diff options
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/compressed/head.S | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/at91sam9g25ek.dts | 2 | ||||
| -rw-r--r-- | arch/arm/boot/dts/bcm2835-rpi-b.dts | 12 | ||||
| -rw-r--r-- | arch/arm/boot/dts/bcm2835.dtsi | 39 |
4 files changed, 56 insertions, 1 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index b8c64b80bafc..81769c1341fa 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -659,10 +659,14 @@ __armv7_mmu_cache_on: #ifdef CONFIG_CPU_ENDIAN_BE8 orr r0, r0, #1 << 25 @ big-endian page tables #endif + mrcne p15, 0, r6, c2, c0, 2 @ read ttb control reg orrne r0, r0, #1 @ MMU enabled movne r1, #0xfffffffd @ domain 0 = client + bic r6, r6, #1 << 31 @ 32-bit translation system + bic r6, r6, #3 << 0 @ use only ttbr0 mcrne p15, 0, r3, c2, c0, 0 @ load page table pointer mcrne p15, 0, r1, c3, c0, 0 @ load domain access control + mcrne p15, 0, r6, c2, c0, 2 @ load ttb control #endif mcr p15, 0, r0, c7, c5, 4 @ ISB mcr p15, 0, r0, c1, c0, 0 @ load control register diff --git a/arch/arm/boot/dts/at91sam9g25ek.dts b/arch/arm/boot/dts/at91sam9g25ek.dts index 7829a4d0cb22..96514c134e54 100644 --- a/arch/arm/boot/dts/at91sam9g25ek.dts +++ b/arch/arm/boot/dts/at91sam9g25ek.dts @@ -15,7 +15,7 @@ compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9"; chosen { - bootargs = "128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs"; + bootargs = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs"; }; ahb { diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts new file mode 100644 index 000000000000..7dd860f83f96 --- /dev/null +++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts @@ -0,0 +1,12 @@ +/dts-v1/; +/memreserve/ 0x0c000000 0x04000000; +/include/ "bcm2835.dtsi" + +/ { + compatible = "raspberrypi,model-b", "brcm,bcm2835"; + model = "Raspberry Pi Model B"; + + memory { + reg = <0 0x10000000>; + }; +}; diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi new file mode 100644 index 000000000000..0b619398532c --- /dev/null +++ b/arch/arm/boot/dts/bcm2835.dtsi @@ -0,0 +1,39 @@ +/include/ "skeleton.dtsi" + +/ { + compatible = "brcm,bcm2835"; + model = "BCM2835"; + interrupt-parent = <&intc>; + + chosen { + bootargs = "earlyprintk console=ttyAMA0"; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x7e000000 0x20000000 0x02000000>; + + timer { + compatible = "brcm,bcm2835-system-timer"; + reg = <0x7e003000 0x1000>; + interrupts = <1 0>, <1 1>, <1 2>, <1 3>; + clock-frequency = <1000000>; + }; + + intc: interrupt-controller { + compatible = "brcm,bcm2835-armctrl-ic"; + reg = <0x7e00b200 0x200>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + uart@20201000 { + compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell"; + reg = <0x7e201000 0x1000>; + interrupts = <2 25>; + clock-frequency = <3000000>; + }; + }; +}; |