/* linux/arch/arm/mach-s3c2410/mach-bast.c * * Copyright (c) 2003 Simtec Electronics * Ben Dooks * * http://www.simtec.co.uk/products/EB2410ITX/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Modifications: * 16-May-2003 BJD Created initial version * 16-Aug-2003 BJD Fixed header files and copyright, added URL * 05-Sep-2003 BJD Moved to v2.6 kernel * 06-Jan-2003 BJD Updates for * 18-Jan-2003 BJD Added serial port configuration */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include //#include #include #include "s3c2410.h" /* macros for virtual address mods for the io space entries */ #define VA_C5(item) ((item) + BAST_VAM_CS5) #define VA_C4(item) ((item) + BAST_VAM_CS4) #define VA_C3(item) ((item) + BAST_VAM_CS3) #define VA_C2(item) ((item) + BAST_VAM_CS2) /* macros to modify the physical addresses for io space */ #define PA_CS2(item) ((item) + S3C2410_CS2) #define PA_CS3(item) ((item) + S3C2410_CS3) #define PA_CS4(item) ((item) + S3C2410_CS4) #define PA_CS5(item) ((item) + S3C2410_CS5) static struct map_desc bast_iodesc[] __initdata = { /* ISA IO areas */ { S3C2410_VA_ISA_BYTE, PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, { S3C2410_VA_ISA_WORD, PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, /* we could possibly compress the next set down into a set of smaller tables * pagetables, but that would mean using an L2 section, and it still means * we cannot actually feed the same register to an LDR due to 16K spacing */ /* bast CPLD control registers, and external interrupt controls */ { BAST_VA_CTRL1, BAST_PA_CTRL1, SZ_1M, MT_DEVICE }, { BAST_VA_CTRL2, BAST_PA_CTRL2, SZ_1M, MT_DEVICE }, { BAST_VA_CTRL3, BAST_PA_CTRL3, SZ_1M, MT_DEVICE }, { BAST_VA_CTRL4, BAST_PA_CTRL4, SZ_1M, MT_DEVICE }, /* PC104 IRQ mux */ { BAST_VA_PC104_IRQREQ, BAST_PA_PC104_IRQREQ, SZ_1M, MT_DEVICE }, { BAST_VA_PC104_IRQRAW, BAST_PA_PC104_IRQRAW, SZ_1M, MT_DEVICE }, { BAST_VA_PC104_IRQMASK, BAST_PA_PC104_IRQMASK, SZ_1M, MT_DEVICE }, /* onboard 8bit lcd port */ { BAST_VA_LCD_RCMD1, BAST_PA_LCD_RCMD1, SZ_1M, MT_DEVICE }, { BAST_VA_LCD_WCMD1, BAST_PA_LCD_WCMD1, SZ_1M, MT_DEVICE }, { BAST_VA_LCD_RDATA1, BAST_PA_LCD_RDATA1, SZ_1M, MT_DEVICE }, { BAST_VA_LCD_WDATA1, BAST_PA_LCD_WDATA1, SZ_1M, MT_DEVICE }, { BAST_VA_LCD_RCMD2, BAST_PA_LCD_RCMD2, SZ_1M, MT_DEVICE }, { BAST_VA_LCD_WCMD2, BAST_PA_LCD_WCMD2, SZ_1M, MT_DEVICE }, { BAST_VA_LCD_RDATA2, BAST_PA_LCD_RDATA2, SZ_1M, MT_DEVICE }, { BAST_VA_LCD_WDATA2, BAST_PA_LCD_WDATA2, SZ_1M, MT_DEVICE }, /* peripheral space... one for each of fast/slow/byte/16bit */ /* note, ide is only decoded in word space, even though some registers * are only 8bit */ /* slow, byte */ { VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, { VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, { VA_C2(BAST_VA_ASIXNET), PA_CS3(BAST_PA_ASIXNET), SZ_1M, MT_DEVICE }, { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, { VA_C2(BAST_VA_DM9000), PA_CS2(BAST_PA_DM9000), SZ_1M, MT_DEVICE }, { VA_C2(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE }, { VA_C2(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE }, { VA_C2(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE }, { VA_C2(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE }, /* slow, word */ { VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, { VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, { VA_C3(BAST_VA_ASIXNET), PA_CS3(BAST_PA_ASIXNET), SZ_1M, MT_DEVICE }, { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, { VA_C3(BAST_VA_DM9000), PA_CS3(BAST_PA_DM9000), SZ_1M, MT_DEVICE }, { VA_C3(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE }, { VA_C3(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE }, { VA_C3(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE }, { VA_C3(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE }, /* fast, byte */ { VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, { VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, { VA_C4(BAST_VA_ASIXNET), PA_CS5(BAST_PA_ASIXNET), SZ_1M, MT_DEVICE }, { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, { VA_C4(BAST_VA_DM9000), PA_CS4(BAST_PA_DM9000), SZ_1M, MT_DEVICE }, { VA_C4(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE }, { VA_C4(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE }, { VA_C4(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE }, { VA_C4(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE }, /* fast, word */ { VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, { VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, { VA_C5(BAST_VA_ASIXNET), PA_CS5(BAST_PA_ASIXNET), SZ_1M, MT_DEVICE }, { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, { VA_C5(BAST_VA_DM9000), PA_CS5(BAST_PA_DM9000), SZ_1M, MT_DEVICE }, { VA_C5(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE }, { VA_C5(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE }, { VA_C5(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE }, { VA_C5(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE }, }; #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE /* base baud rate for all our UARTs */ static unsigned long bast_serial_clock = 24*1000*1000; static struct s3c2410_uartcfg bast_uartcfgs[] = { [0] = { .hwport = 0, .flags = 0, .clock = &bast_serial_clock, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, }, [1] = { .hwport = 1, .flags = 0, .clock = &bast_serial_clock, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, }, /* port 2 is not actually used */ [2] = { .hwport = 2, .flags = 0, .clock = &bast_serial_clock, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, } }; void __init bast_map_io(void) { s3c2410_map_io(bast_iodesc, ARRAY_SIZE(bast_iodesc)); s3c2410_uartcfgs = bast_uartcfgs; } void __init bast_init_irq(void) { //llprintk("bast_init_irq:\n"); s3c2410_init_irq(); } MACHINE_START(BAST, "Simtec-BAST") MAINTAINER("Ben Dooks ") BOOT_MEM(S3C2410_SDRAM_PA, S3C2410_PA_UART, S3C2410_VA_UART) BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100) MAPIO(bast_map_io) INITIRQ(bast_init_irq) MACHINE_END