From 9e4d671f75cf02264711fa27c91215038f2a03f8 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Wed, 27 Apr 2016 08:04:30 +0000 Subject: [PATCH] bcm53xx: support SPI-NOR on dual flash devices MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We need it to access NVRAM. Signed-off-by: Rafał Miłecki SVN-Revision: 49262 --- ...Enable-SPI-NOR-on-dual-flash-devices.patch | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 target/linux/bcm53xx/patches-4.4/130-ARM-BCM5301X-Enable-SPI-NOR-on-dual-flash-devices.patch diff --git a/target/linux/bcm53xx/patches-4.4/130-ARM-BCM5301X-Enable-SPI-NOR-on-dual-flash-devices.patch b/target/linux/bcm53xx/patches-4.4/130-ARM-BCM5301X-Enable-SPI-NOR-on-dual-flash-devices.patch new file mode 100644 index 0000000000..c9bb9af479 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.4/130-ARM-BCM5301X-Enable-SPI-NOR-on-dual-flash-devices.patch @@ -0,0 +1,67 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Wed, 27 Apr 2016 08:58:01 +0200 +Subject: [PATCH] ARM: BCM5301X: Enable SPI-NOR on dual flash devices +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Commit 1b47b98acce2 ("ARM: BCM5301X: Add DT entry for SPI controller and +NOR flash") enabled SPI-NOR device on routers using serial flash only. +However there are also devices with two flash memories: +1) Small SPI attached flash used mostly for booting +2) Bigger NAND used mostly for storing firmware +On such devices we still need SPI-NOR e.g. to access NVRAM data. + +Signed-off-by: Rafał Miłecki +--- + +--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts ++++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts +@@ -147,3 +147,7 @@ + &usb3 { + vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>; + }; ++ ++&spi_nor { ++ status = "okay"; ++}; +--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts ++++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts +@@ -90,3 +90,7 @@ + &usb3 { + vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>; + }; ++ ++&spi_nor { ++ status = "okay"; ++}; +--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts ++++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts +@@ -82,3 +82,7 @@ + }; + }; + }; ++ ++&spi_nor { ++ status = "okay"; ++}; +--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts ++++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts +@@ -131,3 +131,7 @@ + &usb2 { + vcc-gpio = <&chipcommon 13 GPIO_ACTIVE_HIGH>; + }; ++ ++&spi_nor { ++ status = "okay"; ++}; +--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts ++++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts +@@ -113,3 +113,7 @@ + &usb3 { + vcc-gpio = <&chipcommon 18 GPIO_ACTIVE_HIGH>; + }; ++ ++&spi_nor { ++ status = "okay"; ++}; -- 2.30.2