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-rw-r--r--board/freescale/ls1012aqds/ls1012aqds.c234
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