2 * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
4 * Copyright 2009 Holger Schurig, hs4233@mail.mn-solutions.de
6 * This contains i.MX21-specific hardware definitions. For those
7 * hardware pieces that are common between i.MX21 and i.MX27, have a
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
25 #ifndef __ASM_ARCH_MXC_MX21_H__
26 #define __ASM_ARCH_MXC_MX21_H__
28 #ifndef __ASM_ARCH_MXC_HARDWARE_H__
29 #error "Do not include directly."
33 /* Memory regions and CS */
34 #define SDRAM_BASE_ADDR 0xC0000000
35 #define CSD1_BASE_ADDR 0xC4000000
37 #define CS0_BASE_ADDR 0xC8000000
38 #define CS1_BASE_ADDR 0xCC000000
39 #define CS2_BASE_ADDR 0xD0000000
40 #define CS3_BASE_ADDR 0xD1000000
41 #define CS4_BASE_ADDR 0xD2000000
42 #define CS5_BASE_ADDR 0xDD000000
43 #define PCMCIA_MEM_BASE_ADDR 0xD4000000
45 /* NAND, SDRAM, WEIM etc controllers */
46 #define X_MEMC_BASE_ADDR 0xDF000000
47 #define X_MEMC_BASE_ADDR_VIRT 0xF4200000
48 #define X_MEMC_SIZE SZ_256K
50 #define SDRAMC_BASE_ADDR (X_MEMC_BASE_ADDR + 0x0000)
51 #define EIM_BASE_ADDR (X_MEMC_BASE_ADDR + 0x1000)
52 #define PCMCIA_CTL_BASE_ADDR (X_MEMC_BASE_ADDR + 0x2000)
53 #define NFC_BASE_ADDR (X_MEMC_BASE_ADDR + 0x3000)
55 #define IRAM_BASE_ADDR 0xFFFFE800 /* internal ram */
57 /* this CPU supports up to 192 GPIOs (don't forget the baseboard!) */
58 #define ARCH_NR_GPIOS (6*32 + 16)
60 /* fixed interrupt numbers */
61 #define MXC_INT_USBCTRL 58
62 #define MXC_INT_USBCTRL 58
63 #define MXC_INT_USBMNP 57
64 #define MXC_INT_USBFUNC 56
65 #define MXC_INT_USBHOST 55
66 #define MXC_INT_USBDMA 54
67 #define MXC_INT_USBWKUP 53
68 #define MXC_INT_EMMADEC 50
69 #define MXC_INT_EMMAENC 49
70 #define MXC_INT_BMI 30
71 #define MXC_INT_FIRI 9
73 /* fixed DMA request numbers */
74 #define DMA_REQ_BMI_RX 29
75 #define DMA_REQ_BMI_TX 28
76 #define DMA_REQ_FIRI_RX 4
78 #endif /* __ASM_ARCH_MXC_MX21_H__ */