Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
arch/arm/mach-imx/imx-bbu-internal.c | 54 ++++++++++++++++++++++++++++++++++
arch/arm/mach-imx/include/mach/bbu.h | 22 ++++++++++++++
2 files changed, 76 insertions(+)
diff --git a/arch/arm/mach-imx/imx-bbu-internal.c b/arch/arm/mach-imx/imx-bbu-internal.c
index 029bd5b..f36081c 100644
--- a/arch/arm/mach-imx/imx-bbu-internal.c
+++ b/arch/arm/mach-imx/imx-bbu-internal.c
@@ -36,6 +36,7 @@
#define IMX_INTERNAL_FLAG_NAND (1 << 0)
#define IMX_INTERNAL_FLAG_KEEP_DOSPART (1 << 1)
+#define IMX_INTERNAL_FLAG_ERASE (1 << 2)
struct imx_internal_bbu_handler {
struct bbu_handler handler;
@@ -60,6 +61,17 @@ static int imx_bbu_write_device(struct imx_internal_bbu_handler *imx_handler,
if (fd < 0)
return fd;
+ if (imx_handler->flags & IMX_INTERNAL_FLAG_ERASE) {
+ debug("%s: eraseing %s from 0 to 0x%08x\n", __func__,
+ data->devicefile, image_len);
+ ret = erase(fd, image_len, 0);
+ if (ret) {
+ printf("erasing %s failed with %s\n", data->devicefile,
+ strerror(-ret));
+ goto err_close;
+ }
+ }
+
if (imx_handler->flags & IMX_INTERNAL_FLAG_KEEP_DOSPART) {
void *mbr = xzalloc(512);
@@ -522,6 +534,32 @@ int imx53_bbu_internal_mmc_register_handler(const char *name, char *devicefile,
}
/*
+ * Register a i.MX53 internal boot update handler for i2c/spi
+ * EEPROMs / flashes. Nearly the same as MMC/SD, but we do not need to
+ * keep a partition table. We have to erase the device beforehand though.
+ */
+int imx53_bbu_internal_spi_i2c_register_handler(const char *name, char *devicefile,
+ unsigned long flags, struct imx_dcd_v2_entry *dcd, int dcdsize,
+ unsigned long app_dest)
+{
+ struct imx_internal_bbu_handler *imx_handler;
+
+ imx_handler = __init_handler(name, devicefile, flags);
+ imx53_bbu_internal_init_dcd(imx_handler, dcd, dcdsize);
+ imx_handler->flash_header_offset = FLASH_HEADER_OFFSET_MMC;
+
+ if (app_dest)
+ imx_handler->app_dest = app_dest;
+ else
+ imx_handler->app_dest = 0x70000000;
+
+ imx_handler->flags = IMX_INTERNAL_FLAG_ERASE;
+ imx_handler->handler.handler = imx_bbu_internal_v2_update;
+
+ return __register_handler(imx_handler);
+}
+
+/*
* Register a i.MX53 internal boot update handler for NAND
*/
int imx53_bbu_internal_nand_register_handler(const char *name,
@@ -555,3 +593,19 @@ int imx6_bbu_internal_mmc_register_handler(const char *name, char *devicefile,
return imx53_bbu_internal_mmc_register_handler(name, devicefile,
flags, dcd, dcdsize, app_dest);
}
+
+/*
+ * Register a i.MX53 internal boot update handler for i2c/spi
+ * EEPROMs / flashes. Nearly the same as MMC/SD, but we do not need to
+ * keep a partition table. We have to erase the device beforehand though.
+ */
+int imx6_bbu_internal_spi_i2c_register_handler(const char *name, char *devicefile,
+ unsigned long flags, struct imx_dcd_v2_entry *dcd, int dcdsize,
+ unsigned long app_dest)
+{
+ if (!app_dest)
+ app_dest = 0x10000000;
+
+ return imx53_bbu_internal_spi_i2c_register_handler(name, devicefile,
+ flags, dcd, dcdsize, app_dest);
+}
diff --git a/arch/arm/mach-imx/include/mach/bbu.h b/arch/arm/mach-imx/include/mach/bbu.h
index 249ed4a..37ebb57 100644
--- a/arch/arm/mach-imx/include/mach/bbu.h
+++ b/arch/arm/mach-imx/include/mach/bbu.h
@@ -14,6 +14,10 @@ int imx51_bbu_internal_mmc_register_handler(const char *name, char *devicefile,
int imx53_bbu_internal_mmc_register_handler(const char *name, char *devicefile,
unsigned long flags, struct imx_dcd_v2_entry *, int dcdsize);
+int imx53_bbu_internal_spi_i2c_register_handler(const char *name, char *devicefile,
+ unsigned long flags, struct imx_dcd_v2_entry *dcd, int dcdsize,
+ unsigned long app_dest);
+
int imx53_bbu_internal_nand_register_handler(const char *name,
unsigned long flags, struct imx_dcd_v2_entry *, int dcdsize,
int partition_size);
@@ -22,6 +26,10 @@ int imx6_bbu_internal_mmc_register_handler(const char *name, char *devicefile,
unsigned long flags, struct imx_dcd_v2_entry *, int dcdsize,
unsigned long app_dest);
+int imx6_bbu_internal_spi_i2c_register_handler(const char *name, char *devicefile,
+ unsigned long flags, struct imx_dcd_v2_entry *dcd, int dcdsize,
+ unsigned long app_dest);
+
#else
static inline int imx51_bbu_internal_mmc_register_handler(const char *name, char *devicefile,
@@ -36,6 +44,13 @@ static inline int imx53_bbu_internal_mmc_register_handler(const char *name, char
return -ENOSYS;
}
+static inline int imx53_bbu_internal_spi_i2c_register_handler(const char *name, char *devicefile,
+ unsigned long flags, struct imx_dcd_v2_entry *dcd, int dcdsize,
+ unsigned long app_dest)
+{
+ return -ENOSYS;
+}
+
static inline int imx53_bbu_internal_nand_register_handler(const char *name,
unsigned long flags, struct imx_dcd_v2_entry *dcd, int dcdsize,
int partition_size)
@@ -50,6 +65,13 @@ static inline int imx6_bbu_internal_mmc_register_handler(const char *name, char
return -ENOSYS;
}
+static inline int imx6_bbu_internal_spi_i2c_register_handler(const char *name, char *devicefile,
+ unsigned long flags, struct imx_dcd_v2_entry *dcd, int dcdsize,
+ unsigned long app_dest)
+{
+ return -ENOSYS;
+}
+
#endif
struct dcd_table {
--
1.7.10.4
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