]> git.sur5r.net Git - u-boot/commitdiff
driver/ddr/altera: Add DDR driver for Altera's SDRAM controller
authorDinh Nguyen <dinguyen@opensource.altera.com>
Wed, 3 Jun 2015 03:52:48 +0000 (22:52 -0500)
committerMarek Vasut <marex@denx.de>
Sat, 8 Aug 2015 12:14:05 +0000 (14:14 +0200)
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
arch/arm/mach-socfpga/include/mach/sdram.h
arch/arm/mach-socfpga/include/mach/sdram_config.h [new file with mode: 0644]
drivers/ddr/altera/sdram.c [new file with mode: 0644]
scripts/Makefile.spl

index bb0ba9f8a22473e297b77ef8a4ec1ff8b3bc0fff..469c7704875e3b91378d36f9ff83267e7aa20870 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -649,6 +649,7 @@ 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/
index 4f6489dff67b9e1c38e256311b27ba0158a0b53e..b4c1a2ff69944f0cb2b8651a83290d7f2822ad66 100644 (file)
 /*
- * 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 (file)
index 0000000..f6d51ca
--- /dev/null
@@ -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 (file)
index 0000000..5d8fed3
--- /dev/null
@@ -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;
+}
index b1047b5d09ffc74c67c3c4df44627383e3f55b6f..4879d0a9195712a842f883d83075fc9c0e0ebc05 100644 (file)
@@ -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/