diff options
Diffstat (limited to 'arch/arm/include/asm/arch-s32v234/lpddr2.h')
| -rw-r--r-- | arch/arm/include/asm/arch-s32v234/lpddr2.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-s32v234/lpddr2.h b/arch/arm/include/asm/arch-s32v234/lpddr2.h new file mode 100644 index 0000000..5a05965 --- /dev/null +++ b/arch/arm/include/asm/arch-s32v234/lpddr2.h @@ -0,0 +1,75 @@ +/* + * (C) Copyright 2015-2016, Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ARCH_ARM_MACH_S32V234_LPDDR2_H__ +#define __ARCH_ARM_MACH_S32V234_LPDDR2_H__ + +/* definitions for LPDDR2 PAD values */ +#define LPDDR2_CLK0_PAD \ + (SIUL2_MSCR_DDR_SEL_LPDDR2 | SIUL2_MSCR_DDR_INPUT_DIFF_DDR | SIUL2_MSCR_DDR_ODT_120ohm |\ + SIUL2_MSCR_DSE_48ohm | SIUL2_MSCR_PUS_100K_UP | SIUL2_MSCR_CRPOINT_TRIM_1 | \ + SIUL2_MSCR_DCYCLE_TRIM_NONE) +#define LPDDR2_CKEn_PAD \ + (SIUL2_MSCR_DDR_SEL_LPDDR2 | SIUL2_MSCR_DDR_INPUT_DIFF_DDR | SIUL2_MSCR_DDR_ODT_120ohm |\ + SIUL2_MSCR_PUS_100K_UP | SIUL2_MSCR_DSE_48ohm) +#define LPDDR2_CS_Bn_PAD \ + (SIUL2_MSCR_DDR_SEL_LPDDR2 | SIUL2_MSCR_DDR_INPUT_DIFF_DDR | SIUL2_MSCR_DDR_ODT_120ohm |\ + SIUL2_MSCR_PUS_100K_UP | SIUL2_MSCR_DSE_48ohm) +#define LPDDR2_DMn_PAD \ + (SIUL2_MSCR_DDR_SEL_LPDDR2 | SIUL2_MSCR_DDR_INPUT_DIFF_DDR | SIUL2_MSCR_DDR_ODT_120ohm |\ + SIUL2_MSCR_PUS_100K_UP | SIUL2_MSCR_DSE_48ohm) +#define LPDDR2_DQSn_PAD \ + (SIUL2_MSCR_DDR_SEL_LPDDR2 | SIUL2_MSCR_DDR_INPUT_DIFF_DDR | SIUL2_MSCR_DDR_ODT_120ohm | \ + SIUL2_MSCR_DSE_48ohm | SIUL2_MSCR_PUE_EN | SIUL2_MSCR_PUS_100K_DOWN | \ + SIUL2_MSCR_PKE_EN | SIUL2_MSCR_CRPOINT_TRIM_1 | SIUL2_MSCR_DCYCLE_TRIM_NONE) +#define LPDDR2_An_PAD \ + (SIUL2_MSCR_DDR_SEL_LPDDR2 | SIUL2_MSCR_DDR_INPUT_DIFF_DDR | SIUL2_MSCR_DDR_ODT_120ohm | \ + SIUL2_MSCR_DSE_48ohm | SIUL2_MSCR_DDR_DO_TRIM_50PS | SIUL2_MSCR_DCYCLE_TRIM_LEFT | \ + SIUL2_MSCR_PUS_100K_UP) +#define LPDDR2_Dn_PAD \ + (SIUL2_MSCR_DDR_SEL_LPDDR2 | SIUL2_MSCR_DDR_INPUT_DIFF_DDR | SIUL2_MSCR_DDR_ODT_120ohm | \ + SIUL2_MSCR_DSE_48ohm | SIUL2_MSCR_DDR_DO_TRIM_50PS | SIUL2_MSCR_DCYCLE_TRIM_LEFT | \ + SIUL2_MSCR_PUS_100K_UP) + +#define _MDCTL 0x03010000 + +#define MMDC_MDSCR_CFG_VALUE 0x00008000 /* Set MDSCR[CON_REQ] (configuration request) */ +#define MMDC_MDCFG0_VALUE 0x464F61A5 /* tRFCab=70 (=130ns),tXSR=80 (=tRFCab+10ns),tXP=4 (=7.5ns),tXPDLL=n/a,tFAW=27 (50 ns),tCL(RL)=8 */ +#define MMDC_MDCFG1_VALUE 0x00180E63 /* tRCD=n/a,tRPpb=n/a,tRC=n/a ,tRAS=25 (=47ns),tRPA=n/a,tWR=8 (=15.0ns),tMRD=3,tWL=4 */ +#define MMDC_MDCFG2_VALUE 0x000000DD /* tDLLK=n/a,tRTP=4 (=7.5ns),tWTR=4 (=7.5ns),tRRD=6 (=10ns) */ +#define MMDC_MDCFG3LP_VALUE 0x001F099B /* RC_LP=tRAS+tRPab=32 (>60ns), tRCD_LP=10 (18ns) , tRPpb_LP=10 (18ns), tRPab_LP=12 (21ns) */ +#define MMDC_MDOTC_VALUE 0x00000000 /* tAOFPD=n/a,tAONPD=n/a,tANPD=n/a,tAXPD=n/a,tODTLon=n/a,tODT_idle_off=n/a */ +#define MMDC_MDMISC_VALUE 0x00001688 /* WALAT=0, BI bank interleave on, LPDDR2_S2=0, MIF3=3, RALAT=2, 8 banks, LPDDR2 */ +#define MMDC_MDOR_VALUE 0x00000010 /* tXPR=n/a , SDE_to_RST=n/a, RST_to_CKE=14 */ +#define MMDC_MPMUR0_VALUE 0x00000800 /* Force delay line initialisation */ +#define MMDC_MDSCR_RST_VALUE 0x003F8030 /* Reset command CS0 */ +#define MMDC_MPZQLP2CTL_VALUE 0x1B5F0109 /* ZQ_LP2_HW_ZQCS=0x1B (90ns spec), ZQ_LP2_HW_ZQCL=0x5F (160ns spec), ZQ_LP2_HW_ZQINIT=0x109 (1us spec) */ +#define MMDC_MPZQHWCTRL_VALUE 0xA0010003 /* ZQ_EARLY_COMPARATOR_EN_TIMER=0x14, TZQ_CS=n/a, TZQ_OPER=n/a, TZQ_INIT=n/a, ZQ_HW_FOR=1, ZQ_HW_PER=0, ZQ_MODE=3 */ +#define MMDC_MDSCR_MR1_VALUE 0xC2018030 /* Configure MR1: BL 4, burst type interleaved, wrap control no wrap, tWR cycles 8 */ +#define MMDC_MDSCR_MR2_VALUE 0x06028030 /* Configure MR2: RL=8, WL=4 */ +#define MMDC_MDSCR_MR3_VALUE 0x01038030 /* Configure MR3: DS=34R */ +#define MMDC_MDSCR_MR10_VALUE 0xFF0A8030 /* Configure MR10: Calibration at init */ +#define MMDC_MDASP_MODULE0_VALUE 0x0000007F /* 2Gb, 256 MB memory so CS0 is 256 MB (0x90000000) */ +#define MMDC_MPRDDLCTL_MODULE0_VALUE 0x4D4B4F4B /* Read delay line offsets */ +#define MMDC_MPWRDLCTL_MODULE0_VALUE 0x38383737 /* Write delay line offsets */ +#define MMDC_MPDGCTRL0_MODULE0_VALUE 0x20000000 /* Read DQS gating control 0 (disabled) */ +#define MMDC_MPDGCTRL1_MODULE0_VALUE 0x00000000 /* Read DQS gating control 1 */ +#define MMDC_MDASP_MODULE1_VALUE 0x0000007F /* 2Gb, 256 MB memory so CS0 is 256 MB (0xD0000000) */ +#define MMDC_MPRDDLCTL_MODULE1_VALUE 0x4D4B4F4B /* Read delay line offsets */ +#define MMDC_MPWRDLCTL_MODULE1_VALUE 0x38383737 /* Write delay line offsets */ +#define MMDC_MPDGCTRL0_MODULE1_VALUE 0x20000000 /* Read DQS gating control 0 (disabled) */ +#define MMDC_MPDGCTRL1_MODULE1_VALUE 0x00000000 /* Read DQS gating control 1 */ +#define MMDC_MDRWD_VALUE 0x0F9F26D2 /* Read/write command delay - default used */ +#define MMDC_MDPDC_VALUE 0x00020024 /* Power down control */ +#define MMDC_MDREF_VALUE 0x30B01800 /* Refresh control */ +#define MMDC_MPODTCTRL_VALUE 0x00000000 /* No ODT */ +#define MMDC_MDSCR_DEASSERT_VALUE 0x00000000 /* Deassert the configuration request */ + +/* set I/O pads for DDR */ +void lpddr2_config_iomux(uint8_t module); +void config_mmdc(uint8_t module); + +#endif |