Break out the AP system controller and CP "CP controller" registers into a header file, it gives better overview than hardcoding its values and other disturbing practices.
Signed-off-by: Linus Walleij linus.walleij@linaro.org --- ChangeLog v1->v2: - Rebased to U-Boot ARM HEAD at Alberts request, see message 4EA1C8E7.7090105@aribaud.net ChangeLog v2->v3: - Rebased to U-Boot ARM HEAD at Alberts request, see message 4EB84700.1030109@aribaud.net --- board/armltd/integrator/integrator-sc.h | 91 +++++++++++++++++++++++++++++++ 1 files changed, 91 insertions(+), 0 deletions(-) create mode 100644 board/armltd/integrator/integrator-sc.h
diff --git a/board/armltd/integrator/integrator-sc.h b/board/armltd/integrator/integrator-sc.h new file mode 100644 index 0000000..279dc55 --- /dev/null +++ b/board/armltd/integrator/integrator-sc.h @@ -0,0 +1,91 @@ +/* + * (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 + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#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