Index: include/nand_ids.h =================================================================== --- include/nand_ids.h (.../tags/at91bootstrap-1.14) (revision 20) +++ include/nand_ids.h (.../branches/agama9263-1.14) (revision 20) @@ -43,6 +43,7 @@ {0x2cda, 0x800, 0x20000, 0x800, 0x40, 0x0, "MT29F2G08AAC\0"}, {0x20aa, 0x800, 0x20000, 0x800, 0x40, 0x0, "STMNAND02GR3B\0"}, {0x2caa, 0x800, 0x20000, 0x800, 0x40, 0x0, "MT29F2G08ABD\0"}, + {0x20da, 0x800, 0x20000, 0x800, 0x40, 0x0, "Numonyx NAND02GW3B2D 256Mb\0"}, {0,} }; Index: include/debug.h =================================================================== --- include/debug.h (.../tags/at91bootstrap-1.14) (revision 20) +++ include/debug.h (.../branches/agama9263-1.14) (revision 20) @@ -34,11 +34,14 @@ #ifndef _DEBUG_H_ #define _DEBUG_H_ +#if 0 #define BAUDRATE(mck, baud) \ (((((mck) * 10) / ((baud) * 16)) % 10) >= 5) ? \ (mck / (baud * 16) + 1) : ((mck) / (baud * 16)) +#endif /* Global functions */ +extern unsigned int BAUDRATE(unsigned long mck, unsigned long baud); extern void dbg_init(unsigned int); extern void dbg_print(const char *ptr); Index: main.c =================================================================== --- main.c (.../tags/at91bootstrap-1.14) (revision 20) +++ main.c (.../branches/agama9263-1.14) (revision 20) @@ -37,6 +37,10 @@ #include "include/nandflash.h" #include "include/norflash.h" +#ifdef CFG_USER_PREJUMP_HANDLER +extern void prejump_handler(void); +#endif + /*------------------------------------------------------------------------------*/ /* Function Name : main */ /* Object : Main function */ @@ -79,6 +83,10 @@ linux_arg(LINUX_ARG); /* NOT IMPLEMENTED YET */ #endif /* LINUX_ARG */ +#ifdef CFG_USER_PREJUMP_HANDLER + prejump_handler(); +#endif + /* Jump to the Image Address */ return JUMP_ADDR; } Index: board/at91sam9263ek/nandflash/at91sam9263ek.h =================================================================== --- board/at91sam9263ek/nandflash/at91sam9263ek.h (.../tags/at91bootstrap-1.14) (revision 20) +++ board/at91sam9263ek/nandflash/at91sam9263ek.h (.../branches/agama9263-1.14) (revision 20) @@ -113,7 +113,12 @@ /* ******************************************************************* */ /* Application Settings */ /* ******************************************************************* */ -#undef CFG_DEBUG +#define CFG_DEBUG 1 +#define CFG_DEBUG_USART0 1 +#undef CFG_DEBUG_USART1 +#undef CFG_DEBUG_USART2 +#undef CFG_DEBUG_USART3 + #undef CFG_DATAFLASH #define CFG_NANDFLASH Index: board/agama9263/agama9263.c =================================================================== --- board/agama9263/agama9263.c (.../tags/at91bootstrap-1.14) (revision 0) +++ board/agama9263/agama9263.c (.../branches/agama9263-1.14) (revision 20) @@ -0,0 +1,213 @@ +/* + * Machine configuration for Agama9263 board + * + * derived from at91sam9263ek.c + * Copyright (c) 2006, Atmel Corporation + + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaiimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "../../include/part.h" +#include "../../include/gpio.h" +#include "../../include/pmc.h" +#include "../../include/debug.h" +#include "../../include/sdramc.h" +#include "../../include/main.h" +#ifdef CFG_NANDFLASH +#include "../../include/nandflash.h" +#else +#error "This machine only supports nandflash" +#endif + +static inline unsigned int get_cp15(void) +{ + unsigned int value; + __asm__("mrc p15, 0, %0, c1, c0, 0" : "=r" (value)); + return value; +} + +static inline void set_cp15(unsigned int value) +{ + __asm__("mcr p15, 0, %0, c1, c0, 0" : : "r" (value)); +} + + +#ifdef CFG_HW_INIT +void hw_init(void) +{ + /* Configure PIOs */ + const struct pio_desc hw_pio[] = { +#ifdef CFG_DEBUG +#if defined(CFG_DEBUG_USART0) + {"TXD", AT91C_PIN_PA(26), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"RXD", AT91C_PIN_PA(27), 0, PIO_DEFAULT, PIO_PERIPH_A}, +#elif defined(CFG_DEBUG_USART1) + {"TXD", AT91C_PIN_PD(0), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"RXD", AT91C_PIN_PD(1), 0, PIO_DEFAULT, PIO_PERIPH_A}, +#elif defined(CFG_DEBUG_USART2) + {"TXD", AT91C_PIN_PD(2), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"RXD", AT91C_PIN_PD(3), 0, PIO_DEFAULT, PIO_PERIPH_A}, +#else + {"TXD", AT91C_PIN_PC(31), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"RXD", AT91C_PIN_PC(30), 0, PIO_DEFAULT, PIO_PERIPH_A}, +#endif +#endif + {"DS1", AT91C_PIN_PB(8), 0, PIO_DEFAULT, PIO_OUTPUT}, + {"DS2", AT91C_PIN_PC(29), 0, PIO_DEFAULT, PIO_OUTPUT}, + {(char *) 0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A}, + }; + + /* Disable watchdog */ + writel(AT91C_WDTC_WDDIS, AT91C_BASE_WDTC + WDTC_WDMR); + + /* At this stage the main oscillator is supposed to be enabled + * PCK = MCK = MOSC */ + + /* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */ + pmc_cfg_plla(PLLA_SETTINGS, PLL_LOCK_TIMEOUT); + + /* PCK = PLLA = 2 * MCK */ + pmc_cfg_mck(MCKR_SETTINGS, PLL_LOCK_TIMEOUT); + /* Switch MCK on PLLA output */ + pmc_cfg_mck(MCKR_CSS_SETTINGS, PLL_LOCK_TIMEOUT); + + + /* Configure PLLB */ + pmc_cfg_pllb(PLLB_SETTINGS, PLL_LOCK_TIMEOUT); + + /* Configure the PIO controller to output PCK0 */ + pio_setup(hw_pio); + pio_set_value(AT91C_PIN_PB(8), 1); + pio_set_value(AT91C_PIN_PB(8), 0); + pio_set_value(AT91C_PIN_PB(8), 1); + + /* Configure the EBI0 Slave Slot Cycle to 64 */ + writel( (readl((AT91C_BASE_MATRIX + MATRIX_SCFG4)) & ~0xFF) | 0x40, (AT91C_BASE_MATRIX + MATRIX_SCFG4)); + +#ifdef CFG_DEBUG + /* Enable Debug messages on the DBGU */ + dbg_init(BAUDRATE(MASTER_CLOCK, 115200)); + dbg_print("Start AT91Bootstrap...\n\r"); +#endif /* CFG_DEBUG */ + +#ifdef CFG_SDRAM + /* Initialize the matrix */ + /* VDDIOMSEL = 1 -> Memories are 3.3V powered */ + writel(readl(AT91C_BASE_CCFG + CCFG_EBI0CSA) | (1 << 16) | AT91C_EBI_CS1A_SDRAMC, AT91C_BASE_CCFG + CCFG_EBI0CSA); + + /* Configure SDRAM Controller */ + sdram_init( AT91C_SDRAMC_NC_9 | + AT91C_SDRAMC_NR_12 | + AT91C_SDRAMC_CAS_2 | + AT91C_SDRAMC_NB_4_BANKS | + AT91C_SDRAMC_DBW_32_BITS | + AT91C_SDRAMC_TWR_2 | + AT91C_SDRAMC_TRC_7 | + AT91C_SDRAMC_TRP_2 | + AT91C_SDRAMC_TRCD_2 | + AT91C_SDRAMC_TRAS_5 | + AT91C_SDRAMC_TXSR_8, /* Control Register */ + AT91C_SDRAMC_REFRESH, /* Refresh Timer Register */ + AT91C_SDRAMC_MD_SDRAM); /* SDRAM (no low power) */ +#endif /* CFG_SDRAM */ +} +#endif /* CFG_HW_INIT */ + + +#ifdef CFG_SDRAM +void sdramc_hw_init(void) +{ + /* Configure PIOs */ + const struct pio_desc sdramc_pio[] = { + {"D16", AT91C_PIN_PD(16), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D17", AT91C_PIN_PD(17), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D18", AT91C_PIN_PD(18), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D19", AT91C_PIN_PD(19), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D20", AT91C_PIN_PD(20), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D21", AT91C_PIN_PD(21), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D22", AT91C_PIN_PD(22), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D23", AT91C_PIN_PD(23), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D24", AT91C_PIN_PD(24), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D25", AT91C_PIN_PD(25), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D26", AT91C_PIN_PD(26), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D27", AT91C_PIN_PD(27), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D28", AT91C_PIN_PD(28), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D29", AT91C_PIN_PD(29), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D30", AT91C_PIN_PD(30), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {"D31", AT91C_PIN_PD(31), 0, PIO_DEFAULT, PIO_PERIPH_A}, + {(char *) 0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A}, + }; + + /* Configure the SDRAMC PIO controller */ + pio_setup(sdramc_pio); +} +#endif + +#ifdef CFG_NANDFLASH +void nandflash_hw_init(void) +{ + /* Configure PIOs */ + const struct pio_desc nand_pio[] = { + {"RDY_BSY", AT91C_PIN_PA(22), 0, PIO_PULLUP, PIO_INPUT}, + {"NANDCS", AT91C_PIN_PD(15), 0, PIO_PULLUP, PIO_OUTPUT}, + {(char *) 0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A}, + }; + + /* Setup Smart Media, first enable the address range of CS3 in HMATRIX user interface */ + writel(readl(AT91C_BASE_CCFG + CCFG_EBI0CSA) | AT91C_EBI_CS3A_SM, AT91C_BASE_CCFG + CCFG_EBI0CSA); + + /* Configure SMC CS3 */ + writel((AT91C_SM_NWE_SETUP | AT91C_SM_NCS_WR_SETUP | AT91C_SM_NRD_SETUP | AT91C_SM_NCS_RD_SETUP), AT91C_BASE_SMC0 + SMC_SETUP3); + writel((AT91C_SM_NWE_PULSE | AT91C_SM_NCS_WR_PULSE | AT91C_SM_NRD_PULSE | AT91C_SM_NCS_RD_PULSE), AT91C_BASE_SMC0 + SMC_PULSE3); + writel((AT91C_SM_NWE_CYCLE | AT91C_SM_NRD_CYCLE) , AT91C_BASE_SMC0 + SMC_CYCLE3); + writel((AT91C_SMC_READMODE | AT91C_SMC_WRITEMODE | AT91C_SMC_NWAITM_NWAIT_DISABLE | + AT91C_SMC_DBW_WIDTH_SIXTEEN_BITS | AT91C_SM_TDF) , AT91C_BASE_SMC0 + SMC_CTRL3); + + /* Configure the PIO controller */ + writel((1 << AT91C_ID_PIOA), PMC_PCER + AT91C_BASE_PMC); + writel((1 << AT91C_ID_PIOCDE), PMC_PCER + AT91C_BASE_PMC); + + pio_setup(nand_pio); +} + +void nandflash_cfg_16bits_dbw_init(void) +{ + writel(readl(AT91C_BASE_SMC0 + SMC_CTRL3) | AT91C_SMC_DBW_WIDTH_SIXTEEN_BITS, AT91C_BASE_SMC0 + SMC_CTRL3); +} + +void nandflash_cfg_8bits_dbw_init(void) +{ + writel((readl(AT91C_BASE_SMC0 + SMC_CTRL3) & ~(AT91C_SMC_DBW)) | AT91C_SMC_DBW_WIDTH_EIGTH_BITS, AT91C_BASE_SMC0 + SMC_CTRL3); +} + +#endif /* #ifdef CFG_NANDFLASH */ + +#ifdef CFG_USER_PREJUMP_HANDLER +void prejump_handler(void) +{ + pio_set_value(AT91C_PIN_PC(29), 1); + pio_set_value(AT91C_PIN_PC(29), 0); + pio_set_value(AT91C_PIN_PC(29), 1); +} +#endif + Index: board/agama9263/nandflash/at91sam9263ek.h =================================================================== --- board/agama9263/nandflash/at91sam9263ek.h (.../tags/at91bootstrap-1.14) (revision 0) +++ board/agama9263/nandflash/at91sam9263ek.h (.../branches/agama9263-1.14) (revision 20) @@ -0,0 +1,136 @@ +/* + * Machine configuration for Agama9263 board + * + * derived from at91sam9263ek.h + * Copyright (c) 2006, Atmel Corporation + + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _AT91SAM9263EK_H +#define _AT91SAM9263EK_H + +/* + * PMC Settings + */ +#ifdef CRYSTAL_16_36766MHZ + #define MASTER_CLOCK (199919000/2) + #define PLL_LOCK_TIMEOUT 1000000 + #define PLLA_SETTINGS 0x20AABF0E + #define PLLB_SETTINGS 0x10483F0E + #define AT91C_SDRAMC_REFRESH ((MASTER_CLOCK * 7) / 1000000) +#endif + +#ifdef CRYSTAL_18_432MHZ + #define MASTER_CLOCK (198656000/2) + #define PLL_LOCK_TIMEOUT 1000000 + #define PLLA_SETTINGS 0x2060BF09 + #define PLLB_SETTINGS 0x10483F0E + #define AT91C_SDRAMC_REFRESH (1552) +#endif + +/* Switch MCK on PLLA output PCK = PLLA = 2 * MCK */ +#define MCKR_SETTINGS (AT91C_PMC_PRES_CLK | AT91C_PMC_MDIV_2) +#define MCKR_CSS_SETTINGS (AT91C_PMC_CSS_PLLA_CLK | MCKR_SETTINGS) + +/* + * NandFlash Settings + */ +#define AT91C_SMARTMEDIA_BASE 0x40000000 + +#define AT91_SMART_MEDIA_ALE (1 << 21) /* our ALE is AD21 */ +#define AT91_SMART_MEDIA_CLE (1 << 22) /* our CLE is AD22 */ + +#define NAND_DISABLE_CE() do { *(volatile unsigned int *)AT91C_PIOD_SODR = AT91C_PIO_PD15;} while(0) +#define NAND_ENABLE_CE() do { *(volatile unsigned int *)AT91C_PIOD_CODR = AT91C_PIO_PD15;} while(0) +#define NAND_WAIT_READY() while (!(*(volatile unsigned int *)AT91C_PIOA_PDSR & AT91C_PIO_PA22)) + +/* + * SDRAMC Settings + */ +#ifdef CRYSTAL_16_36766MHZ + #define AT91C_SM_NWE_SETUP (1 << 0) + #define AT91C_SM_NCS_WR_SETUP (1 << 8) + #define AT91C_SM_NRD_SETUP (1 << 16) + #define AT91C_SM_NCS_RD_SETUP (1 << 24) + + #define AT91C_SM_NWE_PULSE (3 << 0) + #define AT91C_SM_NCS_WR_PULSE (3 << 8) + #define AT91C_SM_NRD_PULSE (3 << 16) + #define AT91C_SM_NCS_RD_PULSE (3 << 24) + + #define AT91C_SM_NWE_CYCLE (5 << 0) + #define AT91C_SM_NRD_CYCLE (5 << 16) + + #define AT91C_SM_TDF (2 << 16) +#endif + +#ifdef CRYSTAL_18_432MHZ + #define AT91C_BASE_SDRAMC AT91C_BASE_SDRAMC0 + #define AT91C_EBI_SDRAM AT91C_EBI0_SDRAM + #define AT91C_SM_NWE_SETUP (1 << 0) + #define AT91C_SM_NCS_WR_SETUP (0 << 8) + #define AT91C_SM_NRD_SETUP (2 << 16) + #define AT91C_SM_NCS_RD_SETUP (1 << 24) + + #define AT91C_SM_NWE_PULSE (2 << 0) + #define AT91C_SM_NCS_WR_PULSE (4 << 8) + #define AT91C_SM_NRD_PULSE (4 << 16) + #define AT91C_SM_NCS_RD_PULSE (5 << 24) + + #define AT91C_SM_NRD_CYCLE (6 << 16) + #define AT91C_SM_NWE_CYCLE (7 << 0) /* 4 or 7 */ + + #define AT91C_SM_TDF (3 << 16) +#endif + +/* + * Bootstrap Settings + */ +#define IMG_ADDRESS 0x20000 /* Image Address in NandFlash */ +#define IMG_SIZE 0x40000 /* Image Size in NandFlash */ + +#define MACH_TYPE 2381 /* Agama9263 */ +#define JUMP_ADDR 0x23F00000 /* Final Jump Address */ + +/* + * Application Settings + */ +#define CFG_DEBUG 1 +#define CFG_DEBUG_USART0 1 +#undef CFG_DEBUG_USART1 +#undef CFG_DEBUG_USART2 +#undef CFG_DEBUG_USART3 + +#define CFG_USER_PREJUMP_HANDLER 1 + +#undef CFG_DATAFLASH + +#define CFG_NANDFLASH +#undef NANDFLASH_SMALL_BLOCKS /* NANDFLASH_LARGE_BLOCKS used instead */ + +#define CFG_HW_INIT +#define CFG_SDRAM + +#endif + Index: board/agama9263/nandflash/Makefile =================================================================== --- board/agama9263/nandflash/Makefile (.../tags/at91bootstrap-1.14) (revision 0) +++ board/agama9263/nandflash/Makefile (.../branches/agama9263-1.14) (revision 20) @@ -0,0 +1,112 @@ +CROSS_COMPILE=arm-angstrom-linux-gnueabi- +TOOLCHAIN=gcc +BOOTSTRAP_PATH=../../.. + +# NandFlashBoot Configuration for Agama9263 + +# Target name (case sensitive!!!) +TARGET=AT91SAM9263 +# Board name (case sensitive!!!) +BOARD=agama9263 +# Link Address and Top_of_Memory +LINK_ADDR=0x300000 +TOP_OF_MEMORY=0x314000 +# Name of current directory +PROJECT=nandflash + +CRYSTAL=CRYSTAL_18_432MHZ + +ifndef BOOT_NAME +BOOT_NAME=$(PROJECT)_$(BOARD) +endif + +INCL=./$(BOOTSTRAP_PATH)/board/$(BOARD)/$(PROJECT) + +ifeq ($(TOOLCHAIN), gcc) + +AS=$(CROSS_COMPILE)gcc +CC=$(CROSS_COMPILE)gcc +LD=$(CROSS_COMPILE)gcc +NM= $(CROSS_COMPILE)nm +SIZE=$(CROSS_COMPILE)size +OBJCOPY=$(CROSS_COMPILE)objcopy +OBJDUMP=$(CROSS_COMPILE)objdump +CCFLAGS=-g -mcpu=arm9 -O0 -Wall -D$(TARGET) -D$(CRYSTAL) -I$(INCL) +ASFLAGS=-g -mcpu=arm9 -c -Os -Wall -D$(TARGET) -D$(CRYSTAL) -I$(INCL) -DTOP_OF_MEM=$(TOP_OF_MEMORY) + +# Linker flags. +# -Wl,...: tell GCC to pass this to linker. +# -Map: create map file +# --cref: add cross reference to map file +LDFLAGS+=-nostartfiles -nostdlib -Wl,-Map=$(BOOT_NAME).map,--cref +LDFLAGS+=-T $(BOOTSTRAP_PATH)/elf32-littlearm.lds -Ttext $(LINK_ADDR) +OBJS=crt0_gnu.o + +endif + +OBJS+=\ + $(BOARD).o \ + main.o \ + gpio.o \ + pmc.o \ + debug.o \ + sdramc.o \ + nandflash.o \ + _udivsi3.o \ + _umodsi3.o \ + div0.o \ + udiv.o \ + string.o + +rebuild: clean all + +all: $(BOOT_NAME) + +ifeq ($(TOOLCHAIN), gcc) +$(BOOT_NAME): $(OBJS) + $(LD) $(LDFLAGS) -n -o $(BOOT_NAME).elf $(OBJS) + $(OBJCOPY) --strip-debug --strip-unneeded $(BOOT_NAME).elf -O binary $(BOOT_NAME).bin +endif + + +$(BOARD).o: $(BOOTSTRAP_PATH)/board/$(BOARD)/$(BOARD).c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/board/$(BOARD)/$(BOARD).c -o $(BOARD).o + +main.o: $(BOOTSTRAP_PATH)/main.c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/main.c -o main.o + +gpio.o: $(BOOTSTRAP_PATH)/driver/gpio.c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/driver/gpio.c -o gpio.o + +pmc.o: $(BOOTSTRAP_PATH)/driver/pmc.c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/driver/pmc.c -o pmc.o + +debug.o: $(BOOTSTRAP_PATH)/driver/debug.c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/driver/debug.c -o debug.o + +sdramc.o: $(BOOTSTRAP_PATH)/driver/sdramc.c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/driver/sdramc.c -o sdramc.o + +nandflash.o: $(BOOTSTRAP_PATH)/driver/nandflash.c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/driver/nandflash.c -o nandflash.o + +crt0_gnu.o: $(BOOTSTRAP_PATH)/crt0_gnu.S + $(AS) $(ASFLAGS) $(BOOTSTRAP_PATH)/crt0_gnu.S -o crt0_gnu.o + +div0.o: $(BOOTSTRAP_PATH)/lib/div0.c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/lib/div0.c -o div0.o + +string.o: $(BOOTSTRAP_PATH)/lib/string.c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/lib/string.c -o string.o + +udiv.o: $(BOOTSTRAP_PATH)/lib/udiv.c + $(CC) -c $(CCFLAGS) $(BOOTSTRAP_PATH)/lib/udiv.c -o udiv.o + +_udivsi3.o: $(BOOTSTRAP_PATH)/lib/_udivsi3.S + $(AS) $(ASFLAGS) $(BOOTSTRAP_PATH)/lib/_udivsi3.S -o _udivsi3.o + +_umodsi3.o: $(BOOTSTRAP_PATH)/lib/_umodsi3.S + $(AS) $(ASFLAGS) $(BOOTSTRAP_PATH)/lib/_umodsi3.S -o _umodsi3.o + +clean: + rm -f *.o *.bin *.elf *.map Index: driver/debug.c =================================================================== --- driver/debug.c (.../tags/at91bootstrap-1.14) (revision 20) +++ driver/debug.c (.../branches/agama9263-1.14) (revision 20) @@ -35,50 +35,77 @@ #ifdef CFG_DEBUG -/* Write DBGU register */ -static inline void write_dbgu(unsigned int offset, const unsigned int value) +#if defined(CFG_DEBUG_USART0) + #define USART_BASE AT91C_BASE_US0 + #define PERIPH_INIT() do { writel((1 << AT91C_ID_US0), PMC_PCER + AT91C_BASE_PMC); } while(0); +#elif defined(CFG_DEBUG_USART1) + #define USART_BASE AT91C_BASE_US1 + #define PERIPH_INIT() do { writel((1 << AT91C_ID_US1), PMC_PCER + AT91C_BASE_PMC); } while(0); +#elif defined(CFG_DEBUG_USART2) + #define USART_BASE AT91C_BASE_US2 + #define PERIPH_INIT() do { writel((1 << AT91C_ID_US2), PMC_PCER + AT91C_BASE_PMC); } while(0); +#else + #ifndef CFG_DEBUG_USART3 + #define CFG_DEBUG_USART3 + #endif + #define USART_BASE AT91C_BASE_DBGU + #define PERIPH_INIT() /* nada */ +#endif + +/* Write USART register */ +static inline void write_usart(unsigned int offset, const unsigned int value) { - writel(value, offset + AT91C_BASE_DBGU); + writel(value, offset + USART_BASE); } -/* Read DBGU registers */ -static inline unsigned int read_dbgu( unsigned int offset) +/* Read USART registers */ +static inline unsigned int read_usart(unsigned int offset) { - return readl(offset + AT91C_BASE_DBGU); + return readl(offset + USART_BASE); } +unsigned int BAUDRATE(unsigned long mck, unsigned long baud) +{ + unsigned long divisor; + divisor = ((mck / 16) + (baud / 2)) / baud; + + return (unsigned int)(divisor & 0xFFFF); +} + //*---------------------------------------------------------------------------- //* \fn dbg_init -//* \brief This function is used to configure the DBGU COM port +//* \brief This function is used to configure the USART COM port //*----------------------------------------------------------------------------*/ void dbg_init(unsigned int baudrate) { + /* Configure the peripheral mux */ + PERIPH_INIT(); /* Disable interrupts */ - write_dbgu(US_IDR, -1); + write_usart(US_IDR, -1); /* Reset the receiver and transmitter */ - write_dbgu(US_CR, AT91C_US_RSTRX | AT91C_US_RSTTX | AT91C_US_RXDIS | AT91C_US_TXDIS); + write_usart(US_CR, AT91C_US_RSTRX | AT91C_US_RSTTX | AT91C_US_RXDIS | AT91C_US_TXDIS); /* Configure the baudrate */ - write_dbgu(US_BRGR, baudrate); + write_usart(US_BRGR, baudrate); + /* Enable RX and Tx */ + write_usart(US_CR, AT91C_US_RXEN | AT91C_US_TXEN); /* Configure USART in Asynchronous mode */ - write_dbgu(US_MR, AT91C_US_PAR); - /* Enable RX and Tx */ - write_dbgu(US_CR, AT91C_US_RXEN | AT91C_US_TXEN); + write_usart(US_MR, AT91C_US_CLKS_CLOCK | AT91C_US_CHMODE_NORMAL | AT91C_US_PAR_NONE | AT91C_US_CHRL_8_BITS | AT91C_US_NBSTOP_1_BIT); } -//*---------------------------------------------------------------------------- -//* \fn dbg_print -//* \brief This function is used to configure the DBGU -//*----------------------------------------------------------------------------*/ -void dbg_print(const char *ptr) +void dbg_putc(char c) { - int i=0; + if (c == '\n') + dbg_putc('\r'); - while (ptr[i] != '\0') { - while ( !(read_dbgu(DBGU_CSR) & AT91C_US_TXRDY) ); - write_dbgu(DBGU_THR, ptr[i]); - i++; - } + while ( !(read_usart(US_CSR) & AT91C_US_TXRDY) ) ; + write_usart(US_THR, c); } +void dbg_print(const char *ptr) +{ + while (*ptr) + dbg_putc(*ptr++); +} + #endif /* CFG_DEBUG */