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-rw-r--r--arch/arm/mach-omap2/board-generic.c175
1 files changed, 132 insertions, 43 deletions
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 73e3c31..fb55fa3d 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -1,76 +1,165 @@
/*
- * linux/arch/arm/mach-omap2/board-generic.c
- *
* Copyright (C) 2005 Nokia Corporation
* Author: Paul Mundt <paul.mundt@nokia.com>
*
- * Modified from mach-omap/omap1/board-generic.c
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
- * Code for generic OMAP2 board. Should work on many OMAP2 systems where
- * the bootloader passes the board-specific data to the kernel.
- * Do not put any board specific code to this file; create a new machine
- * type if you need custom low-level initializations.
+ * Modified from the original mach-omap/omap2/board-generic.c did by Paul
+ * to support the OMAP2+ device tree boards with an unique board file.
*
* 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/kernel.h>
-#include <linux/init.h>
-#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/of_platform.h>
+#include <linux/irqdomain.h>
+#include <linux/i2c/twl.h>
#include <mach/hardware.h>
-#include <asm/mach-types.h>
#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <mach/gpio.h>
-#include <plat/usb.h>
#include <plat/board.h>
#include <plat/common.h>
+#include <mach/omap4-common.h>
+#include "common-board-devices.h"
+
+/*
+ * XXX: Still needed to boot until the i2c & twl driver is adapted to
+ * device-tree
+ */
+#ifdef CONFIG_ARCH_OMAP4
+static struct twl4030_platform_data sdp4430_twldata = {
+ .irq_base = TWL6030_IRQ_BASE,
+ .irq_end = TWL6030_IRQ_END,
+};
+
+static void __init omap4_i2c_init(void)
+{
+ omap4_pmic_init("twl6030", &sdp4430_twldata);
+}
+#endif
-static struct omap_board_config_kernel generic_config[] = {
+#ifdef CONFIG_ARCH_OMAP3
+static struct twl4030_platform_data beagle_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
};
-static void __init omap_generic_init_early(void)
+static void __init omap3_i2c_init(void)
{
- omap2_init_common_infrastructure();
- omap2_init_common_devices(NULL, NULL);
+ omap3_pmic_init("twl4030", &beagle_twldata);
}
+#endif
+
+static struct of_device_id omap_dt_match_table[] __initdata = {
+ { .compatible = "simple-bus", },
+ { .compatible = "ti,omap-infra", },
+ { }
+};
+
+static struct of_device_id intc_match[] __initdata = {
+ { .compatible = "ti,omap3-intc", },
+ { .compatible = "arm,cortex-a9-gic", },
+ { }
+};
static void __init omap_generic_init(void)
{
+ struct device_node *node = of_find_matching_node(NULL, intc_match);
+ if (node)
+ irq_domain_add_simple(node, 0);
+
omap_serial_init();
- omap_board_config = generic_config;
- omap_board_config_size = ARRAY_SIZE(generic_config);
+ omap_sdrc_init(NULL, NULL);
+
+ of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
+}
+
+#ifdef CONFIG_ARCH_OMAP4
+static void __init omap4_init(void)
+{
+ omap4_i2c_init();
+ omap_generic_init();
}
+#endif
-static void __init omap_generic_map_io(void)
+#ifdef CONFIG_ARCH_OMAP3
+static void __init omap3_init(void)
{
- if (cpu_is_omap242x()) {
- omap2_set_globals_242x();
- omap242x_map_common_io();
- } else if (cpu_is_omap243x()) {
- omap2_set_globals_243x();
- omap243x_map_common_io();
- } else if (cpu_is_omap34xx()) {
- omap2_set_globals_3xxx();
- omap34xx_map_common_io();
- } else if (cpu_is_omap44xx()) {
- omap2_set_globals_443x();
- omap44xx_map_common_io();
- }
+ omap3_i2c_init();
+ omap_generic_init();
}
+#endif
-/* XXX This machine entry name should be updated */
-MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
- /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
- .boot_params = 0x80000100,
+#if defined(CONFIG_SOC_OMAP2420)
+static const char *omap242x_boards_compat[] __initdata = {
+ "ti,omap2420",
+ NULL,
+};
+
+DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
+ .atag_offset = 0x100,
.reserve = omap_reserve,
- .map_io = omap_generic_map_io,
- .init_early = omap_generic_init_early,
- .init_irq = omap_init_irq,
+ .map_io = omap242x_map_io,
+ .init_early = omap2420_init_early,
+ .init_irq = omap2_init_irq,
.init_machine = omap_generic_init,
- .timer = &omap_timer,
+ .timer = &omap2_timer,
+ .dt_compat = omap242x_boards_compat,
+MACHINE_END
+#endif
+
+#if defined(CONFIG_SOC_OMAP2430)
+static const char *omap243x_boards_compat[] __initdata = {
+ "ti,omap2430",
+ NULL,
+};
+
+DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
+ .atag_offset = 0x100,
+ .reserve = omap_reserve,
+ .map_io = omap243x_map_io,
+ .init_early = omap2430_init_early,
+ .init_irq = omap2_init_irq,
+ .init_machine = omap_generic_init,
+ .timer = &omap2_timer,
+ .dt_compat = omap243x_boards_compat,
+MACHINE_END
+#endif
+
+#if defined(CONFIG_ARCH_OMAP3)
+static const char *omap3_boards_compat[] __initdata = {
+ "ti,omap3",
+ NULL,
+};
+
+DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
+ .atag_offset = 0x100,
+ .reserve = omap_reserve,
+ .map_io = omap3_map_io,
+ .init_early = omap3430_init_early,
+ .init_irq = omap3_init_irq,
+ .init_machine = omap3_init,
+ .timer = &omap3_timer,
+ .dt_compat = omap3_boards_compat,
+MACHINE_END
+#endif
+
+#if defined(CONFIG_ARCH_OMAP4)
+static const char *omap4_boards_compat[] __initdata = {
+ "ti,omap4",
+ NULL,
+};
+
+DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
+ .atag_offset = 0x100,
+ .reserve = omap_reserve,
+ .map_io = omap4_map_io,
+ .init_early = omap4430_init_early,
+ .init_irq = gic_init_irq,
+ .init_machine = omap4_init,
+ .timer = &omap4_timer,
+ .dt_compat = omap4_boards_compat,
MACHINE_END
+#endif