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/*
* (C) Copyright 2011
* Linaro
* Linus Walleij <linus.walleij@linaro.org>
* Register definitions for the System Controller (SC) and
* the similar "CP Controller" found in the ARM Integrator/AP and
* Integrator/CP reference designs
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ARM_SC_H
#define __ARM_SC_H
#define SC_BASE 0x11000000
/*
* The system controller registers
*/
#define SC_ID_OFFSET 0x00
#define SC_OSC_OFFSET 0x04
/* Setting this bit switches to 25 MHz mode, clear means 33 MHz */
#define SC_OSC_DIVXY (1 << 8)
#define SC_CTRLS_OFFSET 0x08
#define SC_CTRLC_OFFSET 0x0C
/* Set bits by writing CTRLS, clear bits by writing CTRLC */
#define SC_CTRL_SOFTRESET (1 << 0)
#define SC_CTRL_FLASHVPP (1 << 1)
#define SC_CTRL_FLASHWP (1 << 2)
#define SC_CTRL_UART1DTR (1 << 4)
#define SC_CTRL_UART1RTS (1 << 5)
#define SC_CTRL_UART0DTR (1 << 6)
#define SC_CTRL_UART0RTS (1 << 7)
#define SC_DEC_OFFSET 0x10
#define SC_ARB_OFFSET 0x14
#define SC_PCI_OFFSET 0x18
#define SC_PCI_PCIEN (1 << 0)
#define SC_PCI_PCIBINT_CLR (1 << 1)
#define SC_LOCK_OFFSET 0x1C
#define SC_LBFADDR_OFFSET 0x20
#define SC_LBFCODE_OFFSET 0x24
#define SC_ID (SC_BASE + SC_ID_OFFSET)
#define SC_OSC (SC_BASE + SC_OSC_OFFSET)
#define SC_CTRLS (SC_BASE + SC_CTRLS_OFFSET)
#define SC_CTRLC (SC_BASE + SC_CTRLC_OFFSET)
#define SC_DEC (SC_BASE + SC_DEC_OFFSET)
#define SC_ARB (SC_BASE + SC_ARB_OFFSET)
#define SC_PCI (SC_BASE + SC_PCI_OFFSET)
#define SC_LOCK (SC_BASE + SC_LOCK_OFFSET)
#define SC_LBFADDR (SC_BASE + SC_LBFADDR_OFFSET)
#define SC_LBFCODE (SC_BASE + SC_LBFCODE_OFFSET)
/*
* The Integrator/CP as a smaller set of registers, at a different
* offset - probably not to disturb old software.
*/
#define CP_BASE 0xCB000000
#define CP_IDFIELD_OFFSET 0x00
#define CP_FLASHPROG_OFFSET 0x04
#define CP_FLASHPROG_FLVPPEN (1 << 0)
#define CP_FLASHPROG_FLWREN (1 << 1)
#define CP_FLASHPROG_FLASHSIZE (1 << 2)
#define CP_FLASHPROG_EXTRABANK (1 << 3)
#define CP_INTREG_OFFSET 0x08
#define CP_DECODE_OFFSET 0x0C
#define CP_IDFIELD (CP_BASE + CP_ID_OFFSET)
#define CP_FLASHPROG (CP_BASE + CP_FLASHPROG_OFFSET)
#define CP_INTREG (CP_BASE + CP_INTREG_OFFSET)
#define CP_DECODE (CP_BASE + CP_DECODE_OFFSET)
#endif
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