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b3c6df3ab2
Most board-*.c files read configuration data from the bootloader in their .init_machine() function. This needs to happen earlier, at some point before omap2_init_common_hw() is called. This is because a future patch will use the bootloader serial console port information to enable the UART clocks earlier, immediately after omap2_clk_init(). This is in turn necessary since otherwise clock tree usecounts on clocks like dpll4_m2x2_ck will be bogus, which can cause the currently-active console UART clock to be disabled during boot. Signed-off-by: Paul Walmsley <paul@pwsan.com>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
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* linux/arch/arm/mach-omap2/board-generic.c
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*
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* Copyright (C) 2005 Nokia Corporation
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* Author: Paul Mundt <paul.mundt@nokia.com>
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*
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* Modified from mach-omap/omap1/board-generic.c
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*
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* Code for generic OMAP2 board. Should work on many OMAP2 systems where
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* the bootloader passes the board-specific data to the kernel.
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* Do not put any board specific code to this file; create a new machine
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* type if you need custom low-level initializations.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <mach/gpio.h>
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#include <mach/mux.h>
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#include <mach/usb.h>
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#include <mach/board.h>
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#include <mach/common.h>
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static struct omap_board_config_kernel generic_config[] = {
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};
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static void __init omap_generic_init_irq(void)
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{
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omap_board_config = generic_config;
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omap_board_config_size = ARRAY_SIZE(generic_config);
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omap2_init_common_hw(NULL, NULL);
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omap_init_irq();
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}
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static void __init omap_generic_init(void)
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{
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omap_serial_init();
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}
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static void __init omap_generic_map_io(void)
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{
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omap2_set_globals_242x(); /* should be 242x, 243x, or 343x */
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omap2_map_common_io();
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}
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MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
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/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
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.phys_io = 0x48000000,
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.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
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.boot_params = 0x80000100,
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.map_io = omap_generic_map_io,
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.init_irq = omap_generic_init_irq,
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.init_machine = omap_generic_init,
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.timer = &omap_timer,
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MACHINE_END
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