summaryrefslogtreecommitdiff
path: root/arch/arm/boot
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/compressed/head-shmobile.S43
-rw-r--r--arch/arm/boot/dts/keystone.dts29
-rw-r--r--arch/arm/boot/dts/skeleton64.dtsi2
3 files changed, 58 insertions, 16 deletions
diff --git a/arch/arm/boot/compressed/head-shmobile.S b/arch/arm/boot/compressed/head-shmobile.S
index e2d636336b7c..e7f80928949c 100644
--- a/arch/arm/boot/compressed/head-shmobile.S
+++ b/arch/arm/boot/compressed/head-shmobile.S
@@ -55,12 +55,47 @@ __tmp_stack:
__continue:
#endif /* CONFIG_ZBOOT_ROM_MMC || CONFIG_ZBOOT_ROM_SH_MOBILE_SDHI */
- /* Set board ID necessary for boot */
- ldr r7, 1f @ Set machine type register
- mov r8, #0 @ pass null pointer as atag
+ adr r0, dtb_info
+ ldmia r0, {r1, r3, r4, r5, r7}
+
+ sub r0, r0, r1 @ calculate the delta offset
+ add r5, r5, r0 @ _edata
+
+ ldr lr, [r5, #0] @ check if valid DTB is present
+ cmp lr, r3
+ bne 0f
+
+ add r9, r7, #31 @ rounded up to a multiple
+ bic r9, r9, #31 @ ... of 32 bytes
+
+ add r6, r9, r5 @ copy from _edata
+ add r9, r9, r4 @ to MEMORY_START
+
+1: ldmdb r6!, {r0 - r3, r10 - r12, lr}
+ cmp r6, r5
+ stmdb r9!, {r0 - r3, r10 - r12, lr}
+ bhi 1b
+
+ /* Success: Zero board ID, pointer to start of memory for atag/dtb */
+ mov r7, #0
+ mov r8, r4
b 2f
-1 : .long MACH_TYPE
+ .align 2
+dtb_info:
+ .word dtb_info
+#ifndef __ARMEB__
+ .word 0xedfe0dd0 @ sig is 0xd00dfeed big endian
+#else
+ .word 0xd00dfeed
+#endif
+ .word MEMORY_START
+ .word _edata
+ .word 0x4000 @ maximum DTB size
+0:
+ /* Failure: Zero board ID, NULL atag/dtb */
+ mov r7, #0
+ mov r8, #0 @ pass null pointer as atag
2 :
#endif /* CONFIG_ZBOOT_ROM */
diff --git a/arch/arm/boot/dts/keystone.dts b/arch/arm/boot/dts/keystone.dts
index 1334b42c6b77..a68e34bbecb2 100644
--- a/arch/arm/boot/dts/keystone.dts
+++ b/arch/arm/boot/dts/keystone.dts
@@ -7,7 +7,9 @@
*/
/dts-v1/;
-/include/ "skeleton.dtsi"
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+#include "skeleton.dtsi"
/ {
model = "Texas Instruments Keystone 2 SoC";
@@ -67,18 +69,23 @@
timer {
compatible = "arm,armv7-timer";
- interrupts = <1 13 0xf08>,
- <1 14 0xf08>,
- <1 11 0xf08>,
- <1 10 0x308>;
+ interrupts =
+ <GIC_PPI 13
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
};
pmu {
compatible = "arm,cortex-a15-pmu";
- interrupts = <0 20 0xf01>,
- <0 21 0xf01>,
- <0 22 0xf01>,
- <0 23 0xf01>;
+ interrupts = <GIC_SPI 20 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 21 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 22 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 23 IRQ_TYPE_EDGE_RISING>;
};
soc {
@@ -100,7 +107,7 @@
reg-io-width = <4>;
reg = <0x02530c00 0x100>;
clock-frequency = <133120000>;
- interrupts = <0 277 0xf01>;
+ interrupts = <GIC_SPI 277 IRQ_TYPE_EDGE_RISING>;
};
uart1: serial@02531000 {
@@ -110,7 +117,7 @@
reg-io-width = <4>;
reg = <0x02531000 0x100>;
clock-frequency = <133120000>;
- interrupts = <0 280 0xf01>;
+ interrupts = <GIC_SPI 280 IRQ_TYPE_EDGE_RISING>;
};
};
diff --git a/arch/arm/boot/dts/skeleton64.dtsi b/arch/arm/boot/dts/skeleton64.dtsi
index 15994158a998..b5d7f36f33de 100644
--- a/arch/arm/boot/dts/skeleton64.dtsi
+++ b/arch/arm/boot/dts/skeleton64.dtsi
@@ -9,5 +9,5 @@
#size-cells = <2>;
chosen { };
aliases { };
- memory { device_type = "memory"; reg = <0 0>; };
+ memory { device_type = "memory"; reg = <0 0 0 0>; };
};