2 * arch/arm/mach-at91/at91sam9rl.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2007 Atmel Corporation
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file COPYING in the main directory of this archive for
12 #include <asm/system_misc.h>
15 #include <mach/at91_dbgu.h>
16 #include <mach/hardware.h>
21 /* --------------------------------------------------------------------
22 * AT91SAM9RL processor initialization
23 * -------------------------------------------------------------------- */
25 static void __init at91sam9rl_map_io(void)
27 unsigned long sram_size;
29 switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
30 case AT91_CIDR_SRAMSIZ_32K:
31 sram_size = 2 * SZ_16K;
33 case AT91_CIDR_SRAMSIZ_16K:
39 at91_init_sram(0, AT91SAM9RL_SRAM_BASE, sram_size);
42 static void __init at91sam9rl_initialize(void)
44 arm_pm_idle = at91sam9_idle;
46 at91_sysirq_mask_rtc(AT91SAM9RL_BASE_RTC);
47 at91_sysirq_mask_rtt(AT91SAM9RL_BASE_RTT);
50 static void __init at91sam9rl_init_time(void)
52 at91sam926x_pit_init(NR_IRQS_LEGACY + AT91_ID_SYS);
55 AT91_SOC_START(at91sam9rl)
56 .map_io = at91sam9rl_map_io,
57 .init = at91sam9rl_initialize,
58 .init_time = at91sam9rl_init_time,