From: Dinh Nguyen dinguyen@opensource.altera.com
This patch enables the SDRAM controller that is used on Altera's SoCFPGA family. This patch configures the SDRAM controller based on a configuration file that is generated from the Quartus tool, sdram_config.h.
Signed-off-by: Dinh Nguyen dinguyen@opensource.altera.com --- Makefile | 1 + arch/arm/mach-socfpga/include/mach/sdram.h | 311 ++++++++- arch/arm/mach-socfpga/include/mach/sdram_config.h | 100 +++ drivers/ddr/altera/sdram.c | 799 ++++++++++++++++++++++ scripts/Makefile.spl | 1 + 5 files changed, 1200 insertions(+), 12 deletions(-) create mode 100644 arch/arm/mach-socfpga/include/mach/sdram_config.h create mode 100644 drivers/ddr/altera/sdram.c
diff --git a/Makefile b/Makefile index 54ef2cd..041dea7 100644 --- a/Makefile +++ b/Makefile @@ -651,6 +651,7 @@ libs-y += drivers/power/ \ libs-y += drivers/spi/ libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ +libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ libs-y += drivers/serial/ libs-y += drivers/usb/dwc3/ libs-y += drivers/usb/emul/ diff --git a/arch/arm/mach-socfpga/include/mach/sdram.h b/arch/arm/mach-socfpga/include/mach/sdram.h index 4f6489d..b4c1a2f 100644 --- a/arch/arm/mach-socfpga/include/mach/sdram.h +++ b/arch/arm/mach-socfpga/include/mach/sdram.h @@ -1,19 +1,306 @@ /* - * Copyright (C) 2015 Marek Vasut marex@denx.de - * - * FIXME: This file contains temporary stub functions and is here - * only until these functions are properly merged into - * mainline. + * Copyright Altera Corporation (C) 2014-2015 * * SPDX-License-Identifier: GPL-2.0+ */ +#ifndef _SDRAM_H_ +#define _SDRAM_H_ + +#ifndef __ASSEMBLY__ + +unsigned long sdram_calculate_size(void); +unsigned sdram_mmr_init_full(unsigned int sdr_phy_reg); +int sdram_calibration_full(void); + +extern int sdram_calibration(void); + +#define SDR_CTRLGRP_ADDRESS 0x5000 + +struct socfpga_sdr_ctrl { + u32 ctrl_cfg; + u32 dram_timing1; + u32 dram_timing2; + u32 dram_timing3; + u32 dram_timing4; /* 0x10 */ + u32 lowpwr_timing; + u32 dram_odt; + u32 __padding0[4]; + u32 dram_addrw; /* 0x2c */ + u32 dram_if_width; /* 0x30 */ + u32 dram_dev_width; + u32 dram_sts; + u32 dram_intr; + u32 sbe_count; /* 0x40 */ + u32 dbe_count; + u32 err_addr; + u32 drop_count; + u32 drop_addr; /* 0x50 */ + u32 lowpwr_eq; + u32 lowpwr_ack; + u32 static_cfg; + u32 ctrl_width; /* 0x60 */ + u32 cport_width; + u32 cport_wmap; + u32 cport_rmap; + u32 rfifo_cmap; /* 0x70 */ + u32 wfifo_cmap; + u32 cport_rdwr; + u32 port_cfg; + u32 fpgaport_rst; /* 0x80 */ + u32 __padding1; + u32 fifo_cfg; + u32 protport_default; + u32 prot_rule_addr; /* 0x90 */ + u32 prot_rule_id; + u32 prot_rule_data; + u32 prot_rule_rdwr; + u32 __padding2[3]; + u32 mp_priority; /* 0xac */ + u32 mp_weight0; /* 0xb0 */ + u32 mp_weight1; + u32 mp_weight2; + u32 mp_weight3; + u32 mp_pacing0; /* 0xc0 */ + u32 mp_pacing1; + u32 mp_pacing2; + u32 mp_pacing3; + u32 mp_threshold0; /* 0xd0 */ + u32 mp_threshold1; + u32 mp_threshold2; + u32 __padding3[29]; + u32 phy_ctrl0; /* 0x150 */ + u32 phy_ctrl1; + u32 phy_ctrl2; +}; + +struct sdram_prot_rule { + uint64_t sdram_start; /* SDRAM start address */ + uint64_t sdram_end; /* SDRAM end address */ + uint32_t rule; /* SDRAM protection rule number: 0-19 */ + int valid; /* Rule valid or not? 1 - valid, 0 not*/ + + uint32_t security; + uint32_t portmask; + uint32_t result; + uint32_t lo_prot_id; + uint32_t hi_prot_id; +};
-#ifndef __ARCH_SDRAM_H__ -#define __ARCH_SDRAM_H__ +#define SDR_CTRLGRP_CTRLCFG_NODMPINS_LSB 23 +#define SDR_CTRLGRP_CTRLCFG_NODMPINS_MASK 0x00800000 +#define SDR_CTRLGRP_CTRLCFG_DQSTRKEN_LSB 22 +#define SDR_CTRLGRP_CTRLCFG_DQSTRKEN_MASK 0x00400000 +#define SDR_CTRLGRP_CTRLCFG_STARVELIMIT_LSB 16 +#define SDR_CTRLGRP_CTRLCFG_STARVELIMIT_MASK 0x003f0000 +#define SDR_CTRLGRP_CTRLCFG_REORDEREN_LSB 15 +#define SDR_CTRLGRP_CTRLCFG_REORDEREN_MASK 0x00008000 +#define SDR_CTRLGRP_CTRLCFG_ECCCORREN_LSB 11 +#define SDR_CTRLGRP_CTRLCFG_ECCCORREN_MASK 0x00000800 +#define SDR_CTRLGRP_CTRLCFG_ECCEN_LSB 10 +#define SDR_CTRLGRP_CTRLCFG_ECCEN_MASK 0x00000400 +#define SDR_CTRLGRP_CTRLCFG_ADDRORDER_LSB 8 +#define SDR_CTRLGRP_CTRLCFG_ADDRORDER_MASK 0x00000300 +#define SDR_CTRLGRP_CTRLCFG_MEMBL_LSB 3 +#define SDR_CTRLGRP_CTRLCFG_MEMBL_MASK 0x000000f8 +#define SDR_CTRLGRP_CTRLCFG_MEMTYPE_LSB 0 +#define SDR_CTRLGRP_CTRLCFG_MEMTYPE_MASK 0x00000007 +/* Register template: sdr::ctrlgrp::dramtiming1 */ +#define SDR_CTRLGRP_DRAMTIMING1_TRFC_LSB 24 +#define SDR_CTRLGRP_DRAMTIMING1_TRFC_MASK 0xff000000 +#define SDR_CTRLGRP_DRAMTIMING1_TFAW_LSB 18 +#define SDR_CTRLGRP_DRAMTIMING1_TFAW_MASK 0x00fc0000 +#define SDR_CTRLGRP_DRAMTIMING1_TRRD_LSB 14 +#define SDR_CTRLGRP_DRAMTIMING1_TRRD_MASK 0x0003c000 +#define SDR_CTRLGRP_DRAMTIMING1_TCL_LSB 9 +#define SDR_CTRLGRP_DRAMTIMING1_TCL_MASK 0x00003e00 +#define SDR_CTRLGRP_DRAMTIMING1_TAL_LSB 4 +#define SDR_CTRLGRP_DRAMTIMING1_TAL_MASK 0x000001f0 +#define SDR_CTRLGRP_DRAMTIMING1_TCWL_LSB 0 +#define SDR_CTRLGRP_DRAMTIMING1_TCWL_MASK 0x0000000f +/* Register template: sdr::ctrlgrp::dramtiming2 */ +#define SDR_CTRLGRP_DRAMTIMING2_TWTR_LSB 25 +#define SDR_CTRLGRP_DRAMTIMING2_TWTR_MASK 0x1e000000 +#define SDR_CTRLGRP_DRAMTIMING2_TWR_LSB 21 +#define SDR_CTRLGRP_DRAMTIMING2_TWR_MASK 0x01e00000 +#define SDR_CTRLGRP_DRAMTIMING2_TRP_LSB 17 +#define SDR_CTRLGRP_DRAMTIMING2_TRP_MASK 0x001e0000 +#define SDR_CTRLGRP_DRAMTIMING2_TRCD_LSB 13 +#define SDR_CTRLGRP_DRAMTIMING2_TRCD_MASK 0x0001e000 +#define SDR_CTRLGRP_DRAMTIMING2_TREFI_LSB 0 +#define SDR_CTRLGRP_DRAMTIMING2_TREFI_MASK 0x00001fff +/* Register template: sdr::ctrlgrp::dramtiming3 */ +#define SDR_CTRLGRP_DRAMTIMING3_TCCD_LSB 19 +#define SDR_CTRLGRP_DRAMTIMING3_TCCD_MASK 0x00780000 +#define SDR_CTRLGRP_DRAMTIMING3_TMRD_LSB 15 +#define SDR_CTRLGRP_DRAMTIMING3_TMRD_MASK 0x00078000 +#define SDR_CTRLGRP_DRAMTIMING3_TRC_LSB 9 +#define SDR_CTRLGRP_DRAMTIMING3_TRC_MASK 0x00007e00 +#define SDR_CTRLGRP_DRAMTIMING3_TRAS_LSB 4 +#define SDR_CTRLGRP_DRAMTIMING3_TRAS_MASK 0x000001f0 +#define SDR_CTRLGRP_DRAMTIMING3_TRTP_LSB 0 +#define SDR_CTRLGRP_DRAMTIMING3_TRTP_MASK 0x0000000f +/* Register template: sdr::ctrlgrp::dramtiming4 */ +#define SDR_CTRLGRP_DRAMTIMING4_MINPWRSAVECYCLES_LSB 20 +#define SDR_CTRLGRP_DRAMTIMING4_MINPWRSAVECYCLES_MASK 0x00f00000 +#define SDR_CTRLGRP_DRAMTIMING4_PWRDOWNEXIT_LSB 10 +#define SDR_CTRLGRP_DRAMTIMING4_PWRDOWNEXIT_MASK 0x000ffc00 +#define SDR_CTRLGRP_DRAMTIMING4_SELFRFSHEXIT_LSB 0 +#define SDR_CTRLGRP_DRAMTIMING4_SELFRFSHEXIT_MASK 0x000003ff +/* Register template: sdr::ctrlgrp::lowpwrtiming */ +#define SDR_CTRLGRP_LOWPWRTIMING_CLKDISABLECYCLES_LSB 16 +#define SDR_CTRLGRP_LOWPWRTIMING_CLKDISABLECYCLES_MASK 0x000f0000 +#define SDR_CTRLGRP_LOWPWRTIMING_AUTOPDCYCLES_LSB 0 +#define SDR_CTRLGRP_LOWPWRTIMING_AUTOPDCYCLES_MASK 0x0000ffff +/* Register template: sdr::ctrlgrp::dramaddrw */ +#define SDR_CTRLGRP_DRAMADDRW_CSBITS_LSB 13 +#define SDR_CTRLGRP_DRAMADDRW_CSBITS_MASK 0x0000e000 +#define SDR_CTRLGRP_DRAMADDRW_BANKBITS_LSB 10 +#define SDR_CTRLGRP_DRAMADDRW_BANKBITS_MASK 0x00001c00 +#define SDR_CTRLGRP_DRAMADDRW_ROWBITS_LSB 5 +#define SDR_CTRLGRP_DRAMADDRW_ROWBITS_MASK 0x000003e0 +#define SDR_CTRLGRP_DRAMADDRW_COLBITS_LSB 0 +#define SDR_CTRLGRP_DRAMADDRW_COLBITS_MASK 0x0000001f +/* Register template: sdr::ctrlgrp::dramifwidth */ +#define SDR_CTRLGRP_DRAMIFWIDTH_IFWIDTH_LSB 0 +#define SDR_CTRLGRP_DRAMIFWIDTH_IFWIDTH_MASK 0x000000ff +/* Register template: sdr::ctrlgrp::dramdevwidth */ +#define SDR_CTRLGRP_DRAMDEVWIDTH_DEVWIDTH_LSB 0 +#define SDR_CTRLGRP_DRAMDEVWIDTH_DEVWIDTH_MASK 0x0000000f +/* Register template: sdr::ctrlgrp::dramintr */ +#define SDR_CTRLGRP_DRAMINTR_INTREN_LSB 0 +#define SDR_CTRLGRP_DRAMINTR_INTREN_MASK 0x00000001 +#define SDR_CTRLGRP_LOWPWREQ_SELFRFSHMASK_LSB 4 +#define SDR_CTRLGRP_LOWPWREQ_SELFRFSHMASK_MASK 0x00000030 +/* Register template: sdr::ctrlgrp::staticcfg */ +#define SDR_CTRLGRP_STATICCFG_APPLYCFG_LSB 3 +#define SDR_CTRLGRP_STATICCFG_APPLYCFG_MASK 0x00000008 +#define SDR_CTRLGRP_STATICCFG_USEECCASDATA_LSB 2 +#define SDR_CTRLGRP_STATICCFG_USEECCASDATA_MASK 0x00000004 +#define SDR_CTRLGRP_STATICCFG_MEMBL_LSB 0 +#define SDR_CTRLGRP_STATICCFG_MEMBL_MASK 0x00000003 +/* Register template: sdr::ctrlgrp::ctrlwidth */ +#define SDR_CTRLGRP_CTRLWIDTH_CTRLWIDTH_LSB 0 +#define SDR_CTRLGRP_CTRLWIDTH_CTRLWIDTH_MASK 0x00000003 +/* Register template: sdr::ctrlgrp::cportwidth */ +#define SDR_CTRLGRP_CPORTWIDTH_CMDPORTWIDTH_LSB 0 +#define SDR_CTRLGRP_CPORTWIDTH_CMDPORTWIDTH_MASK 0x000fffff +/* Register template: sdr::ctrlgrp::cportwmap */ +#define SDR_CTRLGRP_CPORTWMAP_CPORTWFIFOMAP_LSB 0 +#define SDR_CTRLGRP_CPORTWMAP_CPORTWFIFOMAP_MASK 0x3fffffff +/* Register template: sdr::ctrlgrp::cportrmap */ +#define SDR_CTRLGRP_CPORTRMAP_CPORTRFIFOMAP_LSB 0 +#define SDR_CTRLGRP_CPORTRMAP_CPORTRFIFOMAP_MASK 0x3fffffff +/* Register template: sdr::ctrlgrp::rfifocmap */ +#define SDR_CTRLGRP_RFIFOCMAP_RFIFOCPORTMAP_LSB 0 +#define SDR_CTRLGRP_RFIFOCMAP_RFIFOCPORTMAP_MASK 0x00ffffff +/* Register template: sdr::ctrlgrp::wfifocmap */ +#define SDR_CTRLGRP_WFIFOCMAP_WFIFOCPORTMAP_LSB 0 +#define SDR_CTRLGRP_WFIFOCMAP_WFIFOCPORTMAP_MASK 0x00ffffff +/* Register template: sdr::ctrlgrp::cportrdwr */ +#define SDR_CTRLGRP_CPORTRDWR_CPORTRDWR_LSB 0 +#define SDR_CTRLGRP_CPORTRDWR_CPORTRDWR_MASK 0x000fffff +/* Register template: sdr::ctrlgrp::portcfg */ +#define SDR_CTRLGRP_PORTCFG_AUTOPCHEN_LSB 10 +#define SDR_CTRLGRP_PORTCFG_AUTOPCHEN_MASK 0x000ffc00 +#define SDR_CTRLGRP_PORTCFG_PORTPROTOCOL_LSB 0 +#define SDR_CTRLGRP_PORTCFG_PORTPROTOCOL_MASK 0x000003ff +/* Register template: sdr::ctrlgrp::fifocfg */ +#define SDR_CTRLGRP_FIFOCFG_INCSYNC_LSB 10 +#define SDR_CTRLGRP_FIFOCFG_INCSYNC_MASK 0x00000400 +#define SDR_CTRLGRP_FIFOCFG_SYNCMODE_LSB 0 +#define SDR_CTRLGRP_FIFOCFG_SYNCMODE_MASK 0x000003ff +/* Register template: sdr::ctrlgrp::mppriority */ +#define SDR_CTRLGRP_MPPRIORITY_USERPRIORITY_LSB 0 +#define SDR_CTRLGRP_MPPRIORITY_USERPRIORITY_MASK 0x3fffffff +/* Register template: sdr::ctrlgrp::mpweight::mpweight_0 */ +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_0_STATICWEIGHT_31_0_LSB 0 +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_0_STATICWEIGHT_31_0_MASK 0xffffffff +/* Register template: sdr::ctrlgrp::mpweight::mpweight_1 */ +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_SUMOFWEIGHTS_13_0_LSB 18 +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_SUMOFWEIGHTS_13_0_MASK 0xfffc0000 +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_LSB 0 +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_MASK 0x0003ffff +/* Register template: sdr::ctrlgrp::mpweight::mpweight_2 */ +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_2_SUMOFWEIGHTS_45_14_LSB 0 +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_2_SUMOFWEIGHTS_45_14_MASK 0xffffffff +/* Register template: sdr::ctrlgrp::mpweight::mpweight_3 */ +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_3_SUMOFWEIGHTS_63_46_LSB 0 +#define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_3_SUMOFWEIGHTS_63_46_MASK 0x0003ffff +/* Register template: sdr::ctrlgrp::mppacing::mppacing_0 */ +#define SDR_CTRLGRP_MPPACING_MPPACING_0_THRESHOLD1_31_0_LSB 0 +#define SDR_CTRLGRP_MPPACING_MPPACING_0_THRESHOLD1_31_0_MASK 0xffffffff +/* Register template: sdr::ctrlgrp::mppacing::mppacing_1 */ +#define SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD2_3_0_LSB 28 +#define SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD2_3_0_MASK 0xf0000000 +#define SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_LSB 0 +#define SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_MASK 0x0fffffff +/* Register template: sdr::ctrlgrp::mppacing::mppacing_2 */ +#define SDR_CTRLGRP_MPPACING_MPPACING_2_THRESHOLD2_35_4_LSB 0 +#define SDR_CTRLGRP_MPPACING_MPPACING_2_THRESHOLD2_35_4_MASK 0xffffffff +/* Register template: sdr::ctrlgrp::mppacing::mppacing_3 */ +#define SDR_CTRLGRP_MPPACING_MPPACING_3_THRESHOLD2_59_36_LSB 0 +#define SDR_CTRLGRP_MPPACING_MPPACING_3_THRESHOLD2_59_36_MASK 0x00ffffff +/* Register template: sdr::ctrlgrp::mpthresholdrst::mpthresholdrst_0 */ +#define \ +SDR_CTRLGRP_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0_LSB 0 +#define \ +SDR_CTRLGRP_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0_MASK \ +0xffffffff +/* Register template: sdr::ctrlgrp::mpthresholdrst::mpthresholdrst_1 */ +#define \ +SDR_CTRLGRP_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32_LSB 0 +#define \ +SDR_CTRLGRP_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32_MASK \ +0xffffffff +/* Register template: sdr::ctrlgrp::mpthresholdrst::mpthresholdrst_2 */ +#define \ +SDR_CTRLGRP_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64_LSB 0 +#define \ +SDR_CTRLGRP_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64_MASK \ +0x0000ffff +/* Register template: sdr::ctrlgrp::remappriority */ +#define SDR_CTRLGRP_REMAPPRIORITY_PRIORITYREMAP_LSB 0 +#define SDR_CTRLGRP_REMAPPRIORITY_PRIORITYREMAP_MASK 0x000000ff +/* Register template: sdr::ctrlgrp::phyctrl::phyctrl_0 */ +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_SAMPLECOUNT_19_0_LSB 12 +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_SAMPLECOUNT_19_0_WIDTH 20 +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_SAMPLECOUNT_19_0_SET(x) \ + (((x) << 12) & 0xfffff000) +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_ADDLATSEL_SET(x) \ + (((x) << 10) & 0x00000c00) +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_DQSLOGICDELAYEN_SET(x) \ + (((x) << 6) & 0x000000c0) +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_RESETDELAYEN_SET(x) \ + (((x) << 8) & 0x00000100) +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_LPDDRDIS_SET(x) \ + (((x) << 9) & 0x00000200) +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_DQSDELAYEN_SET(x) \ + (((x) << 4) & 0x00000030) +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_DQDELAYEN_SET(x) \ + (((x) << 2) & 0x0000000c) +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_ACDELAYEN_SET(x) \ + (((x) << 0) & 0x00000003) +/* Register template: sdr::ctrlgrp::phyctrl::phyctrl_1 */ +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_1_LONGIDLESAMPLECOUNT_19_0_WIDTH 20 +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_1_LONGIDLESAMPLECOUNT_19_0_SET(x) \ + (((x) << 12) & 0xfffff000) +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_1_SAMPLECOUNT_31_20_SET(x) \ + (((x) << 0) & 0x00000fff) +/* Register template: sdr::ctrlgrp::phyctrl::phyctrl_2 */ +#define SDR_CTRLGRP_PHYCTRL_PHYCTRL_2_LONGIDLESAMPLECOUNT_31_20_SET(x) \ + (((x) << 0) & 0x00000fff) +/* Register template: sdr::ctrlgrp::dramodt */ +#define SDR_CTRLGRP_DRAMODT_READ_LSB 4 +#define SDR_CTRLGRP_DRAMODT_READ_MASK 0x000000f0 +#define SDR_CTRLGRP_DRAMODT_WRITE_LSB 0 +#define SDR_CTRLGRP_DRAMODT_WRITE_MASK 0x0000000f +/* Field instance: sdr::ctrlgrp::dramsts */ +#define SDR_CTRLGRP_DRAMSTS_DBEERR_MASK 0x00000008 +#define SDR_CTRLGRP_DRAMSTS_SBEERR_MASK 0x00000004
-/* function declaration */ -inline unsigned long sdram_calculate_size(void) { return 0; } -inline unsigned sdram_mmr_init_full(unsigned int sdr_phy_reg) { return 0; } -inline int sdram_calibration_full(void) { return 0; } +/* SDRAM width macro for configuration with ECC */ +#define SDRAM_WIDTH_32BIT_WITH_ECC 40 +#define SDRAM_WIDTH_16BIT_WITH_ECC 24
-#endif /* __ARCH_SDRAM_H__ */ +#endif +#endif /* _SDRAM_H_ */ diff --git a/arch/arm/mach-socfpga/include/mach/sdram_config.h b/arch/arm/mach-socfpga/include/mach/sdram_config.h new file mode 100644 index 0000000..f6d51ca --- /dev/null +++ b/arch/arm/mach-socfpga/include/mach/sdram_config.h @@ -0,0 +1,100 @@ +/* + * Copyright Altera Corporation (C) 2012-2015 + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +/* This file is autogenerated from tools provided by Altera.*/ +#ifndef __SDRAM_CONFIG_H +#define __SDRAM_CONFIG_H + +#define CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMTYPE 2 +#define CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMBL 8 +#define CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ADDRORDER 0 +#define CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCEN 1 +#define CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCCORREN 1 +#define CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_REORDEREN 1 +#define CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_STARVELIMIT 10 +#define CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_DQSTRKEN 0 +#define CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_NODMPINS 0 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCWL 6 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_AL 0 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCL 7 +#ifdef CONFIG_SOCFPGA_ARRIA5 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRRD 4 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TFAW 19 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRFC 139 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TREFI 4160 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRCD 8 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRP 8 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWR 8 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWTR 4 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRTP 4 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRAS 19 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRC 26 +#else +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRRD 3 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TFAW 14 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRFC 104 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TREFI 3120 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRCD 6 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRP 6 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWR 6 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWTR 4 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRTP 3 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRAS 14 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRC 20 +#endif /* CONFIG_SOCFPGA_ARRIA5 */ +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TMRD 4 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TCCD 4 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_SELFRFSHEXIT 512 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_PWRDOWNEXIT 3 +#define CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_AUTOPDCYCLES 0 +#define CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_CLKDISABLECYCLES 8 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_COLBITS 10 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS 15 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_BANKBITS 3 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_CSBITS 1 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMIFWIDTH_IFWIDTH 40 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMDEVWIDTH_DEVWIDTH 8 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMINTR_INTREN 0 +#define CONFIG_HPS_SDR_CTRLCFG_LOWPWREQ_SELFRFSHMASK 3 +#define CONFIG_HPS_SDR_CTRLCFG_STATICCFG_MEMBL 2 +#define CONFIG_HPS_SDR_CTRLCFG_STATICCFG_USEECCASDATA 0 +#define CONFIG_HPS_SDR_CTRLCFG_CTRLWIDTH_CTRLWIDTH 2 +#define CONFIG_HPS_SDR_CTRLCFG_PORTCFG_AUTOPCHEN 0 +#define CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_SYNCMODE 0 +#define CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_INCSYNC 0 +#define CONFIG_HPS_SDR_CTRLCFG_MPPRIORITY_USERPRIORITY 0x3FFD1088 +#define CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_0_STATICWEIGHT_31_0 0x21084210 +#define CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_STATICWEIGHT_49_32 0x1EF84 +#define CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_SUMOFWEIGHT_13_0 0x2020 +#define CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_2_SUMOFWEIGHT_45_14 0x0 +#define CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_3_SUMOFWEIGHT_63_46 0xF800 +#define CONFIG_HPS_SDR_CTRLCFG_PHYCTRL_PHYCTRL_0 0x200 + +#define CONFIG_HPS_SDR_CTRLCFG_CPORTWIDTH_CPORTWIDTH 0x44555 +#define CONFIG_HPS_SDR_CTRLCFG_CPORTWMAP_CPORTWMAP 0x2C011000 +#define CONFIG_HPS_SDR_CTRLCFG_CPORTRMAP_CPORTRMAP 0xB00088 +#define CONFIG_HPS_SDR_CTRLCFG_RFIFOCMAP_RFIFOCMAP 0x760210 +#define CONFIG_HPS_SDR_CTRLCFG_WFIFOCMAP_WFIFOCMAP 0x980543 +#define CONFIG_HPS_SDR_CTRLCFG_CPORTRDWR_CPORTRDWR 0x5A56A +#define CONFIG_HPS_SDR_CTRLCFG_MPPACING_0_THRESHOLD1_31_0 0x20820820 +#define CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD1_59_32 0x8208208 +#define CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD2_3_0 0 +#define CONFIG_HPS_SDR_CTRLCFG_MPPACING_2_THRESHOLD2_35_4 0x41041041 +#define CONFIG_HPS_SDR_CTRLCFG_MPPACING_3_THRESHOLD2_59_36 0x410410 +#define CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0 \ +0x01010101 +#define CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32 \ +0x01010101 +#define CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64 \ +0x0101 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMODT_READ 0 +#define CONFIG_HPS_SDR_CTRLCFG_DRAMODT_WRITE 1 +#define CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST_READ_PORT_USED 0 +#define CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST_WRITE_PORT_USED 0 +#define CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST_COMMAND_PORT_USED 0 +#define CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST 0 + +#endif /*#ifndef__SDRAM_CONFIG_H*/ diff --git a/drivers/ddr/altera/sdram.c b/drivers/ddr/altera/sdram.c new file mode 100644 index 0000000..5d8fed3 --- /dev/null +++ b/drivers/ddr/altera/sdram.c @@ -0,0 +1,799 @@ +/* + * Copyright Altera Corporation (C) 2014-2015 + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <div64.h> +#include <watchdog.h> +#include <asm/arch/fpga_manager.h> +#include <asm/arch/sdram.h> +#include <asm/arch/sdram_config.h> +#include <asm/arch/system_manager.h> +#include <asm/io.h> + +/* define constant for 4G memory - used for SDRAM errata workaround */ +#define MEMSIZE_4G (4ULL * 1024ULL * 1024ULL * 1024ULL) + +DECLARE_GLOBAL_DATA_PTR; + +static struct socfpga_system_manager *sysmgr_regs = + (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS; +static struct socfpga_sdr_ctrl *sdr_ctrl = + (struct socfpga_sdr_ctrl *)(SOCFPGA_SDR_ADDRESS + SDR_CTRLGRP_ADDRESS); + +static int compute_errata_rows(unsigned long long memsize, int cs, int width, + int rows, int banks, int cols) +{ + unsigned long long newrows; + int inewrowslog2; + int bits; + + debug("workaround rows - memsize %lld\n", memsize); + debug("workaround rows - cs %d\n", cs); + debug("workaround rows - width %d\n", width); + debug("workaround rows - rows %d\n", rows); + debug("workaround rows - banks %d\n", banks); + debug("workaround rows - cols %d\n", cols); + + newrows = lldiv(memsize, (cs * (width / 8))); + debug("rows workaround - term1 %lld\n", newrows); + + newrows = lldiv(newrows, ((1 << banks) * (1 << cols))); + debug("rows workaround - term2 %lld\n", newrows); + + /* Compute the hamming weight - same as number of bits set. + * Need to see if result is ordinal power of 2 before + * attempting log2 of result. + */ + bits = hweight32(newrows); + + debug("rows workaround - bits %d\n", bits); + + if (bits != 1) { + printf("SDRAM workaround failed, bits set %d\n", bits); + return rows; + } + + if (newrows > UINT_MAX) { + printf("SDRAM workaround rangecheck failed, %lld\n", newrows); + return rows; + } + + inewrowslog2 = __ilog2((unsigned int)newrows); + + debug("rows workaround - ilog2 %d, %d\n", inewrowslog2, + (int)newrows); + + if (inewrowslog2 == -1) { + printf("SDRAM workaround failed, newrows %d\n", (int)newrows); + return rows; + } + + return inewrowslog2; +} + +/* SDRAM protection rules vary from 0-19, a total of 20 rules. */ +static void sdram_set_rule(struct sdram_prot_rule *prule) +{ + uint32_t lo_addr_bits; + uint32_t hi_addr_bits; + int ruleno = prule->rule; + + /* Select the rule */ + writel(ruleno, &sdr_ctrl->prot_rule_rdwr); + + /* Obtain the address bits */ + lo_addr_bits = (uint32_t)(((prule->sdram_start) >> 20ULL) & 0xFFF); + hi_addr_bits = (uint32_t)((((prule->sdram_end-1) >> 20ULL)) & 0xFFF); + + debug("sdram set rule start %x, %lld\n", lo_addr_bits, + prule->sdram_start); + debug("sdram set rule end %x, %lld\n", hi_addr_bits, + prule->sdram_end); + + /* Set rule addresses */ + writel(lo_addr_bits | (hi_addr_bits << 12), &sdr_ctrl->prot_rule_addr); + + /* Set rule protection ids */ + writel(prule->lo_prot_id | (prule->hi_prot_id << 12), + &sdr_ctrl->prot_rule_id); + + /* Set the rule data */ + writel(prule->security | (prule->valid << 2) | + (prule->portmask << 3) | (prule->result << 13), + &sdr_ctrl->prot_rule_data); + + /* write the rule */ + writel(ruleno | (1L << 5), &sdr_ctrl->prot_rule_rdwr); + + /* Set rule number to 0 by default */ + writel(0, &sdr_ctrl->prot_rule_rdwr); +} + +static void sdram_get_rule(struct sdram_prot_rule *prule) +{ + uint32_t addr; + uint32_t id; + uint32_t data; + int ruleno = prule->rule; + + /* Read the rule */ + writel(ruleno, &sdr_ctrl->prot_rule_rdwr); + writel(ruleno | (1L << 6), &sdr_ctrl->prot_rule_rdwr); + + /* Get the addresses */ + addr = readl(&sdr_ctrl->prot_rule_addr); + prule->sdram_start = (addr & 0xFFF) << 20; + prule->sdram_end = ((addr >> 12) & 0xFFF) << 20; + + /* Get the configured protection IDs */ + id = readl(&sdr_ctrl->prot_rule_id); + prule->lo_prot_id = id & 0xFFF; + prule->hi_prot_id = (id >> 12) & 0xFFF; + + /* Get protection data */ + data = readl(&sdr_ctrl->prot_rule_data); + + prule->security = data & 0x3; + prule->valid = (data >> 2) & 0x1; + prule->portmask = (data >> 3) & 0x3FF; + prule->result = (data >> 13) & 0x1; +} + +static void sdram_set_protection_config(uint64_t sdram_start, uint64_t sdram_end) +{ + struct sdram_prot_rule rule; + int rules; + + /* Start with accepting all SDRAM transaction */ + writel(0x0, &sdr_ctrl->protport_default); + + /* Clear all protection rules for warm boot case */ + memset(&rule, 0, sizeof(struct sdram_prot_rule)); + + for (rules = 0; rules < 20; rules++) { + rule.rule = rules; + sdram_set_rule(&rule); + } + + /* new rule: accept SDRAM */ + rule.sdram_start = sdram_start; + rule.sdram_end = sdram_end; + rule.lo_prot_id = 0x0; + rule.hi_prot_id = 0xFFF; + rule.portmask = 0x3FF; + rule.security = 0x3; + rule.result = 0; + rule.valid = 1; + rule.rule = 0; + + /* set new rule */ + sdram_set_rule(&rule); + + /* default rule: reject everything */ + writel(0x3ff, &sdr_ctrl->protport_default); +} + +static void sdram_dump_protection_config(void) +{ + struct sdram_prot_rule rule; + int rules; + + debug("SDRAM Prot rule, default %x\n", + readl(&sdr_ctrl->protport_default)); + + for (rules = 0; rules < 20; rules++) { + sdram_get_rule(&rule); + debug("Rule %d, rules ...\n", rules); + debug(" sdram start %llx\n", rule.sdram_start); + debug(" sdram end %llx\n", rule.sdram_end); + debug(" low prot id %d, hi prot id %d\n", + rule.lo_prot_id, + rule.hi_prot_id); + debug(" portmask %x\n", rule.portmask); + debug(" security %d\n", rule.security); + debug(" result %d\n", rule.result); + debug(" valid %d\n", rule.valid); + } +} + +/* Function to write to register and verify the write */ +static unsigned sdram_write_verify(unsigned int *addr, unsigned reg_value) +{ +#ifndef SDRAM_MMR_SKIP_VERIFY + unsigned reg_value1; +#endif + debug(" Write - Address "); + debug("0x%08x Data 0x%08x\n", (u32)addr, reg_value); + /* Write to register */ + writel(reg_value, addr); +#ifndef SDRAM_MMR_SKIP_VERIFY + debug(" Read and verify..."); + /* Read back the wrote value */ + reg_value1 = readl(addr); + /* Indicate failure if value not matched */ + if (reg_value1 != reg_value) { + debug("FAIL - Address 0x%08x Expected 0x%08x Data 0x%08x\n", + (u32)addr, reg_value, reg_value1); + return 1; + } + debug("correct!\n"); +#endif /* SDRAM_MMR_SKIP_VERIFY */ + return 0; +} + +static void set_sdr_ctrlcfg(void) +{ + int addrorder; + + debug("\nConfiguring CTRLCFG\n"); + clrsetbits_le32(&sdr_ctrl->ctrl_cfg, SDR_CTRLGRP_CTRLCFG_MEMTYPE_MASK, + CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMTYPE << + SDR_CTRLGRP_CTRLCFG_MEMTYPE_LSB); + clrsetbits_le32(&sdr_ctrl->ctrl_cfg, SDR_CTRLGRP_CTRLCFG_MEMBL_MASK, + CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMBL << + SDR_CTRLGRP_CTRLCFG_MEMBL_LSB); + + + /* SDRAM Failure When Accessing Non-Existent Memory + * Set the addrorder field of the SDRAM control register + * based on the CSBITs setting. + */ + switch (CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_CSBITS) { + case 1: + addrorder = 0; /* chip, row, bank, column */ + if (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ADDRORDER != 0) + debug("INFO: Changing address order to 0 (chip, row, \ + bank, column)\n"); + break; + case 2: + addrorder = 2; /* row, chip, bank, column */ + if (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ADDRORDER != 2) + debug("INFO: Changing address order to 2 (row, chip, \ + bank, column)\n"); + break; + default: + addrorder = CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ADDRORDER; + break; + } + + clrsetbits_le32(&sdr_ctrl->ctrl_cfg, SDR_CTRLGRP_CTRLCFG_ADDRORDER_MASK, + addrorder << SDR_CTRLGRP_CTRLCFG_ADDRORDER_LSB); + + clrsetbits_le32(&sdr_ctrl->ctrl_cfg, SDR_CTRLGRP_CTRLCFG_ECCEN_MASK, + CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCEN << + SDR_CTRLGRP_CTRLCFG_ECCEN_LSB); + + clrsetbits_le32(&sdr_ctrl->ctrl_cfg, SDR_CTRLGRP_CTRLCFG_ECCCORREN_MASK, + CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCCORREN << + SDR_CTRLGRP_CTRLCFG_ECCCORREN_LSB); + + clrsetbits_le32(&sdr_ctrl->ctrl_cfg, SDR_CTRLGRP_CTRLCFG_REORDEREN_MASK, + CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_REORDEREN << + SDR_CTRLGRP_CTRLCFG_REORDEREN_LSB); + + clrsetbits_le32(&sdr_ctrl->ctrl_cfg, SDR_CTRLGRP_CTRLCFG_STARVELIMIT_MASK, + CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_STARVELIMIT << + SDR_CTRLGRP_CTRLCFG_STARVELIMIT_LSB); + + clrsetbits_le32(&sdr_ctrl->ctrl_cfg, SDR_CTRLGRP_CTRLCFG_DQSTRKEN_MASK, + CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_DQSTRKEN << + SDR_CTRLGRP_CTRLCFG_DQSTRKEN_LSB); + + clrsetbits_le32(&sdr_ctrl->ctrl_cfg, SDR_CTRLGRP_CTRLCFG_NODMPINS_MASK, + CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_NODMPINS << + SDR_CTRLGRP_CTRLCFG_NODMPINS_LSB); +} + +static void set_sdr_dram_timing1(void) +{ + debug("Configuring DRAMTIMING1\n"); + clrsetbits_le32(&sdr_ctrl->dram_timing1, SDR_CTRLGRP_DRAMTIMING1_TCWL_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCWL << + SDR_CTRLGRP_DRAMTIMING1_TCWL_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing1, SDR_CTRLGRP_DRAMTIMING1_TAL_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_AL << + SDR_CTRLGRP_DRAMTIMING1_TAL_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing1, SDR_CTRLGRP_DRAMTIMING1_TCL_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCL << + SDR_CTRLGRP_DRAMTIMING1_TCL_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing1, SDR_CTRLGRP_DRAMTIMING1_TRRD_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRRD << + SDR_CTRLGRP_DRAMTIMING1_TRRD_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing1, SDR_CTRLGRP_DRAMTIMING1_TFAW_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TFAW << + SDR_CTRLGRP_DRAMTIMING1_TFAW_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing1, SDR_CTRLGRP_DRAMTIMING1_TRFC_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRFC << + SDR_CTRLGRP_DRAMTIMING1_TRFC_LSB); +} + +static void set_sdr_dram_timing2(void) +{ + debug("Configuring DRAMTIMING2\n"); + clrsetbits_le32(&sdr_ctrl->dram_timing2, SDR_CTRLGRP_DRAMTIMING2_TREFI_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TREFI << + SDR_CTRLGRP_DRAMTIMING2_TREFI_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing2, SDR_CTRLGRP_DRAMTIMING2_TRCD_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRCD << + SDR_CTRLGRP_DRAMTIMING2_TRCD_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing2, SDR_CTRLGRP_DRAMTIMING2_TRP_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRP << + SDR_CTRLGRP_DRAMTIMING2_TRP_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing2, SDR_CTRLGRP_DRAMTIMING2_TWR_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWR << + SDR_CTRLGRP_DRAMTIMING2_TWR_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing2, SDR_CTRLGRP_DRAMTIMING2_TWTR_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWTR << + SDR_CTRLGRP_DRAMTIMING2_TWTR_LSB); +} + +static void set_sdr_dram_timing3(void) +{ + debug("Configuring DRAMTIMING3\n"); + clrsetbits_le32(&sdr_ctrl->dram_timing3, SDR_CTRLGRP_DRAMTIMING3_TRTP_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRTP << + SDR_CTRLGRP_DRAMTIMING3_TRTP_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing3, SDR_CTRLGRP_DRAMTIMING3_TRAS_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRAS << + SDR_CTRLGRP_DRAMTIMING3_TRAS_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing3, SDR_CTRLGRP_DRAMTIMING3_TRC_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRC << + SDR_CTRLGRP_DRAMTIMING3_TRC_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing3, SDR_CTRLGRP_DRAMTIMING3_TMRD_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TMRD << + SDR_CTRLGRP_DRAMTIMING3_TMRD_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing3, SDR_CTRLGRP_DRAMTIMING3_TCCD_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TCCD << + SDR_CTRLGRP_DRAMTIMING3_TCCD_LSB); +} + +static void set_sdr_dram_timing4(void) +{ + debug("Configuring DRAMTIMING4\n"); + clrsetbits_le32(&sdr_ctrl->dram_timing4, + SDR_CTRLGRP_DRAMTIMING4_SELFRFSHEXIT_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_SELFRFSHEXIT << + SDR_CTRLGRP_DRAMTIMING4_SELFRFSHEXIT_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_timing4, + SDR_CTRLGRP_DRAMTIMING4_PWRDOWNEXIT_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_PWRDOWNEXIT << + SDR_CTRLGRP_DRAMTIMING4_PWRDOWNEXIT_LSB); +} + +static void set_sdr_dram_lowpwr_timing(void) +{ + debug("Configuring LOWPWRTIMING\n"); + clrsetbits_le32(&sdr_ctrl->lowpwr_timing, + SDR_CTRLGRP_LOWPWRTIMING_AUTOPDCYCLES_MASK, + CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_AUTOPDCYCLES << + SDR_CTRLGRP_LOWPWRTIMING_AUTOPDCYCLES_LSB); + + clrsetbits_le32(&sdr_ctrl->lowpwr_timing, + SDR_CTRLGRP_LOWPWRTIMING_CLKDISABLECYCLES_MASK, + CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_CLKDISABLECYCLES << + SDR_CTRLGRP_LOWPWRTIMING_CLKDISABLECYCLES_LSB); +} + +static void set_sdr_addr_rw(void) +{ + int cs = CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_CSBITS; + int width = 8; + int rows = CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS; + int banks = CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_BANKBITS; + int cols = CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_COLBITS; + unsigned long long workaround_memsize = MEMSIZE_4G; + + debug("Configuring DRAMADDRW\n"); + clrsetbits_le32(&sdr_ctrl->dram_addrw, SDR_CTRLGRP_DRAMADDRW_COLBITS_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_COLBITS << + SDR_CTRLGRP_DRAMADDRW_COLBITS_LSB); + /* + * SDRAM Failure When Accessing Non-Existent Memory + * Update Preloader to artificially increase the number of rows so + * that the memory thinks it has 4GB of RAM. + */ + rows = compute_errata_rows(workaround_memsize, cs, width, rows, banks, + cols); + + clrsetbits_le32(&sdr_ctrl->dram_addrw, SDR_CTRLGRP_DRAMADDRW_ROWBITS_MASK, + rows << SDR_CTRLGRP_DRAMADDRW_ROWBITS_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_addrw, SDR_CTRLGRP_DRAMADDRW_BANKBITS_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_BANKBITS << + SDR_CTRLGRP_DRAMADDRW_BANKBITS_LSB); + /* SDRAM Failure When Accessing Non-Existent Memory + * Set SDR_CTRLGRP_DRAMADDRW_CSBITS_LSB to + * log2(number of chip select bits). Since there's only + * 1 or 2 chip selects, log2(1) => 0, and log2(2) => 1, + * which is the same as "chip selects" - 1. + */ + clrsetbits_le32(&sdr_ctrl->dram_addrw, SDR_CTRLGRP_DRAMADDRW_CSBITS_MASK, + (CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_CSBITS - 1) << + SDR_CTRLGRP_DRAMADDRW_CSBITS_LSB); +} + +static void set_sdr_static_cfg(void) +{ + debug("Configuring STATICCFG\n"); + clrsetbits_le32(&sdr_ctrl->static_cfg, SDR_CTRLGRP_STATICCFG_MEMBL_MASK, + CONFIG_HPS_SDR_CTRLCFG_STATICCFG_MEMBL << + SDR_CTRLGRP_STATICCFG_MEMBL_LSB); + + clrsetbits_le32(&sdr_ctrl->static_cfg, + SDR_CTRLGRP_STATICCFG_USEECCASDATA_MASK, + CONFIG_HPS_SDR_CTRLCFG_STATICCFG_USEECCASDATA << + SDR_CTRLGRP_STATICCFG_USEECCASDATA_LSB); +} + +static void set_sdr_fifo_cfg(void) +{ + debug("Configuring FIFOCFG\n"); + clrsetbits_le32(&sdr_ctrl->fifo_cfg, SDR_CTRLGRP_FIFOCFG_SYNCMODE_MASK, + CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_SYNCMODE << + SDR_CTRLGRP_FIFOCFG_SYNCMODE_LSB); + + clrsetbits_le32(&sdr_ctrl->fifo_cfg, SDR_CTRLGRP_FIFOCFG_INCSYNC_MASK, + CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_INCSYNC << + SDR_CTRLGRP_FIFOCFG_INCSYNC_LSB); +} + +static void set_sdr_mp_weight(void) +{ + debug("Configuring MPWEIGHT_MPWEIGHT_0\n"); + clrsetbits_le32(&sdr_ctrl->mp_weight0, + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_0_STATICWEIGHT_31_0_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_0_STATICWEIGHT_31_0 << + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_0_STATICWEIGHT_31_0_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_weight1, + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_STATICWEIGHT_49_32 << + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_weight1, + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_SUMOFWEIGHTS_13_0_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_SUMOFWEIGHT_13_0 << + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_SUMOFWEIGHTS_13_0_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_weight2, + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_2_SUMOFWEIGHTS_45_14_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_2_SUMOFWEIGHT_45_14 << + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_2_SUMOFWEIGHTS_45_14_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_weight3, + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_3_SUMOFWEIGHTS_63_46_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_3_SUMOFWEIGHT_63_46 << + SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_3_SUMOFWEIGHTS_63_46_LSB); +} + +static void set_sdr_mp_pacing(void) +{ + debug("Configuring MPPACING_MPPACING_0\n"); + clrsetbits_le32(&sdr_ctrl->mp_pacing0, + SDR_CTRLGRP_MPPACING_MPPACING_0_THRESHOLD1_31_0_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPPACING_0_THRESHOLD1_31_0 << + SDR_CTRLGRP_MPPACING_MPPACING_0_THRESHOLD1_31_0_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_pacing1, + SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD1_59_32 << + SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_pacing1, + SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD2_3_0_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD2_3_0 << + SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD2_3_0_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_pacing2, + SDR_CTRLGRP_MPPACING_MPPACING_2_THRESHOLD2_35_4_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPPACING_2_THRESHOLD2_35_4 << + SDR_CTRLGRP_MPPACING_MPPACING_2_THRESHOLD2_35_4_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_pacing3, + SDR_CTRLGRP_MPPACING_MPPACING_3_THRESHOLD2_59_36_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPPACING_3_THRESHOLD2_59_36 << + SDR_CTRLGRP_MPPACING_MPPACING_3_THRESHOLD2_59_36_LSB); +} + +static void set_sdr_mp_threshold(void) +{ + debug("Configuring MPTHRESHOLDRST_MPTHRESHOLDRST_0\n"); + clrsetbits_le32(&sdr_ctrl->mp_threshold0, + SDR_CTRLGRP_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0 << + SDR_CTRLGRP_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_threshold1, + SDR_CTRLGRP_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32_MASK, + SDR_CTRLGRP_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32_MASK << + SDR_CTRLGRP_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32_LSB); + + clrsetbits_le32(&sdr_ctrl->mp_threshold2, + SDR_CTRLGRP_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64 << + SDR_CTRLGRP_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64_LSB); +} + + +/* Function to initialize SDRAM MMR */ +unsigned sdram_mmr_init_full(unsigned int sdr_phy_reg) +{ + unsigned long reg_value; + unsigned long status = 0; + +#if defined(CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_CSBITS) && \ +defined(CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS) && \ +defined(CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_BANKBITS) && \ +defined(CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_COLBITS) && \ +defined(CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS) + + writel(CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS, + &sysmgr_regs->iswgrp_handoff[4]); +#endif + set_sdr_ctrlcfg(); + set_sdr_dram_timing1(); + set_sdr_dram_timing2(); + set_sdr_dram_timing3(); + set_sdr_dram_timing4(); + set_sdr_dram_lowpwr_timing(); + set_sdr_addr_rw(); + + debug("Configuring DRAMIFWIDTH\n"); + clrsetbits_le32(&sdr_ctrl->dram_if_width, + SDR_CTRLGRP_DRAMIFWIDTH_IFWIDTH_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMIFWIDTH_IFWIDTH << + SDR_CTRLGRP_DRAMIFWIDTH_IFWIDTH_LSB); + + debug("Configuring DRAMDEVWIDTH\n"); + clrsetbits_le32(&sdr_ctrl->dram_dev_width, + SDR_CTRLGRP_DRAMDEVWIDTH_DEVWIDTH_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMDEVWIDTH_DEVWIDTH << + SDR_CTRLGRP_DRAMDEVWIDTH_DEVWIDTH_LSB); + + debug("Configuring LOWPWREQ\n"); + clrsetbits_le32(&sdr_ctrl->lowpwr_eq, + SDR_CTRLGRP_LOWPWREQ_SELFRFSHMASK_MASK, + CONFIG_HPS_SDR_CTRLCFG_LOWPWREQ_SELFRFSHMASK << + SDR_CTRLGRP_LOWPWREQ_SELFRFSHMASK_LSB); + + debug("Configuring DRAMINTR\n"); + clrsetbits_le32(&sdr_ctrl->dram_intr, SDR_CTRLGRP_DRAMINTR_INTREN_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMINTR_INTREN << + SDR_CTRLGRP_DRAMINTR_INTREN_LSB); + + set_sdr_static_cfg(); + + debug("Configuring CTRLWIDTH\n"); + clrsetbits_le32(&sdr_ctrl->ctrl_width, + SDR_CTRLGRP_CTRLWIDTH_CTRLWIDTH_MASK, + CONFIG_HPS_SDR_CTRLCFG_CTRLWIDTH_CTRLWIDTH << + SDR_CTRLGRP_CTRLWIDTH_CTRLWIDTH_LSB); + + debug("Configuring PORTCFG\n"); + clrsetbits_le32(&sdr_ctrl->port_cfg, SDR_CTRLGRP_PORTCFG_AUTOPCHEN_MASK, + CONFIG_HPS_SDR_CTRLCFG_PORTCFG_AUTOPCHEN << + SDR_CTRLGRP_PORTCFG_AUTOPCHEN_LSB); + + set_sdr_fifo_cfg(); + + debug("Configuring MPPRIORITY\n"); + clrsetbits_le32(&sdr_ctrl->mp_priority, + SDR_CTRLGRP_MPPRIORITY_USERPRIORITY_MASK, + CONFIG_HPS_SDR_CTRLCFG_MPPRIORITY_USERPRIORITY << + SDR_CTRLGRP_MPPRIORITY_USERPRIORITY_LSB); + + set_sdr_mp_weight(); + set_sdr_mp_pacing(); + set_sdr_mp_threshold(); + + debug("Configuring PHYCTRL_PHYCTRL_0\n"); + setbits_le32(&sdr_ctrl->phy_ctrl0, + CONFIG_HPS_SDR_CTRLCFG_PHYCTRL_PHYCTRL_0); + + debug("Configuring CPORTWIDTH\n"); + clrsetbits_le32(&sdr_ctrl->cport_width, + SDR_CTRLGRP_CPORTWIDTH_CMDPORTWIDTH_MASK, + CONFIG_HPS_SDR_CTRLCFG_CPORTWIDTH_CPORTWIDTH << + SDR_CTRLGRP_CPORTWIDTH_CMDPORTWIDTH_LSB); + debug(" Write - Address "); + debug("0x%08x Data 0x%08x\n", + (unsigned)(&sdr_ctrl->cport_width), + (unsigned)reg_value); + reg_value = readl(&sdr_ctrl->cport_width); + debug(" Read value without verify 0x%08x\n", (unsigned)reg_value); + + debug("Configuring CPORTWMAP\n"); + clrsetbits_le32(&sdr_ctrl->cport_wmap, + SDR_CTRLGRP_CPORTWMAP_CPORTWFIFOMAP_MASK, + CONFIG_HPS_SDR_CTRLCFG_CPORTWMAP_CPORTWMAP << + SDR_CTRLGRP_CPORTWMAP_CPORTWFIFOMAP_LSB); + debug(" Write - Address "); + debug("0x%08x Data 0x%08x\n", + (unsigned)(&sdr_ctrl->cport_wmap), + (unsigned)reg_value); + reg_value = readl(&sdr_ctrl->cport_wmap); + debug(" Read value without verify 0x%08x\n", (unsigned)reg_value); + + debug("Configuring CPORTRMAP\n"); + clrsetbits_le32(&sdr_ctrl->cport_rmap, + SDR_CTRLGRP_CPORTRMAP_CPORTRFIFOMAP_MASK, + CONFIG_HPS_SDR_CTRLCFG_CPORTRMAP_CPORTRMAP << + SDR_CTRLGRP_CPORTRMAP_CPORTRFIFOMAP_LSB); + debug(" Write - Address "); + debug("0x%08x Data 0x%08x\n", + (unsigned)(&sdr_ctrl->cport_rmap), + (unsigned)reg_value); + reg_value = readl(&sdr_ctrl->cport_rmap); + debug(" Read value without verify 0x%08x\n", (unsigned)reg_value); + + debug("Configuring RFIFOCMAP\n"); + clrsetbits_le32(&sdr_ctrl->rfifo_cmap, + SDR_CTRLGRP_RFIFOCMAP_RFIFOCPORTMAP_MASK, + CONFIG_HPS_SDR_CTRLCFG_RFIFOCMAP_RFIFOCMAP << + SDR_CTRLGRP_RFIFOCMAP_RFIFOCPORTMAP_LSB); + debug(" Write - Address "); + debug("0x%08x Data 0x%08x\n", + (unsigned)(&sdr_ctrl->rfifo_cmap), + (unsigned)reg_value); + reg_value = readl(&sdr_ctrl->rfifo_cmap); + debug(" Read value without verify 0x%08x\n", (unsigned)reg_value); + + debug("Configuring WFIFOCMAP\n"); + reg_value = readl(&sdr_ctrl->wfifo_cmap); + clrsetbits_le32(&sdr_ctrl->wfifo_cmap, + SDR_CTRLGRP_WFIFOCMAP_WFIFOCPORTMAP_MASK, + CONFIG_HPS_SDR_CTRLCFG_WFIFOCMAP_WFIFOCMAP << + SDR_CTRLGRP_WFIFOCMAP_WFIFOCPORTMAP_LSB); + debug(" Write - Address "); + debug("0x%08x Data 0x%08x\n", + (unsigned)(&sdr_ctrl->wfifo_cmap), + (unsigned)reg_value); + reg_value = readl(&sdr_ctrl->wfifo_cmap); + debug(" Read value without verify 0x%08x\n", (unsigned)reg_value); + + debug("Configuring CPORTRDWR\n"); + clrsetbits_le32(&sdr_ctrl->cport_rdwr, + SDR_CTRLGRP_CPORTRDWR_CPORTRDWR_MASK, + CONFIG_HPS_SDR_CTRLCFG_CPORTRDWR_CPORTRDWR << + SDR_CTRLGRP_CPORTRDWR_CPORTRDWR_LSB); + debug(" Write - Address "); + debug("0x%08x Data 0x%08x\n", + (unsigned)(&sdr_ctrl->cport_rdwr), + (unsigned)reg_value); + reg_value = readl(&sdr_ctrl->cport_rdwr); + debug(" Read value without verify 0x%08x\n", (unsigned)reg_value); + + debug("Configuring DRAMODT\n"); + clrsetbits_le32(&sdr_ctrl->dram_odt, + SDR_CTRLGRP_DRAMODT_READ_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMODT_READ << + SDR_CTRLGRP_DRAMODT_READ_LSB); + + clrsetbits_le32(&sdr_ctrl->dram_odt, + SDR_CTRLGRP_DRAMODT_WRITE_MASK, + CONFIG_HPS_SDR_CTRLCFG_DRAMODT_WRITE << + SDR_CTRLGRP_DRAMODT_WRITE_LSB); + + /* saving this value to SYSMGR.ISWGRP.HANDOFF.FPGA2SDR */ + writel(CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST, + &sysmgr_regs->iswgrp_handoff[3]); + + /* only enable if the FPGA is programmed */ + if (fpgamgr_test_fpga_ready()) { + if (sdram_write_verify(&sdr_ctrl->fpgaport_rst, + CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST) == 1) { + status = 1; + return 1; + } + } + + /* Restore the SDR PHY Register if valid */ + if (sdr_phy_reg != 0xffffffff) + writel(sdr_phy_reg, &sdr_ctrl->phy_ctrl0); + +/***** Final step - apply configuration changes *****/ + debug("Configuring STATICCFG_\n"); + clrsetbits_le32(&sdr_ctrl->static_cfg, SDR_CTRLGRP_STATICCFG_APPLYCFG_MASK, + 1 << SDR_CTRLGRP_STATICCFG_APPLYCFG_LSB); + debug(" Write - Address "); + debug("0x%08x Data 0x%08x\n", + (unsigned)(&sdr_ctrl->static_cfg), + (unsigned)reg_value); + reg_value = readl(&sdr_ctrl->static_cfg); + debug(" Read value without verify 0x%08x\n", (unsigned)reg_value); + + sdram_set_protection_config(0, sdram_calculate_size()); + + sdram_dump_protection_config(); + + return status; +} + +/* + * To calculate SDRAM device size based on SDRAM controller parameters. + * Size is specified in bytes. + * + * NOTE: + * This function is compiled and linked into the preloader and + * Uboot (there may be others). So if this function changes, the Preloader + * and UBoot must be updated simultaneously. + */ +unsigned long sdram_calculate_size(void) +{ + unsigned long temp; + unsigned long row, bank, col, cs, width; + + temp = readl(&sdr_ctrl->dram_addrw); + col = (temp & SDR_CTRLGRP_DRAMADDRW_COLBITS_MASK) >> + SDR_CTRLGRP_DRAMADDRW_COLBITS_LSB; + + /* SDRAM Failure When Accessing Non-Existent Memory + * Use ROWBITS from Quartus/QSys to calculate SDRAM size + * since the FB specifies we modify ROWBITs to work around SDRAM + * controller issue. + * + * If the stored handoff value for rows is 0, it probably means + * the preloader is older than UBoot. Use the + * #define from the SOCEDS Tools per Crucible review + * uboot-socfpga-204. Note that this is not a supported + * configuration and is not tested. The customer + * should be using preloader and uboot built from the + * same tag. + */ + row = readl(&sysmgr_regs->iswgrp_handoff[4]); + if (row == 0) + row = CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS; + /* If the stored handoff value for rows is greater than + * the field width in the sdr.dramaddrw register then + * something is very wrong. Revert to using the the #define + * value handed off by the SOCEDS tool chain instead of + * using a broken value. + */ + if (row > 31) + row = CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS; + + bank = (temp & SDR_CTRLGRP_DRAMADDRW_BANKBITS_MASK) >> + SDR_CTRLGRP_DRAMADDRW_BANKBITS_LSB; + + /* SDRAM Failure When Accessing Non-Existent Memory + * Use CSBITs from Quartus/QSys to calculate SDRAM size + * since the FB specifies we modify CSBITs to work around SDRAM + * controller issue. + */ + cs = (temp & SDR_CTRLGRP_DRAMADDRW_CSBITS_MASK) >> + SDR_CTRLGRP_DRAMADDRW_CSBITS_LSB; + cs += 1; + + cs = CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_CSBITS; + + width = readl(&sdr_ctrl->dram_if_width); + /* ECC would not be calculated as its not addressible */ + if (width == SDRAM_WIDTH_32BIT_WITH_ECC) + width = 32; + if (width == SDRAM_WIDTH_16BIT_WITH_ECC) + width = 16; + + /* calculate the SDRAM size base on this info */ + temp = 1 << (row + bank + col); + temp = temp * cs * (width / 8); + + debug("sdram_calculate_memory returns %ld\n", temp); + + return temp; +} diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl index b1047b5..4879d0a 100644 --- a/scripts/Makefile.spl +++ b/scripts/Makefile.spl @@ -62,6 +62,7 @@ libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/ libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/ libs-$(CONFIG_SYS_MVEBU_DDR_A38X) += drivers/ddr/marvell/a38x/ libs-$(CONFIG_SYS_MVEBU_DDR_AXP) += drivers/ddr/marvell/axp/ +libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/ libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/ libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/