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authorLinus Walleij <linus.walleij@linaro.org>2015-10-15 12:20:15 +0200
committerArnd Bergmann <arnd@arndb.de>2015-10-15 17:20:12 +0200
commit5078f77e14431efbfacd541c563b101bd6a99d75 (patch)
tree8b81aebf581bf98733e95c58a68679ae8bb15d6f
parente3d05583a725530b20f0981ff049257042528280 (diff)
ARM64: juno: add NOR flash to device tree
The Juno motherboard has a NOR flash on the motherboard, enable this to be accessed with the CFI flash driver. Results after enabling MTD, MTD_CFI, MTD_PHYSMAP, MTD_PHYSMAP_OF, MTD_CFI_INTELEXT: 8000000.flash: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID 0x000089 Chip ID 0x008919 Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Using buffer write method Using auto-unlock on power-up/resume cfi_cmdset_0001: Erase suspend on write enabled erase region 0: offset=0x0,size=0x40000,blocks=255 erase region 1: offset=0x3fc0000,size=0x10000,blocks=4 Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r--arch/arm64/boot/dts/arm/juno-motherboard.dtsi8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
index 637e046f0e36..c7c99a42e2e9 100644
--- a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
@@ -103,6 +103,14 @@
};
};
+ flash@0,00000000 {
+ /* 2 * 32MiB NOR Flash memory mounted on CS0 */
+ compatible = "arm,vexpress-flash", "cfi-flash";
+ linux,part-probe = "afs";
+ reg = <0 0x00000000 0x04000000>;
+ bank-width = <4>;
+ };
+
ethernet@2,00000000 {
compatible = "smsc,lan9118", "smsc,lan9115";
reg = <2 0x00000000 0x10000>;

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