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ARM: AM33xx: Add SPI bbu handler 

We already have an update handler for the MLO on SPI, add
a update handler for the regular barebox aswell.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2014-05-15 12:43:32 +02:00
parent 22b722902c
commit fb061bffe4
2 changed files with 62 additions and 0 deletions
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56
arch/arm/mach-omap/am33xx_bbu_spi_mlo.c
View File

@ -79,6 +79,41 @@ out:
return ret;
}
static int spi_nor_handler(struct bbu_handler *handler,
struct bbu_data *data)
{
int fd, ret;
if (file_detect_type(data->image, data->len) != filetype_arm_barebox) {
if (!bbu_force(data, "Not an ARM barebox image"))
return -EINVAL;
}
fd = open(data->devicefile, O_RDWR | O_CREAT);
if (fd < 0)
return fd;
debug("%s: eraseing %s from 0 to 0x%08x\n", __func__,
data->devicefile, data->len);
ret = erase(fd, data->len, 0);
if (ret) {
printf("erasing %s failed with %s\n", data->devicefile,
strerror(-ret));
goto err_close;
}
ret = write(fd, data->image, data->len);
if (ret < 0)
goto err_close;
ret = 0;
err_close:
close(fd);
return ret;
}
/*
* Register a am33xx MLO update handler for SPI NOR
*/
@ -99,3 +134,24 @@ int am33xx_bbu_spi_nor_mlo_register_handler(const char *name, char *devicefile)
return ret;
}
/*
* Register a am33xx update handler for SPI NOR
*/
int am33xx_bbu_spi_nor_register_handler(const char *name, char *devicefile)
{
struct bbu_handler *handler;
int ret;
handler = xzalloc(sizeof(*handler));
handler->devicefile = devicefile;
handler->name = name;
handler->handler = spi_nor_handler;
ret = bbu_register_handler(handler);
if (ret)
free(handler);
return ret;
}

6
arch/arm/mach-omap/include/mach/bbu.h
View File

@ -5,11 +5,17 @@
#ifdef CONFIG_BAREBOX_UPDATE_AM33XX_SPI_NOR_MLO
int am33xx_bbu_spi_nor_mlo_register_handler(const char *name, char *devicefile);
int am33xx_bbu_spi_nor_register_handler(const char *name, char *devicefile);
#else
static inline int am33xx_bbu_spi_nor_mlo_register_handler(const char *name, char *devicefile)
{
return 0;
}
static inline int am33xx_bbu_spi_nor_register_handler(const char *name, char *devicefile)
{
return 0;
}
#endif
#endif