This moves SPL to common location so it can be reused by multiple boards. Also, this commit adjusts M28 SoM to avoid breakage due to the move. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Detlev Zundel <dzu@denx.de> Cc: Stefano Babic <sbabic@denx.de>master
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/*
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* Freescale i.MX28 Boot setup |
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* |
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* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> |
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* on behalf of DENX Software Engineering GmbH |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <config.h> |
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#include <asm/io.h> |
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#include <asm/arch/iomux-mx28.h> |
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#include <asm/arch/imx-regs.h> |
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#include "mx28_init.h" |
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/*
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* This delay function is intended to be used only in early stage of boot, where |
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* clock are not set up yet. The timer used here is reset on every boot and |
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* takes a few seconds to roll. The boot doesn't take that long, so to keep the |
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* code simple, it doesn't take rolling into consideration. |
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*/ |
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#define HW_DIGCTRL_MICROSECONDS 0x8001c0c0 |
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void early_delay(int delay) |
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{ |
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uint32_t st = readl(HW_DIGCTRL_MICROSECONDS); |
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st += delay; |
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while (st > readl(HW_DIGCTRL_MICROSECONDS)) |
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; |
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} |
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void mx28_common_spl_init(const iomux_cfg_t *iomux_setup, |
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const unsigned int iomux_size) |
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{ |
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mxs_iomux_setup_multiple_pads(iomux_setup, iomux_size); |
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mx28_power_init(); |
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mx28_mem_init(); |
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mx28_power_wait_pswitch(); |
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} |
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/* Support aparatus */ |
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inline void board_init_f(unsigned long bootflag) |
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{ |
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for (;;) |
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; |
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} |
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inline void board_init_r(gd_t *id, ulong dest_addr) |
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{ |
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for (;;) |
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; |
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} |
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inline int printf(const char *fmt, ...) |
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{ |
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return 0; |
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} |
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inline void __coloured_LED_init(void) {} |
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inline void __red_LED_on(void) {} |
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void coloured_LED_init(void) |
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__attribute__((weak, alias("__coloured_LED_init"))); |
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void red_LED_on(void) |
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__attribute__((weak, alias("__red_LED_on"))); |
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void hang(void) __attribute__ ((noreturn)); |
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void hang(void) |
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{ |
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for (;;) |
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; |
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} |
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