diff options
author | David Brown <davidb@codeaurora.org> | 2011-08-04 09:01:02 (GMT) |
---|---|---|
committer | David Brown <davidb@codeaurora.org> | 2011-08-29 19:47:36 (GMT) |
commit | 56e2d8a68803be438211130f58ff02c277a2daaf (patch) | |
tree | 051aa9feb368d6893fa0e99421c253c9612f6dc8 | |
parent | cfdad2aba7398021f6eec415b9271b9cb40065f9 (diff) | |
download | linux-56e2d8a68803be438211130f58ff02c277a2daaf.tar.xz |
ARM: msm: Add devicetree support for msm8660-surf
Adds support for booting via device tree with a simple serial console.
Change-Id: I7f175b8db21928cd13e0fb49f3eed74966a2696f
Signed-off-by: David Brown <davidb@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r-- | arch/arm/boot/dts/msm8660-surf.dts | 24 | ||||
-rw-r--r-- | arch/arm/mach-msm/board-msm8x60.c | 58 |
2 files changed, 75 insertions, 7 deletions
diff --git a/arch/arm/boot/dts/msm8660-surf.dts b/arch/arm/boot/dts/msm8660-surf.dts new file mode 100644 index 0000000..15ded0d --- /dev/null +++ b/arch/arm/boot/dts/msm8660-surf.dts @@ -0,0 +1,24 @@ +/dts-v1/; + +/include/ "skeleton.dtsi" + +/ { + model = "Qualcomm MSM8660 SURF"; + compatible = "qcom,msm8660-surf", "qcom,msm8660"; + interrupt-parent = <&intc>; + + intc: interrupt-controller@02080000 { + compatible = "qcom,msm-8660-qgic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = < 0x02080000 0x1000 >, + < 0x02081000 0x1000 >; + }; + + serial@19c400000 { + compatible = "qcom,msm-hsuart", "qcom,msm-uart"; + reg = <0x19c40000 0x1000>, + <0x19c00000 0x1000>; + interrupts = <195>; + }; +}; diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c index 1163b6f..10fa8f6 100644 --- a/arch/arm/mach-msm/board-msm8x60.c +++ b/arch/arm/mach-msm/board-msm8x60.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. +/* Copyright (c) 2010, 2011, Code Aurora Forum. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -8,18 +8,16 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * */ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/io.h> #include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -64,6 +62,41 @@ static void __init msm8x60_init(void) { } +#ifdef CONFIG_OF +static struct of_dev_auxdata msm_auxdata_lookup[] __initdata = { + {} +}; + +static struct of_device_id msm_dt_gic_match[] __initdata = { + { .compatible = "qcom,msm-8660-qgic", }, + {} +}; + +static void __init msm8x60_dt_init(void) +{ + struct device_node *node; + + node = of_find_matching_node_by_address(NULL, msm_dt_gic_match, + MSM8X60_QGIC_DIST_PHYS); + if (node) + irq_domain_add_simple(node, GIC_SPI_START); + + if (of_machine_is_compatible("qcom,msm8660-surf")) { + printk(KERN_INFO "Init surf UART registers\n"); + msm8x60_init_uart12dm(); + } + + of_platform_populate(NULL, of_default_bus_match_table, + msm_auxdata_lookup, NULL); +} + +static const char *msm8x60_fluid_match[] __initdata = { + "qcom,msm8660-fluid", + "qcom,msm8660-surf", + NULL +}; +#endif /* CONFIG_OF */ + MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3") .map_io = msm8x60_map_io, .init_irq = msm8x60_init_irq, @@ -91,3 +124,14 @@ MACHINE_START(MSM8X60_FFA, "QCT MSM8X60 FFA") .init_machine = msm8x60_init, .timer = &msm_timer, MACHINE_END + +#ifdef CONFIG_OF +/* TODO: General device tree support for all MSM. */ +DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)") + .map_io = msm8x60_map_io, + .init_irq = msm8x60_init_irq, + .init_machine = msm8x60_dt_init, + .timer = &msm_timer, + .dt_compat = msm8x60_fluid_match, +MACHINE_END +#endif /* CONFIG_OF */ |