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Diffstat (limited to 'include/asm-arm/arch-omap/tc.h')
| -rw-r--r-- | include/asm-arm/arch-omap/tc.h | 108 |
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 00000000000..8ded218cbea --- /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 */ |