On Sun, Sep 29, 2019 at 3:43 PM Jagan Teki jagan@amarulasolutions.com wrote:
HiFive Unleashed A00 has internal is25wp256 spi-nor flash,
What does "internal" mean? The flash is mounted "externally" to the FU540 SoC.
so enable the same. added test result log for future reference.
Tested on Sifive fuse540 board.
SiFive FU540
Signed-off-by: Jagan Teki jagan@amarulasolutions.com
.../dts/hifive-unleashed-a00-u-boot.dtsi | 1 + board/sifive/fu540/Kconfig | 3 +++ doc/board/sifive/fu540.rst | 19 +++++++++++++++++++ 3 files changed, 23 insertions(+)
diff --git a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi index 25ec8265a5..d7a64134db 100644 --- a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi +++ b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi @@ -5,6 +5,7 @@
/ { aliases {
spi0 = &qspi0; spi2 = &qspi2; };}; diff --git a/board/sifive/fu540/Kconfig b/board/sifive/fu540/Kconfig index 5d65080429..c5a1bca03c 100644 --- a/board/sifive/fu540/Kconfig +++ b/board/sifive/fu540/Kconfig @@ -26,6 +26,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy imply CMD_FS_GENERIC imply CMD_NET imply CMD_PING
imply CMD_SF imply CLK_SIFIVE imply CLK_SIFIVE_FU540_PRCI imply DOS_PARTITION@@ -40,6 +41,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy imply SIFIVE_SERIAL imply SPI imply SPI_SIFIVE
imply SPI_FLASHimply SPI_FLASH_ISSI imply MMC imply MMC_SPI imply MMC_BROKEN_CDdiff --git a/doc/board/sifive/fu540.rst b/doc/board/sifive/fu540.rst index 91b94ee06f..2e70cad02e 100644 --- a/doc/board/sifive/fu540.rst +++ b/doc/board/sifive/fu540.rst @@ -366,3 +366,22 @@ load uImage.
Please press Enter to activate this console. / #
+Sample spi nor flash test +-------------------------
+.. code-block:: none
- => sf probe 0:2
Why cs 2? The flash is definitely on cs 0.
You may find my patch series useful to solve this issue of the cs number. http://patchwork.ozlabs.org/project/uboot/list/?series=129736
- SF: Detected is25wp256 with page size 256 Bytes, erase size 4 KiB, total 32 MiB
- => sf erase 0x1000000 0x100000
- SF: 1048576 bytes @ 0x1000000 Erased: OK
- => mw.b 0xc0000000 0xaa 0x100000
- => sf write 0xc0000000 0x1000000 0x100000
- device 0 offset 0x1000000, size 0x100000
- SF: 1048576 bytes @ 0x1000000 Written: OK
- => sf read 0xf0000000 0x1000000 0x100000
- device 0 offset 0x1000000, size 0x100000
- SF: 1048576 bytes @ 0x1000000 Read: OK
- => cmp.b 0xf0000000 0xc0000000 0x100000
- Total of 1048576 byte(s) were the same
--
With the above fixed,
Reviewed-by: Bin Meng bmeng.cn@gmail.com Tested-by: Bin Meng bmeng.cn@gmail.com
Regards, Bin