integrator: add system controller header

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>

1 files changed, 91 insertions, 0 deletions

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