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Linus Walleij53ec6af2011-11-09 06:16:17 +00001/*
2 * (C) Copyright 2011
3 * Linaro
4 * Linus Walleij <linus.walleij@linaro.org>
5 * Register definitions for the System Controller (SC) and
6 * the similar "CP Controller" found in the ARM Integrator/AP and
7 * Integrator/CP reference designs
8 *
Wolfgang Denkbd8ec7e2013-10-07 13:07:26 +02009 * SPDX-License-Identifier: GPL-2.0+
Linus Walleij53ec6af2011-11-09 06:16:17 +000010 */
11
12#ifndef __ARM_SC_H
13#define __ARM_SC_H
14
15#define SC_BASE 0x11000000
16
17/*
18 * The system controller registers
19 */
20#define SC_ID_OFFSET 0x00
21#define SC_OSC_OFFSET 0x04
22/* Setting this bit switches to 25 MHz mode, clear means 33 MHz */
23#define SC_OSC_DIVXY (1 << 8)
24#define SC_CTRLS_OFFSET 0x08
25#define SC_CTRLC_OFFSET 0x0C
26/* Set bits by writing CTRLS, clear bits by writing CTRLC */
27#define SC_CTRL_SOFTRESET (1 << 0)
28#define SC_CTRL_FLASHVPP (1 << 1)
29#define SC_CTRL_FLASHWP (1 << 2)
30#define SC_CTRL_UART1DTR (1 << 4)
31#define SC_CTRL_UART1RTS (1 << 5)
32#define SC_CTRL_UART0DTR (1 << 6)
33#define SC_CTRL_UART0RTS (1 << 7)
34#define SC_DEC_OFFSET 0x10
35#define SC_ARB_OFFSET 0x14
36#define SC_PCI_OFFSET 0x18
37#define SC_PCI_PCIEN (1 << 0)
38#define SC_PCI_PCIBINT_CLR (1 << 1)
39#define SC_LOCK_OFFSET 0x1C
40#define SC_LBFADDR_OFFSET 0x20
41#define SC_LBFCODE_OFFSET 0x24
42
43#define SC_ID (SC_BASE + SC_ID_OFFSET)
44#define SC_OSC (SC_BASE + SC_OSC_OFFSET)
45#define SC_CTRLS (SC_BASE + SC_CTRLS_OFFSET)
46#define SC_CTRLC (SC_BASE + SC_CTRLC_OFFSET)
47#define SC_DEC (SC_BASE + SC_DEC_OFFSET)
48#define SC_ARB (SC_BASE + SC_ARB_OFFSET)
49#define SC_PCI (SC_BASE + SC_PCI_OFFSET)
50#define SC_LOCK (SC_BASE + SC_LOCK_OFFSET)
51#define SC_LBFADDR (SC_BASE + SC_LBFADDR_OFFSET)
52#define SC_LBFCODE (SC_BASE + SC_LBFCODE_OFFSET)
53
54/*
55 * The Integrator/CP as a smaller set of registers, at a different
56 * offset - probably not to disturb old software.
57 */
58
59#define CP_BASE 0xCB000000
60
61#define CP_IDFIELD_OFFSET 0x00
62#define CP_FLASHPROG_OFFSET 0x04
63#define CP_FLASHPROG_FLVPPEN (1 << 0)
64#define CP_FLASHPROG_FLWREN (1 << 1)
65#define CP_FLASHPROG_FLASHSIZE (1 << 2)
66#define CP_FLASHPROG_EXTRABANK (1 << 3)
67#define CP_INTREG_OFFSET 0x08
68#define CP_DECODE_OFFSET 0x0C
69
70#define CP_IDFIELD (CP_BASE + CP_ID_OFFSET)
71#define CP_FLASHPROG (CP_BASE + CP_FLASHPROG_OFFSET)
72#define CP_INTREG (CP_BASE + CP_INTREG_OFFSET)
73#define CP_DECODE (CP_BASE + CP_DECODE_OFFSET)
74
75#endif