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/*
* Copyright 2016 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <i2c.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/soc.h>
#include <hwconfig.h>
#include <fsl_csu.h>
#include <environment.h>
#include <fsl_mmdc.h>
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
static void set_wait_for_bits_clear(void *ptr, u32 value, u32 bits)
{
int timeout = 1000;
out_be32(ptr, value);
while (in_be32(ptr) & bits) {
udelay(100);
timeout--;
}
if (timeout <= 0)
puts("Error: wait for clear timeout.\n");
}
int checkboard(void)
{
puts("Board: LS1012AFRDM ");
return 0;
}
void mmdc_init(void)
{
struct mmdc_p_regs *mmdc =
(struct mmdc_p_regs *)CONFIG_SYS_FSL_DDR_ADDR;
out_be32(&mmdc->mdscr, CONFIGURATION_REQ);
/* configure timing parms */
out_be32(&mmdc->mdotc, CONFIG_SYS_MMDC_CORE_ODT_TIMING);
out_be32(&mmdc->mdcfg0, CONFIG_SYS_MMDC_CORE_TIMING_CFG_0);
out_be32(&mmdc->mdcfg1, CONFIG_SYS_MMDC_CORE_TIMING_CFG_1);
out_be32(&mmdc->mdcfg2, CONFIG_SYS_MMDC_CORE_TIMING_CFG_2);
/* other parms */
out_be32(&mmdc->mdmisc, CONFIG_SYS_MMDC_CORE_MISC);
out_be32(&mmdc->mpmur0, CONFIG_SYS_MMDC_PHY_MEASURE_UNIT);
out_be32(&mmdc->mdrwd, CONFIG_SYS_MMDC_CORE_RDWR_CMD_DELAY);
out_be32(&mmdc->mpodtctrl, CONFIG_SYS_MMDC_PHY_ODT_CTRL);
/* out of reset delays */
out_be32(&mmdc->mdor, CONFIG_SYS_MMDC_CORE_OUT_OF_RESET_DELAY);
/* physical parms */
out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_1);
out_be32(&mmdc->mdasp, CONFIG_SYS_MMDC_CORE_ADDR_PARTITION);
/* Enable MMDC */
out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_2);
/* dram init sequence: update MRs */
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x8) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_2));
out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
CMD_BANK_ADDR_3));
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1));
out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x19) |
CMD_ADDR_LSB_MR_ADDR(0x30) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_0));
/* dram init sequence: ZQCL */
out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ |
CMD_ZQ_CALIBRATION | CMD_BANK_ADDR_0));
set_wait_for_bits_clear(&mmdc->mpzqhwctrl,
CONFIG_SYS_MMDC_PHY_ZQ_HW_CTRL,
FORCE_ZQ_AUTO_CALIBRATION);
/* Calibrations now: wr lvl */
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x84) |
CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
CMD_BANK_ADDR_1));
out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | WL_EN | CMD_NORMAL));
set_wait_for_bits_clear(&mmdc->mpwlgcr, WR_LVL_HW_EN, WR_LVL_HW_EN);
mdelay(1);
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1));
out_be32(&mmdc->mdscr, CONFIGURATION_REQ);
mdelay(1);
/* Calibrations now: Read DQS gating calibration */
out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ |
CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0));
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3));
out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN);
out_be32(&mmdc->mprddlctl, CONFIG_SYS_MMDC_PHY_RD_DLY_LINES_CFG);
set_wait_for_bits_clear(&mmdc->mpdgctrl0,
AUTO_RD_DQS_GATING_CALIBRATION_EN,
AUTO_RD_DQS_GATING_CALIBRATION_EN);
out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
CMD_BANK_ADDR_3));
/* Calibrations now: Read calibration */
out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ |
CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0));
out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3));
out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN);
set_wait_for_bits_clear(&mmdc->mprddlhwctl,
AUTO_RD_CALIBRATION_EN,
AUTO_RD_CALIBRATION_EN);
out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
CMD_BANK_ADDR_3));
/* PD, SR */
out_be32(&mmdc->mdpdc, CONFIG_SYS_MMDC_CORE_PWR_DOWN_CTRL);
out_be32(&mmdc->mapsr, CONFIG_SYS_MMDC_CORE_PWR_SAV_CTRL_STAT);
/* refresh scheme */
set_wait_for_bits_clear(&mmdc->mdref,
CONFIG_SYS_MMDC_CORE_REFRESH_CTL,
START_REFRESH);
/* disable CON_REQ */
out_be32(&mmdc->mdscr, DISABLE_CFG_REQ);
}
int dram_init(void)
{
mmdc_init();
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
int board_eth_init(bd_t *bis)
{
return pci_eth_init(bis);
}
int board_early_init_f(void)
{
fsl_lsch2_early_init_f();
return 0;
}
int board_init(void)
{
struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
/*
* Set CCI-400 control override register to enable barrier
* transaction
*/
out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
#ifdef CONFIG_ENV_IS_NOWHERE
gd->env_addr = (ulong)&default_environment[0];
#endif
#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
enable_layerscape_ns_access();
#endif
return 0;
}
int ft_board_setup(void *blob, bd_t *bd)
{
arch_fixup_fdt(blob);
ft_cpu_setup(blob, bd);
return 0;
}
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