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Message-Id: <1379992406-3541-2-git-send-email-rvaswani@codeaurora.org>
Date: Mon, 23 Sep 2013 20:13:25 -0700
From: Rohit Vaswani <rvaswani@...eaurora.org>
To: David Brown <davidb@...eaurora.org>
Cc: Rohit Vaswani <rvaswani@...eaurora.org>,
Rob Herring <rob.herring@...xeda.com>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Stephen Warren <swarren@...dotorg.org>,
Ian Campbell <ian.campbell@...rix.com>,
Russell King <linux@....linux.org.uk>,
Daniel Walker <dwalker@...o99.com>,
Bryan Huntsman <bryanh@...eaurora.org>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: [PATCHv4 2/3] ARM: msm: Add support for APQ8074 Dragonboard
This patch adds basic board support for APQ8074 Dragonboard
which belongs to the Snapdragon 800 family.
For now, just support a basic machine with device tree.
Signed-off-by: Rohit Vaswani <rvaswani@...eaurora.org>
---
arch/arm/Kconfig.debug | 9 +++++++
arch/arm/boot/dts/Makefile | 3 ++-
arch/arm/boot/dts/qcom-apq8074-dragonboard.dts | 6 +++++
arch/arm/boot/dts/qcom-msm8974.dtsi | 35 ++++++++++++++++++++++++++
arch/arm/include/debug/msm.S | 5 ++++
arch/arm/mach-msm/Kconfig | 13 ++++++++++
arch/arm/mach-msm/board-dt.c | 9 +++++++
7 files changed, 79 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
create mode 100644 arch/arm/boot/dts/qcom-msm8974.dtsi
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index e18a6fc..959b2c7 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -357,6 +357,15 @@ choice
Say Y here if you want the debug print routines to direct
their output to the serial port on MSM 8960 devices.
+ config DEBUG_MSM8974_UART
+ bool "Kernel low-level debugging messages via MSM 8974 UART"
+ depends on ARCH_MSM8974
+ select MSM_HAS_DEBUG_UART_HS
+ select DEBUG_MSM_UART
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the serial port on MSM 8974 devices.
+
config DEBUG_MVEBU_UART
bool "Kernel low-level debugging messages via MVEBU UART (old bootloaders)"
depends on ARCH_MVEBU
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 000cf76..e71a3ec 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -102,7 +102,8 @@ dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-cloudbox.dtb \
kirkwood-openblocks_a6.dtb
dtb-$(CONFIG_ARCH_MARCO) += marco-evb.dtb
dtb-$(CONFIG_ARCH_MSM) += msm8660-surf.dtb \
- msm8960-cdp.dtb
+ msm8960-cdp.dtb \
+ qcom-apq8074-dragonboard.dtb
dtb-$(CONFIG_ARCH_MVEBU) += armada-370-db.dtb \
armada-370-mirabox.dtb \
armada-370-netgear-rn102.dtb \
diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
new file mode 100644
index 0000000..bb6f3c4
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
@@ -0,0 +1,6 @@
+/include/ "qcom-msm8974.dtsi"
+
+/ {
+ model = "Qualcomm APQ8074 Dragonboard";
+ compatible = "qcom,apq8074-dragonboard", "qcom,apq8074";
+};
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
new file mode 100644
index 0000000..f04b643
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -0,0 +1,35 @@
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+
+/ {
+ model = "Qualcomm MSM8974";
+ compatible = "qcom,msm8974";
+ interrupt-parent = <&intc>;
+
+ soc: soc { };
+};
+
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ compatible = "simple-bus";
+
+ intc: interrupt-controller@...00000 {
+ compatible = "qcom,msm-qgic2";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0xf9000000 0x1000>,
+ <0xf9002000 0x1000>;
+ };
+
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <1 2 0xf08>,
+ <1 3 0xf08>,
+ <1 4 0xf08>,
+ <1 1 0xf08>;
+ clock-frequency = <19200000>;
+ };
+};
diff --git a/arch/arm/include/debug/msm.S b/arch/arm/include/debug/msm.S
index 9166e1b..9d653d4 100644
--- a/arch/arm/include/debug/msm.S
+++ b/arch/arm/include/debug/msm.S
@@ -46,6 +46,11 @@
#define MSM_DEBUG_UART_PHYS 0x16440000
#endif
+#ifdef CONFIG_DEBUG_MSM8974_UART
+#define MSM_DEBUG_UART_BASE 0xFA71E000
+#define MSM_DEBUG_UART_PHYS 0xF991E000
+#endif
+
.macro addruart, rp, rv, tmp
#ifdef MSM_DEBUG_UART_PHYS
ldr \rp, =MSM_DEBUG_UART_PHYS
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 2586c28..086bcb9 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -64,6 +64,19 @@ config ARCH_MSM_DT
select SPARSE_IRQ
select USE_OF
+config ARCH_MSM8974
+ bool "MSM8974"
+ select ARM_GIC
+ select CPU_V7
+ select HAVE_ARM_ARCH_TIMER
+ select HAVE_SMP
+ select MSM_SCM if SMP
+ select USE_OF
+
+config ARCH_MSM_DT
+ def_bool y
+ depends on (ARCH_MSM8X60 || ARCH_MSM8960 || ARCH_MSM8974)
+
config MSM_HAS_DEBUG_UART_HS
bool
diff --git a/arch/arm/mach-msm/board-dt.c b/arch/arm/mach-msm/board-dt.c
index 266a280..5211e80 100644
--- a/arch/arm/mach-msm/board-dt.c
+++ b/arch/arm/mach-msm/board-dt.c
@@ -26,7 +26,16 @@ static const char * const msm_dt_match[] __initconst = {
NULL
};
+static const char * const apq8074_dt_match[] __initconst = {
+ "qcom,apq8074-dragonboard",
+ NULL
+};
+
DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)")
.smp = smp_ops(msm_smp_ops),
.dt_compat = msm_dt_match,
MACHINE_END
+
+DT_MACHINE_START(APQ_DT, "Qualcomm MSM (Flattened Device Tree)")
+ .dt_compat = apq8074_dt_match,
+MACHINE_END
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
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