diff options
Diffstat (limited to 'include/asm-v850/rte_ma1_cb.h')
| -rw-r--r-- | include/asm-v850/rte_ma1_cb.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/include/asm-v850/rte_ma1_cb.h b/include/asm-v850/rte_ma1_cb.h new file mode 100644 index 000000000000..bd3162ab9844 --- /dev/null +++ b/include/asm-v850/rte_ma1_cb.h @@ -0,0 +1,128 @@ +/* + * include/asm-v850/rte_ma1_cb.h -- Midas labs RTE-V850/MA1-CB board + * + * 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_RTE_MA1_CB_H__ +#define __V850_RTE_MA1_CB_H__ + +#include <asm/rte_cb.h> /* Common defs for Midas RTE-CB boards. */ + + +#define PLATFORM "rte-v850e/ma1-cb" +#define PLATFORM_LONG "Midas lab RTE-V850E/MA1-CB" + +#define CPU_CLOCK_FREQ 50000000 /* 50MHz */ + +/* 1MB of onboard SRAM. Note that the monitor ROM uses parts of this + for its own purposes, so care must be taken. Some address lines are + not decoded, so the SRAM area is mirrored every 1MB from 0x400000 to + 0x800000 (exclusive). */ +#define SRAM_ADDR 0x00400000 +#define SRAM_SIZE 0x00100000 /* 1MB */ + +/* 32MB of onbard SDRAM. */ +#define SDRAM_ADDR 0x00800000 +#define SDRAM_SIZE 0x02000000 /* 32MB */ + + +/* CPU addresses of GBUS memory spaces. */ +#define GCS0_ADDR 0x05000000 /* GCS0 - Common SRAM (2MB) */ +#define GCS0_SIZE 0x00200000 /* 2MB */ +#define GCS1_ADDR 0x06000000 /* GCS1 - Flash ROM (8MB) */ +#define GCS1_SIZE 0x00800000 /* 8MB */ +#define GCS2_ADDR 0x07900000 /* GCS2 - I/O registers */ +#define GCS2_SIZE 0x00400000 /* 4MB */ +#define GCS5_ADDR 0x04000000 /* GCS5 - PCI bus space */ +#define GCS5_SIZE 0x01000000 /* 16MB */ +#define GCS6_ADDR 0x07980000 /* GCS6 - PCI control registers */ +#define GCS6_SIZE 0x00000200 /* 512B */ + + +/* For <asm/page.h> */ +#define PAGE_OFFSET SRAM_ADDR + + +/* The GBUS GINT0 - GINT3 interrupts are connected to the INTP000 - INTP011 + pins on the CPU. These are shared among the GBUS interrupts. */ +#define IRQ_GINT(n) IRQ_INTP(n) +#define IRQ_GINT_NUM 4 + +/* Used by <asm/rte_cb.h> to derive NUM_MACH_IRQS. */ +#define NUM_RTE_CB_IRQS NUM_CPU_IRQS + + +#ifdef CONFIG_ROM_KERNEL +/* Kernel is in ROM, starting at address 0. */ + +#define INTV_BASE 0 + +#else /* !CONFIG_ROM_KERNEL */ + +#ifdef CONFIG_RTE_CB_MULTI +/* Using RAM kernel with ROM monitor for Multi debugger. */ + +/* The chip's real interrupt vectors are in ROM, but they jump to a + secondary interrupt vector table in RAM. */ +#define INTV_BASE 0x004F8000 + +/* Scratch memory used by the ROM monitor, which shouldn't be used by + linux (except for the alternate interrupt vector area, defined + above). */ +#define MON_SCRATCH_ADDR 0x004F8000 +#define MON_SCRATCH_SIZE 0x00008000 /* 32KB */ + +#else /* !CONFIG_RTE_CB_MULTI */ +/* Using RAM-kernel. Assume some sort of boot-loader got us loaded at + address 0. */ + +#define INTV_BASE 0 + +#endif /* CONFIG_RTE_CB_MULTI */ + +#endif /* CONFIG_ROM_KERNEL */ + + +/* Some misc. on-board devices. */ + +/* Seven-segment LED display (two digits). Write-only. */ +#define LED_ADDR(n) (0x07802000 + (n)) +#define LED(n) (*(volatile unsigned char *)LED_ADDR(n)) +#define LED_NUM_DIGITS 2 + + +/* Override the basic MA uart pre-initialization so that we can + initialize extra stuff. */ +#undef V850E_UART_PRE_CONFIGURE /* should be defined by <asm/ma.h> */ +#define V850E_UART_PRE_CONFIGURE rte_ma1_cb_uart_pre_configure +#ifndef __ASSEMBLY__ +extern void rte_ma1_cb_uart_pre_configure (unsigned chan, + unsigned cflags, unsigned baud); +#endif + +/* This board supports RTS/CTS for the on-chip UART, but only for channel 0. */ + +/* CTS for UART channel 0 is pin P43 (bit 3 of port 4). */ +#define V850E_UART_CTS(chan) ((chan) == 0 ? !(MA_PORT4_IO & 0x8) : 1) +/* RTS for UART channel 0 is pin P42 (bit 2 of port 4). */ +#define V850E_UART_SET_RTS(chan, val) \ + do { \ + if (chan == 0) { \ + unsigned old = MA_PORT4_IO; \ + if (val) \ + MA_PORT4_IO = old & ~0x4; \ + else \ + MA_PORT4_IO = old | 0x4; \ + } \ + } while (0) + + +#endif /* __V850_RTE_MA1_CB_H__ */ |