From 157e56262f0b1bf87aaa3484e454b4bcbcc04bca Mon Sep 17 00:00:00 2001 From: =?utf8?q?Lothar=20Wa=C3=9Fmann?= Date: Mon, 19 Aug 2013 17:20:30 +0200 Subject: [PATCH] tx53: lowlevel_init: update memory initialization to fit NT5CB128M16 'F' revision --- board/karo/tx53/lowlevel_init.S | 266 ++++++++++++++++++++------------ 1 file changed, 170 insertions(+), 96 deletions(-) diff --git a/board/karo/tx53/lowlevel_init.S b/board/karo/tx53/lowlevel_init.S index 6593f7908c..dee8f5beca 100644 --- a/board/karo/tx53/lowlevel_init.S +++ b/board/karo/tx53/lowlevel_init.S @@ -61,6 +61,7 @@ #define CK_TO_NS(ck) (((ck) * 1000 + SDRAM_CLK / 2) / SDRAM_CLK) #define NS_TO_CK(ns) (((ns) * SDRAM_CLK + 999) / 1000) +#define NS_TO_CK10(ns) DIV_ROUND_UP(NS_TO_CK(ns), 10) .macro CK_VAL, name, clks, offs, max .iflt \clks - \offs @@ -107,108 +108,178 @@ #endif #define SDRAM_BURST_LENGTH 8 #define RALAT 5 -#define WALAT 1 +#define WALAT 0 +#define BI_ON 0 #define ADDR_MIRROR 0 #define DDR_TYPE ESDMISC_DDR_TYPE_DDR3 -/* 512/1024MiB SDRAM: NT5CB128M16P-CG */ +/* 512/1024MiB SDRAM: NT5CB128M16FP-DII */ +#if SDRAM_CLK > 666 && SDRAM_CLK <= 800 +#define CL_VAL 11 +#define CWL_VAL 8 +#elif SDRAM_CLK > 533 && SDRAM_CLK <= 666 +#define CL_VAL 9 // or 10 +#define CWL_VAL 7 +#elif SDRAM_CLK > 400 && SDRAM_CLK <= 533 +#define CL_VAL 7 // or 8 +#define CWL_VAL 6 +#elif SDRAM_CLK > 333 && SDRAM_CLK <= 400 +#define CL_VAL 6 +#define CWL_VAL 5 +#elif SDRAM_CLK >= 303 && SDRAM_CLK <= 333 +#define CL_VAL 5 +#define CWL_VAL 5 +#else +#error SDRAM clock out of range: 303 .. 800 +#endif + /* ESDCFG0 0x0c */ NS_VAL tRFC, 160, 1, 255 /* clks - 1 (0..255) */ -CK_MAX tXS, tRFC + 1 + NS_TO_CK(10), 5, 1, 255 /* clks - 1 (0..255) tRFC + 10 */ -CK_MAX tXP, 3, NS_TO_CK(6), 1, 7 /* clks - 1 (0..7) */ /* max(6ns, 3*CK) */ +CK_MAX tXS, NS_TO_CK(CK_TO_NS(tRFC + 1) + 10), 5, 1, 255 /* clks - 1 (0..255) tRFC + 10 */ +CK_MAX tXP, NS_TO_CK10(75), 3, 1, 7 /* clks - 1 (0..7) */ /* max(3tCK, 7.5ns) */ CK_MAX tXPDLL, NS_TO_CK(24), 2, 1, 15 /* clks - 1 (0..15) */ -NS_VAL tFAW, 45, 1, 31 /* clks - 1 (0..31) */ -CK_VAL tCL, 9, 3, 8 /* clks - 3 (0..8) CAS Latency */ +NS_VAL tFAW, 50, 1, 31 /* clks - 1 (0..31) */ +CK_VAL tCL, CL_VAL, 3, 8 /* clks - 3 (0..8) CAS Latency */ /* ESDCFG1 0x10 */ -NS_VAL tRCD, 14, 1, 7 /* clks - 1 (0..7) */ -NS_VAL tRP, 14, 1, 7 /* clks - 1 (0..7) */ +CK_VAL tRCD, NS_TO_CK10(125), 1, 7 /* clks - 1 (0..7) */ /* 12.5 */ +CK_VAL tRP, NS_TO_CK10(125), 1, 7 /* clks - 1 (0..7) */ /* 12.5 */ NS_VAL tRC, 50, 1, 31 /* clks - 1 (0..31) */ -NS_VAL tRAS, 36, 1, 31 /* clks - 1 (0..31) */ -CK_VAL tRPA, 0, 0, 1 /* clks (0..1) */ +CK_VAL tRAS, NS_TO_CK10(375), 1, 31 /* clks - 1 (0..31) */ /* 37.5 */ +CK_VAL tRPA, 1, 0, 1 /* clks (0..1) */ NS_VAL tWR, 15, 1, 15 /* clks - 1 (0..15) */ CK_VAL tMRD, 4, 1, 15 /* clks - 1 (0..15) */ -CK_VAL tCWL, 5, 2, 6 /* clks - 2 (0..6) */ +CK_VAL tCWL, CWL_VAL, 2, 6 /* clks - 2 (0..6) */ /* ESDCFG2 0x14 */ CK_VAL tDLLK, 512, 1, 511 /* clks - 1 (0..511) */ -CK_MAX tRTP, 4, NS_TO_CK(8), 1, 7 /* clks - 1 (0..7) */ -CK_MAX tWTR, 4, NS_TO_CK(8), 1, 7 /* clks - 1 (0..7) */ -CK_MAX tRRD, 4, NS_TO_CK(8), 1, 7 /* clks - 1 (0..7) */ +CK_MAX tRTP, NS_TO_CK10(75), 4, 1, 7 /* clks - 1 (0..7) */ /* max(4tCK, 7.5ns) */ +CK_MAX tWTR, NS_TO_CK10(75), 4, 1, 7 /* clks - 1 (0..7) */ /* max(4tCK, 7.5ns) */ +CK_MAX tRRD, NS_TO_CK(10), 4, 1, 7 /* clks - 1 (0..7) */ /* ESDOR 0x30 */ CK_MAX tXPR, NS_TO_CK(CK_TO_NS(tRFC + 1) + 10), 5, 1, 255 /* clks - 1 (0..255) max(tRFC + 10, 5CK) */ - -/* ESDOTC 0x08 */ -NS_VAL tAOFPD, 9, 1, 7 /* clks - 1 (0..7) */ -NS_VAL tAONPD, 9, 1, 7 /* clks - 1 (0..7) */ -CK_VAL tANPD, tCWL, 1, 15 /* clks - 1 (0..15) */ -CK_VAL tAXPD, tCWL, 1, 15 /* clks - 1 (0..15) */ -CK_VAL tODTLon tCWL - 1, 1, 7 /* clks - 1 (0..7) */ -CK_VAL tODTLoff tCWL - 1, 1, 31 /* clks - 1 (0..31) */ - #define tSDE_RST (DIV_ROUND_UP(200000, ESDOR_CLK_PERIOD_ns) + 1) - /* Add an extra (or two?) ESDOR_CLK_PERIOD_ns according to * erroneous Erratum Engcm12377 */ #define tRST_CKE (DIV_ROUND_UP(500000 + 2 * ESDOR_CLK_PERIOD_ns, ESDOR_CLK_PERIOD_ns) + 1) + +/* ESDOTC 0x08 */ +CK_VAL tAOFPD, NS_TO_CK10(85), 1, 7 /* clks - 1 (0..7) */ /* 8.5ns */ +CK_VAL tAONPD, NS_TO_CK10(85), 1, 7 /* clks - 1 (0..7) */ /* 8.5ns */ +CK_VAL tANPD, tCWL + 1, 1, 15 /* clks - 1 (0..15) */ +CK_VAL tAXPD, tCWL + 1, 1, 15 /* clks - 1 (0..15) */ +CK_VAL tODTLon tCWL, 0, 7 /* clks - 1 (0..7) */ /* CWL+AL-2 */ +CK_VAL tODTLoff tCWL, 0, 31 /* clks - 1 (0..31) */ /* CWL+AL-2 */ + +/* ESDPDC 0x04 */ +CK_MAX tCKE, NS_TO_CK(5), 3, 1, 7 +CK_MAX tCKSRX, NS_TO_CK(10), 5, 0, 7 +CK_MAX tCKSRE, NS_TO_CK(10), 5, 0, 7 + +#define PRCT 0 +#define PWDT 5 +#define SLOW_PD 0 +#define BOTH_CS_PD 1 + +#define ESDPDC_VAL_0 ( \ + (PRCT << 28) | \ + (PRCT << 24) | \ + (tCKE << 16) | \ + (SLOW_PD << 7) | \ + (BOTH_CS_PD << 6) | \ + (tCKSRX << 3) | \ + (tCKSRE << 0) \ + ) + +#define ESDPDC_VAL_1 (ESDPDC_VAL_0 | \ + (PWDT << 12) | \ + (PWDT << 8) \ + ) + #define ROW_ADDR_BITS 14 #define COL_ADDR_BITS 10 +#define Rtt_Nom 1 /* ODT: 0: off 1: RZQ/4 2: RZQ/2 3: RZQ/6 4: RZQ/12 5: RZQ/8 */ +#define Rtt_WR 0 /* Dynamic ODT: 0: off 1: RZQ/4 2: RZQ/2 */ +#define DLL_DISABLE 0 + .iflt tWR - 7 - .set mrs_val, (0x8080 | \ - (3 << 4) /* MRS command */ | \ - ((1 << 8) /* DLL Reset */ | \ - ((tWR + 1 - 4) << 9) | \ - (((tCL + 3) - 4) << 4)) << 16) + .set mr0_val, (((1 - DLL_DISABLE) << 8) /* DLL Reset */ | \ + (SLOW_PD << 12) /* PD exit: 0: fast 1: slow */ |\ + ((tWR + 1 - 4) << 9) | \ + ((((tCL + 3) - 4) & 0x7) << 4) | \ + ((((tCL + 3) - 4) & 0x8) >> 1)) .else - .set mrs_val, (0x8080 | \ - (3 << 4) /* MRS command */ | \ - ((1 << 8) /* DLL Reset */ | \ - (((tWR + 1) / 2) << 9) | \ - (((tCL + 3) - 4) << 4)) << 16) + .set mr0_val, ((1 << 8) /* DLL Reset */ | \ + (SLOW_PD << 12) /* PD exit: 0: fast 1: slow */ |\ + (((tWR + 1) / 2) << 9) | \ + ((((tCL + 3) - 4) & 0x7) << 4) | \ + ((((tCL + 3) - 4) & 0x8) >> 1)) .endif -#define ESDSCR_MRS_VAL(cs) (mrs_val | ((cs) << 3)) - -#define ESDCFG0_VAL ( \ - (tRFC << 24) | \ - (tXS << 16) | \ - (tXP << 13) | \ - (tXPDLL << 9) | \ - (tFAW << 4) | \ - (tCL << 0)) \ - -#define ESDCFG1_VAL ( \ - (tRCD << 29) | \ - (tRP << 26) | \ - (tRC << 21) | \ - (tRAS << 16) | \ - (tRPA << 15) | \ - (tWR << 9) | \ - (tMRD << 5) | \ - (tCWL << 0)) \ - -#define ESDCFG2_VAL ( \ - (tDLLK << 16) | \ - (tRTP << 6) | \ - (tWTR << 3) | \ + +#define mr1_val ( \ + ((Rtt_Nom & 1) << 2) | \ + (((Rtt_Nom >> 1) & 1) << 6) | \ + (((Rtt_Nom >> 2) & 1) << 9) | \ + (DLL_DISABLE << 0) | \ + 0) +#define mr2_val ( \ + (Rtt_WR << 9) /* dynamic ODT */ | \ + (0 << 7) /* SRT: Ext. temp. (mutually exclusive with ASR!) */ | \ + (1 << 6) | /* ASR: Automatic Self Refresh */ \ + (((tCWL + 2) - 5) << 3) | \ + 0) +#define mr3_val 0 + +#define ESDSCR_MRS_VAL(cs, mr, val) (((val) << 16) | \ + (1 << 15) /* CON_REQ */ | \ + 0x80 | \ + (3 << 4) /* MRS command */ | \ + ((cs) << 3) | \ + ((mr) << 0) | \ + 0) + +#define ESDCFG0_VAL ( \ + (tRFC << 24) | \ + (tXS << 16) | \ + (tXP << 13) | \ + (tXPDLL << 9) | \ + (tFAW << 4) | \ + (tCL << 0)) \ + +#define ESDCFG1_VAL ( \ + (tRCD << 29) | \ + (tRP << 26) | \ + (tRC << 21) | \ + (tRAS << 16) | \ + (tRPA << 15) | \ + (tWR << 9) | \ + (tMRD << 5) | \ + (tCWL << 0)) \ + +#define ESDCFG2_VAL ( \ + (tDLLK << 16) | \ + (tRTP << 6) | \ + (tWTR << 3) | \ (tRRD << 0)) -#define BURST_LEN (SDRAM_BURST_LENGTH / 8) /* 0: 4 byte 1: 8 byte */ -#define ESDCTL_VAL (((ROW_ADDR_BITS - 11) << 24) | \ - ((COL_ADDR_BITS - 9) << 20) | \ - (BURST_LEN << 19) | \ - (1 << 16) | /* SDRAM bus width */ \ - ((-1) << (32 - BANK_ADDR_BITS))) +#define BURST_LEN (SDRAM_BURST_LENGTH / 8) /* 0: 4 byte 1: 8 byte */ + +#define ESDCTL_VAL (((ROW_ADDR_BITS - 11) << 24) | \ + ((COL_ADDR_BITS - 9) << 20) | \ + (BURST_LEN << 19) | \ + (1 << 16) | /* SDRAM bus width */ \ + ((-1) << (32 - BANK_ADDR_BITS))) -#define ESDMISC_VAL ((1 << 12) | \ - (0x3 << 9) | \ - (RALAT << 6) | \ - (WALAT << 16) | \ - (ADDR_MIRROR << 19) | \ - (DDR_TYPE << 3)) +#define ESDMISC_VAL ((ADDR_MIRROR << 19) | \ + (WALAT << 16) | \ + (BI_ON << 12) | \ + (0x3 << 9) | \ + (RALAT << 6) | \ + (DDR_TYPE << 3)) #define ESDOR_VAL ((tXPR << 16) | (tSDE_RST << 8) | (tRST_CKE << 0)) @@ -263,6 +334,9 @@ dcd_hdr: .word CPU_2_BE_32((0xd2 << 24) | ((dcd_end - .) << 8) | DCD_VERSION) dcd_start: MXC_DCD_CMD_WRT(MXC_DCD_CMD_SZ_WORD, MXC_DCD_CMD_FLAG_WRITE, zq_calib) + + MXC_DCD_ITEM(0x53fa8004, 0x00194005) @ set LDO to 1.3V + /* disable all irrelevant clocks */ MXC_DCD_ITEM(CCM_BASE_ADDR + REG_CCGR0, 0xffcf0fff) MXC_DCD_ITEM(CCM_BASE_ADDR + REG_CCGR1, 0x000fffc3) @@ -364,22 +438,22 @@ dcd_start: MXC_DCD_ITEM(0x63fd902c, 0x000026d2) MXC_DCD_ITEM(0x63fd9030, ESDOR_VAL) MXC_DCD_ITEM(0x63fd9008, ESDOTC_VAL) - MXC_DCD_ITEM(0x63fd9004, 0x00030012) - - /* MR0 - CS0 */ - MXC_DCD_ITEM(0x63fd901c, 0x00008032) /* MRS: MR2 */ - MXC_DCD_ITEM(0x63fd901c, 0x00008033) /* MRS: MR3 */ - MXC_DCD_ITEM(0x63fd901c, 0x00408031) /* MRS: MR1 */ - MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0)) /* MRS: MR0 */ - /* MR0 - CS1 */ + MXC_DCD_ITEM(0x63fd9004, ESDPDC_VAL_0) + + /* MR0..3 - CS0 */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 2, mr2_val)) /* MRS: MR2 */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, mr3_val)) /* MRS: MR3 */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 1, mr1_val)) /* MRS: MR1 */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 0, mr0_val)) /* MRS: MR0 */ #if BANK_ADDR_BITS > 1 - MXC_DCD_ITEM(0x63fd901c, 0x0000803a) /* MRS: MR2 */ - MXC_DCD_ITEM(0x63fd901c, 0x0000803b) /* MRS: MR3 */ - MXC_DCD_ITEM(0x63fd901c, 0x00408039) /* MRS: MR1 */ - MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(1)) /* MRS: MR0 */ + /* MR0..3 - CS1 */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(1, 2, 0x0000)) /* MRS: MR2 */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(1, 3, 0x0000)) /* MRS: MR3 */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(1, 1, 0x0040)) /* MRS: MR1 */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(1, 0, mr0_val)) /* MRS: MR0 */ #endif - MXC_DCD_ITEM(0x63fd9020, 0x00005800) /* refresh interval */ - MXC_DCD_ITEM(0x63fd9058, 0x00011112) + MXC_DCD_ITEM(0x63fd9020, 3 << 14) /* disable refresh during calibration */ + MXC_DCD_ITEM(0x63fd9058, 0x00022222) MXC_DCD_ITEM(0x63fd90d0, 0x00000003) /* select default compare pattern for calibration */ @@ -392,48 +466,48 @@ zq_calib: MXC_DCD_CMD_WRT(MXC_DCD_CMD_SZ_WORD, MXC_DCD_CMD_FLAG_WRITE, wl_calib) /* Write Leveling */ - MXC_DCD_ITEM(0x63fd901c, 0x00048033) /* MRS: select MPR */ - MXC_DCD_ITEM(0x63fd901c, 0x00848231) /* MRS: start write leveling */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, (1 << 2))) /* MRS: select MPR */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 1, mr1_val | (1 << 7)) | (1 << 9)) /* MRS: start write leveling */ MXC_DCD_ITEM(0x63fd901c, 0x00000000) MXC_DCD_ITEM(0x63fd9048, 0x00000001) wl_calib: MXC_DCD_CMD_CHK(MXC_DCD_CMD_SZ_WORD, 0, 0x63fd9048, 0x00000001) MXC_DCD_CMD_WRT(MXC_DCD_CMD_SZ_WORD, MXC_DCD_CMD_FLAG_WRITE, dqs_calib) - MXC_DCD_ITEM(0x63fd901c, 0x00048031) /* MRS: end write leveling */ - MXC_DCD_ITEM(0x63fd901c, 0x00008033) /* MRS: select normal data path */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 1, mr1_val)) /* MRS: end write leveling */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, 0)) /* MRS: select normal data path */ /* DQS calibration */ MXC_DCD_ITEM(0x63fd901c, 0x04008010) /* precharge all */ - MXC_DCD_ITEM(0x63fd901c, 0x00048033) /* MRS: select MPR */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, (1 << 2))) /* MRS: select MPR */ MXC_DCD_ITEM(0x63fd907c, 0x90000000) /* reset RD fifo and start DQS calib. */ dqs_calib: MXC_DCD_CMD_CHK(MXC_DCD_CMD_SZ_WORD, 0, 0x63fd907c, 0x90000000) MXC_DCD_CMD_WRT(MXC_DCD_CMD_SZ_WORD, MXC_DCD_CMD_FLAG_WRITE, wr_dl_calib) - MXC_DCD_ITEM(0x63fd901c, 0x00008033) /* MRS: select normal data path */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, 0)) /* MRS: select normal data path */ /* WR DL calibration */ MXC_DCD_ITEM(0x63fd901c, 0x00000000) MXC_DCD_ITEM(0x63fd901c, 0x04008010) /* precharge all */ - MXC_DCD_ITEM(0x63fd901c, 0x00048033) /* MRS: select MPR */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, (1 << 2))) /* MRS: select MPR */ MXC_DCD_ITEM(0x63fd90a4, 0x00000010) wr_dl_calib: /* 6c4 */ MXC_DCD_CMD_CHK(MXC_DCD_CMD_SZ_WORD, 0, 0x63fd90a4, 0x00000010) MXC_DCD_CMD_WRT(MXC_DCD_CMD_SZ_WORD, MXC_DCD_CMD_FLAG_WRITE, rd_dl_calib) - MXC_DCD_ITEM(0x63fd901c, 0x00008033) /* MRS: select normal data path */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, 0)) /* MRS: select normal data path */ /* RD DL calibration */ MXC_DCD_ITEM(0x63fd901c, 0x04008010) /* precharge all */ - MXC_DCD_ITEM(0x63fd901c, 0x00048033) /* MRS: select MPR */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, (1 << 2))) /* MRS: select MPR */ MXC_DCD_ITEM(0x63fd90a0, 0x00000010) rd_dl_calib: /* 70c */ MXC_DCD_CMD_CHK(MXC_DCD_CMD_SZ_WORD, 0, 0x63fd90a0, 0x00000010) MXC_DCD_CMD_WRT(MXC_DCD_CMD_SZ_WORD, MXC_DCD_CMD_FLAG_WRITE, dcd_end) - MXC_DCD_ITEM(0x63fd901c, 0x00008033) /* MRS: select normal data path */ + MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, 0)) /* MRS: select normal data path */ + MXC_DCD_ITEM(0x63fd9020, (3 << 11) | (0 << 14)) /* refresh interval: 4 cycles every 64kHz period */ + MXC_DCD_ITEM(0x63fd9004, ESDPDC_VAL_1) MXC_DCD_ITEM(0x63fd901c, 0x00000000) - MXC_DCD_ITEM(0x53fa8004, 0x00194005) @ set LDO to 1.3V - /* setup NFC pads */ /* MUX_SEL */ MXC_DCD_ITEM(0x53fa819c, 0x00000000) @ EIM_DA0 -- 2.39.2