[U-Boot] [PATCH v2 14/16] stm32mp1: board: add spi nand support

Patrick Delaunay
2019-09-30T13:38:30Z

This patch adds the support of the spi nand device in mtdparts command
and in dfu_alt_info.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---

Changes in v2: None

board/st/stm32mp1/stm32mp1.c | 32 +++++++++++++++++++++++++++++---
include/configs/stm32mp1.h | 10 ++++++++--
2 files changed, 37 insertions(+), 5 deletions(-)

diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 62855988e9..e4bdf05cd7 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -862,8 +862,9 @@ static void board_get_mtdparts(const char *dev,

void board_mtdparts_default(const char **mtdids, const char **mtdparts)
{
+ struct mtd_info *mtd;
struct udevice *dev;
- static char parts[2 * MTDPARTS_LEN + 1];
+ static char parts[3 * MTDPARTS_LEN + 1];
static char ids[MTDIDS_LEN + 1];
static bool mtd_initialized;

@@ -876,8 +877,24 @@ void board_mtdparts_default(const char **mtdids, const char **mtdparts)
memset(parts, 0, sizeof(parts));
memset(ids, 0, sizeof(ids));

- if (!uclass_get_device(UCLASS_MTD, 0, &dev))
+ /* probe all MTD devices */
+ for (uclass_first_device(UCLASS_MTD, &dev);
+ dev;
+ uclass_next_device(&dev)) {
+ pr_debug("mtd device = %s\n", dev->name);
+ }
+
+ mtd = get_mtd_device_nm("nand0");
+ if (!IS_ERR_OR_NULL(mtd)) {
board_get_mtdparts("nand0", ids, parts);
+ put_mtd_device(mtd);
+ }
+
+ mtd = get_mtd_device_nm("spi-nand0");
+ if (!IS_ERR_OR_NULL(mtd)) {
+ board_get_mtdparts("spi-nand0", ids, parts);
+ put_mtd_device(mtd);
+ }

if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev))
board_get_mtdparts("nor0", ids, parts);
@@ -927,6 +944,7 @@ static void board_get_alt_info(const char *dev, char *buff)
void set_dfu_alt_info(char *interface, char *devstr)
{
struct udevice *dev;
+ struct mtd_info *mtd;

ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);

@@ -935,6 +953,9 @@ void set_dfu_alt_info(char *interface, char *devstr)

memset(buf, 0, sizeof(buf));

+ /* probe all MTD devices */
+ mtd_probe_devices();
+
board_get_alt_info("ram", buf);

if (!uclass_get_device(UCLASS_MMC, 0, &dev))
@@ -946,9 +967,14 @@ void set_dfu_alt_info(char *interface, char *devstr)
if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev))
board_get_alt_info("nor0", buf);

- if (!uclass_get_device(UCLASS_MTD, 0, &dev))
+ mtd = get_mtd_device_nm("nand0");
+ if (!IS_ERR_OR_NULL(mtd))
board_get_alt_info("nand0", buf);

+ mtd = get_mtd_device_nm("spi-nand0");
+ if (!IS_ERR_OR_NULL(mtd))
+ board_get_alt_info("spi-nand0", buf);
+
env_set("dfu_alt_info", buf);
puts("DFU alt info setting: done\n");
}
diff --git a/include/configs/stm32mp1.h b/include/configs/stm32mp1.h
index 4f9024229e..145a644efa 100644
--- a/include/configs/stm32mp1.h
+++ b/include/configs/stm32mp1.h
@@ -124,12 +124,15 @@
/* with OPTEE: define specific MTD partitions = teeh, teed, teex */
#define STM32MP_MTDPARTS \
"mtdparts_nor0=256k(fsbl1),256k(fsbl2),2m(ssbl),256k(u-boot-env),256k(teeh),256k(teed),256k(teex),-(nor_user)\0" \
- "mtdparts_nand0=2m(fsbl),2m(ssbl1),2m(ssbl2),512k(teeh),512k(teed),512k(teex),-(UBI)\0"
+ "mtdparts_nand0=2m(fsbl),2m(ssbl1),2m(ssbl2),512k(teeh),512k(teed),512k(teex),-(UBI)\0" \
+ "mtdparts_spi-nand0=2m(fsbl),2m(ssbl1),2m(ssbl2),"\
+ "512k(teeh),512k(teed),512k(teex),-(UBI)\0"

#else /* CONFIG_STM32MP1_OPTEE */
#define STM32MP_MTDPARTS \
"mtdparts_nor0=256k(fsbl1),256k(fsbl2),2m(ssbl),256k(u-boot-env),-(nor_user)\0" \
- "mtdparts_nand0=2m(fsbl),2m(ssbl1),2m(ssbl2),-(UBI)\0"
+ "mtdparts_nand0=2m(fsbl),2m(ssbl1),2m(ssbl2),-(UBI)\0" \
+ "mtdparts_spi-nand0=2m(fsbl),2m(ssbl1),2m(ssbl2),-(UBI)\0"

#endif /* CONFIG_STM32MP1_OPTEE */

@@ -152,6 +155,9 @@
"dfu_alt_info_nand0=mtd nand0="\
"nand_fsbl part 1;nand_ssbl1 part 2;" \
"nand_ssbl2 part 3;nand_UBI partubi 4\0" \
+ "dfu_alt_info_spi-nand0=mtd spi-nand0="\
+ "spi-nand_fsbl part 1;spi-nand_ssbl1 part 2;" \
+ "spi-nand_ssbl2 part 3;spi-nand_UBI partubi 4\0" \
"dfu_alt_info_mmc0=mmc 0=" \
"sdcard_fsbl1 part 0 1;sdcard_fsbl2 part 0 2;" \
"sdcard_ssbl part 0 3;sdcard_bootfs part 0 4;" \
--
2.17.1