#ifndef __CONFIG_H #define __CONFIG_H #define AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */ #define MASTER_PLL_DIV 15 #define MASTER_PLL_MUL 162 #define MAIN_PLL_DIV 2 /* 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 | \ ((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_PIOC_PDR_VAL1 0xFFFF0000 /* no pull-up for D[31:16] */ #define CONFIG_SYS_PIOC_PPUDR_VAL 0xFFFF0000 /* EBI_CSA, no pull-ups for D[15:0], CS1 SDRAM, CS3 NAND Flash */ #define CONFIG_SYS_MATRIX_EBICSA_VAL \ (AT91_MATRIX_DBPUC | AT91_MATRIX_CS1A_SDRAMC) /* SDRAM */ /* 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 | \ (1 << 8) | /* Write Recovery Delay */ \ (7 << 12) | /* Row Cycle Delay */ \ (3 << 16) | /* Row Precharge Delay */ \ (2 << 20) | /* Row to Column Delay */ \ (5 << 24) | /* Active to Precharge Delay */ \ (1 << 28)) /* Exit Self Refresh to Active Delay */ /* Memory Device Register -> SDRAM */ #define CONFIG_SYS_SDRC_MDR_VAL AT91_SDRAMC_MD_SDRAM #define CONFIG_SYS_SDRC_TR_VAL2 1200 /* SDRAM_TR */ /* setup SMC0, CS0 (NOR Flash) - 16-bit, 15 WS */ #define CONFIG_SYS_SMC_CS 0 #define CONFIG_SYS_SMC_SETUP_VAL \ (AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) | \ AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10)) #define CONFIG_SYS_SMC_PULSE_VAL \ (AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) | \ AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11)) #define CONFIG_SYS_SMC_CYCLE_VAL \ (AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22)) #define CONFIG_SYS_SMC_MODE_VAL \ (AT91_SMC_READMODE | AT91_SMC_WRITEMODE | \ AT91_SMC_DBW_16 | \ AT91_SMC_TDFMODE | \ AT91_SMC_TDF_(6)) /* 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 */