mirror of https://gitee.com/openkylin/linux.git
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*
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* arch/arm/mach-at91/at91sam9rl.c
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*
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* Copyright (C) 2005 SAN People
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* Copyright (C) 2007 Atmel Corporation
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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*/
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#include <asm/system_misc.h>
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#include <asm/irq.h>
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#include <mach/cpu.h>
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#include <mach/at91_dbgu.h>
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#include <mach/hardware.h>
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#include "soc.h"
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#include "generic.h"
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/* --------------------------------------------------------------------
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* AT91SAM9RL processor initialization
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* -------------------------------------------------------------------- */
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static void __init at91sam9rl_map_io(void)
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{
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unsigned long sram_size;
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switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
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case AT91_CIDR_SRAMSIZ_32K:
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sram_size = 2 * SZ_16K;
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break;
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case AT91_CIDR_SRAMSIZ_16K:
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default:
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sram_size = SZ_16K;
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}
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/* Map SRAM */
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at91_init_sram(0, AT91SAM9RL_SRAM_BASE, sram_size);
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}
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static void __init at91sam9rl_initialize(void)
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{
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arm_pm_idle = at91sam9_idle;
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at91_sysirq_mask_rtc(AT91SAM9RL_BASE_RTC);
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at91_sysirq_mask_rtt(AT91SAM9RL_BASE_RTT);
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}
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AT91_SOC_START(at91sam9rl)
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.map_io = at91sam9rl_map_io,
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.init = at91sam9rl_initialize,
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AT91_SOC_END
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