/* * 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 */ #endif /* __V850_AS85EP1_H__ */