diff options
Diffstat (limited to 'package/boot/uboot-zynq/patches/020-v2018.09-arm-zynq-dts-add-spi-flash-node-to-zedboard.patch')
| -rw-r--r-- | package/boot/uboot-zynq/patches/020-v2018.09-arm-zynq-dts-add-spi-flash-node-to-zedboard.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/package/boot/uboot-zynq/patches/020-v2018.09-arm-zynq-dts-add-spi-flash-node-to-zedboard.patch b/package/boot/uboot-zynq/patches/020-v2018.09-arm-zynq-dts-add-spi-flash-node-to-zedboard.patch new file mode 100644 index 0000000000..71be68ad65 --- /dev/null +++ b/package/boot/uboot-zynq/patches/020-v2018.09-arm-zynq-dts-add-spi-flash-node-to-zedboard.patch @@ -0,0 +1,43 @@ +From a492fdffa3c86f6b8420b6433a2ce07271597324 Mon Sep 17 00:00:00 2001 +From: Luis Araneda <luaraneda@gmail.com> +Date: Fri, 27 Jul 2018 04:43:42 -0400 +Subject: [PATCH] arm: zynq: dts: add spi flash node to zedboard + +Add a flash node to fix the detection of the memory IC. +With the changes introduced with commit 8fee8845e754 +("enf_sf: reuse setup_flash_device instead of open coding it") +the SPI speed is now read from device-tree or a default value +is applied. This replaced the old behavior of setting the +SPI speed to CONFIG_ENV_SPI_MAX_HZ. + +As this board didn't have a flash node, the default value +was applied to the SPI speed, producing an error when probing +the flash memory (speed too slow). + +Signed-off-by: Luis Araneda <luaraneda@gmail.com> +Signed-off-by: Michal Simek <michal.simek@xilinx.com> +--- + arch/arm/dts/zynq-zed.dts | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/arch/arm/dts/zynq-zed.dts b/arch/arm/dts/zynq-zed.dts +index 24eccf1633..9c505fb7b8 100644 +--- a/arch/arm/dts/zynq-zed.dts ++++ b/arch/arm/dts/zynq-zed.dts +@@ -51,6 +51,13 @@ + &qspi { + u-boot,dm-pre-reloc; + status = "okay"; ++ num-cs = <1>; ++ flash@0 { ++ compatible = "spansion,s25fl256s", "spi-flash"; ++ reg = <0>; ++ spi-max-frequency = <30000000>; ++ m25p,fast-read; ++ }; + }; + + &sdhci0 { +-- +2.18.0 + |