arch/arm/boards/mmccpu/config.h

#ifndef __CONFIG_H
#define __CONFIG_H

#define AT91_MAIN_CLOCK		18432000

/* values */
#define MASTER_PLL_MUL		54
#define MASTER_PLL_DIV		4

/* clocks */
#define CONFIG_SYS_MOR_VAL						\
		(AT91_PMC_MOSCEN |					\
		 (255 << 8))		/* Main Oscillator Start-up Time */
#define CONFIG_SYS_PLLAR_VAL						\
		(AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */ \
		 AT91_PMC_OUT |						\
		 AT91_PMC_PLLCOUNT |	/* PLL Counter */		\
		 (2 << 28) |		/* PLL Clock Frequency Range */	\
		 ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV))

/* PCK/2 = MCK Master Clock from PLLA */
#define	CONFIG_SYS_MCKR1_VAL		\
		(AT91_PMC_CSS_SLOW |	\
		 AT91_PMC_PRES_1 |	\
		 AT91SAM9_PMC_MDIV_2 |	\
		 AT91_PMC_PDIV_1)
/* PCK/2 = MCK Master Clock from PLLA */
#define	CONFIG_SYS_MCKR2_VAL		\
		(AT91_PMC_CSS_PLLA |	\
		 AT91_PMC_PRES_1 |	\
		 AT91SAM9_PMC_MDIV_2 |	\
		 AT91_PMC_PDIV_1)

/* define PDC[31:16] as DATA[31:16] */
#define CONFIG_SYS_PIOD_PDR_VAL1	0xFFFF0000
/* no pull-up for D[31:16] */
#define CONFIG_SYS_PIOD_PPUDR_VAL	0xFFFF0000
/* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 1.8V memories */
#define CONFIG_SYS_MATRIX_EBI0CSA_VAL					\
	(AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_1_8V |	\
	 AT91_MATRIX_EBI0_CS1A_SDRAMC | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA)

/* SDRAM */
/* SDRAMC_MR Mode register */
#define CONFIG_SYS_SDRC_MR_VAL1		0
/* SDRAMC_TR - Refresh Timer register */
#define CONFIG_SYS_SDRC_TR_VAL1		0x13c
/* SDRAMC_CR - Configuration register*/
#define CONFIG_SYS_SDRC_CR_VAL							\
		(AT91_SDRAMC_NC_9 |						\
		 AT91_SDRAMC_NR_13 |						\
		 AT91_SDRAMC_NB_4 |						\
		 AT91_SDRAMC_CAS_3 |						\
		 AT91_SDRAMC_DBW_32 |						\
		 (2 <<  8) |	/* tWR -  Write Recovery Delay */		\
		 (8 << 12) |	/* tRC -  Row Cycle Delay */			\
		 (2 << 16) |	/* tRP -  Row Precharge Delay */		\
		 (2 << 20) |	/* tRCD - Row to Column Delay */		\
		 (5 << 24) |	/* tRAS - Active to Precharge Delay */		\
		 (12 << 28))	/* tXSR - Exit Self Refresh to Active Delay */

/* Memory Device Register -> SDRAM */
#define CONFIG_SYS_SDRC_MDR_VAL		AT91_SDRAMC_MD_SDRAM
#define CONFIG_SYS_SDRC_MR_VAL2		AT91_SDRAMC_MODE_PRECHARGE
#define CONFIG_SYS_SDRAM_VAL1		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRC_MR_VAL3		AT91_SDRAMC_MODE_REFRESH
#define CONFIG_SYS_SDRAM_VAL2		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRAM_VAL3		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRAM_VAL4		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRAM_VAL5		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRAM_VAL6		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRAM_VAL7		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRAM_VAL8		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRAM_VAL9		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRC_MR_VAL4		AT91_SDRAMC_MODE_LMR
#define CONFIG_SYS_SDRAM_VAL10		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRC_MR_VAL5		AT91_SDRAMC_MODE_NORMAL
#define CONFIG_SYS_SDRAM_VAL11		0		/* SDRAM_BASE */
#define CONFIG_SYS_SDRC_TR_VAL2		780		/* SDRAM_TR */
#define CONFIG_SYS_SDRAM_VAL12		0		/* SDRAM_BASE */

/* setup CS0 (NOR Flash) - 16-bit */
#if 1
#define CONFIG_SYS_SMC0_SETUP0_VAL					\
		(AT91_SMC_NWESETUP_(3) | AT91_SMC_NCS_WRSETUP_(2) |	\
		 AT91_SMC_NRDSETUP_(8) | AT91_SMC_NCS_RDSETUP_(0))
#define CONFIG_SYS_SMC0_PULSE0_VAL					\
		(AT91_SMC_NWEPULSE_(5) | AT91_SMC_NCS_WRPULSE_(7) |	\
		 AT91_SMC_NRDPULSE_(5) | AT91_SMC_NCS_RDPULSE_(13))
#define CONFIG_SYS_SMC0_CYCLE0_VAL	\
		(AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16))
#define CONFIG_SYS_SMC0_MODE0_VAL				\
		(AT91_SMC_READMODE | AT91_SMC_WRITEMODE |	\
		 AT91_SMC_DBW_16 |				\
		 AT91_SMC_TDFMODE |				\
		 AT91_SMC_TDF_(6))
#elif 0	/* slow setup */
#define CONFIG_SYS_SMC0_SETUP0_VAL					\
		(AT91_SMC_NWESETUP_(3) | AT91_SMC_NCS_WRSETUP_(2) |	\
		 AT91_SMC_NRDSETUP_(8) | AT91_SMC_NCS_RDSETUP_(0))
#define CONFIG_SYS_SMC0_PULSE0_VAL					\
		(AT91_SMC_NWEPULSE_(5) | AT91_SMC_NCS_WRPULSE_(7) |	\
		 AT91_SMC_NRDPULSE_(5) | AT91_SMC_NCS_RDPULSE_(13))
#define CONFIG_SYS_SMC0_CYCLE0_VAL	\
		(AT91_SMC_NWECYCLE_(0xd00) | AT91_SMC_NRDCYCLE_(0xd00))
#define CONFIG_SYS_SMC0_MODE0_VAL				\
		(AT91_SMC_READMODE | AT91_SMC_WRITEMODE |	\
		 AT91_SMC_DBW_16 |				\
		 AT91_SMC_TDFMODE |				\
		 AT91_SMC_TDF_(1))
#else	/* RONETIX' original values */
#define CONFIG_SYS_SMC0_SETUP0_VAL					\
		(AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) |	\
		 AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10))
#define CONFIG_SYS_SMC0_PULSE0_VAL					\
		(AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) |	\
		 AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11))
#define CONFIG_SYS_SMC0_CYCLE0_VAL	\
		(AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22))
#define CONFIG_SYS_SMC0_MODE0_VAL				\
		(AT91_SMC_READMODE | AT91_SMC_WRITEMODE |	\
		 AT91_SMC_DBW_16 |				\
		 AT91_SMC_TDFMODE |				\
		 AT91_SMC_TDF_(6))
#endif

/* user reset enable */
#define CONFIG_SYS_RSTC_RMR_VAL			\
		(AT91_RSTC_KEY |		\
		AT91_RSTC_PROCRST |		\
		AT91_RSTC_RSTTYP_WAKEUP |	\
		AT91_RSTC_RSTTYP_WATCHDOG)

/* Disable Watchdog */
#define CONFIG_SYS_WDTC_WDMR_VAL				\
		(AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT |	\
		 AT91_WDT_WDV |					\
		 AT91_WDT_WDDIS |				\
		 AT91_WDT_WDD)

#endif	/* __CONFIG_H */