111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
#ifndef __CONFIG_H
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#define __CONFIG_H
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#define AT91_MASTER_CLOCK 100000000 /* peripheral = main / 2 */
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#define MASTER_PLL_MUL 171
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#define MASTER_PLL_DIV 14
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/* clocks */
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#define CONFIG_SYS_MOR_VAL \
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(AT91_PMC_MOSCEN | \
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(255 << 8)) /* Main Oscillator Start-up Time */
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#define CONFIG_SYS_PLLAR_VAL \
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(AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */ \
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AT91_PMC_OUT | \
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AT91_PMC_PLLCOUNT | /* PLL Counter */ \
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(2 << 28) | /* PLL Clock Frequency Range */ \
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((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV))
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/* PCK/2 = MCK Master Clock from PLLA */
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#define CONFIG_SYS_MCKR1_VAL \
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(AT91_PMC_CSS_SLOW | \
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AT91_PMC_PRES_1 | \
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AT91SAM9_PMC_MDIV_2 | \
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AT91_PMC_PDIV_1)
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/* PCK/2 = MCK Master Clock from PLLA */
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#define CONFIG_SYS_MCKR2_VAL \
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(AT91_PMC_CSS_PLLA | \
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AT91_PMC_PRES_1 | \
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AT91SAM9_PMC_MDIV_2 | \
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AT91_PMC_PDIV_1)
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/* define PDC[31:16] as DATA[31:16] */
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#define CONFIG_SYS_PIOD_PDR_VAL1 0xFFFF0000
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/* no pull-up for D[31:16] */
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#define CONFIG_SYS_PIOD_PPUDR_VAL 0xFFFF0000
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/* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 3.3V memories */
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#define CONFIG_SYS_MATRIX_EBI0CSA_VAL \
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(AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_3_3V | \
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AT91_MATRIX_EBI0_CS1A_SDRAMC)
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/* SDRAM */
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/* SDRAMC_MR Mode register */
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#define CONFIG_SYS_SDRC_MR_VAL1 0
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/* SDRAMC_TR - Refresh Timer register */
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#define CONFIG_SYS_SDRC_TR_VAL1 0x13C
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/* SDRAMC_CR - Configuration register*/
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#define CONFIG_SYS_SDRC_CR_VAL \
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(AT91_SDRAMC_NC_9 | \
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AT91_SDRAMC_NR_13 | \
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AT91_SDRAMC_NB_4 | \
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AT91_SDRAMC_CAS_3 | \
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AT91_SDRAMC_DBW_32 | \
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(1 << 8) | /* Write Recovery Delay */ \
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(7 << 12) | /* Row Cycle Delay */ \
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(2 << 16) | /* Row Precharge Delay */ \
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(2 << 20) | /* Row to Column Delay */ \
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(5 << 24) | /* Active to Precharge Delay */ \
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(1 << 28)) /* Exit Self Refresh to Active Delay */
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/* Memory Device Register -> SDRAM */
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#define CONFIG_SYS_SDRC_MDR_VAL AT91_SDRAMC_MD_SDRAM
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#define CONFIG_SYS_SDRC_MR_VAL2 AT91_SDRAMC_MODE_PRECHARGE
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#define CONFIG_SYS_SDRAM_VAL1 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRC_MR_VAL3 AT91_SDRAMC_MODE_REFRESH
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#define CONFIG_SYS_SDRAM_VAL2 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRAM_VAL3 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRAM_VAL4 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRAM_VAL5 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRAM_VAL6 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRAM_VAL7 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRAM_VAL8 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRAM_VAL9 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRC_MR_VAL4 AT91_SDRAMC_MODE_LMR
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#define CONFIG_SYS_SDRAM_VAL10 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRC_MR_VAL5 AT91_SDRAMC_MODE_NORMAL
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#define CONFIG_SYS_SDRAM_VAL11 0 /* SDRAM_BASE */
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#define CONFIG_SYS_SDRC_TR_VAL2 1200 /* SDRAM_TR */
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#define CONFIG_SYS_SDRAM_VAL12 0 /* SDRAM_BASE */
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/* setup SMC0, CS0 (NOR Flash) - 16-bit, 15 WS */
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#define CONFIG_SYS_SMC0_SETUP0_VAL \
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(AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) | \
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AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10))
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#define CONFIG_SYS_SMC0_PULSE0_VAL \
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(AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) | \
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AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11))
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#define CONFIG_SYS_SMC0_CYCLE0_VAL \
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(AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22))
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#define CONFIG_SYS_SMC0_MODE0_VAL \
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(AT91_SMC_READMODE | AT91_SMC_WRITEMODE | \
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AT91_SMC_DBW_16 | \
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AT91_SMC_TDFMODE | \
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AT91_SMC_TDF_(6))
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/* user reset enable */
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#define CONFIG_SYS_RSTC_RMR_VAL \
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(AT91_RSTC_KEY | \
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AT91_RSTC_PROCRST | \
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AT91_RSTC_RSTTYP_WAKEUP | \
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AT91_RSTC_RSTTYP_WATCHDOG)
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/* Disable Watchdog */
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#define CONFIG_SYS_WDTC_WDMR_VAL \
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(AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT | \
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AT91_WDT_WDV | \
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AT91_WDT_WDDIS | \
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AT91_WDT_WDD)
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#endif /* __CONFIG_H */
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