diff options
Diffstat (limited to 'board/freescale/ls1012aqds/ls1012aqds.c')
| -rw-r--r-- | board/freescale/ls1012aqds/ls1012aqds.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/board/freescale/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c new file mode 100644 index 0000000..71eea82 --- /dev/null +++ b/board/freescale/ls1012aqds/ls1012aqds.c @@ -0,0 +1,234 @@ +/* + * Copyright 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <i2c.h> +#include <fdt_support.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/fsl_serdes.h> +#include <asm/arch/fdt.h> +#include <asm/arch/soc.h> +#include <ahci.h> +#include <hwconfig.h> +#include <mmc.h> +#include <scsi.h> +#include <fm_eth.h> +#include <fsl_csu.h> +#include <fsl_esdhc.h> +#include <fsl_mmdc.h> +#include <spl.h> +#include <netdev.h> + +#include "../common/qixis.h" +#include "ls1012aqds_qixis.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) +{ + char buf[64]; + u8 sw; + + sw = QIXIS_READ(arch); + printf("Board Arch: V%d, ", sw >> 4); + printf("Board version: %c, boot from ", (sw & 0xf) + 'A' - 1); + + sw = QIXIS_READ(brdcfg[QIXIS_LBMAP_BRDCFG_REG]); + + if (sw & QIXIS_LBMAP_ALTBANK) + printf("flash: 2\n"); + else + printf("flash: 1\n"); + + printf("FPGA: v%d (%s), build %d", + (int)QIXIS_READ(scver), qixis_read_tag(buf), + (int)qixis_read_minor()); + + /* the timestamp string contains "\n" at the end */ + printf(" on %s", qixis_read_time(buf)); + 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_early_init_f(void) +{ + fsl_lsch2_early_init_f(); + + return 0; +} + +#ifdef CONFIG_MISC_INIT_R +int misc_init_r(void) +{ + u8 mux_sdhc_cd = 0x80; + + i2c_set_bus_num(0); + + i2c_write(CONFIG_SYS_I2C_FPGA_ADDR, 0x5a, 1, &mux_sdhc_cd, 1); + return 0; +} +#endif + +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_LAYERSCAPE_NS_ACCESS + enable_layerscape_ns_access(); +#endif + +#ifdef CONFIG_ENV_IS_NOWHERE + gd->env_addr = (ulong)&default_environment[0]; +#endif + return 0; +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} + +#ifdef CONFIG_OF_BOARD_SETUP +int ft_board_setup(void *blob, bd_t *bd) +{ + arch_fixup_fdt(blob); + + ft_cpu_setup(blob, bd); + + return 0; +} +#endif |