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Diffstat (limited to 'include/asm-v850/teg.h')
| -rw-r--r-- | include/asm-v850/teg.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/include/asm-v850/teg.h b/include/asm-v850/teg.h new file mode 100644 index 0000000..acc8c7d --- /dev/null +++ b/include/asm-v850/teg.h @@ -0,0 +1,101 @@ +/* + * 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__ */ |
