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>
14 #include <mach/at91_dbgu.h>
15 #include <mach/hardware.h>
20 /* --------------------------------------------------------------------
21 * AT91SAM9RL processor initialization
22 * -------------------------------------------------------------------- */
24 static void __init at91sam9rl_map_io(void)
26 unsigned long sram_size;
28 switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
29 case AT91_CIDR_SRAMSIZ_32K:
30 sram_size = 2 * SZ_16K;
32 case AT91_CIDR_SRAMSIZ_16K:
38 at91_init_sram(0, AT91SAM9RL_SRAM_BASE, sram_size);
41 static void __init at91sam9rl_initialize(void)
43 arm_pm_idle = at91sam9_idle;
45 at91_sysirq_mask_rtc(AT91SAM9RL_BASE_RTC);
46 at91_sysirq_mask_rtt(AT91SAM9RL_BASE_RTT);
49 static void __init at91sam9rl_init_time(void)
51 at91sam926x_pit_init(NR_IRQS_LEGACY + AT91_ID_SYS);
54 AT91_SOC_START(at91sam9rl)
55 .map_io = at91sam9rl_map_io,
56 .init = at91sam9rl_initialize,
57 .init_time = at91sam9rl_init_time,