| Linus Walleij | 0a20e53 | 2011-11-09 06:16:17 +0000 | [diff] [blame] | 1 | /* |
| 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 Denk | 3765b3e | 2013-10-07 13:07:26 +0200 | [diff] [blame] | 9 | * SPDX-License-Identifier: GPL-2.0+ |
| Linus Walleij | 0a20e53 | 2011-11-09 06:16:17 +0000 | [diff] [blame] | 10 | */ |
| 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 |