| /* |
| * Matrix-centric header file for the AT91SAM9N12 |
| * |
| * Copyright (C) 2012 Atmel Corporation. |
| * |
| * Only EBI related registers. |
| * Write Protect register definitions may be useful. |
| * |
| * Licensed under GPLv2 or later. |
| */ |
| |
| #ifndef _AT91SAM9N12_MATRIX_H_ |
| #define _AT91SAM9N12_MATRIX_H_ |
| |
| #define AT91_MATRIX_EBICSA (AT91_MATRIX + 0x118) /* EBI Chip Select Assignment Register */ |
| #define AT91_MATRIX_EBI_CS1A (1 << 1) /* Chip Select 1 Assignment */ |
| #define AT91_MATRIX_EBI_CS1A_SMC (0 << 1) |
| #define AT91_MATRIX_EBI_CS1A_SDRAMC (1 << 1) |
| #define AT91_MATRIX_EBI_CS3A (1 << 3) /* Chip Select 3 Assignment */ |
| #define AT91_MATRIX_EBI_CS3A_SMC (0 << 3) |
| #define AT91_MATRIX_EBI_CS3A_SMC_NANDFLASH (1 << 3) |
| #define AT91_MATRIX_EBI_DBPUC (1 << 8) /* Data Bus Pull-up Configuration */ |
| #define AT91_MATRIX_EBI_DBPU_ON (0 << 8) |
| #define AT91_MATRIX_EBI_DBPU_OFF (1 << 8) |
| #define AT91_MATRIX_EBI_VDDIOMSEL (1 << 16) /* Memory voltage selection */ |
| #define AT91_MATRIX_EBI_VDDIOMSEL_1_8V (0 << 16) |
| #define AT91_MATRIX_EBI_VDDIOMSEL_3_3V (1 << 16) |
| #define AT91_MATRIX_EBI_EBI_IOSR (1 << 17) /* EBI I/O slew rate selection */ |
| #define AT91_MATRIX_EBI_EBI_IOSR_REDUCED (0 << 17) |
| #define AT91_MATRIX_EBI_EBI_IOSR_NORMAL (1 << 17) |
| #define AT91_MATRIX_EBI_DDR_IOSR (1 << 18) /* DDR2 dedicated port I/O slew rate selection */ |
| #define AT91_MATRIX_EBI_DDR_IOSR_REDUCED (0 << 18) |
| #define AT91_MATRIX_EBI_DDR_IOSR_NORMAL (1 << 18) |
| #define AT91_MATRIX_NFD0_SELECT (1 << 24) /* NAND Flash Data Bus Selection */ |
| #define AT91_MATRIX_NFD0_ON_D0 (0 << 24) |
| #define AT91_MATRIX_NFD0_ON_D16 (1 << 24) |
| #define AT91_MATRIX_DDR_MP_EN (1 << 25) /* DDR Multi-port Enable */ |
| #define AT91_MATRIX_MP_OFF (0 << 25) |
| #define AT91_MATRIX_MP_ON (1 << 25) |
| |
| #define AT91_MATRIX_WPMR (AT91_MATRIX + 0x1E4) /* Write Protect Mode Register */ |
| #define AT91_MATRIX_WPMR_WPEN (1 << 0) /* Write Protect ENable */ |
| #define AT91_MATRIX_WPMR_WP_WPDIS (0 << 0) |
| #define AT91_MATRIX_WPMR_WP_WPEN (1 << 0) |
| #define AT91_MATRIX_WPMR_WPKEY (0xFFFFFF << 8) /* Write Protect KEY */ |
| |
| #define AT91_MATRIX_WPSR (AT91_MATRIX + 0x1E8) /* Write Protect Status Register */ |
| #define AT91_MATRIX_WPSR_WPVS (1 << 0) /* Write Protect Violation Status */ |
| #define AT91_MATRIX_WPSR_NO_WPV (0 << 0) |
| #define AT91_MATRIX_WPSR_WPV (1 << 0) |
| #define AT91_MATRIX_WPSR_WPVSRC (0xFFFF << 8) /* Write Protect Violation Source */ |
| |
| #endif |
