optimize a few the RAM init
Signed-off-by: Ilko Iliev iliev@ronetix.at Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com --- board/ronetix/pm9263/lowlevel_init.S | 2 +- board/ronetix/pm9263/pm9263.c | 2 +- include/asm-arm/arch-at91/at91_pmc.h | 1 + include/configs/pm9263.h | 105 +++++++++++++++++++++++++-------- 4 files changed, 82 insertions(+), 28 deletions(-)
diff --git a/board/ronetix/pm9263/lowlevel_init.S b/board/ronetix/pm9263/lowlevel_init.S index 561722c..b139c89 100644 --- a/board/ronetix/pm9263/lowlevel_init.S +++ b/board/ronetix/pm9263/lowlevel_init.S @@ -87,7 +87,7 @@ POS1: */ ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR) ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR) - ldr r0, =0x0000FF01 + ldr r0, =CONFIG_SYS_MOR_VAL str r0, [r1] /* Enable main oscillator, OSCOUNT = 0xFF */
/* Reading the PMC Status to detect when the Main Oscillator is enabled */ diff --git a/board/ronetix/pm9263/pm9263.c b/board/ronetix/pm9263/pm9263.c index cfac897..52b6bb4 100644 --- a/board/ronetix/pm9263/pm9263.c +++ b/board/ronetix/pm9263/pm9263.c @@ -239,7 +239,7 @@ static int pm9263_lcd_hw_psram_init(void) at91_sys_write( AT91_MATRIX_SCFG5, AT91_MATRIX_ARBT_FIXED_PRIORITY | (AT91_MATRIX_FIXED_DEFMSTR & (5 << 18)) | AT91_MATRIX_DEFMSTR_TYPE_FIXED | - (AT91_MATRIX_SLOT_CYCLE & (0x80 << 0))); + (AT91_MATRIX_SLOT_CYCLE & (0xFF << 0)));
return 0; } diff --git a/include/asm-arm/arch-at91/at91_pmc.h b/include/asm-arm/arch-at91/at91_pmc.h index 07580da..a82955c 100644 --- a/include/asm-arm/arch-at91/at91_pmc.h +++ b/include/asm-arm/arch-at91/at91_pmc.h @@ -65,6 +65,7 @@ #define AT91_PMC_USBDIV_2 (1 << 28) #define AT91_PMC_USBDIV_4 (2 << 28) #define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */ +#define AT91_PMC_PLLA_WR_ERRATA (1 << 29) /* Bit 29 must always be set to 1 when programming the CKGR_PLLAR register */
#define AT91_PMC_MCKR (AT91_PMC + 0x30) /* Master Clock Register */ #define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */ diff --git a/include/configs/pm9263.h b/include/configs/pm9263.h index 5729acd..bb7d25a 100644 --- a/include/configs/pm9263.h +++ b/include/configs/pm9263.h @@ -33,8 +33,8 @@
#define CONFIG_DISPLAY_BOARDINFO
-#define MASTER_PLL_DIV 15 -#define MASTER_PLL_MUL 162 +#define MASTER_PLL_DIV 6 +#define MASTER_PLL_MUL 65 #define MAIN_PLL_DIV 2 /* 2 or 4 */ #define AT91_MAIN_CLOCK 18432000
@@ -47,39 +47,76 @@ #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
/* clocks */ -#define CONFIG_SYS_MOR_VAL 0x00002001 /* CKGR_MOR - enable main osc. */ -#define CONFIG_SYS_PLLAR_VAL \ - (0x2000BF00 | ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV)) +#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 0x00000100 +#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 0x00000102 +#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 0x00000200 +#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 0x00000202 +#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 0x0001010A +#define CONFIG_SYS_MATRIX_EBI0CSA_VAL \ + (AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_3_3V | \ + AT91_MATRIX_EBI0_CS1A_SDRAMC)
/* SDRAM */ /* SDRAMC_MR Mode register */ #define CONFIG_SYS_SDRC_MR_VAL1 0 /* SDRAMC_TR - Refresh Timer register */ -#define CONFIG_SYS_SDRC_TR_VAL1 0x13C -#define CONFIG_SYS_SDRC_CR_VAL 0x85227279 /*CL3*/ +#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 0 -#define CONFIG_SYS_SDRC_MR_VAL2 0x00000002 /* SDRAMC_MR */ +#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 4 /* SDRC_MR */ +#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 */ @@ -88,25 +125,41 @@ #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 3 /* SDRC_MR */ +#define CONFIG_SYS_SDRC_MR_VAL4 AT91_SDRAMC_MODE_LMR #define CONFIG_SYS_SDRAM_VAL10 0 /* SDRAM_BASE */ -#define CONFIG_SYS_SDRC_MR_VAL5 0 /* SDRC_MR */ +#define CONFIG_SYS_SDRC_MR_VAL5 AT91_SDRAMC_MODE_NORMAL #define CONFIG_SYS_SDRAM_VAL11 0 /* SDRAM_BASE */ #define CONFIG_SYS_SDRC_TR_VAL2 1200 /* SDRAM_TR */ #define CONFIG_SYS_SDRAM_VAL12 0 /* SDRAM_BASE */
/* setup SMC0, CS0 (NOR Flash) - 16-bit, 15 WS */ -#define CONFIG_SYS_SMC0_SETUP0_VAL 0x0A0A0A0A /* SMC_SETUP */ -#define CONFIG_SYS_SMC0_PULSE0_VAL 0x0B0B0B0B /* SMC_PULSE */ -#define CONFIG_SYS_SMC0_CYCLE0_VAL 0x00160016 /* SMC_CYCLE */ -#define CONFIG_SYS_SMC0_MODE0_VAL 0x00161003 /* SMC_MODE */ - -#define CONFIG_SYS_RSTC_RMR_VAL 0xA5000301 /* user reset enable */ - -/* Watchdog */ -#define CONFIG_SYS_WDTC_WDMR_VAL 0x3fff8fff /* disable watchdog */ - -/* */ +#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)) + +/* 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)
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ #define CONFIG_SETUP_MEMORY_TAGS 1