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Cr50: Enable RW FW updates over USB

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This enables the Cr50 to accept RW firmware updates over USB.

BUG=chrome-os-partner:50707, chrome-os-partner:50712
BRANCH=none
TEST=make buildall; test on Cr50

Build and run the extra/usb_updater utility. Watch the console,
and observe that the Cr50 updates and reboots into the new image
correctly.

Note that you'll have to rebuild the ec.bin image in order for
the update to take effect. Just reflashing the same image doesn't
cause the bootloader to change its selection.

All the previously existing endpoints continue to function normally.

Change-Id: I7bd22eae803c2ceeb14a767c06d3d5c9f1ac7c7a
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/338089
Commit-Ready: Vadim Bendebury <vbendeb@chromium.org>
This commit is contained in:
Bill Richardson
2016-04-09 20:53:35 -07:00
committed by chrome-bot
parent a8d4c3f936
commit 66af587cbc
4 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
board/cr50/board.h
View File

@@ -85,7 +85,8 @@ enum usb_strings {
#define USB_IFACE_HID 1
#define USB_IFACE_AP 2
#define USB_IFACE_EC 3
#define USB_IFACE_COUNT 4
#define USB_IFACE_UPGRADE 4
#define USB_IFACE_COUNT 5
/* USB endpoint indexes (use define rather than enum to expand them) */
#define USB_EP_CONTROL 0
@@ -93,7 +94,8 @@ enum usb_strings {
#define USB_EP_HID 2
#define USB_EP_AP 3
#define USB_EP_EC 4
#define USB_EP_COUNT 5
#define USB_EP_UPGRADE 5
#define USB_EP_COUNT 6
/* UART indexes (use define rather than enum to expand them) */
#define UART_CR50 0
@@ -123,5 +125,6 @@ enum usb_strings {
/* Firmware upgrade options. */
#define CONFIG_NON_HC_FW_UPDATE
#define CONFIG_USB_FW_UPDATE
#endif /* __CROS_EC_BOARD_H */

2
board/cr50/ec.tasklist
View File

@@ -17,7 +17,7 @@
* 's' is the stack size in bytes; must be a multiple of 8
*/
#define CONFIG_TASK_LIST \
TASK_ALWAYS(HOOKS, hook_task, NULL, TASK_STACK_SIZE) \
TASK_ALWAYS(HOOKS, hook_task, NULL, LARGER_TASK_STACK_SIZE) \
TASK_NOTEST(TPM, tpm_task, NULL, 8192) \
TASK_NOTEST(HOSTCMD, host_command_task, NULL, TASK_STACK_SIZE) \
TASK_ALWAYS(CONSOLE, console_task, NULL, TASK_STACK_SIZE)

1
chip/g/build.mk
View File

@@ -40,6 +40,7 @@ chip-$(CONFIG_SPI_MASTER)+=spi_master.o
chip-y+= pmu.o
chip-y+= trng.o
chip-$(CONFIG_USB_FW_UPDATE)+= usb_upgrade.o
chip-$(CONFIG_NON_HC_FW_UPDATE)+= upgrade_fw.o
chip-$(CONFIG_SPS)+= sps.o
chip-$(CONFIG_TPM_SPS)+=sps_tpm.o

1
include/config.h
View File

@@ -2088,6 +2088,7 @@
/* Firmware upgrade options. */
/* Firmware updates using other than HC channel(s). */
#undef CONFIG_NON_HC_FW_UPDATE
#undef CONFIG_USB_FW_UPDATE
/*****************************************************************************/
/*