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ARM: msm: Add devicetree support for msm8660-surf

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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>
This commit is contained in:
David Brown 2011-08-04 02:01:02 -07:00
parent cfdad2aba7
commit 56e2d8a688
2 changed files with 75 additions and 7 deletions
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24
arch/arm/boot/dts/msm8660-surf.dts Normal file
View file

@ -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>;
};
};

58
arch/arm/mach-msm/board-msm8x60.c
View file

@ -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 */