* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <errno.h>
#include <div64.h>
#include <watchdog.h>
#include <asm/arch/fpga_manager.h>
#include <asm/arch/system_manager.h>
#include <asm/io.h>
-/*
- * FIXME: This path is temporary until the SDRAM driver gets
- * a proper thorough cleanup.
- */
-#include "../../../board/altera/socfpga/qts/sdram_config.h"
-
DECLARE_GLOBAL_DATA_PTR;
struct sdram_prot_rule {
static struct socfpga_sdr_ctrl *sdr_ctrl =
(struct socfpga_sdr_ctrl *)SDR_CTRLGRP_ADDRESS;
-static struct socfpga_sdram_config {
- u32 ctrl_cfg;
- u32 dram_timing1;
- u32 dram_timing2;
- u32 dram_timing3;
- u32 dram_timing4;
- u32 lowpwr_timing;
- u32 dram_odt;
- u32 dram_addrw;
- u32 dram_if_width;
- u32 dram_dev_width;
- u32 dram_intr;
- u32 lowpwr_eq;
- u32 static_cfg;
- u32 ctrl_width;
- u32 cport_width;
- u32 cport_wmap;
- u32 cport_rmap;
- u32 rfifo_cmap;
- u32 wfifo_cmap;
- u32 cport_rdwr;
- u32 port_cfg;
- u32 fpgaport_rst;
- u32 fifo_cfg;
- u32 mp_priority;
- u32 mp_weight0;
- u32 mp_weight1;
- u32 mp_weight2;
- u32 mp_weight3;
- u32 mp_pacing0;
- u32 mp_pacing1;
- u32 mp_pacing2;
- u32 mp_pacing3;
- u32 mp_threshold0;
- u32 mp_threshold1;
- u32 mp_threshold2;
- u32 phy_ctrl0;
-} sdram_config = {
- .ctrl_cfg =
- (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMTYPE <<
- SDR_CTRLGRP_CTRLCFG_MEMTYPE_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_MEMBL <<
- SDR_CTRLGRP_CTRLCFG_MEMBL_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ADDRORDER <<
- SDR_CTRLGRP_CTRLCFG_ADDRORDER_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCEN <<
- SDR_CTRLGRP_CTRLCFG_ECCEN_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCCORREN <<
- SDR_CTRLGRP_CTRLCFG_ECCCORREN_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_REORDEREN <<
- SDR_CTRLGRP_CTRLCFG_REORDEREN_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_STARVELIMIT <<
- SDR_CTRLGRP_CTRLCFG_STARVELIMIT_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_DQSTRKEN <<
- SDR_CTRLGRP_CTRLCFG_DQSTRKEN_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_NODMPINS <<
- SDR_CTRLGRP_CTRLCFG_NODMPINS_LSB),
- .dram_timing1 =
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCWL <<
- SDR_CTRLGRP_DRAMTIMING1_TCWL_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_AL <<
- SDR_CTRLGRP_DRAMTIMING1_TAL_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TCL <<
- SDR_CTRLGRP_DRAMTIMING1_TCL_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRRD <<
- SDR_CTRLGRP_DRAMTIMING1_TRRD_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TFAW <<
- SDR_CTRLGRP_DRAMTIMING1_TFAW_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING1_TRFC <<
- SDR_CTRLGRP_DRAMTIMING1_TRFC_LSB),
- .dram_timing2 =
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TREFI <<
- SDR_CTRLGRP_DRAMTIMING2_TREFI_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRCD <<
- SDR_CTRLGRP_DRAMTIMING2_TRCD_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TRP <<
- SDR_CTRLGRP_DRAMTIMING2_TRP_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWR <<
- SDR_CTRLGRP_DRAMTIMING2_TWR_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING2_IF_TWTR <<
- SDR_CTRLGRP_DRAMTIMING2_TWTR_LSB),
- .dram_timing3 =
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRTP <<
- SDR_CTRLGRP_DRAMTIMING3_TRTP_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRAS <<
- SDR_CTRLGRP_DRAMTIMING3_TRAS_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRC <<
- SDR_CTRLGRP_DRAMTIMING3_TRC_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TMRD <<
- SDR_CTRLGRP_DRAMTIMING3_TMRD_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TCCD <<
- SDR_CTRLGRP_DRAMTIMING3_TCCD_LSB),
- .dram_timing4 =
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_SELFRFSHEXIT <<
- SDR_CTRLGRP_DRAMTIMING4_SELFRFSHEXIT_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_PWRDOWNEXIT <<
- SDR_CTRLGRP_DRAMTIMING4_PWRDOWNEXIT_LSB),
- .lowpwr_timing =
- (CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_AUTOPDCYCLES <<
- SDR_CTRLGRP_LOWPWRTIMING_AUTOPDCYCLES_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_LOWPWRTIMING_CLKDISABLECYCLES <<
- SDR_CTRLGRP_LOWPWRTIMING_CLKDISABLECYCLES_LSB),
- .dram_odt =
- (CONFIG_HPS_SDR_CTRLCFG_DRAMODT_READ <<
- SDR_CTRLGRP_DRAMODT_READ_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMODT_WRITE <<
- SDR_CTRLGRP_DRAMODT_WRITE_LSB),
- .dram_addrw =
- (CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_COLBITS <<
- SDR_CTRLGRP_DRAMADDRW_COLBITS_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_ROWBITS <<
- SDR_CTRLGRP_DRAMADDRW_ROWBITS_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_BANKBITS <<
- SDR_CTRLGRP_DRAMADDRW_BANKBITS_LSB) |
- ((CONFIG_HPS_SDR_CTRLCFG_DRAMADDRW_CSBITS - 1) <<
- SDR_CTRLGRP_DRAMADDRW_CSBITS_LSB),
- .dram_if_width =
- (CONFIG_HPS_SDR_CTRLCFG_DRAMIFWIDTH_IFWIDTH <<
- SDR_CTRLGRP_DRAMIFWIDTH_IFWIDTH_LSB),
- .dram_dev_width =
- (CONFIG_HPS_SDR_CTRLCFG_DRAMDEVWIDTH_DEVWIDTH <<
- SDR_CTRLGRP_DRAMDEVWIDTH_DEVWIDTH_LSB),
- .dram_intr =
- (CONFIG_HPS_SDR_CTRLCFG_DRAMINTR_INTREN <<
- SDR_CTRLGRP_DRAMINTR_INTREN_LSB),
- .lowpwr_eq =
- (CONFIG_HPS_SDR_CTRLCFG_LOWPWREQ_SELFRFSHMASK <<
- SDR_CTRLGRP_LOWPWREQ_SELFRFSHMASK_LSB),
- .static_cfg =
- (CONFIG_HPS_SDR_CTRLCFG_STATICCFG_MEMBL <<
- SDR_CTRLGRP_STATICCFG_MEMBL_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_STATICCFG_USEECCASDATA <<
- SDR_CTRLGRP_STATICCFG_USEECCASDATA_LSB),
- .ctrl_width =
- (CONFIG_HPS_SDR_CTRLCFG_CTRLWIDTH_CTRLWIDTH <<
- SDR_CTRLGRP_CTRLWIDTH_CTRLWIDTH_LSB),
- .cport_width =
- (CONFIG_HPS_SDR_CTRLCFG_CPORTWIDTH_CPORTWIDTH <<
- SDR_CTRLGRP_CPORTWIDTH_CMDPORTWIDTH_LSB),
- .cport_wmap =
- (CONFIG_HPS_SDR_CTRLCFG_CPORTWMAP_CPORTWMAP <<
- SDR_CTRLGRP_CPORTWMAP_CPORTWFIFOMAP_LSB),
- .cport_rmap =
- (CONFIG_HPS_SDR_CTRLCFG_CPORTRMAP_CPORTRMAP <<
- SDR_CTRLGRP_CPORTRMAP_CPORTRFIFOMAP_LSB),
- .rfifo_cmap =
- (CONFIG_HPS_SDR_CTRLCFG_RFIFOCMAP_RFIFOCMAP <<
- SDR_CTRLGRP_RFIFOCMAP_RFIFOCPORTMAP_LSB),
- .wfifo_cmap =
- (CONFIG_HPS_SDR_CTRLCFG_WFIFOCMAP_WFIFOCMAP <<
- SDR_CTRLGRP_WFIFOCMAP_WFIFOCPORTMAP_LSB),
- .cport_rdwr =
- (CONFIG_HPS_SDR_CTRLCFG_CPORTRDWR_CPORTRDWR <<
- SDR_CTRLGRP_CPORTRDWR_CPORTRDWR_LSB),
- .port_cfg =
- (CONFIG_HPS_SDR_CTRLCFG_PORTCFG_AUTOPCHEN <<
- SDR_CTRLGRP_PORTCFG_AUTOPCHEN_LSB),
- .fpgaport_rst = CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST,
- .fifo_cfg =
- (CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_SYNCMODE <<
- SDR_CTRLGRP_FIFOCFG_SYNCMODE_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_INCSYNC <<
- SDR_CTRLGRP_FIFOCFG_INCSYNC_LSB),
- .mp_priority =
- (CONFIG_HPS_SDR_CTRLCFG_MPPRIORITY_USERPRIORITY <<
- SDR_CTRLGRP_MPPRIORITY_USERPRIORITY_LSB),
- .mp_weight0 =
- (CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_0_STATICWEIGHT_31_0 <<
- SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_0_STATICWEIGHT_31_0_LSB),
- .mp_weight1 =
- (CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_STATICWEIGHT_49_32 <<
- SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_1_SUMOFWEIGHT_13_0 <<
- SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_SUMOFWEIGHTS_13_0_LSB),
- .mp_weight2 =
- (CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_2_SUMOFWEIGHT_45_14 <<
- SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_2_SUMOFWEIGHTS_45_14_LSB),
- .mp_weight3 =
- (CONFIG_HPS_SDR_CTRLCFG_MPWIEIGHT_3_SUMOFWEIGHT_63_46 <<
- SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_3_SUMOFWEIGHTS_63_46_LSB),
- .mp_pacing0 =
- (CONFIG_HPS_SDR_CTRLCFG_MPPACING_0_THRESHOLD1_31_0 <<
- SDR_CTRLGRP_MPPACING_MPPACING_0_THRESHOLD1_31_0_LSB),
- .mp_pacing1 =
- (CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD1_59_32 <<
- SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_LSB) |
- (CONFIG_HPS_SDR_CTRLCFG_MPPACING_1_THRESHOLD2_3_0 <<
- SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD2_3_0_LSB),
- .mp_pacing2 =
- (CONFIG_HPS_SDR_CTRLCFG_MPPACING_2_THRESHOLD2_35_4 <<
- SDR_CTRLGRP_MPPACING_MPPACING_2_THRESHOLD2_35_4_LSB),
- .mp_pacing3 =
- (CONFIG_HPS_SDR_CTRLCFG_MPPACING_3_THRESHOLD2_59_36 <<
- SDR_CTRLGRP_MPPACING_MPPACING_3_THRESHOLD2_59_36_LSB),
- .mp_threshold0 =
- (CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0 <<
- SDR_CTRLGRP_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0_LSB),
- .mp_threshold1 =
- (CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32 <<
- SDR_CTRLGRP_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32_LSB),
- .mp_threshold2 =
- (CONFIG_HPS_SDR_CTRLCFG_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64 <<
- SDR_CTRLGRP_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64_LSB),
- .phy_ctrl0 = CONFIG_HPS_SDR_CTRLCFG_PHYCTRL_PHYCTRL_0,
-};
-
/**
* get_errata_rows() - Up the number of DRAM rows to cover entire address space
* @cfg: SDRAM controller configuration data
* increase the number of rows so that the memory controller thinks it has
* 4GB of RAM. This function returns such amount of rows.
*/
-static int get_errata_rows(struct socfpga_sdram_config *cfg)
+static int get_errata_rows(const struct socfpga_sdram_config *cfg)
{
/* Define constant for 4G memory - used for SDRAM errata workaround */
#define MEMSIZE_4G (4ULL * 1024ULL * 1024ULL * 1024ULL)
}
}
-/* Function to write to register and verify the write */
-static unsigned sdram_write_verify(unsigned int *addr, unsigned reg_value)
+/**
+ * sdram_write_verify() - write to register and verify the write.
+ * @addr: Register address
+ * @val: Value to be written and verified
+ *
+ * This function writes to a register, reads back the value and compares
+ * the result with the written value to check if the data match.
+ */
+static unsigned sdram_write_verify(const u32 *addr, const u32 val)
{
-#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
+ u32 rval;
+
+ debug(" Write - Address 0x%p Data 0x%08x\n", addr, val);
+ writel(val, addr);
+
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;
+ rval = readl(addr);
+ if (rval != val) {
+ debug("FAIL - Address 0x%p Expected 0x%08x Data 0x%08x\n",
+ addr, val, rval);
+ return -EINVAL;
}
+
debug("correct!\n");
-#endif /* SDRAM_MMR_SKIP_VERIFY */
return 0;
}
-static u32 sdr_get_ctrlcfg(struct socfpga_sdram_config *cfg)
+static u32 sdr_get_ctrlcfg(const struct socfpga_sdram_config *cfg)
{
const u32 csbits =
((cfg->dram_addrw & SDR_CTRLGRP_DRAMADDRW_CSBITS_MASK) >>
return ctrl_cfg;
}
-static u32 sdr_get_addr_rw(struct socfpga_sdram_config *cfg)
+static u32 sdr_get_addr_rw(const struct socfpga_sdram_config *cfg)
{
/*
* SDRAM Failure When Accessing Non-Existent Memory
return dram_addrw | (rows << SDR_CTRLGRP_DRAMADDRW_ROWBITS_LSB);
}
-/* Function to initialize SDRAM MMR */
-unsigned sdram_mmr_init_full(unsigned int sdr_phy_reg)
+/**
+ * sdr_load_regs() - Load SDRAM controller registers
+ * @cfg: SDRAM controller configuration data
+ *
+ * This function loads the register values into the SDRAM controller block.
+ */
+static void sdr_load_regs(const struct socfpga_sdram_config *cfg)
{
- unsigned long status = 0;
- struct socfpga_sdram_config *cfg = &sdram_config;
- const unsigned int rows =
- (cfg->dram_addrw & SDR_CTRLGRP_DRAMADDRW_ROWBITS_MASK) >>
- SDR_CTRLGRP_DRAMADDRW_ROWBITS_LSB;
-
const u32 ctrl_cfg = sdr_get_ctrlcfg(cfg);
const u32 dram_addrw = sdr_get_addr_rw(cfg);
- writel(rows, &sysmgr_regs->iswgrp_handoff[4]);
-
debug("\nConfiguring CTRLCFG\n");
writel(ctrl_cfg, &sdr_ctrl->ctrl_cfg);
debug("Configuring DRAMODT\n");
writel(cfg->dram_odt, &sdr_ctrl->dram_odt);
+}
+
+/**
+ * sdram_mmr_init_full() - Function to initialize SDRAM MMR
+ * @sdr_phy_reg: Value of the PHY control register 0
+ *
+ * Initialize the SDRAM MMR.
+ */
+int sdram_mmr_init_full(unsigned int sdr_phy_reg)
+{
+ const struct socfpga_sdram_config *cfg = socfpga_get_sdram_config();
+ const unsigned int rows =
+ (cfg->dram_addrw & SDR_CTRLGRP_DRAMADDRW_ROWBITS_MASK) >>
+ SDR_CTRLGRP_DRAMADDRW_ROWBITS_LSB;
+ int ret;
+
+ writel(rows, &sysmgr_regs->iswgrp_handoff[4]);
+
+ sdr_load_regs(cfg);
/* saving this value to SYSMGR.ISWGRP.HANDOFF.FPGA2SDR */
writel(cfg->fpgaport_rst, &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,
- cfg->fpgaport_rst) == 1) {
- status = 1;
- return 1;
- }
+ ret = sdram_write_verify(&sdr_ctrl->fpgaport_rst,
+ cfg->fpgaport_rst);
+ if (ret)
+ return ret;
}
/* Restore the SDR PHY Register if valid */
sdram_dump_protection_config();
- return status;
+ return 0;
}
-/*
- * To calculate SDRAM device size based on SDRAM controller parameters.
- * Size is specified in bytes.
+/**
+ * sdram_calculate_size() - Calculate SDRAM size
*
- * 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.
+ * Calculate SDRAM device size based on SDRAM controller parameters.
+ * Size is specified in bytes.
*/
unsigned long sdram_calculate_size(void)
{
unsigned long temp;
unsigned long row, bank, col, cs, width;
+ const struct socfpga_sdram_config *cfg = socfpga_get_sdram_config();
+ const unsigned int csbits =
+ ((cfg->dram_addrw & SDR_CTRLGRP_DRAMADDRW_CSBITS_MASK) >>
+ SDR_CTRLGRP_DRAMADDRW_CSBITS_LSB) + 1;
+ const unsigned int rowbits =
+ (cfg->dram_addrw & SDR_CTRLGRP_DRAMADDRW_ROWBITS_MASK) >>
+ SDR_CTRLGRP_DRAMADDRW_ROWBITS_LSB;
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
+ /*
+ * 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
+ row = 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;
+ row = rowbits;
bank = (temp & SDR_CTRLGRP_DRAMADDRW_BANKBITS_MASK) >>
SDR_CTRLGRP_DRAMADDRW_BANKBITS_LSB;
- /* SDRAM Failure When Accessing Non-Existent Memory
+ /*
+ * 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;
+ cs = 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;
temp = 1 << (row + bank + col);
temp = temp * cs * (width / 8);
- debug("sdram_calculate_memory returns %ld\n", temp);
+ debug("%s returns %ld\n", __func__, temp);
return temp;
}
projects / karo-tx-uboot.git / blobdiff