diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.9/032-0005-ARM-BCM5301X-Specify-all-RAM-by-including-an-extra-b.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.9/032-0005-ARM-BCM5301X-Specify-all-RAM-by-including-an-extra-b.patch | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.9/032-0005-ARM-BCM5301X-Specify-all-RAM-by-including-an-extra-b.patch b/target/linux/bcm53xx/patches-4.9/032-0005-ARM-BCM5301X-Specify-all-RAM-by-including-an-extra-b.patch new file mode 100644 index 0000000000..05b7abe749 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.9/032-0005-ARM-BCM5301X-Specify-all-RAM-by-including-an-extra-b.patch @@ -0,0 +1,236 @@ +From 94afd3b99c65072b76edd25f73bad89587b83261 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Wed, 7 Dec 2016 08:56:54 +0100 +Subject: [PATCH 5/6] ARM: BCM5301X: Specify all RAM by including an extra + block +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The first 128 MiB of RAM can be accessed using an alias at address 0x0. + +In theory we could access whole RAM using 0x80000000 - 0xbfffffff range +(up to 1 GiB) but it doesn't seem to work on Northstar. For some reason +(hardware setup left by the bootloader maybe?) 0x80000000 - 0x87ffffff +range can't be used. I reproduced this problem on: +1) Buffalo WZR-600DHP2 (BCM47081) +2) Netgear R6250 (BCM4708) +3) D-Link DIR-885L (BCM47094) + +So it seems we're forced to access first 128 MiB using alias at 0x0 and +the rest using real base address + 128 MiB offset which is 0x88000000. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Jon Mason <jon.mason@broadcom.com> +Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> +--- + arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts | 3 ++- + arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts | 3 ++- + arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts | 3 ++- + arch/arm/boot/dts/bcm4708-netgear-r6250.dts | 3 ++- + arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts | 3 ++- + arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts | 3 ++- + arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts | 3 ++- + arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts | 3 ++- + arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts | 3 ++- + arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts | 3 ++- + arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts | 3 ++- + arch/arm/boot/dts/bcm4709-netgear-r7000.dts | 3 ++- + arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 3 ++- + arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts | 3 ++- + arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts | 3 ++- + arch/arm/boot/dts/bcm47094-netgear-r8500.dts | 3 ++- + 16 files changed, 32 insertions(+), 16 deletions(-) + +--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts ++++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts ++++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts ++++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x18000000>; + }; + + spi { +--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts ++++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts ++++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts ++++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts ++++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts ++++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + spi { +--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts ++++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + gpio-keys { +--- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts ++++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts ++++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x18000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts ++++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts ++++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts ++++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts +@@ -21,7 +21,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + nand: nand@18028000 { +--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts ++++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts +@@ -18,7 +18,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x08000000>; + }; + + leds { +--- a/arch/arm/boot/dts/bcm47094-netgear-r8500.dts ++++ b/arch/arm/boot/dts/bcm47094-netgear-r8500.dts +@@ -18,7 +18,8 @@ + }; + + memory { +- reg = <0x00000000 0x08000000>; ++ reg = <0x00000000 0x08000000 ++ 0x88000000 0x18000000>; + }; + + leds { |