| /* |
| * arch/arm/mach-at91/include/mach/at91_dbgu.h |
| * |
| * Copyright (C) 2005 Ivan Kokshaysky |
| * Copyright (C) SAN People |
| * |
| * Debug Unit (DBGU) - System peripherals registers. |
| * Based on AT91RM9200 datasheet revision E. |
| * |
| * 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. |
| */ |
| |
| #ifndef AT91_DBGU_H |
| #define AT91_DBGU_H |
| |
| #define dbgu_readl(dbgu, field) \ |
| __raw_readl(AT91_VA_BASE_SYS + dbgu + AT91_DBGU_ ## field) |
| |
| #ifdef AT91_DBGU |
| #define AT91_DBGU_CR (0x00) /* Control Register */ |
| #define AT91_DBGU_MR (0x04) /* Mode Register */ |
| #define AT91_DBGU_IER (0x08) /* Interrupt Enable Register */ |
| #define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */ |
| #define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */ |
| #define AT91_DBGU_IDR (0x0c) /* Interrupt Disable Register */ |
| #define AT91_DBGU_IMR (0x10) /* Interrupt Mask Register */ |
| #define AT91_DBGU_SR (0x14) /* Status Register */ |
| #define AT91_DBGU_RHR (0x18) /* Receiver Holding Register */ |
| #define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */ |
| #define AT91_DBGU_BRGR (0x20) /* Baud Rate Generator Register */ |
| |
| #define AT91_DBGU_CIDR (0x40) /* Chip ID Register */ |
| #define AT91_DBGU_EXID (0x44) /* Chip ID Extension Register */ |
| #define AT91_DBGU_FNR (0x48) /* Force NTRST Register [SAM9 only] */ |
| #define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */ |
| |
| #endif /* AT91_DBGU */ |
| |
| /* |
| * Some AT91 parts that don't have full DEBUG units still support the ID |
| * and extensions register. |
| */ |
| #define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */ |
| #define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */ |
| #define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */ |
| #define AT91_CIDR_NVPSIZ2 (0xf << 12) /* Second Nonvolatile Program Memory Size */ |
| #define AT91_CIDR_SRAMSIZ (0xf << 16) /* Internal SRAM Size */ |
| #define AT91_CIDR_SRAMSIZ_1K (1 << 16) |
| #define AT91_CIDR_SRAMSIZ_2K (2 << 16) |
| #define AT91_CIDR_SRAMSIZ_112K (4 << 16) |
| #define AT91_CIDR_SRAMSIZ_4K (5 << 16) |
| #define AT91_CIDR_SRAMSIZ_80K (6 << 16) |
| #define AT91_CIDR_SRAMSIZ_160K (7 << 16) |
| #define AT91_CIDR_SRAMSIZ_8K (8 << 16) |
| #define AT91_CIDR_SRAMSIZ_16K (9 << 16) |
| #define AT91_CIDR_SRAMSIZ_32K (10 << 16) |
| #define AT91_CIDR_SRAMSIZ_64K (11 << 16) |
| #define AT91_CIDR_SRAMSIZ_128K (12 << 16) |
| #define AT91_CIDR_SRAMSIZ_256K (13 << 16) |
| #define AT91_CIDR_SRAMSIZ_96K (14 << 16) |
| #define AT91_CIDR_SRAMSIZ_512K (15 << 16) |
| #define AT91_CIDR_ARCH (0xff << 20) /* Architecture Identifier */ |
| #define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */ |
| #define AT91_CIDR_EXT (1 << 31) /* Extension Flag */ |
| |
| #endif |
