[PATCH v2 4/6] TI816X: Create board support for TI816X_EVM

[PATCH v2 4/6] TI816X: Create board support for TI816X_EVM

[Hemant Pedanekar]

This patch adds minimal support for TI816X EVM to enable kernel boot.

Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
---
 arch/arm/mach-omap2/Kconfig           |    8 ++++
 arch/arm/mach-omap2/board-ti8168evm.c |   58 +++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-omap2/board-ti8168evm.c

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 3a91a10..75bb208 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -249,6 +249,14 @@ config MACH_OMAP4_PANDA
 	default y
 	depends on ARCH_OMAP4
 
+comment "TI816X Board Type"
+	depends on ARCH_TI816X
+
+config MACH_TI8168EVM
+	bool "TI8168 Evaluation Module"
+	default y
+	depends on ARCH_TI816X
+
 config OMAP3_EMU
 	bool "OMAP3 debugging peripherals"
 	depends on ARCH_OMAP3
diff --git a/arch/arm/mach-omap2/board-ti8168evm.c b/arch/arm/mach-omap2/board-ti8168evm.c
new file mode 100644
index 0000000..406bdbd
--- /dev/null
+++ b/arch/arm/mach-omap2/board-ti8168evm.c
@@ -0,0 +1,58 @@
+/*
+ * Code for TI8168 EVM.
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc. - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <plat/irqs.h>
+#include <plat/board.h>
+#include <plat/common.h>
+#include <plat/timer-gp.h>
+
+static void __init ti8168_evm_init_irq(void)
+{
+	/* Timer1 is reserved on TI816X so skip to first available */
+	omap2_gp_clockevent_set_gptimer(2);
+
+	omap2_init_common_hw(NULL, NULL);
+	omap_init_irq();
+}
+
+static void __init ti8168_evm_init(void)
+{
+	omap_serial_init();
+}
+
+
+static void __init ti8168_evm_map_io(void)
+{
+	omap2_set_globals_ti816x();
+	ti816x_map_common_io();
+}
+
+MACHINE_START(TI8168EVM, "ti8168evm")
+	/* Maintainer: Texas Instruments */
+	.phys_io	= 0x48000000,
+	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
+	.boot_params	= 0x80000100,
+	.map_io		= ti8168_evm_map_io,
+	.init_irq	= ti8168_evm_init_irq,
+	.init_machine	= ti8168_evm_init,
+	.timer		= &omap_timer,
+MACHINE_END
-- 
1.6.2.4

Re: [PATCH v2 4/6] TI816X: Create board support for TI816X_EVM

[Kevin Hilman]

Hemant Pedanekar <hemantp@ti.com> writes:

> This patch adds minimal support for TI816X EVM to enable kernel boot.
>
> Signed-off-by: Hemant Pedanekar <hemantp@ti.com>

[...]

> +static void __init ti8168_evm_init_irq(void)
> +{
> +	/* Timer1 is reserved on TI816X so skip to first available */

reserved for what?  DSP?  

If it is totally unavailable for use by Linux, then the timer init
should probably request the timer so other users requesting any timer
would not be given a reserved timer.

Kevin