summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-davinci
diff options
context:
space:
mode:
authorOlof Johansson <olof@lixom.net>2012-11-19 22:30:56 -0800
committerOlof Johansson <olof@lixom.net>2012-11-19 22:31:12 -0800
commit1443f8a0b95c07cee9df4420a30eea24123af3f3 (patch)
tree73a10165643ea9951841c58e3db697550c19fe5e /arch/arm/mach-davinci
parent00b2fa57d50fde1f5d7c3ac0893e49d69c315414 (diff)
parent001b35fff5d8b0d99a5ae16d8126d501b73cf8aa (diff)
downloadop-kernel-dev-1443f8a0b95c07cee9df4420a30eea24123af3f3.zip
op-kernel-dev-1443f8a0b95c07cee9df4420a30eea24123af3f3.tar.gz
Merge tag 'davinci-for-v3.8/defconfig' of git://gitorious.org/linux-davinci/linux-davinci into next/boards
From Sekhar Nori: This change enables DT related options in DA8XX defconfig. * tag 'davinci-for-v3.8/defconfig' of git://gitorious.org/linux-davinci/linux-davinci: ARM: davinci: da8xx defconfig: enable DT config options Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r--arch/arm/mach-davinci/Kconfig8
-rw-r--r--arch/arm/mach-davinci/Makefile1
-rw-r--r--arch/arm/mach-davinci/Makefile.boot2
-rw-r--r--arch/arm/mach-davinci/da8xx-dt.c66
4 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index f8eecb9..0153950 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -58,6 +58,14 @@ config ARCH_DAVINCI_TNETV107X
comment "DaVinci Board Type"
+config MACH_DA8XX_DT
+ bool "Support DA8XX platforms using device tree"
+ default y
+ depends on ARCH_DAVINCI_DA8XX
+ help
+ Say y here to include support for TI DaVinci DA850 based using
+ Flattened Device Tree. More information at Documentation/devicetree
+
config MACH_DAVINCI_EVM
bool "TI DM644x EVM"
default ARCH_DAVINCI_DM644x
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 2227eff..fb5c1aa 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -22,6 +22,7 @@ obj-$(CONFIG_AINTC) += irq.o
obj-$(CONFIG_CP_INTC) += cp_intc.o
# Board specific
+obj-$(CONFIG_MACH_DA8XX_DT) += da8xx-dt.o
obj-$(CONFIG_MACH_DAVINCI_EVM) += board-dm644x-evm.o
obj-$(CONFIG_MACH_SFFSDR) += board-sffsdr.o
obj-$(CONFIG_MACH_NEUROS_OSD2) += board-neuros-osd2.o
diff --git a/arch/arm/mach-davinci/Makefile.boot b/arch/arm/mach-davinci/Makefile.boot
index 04a6c4e..5c5a95a 100644
--- a/arch/arm/mach-davinci/Makefile.boot
+++ b/arch/arm/mach-davinci/Makefile.boot
@@ -11,3 +11,5 @@ else
params_phys-y := 0x80000100
initrd_phys-y := 0x80800000
endif
+
+dtb-$(CONFIG_MACH_DA8XX_DT) += da850-enbw-cmc.dtb da850-evm.dtb
diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
new file mode 100644
index 0000000..37c27af
--- /dev/null
+++ b/arch/arm/mach-davinci/da8xx-dt.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Modified from mach-omap/omap2/board-generic.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/io.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/irqdomain.h>
+
+#include <asm/mach/arch.h>
+
+#include <mach/common.h>
+#include <mach/cp_intc.h>
+#include <mach/da8xx.h>
+
+#define DA8XX_NUM_UARTS 3
+
+void __init da8xx_uart_clk_enable(void)
+{
+ int i;
+ for (i = 0; i < DA8XX_NUM_UARTS; i++)
+ davinci_serial_setup_clk(i, NULL);
+}
+
+static struct of_device_id da8xx_irq_match[] __initdata = {
+ { .compatible = "ti,cp-intc", .data = cp_intc_of_init, },
+ { }
+};
+
+static void __init da8xx_init_irq(void)
+{
+ of_irq_init(da8xx_irq_match);
+}
+
+#ifdef CONFIG_ARCH_DAVINCI_DA850
+
+static void __init da850_init_machine(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+ da8xx_uart_clk_enable();
+}
+
+static const char *da850_boards_compat[] __initdata = {
+ "enbw,cmc",
+ "ti,da850-evm",
+ "ti,da850",
+ NULL,
+};
+
+DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
+ .map_io = da850_init,
+ .init_irq = da8xx_init_irq,
+ .timer = &davinci_timer,
+ .init_machine = da850_init_machine,
+ .dt_compat = da850_boards_compat,
+ .init_late = davinci_init_late,
+ .restart = da8xx_restart,
+MACHINE_END
+
+#endif
OpenPOWER on IntegriCloud