[PATCH 2/7] ddr: altera: arria10: Move SDRAM driver to DM
Ley Foon Tan
ley.foon.tan at intel.com
Wed Apr 15 11:00:25 CEST 2020
Convert Arria 10 SDRAM driver to device model.
SPL is changed from calling function in SDRAM driver
directly to just probing UCLASS_RAM.
Signed-off-by: Ley Foon Tan <ley.foon.tan at intel.com>
---
arch/arm/dts/socfpga_arria10-u-boot.dtsi | 8 +
.../mach-socfpga/include/mach/sdram_arria10.h | 244 ++++---------
arch/arm/mach-socfpga/spl_a10.c | 14 +-
drivers/ddr/altera/Kconfig | 4 +-
drivers/ddr/altera/sdram_arria10.c | 334 ++++++++++--------
5 files changed, 270 insertions(+), 334 deletions(-)
diff --git a/arch/arm/dts/socfpga_arria10-u-boot.dtsi b/arch/arm/dts/socfpga_arria10-u-boot.dtsi
index 6ff1ea6e5eb7..cb576f5288ea 100644
--- a/arch/arm/dts/socfpga_arria10-u-boot.dtsi
+++ b/arch/arm/dts/socfpga_arria10-u-boot.dtsi
@@ -133,6 +133,14 @@
u-boot,dm-pre-reloc;
};
+&sdr {
+ reg = <0xffcfa000 0x11C>,
+ <0xffcfb000 0x180>,
+ <0xffd12400 0x1030>;
+ resets = <&rst DDRSCH_RESET>;
+ u-boot,dm-pre-reloc;
+};
+
&sysmgr {
u-boot,dm-pre-reloc;
};
diff --git a/arch/arm/mach-socfpga/include/mach/sdram_arria10.h b/arch/arm/mach-socfpga/include/mach/sdram_arria10.h
index 25b82fb28583..71889ecde9f7 100644
--- a/arch/arm/mach-socfpga/include/mach/sdram_arria10.h
+++ b/arch/arm/mach-socfpga/include/mach/sdram_arria10.h
@@ -6,76 +6,65 @@
#ifndef _SOCFPGA_SDRAM_ARRIA10_H_
#define _SOCFPGA_SDRAM_ARRIA10_H_
-#ifndef __ASSEMBLY__
-int ddr_calibration_sequence(void);
-
-struct socfpga_ecc_hmc {
- u32 ip_rev_id;
- u32 _pad_0x4_0x7;
- u32 ddrioctrl;
- u32 ddrcalstat;
- u32 mpr_0beat1;
- u32 mpr_1beat1;
- u32 mpr_2beat1;
- u32 mpr_3beat1;
- u32 mpr_4beat1;
- u32 mpr_5beat1;
- u32 mpr_6beat1;
- u32 mpr_7beat1;
- u32 mpr_8beat1;
- u32 mpr_0beat2;
- u32 mpr_1beat2;
- u32 mpr_2beat2;
- u32 mpr_3beat2;
- u32 mpr_4beat2;
- u32 mpr_5beat2;
- u32 mpr_6beat2;
- u32 mpr_7beat2;
- u32 mpr_8beat2;
- u32 _pad_0x58_0x5f[2];
- u32 auto_precharge;
- u32 _pad_0x64_0xff[39];
- u32 eccctrl;
- u32 eccctrl2;
- u32 _pad_0x108_0x10f[2];
- u32 errinten;
- u32 errintens;
- u32 errintenr;
- u32 intmode;
- u32 intstat;
- u32 diaginttest;
- u32 modstat;
- u32 derraddra;
- u32 serraddra;
- u32 _pad_0x134_0x137;
- u32 autowb_corraddr;
- u32 serrcntreg;
- u32 autowb_drop_cntreg;
- u32 _pad_0x144_0x147;
- u32 ecc_reg2wreccdatabus;
- u32 ecc_rdeccdata2regbus;
- u32 ecc_reg2rdeccdatabus;
- u32 _pad_0x154_0x15f[3];
- u32 ecc_diagon;
- u32 ecc_decstat;
- u32 _pad_0x168_0x16f[2];
- u32 ecc_errgenaddr_0;
- u32 ecc_errgenaddr_1;
- u32 ecc_errgenaddr_2;
- u32 ecc_errgenaddr_3;
-};
-
-struct socfpga_noc_ddr_scheduler {
- u32 ddr_t_main_scheduler_id_coreid;
- u32 ddr_t_main_scheduler_id_revisionid;
- u32 ddr_t_main_scheduler_ddrconf;
- u32 ddr_t_main_scheduler_ddrtiming;
- u32 ddr_t_main_scheduler_ddrmode;
- u32 ddr_t_main_scheduler_readlatency;
- u32 _pad_0x20_0x34[8];
- u32 ddr_t_main_scheduler_activate;
- u32 ddr_t_main_scheduler_devtodev;
-};
+/* IO48 HMC */
+#define CTRLCFG0 0x28
+#define CTRLCFG1 0x2c
+#define DRAMTIMING0 0x50
+#define CALTIMING0 0x7c
+#define CALTIMING1 0x80
+#define CALTIMING2 0x84
+#define CALTIMING3 0x88
+#define CALTIMING4 0x8c
+#define CALTIMING9 0xa0
+#define DRAMADDRW 0xa8
+#define DRAMSTS 0xec
+#define NIOSRESERVE0 0x110
+#define NIOSRESERVE1 0x114
+#define NIOSRESERVE2 0x118
+
+/* HMC */
+#define DDRIOCTRL 0x8
+#define DDRCALSTAT 0xc
+#define ECCCTRL1 0x100
+#define ECCCTRL2 0x104
+
+/* DDR scheduler */
+#define DDRCONF 0x08
+#define DDRTIMING 0x0c
+#define DDRMODE 0x10
+#define DDRREADLATENCY 0x14
+#define DDRACTIVATE 0x38
+#define DDRDEVTODEV 0x3c
+
+/* FW DDR MPU F2S SCR */
+#define FW_DDR_MPU_F2S_SCR_EN 0x00
+#define FW_DDR_MPU_F2S_SCR_MPUR0 0x10
+#define FW_DDR_MPU_F2S_SCR_MPUR1 0x14
+#define FW_DDR_MPU_F2S_SCR_MPUR2 0x18
+#define FW_DDR_MPU_F2S_SCR_MPUR3 0x1c
+#define FW_DDR_MPU_F2S_SCR_F2S0_R0 0x20
+#define FW_DDR_MPU_F2S_SCR_F2S0_R1 0x24
+#define FW_DDR_MPU_F2S_SCR_F2S0_R2 0x28
+#define FW_DDR_MPU_F2S_SCR_F2S0_R3 0x2c
+#define FW_DDR_MPU_F2S_SCR_F2S1_R0 0x30
+#define FW_DDR_MPU_F2S_SCR_F2S1_R1 0x34
+#define FW_DDR_MPU_F2S_SCR_F2S1_R2 0x38
+#define FW_DDR_MPU_F2S_SCR_F2S1_R3 0x3c
+#define FW_DDR_MPU_F2S_SCR_F2S2_R0 0x40
+#define FW_DDR_MPU_F2S_SCR_F2S2_R1 0x44
+#define FW_DDR_MPU_F2S_SCR_F2S2_R2 0x48
+#define FW_DDR_MPU_F2S_SCR_F2S2_R3 0x4c
+
+/* FW DDR L3 DDR SCR */
+#define FW_DDR_L3_SCR_EN 0x00
+#define FW_DDR_L3_SCR_HPS_R0_ADDR 0x0c
+#define FW_DDR_L3_SCR_HPS_R1_ADDR 0x10
+#define FW_DDR_L3_SCR_HPS_R2_ADDR 0x14
+#define FW_DDR_L3_SCR_HPS_R3_ADDR 0x18
+#define FW_DDR_L3_SCR_HPS_R4_ADDR 0x1c
+#define FW_DDR_L3_SCR_HPS_R5_ADDR 0x20
+#define FW_DDR_L3_SCR_HPS_R6_ADDR 0x24
+#define FW_DDR_L3_SCR_HPS_R7_ADDR 0x28
/*
* OCRAM firewall
@@ -92,121 +81,6 @@ struct socfpga_noc_fw_ocram {
u32 region5;
};
-/* for master such as MPU and FPGA */
-struct socfpga_noc_fw_ddr_mpu_fpga2sdram {
- u32 enable;
- u32 enable_set;
- u32 enable_clear;
- u32 _pad_0xc_0xf;
- u32 mpuregion0addr;
- u32 mpuregion1addr;
- u32 mpuregion2addr;
- u32 mpuregion3addr;
- u32 fpga2sdram0region0addr;
- u32 fpga2sdram0region1addr;
- u32 fpga2sdram0region2addr;
- u32 fpga2sdram0region3addr;
- u32 fpga2sdram1region0addr;
- u32 fpga2sdram1region1addr;
- u32 fpga2sdram1region2addr;
- u32 fpga2sdram1region3addr;
- u32 fpga2sdram2region0addr;
- u32 fpga2sdram2region1addr;
- u32 fpga2sdram2region2addr;
- u32 fpga2sdram2region3addr;
-};
-
-/* for L3 master */
-struct socfpga_noc_fw_ddr_l3 {
- u32 enable;
- u32 enable_set;
- u32 enable_clear;
- u32 hpsregion0addr;
- u32 hpsregion1addr;
- u32 hpsregion2addr;
- u32 hpsregion3addr;
- u32 hpsregion4addr;
- u32 hpsregion5addr;
- u32 hpsregion6addr;
- u32 hpsregion7addr;
-};
-
-struct socfpga_io48_mmr {
- u32 dbgcfg0;
- u32 dbgcfg1;
- u32 dbgcfg2;
- u32 dbgcfg3;
- u32 dbgcfg4;
- u32 dbgcfg5;
- u32 dbgcfg6;
- u32 reserve0;
- u32 reserve1;
- u32 reserve2;
- u32 ctrlcfg0;
- u32 ctrlcfg1;
- u32 ctrlcfg2;
- u32 ctrlcfg3;
- u32 ctrlcfg4;
- u32 ctrlcfg5;
- u32 ctrlcfg6;
- u32 ctrlcfg7;
- u32 ctrlcfg8;
- u32 ctrlcfg9;
- u32 dramtiming0;
- u32 dramodt0;
- u32 dramodt1;
- u32 sbcfg0;
- u32 sbcfg1;
- u32 sbcfg2;
- u32 sbcfg3;
- u32 sbcfg4;
- u32 sbcfg5;
- u32 sbcfg6;
- u32 sbcfg7;
- u32 caltiming0;
- u32 caltiming1;
- u32 caltiming2;
- u32 caltiming3;
- u32 caltiming4;
- u32 caltiming5;
- u32 caltiming6;
- u32 caltiming7;
- u32 caltiming8;
- u32 caltiming9;
- u32 caltiming10;
- u32 dramaddrw;
- u32 sideband0;
- u32 sideband1;
- u32 sideband2;
- u32 sideband3;
- u32 sideband4;
- u32 sideband5;
- u32 sideband6;
- u32 sideband7;
- u32 sideband8;
- u32 sideband9;
- u32 sideband10;
- u32 sideband11;
- u32 sideband12;
- u32 sideband13;
- u32 sideband14;
- u32 sideband15;
- u32 dramsts;
- u32 dbgdone;
- u32 dbgsignals;
- u32 dbgreset;
- u32 dbgmatch;
- u32 counter0mask;
- u32 counter1mask;
- u32 counter0match;
- u32 counter1match;
- u32 niosreserve0;
- u32 niosreserve1;
- u32 niosreserve2;
-};
-
-#endif /*__ASSEMBLY__*/
-
#define IO48_MMR_CTRLCFG0_DB2_BURST_LENGTH_MASK 0x1F000000
#define IO48_MMR_CTRLCFG0_DB2_BURST_LENGTH_SHIFT 24
#define IO48_MMR_CTRLCFG0_DB1_BURST_LENGTH_MASK 0x00F80000
diff --git a/arch/arm/mach-socfpga/spl_a10.c b/arch/arm/mach-socfpga/spl_a10.c
index b10be3326803..3a2080af3aa6 100644
--- a/arch/arm/mach-socfpga/spl_a10.c
+++ b/arch/arm/mach-socfpga/spl_a10.c
@@ -28,6 +28,7 @@
#include <asm/arch/fpga_manager.h>
#include <mmc.h>
#include <memalign.h>
+#include <dm/uclass.h>
#define FPGA_BUFSIZ 16 * 1024
@@ -104,6 +105,8 @@ u32 spl_boot_mode(const u32 boot_device)
void spl_board_init(void)
{
+ int ret;
+ struct udevice *dev;
ALLOC_CACHE_ALIGN_BUFFER(char, buf, FPGA_BUFSIZ);
/* enable console uart printing */
@@ -127,9 +130,16 @@ void spl_board_init(void)
fpgamgr_program(buf, FPGA_BUFSIZ, 0);
}
+#if CONFIG_IS_ENABLED(ALTERA_SDRAM)
/* If the IOSSM/full FPGA is already loaded, start DDR */
- if (is_fpgamgr_early_user_mode() || is_fpgamgr_user_mode())
- ddr_calibration_sequence();
+ if (is_fpgamgr_early_user_mode() || is_fpgamgr_user_mode()) {
+ ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (ret) {
+ debug("DRAM init failed: %d\n", ret);
+ hang();
+ }
+ }
+#endif
if (!is_fpgamgr_user_mode())
fpgamgr_program(buf, FPGA_BUFSIZ, 0);
diff --git a/drivers/ddr/altera/Kconfig b/drivers/ddr/altera/Kconfig
index 8f590dc5f611..30ee884dcf47 100644
--- a/drivers/ddr/altera/Kconfig
+++ b/drivers/ddr/altera/Kconfig
@@ -2,7 +2,7 @@ config SPL_ALTERA_SDRAM
bool "SoCFPGA DDR SDRAM driver in SPL"
depends on SPL
depends on TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10 || TARGET_SOCFPGA_STRATIX10 || TARGET_SOCFPGA_AGILEX
- select RAM if TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_STRATIX10 || TARGET_SOCFPGA_AGILEX
- select SPL_RAM if TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_STRATIX10 || TARGET_SOCFPGA_AGILEX
+ select RAM
+ select SPL_RAM
help
Enable DDR SDRAM controller for the SoCFPGA devices.
diff --git a/drivers/ddr/altera/sdram_arria10.c b/drivers/ddr/altera/sdram_arria10.c
index e0779b810fdc..a31d45a5bb8e 100644
--- a/drivers/ddr/altera/sdram_arria10.c
+++ b/drivers/ddr/altera/sdram_arria10.c
@@ -5,9 +5,11 @@
#include <common.h>
#include <cpu_func.h>
+#include <dm.h>
#include <errno.h>
#include <fdtdec.h>
#include <malloc.h>
+#include <ram.h>
#include <wait_bit.h>
#include <watchdog.h>
#include <asm/io.h>
@@ -19,8 +21,15 @@
DECLARE_GLOBAL_DATA_PTR;
-static void sdram_mmr_init(void);
-static u64 sdram_size_calc(void);
+struct altera_sdram_priv {
+ struct ram_info info;
+};
+
+struct altera_sdram_platdata {
+ void __iomem *iohmc;
+ void __iomem *hmc;
+ void __iomem *ddr_sch;
+};
/* FAWBANK - Number of Bank of a given device involved in the FAW period. */
#define ARRIA10_SDR_ACTIVATE_FAWBANK (0x1)
@@ -33,27 +42,10 @@ static u64 sdram_size_calc(void);
#define DDR_READ_LATENCY_DELAY 40
#define DDR_SIZE_2GB_HEX 0x80000000
-#define IO48_MMR_DRAMSTS 0xFFCFA0EC
-#define IO48_MMR_NIOS2_RESERVE0 0xFFCFA110
-#define IO48_MMR_NIOS2_RESERVE1 0xFFCFA114
-#define IO48_MMR_NIOS2_RESERVE2 0xFFCFA118
-
#define SEQ2CORE_MASK 0xF
#define CORE2SEQ_INT_REQ 0xF
#define SEQ2CORE_INT_RESP_BIT 3
-static const struct socfpga_ecc_hmc *socfpga_ecc_hmc_base =
- (void *)SOCFPGA_SDR_ADDRESS;
-static const struct socfpga_noc_ddr_scheduler *socfpga_noc_ddr_scheduler_base =
- (void *)SOCFPGA_SDR_SCHEDULER_ADDRESS;
-static const struct socfpga_noc_fw_ddr_mpu_fpga2sdram
- *socfpga_noc_fw_ddr_mpu_fpga2sdram_base =
- (void *)SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS;
-static const struct socfpga_noc_fw_ddr_l3 *socfpga_noc_fw_ddr_l3_base =
- (void *)SOCFPGA_SDR_FIREWALL_L3_ADDRESS;
-static const struct socfpga_io48_mmr *socfpga_io48_mmr_base =
- (void *)SOCFPGA_HMC_MMR_IO48_ADDRESS;
-
/* The following are the supported configurations */
static u32 ddr_config[] = {
/* Chip - Row - Bank - Column Style */
@@ -111,7 +103,7 @@ static int emif_clear(void)
SEQ2CORE_MASK, 0, 1000, 0);
}
-static int emif_reset(void)
+static int emif_reset(struct altera_sdram_platdata *plat)
{
u32 c2s, s2c;
int ret;
@@ -120,10 +112,10 @@ static int emif_reset(void)
s2c = readl(DDR_REG_SEQ2CORE);
debug("c2s=%08x s2c=%08x nr0=%08x nr1=%08x nr2=%08x dst=%08x\n",
- c2s, s2c, readl(IO48_MMR_NIOS2_RESERVE0),
- readl(IO48_MMR_NIOS2_RESERVE1),
- readl(IO48_MMR_NIOS2_RESERVE2),
- readl(IO48_MMR_DRAMSTS));
+ c2s, s2c, readl(plat->iohmc + NIOSRESERVE0),
+ readl(plat->iohmc + NIOSRESERVE1),
+ readl(plat->iohmc + NIOSRESERVE2),
+ readl(plat->iohmc + DRAMSTS));
if (s2c & SEQ2CORE_MASK) {
ret = emif_clear();
@@ -153,26 +145,27 @@ static int emif_reset(void)
debug("emif_reset interrupt cleared\n");
debug("nr0=%08x nr1=%08x nr2=%08x\n",
- readl(IO48_MMR_NIOS2_RESERVE0),
- readl(IO48_MMR_NIOS2_RESERVE1),
- readl(IO48_MMR_NIOS2_RESERVE2));
+ readl(plat->iohmc + NIOSRESERVE0),
+ readl(plat->iohmc + NIOSRESERVE1),
+ readl(plat->iohmc + NIOSRESERVE2));
return 0;
}
-static int ddr_setup(void)
+static int ddr_setup(struct altera_sdram_platdata *plat)
{
int i, ret;
/* Try 32 times to do a calibration */
for (i = 0; i < 32; i++) {
mdelay(500);
- ret = wait_for_bit_le32(&socfpga_ecc_hmc_base->ddrcalstat,
- BIT(0), true, 500, false);
+ ret = wait_for_bit_le32((const void *)(plat->hmc +
+ DDRCALSTAT), BIT(0),
+ true, 500, false);
if (!ret)
return 0;
- ret = emif_reset();
+ ret = emif_reset(plat);
if (ret)
puts("Error: Failed to reset EMIF\n");
}
@@ -181,9 +174,9 @@ static int ddr_setup(void)
return -EPERM;
}
-static int sdram_is_ecc_enabled(void)
+static int sdram_is_ecc_enabled(struct altera_sdram_platdata *plat)
{
- return !!(readl(&socfpga_ecc_hmc_base->eccctrl) &
+ return !!(readl(plat->hmc + ECCCTRL1) &
ALT_ECC_HMC_OCP_ECCCTL_ECC_EN_SET_MSK);
}
@@ -206,18 +199,18 @@ static void sdram_init_ecc_bits(u32 size)
}
/* Function to startup the SDRAM*/
-static int sdram_startup(void)
+static int sdram_startup(struct altera_sdram_platdata *plat)
{
/* Release NOC ddr scheduler from reset */
socfpga_reset_deassert_noc_ddr_scheduler();
/* Bringup the DDR (calibration and configuration) */
- return ddr_setup();
+ return ddr_setup(plat);
}
-static u64 sdram_size_calc(void)
+static u64 sdram_size_calc(struct altera_sdram_platdata *plat)
{
- u32 dramaddrw = readl(&socfpga_io48_mmr_base->dramaddrw);
+ u32 dramaddrw = readl(plat->iohmc + DRAMADDRW);
u64 size = BIT(((dramaddrw &
IO48_MMR_DRAMADDRW_CFG_CS_ADDR_WIDTH_MASK) >>
@@ -233,7 +226,7 @@ static u64 sdram_size_calc(void)
IO48_MMR_DRAMADDRW_CFG_ROW_ADDR_WIDTH_SHIFT) +
(dramaddrw & IO48_MMR_DRAMADDRW_CFG_COL_ADDR_WIDTH_MASK));
- size *= (2 << (readl(&socfpga_ecc_hmc_base->ddrioctrl) &
+ size *= (2 << (readl(plat->hmc + DDRIOCTRL) &
ALT_ECC_HMC_OCP_DDRIOCTRL_IO_SIZE_MSK));
debug("SDRAM size=%llu\n", size);
@@ -242,18 +235,18 @@ static u64 sdram_size_calc(void)
}
/* Function to initialize SDRAM MMR and NOC DDR scheduler*/
-static void sdram_mmr_init(void)
+static void sdram_mmr_init(struct altera_sdram_platdata *plat)
{
u32 update_value, io48_value;
- u32 ctrlcfg0 = readl(&socfpga_io48_mmr_base->ctrlcfg0);
- u32 ctrlcfg1 = readl(&socfpga_io48_mmr_base->ctrlcfg1);
- u32 dramaddrw = readl(&socfpga_io48_mmr_base->dramaddrw);
- u32 caltim0 = readl(&socfpga_io48_mmr_base->caltiming0);
- u32 caltim1 = readl(&socfpga_io48_mmr_base->caltiming1);
- u32 caltim2 = readl(&socfpga_io48_mmr_base->caltiming2);
- u32 caltim3 = readl(&socfpga_io48_mmr_base->caltiming3);
- u32 caltim4 = readl(&socfpga_io48_mmr_base->caltiming4);
- u32 caltim9 = readl(&socfpga_io48_mmr_base->caltiming9);
+ u32 ctrlcfg0 = readl(plat->iohmc + CTRLCFG0);
+ u32 ctrlcfg1 = readl(plat->iohmc + CTRLCFG1);
+ u32 dramaddrw = readl(plat->iohmc + DRAMADDRW);
+ u32 caltim0 = readl(plat->iohmc + CALTIMING0);
+ u32 caltim1 = readl(plat->iohmc + CALTIMING1);
+ u32 caltim2 = readl(plat->iohmc + CALTIMING2);
+ u32 caltim3 = readl(plat->iohmc + CALTIMING3);
+ u32 caltim4 = readl(plat->iohmc + CALTIMING4);
+ u32 caltim9 = readl(plat->iohmc + CALTIMING9);
u32 ddrioctl;
/*
@@ -270,13 +263,13 @@ static void sdram_mmr_init(void)
* bit[9:6] = Minor Release #
* bit[14:10] = Major Release #
*/
- if ((readl(&socfpga_io48_mmr_base->niosreserve1) >> 6) & 0x1FF) {
- update_value = readl(&socfpga_io48_mmr_base->niosreserve0);
+ if ((readl(plat->iohmc + NIOSRESERVE1) >> 6) & 0x1FF) {
+ update_value = readl(plat->iohmc + NIOSRESERVE0);
writel(((update_value & 0xFF) >> 5),
- &socfpga_ecc_hmc_base->ddrioctrl);
+ plat->hmc + DDRIOCTRL);
}
- ddrioctl = readl(&socfpga_ecc_hmc_base->ddrioctrl);
+ ddrioctl = readl(plat->hmc + DDRIOCTRL);
/* Set the DDR Configuration [0xFFD12400] */
io48_value = ARRIA_DDR_CONFIG(
@@ -297,8 +290,7 @@ static void sdram_mmr_init(void)
update_value = match_ddr_conf(io48_value);
if (update_value)
- writel(update_value,
- &socfpga_noc_ddr_scheduler_base->ddr_t_main_scheduler_ddrconf);
+ writel(update_value, plat->ddr_sch + DDRCONF);
/*
* Configure DDR timing [0xFFD1240C]
@@ -360,7 +352,7 @@ static void sdram_mmr_init(void)
caltim0_cfg_act_to_rdwr -
(ctrlcfg0_cfg_ctrl_burst_len >> 2));
- io48_value = ((((readl(&socfpga_io48_mmr_base->dramtiming0) &
+ io48_value = ((((readl(plat->iohmc + DRAMTIMING0) &
ALT_IO48_DRAMTIME_MEM_READ_LATENCY_MASK) + 2 + 15 +
(ctrlcfg0_cfg_ctrl_burst_len >> 1)) >> 1) -
/* Up to here was in memory cycles so divide by 2 */
@@ -381,20 +373,18 @@ static void sdram_mmr_init(void)
ALT_NOC_MPU_DDR_T_SCHED_DDRTIMING_WRTORD_LSB) |
(((ddrioctl == 1) ? 1 : 0) <<
ALT_NOC_MPU_DDR_T_SCHED_DDRTIMING_BWRATIO_LSB)),
- &socfpga_noc_ddr_scheduler_base->
- ddr_t_main_scheduler_ddrtiming);
+ plat->ddr_sch + DDRTIMING);
/* Configure DDR mode [0xFFD12410] [precharge = 0] */
writel(((ddrioctl ? 0 : 1) <<
ALT_NOC_MPU_DDR_T_SCHED_DDRMOD_BWRATIOEXTENDED_LSB),
- &socfpga_noc_ddr_scheduler_base->ddr_t_main_scheduler_ddrmode);
+ plat->ddr_sch + DDRMODE);
/* Configure the read latency [0xFFD12414] */
- writel(((readl(&socfpga_io48_mmr_base->dramtiming0) &
+ writel(((readl(plat->iohmc + DRAMTIMING0) &
ALT_IO48_DRAMTIME_MEM_READ_LATENCY_MASK) >> 1) +
DDR_READ_LATENCY_DELAY,
- &socfpga_noc_ddr_scheduler_base->
- ddr_t_main_scheduler_readlatency);
+ plat->ddr_sch + DDRREADLATENCY);
/*
* Configuring timing values concerning activate commands
@@ -406,7 +396,7 @@ static void sdram_mmr_init(void)
ALT_NOC_MPU_DDR_T_SCHED_ACTIVATE_FAW_LSB) |
(ARRIA10_SDR_ACTIVATE_FAWBANK <<
ALT_NOC_MPU_DDR_T_SCHED_ACTIVATE_FAWBANK_LSB)),
- &socfpga_noc_ddr_scheduler_base->ddr_t_main_scheduler_activate);
+ plat->ddr_sch + DDRACTIVATE);
/*
* Configuring timing values concerning device to device data bus
@@ -418,26 +408,26 @@ static void sdram_mmr_init(void)
ALT_NOC_MPU_DDR_T_SCHED_DEVTODEV_BUSRDTOWR_LSB) |
(caltim3_cfg_wr_to_rd_dc <<
ALT_NOC_MPU_DDR_T_SCHED_DEVTODEV_BUSWRTORD_LSB)),
- &socfpga_noc_ddr_scheduler_base->ddr_t_main_scheduler_devtodev);
+ plat->ddr_sch + DDRDEVTODEV);
/* Enable or disable the SDRAM ECC */
if (ctrlcfg1 & IO48_MMR_CTRLCFG1_CTRL_ENABLE_ECC) {
- setbits_le32(&socfpga_ecc_hmc_base->eccctrl,
+ setbits_le32(plat->hmc + ECCCTRL1,
(ALT_ECC_HMC_OCP_ECCCTL_AWB_CNT_RST_SET_MSK |
ALT_ECC_HMC_OCP_ECCCTL_CNT_RST_SET_MSK |
ALT_ECC_HMC_OCP_ECCCTL_ECC_EN_SET_MSK));
- clrbits_le32(&socfpga_ecc_hmc_base->eccctrl,
+ clrbits_le32(plat->hmc + ECCCTRL1,
(ALT_ECC_HMC_OCP_ECCCTL_AWB_CNT_RST_SET_MSK |
ALT_ECC_HMC_OCP_ECCCTL_CNT_RST_SET_MSK));
- setbits_le32(&socfpga_ecc_hmc_base->eccctrl2,
+ setbits_le32(plat->hmc + ECCCTRL2,
(ALT_ECC_HMC_OCP_ECCCTL2_RMW_EN_SET_MSK |
ALT_ECC_HMC_OCP_ECCCTL2_AWB_EN_SET_MSK));
} else {
- clrbits_le32(&socfpga_ecc_hmc_base->eccctrl,
+ clrbits_le32(plat->hmc + ECCCTRL1,
(ALT_ECC_HMC_OCP_ECCCTL_AWB_CNT_RST_SET_MSK |
ALT_ECC_HMC_OCP_ECCCTL_CNT_RST_SET_MSK |
ALT_ECC_HMC_OCP_ECCCTL_ECC_EN_SET_MSK));
- clrbits_le32(&socfpga_ecc_hmc_base->eccctrl2,
+ clrbits_le32(plat->hmc + ECCCTRL2,
(ALT_ECC_HMC_OCP_ECCCTL2_RMW_EN_SET_MSK |
ALT_ECC_HMC_OCP_ECCCTL2_AWB_EN_SET_MSK));
}
@@ -449,173 +439,156 @@ struct firewall_entry {
const u32 en_addr;
const u32 en_bit;
};
-#define FW_MPU_FPGA_ADDRESS \
- ((const struct socfpga_noc_fw_ddr_mpu_fpga2sdram *)\
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS)
-#define SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(ADDR) \
- (SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS + \
- offsetof(struct socfpga_noc_fw_ddr_mpu_fpga2sdram, ADDR))
+#define SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(off) \
+ (SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS + (off))
-#define SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(ADDR) \
- (SOCFPGA_SDR_FIREWALL_L3_ADDRESS + \
- offsetof(struct socfpga_noc_fw_ddr_l3, ADDR))
+#define SOCFPGA_SDR_FIREWALL_L3_ADDR(off) \
+ (SOCFPGA_SDR_FIREWALL_L3_ADDRESS + (off))
const struct firewall_entry firewall_table[] = {
{
"mpu0",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(mpuregion0addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_MPUR0),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_MPUREG0EN_SET_MSK
},
{
"mpu1",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(mpuregion1addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_MPUR1),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_MPUREG1EN_SET_MSK
},
{
"mpu2",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(mpuregion2addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_MPUR2),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_MPUREG2EN_SET_MSK
},
{
"mpu3",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(mpuregion3addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_MPUR3),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_MPUREG3EN_SET_MSK
},
{
"l3-0",
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(hpsregion0addr),
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_HPS_R0_ADDR),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_HPSREG0EN_SET_MSK
},
{
"l3-1",
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(hpsregion1addr),
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_HPS_R1_ADDR),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_HPSREG1EN_SET_MSK
},
{
"l3-2",
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(hpsregion2addr),
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_HPS_R2_ADDR),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_HPSREG2EN_SET_MSK
},
{
"l3-3",
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(hpsregion3addr),
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_HPS_R3_ADDR),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_HPSREG3EN_SET_MSK
},
{
"l3-4",
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(hpsregion4addr),
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_HPS_R4_ADDR),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_HPSREG4EN_SET_MSK
},
{
"l3-5",
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(hpsregion5addr),
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_HPS_R5_ADDR),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_HPSREG5EN_SET_MSK
},
{
"l3-6",
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(hpsregion6addr),
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_HPS_R6_ADDR),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_HPSREG6EN_SET_MSK
},
{
"l3-7",
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(hpsregion7addr),
- SOCFPGA_SDR_FIREWALL_L3_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_HPS_R7_ADDR),
+ SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_HPSREG7EN_SET_MSK
},
{
"fpga2sdram0-0",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram0region0addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S0_R0),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR0REG0EN_SET_MSK
},
{
"fpga2sdram0-1",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram0region1addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S0_R1),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR0REG1EN_SET_MSK
},
{
"fpga2sdram0-2",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram0region2addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S0_R2),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR0REG2EN_SET_MSK
},
{
"fpga2sdram0-3",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram0region3addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S0_R3),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR0REG3EN_SET_MSK
},
{
"fpga2sdram1-0",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram1region0addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S1_R0),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR1REG0EN_SET_MSK
},
{
"fpga2sdram1-1",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram1region1addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S1_R1),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR1REG1EN_SET_MSK
},
{
"fpga2sdram1-2",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram1region2addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S1_R2),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR1REG2EN_SET_MSK
},
{
"fpga2sdram1-3",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram1region3addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S1_R3),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR1REG3EN_SET_MSK
},
{
"fpga2sdram2-0",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram2region0addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S2_R0),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR2REG0EN_SET_MSK
},
{
"fpga2sdram2-1",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram2region1addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S2_R1),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR2REG1EN_SET_MSK
},
{
"fpga2sdram2-2",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram2region2addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S2_R2),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR2REG2EN_SET_MSK
},
{
"fpga2sdram2-3",
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET
- (fpga2sdram2region3addr),
- SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_F2S2_R3),
+ SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN),
ALT_NOC_FW_DDR_SCR_EN_F2SDR2REG3EN_SET_MSK
},
@@ -636,9 +609,8 @@ static int of_sdram_firewall_setup(const void *blob)
return -ENXIO;
/* set to default state */
- writel(0, &socfpga_noc_fw_ddr_mpu_fpga2sdram_base->enable);
- writel(0, &socfpga_noc_fw_ddr_l3_base->enable);
-
+ writel(0, SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDR(FW_DDR_MPU_F2S_SCR_EN));
+ writel(0, SOCFPGA_SDR_FIREWALL_L3_ADDR(FW_DDR_L3_SCR_EN));
for (i = 0; i < ARRAY_SIZE(firewall_table); i++) {
sprintf(name, "%s", firewall_table[i].prop_name);
@@ -662,12 +634,12 @@ static int of_sdram_firewall_setup(const void *blob)
return 0;
}
-int ddr_calibration_sequence(void)
+static int ddr_calibration_sequence(struct altera_sdram_platdata *plat)
{
WATCHDOG_RESET();
/* Check to see if SDRAM cal was success */
- if (sdram_startup()) {
+ if (sdram_startup(plat)) {
puts("DDRCAL: Failed\n");
return -EPERM;
}
@@ -677,10 +649,10 @@ int ddr_calibration_sequence(void)
WATCHDOG_RESET();
/* initialize the MMR register */
- sdram_mmr_init();
+ sdram_mmr_init(plat);
/* assigning the SDRAM size */
- u64 size = sdram_size_calc();
+ u64 size = sdram_size_calc(plat);
/*
* If size is less than zero, this is invalid/weird value from
@@ -700,8 +672,80 @@ int ddr_calibration_sequence(void)
if (of_sdram_firewall_setup(gd->fdt_blob))
puts("FW: Error Configuring Firewall\n");
- if (sdram_is_ecc_enabled())
+ if (sdram_is_ecc_enabled(plat))
sdram_init_ecc_bits(gd->ram_size);
return 0;
}
+
+static int altera_sdram_ofdata_to_platdata(struct udevice *dev)
+{
+ struct altera_sdram_platdata *plat = dev->platdata;
+ fdt_addr_t addr;
+
+ addr = dev_read_addr_index(dev, 0);
+ if (addr == FDT_ADDR_T_NONE)
+ return -EINVAL;
+ plat->iohmc = (void __iomem *)addr;
+
+ addr = dev_read_addr_index(dev, 1);
+ if (addr == FDT_ADDR_T_NONE)
+ return -EINVAL;
+ plat->hmc = (void __iomem *)addr;
+
+ addr = dev_read_addr_index(dev, 2);
+ if (addr == FDT_ADDR_T_NONE)
+ return -EINVAL;
+ plat->ddr_sch = (void __iomem *)addr;
+
+ return 0;
+}
+
+static int altera_sdram_probe(struct udevice *dev)
+{
+ struct altera_sdram_priv *priv = dev_get_priv(dev);
+
+ if (ddr_calibration_sequence(dev->platdata) != 0) {
+ puts("SDRAM init failed.\n");
+ goto failed;
+ }
+
+ priv->info.base = gd->bd->bi_dram[0].start;
+ priv->info.size = gd->ram_size;
+
+ return 0;
+
+failed:
+ return -ENODEV;
+}
+
+static int altera_sdram_get_info(struct udevice *dev,
+ struct ram_info *info)
+{
+ struct altera_sdram_priv *priv = dev_get_priv(dev);
+
+ info->base = priv->info.base;
+ info->size = priv->info.size;
+
+ return 0;
+}
+
+static struct ram_ops altera_sdram_ops = {
+ .get_info = altera_sdram_get_info,
+};
+
+static const struct udevice_id altera_sdram_ids[] = {
+ { .compatible = "altr,sdr-ctl" },
+ { /* sentinel */ }
+};
+
+U_BOOT_DRIVER(altera_sdram) = {
+ .name = "altr_sdr_ctl",
+ .id = UCLASS_RAM,
+ .of_match = altera_sdram_ids,
+ .ops = &altera_sdram_ops,
+ .ofdata_to_platdata = altera_sdram_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct altera_sdram_platdata),
+ .probe = altera_sdram_probe,
+ .priv_auto_alloc_size = sizeof(struct altera_sdram_priv),
+};
--
2.19.0
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