; + } + } + if (i != sizeof(id) || j != id[0]) { + printf("Unexpected ASIC ID structure size.\n"); + ret++; + } + return ret; +} + +struct file_data { + size_t size; + void *data; +}; + +int process_file(struct usb_handle *usb, const char *rootfs, + struct file_data *fd_vector, struct termios *t_restore) +{ + uint32_t i, j, pos, size; + struct stat s; + int fd, ret; + char fname[256]; + + if (usb_read(usb, &i, 4) != 4) { + host_print("USB error\n"); + panic(t_restore); + } + ret = 0; + switch (i) { + case USBBOOT_FS_CMD_OPEN: + for (j = 0; rootfs[j]; j++) + fname[j] = rootfs[j]; + for (;; j++) { + if (usb_read(usb, &i, 4) != 4) { + host_print("USB error\n"); + panic(t_restore); + } + if (i == USBBOOT_FS_CMD_END) { + fname[j] = 0; + break; + } else if (i > 0xFF) { + host_print("Error in filename\n"); + ret++; + fname[j] = 0; + break; + } else + fname[j] = i; + } + for (i = 0; i < MAX_OPEN_FILES && fd_vector[i].data; i++) + ; + if (i >= MAX_OPEN_FILES) { + host_print("MAX_OPEN_FILES exceeded\n"); + ret++; + goto open_error_1; + } + fd = open(fname, O_RDONLY); + if (fd < 0) { + host_print("cannot open '%s'\n", fname); + ret++; + goto open_error_1; + } + if (fstat(fd, &s)) { + host_print("cannot stat '%s'\n", fname); + ret++; + goto open_error_2; + } + fd_vector[i].data = mmap(NULL, s.st_size, PROT_READ, + MAP_PRIVATE, fd, 0); + if (fd_vector[i].data == MAP_FAILED) { + host_print("cannot mmap '%s'\n", fname); + ret++; + goto open_error_2; + } + close(fd); + fd_vector[i].size = size = s.st_size; + fd = i; + goto open_ok; + +open_error_2: + close(fd); +open_error_1: + fd_vector[i].size = size = 0; + fd_vector[i].data = NULL; + fd = -1; +open_ok: + if (usb_write(usb, &fd, 4) != 4 || + usb_write(usb, &size, 4) != 4 + ) { + host_print("could not send file size to target\n"); + panic(t_restore); + } + break; + case USBBOOT_FS_CMD_CLOSE: + if (usb_read(usb, &i, 4) != 4) { + host_print("USB error\n"); + panic(t_restore); + } + if (i >= MAX_OPEN_FILES || !fd_vector[i].data) { + host_print("invalid close index\n"); + ret++; + break; + } + if (usb_read(usb, &j, 4) != 4) { + host_print("USB error\n"); + panic(t_restore); + } + if (j != USBBOOT_FS_CMD_END) { + host_print("invalid close\n"); + ret++; + break; + } + munmap(fd_vector[i].data, fd_vector[i].size); + fd_vector[i].data = NULL; + break; + case USBBOOT_FS_CMD_READ: + if (usb_read(usb, &i, 4) != 4) { + host_print("USB error\n"); + panic(t_restore); + } + if (i >= MAX_OPEN_FILES || !fd_vector[i].data) { + host_print("invalid read index\n"); + ret++; + break; + } + if (usb_read(usb, &pos, 4) != 4) { + host_print("USB error\n"); + panic(t_restore); + } + if (pos >= fd_vector[i].size) { + host_print("invalid read pos\n"); + ret++; + break; + } + if (usb_read(usb, &size, 4) != 4) { + host_print("USB error\n"); + panic(t_restore); + } + if (pos+size > fd_vector[i].size) { + host_print("invalid read size\n"); + ret++; + break; + } + if (usb_read(usb, &j, 4) != 4) { + host_print("USB error\n"); + panic(t_restore); + } + if (j != USBBOOT_FS_CMD_END) { + host_print("invalid read\n"); + ret++; + break; + } + if (usb_write(usb, fd_vector[i].data+pos, size) != size) { + host_print("could not send file to target\n"); + panic(t_restore); + } + break; + case USBBOOT_FS_CMD_END: + default: + host_print("Unknown filesystem command\n"); + ret++; + break; + } + return ret; +} + +int usb_boot( + struct usb_handle *usb, void *data, unsigned sz, const char *rootfs) +{ + const uint32_t msg_boot = 0xF0030002; + uint32_t msg_size = sz; + int i; + pthread_t thread; + struct thread_vars vars; + struct termios tn; + struct file_data fd_vector[MAX_OPEN_FILES]; + + if (read_asic_id(usb)) + return -1; + + printf("sending xload to target...\n"); + usleep(1000); + usb_write(usb, &msg_boot, sizeof(msg_boot)); + usleep(1000); + usb_write(usb, &msg_size, sizeof(msg_size)); + usleep(1000); + usb_write(usb, data, sz); + usleep(100000); + munmap(data, msg_size); + for (i = 0; i < MAX_OPEN_FILES; i++) + fd_vector[i].data = NULL; + + vars.usb = usb; + pthread_mutex_init(&vars.usb_mutex, NULL); + tcgetattr(STDIN_FILENO, &vars.t_restore); + tn = vars.t_restore; + tn.c_lflag &= ~(ICANON | ECHO); + printf(FORMAT, TARGET_FORMAT); + tcsetattr(STDIN_FILENO, TCSANOW, &tn); + if (pthread_create(&thread, NULL, listenerTask, &vars)) + host_print("listenerTask failed\n"); + for (;;) { + usleep(100); + if (usb_read(usb, &i, 4) != 4) + break; + if (i == USBBOOT_FS_MAGIC) { + usleep(100); + pthread_mutex_lock(&vars.usb_mutex); + process_file(usb, rootfs, fd_vector, &vars.t_restore); + pthread_mutex_unlock(&vars.usb_mutex); + continue; + } + printf("%c", i); + fflush(stdout); + } + usb_close(usb); + pthread_mutex_destroy(&vars.usb_mutex); + tcsetattr(STDIN_FILENO, TCSANOW, &vars.t_restore); + printf(FORMAT, HOST_FORMAT); + return 0; +} + +int match_omap4_bootloader(struct usb_ifc_info *ifc) +{ + if (ifc->dev_vendor != 0x0451) + return -1; + if ((ifc->dev_product != 0xD010) && (ifc->dev_product != 0xD00F)) + return -1; + return 0; +} + +int main(int argc, char **argv) +{ + void *data; + unsigned sz; + struct stat s; + int fd; + struct usb_handle *usb; + int once; + + if (argc != 3) { + printf("usage: %s \n", argv[0]); + return 0; + } + argv++; + fd = open(argv[0], O_RDONLY); + if (fd < 0 || fstat(fd, &s)) { + printf("cannot open '%s'\n", argv[0]); + return -1; + } + data = mmap(NULL, s.st_size, PROT_READ, MAP_PRIVATE, fd, 0); + if (data == MAP_FAILED) { + printf("cannot mmap '%s'\n", argv[0]); + return -1; + } + sz = s.st_size; + close(fd); + argv++; + printf(FORMAT, HOST_FORMAT); + for (once = 1;;) { + usb = usb_open(match_omap4_bootloader); + if (usb) + return usb_boot(usb, data, sz, argv[0]); + if (once) { + once = 0; + printf("waiting for OMAP44xx device...\n"); + } + usleep(250000); + } + return -1; +} diff --git a/scripts/omap4_usbboot/usb.h b/scripts/omap4_usbboot/usb.h new file mode 100644 index 0000000..d50aa6a --- /dev/null +++ b/scripts/omap4_usbboot/usb.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "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 + * COPYRIGHT OWNER OR CONTRIBUTORS 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. + */ + +#ifndef _USB_H_ +#define _USB_H_ + +struct usb_ifc_info { + /* from device descriptor */ + unsigned short dev_vendor; + unsigned short dev_product; + + unsigned char dev_class; + unsigned char dev_subclass; + unsigned char dev_protocol; + + unsigned char ifc_class; + unsigned char ifc_subclass; + unsigned char ifc_protocol; + + unsigned char has_bulk_in; + unsigned char has_bulk_out; + + unsigned char writable; + + char serial_number[256]; +}; + +typedef int (*ifc_match_func)(struct usb_ifc_info *ifc); + +struct usb_handle *usb_open(ifc_match_func callback); +int usb_close(struct usb_handle *h); +int usb_read(struct usb_handle *h, void *_data, int len); +int usb_write(struct usb_handle *h, const void *_data, int len); + + +#endif diff --git a/scripts/omap4_usbboot/usb_linux.c b/scripts/omap4_usbboot/usb_linux.c new file mode 100644 index 0000000..9a6e0b8 --- /dev/null +++ b/scripts/omap4_usbboot/usb_linux.c @@ -0,0 +1,397 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "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 + * COPYRIGHT OWNER OR CONTRIBUTORS 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. + */ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "usb.h" + +#define MAX_RETRIES 2 + +#ifdef TRACE_USB +#define DBG1(x...) fprintf(stderr, x) +#define DBG(x...) fprintf(stderr, x) +#else +#define DBG(x...) +#define DBG1(x...) +#endif + +struct usb_handle { + char fname[64]; + int desc; + unsigned char ep_in; + unsigned char ep_out; +}; + +static inline int badname(const char *name) +{ + while (*name) { + if (!isdigit(*name++)) + return 1; + } + return 0; +} + +static int check(void *_desc, int len, unsigned type, int size) +{ + unsigned char *desc = _desc; + + if (len < size) + return -1; + if (desc[0] < size) + return -1; + if (desc[0] > len) + return -1; + if (desc[1] != type) + return -1; + + return 0; +} + +static int filter_usb_device(int fd, char *ptr, int len, int writable, + ifc_match_func callback, int *ept_in_id, int *ept_out_id, int *ifc_id) +{ + struct usb_device_descriptor *dev; + struct usb_config_descriptor *cfg; + struct usb_interface_descriptor *ifc; + struct usb_endpoint_descriptor *ept; + struct usb_ifc_info info; + + int in, out; + unsigned i; + unsigned e; + + if (check(ptr, len, USB_DT_DEVICE, USB_DT_DEVICE_SIZE)) + return -1; + dev = (void *) ptr; + len -= dev->bLength; + ptr += dev->bLength; + + if (check(ptr, len, USB_DT_CONFIG, USB_DT_CONFIG_SIZE)) + return -1; + cfg = (void *) ptr; + len -= cfg->bLength; + ptr += cfg->bLength; + + info.dev_vendor = dev->idVendor; + info.dev_product = dev->idProduct; + info.dev_class = dev->bDeviceClass; + info.dev_subclass = dev->bDeviceSubClass; + info.dev_protocol = dev->bDeviceProtocol; + info.writable = writable; + + /* read device serial number (if there is one) */ + info.serial_number[0] = 0; + if (dev->iSerialNumber) { + struct usbdevfs_ctrltransfer ctrl; + __u16 buffer[128]; + int result; + + memset(buffer, 0, sizeof(buffer)); + + ctrl.bRequestType = USB_DIR_IN| + USB_TYPE_STANDARD|USB_RECIP_DEVICE; + ctrl.bRequest = USB_REQ_GET_DESCRIPTOR; + ctrl.wValue = (USB_DT_STRING << 8) | dev->iSerialNumber; + ctrl.wIndex = 0; + ctrl.wLength = sizeof(buffer); + ctrl.data = buffer; + ctrl.timeout = 50; + + result = ioctl(fd, USBDEVFS_CONTROL, &ctrl); + if (result > 0) { + int i; + /* skip first word, and copy the rest to the serial + string, changing shorts to bytes. */ + result /= 2; + for (i = 1; i < result; i++) + info.serial_number[i - 1] = buffer[i]; + info.serial_number[i - 1] = 0; + } + } + + for (i = 0; i < cfg->bNumInterfaces; i++) { + if (check(ptr, len, USB_DT_INTERFACE, USB_DT_INTERFACE_SIZE)) + return -1; + ifc = (void *) ptr; + len -= ifc->bLength; + ptr += ifc->bLength; + + in = -1; + out = -1; + info.ifc_class = ifc->bInterfaceClass; + info.ifc_subclass = ifc->bInterfaceSubClass; + info.ifc_protocol = ifc->bInterfaceProtocol; + + for (e = 0; e < ifc->bNumEndpoints; e++) { + if (check(ptr, len, USB_DT_ENDPOINT, + USB_DT_ENDPOINT_SIZE) + ) + return -1; + ept = (void *) ptr; + len -= ept->bLength; + ptr += ept->bLength; + + if ((ept->bmAttributes & 0x03) != 0x02) + continue; + + if (ept->bEndpointAddress & 0x80) + in = ept->bEndpointAddress; + else + out = ept->bEndpointAddress; + } + + info.has_bulk_in = (in != -1); + info.has_bulk_out = (out != -1); + + if (callback(&info) == 0) { + *ept_in_id = in; + *ept_out_id = out; + *ifc_id = ifc->bInterfaceNumber; + return 0; + } + } + + return -1; +} + +static struct usb_handle *find_usb_device( + const char *base, ifc_match_func callback) +{ + struct usb_handle *usb = 0; + char busname[64], devname[64]; + char desc[1024]; + int n, in, out, ifc; + + DIR *busdir, *devdir; + struct dirent *de; + int fd; + int writable; + + busdir = opendir(base); + if (busdir == 0) + return 0; + + while ((de = readdir(busdir)) && (usb == 0)) { + if (badname(de->d_name)) + continue; + + sprintf(busname, "%s/%s", base, de->d_name); + devdir = opendir(busname); + if (devdir == 0) + continue; + + /* DBG("[ scanning %s ]\n", busname); */ + while ((de = readdir(devdir)) && (usb == 0)) { + + if (badname(de->d_name)) + continue; + sprintf(devname, "%s/%s", busname, de->d_name); + + /* DBG("[ scanning %s ]\n", devname); */ + writable = 1; + fd = open(devname, O_RDWR); + if (fd < 0) { + /* Check if we have read-only access, + so we can give a helpful diagnostic + like "adb devices" does. */ + writable = 0; + fd = open(devname, O_RDONLY); + if (fd < 0) + continue; + } + + n = read(fd, desc, sizeof(desc)); + + if (filter_usb_device(fd, desc, n, writable, + callback, &in, &out, &ifc) == 0 + ) { + usb = calloc(1, sizeof(struct usb_handle)); + strcpy(usb->fname, devname); + usb->ep_in = in; + usb->ep_out = out; + usb->desc = fd; + + n = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &ifc); + if (n != 0) { + close(fd); + free(usb); + usb = 0; + continue; + } + } else + close(fd); + } + closedir(devdir); + } + closedir(busdir); + + return usb; +} + +int usb_write(struct usb_handle *h, const void *_data, int len) +{ + unsigned char *data = (unsigned char *) _data; + unsigned count = 0; + struct usbdevfs_bulktransfer bulk; + int n; + + if (h->ep_out == 0) + return -1; + + if (len == 0) { + bulk.ep = h->ep_out; + bulk.len = 0; + bulk.data = data; + bulk.timeout = 0; + + n = ioctl(h->desc, USBDEVFS_BULK, &bulk); + if (n != 0) { + fprintf(stderr, "ERROR: n = %d, errno = %d (%s)\n", + n, errno, strerror(errno)); + return -1; + } + return 0; + } + + while (len > 0) { + int xfer; + xfer = (len > 4096) ? 4096 : len; + + bulk.ep = h->ep_out; + bulk.len = xfer; + bulk.data = data; + bulk.timeout = 0; + + n = ioctl(h->desc, USBDEVFS_BULK, &bulk); + if (n != xfer) { + DBG("ERROR: n = %d, errno = %d (%s)\n", + n, errno, strerror(errno)); + return -1; + } + + count += xfer; + len -= xfer; + data += xfer; + } + + return count; +} + +int usb_read(struct usb_handle *h, void *_data, int len) +{ + unsigned char *data = (unsigned char *) _data; + unsigned count = 0; + struct usbdevfs_bulktransfer bulk; + int n, retry; + + if (h->ep_in == 0) + return -1; + + while (len > 0) { + int xfer = (len > 4096) ? 4096 : len; + + bulk.ep = h->ep_in; + bulk.len = xfer; + bulk.data = data; + bulk.timeout = 0; + retry = 0; + + do { + DBG("[ usb read %d fd = %d], fname=%s\n", + xfer, h->desc, h->fname); + n = ioctl(h->desc, USBDEVFS_BULK, &bulk); + DBG("[ usb read %d ] = %d, fname=%s, Retry %d\n", + xfer, n, h->fname, retry); + + if (n < 0) { + DBG1("ERROR: n = %d, errno = %d (%s)\n", + n, errno, strerror(errno)); + if (++retry > MAX_RETRIES) + return -1; + usleep(10000); + } + } while (n < 0); + + count += n; + len -= n; + data += n; + + if (n < xfer) + break; + } + + return count; +} + +void usb_kick(struct usb_handle *h) +{ + int fd; + + fd = h->desc; + h->desc = -1; + if (fd >= 0) { + close(fd); + DBG("[ usb closed %d ]\n", fd); + } +} + +int usb_close(struct usb_handle *h) +{ + int fd; + + fd = h->desc; + h->desc = -1; + if (fd >= 0) { + close(fd); + DBG("[ usb closed %d ]\n", fd); + } + + return 0; +} + +struct usb_handle *usb_open(ifc_match_func callback) +{ + return find_usb_device("/dev/bus/usb", callback); +} diff --git a/scripts/usb.h b/scripts/usb.h deleted file mode 100644 index d50aa6a..0000000 --- a/scripts/usb.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 - * COPYRIGHT OWNER OR CONTRIBUTORS 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. - */ - -#ifndef _USB_H_ -#define _USB_H_ - -struct usb_ifc_info { - /* from device descriptor */ - unsigned short dev_vendor; - unsigned short dev_product; - - unsigned char dev_class; - unsigned char dev_subclass; - unsigned char dev_protocol; - - unsigned char ifc_class; - unsigned char ifc_subclass; - unsigned char ifc_protocol; - - unsigned char has_bulk_in; - unsigned char has_bulk_out; - - unsigned char writable; - - char serial_number[256]; -}; - -typedef int (*ifc_match_func)(struct usb_ifc_info *ifc); - -struct usb_handle *usb_open(ifc_match_func callback); -int usb_close(struct usb_handle *h); -int usb_read(struct usb_handle *h, void *_data, int len); -int usb_write(struct usb_handle *h, const void *_data, int len); - - -#endif diff --git a/scripts/usb_linux.c b/scripts/usb_linux.c deleted file mode 100644 index 9a6e0b8..0000000 --- a/scripts/usb_linux.c +++ /dev/null @@ -1,397 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 - * COPYRIGHT OWNER OR CONTRIBUTORS 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. - */ - -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#include "usb.h" - -#define MAX_RETRIES 2 - -#ifdef TRACE_USB -#define DBG1(x...) fprintf(stderr, x) -#define DBG(x...) fprintf(stderr, x) -#else -#define DBG(x...) -#define DBG1(x...) -#endif - -struct usb_handle { - char fname[64]; - int desc; - unsigned char ep_in; - unsigned char ep_out; -}; - -static inline int badname(const char *name) -{ - while (*name) { - if (!isdigit(*name++)) - return 1; - } - return 0; -} - -static int check(void *_desc, int len, unsigned type, int size) -{ - unsigned char *desc = _desc; - - if (len < size) - return -1; - if (desc[0] < size) - return -1; - if (desc[0] > len) - return -1; - if (desc[1] != type) - return -1; - - return 0; -} - -static int filter_usb_device(int fd, char *ptr, int len, int writable, - ifc_match_func callback, int *ept_in_id, int *ept_out_id, int *ifc_id) -{ - struct usb_device_descriptor *dev; - struct usb_config_descriptor *cfg; - struct usb_interface_descriptor *ifc; - struct usb_endpoint_descriptor *ept; - struct usb_ifc_info info; - - int in, out; - unsigned i; - unsigned e; - - if (check(ptr, len, USB_DT_DEVICE, USB_DT_DEVICE_SIZE)) - return -1; - dev = (void *) ptr; - len -= dev->bLength; - ptr += dev->bLength; - - if (check(ptr, len, USB_DT_CONFIG, USB_DT_CONFIG_SIZE)) - return -1; - cfg = (void *) ptr; - len -= cfg->bLength; - ptr += cfg->bLength; - - info.dev_vendor = dev->idVendor; - info.dev_product = dev->idProduct; - info.dev_class = dev->bDeviceClass; - info.dev_subclass = dev->bDeviceSubClass; - info.dev_protocol = dev->bDeviceProtocol; - info.writable = writable; - - /* read device serial number (if there is one) */ - info.serial_number[0] = 0; - if (dev->iSerialNumber) { - struct usbdevfs_ctrltransfer ctrl; - __u16 buffer[128]; - int result; - - memset(buffer, 0, sizeof(buffer)); - - ctrl.bRequestType = USB_DIR_IN| - USB_TYPE_STANDARD|USB_RECIP_DEVICE; - ctrl.bRequest = USB_REQ_GET_DESCRIPTOR; - ctrl.wValue = (USB_DT_STRING << 8) | dev->iSerialNumber; - ctrl.wIndex = 0; - ctrl.wLength = sizeof(buffer); - ctrl.data = buffer; - ctrl.timeout = 50; - - result = ioctl(fd, USBDEVFS_CONTROL, &ctrl); - if (result > 0) { - int i; - /* skip first word, and copy the rest to the serial - string, changing shorts to bytes. */ - result /= 2; - for (i = 1; i < result; i++) - info.serial_number[i - 1] = buffer[i]; - info.serial_number[i - 1] = 0; - } - } - - for (i = 0; i < cfg->bNumInterfaces; i++) { - if (check(ptr, len, USB_DT_INTERFACE, USB_DT_INTERFACE_SIZE)) - return -1; - ifc = (void *) ptr; - len -= ifc->bLength; - ptr += ifc->bLength; - - in = -1; - out = -1; - info.ifc_class = ifc->bInterfaceClass; - info.ifc_subclass = ifc->bInterfaceSubClass; - info.ifc_protocol = ifc->bInterfaceProtocol; - - for (e = 0; e < ifc->bNumEndpoints; e++) { - if (check(ptr, len, USB_DT_ENDPOINT, - USB_DT_ENDPOINT_SIZE) - ) - return -1; - ept = (void *) ptr; - len -= ept->bLength; - ptr += ept->bLength; - - if ((ept->bmAttributes & 0x03) != 0x02) - continue; - - if (ept->bEndpointAddress & 0x80) - in = ept->bEndpointAddress; - else - out = ept->bEndpointAddress; - } - - info.has_bulk_in = (in != -1); - info.has_bulk_out = (out != -1); - - if (callback(&info) == 0) { - *ept_in_id = in; - *ept_out_id = out; - *ifc_id = ifc->bInterfaceNumber; - return 0; - } - } - - return -1; -} - -static struct usb_handle *find_usb_device( - const char *base, ifc_match_func callback) -{ - struct usb_handle *usb = 0; - char busname[64], devname[64]; - char desc[1024]; - int n, in, out, ifc; - - DIR *busdir, *devdir; - struct dirent *de; - int fd; - int writable; - - busdir = opendir(base); - if (busdir == 0) - return 0; - - while ((de = readdir(busdir)) && (usb == 0)) { - if (badname(de->d_name)) - continue; - - sprintf(busname, "%s/%s", base, de->d_name); - devdir = opendir(busname); - if (devdir == 0) - continue; - - /* DBG("[ scanning %s ]\n", busname); */ - while ((de = readdir(devdir)) && (usb == 0)) { - - if (badname(de->d_name)) - continue; - sprintf(devname, "%s/%s", busname, de->d_name); - - /* DBG("[ scanning %s ]\n", devname); */ - writable = 1; - fd = open(devname, O_RDWR); - if (fd < 0) { - /* Check if we have read-only access, - so we can give a helpful diagnostic - like "adb devices" does. */ - writable = 0; - fd = open(devname, O_RDONLY); - if (fd < 0) - continue; - } - - n = read(fd, desc, sizeof(desc)); - - if (filter_usb_device(fd, desc, n, writable, - callback, &in, &out, &ifc) == 0 - ) { - usb = calloc(1, sizeof(struct usb_handle)); - strcpy(usb->fname, devname); - usb->ep_in = in; - usb->ep_out = out; - usb->desc = fd; - - n = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &ifc); - if (n != 0) { - close(fd); - free(usb); - usb = 0; - continue; - } - } else - close(fd); - } - closedir(devdir); - } - closedir(busdir); - - return usb; -} - -int usb_write(struct usb_handle *h, const void *_data, int len) -{ - unsigned char *data = (unsigned char *) _data; - unsigned count = 0; - struct usbdevfs_bulktransfer bulk; - int n; - - if (h->ep_out == 0) - return -1; - - if (len == 0) { - bulk.ep = h->ep_out; - bulk.len = 0; - bulk.data = data; - bulk.timeout = 0; - - n = ioctl(h->desc, USBDEVFS_BULK, &bulk); - if (n != 0) { - fprintf(stderr, "ERROR: n = %d, errno = %d (%s)\n", - n, errno, strerror(errno)); - return -1; - } - return 0; - } - - while (len > 0) { - int xfer; - xfer = (len > 4096) ? 4096 : len; - - bulk.ep = h->ep_out; - bulk.len = xfer; - bulk.data = data; - bulk.timeout = 0; - - n = ioctl(h->desc, USBDEVFS_BULK, &bulk); - if (n != xfer) { - DBG("ERROR: n = %d, errno = %d (%s)\n", - n, errno, strerror(errno)); - return -1; - } - - count += xfer; - len -= xfer; - data += xfer; - } - - return count; -} - -int usb_read(struct usb_handle *h, void *_data, int len) -{ - unsigned char *data = (unsigned char *) _data; - unsigned count = 0; - struct usbdevfs_bulktransfer bulk; - int n, retry; - - if (h->ep_in == 0) - return -1; - - while (len > 0) { - int xfer = (len > 4096) ? 4096 : len; - - bulk.ep = h->ep_in; - bulk.len = xfer; - bulk.data = data; - bulk.timeout = 0; - retry = 0; - - do { - DBG("[ usb read %d fd = %d], fname=%s\n", - xfer, h->desc, h->fname); - n = ioctl(h->desc, USBDEVFS_BULK, &bulk); - DBG("[ usb read %d ] = %d, fname=%s, Retry %d\n", - xfer, n, h->fname, retry); - - if (n < 0) { - DBG1("ERROR: n = %d, errno = %d (%s)\n", - n, errno, strerror(errno)); - if (++retry > MAX_RETRIES) - return -1; - usleep(10000); - } - } while (n < 0); - - count += n; - len -= n; - data += n; - - if (n < xfer) - break; - } - - return count; -} - -void usb_kick(struct usb_handle *h) -{ - int fd; - - fd = h->desc; - h->desc = -1; - if (fd >= 0) { - close(fd); - DBG("[ usb closed %d ]\n", fd); - } -} - -int usb_close(struct usb_handle *h) -{ - int fd; - - fd = h->desc; - h->desc = -1; - if (fd >= 0) { - close(fd); - DBG("[ usb closed %d ]\n", fd); - } - - return 0; -} - -struct usb_handle *usb_open(ifc_match_func callback) -{ - return find_usb_device("/dev/bus/usb", callback); -} -- 1.8.4.rc3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox