mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 13:22:23 +00:00
102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
|
/*
|
||
|
|
* include/asm-v850/teg.h -- NB85E-TEG cpu chip
|
||
|
|
*
|
||
|
|
* Copyright (C) 2001,02,03 NEC Electronics Corporation
|
||
|
|
* Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
|
||
|
|
*
|
||
|
|
* This file is subject to the terms and conditions of the GNU General
|
||
|
|
* Public License. See the file COPYING in the main directory of this
|
||
|
|
* archive for more details.
|
||
|
|
*
|
||
|
|
* Written by Miles Bader <miles@gnu.org>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __V850_TEG_H__
|
||
|
|
#define __V850_TEG_H__
|
||
|
|
|
||
|
|
|
||
|
|
/* The TEG uses the V850E cpu core. */
|
||
|
|
#include <asm/v850e.h>
|
||
|
|
#include <asm/v850e_cache.h>
|
||
|
|
|
||
|
|
|
||
|
|
#define CPU_MODEL "v850e/nb85e-teg"
|
||
|
|
#define CPU_MODEL_LONG "NEC V850E/NB85E TEG"
|
||
|
|
|
||
|
|
|
||
|
|
/* For <asm/entry.h> */
|
||
|
|
/* We use on-chip RAM, for a few miscellaneous variables that must be
|
||
|
|
accessible using a load instruction relative to R0. On the NB85E/TEG,
|
||
|
|
There's 60KB of iRAM starting at 0xFFFF0000, however we need the base
|
||
|
|
address to be addressable by a 16-bit signed offset, so we only use the
|
||
|
|
second half of it starting from 0xFFFF8000. */
|
||
|
|
#define R0_RAM_ADDR 0xFFFF8000
|
||
|
|
|
||
|
|
|
||
|
|
/* Hardware-specific interrupt numbers (in the kernel IRQ namespace).
|
||
|
|
Some of these are parameterized even though there's only a single
|
||
|
|
interrupt, for compatibility with some generic code that works on other
|
||
|
|
processor models. */
|
||
|
|
#define IRQ_INTCMD(n) 6 /* interval timer interrupt */
|
||
|
|
#define IRQ_INTCMD_NUM 1
|
||
|
|
#define IRQ_INTSER(n) 16 /* UART reception error */
|
||
|
|
#define IRQ_INTSER_NUM 1
|
||
|
|
#define IRQ_INTSR(n) 17 /* UART reception completion */
|
||
|
|
#define IRQ_INTSR_NUM 1
|
||
|
|
#define IRQ_INTST(n) 18 /* UART transmission completion */
|
||
|
|
#define IRQ_INTST_NUM 1
|
||
|
|
|
||
|
|
/* For <asm/irq.h> */
|
||
|
|
#define NUM_CPU_IRQS 64
|
||
|
|
|
||
|
|
|
||
|
|
/* TEG UART details. */
|
||
|
|
#define V850E_UART_BASE_ADDR(n) (0xFFFFF600 + 0x10 * (n))
|
||
|
|
#define V850E_UART_ASIM_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x0)
|
||
|
|
#define V850E_UART_ASIS_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x2)
|
||
|
|
#define V850E_UART_ASIF_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x4)
|
||
|
|
#define V850E_UART_CKSR_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x6)
|
||
|
|
#define V850E_UART_BRGC_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0x8)
|
||
|
|
#define V850E_UART_TXB_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0xA)
|
||
|
|
#define V850E_UART_RXB_ADDR(n) (V850E_UART_BASE_ADDR(n) + 0xC)
|
||
|
|
#define V850E_UART_NUM_CHANNELS 1
|
||
|
|
#define V850E_UART_BASE_FREQ CPU_CLOCK_FREQ
|
||
|
|
/* This is a function that gets called before configuring the UART. */
|
||
|
|
#define V850E_UART_PRE_CONFIGURE teg_uart_pre_configure
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
extern void teg_uart_pre_configure (unsigned chan,
|
||
|
|
unsigned cflags, unsigned baud);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/* The TEG RTPU. */
|
||
|
|
#define V850E_RTPU_BASE_ADDR 0xFFFFF210
|
||
|
|
|
||
|
|
|
||
|
|
/* TEG series timer D details. */
|
||
|
|
#define V850E_TIMER_D_BASE_ADDR 0xFFFFF210
|
||
|
|
#define V850E_TIMER_D_TMCD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x0)
|
||
|
|
#define V850E_TIMER_D_TMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x4)
|
||
|
|
#define V850E_TIMER_D_CMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x8)
|
||
|
|
#define V850E_TIMER_D_BASE_FREQ CPU_CLOCK_FREQ
|
||
|
|
|
||
|
|
|
||
|
|
/* `Interrupt Source Select' control register. */
|
||
|
|
#define TEG_ISS_ADDR 0xFFFFF7FA
|
||
|
|
#define TEG_ISS (*(volatile u8 *)TEG_ISS_ADDR)
|
||
|
|
|
||
|
|
/* Port 0 I/O register (bits 0-3 used). */
|
||
|
|
#define TEG_PORT0_IO_ADDR 0xFFFFF7F2
|
||
|
|
#define TEG_PORT0_IO (*(volatile u8 *)TEG_PORT0_IO_ADDR)
|
||
|
|
/* Port 0 control register (bits 0-3 control mode, 0 = output, 1 = input). */
|
||
|
|
#define TEG_PORT0_PM_ADDR 0xFFFFF7F4
|
||
|
|
#define TEG_PORT0_PM (*(volatile u8 *)TEG_PORT0_PM_ADDR)
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
extern void teg_init_irqs (void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* __V850_TEG_H__ */
|