| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-v850/teg.h -- NB85E-TEG cpu chip |
| 3 | * |
| 4 | * Copyright (C) 2001,02,03 NEC Electronics Corporation |
| 5 | * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> |
| 6 | * |
| 7 | * This file is subject to the terms and conditions of the GNU General |
| 8 | * Public License. See the file COPYING in the main directory of this |
| 9 | * archive for more details. |
| 10 | * |
| 11 | * Written by Miles Bader <miles@gnu.org> |
| 12 | */ |
| 13 | |
| 14 | #ifndef __V850_TEG_H__ |
| 15 | #define __V850_TEG_H__ |
| 16 | |
| 17 | |
| 18 | /* The TEG uses the V850E cpu core. */ |
| 19 | #include <asm/v850e.h> |
| 20 | #include <asm/v850e_cache.h> |
| 21 | |
| 22 | |
| 23 | #define CPU_MODEL "v850e/nb85e-teg" |
| 24 | #define CPU_MODEL_LONG "NEC V850E/NB85E TEG" |
| 25 | |
| 26 | |
| 27 | /* For <asm/entry.h> */ |
| 28 | /* We use on-chip RAM, for a few miscellaneous variables that must be |
| 29 | accessible using a load instruction relative to R0. On the NB85E/TEG, |
| 30 | There's 60KB of iRAM starting at 0xFFFF0000, however we need the base |
| 31 | address to be addressable by a 16-bit signed offset, so we only use the |
| 32 | second half of it starting from 0xFFFF8000. */ |
| 33 | #define R0_RAM_ADDR 0xFFFF8000 |
| 34 | |
| 35 | |
| 36 | /* Hardware-specific interrupt numbers (in the kernel IRQ namespace). |
| 37 | Some of these are parameterized even though there's only a single |
| 38 | interrupt, for compatibility with some generic code that works on other |
| 39 | processor models. */ |
| 40 | #define IRQ_INTCMD(n) 6 /* interval timer interrupt */ |
| 41 | #define IRQ_INTCMD_NUM 1 |
| 42 | #define IRQ_INTSER(n) 16 /* UART reception error */ |
| 43 | #define IRQ_INTSER_NUM 1 |
| 44 | #define IRQ_INTSR(n) 17 /* UART reception completion */ |
| 45 | #define IRQ_INTSR_NUM 1 |
| 46 | #define IRQ_INTST(n) 18 /* UART transmission completion */ |
| 47 | #define IRQ_INTST_NUM 1 |
| 48 | |
| 49 | /* For <asm/irq.h> */ |
| 50 | #define NUM_CPU_IRQS 64 |
| 51 | |
| 52 | |
| 53 | /* TEG UART details. */ |
| 54 | #define V850E_UART_BASE_ADDR(n) (0xFFFFF600 + 0x10 * (n)) |
| 55 | #define V850E_UART_ASIM_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x0) |
| 56 | #define V850E_UART_ASIS_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x2) |
| 57 | #define V850E_UART_ASIF_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x4) |
| 58 | #define V850E_UART_CKSR_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x6) |
| 59 | #define V850E_UART_BRGC_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x8) |
| 60 | #define V850E_UART_TXB_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0xA) |
| 61 | #define V850E_UART_RXB_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0xC) |
| 62 | #define V850E_UART_NUM_CHANNELS 1 |
| 63 | #define V850E_UART_BASE_FREQ CPU_CLOCK_FREQ |
| 64 | /* This is a function that gets called before configuring the UART. */ |
| 65 | #define V850E_UART_PRE_CONFIGURE teg_uart_pre_configure |
| 66 | #ifndef __ASSEMBLY__ |
| 67 | extern void teg_uart_pre_configure (unsigned chan, |
| 68 | unsigned cflags, unsigned baud); |
| 69 | #endif |
| 70 | |
| 71 | |
| 72 | /* The TEG RTPU. */ |
| 73 | #define V850E_RTPU_BASE_ADDR 0xFFFFF210 |
| 74 | |
| 75 | |
| 76 | /* TEG series timer D details. */ |
| 77 | #define V850E_TIMER_D_BASE_ADDR 0xFFFFF210 |
| 78 | #define V850E_TIMER_D_TMCD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x0) |
| 79 | #define V850E_TIMER_D_TMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x4) |
| 80 | #define V850E_TIMER_D_CMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x8) |
| 81 | #define V850E_TIMER_D_BASE_FREQ CPU_CLOCK_FREQ |
| 82 | |
| 83 | |
| 84 | /* `Interrupt Source Select' control register. */ |
| 85 | #define TEG_ISS_ADDR 0xFFFFF7FA |
| 86 | #define TEG_ISS (*(volatile u8 *)TEG_ISS_ADDR) |
| 87 | |
| 88 | /* Port 0 I/O register (bits 0-3 used). */ |
| 89 | #define TEG_PORT0_IO_ADDR 0xFFFFF7F2 |
| 90 | #define TEG_PORT0_IO (*(volatile u8 *)TEG_PORT0_IO_ADDR) |
| 91 | /* Port 0 control register (bits 0-3 control mode, 0 = output, 1 = input). */ |
| 92 | #define TEG_PORT0_PM_ADDR 0xFFFFF7F4 |
| 93 | #define TEG_PORT0_PM (*(volatile u8 *)TEG_PORT0_PM_ADDR) |
| 94 | |
| 95 | |
| 96 | #ifndef __ASSEMBLY__ |
| 97 | extern void teg_init_irqs (void); |
| 98 | #endif |
| 99 | |
| 100 | |
| 101 | #endif /* __V850_TEG_H__ */ |