diff options
Diffstat (limited to 'board/freescale/ls1012ardb/ls1012ardb.c')
| -rw-r--r-- | board/freescale/ls1012ardb/ls1012ardb.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c new file mode 100644 index 0000000000..f69768d24e --- /dev/null +++ b/board/freescale/ls1012ardb/ls1012ardb.c @@ -0,0 +1,224 @@ +/* + * 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 <ahci.h> +#include <mmc.h> +#include <scsi.h> +#include <fsl_csu.h> +#include <fsl_esdhc.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) +{ + u8 in1; + + puts("Board: LS1012ARDB "); + + /* Initialize i2c early for Serial flash bank information */ + i2c_set_bus_num(0); + + if (i2c_read(I2C_MUX_IO1_ADDR, 1, 1, &in1, 1) < 0) { + printf("Error reading i2c boot information!\n"); + return 0; /* Don't want to hang() on this error */ + } + + puts("Version"); + if ((in1 & (~__SW_REV_MASK)) == __SW_REV_A) + puts(": RevA"); + else if ((in1 & (~__SW_REV_MASK)) == __SW_REV_B) + puts(": RevB"); + else + puts(": unknown"); + + printf(", boot from QSPI"); + if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_EMU) + puts(": emu\n"); + else if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_BANK1) + puts(": bank1\n"); + else if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_BANK2) + puts(": bank2\n"); + else + puts("unknown\n"); + + 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; +} |