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Tom Rini83d290c2018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Linus Walleij0a20e532011-11-09 06:16:17 +00002/*
3 * (C) Copyright 2011
4 * Linaro
5 * Linus Walleij <linus.walleij@linaro.org>
6 * Register definitions for the System Controller (SC) and
7 * the similar "CP Controller" found in the ARM Integrator/AP and
8 * Integrator/CP reference designs
Linus Walleij0a20e532011-11-09 06:16:17 +00009 */
10
11#ifndef __ARM_SC_H
12#define __ARM_SC_H
13
14#define SC_BASE 0x11000000
15
16/*
17 * The system controller registers
18 */
19#define SC_ID_OFFSET 0x00
20#define SC_OSC_OFFSET 0x04
21/* Setting this bit switches to 25 MHz mode, clear means 33 MHz */
22#define SC_OSC_DIVXY (1 << 8)
23#define SC_CTRLS_OFFSET 0x08
24#define SC_CTRLC_OFFSET 0x0C
25/* Set bits by writing CTRLS, clear bits by writing CTRLC */
26#define SC_CTRL_SOFTRESET (1 << 0)
27#define SC_CTRL_FLASHVPP (1 << 1)
28#define SC_CTRL_FLASHWP (1 << 2)
29#define SC_CTRL_UART1DTR (1 << 4)
30#define SC_CTRL_UART1RTS (1 << 5)
31#define SC_CTRL_UART0DTR (1 << 6)
32#define SC_CTRL_UART0RTS (1 << 7)
33#define SC_DEC_OFFSET 0x10
34#define SC_ARB_OFFSET 0x14
35#define SC_PCI_OFFSET 0x18
36#define SC_PCI_PCIEN (1 << 0)
37#define SC_PCI_PCIBINT_CLR (1 << 1)
38#define SC_LOCK_OFFSET 0x1C
39#define SC_LBFADDR_OFFSET 0x20
40#define SC_LBFCODE_OFFSET 0x24
41
42#define SC_ID (SC_BASE + SC_ID_OFFSET)
43#define SC_OSC (SC_BASE + SC_OSC_OFFSET)
44#define SC_CTRLS (SC_BASE + SC_CTRLS_OFFSET)
45#define SC_CTRLC (SC_BASE + SC_CTRLC_OFFSET)
46#define SC_DEC (SC_BASE + SC_DEC_OFFSET)
47#define SC_ARB (SC_BASE + SC_ARB_OFFSET)
48#define SC_PCI (SC_BASE + SC_PCI_OFFSET)
49#define SC_LOCK (SC_BASE + SC_LOCK_OFFSET)
50#define SC_LBFADDR (SC_BASE + SC_LBFADDR_OFFSET)
51#define SC_LBFCODE (SC_BASE + SC_LBFCODE_OFFSET)
52
53/*
54 * The Integrator/CP as a smaller set of registers, at a different
55 * offset - probably not to disturb old software.
56 */
57
58#define CP_BASE 0xCB000000
59
60#define CP_IDFIELD_OFFSET 0x00
61#define CP_FLASHPROG_OFFSET 0x04
62#define CP_FLASHPROG_FLVPPEN (1 << 0)
63#define CP_FLASHPROG_FLWREN (1 << 1)
64#define CP_FLASHPROG_FLASHSIZE (1 << 2)
65#define CP_FLASHPROG_EXTRABANK (1 << 3)
66#define CP_INTREG_OFFSET 0x08
67#define CP_DECODE_OFFSET 0x0C
68
69#define CP_IDFIELD (CP_BASE + CP_ID_OFFSET)
70#define CP_FLASHPROG (CP_BASE + CP_FLASHPROG_OFFSET)
71#define CP_INTREG (CP_BASE + CP_INTREG_OFFSET)
72#define CP_DECODE (CP_BASE + CP_DECODE_OFFSET)
73
74#endif