]> git.karo-electronics.de Git - karo-tx-linux.git/blob - arch/xtensa/platforms/xtfpga/include/platform/hardware.h
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[karo-tx-linux.git] / arch / xtensa / platforms / xtfpga / include / platform / hardware.h
1 /*
2  * arch/xtensa/platform/xtavnet/include/platform/hardware.h
3  *
4  * This file is subject to the terms and conditions of the GNU General Public
5  * License.  See the file "COPYING" in the main directory of this archive
6  * for more details.
7  *
8  * Copyright (C) 2006 Tensilica Inc.
9  */
10
11 /*
12  * This file contains the hardware configuration of the XTAVNET boards.
13  */
14
15 #include <asm/types.h>
16
17 #ifndef __XTENSA_XTAVNET_HARDWARE_H
18 #define __XTENSA_XTAVNET_HARDWARE_H
19
20 /* Memory configuration. */
21
22 #define PLATFORM_DEFAULT_MEM_START __XTENSA_UL(CONFIG_DEFAULT_MEM_START)
23 #define PLATFORM_DEFAULT_MEM_SIZE  __XTENSA_UL(CONFIG_DEFAULT_MEM_SIZE)
24
25 /* Interrupt configuration. */
26
27 #define PLATFORM_NR_IRQS        0
28
29 /* Default assignment of LX60 devices to external interrupts. */
30
31 #ifdef CONFIG_XTENSA_MX
32 #define DUART16552_INTNUM       XCHAL_EXTINT3_NUM
33 #define OETH_IRQ                XCHAL_EXTINT4_NUM
34 #define C67X00_IRQ              XCHAL_EXTINT8_NUM
35 #else
36 #define DUART16552_INTNUM       XCHAL_EXTINT0_NUM
37 #define OETH_IRQ                XCHAL_EXTINT1_NUM
38 #define C67X00_IRQ              XCHAL_EXTINT5_NUM
39 #endif
40
41 /*
42  *  Device addresses and parameters.
43  */
44
45 /* UART */
46 #define DUART16552_PADDR        (XCHAL_KIO_PADDR + 0x0D050020)
47
48 /* Misc. */
49 #define XTFPGA_FPGAREGS_VADDR   IOADDR(0x0D020000)
50 /* Clock frequency in Hz (read-only):  */
51 #define XTFPGA_CLKFRQ_VADDR     (XTFPGA_FPGAREGS_VADDR + 0x04)
52 /* Setting of 8 DIP switches:  */
53 #define DIP_SWITCHES_VADDR      (XTFPGA_FPGAREGS_VADDR + 0x0C)
54 /* Software reset (write 0xdead):  */
55 #define XTFPGA_SWRST_VADDR      (XTFPGA_FPGAREGS_VADDR + 0x10)
56
57 /*  OpenCores Ethernet controller:  */
58                                 /* regs + RX/TX descriptors */
59 #define OETH_REGS_PADDR         (XCHAL_KIO_PADDR + 0x0D030000)
60 #define OETH_REGS_SIZE          0x1000
61 #define OETH_SRAMBUFF_PADDR     (XCHAL_KIO_PADDR + 0x0D800000)
62
63                                 /* 5*rx buffs + 5*tx buffs */
64 #define OETH_SRAMBUFF_SIZE      (5 * 0x600 + 5 * 0x600)
65
66 #define C67X00_PADDR            (XCHAL_KIO_PADDR + 0x0D0D0000)
67 #define C67X00_SIZE             0x10
68
69 #endif /* __XTENSA_XTAVNET_HARDWARE_H */