Enable the RPC QSPI driver on R8A77970 V3M Eagle and configure
the environment layout to match that used by old U-Boot.

Signed-off-by: Marek Vasut <marek.vasut+rene...@gmail.com>
Cc: Nobuhiro Iwamatsu <iwama...@nigauri.org>
---
 arch/arm/dts/r8a77970-eagle.dts  | 20 ++++++++++++++++++++
 configs/r8a77970_eagle_defconfig |  9 +++++++++
 include/configs/eagle.h          |  6 ++++++
 3 files changed, 35 insertions(+)

diff --git a/arch/arm/dts/r8a77970-eagle.dts b/arch/arm/dts/r8a77970-eagle.dts
index cb76c89b57..c051cddb25 100644
--- a/arch/arm/dts/r8a77970-eagle.dts
+++ b/arch/arm/dts/r8a77970-eagle.dts
@@ -17,6 +17,7 @@
        aliases {
                serial0 = &scif0;
                ethernet0 = &avb;
+               spi0 = &rpc;
        };
 
        chosen {
@@ -59,6 +60,25 @@
        };
 };
 
+&rpc {
+       num-cs = <1>;
+       status = "okay";
+       spi-max-frequency = <50000000>;
+       #address-cells = <1>;
+       #size-cells = <0>;
+
+       flash0: spi-flash@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "s25fs512s", "spi-flash", "jedec,spi-nor";
+               spi-max-frequency = <50000000>;
+               spi-tx-bus-width = <1>;
+               spi-rx-bus-width = <1>;
+               reg = <0>;
+               status = "okay";
+       };
+};
+
 &scif0 {
        pinctrl-0 = <&scif0_pins>;
        pinctrl-names = "default";
diff --git a/configs/r8a77970_eagle_defconfig b/configs/r8a77970_eagle_defconfig
index eb8666abca..65cfc91c80 100644
--- a/configs/r8a77970_eagle_defconfig
+++ b/configs/r8a77970_eagle_defconfig
@@ -18,6 +18,8 @@ CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
@@ -28,6 +30,7 @@ CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_CONTROL=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_CLK=y
@@ -41,6 +44,10 @@ CONFIG_MMC_IO_VOLTAGE=y
 CONFIG_MMC_UHS_SUPPORT=y
 CONFIG_MMC_HS200_SUPPORT=y
 CONFIG_RENESAS_SDHI=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_BAR=y
+CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_DM_ETH=y
@@ -52,6 +59,8 @@ CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SCIF_CONSOLE=y
+CONFIG_DM_SPI=y
+CONFIG_RENESAS_RPC_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
diff --git a/include/configs/eagle.h b/include/configs/eagle.h
index 2ef0c7a777..d2edd56130 100644
--- a/include/configs/eagle.h
+++ b/include/configs/eagle.h
@@ -19,6 +19,12 @@
 #define CONFIG_BITBANGMII
 #define CONFIG_BITBANGMII_MULTI
 
+/* Environment compatibility */
+#undef CONFIG_ENV_SIZE_REDUND
+#undef CONFIG_ENV_SECT_SIZE
+#define CONFIG_ENV_SECT_SIZE   (256 * 1024)
+#define CONFIG_ENV_OFFSET      0x700000
+
 /* Board Clock */
 /* XTAL_CLK : 33.33MHz */
 #define CONFIG_SYS_CLK_FREQ    33333333u
-- 
2.16.2

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