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authorLinus Walleij <linus.walleij@linaro.org>2011-11-09 06:16:17 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-11-10 15:27:18 +0100
commit0a20e534e9a8a0ef1376e1fe81f426d343fe0ca2 (patch)
tree4b6ed0049128cfcc90a3c8f773f279401f16dac5 /board/armltd
parent701ed16e23c2c9c11ea26ea57e037f7833bb00ba (diff)
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>
Diffstat (limited to 'board/armltd')
-rw-r--r--board/armltd/integrator/integrator-sc.h91
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 0000000000..279dc55b37
--- /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