From 0afe519a433184fb1270ff0823971130353a807f Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Sun, 12 Mar 2006 02:10:00 +0100 Subject: [PATCH] Add ADI Blackfin support - add support for Analog Devices Blackfin BF533 CPU - add support for the ADI BF533 Stamp uClinux board - add support for the ADI BF533 EZKit board Patches by Richard Klingler, June 11th 2005: --- CHANGELOG | 6 ++++++ Makefile | 21 +++++++++++++++++++++ common/cmd_bootm.c | 2 ++ config.mk | 4 ++++ drivers/cfi_flash.c | 12 ++++++++++++ drivers/smc91111.c | 9 +++++++++ drivers/smc91111.h | 4 ++++ examples/Makefile | 9 +++++++++ examples/smc91111_eeprom.c | 6 ++---- examples/stubs.c | 13 +++++++++++++ include/flash.h | 1 + include/image.h | 1 + include/linux/stat.h | 2 +- rtc/Makefile | 4 ++-- tools/mkimage.c | 1 + 15 files changed, 88 insertions(+), 7 deletions(-) diff --git a/CHANGELOG b/CHANGELOG index a11dd4d740..20e875aabf 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,12 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Add ADI Blackfin support + - add support for Analog Devices Blackfin BF533 CPU + - add support for the ADI BF533 Stamp uClinux board + - add support for the ADI BF533 EZKit board + Patches by Richard Klingler, 11 Jun 2005 + * Add loads of ntohl() in image header handling Patch by Steven Scholz, 10 Jun 2005 diff --git a/Makefile b/Makefile index fefcbbac0a..0c8137f0eb 100644 --- a/Makefile +++ b/Makefile @@ -85,6 +85,9 @@ endif ifeq ($(ARCH),microblaze) CROSS_COMPILE = mb- endif +ifeq ($(ARCH),blackfin) +CROSS_COMPILE = bfin-elf- +endif endif endif @@ -111,6 +114,10 @@ endif ifeq ($(CPU),mpc85xx) OBJS += cpu/$(CPU)/resetvec.o endif +ifeq ($(CPU),bf533) +OBJS += cpu/$(CPU)/start1.o cpu/$(CPU)/interrupt.o cpu/$(CPU)/cache.o +OBJS += cpu/$(CPU)/cplbhdlr.o cpu/$(CPU)/cplbmgr.o cpu/$(CPU)/flush.o +endif LIBS = lib_generic/libgeneric.a LIBS += board/$(BOARDDIR)/lib$(BOARD).a @@ -1859,6 +1866,19 @@ suzaku_config: unconfig @echo "#define CONFIG_SUZAKU 1" >> include/config.h @./mkconfig -a $(@:_config=) microblaze microblaze suzaku AtmarkTechno +######################################################################### +## Blackfin +######################################################################### +ezkit533_config : unconfig + @./mkconfig $(@:_config=) blackfin bf533 ezkit533 + +stamp_config : unconfig + @./mkconfig $(@:_config=) blackfin bf533 stamp + +dspstamp_config : unconfig + @./mkconfig $(@:_config=) blackfin bf533 dsp_stamp + +######################################################################### ######################################################################### ######################################################################### @@ -1870,6 +1890,7 @@ clean: rm -f examples/hello_world examples/timer \ examples/eepro100_eeprom examples/sched \ examples/mem_to_mem_idma2intr examples/82559_eeprom \ + examples/smc91111_eeprom \ examples/test_burst rm -f tools/img2srec tools/mkimage tools/envcrc tools/gen_eth_addr rm -f tools/mpc86x_clk tools/ncb diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 8bb524bfe1..5b93bddf98 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -252,6 +252,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) if (hdr->ih_arch != IH_CPU_MICROBLAZE) #elif defined(__nios2__) if (hdr->ih_arch != IH_CPU_NIOS2) +#elif defined(__blackfin__) + if (hdr->ih_arch != IH_CPU_BLACKFIN) #else # error Unknown CPU type #endif diff --git a/config.mk b/config.mk index d85ac36b5e..dfbb1b7c6f 100644 --- a/config.mk +++ b/config.mk @@ -53,6 +53,10 @@ PLATFORM_CPPFLAGS+= -D__ARM__ endif endif +ifeq ($(ARCH),blackfin) +PLATFORM_CPPFLAGS+= -D__BLACKFIN__ -mno-underscore +endif + ifdef ARCH sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules endif diff --git a/drivers/cfi_flash.c b/drivers/cfi_flash.c index ff4d85f3f0..a989d34662 100644 --- a/drivers/cfi_flash.c +++ b/drivers/cfi_flash.c @@ -878,18 +878,27 @@ static void flash_write_cmd (flash_info_t * info, flash_sect_t sect, uint offset debug ("fwc addr %p cmd %x %x 8bit x %d bit\n", addr.cp, cmd, cword.c, info->chipwidth << CFI_FLASH_SHIFT_WIDTH); *addr.cp = cword.c; +#ifdef CONFIG_BLACKFIN + asm("ssync;"); +#endif break; case FLASH_CFI_16BIT: debug ("fwc addr %p cmd %x %4.4x 16bit x %d bit\n", addr.wp, cmd, cword.w, info->chipwidth << CFI_FLASH_SHIFT_WIDTH); *addr.wp = cword.w; +#ifdef CONFIG_BLACKFIN + asm("ssync;"); +#endif break; case FLASH_CFI_32BIT: debug ("fwc addr %p cmd %x %8.8lx 32bit x %d bit\n", addr.lp, cmd, cword.l, info->chipwidth << CFI_FLASH_SHIFT_WIDTH); *addr.lp = cword.l; +#ifdef CONFIG_BLACKFIN + asm("ssync;"); +#endif break; case FLASH_CFI_64BIT: #ifdef DEBUG @@ -904,6 +913,9 @@ static void flash_write_cmd (flash_info_t * info, flash_sect_t sect, uint offset } #endif *addr.llp = cword.ll; +#ifdef CONFIG_BLACKFIN + asm("ssync;"); +#endif break; } } diff --git a/drivers/smc91111.c b/drivers/smc91111.c index 84e243ddd5..f91e4b9843 100644 --- a/drivers/smc91111.c +++ b/drivers/smc91111.c @@ -160,6 +160,9 @@ extern void eth_halt(void); extern int eth_rx(void); extern int eth_send(volatile void *packet, int length); +#ifdef SHARED_RESOURCES + extern void swap_to(int device_id); +#endif /* . This is called by register_netdev(). It is responsible for @@ -533,6 +536,9 @@ static void smc_shutdown() SMC_SELECT_BANK( 0 ); SMC_outb( RCR_CLEAR, RCR_REG ); SMC_outb( TCR_CLEAR, TCR_REG ); +#ifdef SHARED_RESOURCES + swap_to(FLASH); +#endif } @@ -1511,6 +1517,9 @@ static void print_packet( byte * buf, int length ) #endif int eth_init(bd_t *bd) { +#ifdef SHARED_RESOURCES + swap_to(ETHERNET); +#endif return (smc_open(bd)); } diff --git a/drivers/smc91111.h b/drivers/smc91111.h index c3c33672ab..d03cbc320b 100644 --- a/drivers/smc91111.h +++ b/drivers/smc91111.h @@ -185,6 +185,8 @@ typedef unsigned long int dword; #ifdef CONFIG_ADNPESC1 #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+((r)<<1)))) +#elif CONFIG_BLACKFIN +#define SMC_inw(r) ({ word __v = (*((volatile word *)(SMC_BASE_ADDRESS+(r)))); asm("ssync;"); __v;}) #else #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r)))) #endif @@ -192,6 +194,8 @@ typedef unsigned long int dword; #ifdef CONFIG_ADNPESC1 #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+((r)<<1))) = d) +#elif CONFIG_BLACKFIN +#define SMC_outw(d,r) {(*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d);asm("ssync;");} #else #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d) #endif diff --git a/examples/Makefile b/examples/Makefile index 2f8c4c4035..fee26741d0 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -53,6 +53,10 @@ ifeq ($(ARCH),microblaze) LOAD_ADDR = 0x80F00000 endif +ifeq ($(ARCH),blackfin) +LOAD_ADDR = 0x1000 +endif + include $(TOPDIR)/config.mk SREC = hello_world.srec @@ -73,6 +77,11 @@ SREC += sched.srec BIN += sched.bin sched endif +ifeq ($(ARCH),blackfin) +SREC += smc91111_eeprom.srec +BIN += smc91111_eeprom.bin smc91111_eeprom +endif + # The following example is pretty 8xx specific... ifeq ($(CPU),mpc8xx) SREC += timer.srec diff --git a/examples/smc91111_eeprom.c b/examples/smc91111_eeprom.c index 885f9336cd..98e3e86ffa 100644 --- a/examples/smc91111_eeprom.c +++ b/examples/smc91111_eeprom.c @@ -214,13 +214,11 @@ int smc91111_eeprom (int argc, char *argv[]) switch (what) { case 1: - printf ("Writing EEPROM register %02x with %04x\n", - reg, value); + printf ("Writing EEPROM register %02x with %04x\n", reg, value); write_eeprom_reg (value, reg); break; case 2: - printf ("Writing MAC register bank %i, - reg %02x with %04x\n", reg >> 4, reg & 0xE, value); + printf ("Writing MAC register bank %i, reg %02x with %04x\n", reg >> 4, reg & 0xE, value); SMC_SELECT_BANK (reg >> 4); SMC_outw (value, reg & 0xE); break; diff --git a/examples/stubs.c b/examples/stubs.c index d4c6e063e3..1797274eb4 100644 --- a/examples/stubs.c +++ b/examples/stubs.c @@ -125,6 +125,19 @@ gd_t *global_data; " lwi r5, r5, %1\n" \ " bra r5\n" \ : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r5"); +#elif defined(CONFIG_BLACKFIN) +/* + * P5 holds the pointer to the global_data, P0 is a call-clobbered + * register + */ +#define EXPORT_FUNC(x) \ + asm volatile ( \ +" .globl " #x "\n" \ +#x ":\n" \ +" P0 = [P5 + %0]\n" \ +" P0 = [P0 + %1]\n" \ +" JUMP (P0)\n" \ + : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "P0"); #else #error stubs definition missing for this architecture #endif diff --git a/include/flash.h b/include/flash.h index 8493191789..4c68c6832f 100644 --- a/include/flash.h +++ b/include/flash.h @@ -242,6 +242,7 @@ extern void flash_read_factory_serial(flash_info_t * info, void * buffer, int of #define STM_ID_29W320DT 0x22CA22CA /* M29W320DT ID (32 M, top boot sector) */ #define STM_ID_29W320DB 0x22CB22CB /* M29W320DB ID (32 M, bottom boot sect) */ #define STM_ID_29W040B 0x00E300E3 /* M29W040B ID (4M = 512K x 8) */ +#define FLASH_PSD4256GV 0x00E9 /* PSD4256 Flash and CPLD combination */ #define INTEL_ID_28F016S 0x66a066a0 /* 28F016S[VS] ID (16M = 512k x 16) */ #define INTEL_ID_28F800B3T 0x88928892 /* 8M = 512K x 16 top boot sector */ diff --git a/include/image.h b/include/image.h index af37bcad5a..139df0b2d1 100644 --- a/include/image.h +++ b/include/image.h @@ -75,6 +75,7 @@ #define IH_CPU_NIOS 13 /* Nios-32 */ #define IH_CPU_MICROBLAZE 14 /* MicroBlaze */ #define IH_CPU_NIOS2 15 /* Nios-II */ +#define IH_CPU_BLACKFIN 16 /* Blackfin */ /* * Image Types diff --git a/include/linux/stat.h b/include/linux/stat.h index 2f7a3b36ac..f9422cb1fa 100644 --- a/include/linux/stat.h +++ b/include/linux/stat.h @@ -67,7 +67,7 @@ struct stat { #endif /* __PPC__ */ -#if defined (__ARM__) || defined (__I386__) || defined (__M68K__) +#if defined (__ARM__) || defined (__I386__) || defined (__M68K__) || defined (__blackfin__) struct stat { unsigned short st_dev; diff --git a/rtc/Makefile b/rtc/Makefile index 4ceac76933..b08057e2f1 100644 --- a/rtc/Makefile +++ b/rtc/Makefile @@ -28,8 +28,8 @@ include $(TOPDIR)/config.mk LIB = librtc.a OBJS = date.o \ - ds12887.o ds1302.o ds1306.o ds1307.o ds1337.o \ - ds1556.o ds164x.o ds174x.o \ + bf533_rtc.o ds12887.o ds1302.o ds1306.o ds1307.o \ + ds1337.o ds1556.o ds164x.o ds174x.o \ m41t11.o max6900.o m48t35ax.o mc146818.o mk48t59.o \ mpc5xxx.o mpc8xx.o pcf8563.o s3c24x0_rtc.o rs5c372.o diff --git a/tools/mkimage.c b/tools/mkimage.c index 70452db1c0..5222bb21a5 100644 --- a/tools/mkimage.c +++ b/tools/mkimage.c @@ -93,6 +93,7 @@ table_entry_t arch_name[] = { { IH_CPU_SH, "sh", "SuperH", }, { IH_CPU_SPARC, "sparc", "SPARC", }, { IH_CPU_SPARC64, "sparc64", "SPARC 64 Bit", }, + { IH_CPU_BLACKFIN, "blackfin", "Blackfin", }, { -1, "", "", }, }; -- 2.25.1