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