diff options
| author | Sonic Zhang <sonic.zhang@analog.com> | 2012-08-16 11:56:14 +0800 | 
|---|---|---|
| committer | sonic <sonic@sonic-linuxvm.(none)> | 2013-03-04 13:42:06 +0800 | 
| commit | a2979dcdbeb39a01dc888090d2c736c2ad3f548d (patch) | |
| tree | a682537c30714af45a998e2c3cedbe495de05e52 | |
| parent | 3ead92c571e7e17ca1c525c0fcd40e58901c5655 (diff) | |
| download | olio-uboot-2014.01-a2979dcdbeb39a01dc888090d2c736c2ad3f548d.tar.xz olio-uboot-2014.01-a2979dcdbeb39a01dc888090d2c736c2ad3f548d.zip | |
blackfin: bf60x: Port blackfin core architecture code to boot on bf60x.
Set up clocks, DDR controller, Nor flash controller, reboot,
serial port. Add new SPI boot modes.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
| -rw-r--r-- | arch/blackfin/cpu/cpu.c | 4 | ||||
| -rw-r--r-- | arch/blackfin/cpu/initcode.c | 325 | ||||
| -rw-r--r-- | arch/blackfin/cpu/initcode.h | 52 | ||||
| -rw-r--r-- | arch/blackfin/cpu/reset.c | 6 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/config-pre.h | 4 | ||||
| -rw-r--r-- | arch/blackfin/lib/board.c | 6 | ||||
| -rw-r--r-- | arch/blackfin/lib/clocks.c | 112 | ||||
| -rw-r--r-- | common/cmd_reginfo.c | 19 | 
8 files changed, 486 insertions, 42 deletions
| diff --git a/arch/blackfin/cpu/cpu.c b/arch/blackfin/cpu/cpu.c index 6a0bcca9f..b9fdb078b 100644 --- a/arch/blackfin/cpu/cpu.c +++ b/arch/blackfin/cpu/cpu.c @@ -68,7 +68,9 @@ void cpu_init_f(ulong bootflag, ulong loaded_from_ldr)  	/* Reset upon a double exception rather than just hanging.  	 * Do not do bfin_read on SWRST as that will reset status bits.  	 */ +# ifdef SWRST  	bfin_write_SWRST(DOUBLE_FAULT); +# endif  #endif  	serial_early_puts("Board init flash\n"); @@ -92,7 +94,7 @@ int irq_init(void)  #elif defined(SICA_IMASK0)  	bfin_write_SICA_IMASK0(0);  	bfin_write_SICA_IMASK1(0); -#else +#elif defined(SIC_IMASK)  	bfin_write_SIC_IMASK(0);  #endif  	/* Set up a dummy NMI handler if needed.  */ diff --git a/arch/blackfin/cpu/initcode.c b/arch/blackfin/cpu/initcode.c index fb3a101c7..a71714865 100644 --- a/arch/blackfin/cpu/initcode.c +++ b/arch/blackfin/cpu/initcode.c @@ -15,20 +15,141 @@  #include <asm/blackfin.h>  #include <asm/mach-common/bits/bootrom.h>  #include <asm/mach-common/bits/core.h> -#include <asm/mach-common/bits/ebiu.h> -#include <asm/mach-common/bits/pll.h> -#include <asm/mach-common/bits/uart.h>  #define BUG() while (1) { asm volatile("emuexcpt;"); }  #include "serial.h" +#ifndef __ADSPBF60x__ +#include <asm/mach-common/bits/ebiu.h> +#include <asm/mach-common/bits/pll.h> +#else /* __ADSPBF60x__ */ +#include <asm/mach-common/bits/cgu.h> + +#define CONFIG_BFIN_GET_DCLK_M \ +	((CONFIG_CLKIN_HZ*CONFIG_VCO_MULT)/(CONFIG_DCLK_DIV*1000000)) + +#ifndef CONFIG_DMC_DDRCFG +#if ((CONFIG_BFIN_GET_DCLK_M != 125) && \ +	(CONFIG_BFIN_GET_DCLK_M != 133) && \ +	(CONFIG_BFIN_GET_DCLK_M != 150) && \ +	(CONFIG_BFIN_GET_DCLK_M != 166) && \ +	(CONFIG_BFIN_GET_DCLK_M != 200) && \ +	(CONFIG_BFIN_GET_DCLK_M != 225) && \ +	(CONFIG_BFIN_GET_DCLK_M != 250)) +#error "DDR2 CLK must be in (125, 133, 150, 166, 200, 225, 250)MHz" +#endif +#endif + +/* DMC control bits */ +#define SRREQ			0x8 + +/* DMC status bits */ +#define IDLE                    0x1 +#define MEMINITDONE             0x4 +#define SRACK                   0x8 +#define PDACK                   0x10 +#define DPDACK                  0x20 +#define DLLCALDONE              0x2000 +#define PENDREF                 0xF0000 +#define PHYRDPHASE              0xF00000 +#define PHYRDPHASE_OFFSET       20 + +/* DMC DLL control bits */ +#define DLLCALRDCNT             0xFF +#define DATACYC_OFFSET          8 + +struct ddr_config { +	u32 ddr_clk; +	u32 dmc_ddrctl; +	u32 dmc_ddrcfg; +	u32 dmc_ddrtr0; +	u32 dmc_ddrtr1; +	u32 dmc_ddrtr2; +	u32 dmc_ddrmr; +	u32 dmc_ddrmr1; +}; + +static struct ddr_config ddr_config_table[] = { +	[0] = { +		.ddr_clk    = 125,	/* 125MHz */ +		.dmc_ddrctl = 0x00000904, +		.dmc_ddrcfg = 0x00000422, +		.dmc_ddrtr0 = 0x20705212, +		.dmc_ddrtr1 = 0x201003CF, +		.dmc_ddrtr2 = 0x00320107, +		.dmc_ddrmr  = 0x00000422, +		.dmc_ddrmr1 = 0x4, +	}, +	[1] = { +		.ddr_clk    = 133,	/* 133MHz */ +		.dmc_ddrctl = 0x00000904, +		.dmc_ddrcfg = 0x00000422, +		.dmc_ddrtr0 = 0x20806313, +		.dmc_ddrtr1 = 0x2013040D, +		.dmc_ddrtr2 = 0x00320108, +		.dmc_ddrmr  = 0x00000632, +		.dmc_ddrmr1 = 0x4, +	}, +	[2] = { +		.ddr_clk    = 150,	/* 150MHz */ +		.dmc_ddrctl = 0x00000904, +		.dmc_ddrcfg = 0x00000422, +		.dmc_ddrtr0 = 0x20A07323, +		.dmc_ddrtr1 = 0x20160492, +		.dmc_ddrtr2 = 0x00320209, +		.dmc_ddrmr  = 0x00000632, +		.dmc_ddrmr1 = 0x4, +	}, +	[3] = { +		.ddr_clk    = 166,	/* 166MHz */ +		.dmc_ddrctl = 0x00000904, +		.dmc_ddrcfg = 0x00000422, +		.dmc_ddrtr0 = 0x20A07323, +		.dmc_ddrtr1 = 0x2016050E, +		.dmc_ddrtr2 = 0x00320209, +		.dmc_ddrmr  = 0x00000632, +		.dmc_ddrmr1 = 0x4, +	}, +	[4] = { +		.ddr_clk    = 200,	/* 200MHz */ +		.dmc_ddrctl = 0x00000904, +		.dmc_ddrcfg = 0x00000422, +		.dmc_ddrtr0 = 0x20a07323, +		.dmc_ddrtr1 = 0x2016050f, +		.dmc_ddrtr2 = 0x00320509, +		.dmc_ddrmr  = 0x00000632, +		.dmc_ddrmr1 = 0x4, +	}, +	[5] = { +		.ddr_clk    = 225,	/* 225MHz */ +		.dmc_ddrctl = 0x00000904, +		.dmc_ddrcfg = 0x00000422, +		.dmc_ddrtr0 = 0x20E0A424, +		.dmc_ddrtr1 = 0x302006DB, +		.dmc_ddrtr2 = 0x0032020D, +		.dmc_ddrmr  = 0x00000842, +		.dmc_ddrmr1 = 0x4, +	}, +	[6] = { +		.ddr_clk    = 250,	/* 250MHz */ +		.dmc_ddrctl = 0x00000904, +		.dmc_ddrcfg = 0x00000422, +		.dmc_ddrtr0 = 0x20E0A424, +		.dmc_ddrtr1 = 0x3020079E, +		.dmc_ddrtr2 = 0x0032050D, +		.dmc_ddrmr  = 0x00000842, +		.dmc_ddrmr1 = 0x4, +	}, +}; +#endif /* __ADSPBF60x__ */ +  __attribute__((always_inline))  static inline void serial_init(void)  { -	uint32_t uart_base = UART_DLL; +	uint32_t uart_base = UART_BASE; -#ifdef __ADSPBF54x__ +#if defined(__ADSPBF54x__) || defined(__ADSPBF60x__)  # ifdef BFIN_BOOT_UART_USE_RTS  #  define BFIN_UART_USE_RTS 1  # else @@ -38,7 +159,12 @@ static inline void serial_init(void)  		size_t i;  		/* force RTS rather than relying on auto RTS */ +#if BFIN_UART_HW_VER < 4  		bfin_write16(&pUART->mcr, bfin_read16(&pUART->mcr) | FCPOL); +#else +		bfin_write32(&pUART->control, bfin_read32(&pUART->control) | +				FCPOL); +#endif  		/* Wait for the line to clear up.  We cannot rely on UART  		 * registers as none of them reflect the status of the RSR. @@ -68,13 +194,14 @@ static inline void serial_init(void)  #endif  	if (BFIN_DEBUG_EARLY_SERIAL) { -		int ucen = bfin_read16(&pUART->gctl) & UCEN; +		int enabled = serial_early_enabled(uart_base); +  		serial_early_init(uart_base);  		/* If the UART is off, that means we need to program  		 * the baud rate ourselves initially.  		 */ -		if (ucen != UCEN) +		if (!enabled)  			serial_early_set_baud(uart_base, CONFIG_BAUDRATE);  	}  } @@ -82,12 +209,17 @@ static inline void serial_init(void)  __attribute__((always_inline))  static inline void serial_deinit(void)  { -#ifdef __ADSPBF54x__ -	uint32_t uart_base = UART_DLL; +#if defined(__ADSPBF54x__) || defined(__ADSPBF60x__) +	uint32_t uart_base = UART_BASE;  	if (BFIN_UART_USE_RTS && CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_UART) {  		/* clear forced RTS rather than relying on auto RTS */ +#if BFIN_UART_HW_VER < 4  		bfin_write16(&pUART->mcr, bfin_read16(&pUART->mcr) & ~FCPOL); +#else +		bfin_write32(&pUART->control, bfin_read32(&pUART->control) & +				~FCPOL); +#endif  	}  #endif  } @@ -95,7 +227,7 @@ static inline void serial_deinit(void)  __attribute__((always_inline))  static inline void serial_putc(char c)  { -	uint32_t uart_base = UART_DLL; +	uint32_t uart_base = UART_BASE;  	if (!BFIN_DEBUG_EARLY_SERIAL)  		return; @@ -103,9 +235,9 @@ static inline void serial_putc(char c)  	if (c == '\n')  		serial_putc('\r'); -	bfin_write16(&pUART->thr, c); +	bfin_write(&pUART->thr, c); -	while (!(bfin_read16(&pUART->lsr) & TEMT)) +	while (!(_lsr_read(pUART) & TEMT))  		continue;  } @@ -152,6 +284,24 @@ program_nmi_handler(void)  # define bfin_write_SPI_BAUD bfin_write_SPI0_BAUD  #endif +#ifdef __ADSPBF60x__ + +#ifndef CONFIG_CGU_CTL_VAL +# define CONFIG_CGU_CTL_VAL ((CONFIG_VCO_MULT << 8) | CONFIG_CLKIN_HALF) +#endif + +#ifndef CONFIG_CGU_DIV_VAL +# define CONFIG_CGU_DIV_VAL \ +	((CONFIG_CCLK_DIV   << CSEL_P)   | \ +	 (CONFIG_SCLK0_DIV  << S0SEL_P)  | \ +	 (CONFIG_SCLK_DIV << SYSSEL_P) | \ +	 (CONFIG_SCLK1_DIV  << S1SEL_P)  | \ +	 (CONFIG_DCLK_DIV   << DSEL_P)   | \ +	 (CONFIG_OCLK_DIV   << OSEL_P)) +#endif + +#else /* __ADSPBF60x__ */ +  /* PLL_DIV defines */  #ifndef CONFIG_PLL_DIV_VAL  # if (CONFIG_CCLK_DIV == 1) @@ -275,6 +425,8 @@ program_nmi_handler(void)  # endif  #endif +#endif /*  __ADSPBF60x__ */ +  __attribute__((always_inline)) static inline void  program_early_devices(ADI_BOOT_DATA *bs, uint *sdivB, uint *divB, uint *vcoB)  { @@ -283,8 +435,14 @@ program_early_devices(ADI_BOOT_DATA *bs, uint *sdivB, uint *divB, uint *vcoB)  	/* Save the clock pieces that are used in baud rate calculation */  	if (BFIN_DEBUG_EARLY_SERIAL || CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_UART) {  		serial_putc('b'); +#ifdef __ADSPBF60x__ +		*sdivB = bfin_read_CGU_DIV(); +		*sdivB = ((*sdivB >> 8) & 0x1f) * ((*sdivB >> 5) & 0x7); +		*vcoB = (bfin_read_CGU_CTL() >> 8) & 0x7f; +#else  		*sdivB = bfin_read_PLL_DIV() & 0xf;  		*vcoB = (bfin_read_PLL_CTL() >> 9) & 0x3f; +#endif  		*divB = serial_early_get_div();  		serial_putc('c');  	} @@ -316,6 +474,7 @@ program_early_devices(ADI_BOOT_DATA *bs, uint *sdivB, uint *divB, uint *vcoB)  	 * boot.  Once we switch over to u-boot's SPI flash driver, we'll  	 * increase the speed appropriately.  	 */ +#ifdef SPI_BAUD  	if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER) {  		serial_putc('h');  		if (BOOTROM_SUPPORTS_SPI_FAST_READ && CONFIG_SPI_BAUD_INITBLOCK < 4) @@ -323,6 +482,7 @@ program_early_devices(ADI_BOOT_DATA *bs, uint *sdivB, uint *divB, uint *vcoB)  		bfin_write_SPI_BAUD(CONFIG_SPI_BAUD_INITBLOCK);  		serial_putc('i');  	} +#endif  	serial_putc('j');  } @@ -335,6 +495,10 @@ maybe_self_refresh(ADI_BOOT_DATA *bs)  	if (!CONFIG_MEM_SIZE)  		return false; +#ifdef __ADSPBF60x__ + +#else /* __ADSPBF60x__ */ +  	/* If external memory is enabled, put it into self refresh first. */  #if defined(EBIU_RSTCTL)  	if (bfin_read_EBIU_RSTCTL() & DDR_SRESET) { @@ -350,6 +514,7 @@ maybe_self_refresh(ADI_BOOT_DATA *bs)  	}  #endif +#endif /* __ADSPBF60x__ */  	serial_putc('c');  	return false; @@ -362,6 +527,37 @@ program_clocks(ADI_BOOT_DATA *bs, bool put_into_srfs)  	serial_putc('a'); +#ifdef __ADSPBF60x__ +	if (bfin_read_DMC0_STAT() & MEMINITDONE) { +		bfin_write_DMC0_CTL(bfin_read_DMC0_CTL() | SRREQ); +		SSYNC(); +		while (!(bfin_read_DMC0_STAT() & SRACK)) +			continue; +	} + +	/* Don't set the same value of MSEL and DF to CGU_CTL */ +	if ((bfin_read_CGU_CTL() & (MSEL_MASK | DF_MASK)) +			!= CONFIG_CGU_CTL_VAL) { +		bfin_write_CGU_DIV(CONFIG_CGU_DIV_VAL); +		bfin_write_CGU_CTL(CONFIG_CGU_CTL_VAL); +		while ((bfin_read_CGU_STAT() & (CLKSALGN | PLLBP)) || +				!(bfin_read_CGU_STAT() & PLLLK)) +			continue; +	} + +	bfin_write_CGU_DIV(CONFIG_CGU_DIV_VAL | UPDT); +	while (bfin_read_CGU_STAT() & CLKSALGN) +		continue; + +	if (bfin_read_DMC0_STAT() & MEMINITDONE) { +		bfin_write_DMC0_CTL(bfin_read_DMC0_CTL() & ~SRREQ); +		SSYNC(); +		while (bfin_read_DMC0_STAT() & SRACK) +			continue; +	} + +#else /* __ADSPBF60x__ */ +  	vr_ctl = bfin_read_VR_CTL();  	serial_putc('b'); @@ -433,7 +629,7 @@ program_clocks(ADI_BOOT_DATA *bs, bool put_into_srfs)  #elif defined(SICA_IWR0)  		bfin_write_SICA_IWR0(1);  		bfin_write_SICA_IWR1(0); -#else +#elif defined(SIC_IWR)  		bfin_write_SIC_IWR(1);  #endif @@ -482,13 +678,15 @@ program_clocks(ADI_BOOT_DATA *bs, bool put_into_srfs)  #elif defined(SICA_IWR0)  		bfin_write_SICA_IWR0(-1);  		bfin_write_SICA_IWR1(-1); -#else +#elif defined(SIC_IWR)  		bfin_write_SIC_IWR(-1);  #endif  		serial_putc('n');  	} +#endif /* __ADSPBF60x__ */ +  	serial_putc('o');  	return vr_ctl; @@ -505,16 +703,25 @@ update_serial_clocks(ADI_BOOT_DATA *bs, uint sdivB, uint divB, uint vcoB)  	 * for dividing which means we'd generate a libgcc reference.  	 */  	if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_UART) { -		serial_putc('b');  		unsigned int sdivR, vcoR; -		sdivR = bfin_read_PLL_DIV() & 0xf; -		vcoR = (bfin_read_PLL_CTL() >> 9) & 0x3f;  		int dividend = sdivB * divB * vcoR;  		int divisor = vcoB * sdivR;  		unsigned int quotient; + +		serial_putc('b'); + +#ifdef __ADSPBF60x__ +		sdivR = bfin_read_CGU_DIV(); +		sdivR = ((sdivR >> 8) & 0x1f) * ((sdivR >> 5) & 0x7); +		vcoR = (bfin_read_CGU_CTL() >> 8) & 0x7f; +#else +		sdivR = bfin_read_PLL_DIV() & 0xf; +		vcoR = (bfin_read_PLL_CTL() >> 9) & 0x3f; +#endif +  		for (quotient = 0; dividend > 0; ++quotient)  			dividend -= divisor; -		serial_early_put_div(UART_DLL, quotient - ANOMALY_05000230); +		serial_early_put_div(quotient - ANOMALY_05000230);  		serial_putc('c');  	} @@ -531,6 +738,84 @@ program_memory_controller(ADI_BOOT_DATA *bs, bool put_into_srfs)  	serial_putc('b'); +#ifdef __ADSPBF60x__ +	int dlldatacycle; +	int dll_ctl; +	int i = 0; + +	if (CONFIG_BFIN_GET_DCLK_M ==  125) +		i = 0; +	else if (CONFIG_BFIN_GET_DCLK_M ==  133) +		i = 1; +	else if (CONFIG_BFIN_GET_DCLK_M ==  150) +		i = 2; +	else if (CONFIG_BFIN_GET_DCLK_M ==  166) +		i = 3; +	else if (CONFIG_BFIN_GET_DCLK_M ==  200) +		i = 4; +	else if (CONFIG_BFIN_GET_DCLK_M ==  225) +		i = 5; +	else if (CONFIG_BFIN_GET_DCLK_M ==  250) +		i = 6; + +#if 0 +	for (i = 0; i < ARRAY_SIZE(ddr_config_table); i++) +		if (CONFIG_BFIN_GET_DCLK_M == ddr_config_table[i].ddr_clk) +			break; +#endif + +#ifndef CONFIG_DMC_DDRCFG +	bfin_write_DMC0_CFG(ddr_config_table[i].dmc_ddrcfg); +#else +	bfin_write_DMC0_CFG(CONFIG_DMC_DDRCFG); +#endif +#ifndef CONFIG_DMC_DDRTR0 +	bfin_write_DMC0_TR0(ddr_config_table[i].dmc_ddrtr0); +#else +	bfin_write_DMC0_TR0(CONFIG_DMC_DDRTR0); +#endif +#ifndef CONFIG_DMC_DDRTR1 +	bfin_write_DMC0_TR1(ddr_config_table[i].dmc_ddrtr1); +#else +	bfin_write_DMC0_TR1(CONFIG_DMC_DDRTR1); +#endif +#ifndef CONFIG_DMC_DDRTR2 +	bfin_write_DMC0_TR2(ddr_config_table[i].dmc_ddrtr2); +#else +	bfin_write_DMC0_TR2(CONFIG_DMC_DDRTR2); +#endif +#ifndef CONFIG_DMC_DDRMR +	bfin_write_DMC0_MR(ddr_config_table[i].dmc_ddrmr); +#else +	bfin_write_DMC0_MR(CONFIG_DMC_DDRMR); +#endif +#ifndef CONFIG_DMC_DDREMR1 +	bfin_write_DMC0_EMR1(ddr_config_table[i].dmc_ddrmr1); +#else +	bfin_write_DMC0_EMR1(CONFIG_DMC_DDREMR1); +#endif +#ifndef CONFIG_DMC_DDRCTL +	bfin_write_DMC0_CTL(ddr_config_table[i].dmc_ddrctl); +#else +	bfin_write_DMC0_CTL(CONFIG_DMC_DDRCTL); +#endif + +	SSYNC(); +	while (!(bfin_read_DMC0_STAT() & MEMINITDONE)) +		continue; + +	dlldatacycle = (bfin_read_DMC0_STAT() & PHYRDPHASE) >> +			PHYRDPHASE_OFFSET; +	dll_ctl = bfin_read_DMC0_DLLCTL(); +	dll_ctl &= 0x0ff; +	bfin_write_DMC0_DLLCTL(dll_ctl | (dlldatacycle << DATACYC_OFFSET)); + +	SSYNC(); +	while (!(bfin_read_DMC0_STAT() & DLLCALDONE)) +		continue; +	serial_putc('!'); +#else /* __ADSPBF60x__ */ +  	/* Program the external memory controller before we come out of  	 * self-refresh.  This only works with our SDRAM controller.  	 */ @@ -583,6 +868,7 @@ program_memory_controller(ADI_BOOT_DATA *bs, bool put_into_srfs)  # endif  #endif +#endif /* __ADSPBF60x__ */  	serial_putc('e');  } @@ -606,7 +892,8 @@ check_hibernation(ADI_BOOT_DATA *bs, u16 vr_ctl, bool put_into_srfs)  	 */  	if (ANOMALY_05000307 || vr_ctl & 0x8000) {  		uint32_t *hibernate_magic = 0; -		__builtin_bfin_ssync(); /* make sure memory controller is done */ + +		SSYNC();  		if (hibernate_magic[0] == 0xDEADBEEF) {  			serial_putc('c');  			bfin_write_EVT15(hibernate_magic[1]); diff --git a/arch/blackfin/cpu/initcode.h b/arch/blackfin/cpu/initcode.h index e0aad6de0..1fec7f3d8 100644 --- a/arch/blackfin/cpu/initcode.h +++ b/arch/blackfin/cpu/initcode.h @@ -15,6 +15,8 @@  # define serial_putc(c)  #endif +#ifndef __ADSPBF60x__ +  #ifndef CONFIG_EBIU_RSTCTL_VAL  # define CONFIG_EBIU_RSTCTL_VAL 0 /* only MDDRENABLE is useful */  #endif @@ -30,6 +32,8 @@  # error invalid EBIU_DDRQUE value: must not set reserved bits  #endif +#endif /* __ADSPBF60x__ */ +  __attribute__((always_inline)) static inline void  program_async_controller(ADI_BOOT_DATA *bs)  { @@ -45,10 +49,13 @@ program_async_controller(ADI_BOOT_DATA *bs)  	serial_putc('a'); +#ifdef __ADSPBF60x__  	/* Program the async banks controller. */ +#ifdef EBIU_AMGCTL  	bfin_write_EBIU_AMBCTL0(CONFIG_EBIU_AMBCTL0_VAL);  	bfin_write_EBIU_AMBCTL1(CONFIG_EBIU_AMBCTL1_VAL);  	bfin_write_EBIU_AMGCTL(CONFIG_EBIU_AMGCTL_VAL); +#endif  	serial_putc('b'); @@ -66,6 +73,51 @@ program_async_controller(ADI_BOOT_DATA *bs)  #endif  	serial_putc('c'); + +#else   /* __ADSPBF60x__ */ +	/* Program the static memory controller. */ +# ifdef CONFIG_SMC_GCTL_VAL +	bfin_write_SMC_GCTL(CONFIG_SMC_GCTL_VAL); +# endif +# ifdef CONFIG_SMC_B0CTL_VAL +	bfin_write_SMC_B0CTL(CONFIG_SMC_B0CTL_VAL); +# endif +# ifdef CONFIG_SMC_B0TIM_VAL +	bfin_write_SMC_B0TIM(CONFIG_SMC_B0TIM_VAL); +# endif +# ifdef CONFIG_SMC_B0ETIM_VAL +	bfin_write_SMC_B0ETIM(CONFIG_SMC_B0ETIM_VAL); +# endif +# ifdef CONFIG_SMC_B1CTL_VAL +	bfin_write_SMC_B1CTL(CONFIG_SMC_B1CTL_VAL); +# endif +# ifdef CONFIG_SMC_B1TIM_VAL +	bfin_write_SMC_B1TIM(CONFIG_SMC_B1TIM_VAL); +# endif +# ifdef CONFIG_SMC_B1ETIM_VAL +	bfin_write_SMC_B1ETIM(CONFIG_SMC_B1ETIM_VAL); +# endif +# ifdef CONFIG_SMC_B2CTL_VAL +	bfin_write_SMC_B2CTL(CONFIG_SMC_B2CTL_VAL); +# endif +# ifdef CONFIG_SMC_B2TIM_VAL +	bfin_write_SMC_B2TIM(CONFIG_SMC_B2TIM_VAL); +# endif +# ifdef CONFIG_SMC_B2ETIM_VAL +	bfin_write_SMC_B2ETIM(CONFIG_SMC_B2ETIM_VAL); +# endif +# ifdef CONFIG_SMC_B3CTL_VAL +	bfin_write_SMC_B3CTL(CONFIG_SMC_B3CTL_VAL); +# endif +# ifdef CONFIG_SMC_B3TIM_VAL +	bfin_write_SMC_B3TIM(CONFIG_SMC_B3TIM_VAL); +# endif +# ifdef CONFIG_SMC_B3ETIM_VAL +	bfin_write_SMC_B3ETIM(CONFIG_SMC_B3ETIM_VAL); +# endif + +#endif +	serial_putc('d');  }  #endif diff --git a/arch/blackfin/cpu/reset.c b/arch/blackfin/cpu/reset.c index ff39035de..b6718d3bb 100644 --- a/arch/blackfin/cpu/reset.c +++ b/arch/blackfin/cpu/reset.c @@ -23,6 +23,7 @@  __attribute__ ((__l1_text__, __noreturn__))  static void bfin_reset(void)  { +#ifdef SWRST  	/* Wait for completion of "system" events such as cache line  	 * line fills so that we avoid infinite stalls later on as  	 * much as possible.  This code is in L1, so it won't trigger @@ -66,10 +67,15 @@ static void bfin_reset(void)  		: "a" (15 * 1)  		: "LC1", "LB1", "LT1"  	); +#endif  	while (1) +#if defined(__ADSPBF60x__) +		bfin_write_RCU0_CTL(0x1); +#else  		/* Issue core reset */  		asm("raise 1"); +#endif  }  /* We need to trampoline ourselves up into L1 since our linker diff --git a/arch/blackfin/include/asm/config-pre.h b/arch/blackfin/include/asm/config-pre.h index be5687ce6..d0fd537d8 100644 --- a/arch/blackfin/include/asm/config-pre.h +++ b/arch/blackfin/include/asm/config-pre.h @@ -29,6 +29,8 @@  #define BFIN_BOOT_16HOST_DMA  11      /* boot ldr from 16-bit host dma */  #define BFIN_BOOT_8HOST_DMA   12      /* boot ldr from 8-bit host dma */  #define BFIN_BOOT_NAND        13      /* boot ldr from nand flash */ +#define BFIN_BOOT_RSI_MASTER  14      /* boot ldr from rsi */ +#define BFIN_BOOT_LP_SLAVE    15      /* boot ldr from link port */  #ifndef __ASSEMBLY__  static inline const char *get_bfin_boot_mode(int bfin_boot) @@ -47,6 +49,8 @@ static inline const char *get_bfin_boot_mode(int bfin_boot)  	case BFIN_BOOT_16HOST_DMA: return "16bit dma";  	case BFIN_BOOT_8HOST_DMA:  return "8bit dma";  	case BFIN_BOOT_NAND:       return "nand flash"; +	case BFIN_BOOT_RSI_MASTER: return "rsi master"; +	case BFIN_BOOT_LP_SLAVE:   return "link port slave";  	default:                   return "INVALID";  	}  } diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c index 9fbbea0d9..098f685cc 100644 --- a/arch/blackfin/lib/board.c +++ b/arch/blackfin/lib/board.c @@ -295,7 +295,13 @@ void board_init_f(ulong bootflag)  	printf("Clock: VCO: %s MHz, ", strmhz(buf, get_vco()));  	printf("Core: %s MHz, ", strmhz(buf, get_cclk())); +#if defined(__ADSPBF60x__) +	printf("System0: %s MHz, ", strmhz(buf, get_sclk0())); +	printf("System1: %s MHz, ", strmhz(buf, get_sclk1())); +	printf("Dclk: %s MHz\n", strmhz(buf, get_dclk())); +#else  	printf("System: %s MHz\n", strmhz(buf, get_sclk())); +#endif  	if (CONFIG_MEM_SIZE) {  		printf("RAM:   "); diff --git a/arch/blackfin/lib/clocks.c b/arch/blackfin/lib/clocks.c index 0be395bb3..d852f5ebe 100644 --- a/arch/blackfin/lib/clocks.c +++ b/arch/blackfin/lib/clocks.c @@ -9,69 +9,139 @@  #include <common.h>  #include <asm/blackfin.h> +#ifdef PLL_CTL +# include <asm/mach-common/bits/pll.h> +# define pll_is_bypassed() (bfin_read_PLL_STAT() & DF) +#else +# include <asm/mach-common/bits/cgu.h> +# define pll_is_bypassed() (bfin_read_CGU_STAT() & PLLBP) +# define bfin_read_PLL_CTL() bfin_read_CGU_CTL() +# define bfin_read_PLL_DIV() bfin_read_CGU_DIV() +#endif +  /* Get the voltage input multiplier */ -static u_long cached_vco_pll_ctl, cached_vco;  u_long get_vco(void)  { -	u_long msel; +	static u_long cached_vco_pll_ctl, cached_vco; + +	u_long msel, pll_ctl; -	u_long pll_ctl = bfin_read_PLL_CTL(); +	pll_ctl = bfin_read_PLL_CTL();  	if (pll_ctl == cached_vco_pll_ctl)  		return cached_vco;  	else  		cached_vco_pll_ctl = pll_ctl; -	msel = (pll_ctl >> 9) & 0x3F; +	msel = (pll_ctl & MSEL) >> MSEL_P;  	if (0 == msel) -		msel = 64; +		msel = (MSEL >> MSEL_P) + 1;  	cached_vco = CONFIG_CLKIN_HZ; -	cached_vco >>= (1 & pll_ctl);	/* DF bit */ +	cached_vco >>= (pll_ctl & DF);  	cached_vco *= msel;  	return cached_vco;  }  /* Get the Core clock */ -static u_long cached_cclk_pll_div, cached_cclk;  u_long get_cclk(void)  { -	u_long csel, ssel; +	static u_long cached_cclk_pll_div, cached_cclk; +	u_long div, csel, ssel; -	if (bfin_read_PLL_STAT() & 0x1) +	if (pll_is_bypassed())  		return CONFIG_CLKIN_HZ; -	ssel = bfin_read_PLL_DIV(); -	if (ssel == cached_cclk_pll_div) +	div = bfin_read_PLL_DIV(); +	if (div == cached_cclk_pll_div)  		return cached_cclk;  	else -		cached_cclk_pll_div = ssel; +		cached_cclk_pll_div = div; -	csel = ((ssel >> 4) & 0x03); -	ssel &= 0xf; +	csel = (div & CSEL) >> CSEL_P; +#ifndef CGU_DIV +	ssel = (div & SSEL) >> SSEL_P;  	if (ssel && ssel < (1 << csel))	/* SCLK > CCLK */  		cached_cclk = get_vco() / ssel;  	else  		cached_cclk = get_vco() >> csel; +#else +	cached_cclk = get_vco() / csel; +#endif  	return cached_cclk;  }  /* Get the System clock */ +#ifdef CGU_DIV +  static u_long cached_sclk_pll_div, cached_sclk; +static u_long cached_sclk0, cached_sclk1, cached_dclk; +static u_long _get_sclk(u_long *cache) +{ +	u_long div, ssel; + +	if (pll_is_bypassed()) +		return CONFIG_CLKIN_HZ; + +	div = bfin_read_PLL_DIV(); +	if (div == cached_sclk_pll_div) +		return *cache; +	else +		cached_sclk_pll_div = div; + +	ssel = (div & SYSSEL) >> SYSSEL_P; +	cached_sclk = get_vco() / ssel; + +	ssel = (div & S0SEL) >> S0SEL_P; +	cached_sclk0 = cached_sclk / ssel; + +	ssel = (div & S1SEL) >> S1SEL_P; +	cached_sclk1 = cached_sclk / ssel; + +	ssel = (div & DSEL) >> DSEL_P; +	cached_dclk = get_vco() / ssel; + +	return *cache; +} +  u_long get_sclk(void)  { -	u_long ssel; +	return _get_sclk(&cached_sclk); +} + +u_long get_sclk0(void) +{ +	return _get_sclk(&cached_sclk0); +} + +u_long get_sclk1(void) +{ +	return _get_sclk(&cached_sclk1); +} + +u_long get_dclk(void) +{ +	return _get_sclk(&cached_dclk); +} +#else + +u_long get_sclk(void) +{ +	static u_long cached_sclk_pll_div, cached_sclk; +	u_long div, ssel; -	if (bfin_read_PLL_STAT() & 0x1) +	if (pll_is_bypassed())  		return CONFIG_CLKIN_HZ; -	ssel = bfin_read_PLL_DIV(); -	if (ssel == cached_sclk_pll_div) +	div = bfin_read_PLL_DIV(); +	if (div == cached_sclk_pll_div)  		return cached_sclk;  	else -		cached_sclk_pll_div = ssel; - -	ssel &= 0xf; +		cached_sclk_pll_div = div; +	ssel = (div & SSEL) >> SSEL_P;  	cached_sclk = get_vco() / ssel; +  	return cached_sclk;  } + +#endif diff --git a/common/cmd_reginfo.c b/common/cmd_reginfo.c index 08a656344..b591bd377 100644 --- a/common/cmd_reginfo.c +++ b/common/cmd_reginfo.c @@ -191,7 +191,7 @@ static int do_reginfo(cmd_tbl_t *cmdtp, int flag, int argc,  #elif defined(CONFIG_BLACKFIN)  	puts("\nSystem Configuration registers\n"); - +#ifndef __ADSPBF60x__  	puts("\nPLL Registers\n");  	printf("\tPLL_DIV:   0x%04x   PLL_CTL:      0x%04x\n",  		bfin_read_PLL_DIV(), bfin_read_PLL_CTL()); @@ -227,7 +227,24 @@ static int do_reginfo(cmd_tbl_t *cmdtp, int flag, int argc,  	printf("\tEBIU_SDSTAT:  0x%04x   EBIU_SDGCTL:  0x%08x\n",  		bfin_read_EBIU_SDSTAT(), bfin_read_EBIU_SDGCTL());  # endif +#else +	puts("\nCGU Registers\n"); +	printf("\tCGU_DIV:   0x%08x   CGU_CTL:      0x%08x\n", +		bfin_read_CGU_DIV(), bfin_read_CGU_CTL()); +	printf("\tCGU_STAT:  0x%08x   CGU_LOCKCNT:  0x%08x\n", +		bfin_read_CGU_STAT(), bfin_read_CGU_CLKOUTSEL()); +	puts("\nSMC DDR Registers\n"); +	printf("\tDDR_CFG:   0x%08x   DDR_TR0:      0x%08x\n", +		bfin_read_DMC0_CFG(), bfin_read_DMC0_TR0()); +	printf("\tDDR_TR1:   0x%08x   DDR_TR2:      0x%08x\n", +		bfin_read_DMC0_TR1(), bfin_read_DMC0_TR2()); +	printf("\tDDR_MR:    0x%08x   DDR_EMR1:     0x%08x\n", +		bfin_read_DMC0_MR(), bfin_read_DMC0_EMR1()); +	printf("\tDDR_CTL:   0x%08x   DDR_STAT:     0x%08x\n", +		bfin_read_DMC0_CTL(), bfin_read_DMC0_STAT()); +	printf("\tDDR_DLLCTL:0x%08x\n", bfin_read_DMC0_DLLCTL()); +#endif  #endif /* CONFIG_BLACKFIN */  	return 0; |