diff options
Diffstat (limited to 'include/asm-v850/as85ep1.h')
| -rw-r--r-- | include/asm-v850/as85ep1.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/include/asm-v850/as85ep1.h b/include/asm-v850/as85ep1.h new file mode 100644 index 0000000..659bc910 --- /dev/null +++ b/include/asm-v850/as85ep1.h @@ -0,0 +1,158 @@ +/* + * include/asm-v850/as85ep1.h -- AS85EP1 evaluation CPU chip/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_AS85EP1_H__ +#define __V850_AS85EP1_H__ + +#include <asm/v850e.h> + + +#define CPU_MODEL "as85ep1" +#define CPU_MODEL_LONG "NEC V850E/AS85EP1" +#define PLATFORM "AS85EP1" +#define PLATFORM_LONG "NEC V850E/AS85EP1 evaluation board" + +#define CPU_CLOCK_FREQ 96000000 /* 96MHz */ +#define SYS_CLOCK_FREQ CPU_CLOCK_FREQ + + +/* 1MB of static RAM. */ +#define SRAM_ADDR 0x00400000 +#define SRAM_SIZE 0x00100000 /* 1MB */ +/* About 58MB of DRAM. This can actually be at one of two positions, + determined by jump JP3; we have to use the first position because the + second is partially out of processor instruction addressing range + (though in the second position there's actually 64MB available). */ +#define SDRAM_ADDR 0x00600000 +#define SDRAM_SIZE 0x039F8000 /* approx 58MB */ + +/* For <asm/page.h> */ +#define PAGE_OFFSET SRAM_ADDR + +/* We use on-chip RAM, for a few miscellaneous variables that must be + accessible using a load instruction relative to R0. The AS85EP1 chip + 16K of internal RAM located slightly before I/O space. */ +#define R0_RAM_ADDR 0xFFFF8000 + + +/* AS85EP1 specific control registers. */ +#define AS85EP1_CSC_ADDR(n) (0xFFFFF060 + (n) * 2) +#define AS85EP1_CSC(n) (*(volatile u16 *)AS85EP1_CSC_ADDR(n)) +#define AS85EP1_BSC_ADDR 0xFFFFF066 +#define AS85EP1_BSC (*(volatile u16 *)AS85EP1_BSC_ADDR) +#define AS85EP1_BCT_ADDR(n) (0xFFFFF480 + (n) * 2) +#define AS85EP1_BCT(n) (*(volatile u16 *)AS85EP1_BCT_ADDR(n)) +#define AS85EP1_DWC_ADDR(n) (0xFFFFF484 + (n) * 2) +#define AS85EP1_DWC(n) (*(volatile u16 *)AS85EP1_DWC_ADDR(n)) +#define AS85EP1_BCC_ADDR 0xFFFFF488 +#define AS85EP1_BCC (*(volatile u16 *)AS85EP1_BCC_ADDR) +#define AS85EP1_ASC_ADDR 0xFFFFF48A +#define AS85EP1_ASC (*(volatile u16 *)AS85EP1_ASC_ADDR) +#define AS85EP1_BCP_ADDR 0xFFFFF48C +#define AS85EP1_BCP (*(volatile u16 *)AS85EP1_BCP_ADDR) +#define AS85EP1_LBS_ADDR 0xFFFFF48E +#define AS85EP1_LBS (*(volatile u16 *)AS85EP1_LBS_ADDR) +#define AS85EP1_BMC_ADDR 0xFFFFF498 +#define AS85EP1_BMC (*(volatile u16 *)AS85EP1_BMC_ADDR) +#define AS85EP1_PRC_ADDR 0xFFFFF49A +#define AS85EP1_PRC (*(volatile u16 *)AS85EP1_PRC_ADDR) +#define AS85EP1_SCR_ADDR(n) (0xFFFFF4A0 + (n) * 4) +#define AS85EP1_SCR(n) (*(volatile u16 *)AS85EP1_SCR_ADDR(n)) +#define AS85EP1_RFS_ADDR(n) (0xFFFFF4A2 + (n) * 4) +#define AS85EP1_RFS(n) (*(volatile u16 *)AS85EP1_RFS_ADDR(n)) +#define AS85EP1_IRAMM_ADDR 0xFFFFF80A +#define AS85EP1_IRAMM (*(volatile u8 *)AS85EP1_IRAMM_ADDR) + + + +/* I/O port P0-P13. */ +/* Direct I/O. Bits 0-7 are pins Pn0-Pn7. */ +#define AS85EP1_PORT_IO_ADDR(n) (0xFFFFF400 + (n) * 2) +#define AS85EP1_PORT_IO(n) (*(volatile u8 *)AS85EP1_PORT_IO_ADDR(n)) +/* Port mode (for direct I/O, 0 = output, 1 = input). */ +#define AS85EP1_PORT_PM_ADDR(n) (0xFFFFF420 + (n) * 2) +#define AS85EP1_PORT_PM(n) (*(volatile u8 *)AS85EP1_PORT_PM_ADDR(n)) +/* Port mode control (0 = direct I/O mode, 1 = alternative I/O mode). */ +#define AS85EP1_PORT_PMC_ADDR(n) (0xFFFFF440 + (n) * 2) +#define AS85EP1_PORT_PMC(n) (*(volatile u8 *)AS85EP1_PORT_PMC_ADDR(n)) + + +/* Hardware-specific interrupt numbers (in the kernel IRQ namespace). */ +#define IRQ_INTCCC(n) (0x0C + (n)) +#define IRQ_INTCCC_NUM 8 +#define IRQ_INTCMD(n) (0x14 + (n)) /* interval timer interrupts 0-5 */ +#define IRQ_INTCMD_NUM 6 +#define IRQ_INTSRE(n) (0x1E + (n)*3) /* UART 0-1 reception error */ +#define IRQ_INTSRE_NUM 2 +#define IRQ_INTSR(n) (0x1F + (n)*3) /* UART 0-1 reception completion */ +#define IRQ_INTSR_NUM 2 +#define IRQ_INTST(n) (0x20 + (n)*3) /* UART 0-1 transmission completion */ +#define IRQ_INTST_NUM 2 + +#define NUM_CPU_IRQS 64 + +#ifndef __ASSEMBLY__ +/* Initialize chip interrupts. */ +extern void as85ep1_init_irqs (void); +#endif + + +/* AS85EP1 UART details (basically the same as the V850E/MA1, but 2 channels). */ +#define V850E_UART_NUM_CHANNELS 2 +#define V850E_UART_BASE_FREQ (SYS_CLOCK_FREQ / 4) +#define V850E_UART_CHIP_NAME "V850E/NA85E" + +/* This is a function that gets called before configuring the UART. */ +#define V850E_UART_PRE_CONFIGURE as85ep1_uart_pre_configure +#ifndef __ASSEMBLY__ +extern void as85ep1_uart_pre_configure (unsigned chan, + unsigned cflags, unsigned baud); +#endif + +/* This board supports RTS/CTS for the on-chip UART, but only for channel 1. */ + +/* CTS for UART channel 1 is pin P54 (bit 4 of port 5). */ +#define V850E_UART_CTS(chan) ((chan) == 1 ? !(AS85EP1_PORT_IO(5) & 0x10) : 1) +/* RTS for UART channel 1 is pin P53 (bit 3 of port 5). */ +#define V850E_UART_SET_RTS(chan, val) \ + do { \ + if (chan == 1) { \ + unsigned old = AS85EP1_PORT_IO(5); \ + if (val) \ + AS85EP1_PORT_IO(5) = old & ~0x8; \ + else \ + AS85EP1_PORT_IO(5) = old | 0x8; \ + } \ + } while (0) + + +/* Timer C details. */ +#define V850E_TIMER_C_BASE_ADDR 0xFFFFF600 + +/* Timer D details (the AS85EP1 actually has 5 of these; should change later). */ +#define V850E_TIMER_D_BASE_ADDR 0xFFFFF540 +#define V850E_TIMER_D_TMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x0) +#define V850E_TIMER_D_CMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x2) +#define V850E_TIMER_D_TMCD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x4) + +#define V850E_TIMER_D_BASE_FREQ SYS_CLOCK_FREQ +#define V850E_TIMER_D_TMCD_CS_MIN 2 /* min 2^2 divider */ + + +/* For <asm/param.h> */ +#ifndef HZ +#define HZ 100 +#endif + + +#endif /* __V850_AS85EP1_H__ */ |