diff options
Diffstat (limited to 'arch/arm/boards/pm9263')
-rw-r--r-- | arch/arm/boards/pm9263/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/boards/pm9263/config.h | 103 | ||||
-rw-r--r-- | arch/arm/boards/pm9263/lowlevel_init.c | 121 |
3 files changed, 125 insertions, 103 deletions
diff --git a/arch/arm/boards/pm9263/Makefile b/arch/arm/boards/pm9263/Makefile index eb072c0161..b6460c3982 100644 --- a/arch/arm/boards/pm9263/Makefile +++ b/arch/arm/boards/pm9263/Makefile @@ -1 +1,5 @@ obj-y += init.o + +obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o + +pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o diff --git a/arch/arm/boards/pm9263/config.h b/arch/arm/boards/pm9263/config.h index 322c1f3d30..906661330d 100644 --- a/arch/arm/boards/pm9263/config.h +++ b/arch/arm/boards/pm9263/config.h @@ -3,107 +3,4 @@ #define AT91_MAIN_CLOCK 18432000 -#define MASTER_PLL_DIV 6 -#define MASTER_PLL_MUL 65 -#define MAIN_PLL_DIV 2 /* 2 or 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)) - -#if (MAIN_PLL_DIV == 2) -/* 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) -#else -/* PCK/4 = MCK Master Clock from PLLA */ -#define CONFIG_SYS_MCKR1_VAL \ - (AT91_PMC_CSS_SLOW | \ - AT91_PMC_PRES_1 | \ - AT91RM9200_PMC_MDIV_3 | \ - AT91_PMC_PDIV_1) -/* PCK/4 = MCK Master Clock from PLLA */ -#define CONFIG_SYS_MCKR2_VAL \ - (AT91_PMC_CSS_PLLA | \ - AT91_PMC_PRES_1 | \ - AT91RM9200_PMC_MDIV_3 | \ - AT91_PMC_PDIV_1) -#endif -/* 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, 3.3V memories */ -#define CONFIG_SYS_MATRIX_EBI0CSA_VAL \ - (AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_3_3V | \ - AT91_MATRIX_EBI0_CS1A_SDRAMC) - -/* SDRAM */ -/* SDRAMC_TR - Refresh Timer register */ -#define CONFIG_SYS_SDRC_TR_VAL1 0x3AA -/* 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_2 | \ - AT91_SDRAMC_DBW_32 | \ - (2 << 8) | /* tWR - Write Recovery Delay */ \ - (7 << 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 */ \ - (8 << 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_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 */ diff --git a/arch/arm/boards/pm9263/lowlevel_init.c b/arch/arm/boards/pm9263/lowlevel_init.c new file mode 100644 index 0000000000..6336d51063 --- /dev/null +++ b/arch/arm/boards/pm9263/lowlevel_init.c @@ -0,0 +1,121 @@ +/* + * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * + * Under GPLv2 + */ + +#include <common.h> +#include <init.h> +#include <mach/hardware.h> +#include <mach/at91_rstc.h> +#include <mach/at91_wdt.h> +#include <mach/at91_pmc.h> +#include <mach/at91sam9_smc.h> +#include <mach/at91sam9_sdramc.h> +#include <mach/at91sam9_matrix.h> +#include <mach/at91_lowlevel_init.h> + +#define MASTER_PLL_DIV 6 +#define MASTER_PLL_MUL 65 +#define MAIN_PLL_DIV 2 /* 2 or 4 */ + +void __bare_init at91sam926x_lowlevel_board_config(struct at91sam926x_lowlevel_cfg *cfg) +{ + /* Disable Watchdog */ + cfg->wdt_mr = + AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT | + AT91_WDT_WDV | + AT91_WDT_WDDIS | + AT91_WDT_WDD; + + /* define PDC[31:16] as DATA[31:16] */ + cfg->ebi_pio_pdr = 0xFFFF0000; + /* no pull-up for D[31:16] */ + cfg->ebi_pio_ppudr = 0xFFFF0000; + /* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 3.3V memories */ + cfg->ebi_csa = + AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_3_3V | + AT91_MATRIX_EBI0_CS1A_SDRAMC; + + cfg->smc_cs = 0; + cfg->smc_mode = + AT91_SMC_READMODE | AT91_SMC_WRITEMODE | + AT91_SMC_DBW_16 | + AT91_SMC_TDFMODE | + AT91_SMC_TDF_(6); + cfg->smc_cycle = + AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22); + cfg->smc_pulse = + AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) | + AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11); + cfg->smc_setup = + AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) | + AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10); + + cfg->pmc_mor = + AT91_PMC_MOSCEN | + (255 << 8); /* Main Oscillator Start-up Time */ + cfg->pmc_pllar = + 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); + + if (MAIN_PLL_DIV == 2) { + /* PCK/2 = MCK Master Clock from PLLA */ + cfg->pmc_mckr1 = + AT91_PMC_CSS_SLOW | + AT91_PMC_PRES_1 | + AT91SAM9_PMC_MDIV_2 | + AT91_PMC_PDIV_1; + /* PCK/2 = MCK Master Clock from PLLA */ + cfg->pmc_mckr2 = + AT91_PMC_CSS_PLLA | + AT91_PMC_PRES_1 | + AT91SAM9_PMC_MDIV_2 | + AT91_PMC_PDIV_1; + } else { + /* PCK/2 = MCK Master Clock from PLLA */ + cfg->pmc_mckr1 = + AT91_PMC_CSS_SLOW | + AT91_PMC_PRES_1 | + AT91RM9200_PMC_MDIV_3 | + AT91_PMC_PDIV_1; + /* PCK/2 = MCK Master Clock from PLLA */ + cfg->pmc_mckr2 = + AT91_PMC_CSS_PLLA | + AT91_PMC_PRES_1 | + AT91RM9200_PMC_MDIV_3 | + AT91_PMC_PDIV_1; + } + + /* SDRAM */ + /* SDRAMC_TR - Refresh Timer register */ + cfg->sdrc_tr1 = 0x3AA; + /* SDRAMC_CR - Configuration register*/ + cfg->sdrc_cr = + AT91_SDRAMC_NC_9 | + AT91_SDRAMC_NR_13 | + AT91_SDRAMC_NB_4 | + AT91_SDRAMC_CAS_2 | + AT91_SDRAMC_DBW_32 | + (2 << 8) | /* tWR - Write Recovery Delay */ + (7 << 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 */ + (8 << 28); /* tXSR - Exit Self Refresh to Active Delay */ + + /* Memory Device Register -> SDRAM */ + cfg->sdrc_mdr = AT91_SDRAMC_MD_SDRAM; + /* SDRAM_TR */ + cfg->sdrc_tr2 = 1200; + + /* user reset enable */ + cfg->rstc_rmr = + AT91_RSTC_KEY | + AT91_RSTC_PROCRST | + AT91_RSTC_RSTTYP_WAKEUP | + AT91_RSTC_RSTTYP_WATCHDOG; +} |