1 files changed, 108 insertions, 0 deletions

diff --git a/include/asm-arm/arch-omap/tc.h b/include/asm-arm/arch-omap/tc.h
new file mode 100644
index 000000000000..8ded218cbea5
--- /dev/null
+++ b/include/asm-arm/arch-omap/tc.h
@@ -0,0 +1,108 @@
+/*
+ * linux/include/asm-arm/arch-omap/tc.h
+ *
+ * OMAP Traffic Controller
+ *
+ * Copyright (C) 2004 Nokia Corporation
+ * Author: Imre Deak <imre.deak@nokia.com>
+ *
+ * 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 __ASM_ARCH_TC_H
+#define __ASM_ARCH_TC_H
+
+#define TCMIF_BASE              0xfffecc00
+#define OMAP_TC_OCPT1_PRIOR     (TCMIF_BASE + 0x00)
+#define OMAP_TC_EMIFS_PRIOR     (TCMIF_BASE + 0x04)
+#define OMAP_TC_EMIFF_PRIOR     (TCMIF_BASE + 0x08)
+#define EMIFS_CONFIG            (TCMIF_BASE + 0x0c)
+#define EMIFS_CS0_CONFIG        (TCMIF_BASE + 0x10)
+#define EMIFS_CS1_CONFIG        (TCMIF_BASE + 0x14)
+#define EMIFS_CS2_CONFIG        (TCMIF_BASE + 0x18)
+#define EMIFS_CS3_CONFIG        (TCMIF_BASE + 0x1c)
+#define EMIFF_SDRAM_CONFIG      (TCMIF_BASE + 0x20)
+#define EMIFF_MRS               (TCMIF_BASE + 0x24)
+#define TC_TIMEOUT1             (TCMIF_BASE + 0x28)
+#define TC_TIMEOUT2             (TCMIF_BASE + 0x2c)
+#define TC_TIMEOUT3             (TCMIF_BASE + 0x30)
+#define TC_ENDIANISM            (TCMIF_BASE + 0x34)
+#define EMIFF_SDRAM_CONFIG_2    (TCMIF_BASE + 0x3c)
+#define EMIF_CFG_DYNAMIC_WS     (TCMIF_BASE + 0x40)
+#define EMIFS_ACS0              (TCMIF_BASE + 0x50)
+#define EMIFS_ACS1              (TCMIF_BASE + 0x54)
+#define EMIFS_ACS2              (TCMIF_BASE + 0x58)
+#define EMIFS_ACS3              (TCMIF_BASE + 0x5c)
+#define OMAP_TC_OCPT2_PRIOR     (TCMIF_BASE + 0xd0)
+
+/* external EMIFS chipselect regions */
+#define OMAP_CS0_PHYS           0x00000000
+#define OMAP_CS0_SIZE           SZ_64M
+
+#define OMAP_CS1_PHYS           0x04000000
+#define OMAP_CS1_SIZE           SZ_64M
+
+#define OMAP_CS1A_PHYS          OMAP_CS1_PHYS
+#define OMAP_CS1A_SIZE          SZ_32M
+
+#define OMAP_CS1B_PHYS          (OMAP_CS1A_PHYS + OMAP_CS1A_SIZE)
+#define OMAP_CS1B_SIZE          SZ_32M
+
+#define OMAP_CS2_PHYS           0x08000000
+#define OMAP_CS2_SIZE           SZ_64M
+
+#define OMAP_CS2A_PHYS          OMAP_CS2_PHYS
+#define OMAP_CS2A_SIZE          SZ_32M
+
+#define OMAP_CS2B_PHYS          (OMAP_CS2A_PHYS + OMAP_CS2A_SIZE)
+#define OMAP_CS2B_SIZE          SZ_32M
+
+#define OMAP_CS3_PHYS           0x0c000000
+#define OMAP_CS3_SIZE           SZ_64M
+
+#ifndef __ASSEMBLER__
+
+/* EMIF Slow Interface Configuration Register */
+#define OMAP_EMIFS_CONFIG_REG   __REG32(EMIFS_CONFIG)
+
+#define OMAP_EMIFS_CONFIG_FR            (1 << 4)
+#define OMAP_EMIFS_CONFIG_PDE           (1 << 3)
+#define OMAP_EMIFS_CONFIG_PWD_EN        (1 << 2)
+#define OMAP_EMIFS_CONFIG_BM            (1 << 1)
+#define OMAP_EMIFS_CONFIG_WP            (1 << 0)
+
+#define EMIFS_CCS(n)            __REG32(EMIFS_CS0_CONFIG + (4 * (n)))
+#define EMIFS_ACS(n)            __REG32(EMIFS_ACS0 + (4 * (n)))
+
+/* Almost all documentation for chip and board memory maps assumes
+ * BM is clear.  Most devel boards have a switch to control booting
+ * from NOR flash (using external chipselect 3) rather than mask ROM,
+ * which uses BM to interchange the physical CS0 and CS3 addresses.
+ */
+static inline u32 omap_cs0_phys(void)
+{
+        return (OMAP_EMIFS_CONFIG_REG & OMAP_EMIFS_CONFIG_BM)
+                        ?  OMAP_CS3_PHYS : 0;
+}
+
+static inline u32 omap_cs3_phys(void)
+{
+        return (OMAP_EMIFS_CONFIG_REG & OMAP_EMIFS_CONFIG_BM)
+                        ? 0 : OMAP_CS3_PHYS;
+}
+
+#endif  /* __ASSEMBLER__ */
+
+#endif  /* __ASM_ARCH_TC_H */