diff options
| author | TsiChungLiew <Tsi-Chung.Liew@freescale.com> | 2007-08-15 19:21:21 -0500 | 
|---|---|---|
| committer | John Rigby <jrigby@freescale.com> | 2007-08-16 17:43:20 -0600 | 
| commit | 83ec20bc4380eebddfde45da6e3a69a92d4db21d (patch) | |
| tree | 57cbcef9eb99d47da3812cc43b34a97c9c27edd1 | |
| parent | f52e78304dcc0ac459c0ea1fa5be275c7d1642cf (diff) | |
| download | olio-uboot-2014.01-83ec20bc4380eebddfde45da6e3a69a92d4db21d.tar.xz olio-uboot-2014.01-83ec20bc4380eebddfde45da6e3a69a92d4db21d.zip | |
ColdFire: MCF52x2 update
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
| -rw-r--r-- | cpu/mcf52x2/Makefile | 4 | ||||
| -rw-r--r-- | cpu/mcf52x2/cpu.c | 154 | ||||
| -rw-r--r-- | cpu/mcf52x2/cpu_init.c | 372 | ||||
| -rw-r--r-- | cpu/mcf52x2/fec.c | 605 | ||||
| -rw-r--r-- | cpu/mcf52x2/interrupts.c | 183 | ||||
| -rw-r--r-- | cpu/mcf52x2/serial.c | 215 | ||||
| -rw-r--r-- | cpu/mcf52x2/start.S | 48 | ||||
| -rw-r--r-- | lib_m68k/time.c | 276 | 
8 files changed, 364 insertions, 1493 deletions
| diff --git a/cpu/mcf52x2/Makefile b/cpu/mcf52x2/Makefile index 70d57cf60..937cdd058 100644 --- a/cpu/mcf52x2/Makefile +++ b/cpu/mcf52x2/Makefile @@ -27,8 +27,8 @@ include $(TOPDIR)/config.mk  LIB	= $(obj)lib$(CPU).a -START	= -COBJS	= serial.o interrupts.o cpu.o speed.o cpu_init.o fec.o +START	= start.o +COBJS	= interrupts.o cpu.o speed.o cpu_init.o  SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)  OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c index ce59d39cf..96fe3711b 100644 --- a/cpu/mcf52x2/cpu.c +++ b/cpu/mcf52x2/cpu.c @@ -28,33 +28,15 @@  #include <common.h>  #include <watchdog.h>  #include <command.h> +#include <asm/immap.h>  #ifdef  CONFIG_M5271 -#include <asm/immap_5271.h> -#include <asm/m5271.h> -#endif - -#ifdef	CONFIG_M5272 -#include <asm/immap_5272.h> -#include <asm/m5272.h> -#endif - -#ifdef	CONFIG_M5282 -#include <asm/m5282.h> -#include <asm/immap_5282.h> -#endif - -#ifdef	CONFIG_M5249 -#include <asm/m5249.h> -#endif - -#ifdef	CONFIG_M5271  /*   * Both MCF5270 and MCF5271 are members of the MPC5271 family. Try to   * determine which one we are running on, based on the Chip Identification   * Register (CIR).   */ -int checkcpu (void) +int checkcpu(void)  {  	char buf[32];  	unsigned short cir;	/* Chip Identification Register */ @@ -80,156 +62,164 @@ int checkcpu (void)  	if (cpu_model)  		printf("CPU:   Freescale ColdFire MCF%s rev. %hu, at %s MHz\n", -			cpu_model, prn, strmhz(buf, CFG_CLK)); +		       cpu_model, prn, strmhz(buf, CFG_CLK));  	else  		printf("CPU:   Unknown - Freescale ColdFire MCF5271 family" -			" (PIN: 0x%x) rev. %hu, at %s MHz\n", -			pin, prn, strmhz(buf, CFG_CLK)); +		       " (PIN: 0x%x) rev. %hu, at %s MHz\n", +		       pin, prn, strmhz(buf, CFG_CLK));  	return 0;  } -int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) { +int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) +{  	mbar_writeByte(MCF_RCM_RCR, -			MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT); +		       MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT);  	return 0;  };  #if defined(CONFIG_WATCHDOG) -void watchdog_reset (void) +void watchdog_reset(void)  {  	mbar_writeShort(MCF_WTM_WSR, 0x5555);  	mbar_writeShort(MCF_WTM_WSR, 0xAAAA);  } -int watchdog_disable (void) +int watchdog_disable(void)  {  	mbar_writeShort(MCF_WTM_WCR, 0);  	return (0);  } -int watchdog_init (void) +int watchdog_init(void)  {  	mbar_writeShort(MCF_WTM_WCR, MCF_WTM_WCR_EN);  	return (0);  } -#endif /* #ifdef CONFIG_WATCHDOG */ +#endif				/* #ifdef CONFIG_WATCHDOG */  #endif  #ifdef	CONFIG_M5272 -int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) { -	volatile wdog_t * wdp = (wdog_t *)(CFG_MBAR + MCFSIM_WRRR); +int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) +{ +	volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);  	wdp->wdog_wrrr = 0; -	udelay (1000); +	udelay(1000);  	/* enable watchdog, set timeout to 0 and wait */  	wdp->wdog_wrrr = 1; -	while (1); +	while (1) ;  	/* we don't return! */  	return 0;  }; -int checkcpu(void) { -	ulong *dirp = (ulong *)(CFG_MBAR + MCFSIM_DIR); +int checkcpu(void) +{ +	volatile sysctrl_t *sysctrl = (sysctrl_t *) (MMAP_CFG);  	uchar msk; -	char  *suf; +	char *suf; -	puts ("CPU:   "); -	msk = (*dirp > 28) & 0xf; +	puts("CPU:   "); +	msk = (sysctrl->sc_dir > 28) & 0xf;  	switch (msk) { -		case 0x2: suf = "1K75N"; break; -		case 0x4: suf = "3K75N"; break; -		default: -			suf = NULL; -			printf ("Freescale MCF5272 (Mask:%01x)\n", msk); -			break; -		} +	case 0x2: +		suf = "1K75N"; +		break; +	case 0x4: +		suf = "3K75N"; +		break; +	default: +		suf = NULL; +		printf("Freescale MCF5272 (Mask:%01x)\n", msk); +		break; +	}  	if (suf) -		printf ("Freescale MCF5272 %s\n", suf); +		printf("Freescale MCF5272 %s\n", suf);  	return 0;  };  #if defined(CONFIG_WATCHDOG)  /* Called by macro WATCHDOG_RESET */ -void watchdog_reset (void) +void watchdog_reset(void)  { -	volatile immap_t * regp = (volatile immap_t *)CFG_MBAR; -	regp->wdog_reg.wdog_wcr = 0; +	volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); +	wdt->wdog_wcr = 0;  } -int watchdog_disable (void) +int watchdog_disable(void)  { -	volatile immap_t *regp = (volatile immap_t *)CFG_MBAR; +	volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); -	regp->wdog_reg.wdog_wcr = 0;	/* reset watchdog counter */ -	regp->wdog_reg.wdog_wirr = 0;	/* disable watchdog interrupt */ -	regp->wdog_reg.wdog_wrrr = 0;	/* disable watchdog timer */ +	wdt->wdog_wcr = 0;	/* reset watchdog counter */ +	wdt->wdog_wirr = 0;	/* disable watchdog interrupt */ +	wdt->wdog_wrrr = 0;	/* disable watchdog timer */ -	puts ("WATCHDOG:disabled\n"); +	puts("WATCHDOG:disabled\n");  	return (0);  } -int watchdog_init (void) +int watchdog_init(void)  { -	volatile immap_t *regp = (volatile immap_t *)CFG_MBAR; +	volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); -	regp->wdog_reg.wdog_wirr = 0;	/* disable watchdog interrupt */ +	wdt->wdog_wirr = 0;	/* disable watchdog interrupt */  	/* set timeout and enable watchdog */ -	regp->wdog_reg.wdog_wrrr = ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1; -	regp->wdog_reg.wdog_wcr = 0;	/* reset watchdog counter */ +	wdt->wdog_wrrr = +	    ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1; +	wdt->wdog_wcr = 0;	/* reset watchdog counter */ -	puts ("WATCHDOG:enabled\n"); +	puts("WATCHDOG:enabled\n");  	return (0);  } -#endif /* #ifdef CONFIG_WATCHDOG */ - -#endif /* #ifdef CONFIG_M5272 */ +#endif				/* #ifdef CONFIG_WATCHDOG */ +#endif				/* #ifdef CONFIG_M5272 */  #ifdef	CONFIG_M5282 -int checkcpu (void) +int checkcpu(void)  {  	unsigned char resetsource = MCFRESET_RSR; -	printf ("CPU:   Freescale Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n", -		MCFCCM_CIR>>8,MCFCCM_CIR & MCFCCM_CIR_PRN_MASK); -	printf ("Reset:%s%s%s%s%s%s%s\n", -		(resetsource & MCFRESET_RSR_LOL)  ? " Loss of Lock"	: "", -		(resetsource & MCFRESET_RSR_LOC)  ? " Loss of Clock"	: "", -		(resetsource & MCFRESET_RSR_EXT)  ? " External"		: "", -		(resetsource & MCFRESET_RSR_POR)  ? " Power On"		: "", -		(resetsource & MCFRESET_RSR_WDR)  ? " Watchdog"		: "", -		(resetsource & MCFRESET_RSR_SOFT) ? " Software"		: "", -		(resetsource & MCFRESET_RSR_LVD)  ? " Low Voltage"	: "" -	); +	printf("CPU:   Freescale Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n", +	       MCFCCM_CIR >> 8, MCFCCM_CIR & MCFCCM_CIR_PRN_MASK); +	printf("Reset:%s%s%s%s%s%s%s\n", +	       (resetsource & MCFRESET_RSR_LOL) ? " Loss of Lock" : "", +	       (resetsource & MCFRESET_RSR_LOC) ? " Loss of Clock" : "", +	       (resetsource & MCFRESET_RSR_EXT) ? " External" : "", +	       (resetsource & MCFRESET_RSR_POR) ? " Power On" : "", +	       (resetsource & MCFRESET_RSR_WDR) ? " Watchdog" : "", +	       (resetsource & MCFRESET_RSR_SOFT) ? " Software" : "", +	       (resetsource & MCFRESET_RSR_LVD) ? " Low Voltage" : "");  	return 0;  } -int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) +int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])  {  	MCFRESET_RCR = MCFRESET_RCR_SOFTRST;  	return 0;  };  #endif -#ifdef CONFIG_M5249 /* test-only: todo... */ -int checkcpu (void) +#ifdef CONFIG_M5249		/* test-only: todo... */ +int checkcpu(void)  {  	char buf[32]; -	printf ("CPU:   Freescale Coldfire MCF5249 at %s MHz\n", strmhz(buf, CFG_CLK)); +	printf("CPU:   Freescale Coldfire MCF5249 at %s MHz\n", +	       strmhz(buf, CFG_CLK));  	return 0;  } -int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) { +int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) +{  	/* enable watchdog, set timeout to 0 and wait */  	mbar_writeByte(MCFSIM_SYPCR, 0xc0); -	while (1); +	while (1) ;  	/* we don't return! */  	return 0; diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c index 1748ea9d9..5736d0f26 100644 --- a/cpu/mcf52x2/cpu_init.c +++ b/cpu/mcf52x2/cpu_init.c @@ -27,28 +27,10 @@  #include <common.h>  #include <watchdog.h> - -#ifdef	CONFIG_M5271 -#include <asm/m5271.h> -#include <asm/immap_5271.h> -#endif - -#ifdef	CONFIG_M5272 -#include <asm/m5272.h> -#include <asm/immap_5272.h> -#endif - -#ifdef	CONFIG_M5282 -#include <asm/m5282.h> -#include <asm/immap_5282.h> -#endif - -#ifdef	CONFIG_M5249 -#include <asm/m5249.h> -#endif +#include <asm/immap.h>  #if defined(CONFIG_M5271) -void cpu_init_f (void) +void cpu_init_f(void)  {  #ifndef CONFIG_WATCHDOG  	/* Disable the watchdog if we aren't using it */ @@ -58,25 +40,35 @@ void cpu_init_f (void)  	/* Set clockspeed to 100MHz */  	mbar_writeShort(MCF_FMPLL_SYNCR,  			MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0)); -	while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK); - -	/* Enable UART pins */ -	mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD | -			MCF_GPIO_PAR_UART_U0RXD | -			MCF_GPIO_PAR_UART_U1RXD_UART1 | -			MCF_GPIO_PAR_UART_U1TXD_UART1); - -	/* Enable Ethernet pins */ -	mbar_writeByte(MCF_GPIO_PAR_FECI2C, CFG_FECI2C); +	while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK) ;  }  /*   * initialize higher level parts of CPU like timers   */ -int cpu_init_r	(void) +int cpu_init_r(void)  {  	return (0);  } + +void uart_port_conf(void) +{ +	/* Setup Ports: */ +	switch (CFG_UART_PORT) { +	case 0: +		mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD | +				MCF_GPIO_PAR_UART_U0RXD); +		break; +	case 1: +		mbar_writeShort(MCF_GPIO_PAR_UART, +				MCF_GPIO_PAR_UART_U1RXD_UART1 | +				MCF_GPIO_PAR_UART_U1TXD_UART1); +		break; +	case 2: +		mbar_writeShort(MCF_GPIO_PAR_UART, 0x3000); +		break; +	} +}  #endif  #if defined(CONFIG_M5272) @@ -87,69 +79,68 @@ int cpu_init_r	(void)   * initialize a bunch of registers,   * initialize the UPM's   */ -void cpu_init_f (void) +void cpu_init_f(void)  {  	/* if we come from RAM we assume the CPU is  	 * already initialized.  	 */  #ifndef CONFIG_MONITOR_IS_IN_RAM -	volatile immap_t *regp = (immap_t *)CFG_MBAR; +	volatile sysctrl_t *sysctrl = (sysctrl_t *) (CFG_MBAR); +	volatile gpio_t *gpio = (gpio_t *) (MMAP_GPIO); +	volatile csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS); -	volatile unsigned char	*mbar; -	mbar = (volatile unsigned char *) CFG_MBAR; - -	regp->sysctrl_reg.sc_scr = CFG_SCR; -	regp->sysctrl_reg.sc_spr = CFG_SPR; +	sysctrl->sc_scr = CFG_SCR; +	sysctrl->sc_spr = CFG_SPR;  	/* Setup Ports: */ -	regp->gpio_reg.gpio_pacnt = CFG_PACNT; -	regp->gpio_reg.gpio_paddr = CFG_PADDR; -	regp->gpio_reg.gpio_padat = CFG_PADAT; -	regp->gpio_reg.gpio_pbcnt = CFG_PBCNT; -	regp->gpio_reg.gpio_pbddr = CFG_PBDDR; -	regp->gpio_reg.gpio_pbdat = CFG_PBDAT; -	regp->gpio_reg.gpio_pdcnt = CFG_PDCNT; +	gpio->gpio_pacnt = CFG_PACNT; +	gpio->gpio_paddr = CFG_PADDR; +	gpio->gpio_padat = CFG_PADAT; +	gpio->gpio_pbcnt = CFG_PBCNT; +	gpio->gpio_pbddr = CFG_PBDDR; +	gpio->gpio_pbdat = CFG_PBDAT; +	gpio->gpio_pdcnt = CFG_PDCNT;  	/* Memory Controller: */ -	regp->csctrl_reg.cs_br0 = CFG_BR0_PRELIM; -	regp->csctrl_reg.cs_or0 = CFG_OR0_PRELIM; +	csctrl->cs_br0 = CFG_BR0_PRELIM; +	csctrl->cs_or0 = CFG_OR0_PRELIM;  #if (defined(CFG_OR1_PRELIM) && defined(CFG_BR1_PRELIM)) -	regp->csctrl_reg.cs_br1 = CFG_BR1_PRELIM; -	regp->csctrl_reg.cs_or1 = CFG_OR1_PRELIM; +	csctrl->cs_br1 = CFG_BR1_PRELIM; +	csctrl->cs_or1 = CFG_OR1_PRELIM;  #endif  #if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM) -	regp->csctrl_reg.cs_br2 = CFG_BR2_PRELIM; -	regp->csctrl_reg.cs_or2 = CFG_OR2_PRELIM; +	csctrl->cs_br2 = CFG_BR2_PRELIM; +	csctrl->cs_or2 = CFG_OR2_PRELIM;  #endif  #if defined(CFG_OR3_PRELIM) && defined(CFG_BR3_PRELIM) -	regp->csctrl_reg.cs_br3 = CFG_BR3_PRELIM; -	regp->csctrl_reg.cs_or3 = CFG_OR3_PRELIM; +	csctrl->cs_br3 = CFG_BR3_PRELIM; +	csctrl->cs_or3 = CFG_OR3_PRELIM;  #endif  #if defined(CFG_OR4_PRELIM) && defined(CFG_BR4_PRELIM) -	regp->csctrl_reg.cs_br4 = CFG_BR4_PRELIM; -	regp->csctrl_reg.cs_or4 = CFG_OR4_PRELIM; +	csctrl->cs_br4 = CFG_BR4_PRELIM; +	csctrl->cs_or4 = CFG_OR4_PRELIM;  #endif  #if defined(CFG_OR5_PRELIM) && defined(CFG_BR5_PRELIM) -	regp->csctrl_reg.cs_br5 = CFG_BR5_PRELIM; -	regp->csctrl_reg.cs_or5 = CFG_OR5_PRELIM; +	csctrl->cs_br5 = CFG_BR5_PRELIM; +	csctrl->cs_or5 = CFG_OR5_PRELIM;  #endif  #if defined(CFG_OR6_PRELIM) && defined(CFG_BR6_PRELIM) -	regp->csctrl_reg.cs_br6 = CFG_BR6_PRELIM; -	regp->csctrl_reg.cs_or6 = CFG_OR6_PRELIM; +	csctrl->cs_br6 = CFG_BR6_PRELIM; +	csctrl->cs_or6 = CFG_OR6_PRELIM;  #endif  #if defined(CFG_OR7_PRELIM) && defined(CFG_BR7_PRELIM) -	regp->csctrl_reg.cs_br7 = CFG_BR7_PRELIM; -	regp->csctrl_reg.cs_or7 = CFG_OR7_PRELIM; +	csctrl->cs_br7 = CFG_BR7_PRELIM; +	csctrl->cs_or7 = CFG_OR7_PRELIM;  #endif -#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */ +#endif				/* #ifndef CONFIG_MONITOR_IS_IN_RAM */  	/* enable instruction cache now */  	icache_enable(); @@ -159,14 +150,30 @@ void cpu_init_f (void)  /*   * initialize higher level parts of CPU like timers   */ -int cpu_init_r	(void) +int cpu_init_r(void)  {  	return (0);  } -#endif /* #if defined(CONFIG_M5272) */ +void uart_port_conf(void) +{ +	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; -#ifdef	CONFIG_M5282 +	/* Setup Ports: */ +	switch (CFG_UART_PORT) { +	case 0: +		gpio->gpio_pbcnt &= ~(GPIO_PBCNT_PB0MSK | GPIO_PBCNT_PB1MSK); +		gpio->gpio_pbcnt |= (GPIO_PBCNT_URT0_TXD | GPIO_PBCNT_URT0_RXD); +		break; +	case 1: +		gpio->gpio_pdcnt &= ~(GPIO_PDCNT_PD1MSK | GPIO_PDCNT_PD4MSK); +		gpio->gpio_pdcnt |= (GPIO_PDCNT_URT1_RXD | GPIO_PDCNT_URT1_TXD); +		break; +	} +} +#endif				/* #if defined(CONFIG_M5272) */ + +#if defined(CONFIG_M5282)  /*   * Breath some life into the CPU...   * @@ -174,7 +181,7 @@ int cpu_init_r	(void)   * initialize a bunch of registers,   * initialize the UPM's   */ -void cpu_init_f (void) +void cpu_init_f(void)  {  #ifndef CONFIG_WATCHDOG  	/* disable watchdog if we aren't using it */ @@ -183,7 +190,11 @@ void cpu_init_f (void)  #ifndef CONFIG_MONITOR_IS_IN_RAM  	/* Set speed /PLL */ -	MCFCLOCK_SYNCR =  MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD); +	MCFCLOCK_SYNCR = +	    MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD); +	while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ; + +	MCFGPIO_PBCDPAR = 0xc0;  	/* Set up the GPIO ports */  #ifdef CFG_PEPAR @@ -228,29 +239,28 @@ void cpu_init_f (void)      defined(CFG_CS0_WIDTH) & defined(CFG_CS0_RO) & \  	defined(CFG_CS0_WS) -	MCFCSM_CSAR0 =	(CFG_CS0_BASE >> 16) & 0xFFFF; +	MCFCSM_CSAR0 = (CFG_CS0_BASE >> 16) & 0xFFFF; -	#if (CFG_CS0_WIDTH == 8) -		#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_8 -	#elif (CFG_CS0_WIDTH == 16) -		#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_16 -	#elif (CFG_CS0_WIDTH == 32) -		#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_32 -	#else -		#error	"CFG_CS0_WIDTH: Fault - wrong bus with for CS0" -	#endif -	MCFCSM_CSCR0 =	MCFCSM_CSCR_WS(CFG_CS0_WS) -			|CFG_CS0_PS -			|MCFCSM_CSCR_AA; +#if (CFG_CS0_WIDTH == 8) +#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_8 +#elif (CFG_CS0_WIDTH == 16) +#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_16 +#elif (CFG_CS0_WIDTH == 32) +#define	 CFG_CS0_PS  MCFCSM_CSCR_PS_32 +#else +#error	"CFG_CS0_WIDTH: Fault - wrong bus with for CS0" +#endif +	MCFCSM_CSCR0 = MCFCSM_CSCR_WS(CFG_CS0_WS) +	    | CFG_CS0_PS | MCFCSM_CSCR_AA; -	#if (CFG_CS0_RO != 0) -		MCFCSM_CSMR0 =	MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1) -				|MCFCSM_CSMR_WP|MCFCSM_CSMR_V; - 	#else -		MCFCSM_CSMR0 =	MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1)|MCFCSM_CSMR_V; -	#endif +#if (CFG_CS0_RO != 0) +	MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE - 1) +	    | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;  #else -	#waring "Chip Select 0 are not initialized/used" +	MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE - 1) | MCFCSM_CSMR_V; +#endif +#else +#waring "Chip Select 0 are not initialized/used"  #endif  #if defined(CFG_CS1_BASE) & defined(CFG_CS1_SIZE) & \ @@ -259,29 +269,27 @@ void cpu_init_f (void)  	MCFCSM_CSAR1 = (CFG_CS1_BASE >> 16) & 0xFFFF; -	#if (CFG_CS1_WIDTH == 8) -		#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_8 -	#elif (CFG_CS1_WIDTH == 16) -		#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_16 -	#elif (CFG_CS1_WIDTH == 32) -		#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_32 -	#else -		#error	"CFG_CS1_WIDTH: Fault - wrong bus with for CS1" -	#endif -	MCFCSM_CSCR1 =	MCFCSM_CSCR_WS(CFG_CS1_WS) -			|CFG_CS1_PS -			|MCFCSM_CSCR_AA; +#if (CFG_CS1_WIDTH == 8) +#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_8 +#elif (CFG_CS1_WIDTH == 16) +#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_16 +#elif (CFG_CS1_WIDTH == 32) +#define	 CFG_CS1_PS  MCFCSM_CSCR_PS_32 +#else +#error	"CFG_CS1_WIDTH: Fault - wrong bus with for CS1" +#endif +	MCFCSM_CSCR1 = MCFCSM_CSCR_WS(CFG_CS1_WS) +	    | CFG_CS1_PS | MCFCSM_CSCR_AA; -	#if (CFG_CS1_RO != 0) -		MCFCSM_CSMR1 =	MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1) -				|MCFCSM_CSMR_WP -				|MCFCSM_CSMR_V; - 	#else -		MCFCSM_CSMR1 =	MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1) -				|MCFCSM_CSMR_V; -	#endif +#if (CFG_CS1_RO != 0) +	MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE - 1) +	    | MCFCSM_CSMR_WP | MCFCSM_CSMR_V; +#else +	MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE - 1) +	    | MCFCSM_CSMR_V; +#endif  #else -	#warning "Chip Select 1 are not initialized/used" +#warning "Chip Select 1 are not initialized/used"  #endif  #if defined(CFG_CS2_BASE) & defined(CFG_CS2_SIZE) & \ @@ -290,29 +298,27 @@ void cpu_init_f (void)  	MCFCSM_CSAR2 = (CFG_CS2_BASE >> 16) & 0xFFFF; -	#if (CFG_CS2_WIDTH == 8) -		#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_8 -	#elif (CFG_CS2_WIDTH == 16) -		#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_16 -	#elif (CFG_CS2_WIDTH == 32) -		#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_32 -	#else -		#error	"CFG_CS2_WIDTH: Fault - wrong bus with for CS2" -	#endif -	MCFCSM_CSCR2 =	MCFCSM_CSCR_WS(CFG_CS2_WS) -			|CFG_CS2_PS -			|MCFCSM_CSCR_AA; +#if (CFG_CS2_WIDTH == 8) +#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_8 +#elif (CFG_CS2_WIDTH == 16) +#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_16 +#elif (CFG_CS2_WIDTH == 32) +#define	 CFG_CS2_PS  MCFCSM_CSCR_PS_32 +#else +#error	"CFG_CS2_WIDTH: Fault - wrong bus with for CS2" +#endif +	MCFCSM_CSCR2 = MCFCSM_CSCR_WS(CFG_CS2_WS) +	    | CFG_CS2_PS | MCFCSM_CSCR_AA; -	#if (CFG_CS2_RO != 0) -		MCFCSM_CSMR2 =	MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1) -				|MCFCSM_CSMR_WP -				|MCFCSM_CSMR_V; - 	#else -		MCFCSM_CSMR2 =	MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1) -				|MCFCSM_CSMR_V; -	#endif +#if (CFG_CS2_RO != 0) +	MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE - 1) +	    | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;  #else -	#warning "Chip Select 2 are not initialized/used" +	MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE - 1) +	    | MCFCSM_CSMR_V; +#endif +#else +#warning "Chip Select 2 are not initialized/used"  #endif  #if defined(CFG_CS3_BASE) & defined(CFG_CS3_SIZE) & \ @@ -321,32 +327,30 @@ void cpu_init_f (void)  	MCFCSM_CSAR3 = (CFG_CS3_BASE >> 16) & 0xFFFF; -	#if (CFG_CS3_WIDTH == 8) -		#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_8 -	#elif (CFG_CS3_WIDTH == 16) -		#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_16 -	#elif (CFG_CS3_WIDTH == 32) -		#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_32 -	#else -		#error	"CFG_CS3_WIDTH: Fault - wrong bus with for CS1" -	#endif -	MCFCSM_CSCR3 =	MCFCSM_CSCR_WS(CFG_CS3_WS) -			|CFG_CS3_PS -			|MCFCSM_CSCR_AA; +#if (CFG_CS3_WIDTH == 8) +#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_8 +#elif (CFG_CS3_WIDTH == 16) +#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_16 +#elif (CFG_CS3_WIDTH == 32) +#define	 CFG_CS3_PS  MCFCSM_CSCR_PS_32 +#else +#error	"CFG_CS3_WIDTH: Fault - wrong bus with for CS1" +#endif +	MCFCSM_CSCR3 = MCFCSM_CSCR_WS(CFG_CS3_WS) +	    | CFG_CS3_PS | MCFCSM_CSCR_AA; -	#if (CFG_CS3_RO != 0) -		MCFCSM_CSMR3 =	MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1) -				|MCFCSM_CSMR_WP -				|MCFCSM_CSMR_V; - 	#else -		MCFCSM_CSMR3 =	MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1) -				|MCFCSM_CSMR_V; -	#endif +#if (CFG_CS3_RO != 0) +	MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE - 1) +	    | MCFCSM_CSMR_WP | MCFCSM_CSMR_V; +#else +	MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE - 1) +	    | MCFCSM_CSMR_V; +#endif  #else -	#warning "Chip Select 3 are not initialized/used" +#warning "Chip Select 3 are not initialized/used"  #endif -#endif /* CONFIG_MONITOR_IS_IN_RAM */ +#endif				/* CONFIG_MONITOR_IS_IN_RAM */  	/* defer enabling cache until boot (see do_go) */  	/* icache_enable(); */ @@ -355,10 +359,29 @@ void cpu_init_f (void)  /*   * initialize higher level parts of CPU like timers   */ -int cpu_init_r	(void) +int cpu_init_r(void)  {  	return (0);  } + +void uart_port_conf(void) +{ +	/* Setup Ports: */ +	switch (CFG_UART_PORT) { +	case 0: +		MCFGPIO_PUAPAR &= 0xFc; +		MCFGPIO_PUAPAR |= 0x03; +		break; +	case 1: +		MCFGPIO_PUAPAR &= 0xF3; +		MCFGPIO_PUAPAR |= 0x0C; +		break; +	case 2: +		MCFGPIO_PASPAR &= 0xFF0F; +		MCFGPIO_PASPAR |= 0x00A0; +		break; +	} +}  #endif  #if defined(CONFIG_M5249) @@ -369,7 +392,7 @@ int cpu_init_r	(void)   * initialize a bunch of registers,   * initialize the UPM's   */ -void cpu_init_f (void) +void cpu_init_f(void)  {  #ifndef CFG_PLL_BYPASS  	/* @@ -379,23 +402,23 @@ void cpu_init_f (void)  	volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR);  	unsigned long pllcr;  #ifdef CFG_FAST_CLK -	pllcr = 0x925a3100;			  /* ~140MHz clock (PLL bypass = 0) */ +	pllcr = 0x925a3100;	/* ~140MHz clock (PLL bypass = 0) */  #else -	pllcr = 0x135a4140;			  /* ~72MHz clock (PLL bypass = 0) */ +	pllcr = 0x135a4140;	/* ~72MHz clock (PLL bypass = 0) */  #endif -	cpll = cpll & 0xfffffffe;		  /* Set PLL bypass mode = 0 (PSTCLK = crystal) */ -	mbar2_writeLong(MCFSIM_PLLCR, cpll);	  /* Set the PLL to bypass mode (PSTCLK = crystal) */ -	mbar2_writeLong(MCFSIM_PLLCR, pllcr);	  /* set the clock speed */ -	pllcr ^= 0x00000001;			  /* Set pll bypass to 1 */ -	mbar2_writeLong(MCFSIM_PLLCR, pllcr);	  /* Start locking (pll bypass = 1) */ -	udelay(0x20);				  /* Wait for a lock ... */ -#endif /* #ifndef CFG_PLL_BYPASS */ +	cpll = cpll & 0xfffffffe;	/* Set PLL bypass mode = 0 (PSTCLK = crystal) */ +	mbar2_writeLong(MCFSIM_PLLCR, cpll);	/* Set the PLL to bypass mode (PSTCLK = crystal) */ +	mbar2_writeLong(MCFSIM_PLLCR, pllcr);	/* set the clock speed */ +	pllcr ^= 0x00000001;	/* Set pll bypass to 1 */ +	mbar2_writeLong(MCFSIM_PLLCR, pllcr);	/* Start locking (pll bypass = 1) */ +	udelay(0x20);		/* Wait for a lock ... */ +#endif				/* #ifndef CFG_PLL_BYPASS */  	/*  	 *  NOTE: by setting the GPIO_FUNCTION registers, we ensure that the UART pins -	 *	  (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins -	 *	  which is their primary function. -	 *	  ~Jeremy +	 *        (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins +	 *        which is their primary function. +	 *        ~Jeremy  	 */  	mbar2_writeLong(MCFSIM_GPIO_FUNC, CFG_GPIO_FUNC);  	mbar2_writeLong(MCFSIM_GPIO1_FUNC, CFG_GPIO1_FUNC); @@ -411,7 +434,7 @@ void cpu_init_f (void)  	 *    ~Jeremy  	 *  	 */ -	mbar_writeByte(MCFSIM_MPARK, 0x30);    /* 5249 Internal Core takes priority over DMA */ +	mbar_writeByte(MCFSIM_MPARK, 0x30);	/* 5249 Internal Core takes priority over DMA */  	mbar_writeByte(MCFSIM_SYPCR, 0x00);  	mbar_writeByte(MCFSIM_SWIVR, 0x0f);  	mbar_writeByte(MCFSIM_SWSR, 0x00); @@ -431,7 +454,7 @@ void cpu_init_f (void)  	mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);  	mbar2_writeByte(MCFSIM_INTBASE, 0x40);	/* Base interrupts at 64 */  	mbar2_writeByte(MCFSIM_SPURVEC, 0x00); -	mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020);	 /* Enable a 1 cycle pre-drive cycle on CS1 */ +	mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020);	/* Enable a 1 cycle pre-drive cycle on CS1 */  	/* Setup interrupt priorities for gpio7 */  	/* mbar2_writeLong(MCFSIM_INTLEV5, 0x70000000); */ @@ -459,8 +482,19 @@ void cpu_init_f (void)  /*   * initialize higher level parts of CPU like timers   */ -int cpu_init_r	(void) +int cpu_init_r(void)  {  	return (0);  } -#endif /* #if defined(CONFIG_M5249) */ + +void uart_port_conf(void) +{ +	/* Setup Ports: */ +	switch (CFG_UART_PORT) { +	case 0: +		break; +	case 1: +		break; +	} +} +#endif				/* #if defined(CONFIG_M5249) */ diff --git a/cpu/mcf52x2/fec.c b/cpu/mcf52x2/fec.c deleted file mode 100644 index ef9c7984c..000000000 --- a/cpu/mcf52x2/fec.c +++ /dev/null @@ -1,605 +0,0 @@ -/* - * (C) Copyright 2000-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <malloc.h> -#include <asm/fec.h> - -#ifdef  CONFIG_M5271 -#include <asm/m5271.h> -#include <asm/immap_5271.h> -#endif - -#ifdef	CONFIG_M5272 -#include <asm/m5272.h> -#include <asm/immap_5272.h> -#endif - -#ifdef	CONFIG_M5282 -#include <asm/m5282.h> -#include <asm/immap_5282.h> -#endif - -#include <net.h> -#include <command.h> - -#ifdef	CONFIG_M5272 -#define FEC_ADDR		(CFG_MBAR + 0x840) -#endif -#if defined(CONFIG_M5282) || defined(CONFIG_M5271) -#define FEC_ADDR 		(CFG_MBAR + 0x1000) -#endif - -#undef	ET_DEBUG -#undef	MII_DEBUG - -#if defined(CONFIG_CMD_NET) && defined(FEC_ENET) - -#ifdef CFG_DISCOVER_PHY -#include <miiphy.h> -static void mii_discover_phy (void); -#endif - -/* Ethernet Transmit and Receive Buffers */ -#define DBUF_LENGTH  1520 - -#define TX_BUF_CNT 2 - -#define TOUT_LOOP 100 - -#define PKT_MAXBUF_SIZE		1518 -#define PKT_MINBUF_SIZE		64 -#define PKT_MAXBLR_SIZE		1520 - - -static char txbuf[DBUF_LENGTH]; - -static uint rxIdx;		/* index of the current RX buffer */ -static uint txIdx;		/* index of the current TX buffer */ - -/* -  * FEC Ethernet Tx and Rx buffer descriptors allocated at the -  *  immr->udata_bd address on Dual-Port RAM -  * Provide for Double Buffering -  */ - -typedef volatile struct CommonBufferDescriptor { -	cbd_t rxbd[PKTBUFSRX];	/* Rx BD */ -	cbd_t txbd[TX_BUF_CNT];	/* Tx BD */ -} RTXBD; - -static RTXBD *rtx = NULL; - -int eth_send (volatile void *packet, int length) -{ -	int j, rc; -	volatile fec_t *fecp = (fec_t *) (FEC_ADDR); - -	/* section 16.9.23.3 -	 * Wait for ready -	 */ -	j = 0; -	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) -	       && (j < TOUT_LOOP)) { -		udelay (1); -		j++; -	} -	if (j >= TOUT_LOOP) { -		printf ("TX not ready\n"); -	} - -	rtx->txbd[txIdx].cbd_bufaddr = (uint) packet; -	rtx->txbd[txIdx].cbd_datlen = length; -	rtx->txbd[txIdx].cbd_sc |= BD_ENET_TX_READY | BD_ENET_TX_LAST; - -	/* Activate transmit Buffer Descriptor polling */ -	fecp->fec_x_des_active = 0x01000000;	/* Descriptor polling active    */ - -	j = 0; -	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) -	       && (j < TOUT_LOOP)) { -		udelay (1); -		j++; -	} -	if (j >= TOUT_LOOP) { -		printf ("TX timeout\n"); -	} -#ifdef ET_DEBUG -	printf ("%s[%d] %s: cycles: %d    status: %x  retry cnt: %d\n", -		__FILE__, __LINE__, __FUNCTION__, j, rtx->txbd[txIdx].cbd_sc, -		(rtx->txbd[txIdx].cbd_sc & 0x003C) >> 2); -#endif - -	/* return only status bits */ ; -	rc = (rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_STATS); - -	txIdx = (txIdx + 1) % TX_BUF_CNT; - -	return rc; -} - -int eth_rx (void) -{ -	int length; -	volatile fec_t *fecp = (fec_t *) FEC_ADDR; - -	for (;;) { -		/* section 16.9.23.2 */ -		if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) { -			length = -1; -			break;	/* nothing received - leave for() loop */ -		} - -		length = rtx->rxbd[rxIdx].cbd_datlen; - -		if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) { -#ifdef ET_DEBUG -			printf ("%s[%d] err: %x\n", -				__FUNCTION__, __LINE__, -				rtx->rxbd[rxIdx].cbd_sc); -#endif -		} else { -			/* Pass the packet up to the protocol layers. */ -			NetReceive (NetRxPackets[rxIdx], length - 4); -		} - -		/* Give the buffer back to the FEC. */ -		rtx->rxbd[rxIdx].cbd_datlen = 0; - -		/* wrap around buffer index when necessary */ -		if ((rxIdx + 1) >= PKTBUFSRX) { -			rtx->rxbd[PKTBUFSRX - 1].cbd_sc = -				(BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY); -			rxIdx = 0; -		} else { -			rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY; -			rxIdx++; -		} - -		/* Try to fill Buffer Descriptors */ -		fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active    */ -	} - -	return length; -} - -/************************************************************** - * - * FEC Ethernet Initialization Routine - * - *************************************************************/ -#define FEC_ECNTRL_ETHER_EN	0x00000002 -#define FEC_ECNTRL_RESET	0x00000001 - -#define FEC_RCNTRL_BC_REJ	0x00000010 -#define FEC_RCNTRL_PROM		0x00000008 -#define FEC_RCNTRL_MII_MODE	0x00000004 -#define FEC_RCNTRL_DRT		0x00000002 -#define FEC_RCNTRL_LOOP		0x00000001 - -#define FEC_TCNTRL_FDEN		0x00000004 -#define FEC_TCNTRL_HBC		0x00000002 -#define FEC_TCNTRL_GTS		0x00000001 - -#define	FEC_RESET_DELAY		50000 - -int eth_init (bd_t * bd) -{ -#ifndef CFG_ENET_BD_BASE -	DECLARE_GLOBAL_DATA_PTR; -#endif -	int i; -	volatile fec_t *fecp = (fec_t *) (FEC_ADDR); - -	/* Whack a reset. -	 * A delay is required between a reset of the FEC block and -	 * initialization of other FEC registers because the reset takes -	 * some time to complete. If you don't delay, subsequent writes -	 * to FEC registers might get killed by the reset routine which is -	 * still in progress. -	 */ -	fecp->fec_ecntrl = FEC_ECNTRL_RESET; -	for (i = 0; -	     (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY); -	     ++i) { -		udelay (1); -	} -	if (i == FEC_RESET_DELAY) { -		printf ("FEC_RESET_DELAY timeout\n"); -		return 0; -	} - -	/* We use strictly polling mode only -	 */ -	fecp->fec_imask = 0; - -	/* Clear any pending interrupt */ -	fecp->fec_ievent = 0xffffffff; - -	/* Set station address   */ -#define ea bd->bi_enetaddr -	fecp->fec_addr_low = (ea[0] << 24) | (ea[1] << 16) | -		(ea[2] << 8) | (ea[3]); -	fecp->fec_addr_high = (ea[4] << 24) | (ea[5] << 16); -#ifdef ET_DEBUG -	printf ("Eth Addrs: %02x:%02x:%02x:%02x:%02x:%02x\n", -		ea[0], ea[1], ea[2], ea[3], ea[4], ea[5]); -#endif -#undef ea - -#ifdef CONFIG_M5271 -	/* Clear multicast address hash table -	 */ -	fecp->fec_ghash_table_high = 0; -	fecp->fec_ghash_table_low = 0; - -	/* Clear individual address hash table -	 */ -	fecp->fec_ihash_table_high = 0; -	fecp->fec_ihash_table_low = 0; -#else -	/* Clear multicast address hash table -	 */ -#ifdef	CONFIG_M5282 -	fecp->fec_ihash_table_high = 0; -	fecp->fec_ihash_table_low = 0; -#else -	fecp->fec_hash_table_high = 0; -	fecp->fec_hash_table_low = 0; -#endif -#endif - -	/* Set maximum receive buffer size. -	 */ -	fecp->fec_r_buff_size = PKT_MAXBLR_SIZE; - -	/* -	 * Setup Buffers and Buffer Desriptors -	 */ -	rxIdx = 0; -	txIdx = 0; - -	if (!rtx) { -#ifdef CFG_ENET_BD_BASE -		rtx = (RTXBD *) CFG_ENET_BD_BASE; -#else -		rtx = (RTXBD *) (CFG_MONITOR_BASE+gd->reloc_off - -				 (((PKTBUFSRX+TX_BUF_CNT)*+sizeof(cbd_t) -				  +0xFF) -				  & ~0xFF) -				); -		debug("set ENET_DB_BASE to %lX\n",(long) rtx); -#endif -	} - -	/* -	 * Setup Receiver Buffer Descriptors (13.14.24.18) -	 * Settings: -	 *     Empty, Wrap -	 */ -	for (i = 0; i < PKTBUFSRX; i++) { -		rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY; -		rtx->rxbd[i].cbd_datlen = 0;	/* Reset */ -		rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i]; -	} -	rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP; - -	/* -	 * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19) -	 * Settings: -	 *    Last, Tx CRC -	 */ -	for (i = 0; i < TX_BUF_CNT; i++) { -		rtx->txbd[i].cbd_sc = BD_ENET_TX_LAST | BD_ENET_TX_TC; -		rtx->txbd[i].cbd_datlen = 0;	/* Reset */ -		rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]); -	} -	rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP; - -	/* Set receive and transmit descriptor base -	 */ -	fecp->fec_r_des_start = (unsigned int) (&rtx->rxbd[0]); -	fecp->fec_x_des_start = (unsigned int) (&rtx->txbd[0]); - -	/* Enable MII mode -	 */ - -#if 0	/* Full duplex mode */ -	fecp->fec_r_cntrl = FEC_RCNTRL_MII_MODE; -	fecp->fec_x_cntrl = FEC_TCNTRL_FDEN; -#else	/* Half duplex mode */ -	fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16); /* set max frame length */ -	fecp->fec_r_cntrl |= FEC_RCNTRL_MII_MODE | FEC_RCNTRL_DRT; -	fecp->fec_x_cntrl = 0; -#endif -	/* Set MII speed */ -	fecp->fec_mii_speed = (((CFG_CLK / 2) / (2500000 / 10)) + 5) / 10; -	fecp->fec_mii_speed *= 2; - -	/* Configure port B for MII. -	 */ -	/* port initialization was already made in cpu_init_f() */ - -	/* Now enable the transmit and receive processing -	 */ -	fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN; - -#ifdef CFG_DISCOVER_PHY -	/* wait for the PHY to wake up after reset */ -	mii_discover_phy (); -#endif - -	/* And last, try to fill Rx Buffer Descriptors */ -	fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active    */ - -	return 1; -} - -void eth_halt (void) -{ -	volatile fec_t *fecp = (fec_t *) FEC_ADDR; - -	fecp->fec_ecntrl = 0; -} - - -#if defined(CFG_DISCOVER_PHY) || defined(CONFIG_CMD_MII) - -static int phyaddr = -1;	/* didn't find a PHY yet */ -static uint phytype; - -/* Make MII read/write commands for the FEC. -*/ - -#define mk_mii_read(ADDR, REG)	(0x60020000 | ((ADDR << 23) | \ -						(REG & 0x1f) << 18)) - -#define mk_mii_write(ADDR, REG, VAL)	(0x50020000 | ((ADDR << 23) | \ -						(REG & 0x1f) << 18) | \ -						(VAL & 0xffff)) - -/* Interrupt events/masks. -*/ -#define FEC_ENET_HBERR	((uint)0x80000000)	/* Heartbeat error */ -#define FEC_ENET_BABR	((uint)0x40000000)	/* Babbling receiver */ -#define FEC_ENET_BABT	((uint)0x20000000)	/* Babbling transmitter */ -#define FEC_ENET_GRA	((uint)0x10000000)	/* Graceful stop complete */ -#define FEC_ENET_TXF	((uint)0x08000000)	/* Full frame transmitted */ -#define FEC_ENET_TXB	((uint)0x04000000)	/* A buffer was transmitted */ -#define FEC_ENET_RXF	((uint)0x02000000)	/* Full frame received */ -#define FEC_ENET_RXB	((uint)0x01000000)	/* A buffer was received */ -#define FEC_ENET_MII	((uint)0x00800000)	/* MII interrupt */ -#define FEC_ENET_EBERR	((uint)0x00400000)	/* SDMA bus error */ - -/* PHY identification - */ -#define PHY_ID_LXT970		0x78100000	/* LXT970 */ -#define PHY_ID_LXT971		0x001378e0	/* LXT971 and 972 */ -#define PHY_ID_82555		0x02a80150	/* Intel 82555 */ -#define PHY_ID_QS6612		0x01814400	/* QS6612 */ -#define PHY_ID_AMD79C784	0x00225610	/* AMD 79C784 */ -#define PHY_ID_LSI80225		0x0016f870	/* LSI 80225 */ -#define PHY_ID_LSI80225B	0x0016f880	/* LSI 80225/B */ - -/* send command to phy using mii, wait for result */ -static uint mii_send (uint mii_cmd) -{ -	uint mii_reply; -	volatile fec_t *ep = (fec_t *) (FEC_ADDR); - -	ep->fec_mii_data = mii_cmd;	/* command to phy */ - -	/* wait for mii complete */ -	while (!(ep->fec_ievent & FEC_ENET_MII));	/* spin until done */ -	mii_reply = ep->fec_mii_data;	/* result from phy */ -	ep->fec_ievent = FEC_ENET_MII;	/* clear MII complete */ -#ifdef ET_DEBUG -	printf ("%s[%d] %s: sent=0x%8.8x, reply=0x%8.8x\n", -		__FILE__, __LINE__, __FUNCTION__, mii_cmd, mii_reply); -#endif -	return (mii_reply & 0xffff);	/* data read from phy */ -} -#endif - -#if defined(CFG_DISCOVER_PHY) -static void mii_discover_phy (void) -{ -#define MAX_PHY_PASSES 11 -	uint phyno; -	int pass; - -	phyaddr = -1;		/* didn't find a PHY yet */ -	for (pass = 1; pass <= MAX_PHY_PASSES && phyaddr < 0; ++pass) { -		if (pass > 1) { -			/* PHY may need more time to recover from reset. -			 * The LXT970 needs 50ms typical, no maximum is -			 * specified, so wait 10ms before try again. -			 * With 11 passes this gives it 100ms to wake up. -			 */ -			udelay (10000);	/* wait 10ms */ -		} -		for (phyno = 1; phyno < 32 && phyaddr < 0; ++phyno) { -			phytype = mii_send (mk_mii_read (phyno, PHY_PHYIDR1)); -#ifdef ET_DEBUG -			printf ("PHY type 0x%x pass %d type ", phytype, pass); -#endif -			if (phytype != 0xffff) { -				phyaddr = phyno; -				phytype <<= 16; -				phytype |= mii_send (mk_mii_read (phyno, -								  PHY_PHYIDR2)); - -#ifdef ET_DEBUG -				printf ("PHY @ 0x%x pass %d type ", phyno, -					pass); -				switch (phytype & 0xfffffff0) { -				case PHY_ID_LXT970: -					printf ("LXT970\n"); -					break; -				case PHY_ID_LXT971: -					printf ("LXT971\n"); -					break; -				case PHY_ID_82555: -					printf ("82555\n"); -					break; -				case PHY_ID_QS6612: -					printf ("QS6612\n"); -					break; -				case PHY_ID_AMD79C784: -					printf ("AMD79C784\n"); -					break; -				case PHY_ID_LSI80225B: -					printf ("LSI L80225/B\n"); -					break; -				default: -					printf ("0x%08x\n", phytype); -					break; -				} -#endif -			} -		} -	} -	if (phyaddr < 0) { -		printf ("No PHY device found.\n"); -	} -} -#endif /* CFG_DISCOVER_PHY */ - -#if defined(CONFIG_CMD_MII) && !defined(CONFIG_BITBANGMII) - -static int mii_init_done = 0; - -/**************************************************************************** - * mii_init -- Initialize the MII for MII command without ethernet - * This function is a subset of eth_init - **************************************************************************** - */ -void mii_init (void) -{ -	volatile fec_t *fecp = (fec_t *) (FEC_ADDR); - -	int i; - -	if (mii_init_done != 0) { -		return; -	} - -	/* Whack a reset. -	 * A delay is required between a reset of the FEC block and -	 * initialization of other FEC registers because the reset takes -	 * some time to complete. If you don't delay, subsequent writes -	 * to FEC registers might get killed by the reset routine which is -	 * still in progress. -	 */ - -	fecp->fec_ecntrl = FEC_ECNTRL_RESET; -	for (i = 0; -	     (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY); -	     ++i) { -		udelay (1); -	} -	if (i == FEC_RESET_DELAY) { -		printf ("FEC_RESET_DELAY timeout\n"); -		return; -	} - -	/* We use strictly polling mode only -	 */ -	fecp->fec_imask = 0; - -	/* Clear any pending interrupt -	 */ -	fecp->fec_ievent = 0xffffffff; - -	/* Set MII speed */ -	fecp->fec_mii_speed = 0x0e; - -	/* Configure port B for MII. -	 */ -	/* port initialization was already made in cpu_init_f() */ - -	/* Now enable the transmit and receive processing */ -	fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN; - -	mii_init_done = 1; -} - -/***************************************************************************** - * Read and write a MII PHY register, routines used by MII Utilities - * - * FIXME: These routines are expected to return 0 on success, but mii_send - *	  does _not_ return an error code. Maybe 0xFFFF means error, i.e. - *	  no PHY connected... - *	  For now always return 0. - * FIXME: These routines only work after calling eth_init() at least once! - *	  Otherwise they hang in mii_send() !!! Sorry! - *****************************************************************************/ - -int mcf52x2_miiphy_read (char *devname, unsigned char addr, -		unsigned char reg, unsigned short *value) -{ -	short rdreg;		/* register working value */ - -#ifdef MII_DEBUG -	printf ("miiphy_read(0x%x) @ 0x%x = ", reg, addr); -#endif -	rdreg = mii_send (mk_mii_read (addr, reg)); - -	*value = rdreg; - -#ifdef MII_DEBUG -	printf ("0x%04x\n", *value); -#endif - -	return 0; -} - -int mcf52x2_miiphy_write (char *devname, unsigned char addr, -		unsigned char reg, unsigned short value) -{ -	short rdreg;		/* register working value */ - -#ifdef MII_DEBUG -	printf ("miiphy_write(0x%x) @ 0x%x = ", reg, addr); -#endif - -	rdreg = mii_send (mk_mii_write (addr, reg, value)); - -#ifdef MII_DEBUG -	printf ("0x%04x\n", value); -#endif - -	return 0; -} -#endif -#endif - -int mcf52x2_miiphy_initialize(bd_t *bis) -{ -#if defined(CONFIG_CMD_NET) && defined(FEC_ENET) -#if defined(CONFIG_CMD_MII) && !defined(CONFIG_BITBANGMII) -	miiphy_register("mcf52x2phy", mcf52x2_miiphy_read, mcf52x2_miiphy_write); -#endif -#endif -	return 0; -} diff --git a/cpu/mcf52x2/interrupts.c b/cpu/mcf52x2/interrupts.c index 116747ad3..d9a35bb8c 100644 --- a/cpu/mcf52x2/interrupts.c +++ b/cpu/mcf52x2/interrupts.c @@ -26,168 +26,77 @@  #include <common.h>  #include <watchdog.h>  #include <asm/processor.h> - -#ifdef	CONFIG_M5271 -#include <asm/m5271.h> -#include <asm/immap_5271.h> -#endif +#include <asm/immap.h>  #ifdef	CONFIG_M5272 -#include <asm/m5272.h> -#include <asm/immap_5272.h> -#endif - -#ifdef	CONFIG_M5282 -#include <asm/m5282.h> -#include <asm/immap_5282.h> -#endif - -#ifdef	CONFIG_M5249 -#include <asm/m5249.h> -#endif - - -#define	NR_IRQS		31 - -/* - * Interrupt vector functions. - */ -struct interrupt_action { -	interrupt_handler_t *handler; -	void *arg; -}; - -static struct interrupt_action irq_vecs[NR_IRQS]; - -static __inline__ unsigned short get_sr (void) -{ -	unsigned short sr; - -	asm volatile ("move.w %%sr,%0":"=r" (sr):); - -	return sr; -} - -static __inline__ void set_sr (unsigned short sr) +int interrupt_init(void)  { -	asm volatile ("move.w %0,%%sr"::"r" (sr)); -} +	volatile intctrl_t *intp = (intctrl_t *) (MMAP_INTC); -/************************************************************************/ -/* - * Install and free an interrupt handler - */ -void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg) -{ -#ifdef	CONFIG_M5272 -	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1); -#endif -	int vec_base = 0; - -#ifdef	CONFIG_M5272 -	vec_base = intp->int_pivr & 0xe0; -#endif - -	if ((vec < vec_base) || (vec > vec_base + NR_IRQS)) { -		printf ("irq_install_handler: wrong interrupt vector %d\n", -			vec); -		return; -	} - -	irq_vecs[vec - vec_base].handler = handler; -	irq_vecs[vec - vec_base].arg = arg; -} - -void irq_free_handler (int vec) -{ -#ifdef	CONFIG_M5272 -	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1); -#endif -	int vec_base = 0; - -#ifdef	CONFIG_M5272 -	vec_base = intp->int_pivr & 0xe0; -#endif +	/* disable all external interrupts */ +	intp->int_icr1 = 0x88888888; +	intp->int_icr2 = 0x88888888; +	intp->int_icr3 = 0x88888888; +	intp->int_icr4 = 0x88888888; +	intp->int_pitr = 0x00000000; +	/* initialize vector register */ +	intp->int_pivr = 0x40; -	if ((vec < vec_base) || (vec > vec_base + NR_IRQS)) { -		return; -	} +	enable_interrupts(); -	irq_vecs[vec - vec_base].handler = NULL; -	irq_vecs[vec - vec_base].arg = NULL; +	return 0;  } -void enable_interrupts (void) +#if defined(CONFIG_MCFTMR) +void dtimer_intr_setup(void)  { -	unsigned short sr; +	volatile intctrl_t *intp = (intctrl_t *) (CFG_INTR_BASE); -	sr = get_sr (); -	set_sr (sr & ~0x0700); +	intp->int_icr1 &= ~INT_ICR1_TMR3MASK; +	intp->int_icr1 |= CFG_TMRINTR_PRI;  } +#endif				/* CONFIG_MCFTMR */ +#endif				/* CONFIG_M5272 */ -int disable_interrupts (void) +#if defined(CONFIG_M5282) || defined(CONFIG_M5271) +int interrupt_init(void)  { -	unsigned short sr; +	volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE); -	sr = get_sr (); -	set_sr (sr | 0x0700); +	/* Make sure all interrupts are disabled */ +	intp->imrl0 |= 0x1; -	return ((sr & 0x0700) == 0);	/* return TRUE, if interrupts were enabled before */ +	enable_interrupts(); +	return 0;  } -void int_handler (struct pt_regs *fp) +#if defined(CONFIG_MCFTMR) +void dtimer_intr_setup(void)  { -#ifdef	CONFIG_M5272 -	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1); -#endif -	int vec, vec_base = 0; - -	vec = (fp->vector >> 2) & 0xff; -#ifdef	CONFIG_M5272 -	vec_base = intp->int_pivr & 0xe0; -#endif +	volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE); -	if (irq_vecs[vec - vec_base].handler != NULL) { -		irq_vecs[vec - -			 vec_base].handler (irq_vecs[vec - vec_base].arg); -	} else { -		printf ("\nBogus External Interrupt Vector %d\n", vec); -	} +	intp->icr0[CFG_TMRINTR_NO] = CFG_TMRINTR_PRI; +	intp->imrl0 &= ~0xFFFFFFFE; +	intp->imrl0 &= ~CFG_TMRINTR_MASK;  } +#endif				/* CONFIG_MCFTMR */ +#endif				/* CONFIG_M5282 | CONFIG_M5271 */ - -#ifdef	CONFIG_M5272 -int interrupt_init (void) +#ifdef	CONFIG_M5249 +int interrupt_init(void)  { -	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1); - -	/* disable all external interrupts */ -	intp->int_icr1 = 0x88888888; -	intp->int_icr2 = 0x88888888; -	intp->int_icr3 = 0x88888888; -	intp->int_icr4 = 0x88888888; -	intp->int_pitr = 0x00000000; -	/* initialize vector register */ -	intp->int_pivr = 0x40; - -	enable_interrupts (); +	enable_interrupts();  	return 0;  } -#endif -#if defined(CONFIG_M5282) || defined(CONFIG_M5271) -int interrupt_init (void) -{ -	return 0; -} -#endif - -#ifdef	CONFIG_M5249 -int interrupt_init (void) +#if defined(CONFIG_MCFTMR) +void dtimer_intr_setup(void)  { -	enable_interrupts (); - -	return 0; +	mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400); +	mbar_writeByte(MCFSIM_TIMER2ICR, +		       MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL7 | +		       MCFSIM_ICR_PRI3);  } -#endif +#endif				/* CONFIG_MCFTMR */ +#endif				/* CONFIG_M5249 */ diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c deleted file mode 100644 index 8be09e34f..000000000 --- a/cpu/mcf52x2/serial.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - * (C) Copyright 2000-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <command.h> -#include <watchdog.h> - -#include <asm/mcfuart.h> - -#ifdef CONFIG_M5271 -#include <asm/m5271.h> -#endif - -#ifdef CONFIG_M5272 -#include <asm/m5272.h> -#endif - -#ifdef CONFIG_M5282 -#include <asm/m5282.h> -#endif - -#ifdef CONFIG_M5249 -#include <asm/m5249.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -#if defined(CONFIG_M5249) || defined(CONFIG_M5271) -#define DoubleClock(a) ((double)(CFG_CLK/2) / 32.0 / (double)(a)) -#else -#define DoubleClock(a) ((double)(CFG_CLK) / 32.0 / (double)(a)) -#endif - -void rs_serial_setbaudrate(int port,int baudrate) -{ -#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5271) -	volatile unsigned char	*uartp; -# ifndef CONFIG_M5271 -	double fraction; -# endif -	double clock; - -	if (port == 0) -		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); -	else -		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2); - -	clock = DoubleClock(baudrate);	/* Set baud above */ - -	uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff);	/* set msb baud */ -	uartp[MCFUART_UBG2] = ((int)clock & 0xff);		/* set lsb baud */ - -# ifndef CONFIG_M5271 -	fraction = ((clock - (int)clock) * 16.0) + 0.5; -	uartp[MCFUART_UFPD] = ((int)fraction & 0xf);	/* set baud fraction adjust */ -# endif -#endif - -#if  defined(CONFIG_M5282) -	volatile unsigned char	*uartp; -	long clock; - -	switch (port) { -	case 1: -		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2); -		break; -	case 2: -		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3); -		break; -	default: -		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); -	} - -	clock = (long) CFG_CLK / ((long) 32 * baudrate);	/* Set baud above */ - -	uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff);	/* set msb baud */ -	uartp[MCFUART_UBG2] = ((int) clock & 0xff);		/* set lsb baud */ - -#endif -}; - -void rs_serial_init (int port, int baudrate) -{ -	volatile unsigned char *uartp; - -	/* -	 *      Reset UART, get it into known state... -	 */ -	switch (port) { -	case 1: -		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2); -		break; -#if  defined(CONFIG_M5282) -	case 2: -		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3); -		break; -#endif -	default: -		uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); -	} - -	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX;	/* reset TX */ -	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX;	/* reset RX */ - -	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETMRPTR;	/* reset MR pointer */ -	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR;	/* reset Error pointer */ - -	/* -	 * Set port for CONSOLE_BAUD_RATE, 8 data bits, 1 stop bit, no parity. -	 */ -	uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8; -	uartp[MCFUART_UMR] = MCFUART_MR2_STOP1; - -	/* Mask UART interrupts */ -	uartp[MCFUART_UIMR] = 0; - -	/* Set clock Select Register: Tx/Rx clock is timer */ -	uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER; - -	rs_serial_setbaudrate (port, baudrate); - -	/* Enable Tx/Rx */ -	uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE; - -	return; -} - -/****************************************************************************/ -/* - *	Output a single character, using UART polled mode. - *	This is used for console output. - */ - -void rs_put_char(char ch) -{ -	volatile unsigned char	*uartp; -	int			i; - -	uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); - -	for (i = 0; (i < 0x10000); i++) { -		if (uartp[MCFUART_USR] & MCFUART_USR_TXREADY) -			break; -	} -	uartp[MCFUART_UTB] = ch; -	return; -} - -int rs_is_char(void) -{ -	volatile unsigned char	*uartp; - -	uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); -	return((uartp[MCFUART_USR] & MCFUART_USR_RXREADY) ? 1 : 0); -} - -int rs_get_char(void) -{ -	volatile unsigned char	*uartp; - -	uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); -	return(uartp[MCFUART_URB]); -} - -void serial_setbrg(void) { -	rs_serial_setbaudrate(0,gd->bd->bi_baudrate); -} - -int serial_init(void) { -	rs_serial_init(0,gd->baudrate); -	return 0; -} - - -void serial_putc(const char c) { -	if (c == '\n') -		serial_putc ('\r'); -	rs_put_char(c); -} - -void serial_puts (const char *s) { -	while (*s) -		serial_putc(*s++); -} - -int serial_getc(void) { -	while(!rs_is_char()) -		WATCHDOG_RESET(); - -	return rs_get_char(); -} - -int serial_tstc() { -	return rs_is_char(); -} diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S index 7c9a7d2d2..6783d4d94 100644 --- a/cpu/mcf52x2/start.S +++ b/cpu/mcf52x2/start.S @@ -159,7 +159,7 @@ _copy_flash:  _flashbar_setup:  	/* Initialize FLASHBAR: locate internal Flash and validate it */ -	move.l	#(CFG_INT_FLASH_BASE + 0x21), %d0 +	move.l	#(CFG_INT_FLASH_BASE + CFG_INT_FLASH_ENABLE), %d0  	movec	%d0, %RAMBAR0  	jmp _after_flashbar_copy.L	/* Force jump to absolute address */  _flashbar_setup_end: @@ -167,7 +167,7 @@ _flashbar_setup_end:  _after_flashbar_copy:  #else  	/* Setup code to initialize FLASHBAR, if start from external Memory */ -	move.l	#(CFG_INT_FLASH_BASE + 0x21), %d0 +	move.l	#(CFG_INT_FLASH_BASE + CFG_INT_FLASH_ENABLE), %d0  	movec	%d0, %RAMBAR0  #endif /* (TEXT_BASE == CFG_INT_FLASH_BASE) */ @@ -326,10 +326,10 @@ clear_bss:  	/* set parameters for board_init_r */  	move.l %a0,-(%sp)		/* dest_addr */  	move.l %d0,-(%sp)		/* gd */ -	#if defined(DEBUG) && (TEXT_BASE != CFG_INT_FLASH_BASE) && \ -	    defined(CFG_HALT_BEFOR_RAM_JUMP) - 		halt -	#endif +#if defined(DEBUG) && (TEXT_BASE != CFG_INT_FLASH_BASE) && \ +    defined(CFG_HALT_BEFOR_RAM_JUMP) +	halt +#endif  	jsr	(%a1)  /*------------------------------------------------------------------------------*/ @@ -356,6 +356,24 @@ _int_handler:  /*------------------------------------------------------------------------------*/  /* cache functions */ +#ifdef	CONFIG_M5271 +	.globl	icache_enable +icache_enable: +	move.l	#0x01000000, %d0		/* Invalidate cache cmd */ +	movec	%d0, %CACR			/* Invalidate cache */ +	move.l	#(CFG_SDRAM_BASE + 0xc000), %d0	/* Setup cache mask */ +	movec	%d0, %ACR0			/* Enable cache */ + +	move.l	#0x80000200, %d0		/* Setup cache mask */ +	movec	%d0, %CACR			/* Enable cache */ +	nop + +	move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1 +	moveq	#1, %d0 +	move.l	%d0, (%a1) +	rts +#endif +  #ifdef	CONFIG_M5272  	.globl	icache_enable  icache_enable: @@ -426,13 +444,29 @@ icache_state_access_2:  	.globl	icache_status  icache_status:  icache_state_access_3: -	move.l	icache_state, %d0 +	move.l	#(icache_state), %a0 +	move.l	(%a0), %d0  	rts  	.data  icache_state:  	.long	0	/* cache is diabled on inirialization */ +	.globl	dcache_enable +dcache_enable: +	/* dummy function */ +	rts + +	.globl	dcache_disable +dcache_disable: +	/* dummy function */ +	rts + +	.globl	dcache_status +dcache_status: +	/* dummy function */ +	rts +  /*------------------------------------------------------------------------------*/  	.globl	version_string diff --git a/lib_m68k/time.c b/lib_m68k/time.c index 6c19059e6..28d371d5e 100644 --- a/lib_m68k/time.c +++ b/lib_m68k/time.c @@ -25,288 +25,12 @@  #include <common.h> -#include <asm/mcftimer.h>  #include <asm/timer.h>  #include <asm/immap.h> -#ifdef	CONFIG_M5271 -#include <asm/m5271.h> -#include <asm/immap_5271.h> -#endif - -#ifdef	CONFIG_M5272 -#include <asm/m5272.h> -#include <asm/immap_5272.h> -#endif - -#ifdef	CONFIG_M5282 -#include <asm/m5282.h> -#endif - -#ifdef	CONFIG_M5249 -#include <asm/m5249.h> -#include <asm/immap_5249.h> -#endif -  DECLARE_GLOBAL_DATA_PTR;  static ulong timestamp; -#if defined(CONFIG_M5282) || defined(CONFIG_M5271) -static unsigned short lastinc; -#endif - -#if defined(CONFIG_M5272) -/* - * We use timer 3 which is running with a period of 1 us - */ -void udelay(unsigned long usec) -{ -	volatile timer_t *timerp = (timer_t *) (CFG_MBAR + MCFTIMER_BASE3); -	uint start, now, tmp; - -	while (usec > 0) { -		if (usec > 65000) -			tmp = 65000; -		else -			tmp = usec; -		usec = usec - tmp; - -		/* Set up TIMER 3 as timebase clock */ -		timerp->timer_tmr = MCFTIMER_TMR_DISABLE; -		timerp->timer_tcn = 0; -		/* set period to 1 us */ -		timerp->timer_tmr = -		    (((CFG_CLK / 1000000) - -		      1) << 8) | MCFTIMER_TMR_CLK1 | MCFTIMER_TMR_FREERUN | -		    MCFTIMER_TMR_ENABLE; - -		start = now = timerp->timer_tcn; -		while (now < start + tmp) -			now = timerp->timer_tcn; -	} -} - -void mcf_timer_interrupt(void *not_used) -{ -	volatile timer_t *timerp = (timer_t *) (CFG_MBAR + MCFTIMER_BASE4); -	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1); - -	/* check for timer 4 interrupts */ -	if ((intp->int_isr & 0x01000000) != 0) { -		return; -	} - -	/* reset timer */ -	timerp->timer_ter = MCFTIMER_TER_CAP | MCFTIMER_TER_REF; -	timestamp++; -} - -void timer_init(void) -{ -	volatile timer_t *timerp = (timer_t *) (CFG_MBAR + MCFTIMER_BASE4); -	volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1); - -	timestamp = 0; - -	/* Set up TIMER 4 as clock */ -	timerp->timer_tmr = MCFTIMER_TMR_DISABLE; - -	/* initialize and enable timer 4 interrupt */ -	irq_install_handler(72, mcf_timer_interrupt, 0); -	intp->int_icr1 |= 0x0000000d; - -	timerp->timer_tcn = 0; -	timerp->timer_trr = 1000;	/* Interrupt every ms */ -	/* set a period of 1us, set timer mode to restart and enable timer and interrupt */ -	timerp->timer_tmr = -	    (((CFG_CLK / 1000000) - -	      1) << 8) | MCFTIMER_TMR_CLK1 | MCFTIMER_TMR_RESTART | -	    MCFTIMER_TMR_ENORI | MCFTIMER_TMR_ENABLE; -} - -void reset_timer(void) -{ -	timestamp = 0; -} - -ulong get_timer(ulong base) -{ -	return (timestamp - base); -} - -void set_timer(ulong t) -{ -	timestamp = t; -} -#endif - -#if defined(CONFIG_M5282) || defined(CONFIG_M5271) - -void udelay(unsigned long usec) -{ -	volatile unsigned short *timerp; -	uint tmp; - -	timerp = (volatile unsigned short *)(CFG_MBAR + MCFTIMER_BASE3); - -	while (usec > 0) { -		if (usec > 65000) -			tmp = 65000; -		else -			tmp = usec; -		usec = usec - tmp; - -		/* Set up TIMER 3 as timebase clock */ -		timerp[MCFTIMER_PCSR] = MCFTIMER_PCSR_OVW; -		timerp[MCFTIMER_PMR] = 0; -		/* set period to 1 us */ -		timerp[MCFTIMER_PCSR] = -#ifdef CONFIG_M5271 -		    (6 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; -#else				/* !CONFIG_M5271 */ -		    (5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; -#endif				/* CONFIG_M5271 */ - -		timerp[MCFTIMER_PMR] = tmp; -		while (timerp[MCFTIMER_PCNTR] > 0) ; -	} -} - -void timer_init(void) -{ -	volatile unsigned short *timerp; - -	timerp = (volatile unsigned short *)(CFG_MBAR + MCFTIMER_BASE4); -	timestamp = 0; - -	/* Set up TIMER 4 as poll clock */ -	timerp[MCFTIMER_PCSR] = MCFTIMER_PCSR_OVW; -	timerp[MCFTIMER_PMR] = lastinc = 0; -	timerp[MCFTIMER_PCSR] = -#ifdef CONFIG_M5271 -	    (6 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; -#else				/* !CONFIG_M5271 */ -	    (5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; -#endif				/* CONFIG_M5271 */ -} - -void set_timer(ulong t) -{ -	volatile unsigned short *timerp; - -	timerp = (volatile unsigned short *)(CFG_MBAR + MCFTIMER_BASE4); -	timestamp = 0; -	timerp[MCFTIMER_PMR] = lastinc = 0; -} - -ulong get_timer(ulong base) -{ -	unsigned short now, diff; -	volatile unsigned short *timerp; - -	timerp = (volatile unsigned short *)(CFG_MBAR + MCFTIMER_BASE4); -	now = timerp[MCFTIMER_PCNTR]; -	diff = -(now - lastinc); - -	timestamp += diff; -	lastinc = now; -	return timestamp - base; -} - -void wait_ticks(unsigned long ticks) -{ -	set_timer(0); -	while (get_timer(0) < ticks) ; -} -#endif - -#if defined(CONFIG_M5249) -/* - * We use timer 1 which is running with a period of 1 us - */ -void udelay(unsigned long usec) -{ -	volatile timer_t *timerp = (timer_t *) (CFG_MBAR + MCFTIMER_BASE1); -	uint start, now, tmp; - -	while (usec > 0) { -		if (usec > 65000) -			tmp = 65000; -		else -			tmp = usec; -		usec = usec - tmp; - -		/* Set up TIMER 1 as timebase clock */ -		timerp->timer_tmr = MCFTIMER_TMR_DISABLE; -		timerp->timer_tcn = 0; -		/* set period to 1 us */ -		/* on m5249 the system clock is (cpu_clk / 2) -> divide by 2000000 */ -		timerp->timer_tmr = -		    (((CFG_CLK / 2000000) - -		      1) << 8) | MCFTIMER_TMR_CLK1 | MCFTIMER_TMR_FREERUN | -		    MCFTIMER_TMR_ENABLE; - -		start = now = timerp->timer_tcn; -		while (now < start + tmp) -			now = timerp->timer_tcn; -	} -} - -void mcf_timer_interrupt(void *not_used) -{ -	volatile timer_t *timerp = (timer_t *) (CFG_MBAR + MCFTIMER_BASE2); - -	/* check for timer 2 interrupts */ -	if ((mbar_readLong(MCFSIM_IPR) & 0x00000400) == 0) { -		return; -	} - -	/* reset timer */ -	timerp->timer_ter = MCFTIMER_TER_CAP | MCFTIMER_TER_REF; -	timestamp++; -} - -void timer_init(void) -{ -	volatile timer_t *timerp = (timer_t *) (CFG_MBAR + MCFTIMER_BASE2); - -	timestamp = 0; - -	/* Set up TIMER 2 as clock */ -	timerp->timer_tmr = MCFTIMER_TMR_DISABLE; - -	/* initialize and enable timer 2 interrupt */ -	irq_install_handler(31, mcf_timer_interrupt, 0); -	mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400); -	mbar_writeByte(MCFSIM_TIMER2ICR, -		       MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL7 | -		       MCFSIM_ICR_PRI3); - -	timerp->timer_tcn = 0; -	timerp->timer_trr = 1000;	/* Interrupt every ms */ -	/* set a period of 1us, set timer mode to restart and enable timer and interrupt */ -	/* on m5249 the system clock is (cpu_clk / 2) -> divide by 2000000 */ -	timerp->timer_tmr = -	    (((CFG_CLK / 2000000) - -	      1) << 8) | MCFTIMER_TMR_CLK1 | MCFTIMER_TMR_RESTART | -	    MCFTIMER_TMR_ENORI | MCFTIMER_TMR_ENABLE; -} - -void reset_timer(void) -{ -	timestamp = 0; -} - -ulong get_timer(ulong base) -{ -	return (timestamp - base); -} - -void set_timer(ulong t) -{ -	timestamp = t; -} -#endif  #if defined(CONFIG_MCFTMR)  #ifndef CFG_UDELAY_BASE |