mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-29 23:53:33 +08:00
ARM: socfpga: Add DDR driver for Arria 10
Add DDR driver support for Arria 10. Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
This commit is contained in:
Tien Fong Chee
Marek Vasut
parent
53faef1e3f
commit
5658a299bd
@ -9,6 +9,8 @@
|
||||
|
||||
#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
|
||||
#include <asm/arch/sdram_gen5.h>
|
||||
#elif defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
|
||||
#include <asm/arch/sdram_arria10.h>
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
@ -7,6 +7,7 @@
|
||||
#define _SOCFPGA_SDRAM_ARRIA10_H_
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
int ddr_calibration_sequence(void);
|
||||
|
||||
struct socfpga_ecc_hmc {
|
||||
u32 ip_rev_id;
|
||||
@ -203,6 +204,7 @@ struct socfpga_io48_mmr {
|
||||
u32 niosreserve1;
|
||||
u32 niosreserve2;
|
||||
};
|
||||
|
||||
#endif /*__ASSEMBLY__*/
|
||||
|
||||
#define IO48_MMR_CTRLCFG0_DB2_BURST_LENGTH_MASK 0x1F000000
|
||||
|
||||
@ -8,4 +8,5 @@
|
||||
|
||||
ifdef CONFIG_ALTERA_SDRAM
|
||||
obj-$(CONFIG_TARGET_SOCFPGA_GEN5) += sdram_gen5.o sequencer.o
|
||||
obj-$(CONFIG_TARGET_SOCFPGA_ARRIA10) += sdram_arria10.o
|
||||
endif
|
||||
|
||||
741
drivers/ddr/altera/sdram_arria10.c
Normal file
741
drivers/ddr/altera/sdram_arria10.c
Normal file
@ -0,0 +1,741 @@
|
||||
/*
|
||||
* Copyright (C) 2017 Intel Corporation <www.intel.com>
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <errno.h>
|
||||
#include <fdtdec.h>
|
||||
#include <malloc.h>
|
||||
#include <wait_bit.h>
|
||||
#include <watchdog.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/arch/fpga_manager.h>
|
||||
#include <asm/arch/misc.h>
|
||||
#include <asm/arch/reset_manager.h>
|
||||
#include <asm/arch/sdram.h>
|
||||
#include <linux/kernel.h>
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
static void sdram_mmr_init(void);
|
||||
static u64 sdram_size_calc(void);
|
||||
|
||||
/* FAWBANK - Number of Bank of a given device involved in the FAW period. */
|
||||
#define ARRIA10_SDR_ACTIVATE_FAWBANK (0x1)
|
||||
|
||||
#define ARRIA_DDR_CONFIG(A, B, C, R) \
|
||||
(((A) << 24) | ((B) << 16) | ((C) << 8) | (R))
|
||||
#define DDR_CONFIG_ELEMENTS ARRAY_SIZE(ddr_config)
|
||||
#define DDR_REG_SEQ2CORE 0xFFD0507C
|
||||
#define DDR_REG_CORE2SEQ 0xFFD05078
|
||||
#define DDR_READ_LATENCY_DELAY 40
|
||||
#define DDR_SIZE_2GB_HEX 0x80000000
|
||||
#define DDR_MAX_TRIES 0x00100000
|
||||
|
||||
#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 */
|
||||
/* All Types */
|
||||
ARRIA_DDR_CONFIG(0, 3, 10, 12),
|
||||
ARRIA_DDR_CONFIG(0, 3, 10, 13),
|
||||
ARRIA_DDR_CONFIG(0, 3, 10, 14),
|
||||
ARRIA_DDR_CONFIG(0, 3, 10, 15),
|
||||
ARRIA_DDR_CONFIG(0, 3, 10, 16),
|
||||
ARRIA_DDR_CONFIG(0, 3, 10, 17),
|
||||
/* LPDDR x16 */
|
||||
ARRIA_DDR_CONFIG(0, 3, 11, 14),
|
||||
ARRIA_DDR_CONFIG(0, 3, 11, 15),
|
||||
ARRIA_DDR_CONFIG(0, 3, 11, 16),
|
||||
ARRIA_DDR_CONFIG(0, 3, 12, 15),
|
||||
/* DDR4 Only */
|
||||
ARRIA_DDR_CONFIG(0, 4, 10, 14),
|
||||
ARRIA_DDR_CONFIG(0, 4, 10, 15),
|
||||
ARRIA_DDR_CONFIG(0, 4, 10, 16),
|
||||
ARRIA_DDR_CONFIG(0, 4, 10, 17), /* 14 */
|
||||
/* Chip - Bank - Row - Column Style */
|
||||
ARRIA_DDR_CONFIG(1, 3, 10, 12),
|
||||
ARRIA_DDR_CONFIG(1, 3, 10, 13),
|
||||
ARRIA_DDR_CONFIG(1, 3, 10, 14),
|
||||
ARRIA_DDR_CONFIG(1, 3, 10, 15),
|
||||
ARRIA_DDR_CONFIG(1, 3, 10, 16),
|
||||
ARRIA_DDR_CONFIG(1, 3, 10, 17),
|
||||
ARRIA_DDR_CONFIG(1, 3, 11, 14),
|
||||
ARRIA_DDR_CONFIG(1, 3, 11, 15),
|
||||
ARRIA_DDR_CONFIG(1, 3, 11, 16),
|
||||
ARRIA_DDR_CONFIG(1, 3, 12, 15),
|
||||
/* DDR4 Only */
|
||||
ARRIA_DDR_CONFIG(1, 4, 10, 14),
|
||||
ARRIA_DDR_CONFIG(1, 4, 10, 15),
|
||||
ARRIA_DDR_CONFIG(1, 4, 10, 16),
|
||||
ARRIA_DDR_CONFIG(1, 4, 10, 17),
|
||||
};
|
||||
|
||||
static int match_ddr_conf(u32 ddr_conf)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < DDR_CONFIG_ELEMENTS; i++) {
|
||||
if (ddr_conf == ddr_config[i])
|
||||
return i;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Check whether SDRAM is successfully Calibrated */
|
||||
static int is_sdram_cal_success(void)
|
||||
{
|
||||
return readl(&socfpga_ecc_hmc_base->ddrcalstat);
|
||||
}
|
||||
|
||||
static unsigned char ddr_get_bit(u32 ereg, unsigned char bit)
|
||||
{
|
||||
u32 reg = readl(ereg);
|
||||
|
||||
return (reg & BIT(bit)) ? 1 : 0;
|
||||
}
|
||||
|
||||
static unsigned char ddr_wait_bit(u32 ereg, u32 bit,
|
||||
u32 expected, u32 timeout_usec)
|
||||
{
|
||||
u32 tmr;
|
||||
|
||||
for (tmr = 0; tmr < timeout_usec; tmr += 100) {
|
||||
udelay(100);
|
||||
WATCHDOG_RESET();
|
||||
if (ddr_get_bit(ereg, bit) == expected)
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int emif_clear(void)
|
||||
{
|
||||
u32 i = DDR_MAX_TRIES;
|
||||
u8 ret = 0;
|
||||
|
||||
writel(0, DDR_REG_CORE2SEQ);
|
||||
|
||||
do {
|
||||
ret = !wait_for_bit_le32((u32 *)DDR_REG_SEQ2CORE,
|
||||
SEQ2CORE_MASK, 1, 50, 0);
|
||||
} while (ret && (--i > 0));
|
||||
|
||||
return !i;
|
||||
}
|
||||
|
||||
static int emif_reset(void)
|
||||
{
|
||||
u32 c2s, s2c;
|
||||
|
||||
c2s = readl(DDR_REG_CORE2SEQ);
|
||||
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));
|
||||
|
||||
if ((s2c & SEQ2CORE_MASK) && emif_clear()) {
|
||||
debug("failed emif_clear()\n");
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
writel(CORE2SEQ_INT_REQ, DDR_REG_CORE2SEQ);
|
||||
|
||||
if (ddr_wait_bit(DDR_REG_SEQ2CORE, SEQ2CORE_INT_RESP_BIT, 0, 1000000)) {
|
||||
debug("emif_reset failed to see interrupt acknowledge\n");
|
||||
return -EPERM;
|
||||
} else {
|
||||
debug("emif_reset interrupt acknowledged\n");
|
||||
}
|
||||
|
||||
if (emif_clear()) {
|
||||
debug("emif_clear() failed\n");
|
||||
return -EPERM;
|
||||
}
|
||||
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));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ddr_setup(void)
|
||||
{
|
||||
int i, j, ddr_setup_complete = 0;
|
||||
|
||||
/* Try 3 times to do a calibration */
|
||||
for (i = 0; (i < 3) && !ddr_setup_complete; i++) {
|
||||
WATCHDOG_RESET();
|
||||
|
||||
/* A delay to wait for calibration bit to set */
|
||||
for (j = 0; (j < 10) && !ddr_setup_complete; j++) {
|
||||
mdelay(500);
|
||||
ddr_setup_complete = is_sdram_cal_success();
|
||||
}
|
||||
|
||||
if (!ddr_setup_complete)
|
||||
if (emif_reset())
|
||||
puts("Error: Failed to reset EMIF\n");
|
||||
}
|
||||
|
||||
/* After 3 times trying calibration */
|
||||
if (!ddr_setup_complete) {
|
||||
puts("Error: Could Not Calibrate SDRAM\n");
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Function to startup the SDRAM*/
|
||||
static int sdram_startup(void)
|
||||
{
|
||||
/* Release NOC ddr scheduler from reset */
|
||||
socfpga_reset_deassert_noc_ddr_scheduler();
|
||||
|
||||
/* Bringup the DDR (calibration and configuration) */
|
||||
return ddr_setup();
|
||||
}
|
||||
|
||||
static u64 sdram_size_calc(void)
|
||||
{
|
||||
u32 dramaddrw = readl(&socfpga_io48_mmr_base->dramaddrw);
|
||||
|
||||
u64 size = BIT(((dramaddrw &
|
||||
IO48_MMR_DRAMADDRW_CFG_CS_ADDR_WIDTH_MASK) >>
|
||||
IO48_MMR_DRAMADDRW_CFG_CS_ADDR_WIDTH_SHIFT) +
|
||||
((dramaddrw &
|
||||
IO48_MMR_DRAMADDRW_CFG_BANK_GROUP_ADDR_WIDTH_MASK) >>
|
||||
IO48_MMR_DRAMADDRW_CFG_BANK_GROUP_ADDR_WIDTH_SHIFT) +
|
||||
((dramaddrw &
|
||||
IO48_MMR_DRAMADDRW_CFG_BANK_ADDR_WIDTH_MASK) >>
|
||||
IO48_MMR_DRAMADDRW_CFG_BANK_ADDR_WIDTH_SHIFT) +
|
||||
((dramaddrw &
|
||||
IO48_MMR_DRAMADDRW_CFG_ROW_ADDR_WIDTH_MASK) >>
|
||||
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) &
|
||||
ALT_ECC_HMC_OCP_DDRIOCTRL_IO_SIZE_MSK));
|
||||
|
||||
debug("SDRAM size=%llu", size);
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
/* Function to initialize SDRAM MMR and NOC DDR scheduler*/
|
||||
static void sdram_mmr_init(void)
|
||||
{
|
||||
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 ddrioctl;
|
||||
|
||||
/*
|
||||
* Configure the DDR IO size [0xFFCFB008]
|
||||
* niosreserve0: Used to indicate DDR width &
|
||||
* bit[7:0] = Number of data bits (0x20 for 32bit)
|
||||
* bit[8] = 1 if user-mode OCT is present
|
||||
* bit[9] = 1 if warm reset compiled into EMIF Cal Code
|
||||
* bit[10] = 1 if warm reset is on during generation in EMIF Cal
|
||||
* niosreserve1: IP ADCDS version encoded as 16 bit value
|
||||
* bit[2:0] = Variant (0=not special,1=FAE beta, 2=Customer beta,
|
||||
* 3=EAP, 4-6 are reserved)
|
||||
* bit[5:3] = Service Pack # (e.g. 1)
|
||||
* bit[9:6] = Minor Release #
|
||||
* bit[14:10] = Major Release #
|
||||
*/
|
||||
if ((socfpga_io48_mmr_base->niosreserve1 >> 6) & 0x1FF) {
|
||||
update_value = readl(&socfpga_io48_mmr_base->niosreserve0);
|
||||
writel(((update_value & 0xFF) >> 5),
|
||||
&socfpga_ecc_hmc_base->ddrioctrl);
|
||||
}
|
||||
|
||||
ddrioctl = readl(&socfpga_ecc_hmc_base->ddrioctrl);
|
||||
|
||||
/* Set the DDR Configuration [0xFFD12400] */
|
||||
io48_value = ARRIA_DDR_CONFIG(
|
||||
((ctrlcfg1 &
|
||||
IO48_MMR_CTRLCFG1_ADDR_ORDER_MASK) >>
|
||||
IO48_MMR_CTRLCFG1_ADDR_ORDER_SHIFT),
|
||||
((dramaddrw &
|
||||
IO48_MMR_DRAMADDRW_CFG_BANK_ADDR_WIDTH_MASK) >>
|
||||
IO48_MMR_DRAMADDRW_CFG_BANK_ADDR_WIDTH_SHIFT) +
|
||||
((dramaddrw &
|
||||
IO48_MMR_DRAMADDRW_CFG_BANK_GROUP_ADDR_WIDTH_MASK) >>
|
||||
IO48_MMR_DRAMADDRW_CFG_BANK_GROUP_ADDR_WIDTH_SHIFT),
|
||||
(dramaddrw &
|
||||
IO48_MMR_DRAMADDRW_CFG_COL_ADDR_WIDTH_MASK),
|
||||
((dramaddrw &
|
||||
IO48_MMR_DRAMADDRW_CFG_ROW_ADDR_WIDTH_MASK) >>
|
||||
IO48_MMR_DRAMADDRW_CFG_ROW_ADDR_WIDTH_SHIFT));
|
||||
|
||||
update_value = match_ddr_conf(io48_value);
|
||||
if (update_value)
|
||||
writel(update_value,
|
||||
&socfpga_noc_ddr_scheduler_base->ddr_t_main_scheduler_ddrconf);
|
||||
|
||||
/*
|
||||
* Configure DDR timing [0xFFD1240C]
|
||||
* RDTOMISS = tRTP + tRP + tRCD - BL/2
|
||||
* WRTOMISS = WL + tWR + tRP + tRCD and
|
||||
* WL = RL + BL/2 + 2 - rd-to-wr ; tWR = 15ns so...
|
||||
* First part of equation is in memory clock units so divide by 2
|
||||
* for HMC clock units. 1066MHz is close to 1ns so use 15 directly.
|
||||
* WRTOMISS = ((RL + BL/2 + 2 + tWR) >> 1)- rd-to-wr + tRP + tRCD
|
||||
*/
|
||||
u32 ctrlcfg0_cfg_ctrl_burst_len =
|
||||
(ctrlcfg0 & IO48_MMR_CTRLCFG0_CTRL_BURST_LENGTH_MASK) >>
|
||||
IO48_MMR_CTRLCFG0_CTRL_BURST_LENGTH_SHIFT;
|
||||
|
||||
u32 caltim0_cfg_act_to_rdwr = caltim0 &
|
||||
IO48_MMR_CALTIMING0_CFG_ACT_TO_RDWR_MASK;
|
||||
|
||||
u32 caltim0_cfg_act_to_act =
|
||||
(caltim0 & IO48_MMR_CALTIMING0_CFG_ACT_TO_ACT_MASK) >>
|
||||
IO48_MMR_CALTIMING0_CFG_ACT_TO_ACT_SHIFT;
|
||||
|
||||
u32 caltim0_cfg_act_to_act_db =
|
||||
(caltim0 &
|
||||
IO48_MMR_CALTIMING0_CFG_ACT_TO_ACT_DIFF_BANK_MASK) >>
|
||||
IO48_MMR_CALTIMING0_CFG_ACT_TO_ACT_DIFF_BANK_SHIFT;
|
||||
|
||||
u32 caltim1_cfg_rd_to_wr =
|
||||
(caltim1 & IO48_MMR_CALTIMING1_CFG_RD_TO_WR_MASK) >>
|
||||
IO48_MMR_CALTIMING1_CFG_RD_TO_WR_SHIFT;
|
||||
|
||||
u32 caltim1_cfg_rd_to_rd_dc =
|
||||
(caltim1 & IO48_MMR_CALTIMING1_CFG_RD_TO_RD_DC_MASK) >>
|
||||
IO48_MMR_CALTIMING1_CFG_RD_TO_RD_DC_SHIFT;
|
||||
|
||||
u32 caltim1_cfg_rd_to_wr_dc =
|
||||
(caltim1 & IO48_MMR_CALTIMING1_CFG_RD_TO_WR_DIFF_CHIP_MASK) >>
|
||||
IO48_MMR_CALTIMING1_CFG_RD_TO_WR_DIFF_CHIP_SHIFT;
|
||||
|
||||
u32 caltim2_cfg_rd_to_pch =
|
||||
(caltim2 & IO48_MMR_CALTIMING2_CFG_RD_TO_PCH_MASK) >>
|
||||
IO48_MMR_CALTIMING2_CFG_RD_TO_PCH_SHIFT;
|
||||
|
||||
u32 caltim3_cfg_wr_to_rd =
|
||||
(caltim3 & IO48_MMR_CALTIMING3_CFG_WR_TO_RD_MASK) >>
|
||||
IO48_MMR_CALTIMING3_CFG_WR_TO_RD_SHIFT;
|
||||
|
||||
u32 caltim3_cfg_wr_to_rd_dc =
|
||||
(caltim3 & IO48_MMR_CALTIMING3_CFG_WR_TO_RD_DIFF_CHIP_MASK) >>
|
||||
IO48_MMR_CALTIMING3_CFG_WR_TO_RD_DIFF_CHIP_SHIFT;
|
||||
|
||||
u32 caltim4_cfg_pch_to_valid =
|
||||
(caltim4 & IO48_MMR_CALTIMING4_CFG_PCH_TO_VALID_MASK) >>
|
||||
IO48_MMR_CALTIMING4_CFG_PCH_TO_VALID_SHIFT;
|
||||
|
||||
u32 caltim9_cfg_4_act_to_act = caltim9 &
|
||||
IO48_MMR_CALTIMING9_CFG_WR_4_ACT_TO_ACT_MASK;
|
||||
|
||||
update_value = (caltim2_cfg_rd_to_pch + caltim4_cfg_pch_to_valid +
|
||||
caltim0_cfg_act_to_rdwr -
|
||||
(ctrlcfg0_cfg_ctrl_burst_len >> 2));
|
||||
|
||||
io48_value = ((((socfpga_io48_mmr_base->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 */
|
||||
caltim1_cfg_rd_to_wr + caltim0_cfg_act_to_rdwr +
|
||||
caltim4_cfg_pch_to_valid);
|
||||
|
||||
writel(((caltim0_cfg_act_to_act <<
|
||||
ALT_NOC_MPU_DDR_T_SCHED_DDRTIMING_ACTTOACT_LSB) |
|
||||
(update_value <<
|
||||
ALT_NOC_MPU_DDR_T_SCHED_DDRTIMING_RDTOMISS_LSB) |
|
||||
(io48_value <<
|
||||
ALT_NOC_MPU_DDR_T_SCHED_DDRTIMING_WRTOMISS_LSB) |
|
||||
((ctrlcfg0_cfg_ctrl_burst_len >> 2) <<
|
||||
ALT_NOC_MPU_DDR_T_SCHED_DDRTIMING_BURSTLEN_LSB) |
|
||||
(caltim1_cfg_rd_to_wr <<
|
||||
ALT_NOC_MPU_DDR_T_SCHED_DDRTIMING_RDTOWR_LSB) |
|
||||
(caltim3_cfg_wr_to_rd <<
|
||||
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);
|
||||
|
||||
/* 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);
|
||||
|
||||
/* Configure the read latency [0xFFD12414] */
|
||||
writel(((socfpga_io48_mmr_base->dramtiming0 &
|
||||
ALT_IO48_DRAMTIME_MEM_READ_LATENCY_MASK) >> 1) +
|
||||
DDR_READ_LATENCY_DELAY,
|
||||
&socfpga_noc_ddr_scheduler_base->
|
||||
ddr_t_main_scheduler_readlatency);
|
||||
|
||||
/*
|
||||
* Configuring timing values concerning activate commands
|
||||
* [0xFFD12438] [FAWBANK alway 1 because always 4 bank DDR]
|
||||
*/
|
||||
writel(((caltim0_cfg_act_to_act_db <<
|
||||
ALT_NOC_MPU_DDR_T_SCHED_ACTIVATE_RRD_LSB) |
|
||||
(caltim9_cfg_4_act_to_act <<
|
||||
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);
|
||||
|
||||
/*
|
||||
* Configuring timing values concerning device to device data bus
|
||||
* ownership change [0xFFD1243C]
|
||||
*/
|
||||
writel(((caltim1_cfg_rd_to_rd_dc <<
|
||||
ALT_NOC_MPU_DDR_T_SCHED_DEVTODEV_BUSRDTORD_LSB) |
|
||||
(caltim1_cfg_rd_to_wr_dc <<
|
||||
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);
|
||||
|
||||
/* Enable or disable the SDRAM ECC */
|
||||
if (ctrlcfg1 & IO48_MMR_CTRLCFG1_CTRL_ENABLE_ECC) {
|
||||
setbits_le32(&socfpga_ecc_hmc_base->eccctrl,
|
||||
(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,
|
||||
(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,
|
||||
(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,
|
||||
(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,
|
||||
(ALT_ECC_HMC_OCP_ECCCTL2_RMW_EN_SET_MSK |
|
||||
ALT_ECC_HMC_OCP_ECCCTL2_AWB_EN_SET_MSK));
|
||||
}
|
||||
}
|
||||
|
||||
struct firewall_entry {
|
||||
const char *prop_name;
|
||||
const u32 cfg_addr;
|
||||
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_L3_ADDRESS_OFFSET(ADDR) \
|
||||
(SOCFPGA_SDR_FIREWALL_L3_ADDRESS + \
|
||||
offsetof(struct socfpga_noc_fw_ddr_l3, ADDR))
|
||||
|
||||
const struct firewall_entry firewall_table[] = {
|
||||
{
|
||||
"mpu0",
|
||||
SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(mpuregion0addr),
|
||||
SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
|
||||
ALT_NOC_FW_DDR_SCR_EN_MPUREG0EN_SET_MSK
|
||||
},
|
||||
{
|
||||
"mpu1",
|
||||
SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS +
|
||||
SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(mpuregion1addr),
|
||||
SOCFPGA_SDR_FIREWALL_MPU_FPGA_ADDRESS_OFFSET(enable),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
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),
|
||||
ALT_NOC_FW_DDR_SCR_EN_F2SDR2REG3EN_SET_MSK
|
||||
},
|
||||
|
||||
};
|
||||
|
||||
static int of_sdram_firewall_setup(const void *blob)
|
||||
{
|
||||
int child, i, node, ret;
|
||||
u32 start_end[2];
|
||||
char name[32];
|
||||
|
||||
node = fdtdec_next_compatible(blob, 0, COMPAT_ALTERA_SOCFPGA_NOC);
|
||||
if (node < 0)
|
||||
return -ENXIO;
|
||||
|
||||
child = fdt_first_subnode(blob, node);
|
||||
if (child < 0)
|
||||
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);
|
||||
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(firewall_table); i++) {
|
||||
sprintf(name, "%s", firewall_table[i].prop_name);
|
||||
ret = fdtdec_get_int_array(blob, child, name,
|
||||
start_end, 2);
|
||||
if (ret) {
|
||||
sprintf(name, "altr,%s", firewall_table[i].prop_name);
|
||||
ret = fdtdec_get_int_array(blob, child, name,
|
||||
start_end, 2);
|
||||
if (ret)
|
||||
continue;
|
||||
}
|
||||
|
||||
writel((start_end[0] & ALT_NOC_FW_DDR_ADDR_MASK) |
|
||||
(start_end[1] << ALT_NOC_FW_DDR_END_ADDR_LSB),
|
||||
firewall_table[i].cfg_addr);
|
||||
setbits_le32(firewall_table[i].en_addr,
|
||||
firewall_table[i].en_bit);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ddr_calibration_sequence(void)
|
||||
{
|
||||
WATCHDOG_RESET();
|
||||
|
||||
/* Check to see if SDRAM cal was success */
|
||||
if (sdram_startup()) {
|
||||
puts("DDRCAL: Failed\n");
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
puts("DDRCAL: Success\n");
|
||||
|
||||
WATCHDOG_RESET();
|
||||
|
||||
/* initialize the MMR register */
|
||||
sdram_mmr_init();
|
||||
|
||||
/* assigning the SDRAM size */
|
||||
u64 size = sdram_size_calc();
|
||||
|
||||
/*
|
||||
* If size is less than zero, this is invalid/weird value from
|
||||
* calculation, use default Config size.
|
||||
* Up to 2GB is supported, 2GB would be used if more than that.
|
||||
*/
|
||||
if (size <= 0)
|
||||
gd->ram_size = PHYS_SDRAM_1_SIZE;
|
||||
else if (DDR_SIZE_2GB_HEX <= size)
|
||||
gd->ram_size = DDR_SIZE_2GB_HEX;
|
||||
else
|
||||
gd->ram_size = (u32)size;
|
||||
|
||||
/* setup the dram info within bd */
|
||||
dram_init_banksize();
|
||||
|
||||
if (of_sdram_firewall_setup(gd->fdt_blob))
|
||||
puts("FW: Error Configuring Firewall\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void dram_bank_mmu_setup(int bank)
|
||||
{
|
||||
bd_t *bd = gd->bd;
|
||||
int i;
|
||||
|
||||
debug("%s: bank: %d\n", __func__, bank);
|
||||
for (i = bd->bi_dram[bank].start >> 20;
|
||||
i < (bd->bi_dram[bank].start + bd->bi_dram[bank].size) >> 20;
|
||||
i++) {
|
||||
#if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH)
|
||||
set_section_dcache(i, DCACHE_WRITETHROUGH);
|
||||
#else
|
||||
set_section_dcache(i, DCACHE_WRITEBACK);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* same as above but just that we would want cacheable for ocram too */
|
||||
i = CONFIG_SYS_INIT_RAM_ADDR >> 20;
|
||||
#if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH)
|
||||
set_section_dcache(i, DCACHE_WRITETHROUGH);
|
||||
#else
|
||||
set_section_dcache(i, DCACHE_WRITEBACK);
|
||||
#endif
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user