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path: root/drivers/ddr/marvell/a38x/ddr3_a38x.c
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Diffstat (limited to 'drivers/ddr/marvell/a38x/ddr3_a38x.c')
-rw-r--r--drivers/ddr/marvell/a38x/ddr3_a38x.c741
1 files changed, 741 insertions, 0 deletions
diff --git a/drivers/ddr/marvell/a38x/ddr3_a38x.c b/drivers/ddr/marvell/a38x/ddr3_a38x.c
new file mode 100644
index 00000000000..f4699076e83
--- /dev/null
+++ b/drivers/ddr/marvell/a38x/ddr3_a38x.c
@@ -0,0 +1,741 @@
+/*
+ * Copyright (C) Marvell International Ltd. and its affiliates
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+#include "ddr3_init.h"
+
+#define A38X_NUMBER_OF_INTERFACES 5
+
+#define SAR_DEV_ID_OFFS 27
+#define SAR_DEV_ID_MASK 0x7
+
+/* Termal Sensor Registers */
+#define TSEN_STATE_REG 0xe4070
+#define TSEN_STATE_OFFSET 31
+#define TSEN_STATE_MASK (0x1 << TSEN_STATE_OFFSET)
+#define TSEN_CONF_REG 0xe4074
+#define TSEN_CONF_RST_OFFSET 8
+#define TSEN_CONF_RST_MASK (0x1 << TSEN_CONF_RST_OFFSET)
+#define TSEN_STATUS_REG 0xe4078
+#define TSEN_STATUS_READOUT_VALID_OFFSET 10
+#define TSEN_STATUS_READOUT_VALID_MASK (0x1 << \
+ TSEN_STATUS_READOUT_VALID_OFFSET)
+#define TSEN_STATUS_TEMP_OUT_OFFSET 0
+#define TSEN_STATUS_TEMP_OUT_MASK (0x3ff << TSEN_STATUS_TEMP_OUT_OFFSET)
+
+static struct dfx_access interface_map[] = {
+ /* Pipe Client */
+ { 0, 17 },
+ { 1, 7 },
+ { 1, 11 },
+ { 0, 3 },
+ { 1, 25 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 }
+};
+
+/* This array hold the board round trip delay (DQ and CK) per <interface,bus> */
+struct trip_delay_element a38x_board_round_trip_delay_array[] = {
+ /* 1st board */
+ /* Interface bus DQS-delay CK-delay */
+ { 3952, 5060 },
+ { 3192, 4493 },
+ { 4785, 6677 },
+ { 3413, 7267 },
+ { 4282, 6086 }, /* ECC PUP */
+ { 3952, 5134 },
+ { 3192, 4567 },
+ { 4785, 6751 },
+ { 3413, 7341 },
+ { 4282, 6160 }, /* ECC PUP */
+
+ /* 2nd board */
+ /* Interface bus DQS-delay CK-delay */
+ { 3952, 5060 },
+ { 3192, 4493 },
+ { 4785, 6677 },
+ { 3413, 7267 },
+ { 4282, 6086 }, /* ECC PUP */
+ { 3952, 5134 },
+ { 3192, 4567 },
+ { 4785, 6751 },
+ { 3413, 7341 },
+ { 4282, 6160 } /* ECC PUP */
+};
+
+#ifdef STATIC_ALGO_SUPPORT
+/* package trace */
+static struct trip_delay_element a38x_package_round_trip_delay_array[] = {
+ /* IF BUS DQ_DELAY CK_DELAY */
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 }
+};
+
+static int a38x_silicon_delay_offset[] = {
+ /* board 0 */
+ 0,
+ /* board 1 */
+ 0,
+ /* board 2 */
+ 0
+};
+#endif
+
+static u8 a38x_bw_per_freq[DDR_FREQ_LIMIT] = {
+ 0x3, /* DDR_FREQ_100 */
+ 0x4, /* DDR_FREQ_400 */
+ 0x4, /* DDR_FREQ_533 */
+ 0x5, /* DDR_FREQ_667 */
+ 0x5, /* DDR_FREQ_800 */
+ 0x5, /* DDR_FREQ_933 */
+ 0x5, /* DDR_FREQ_1066 */
+ 0x3, /* DDR_FREQ_311 */
+ 0x3, /* DDR_FREQ_333 */
+ 0x4, /* DDR_FREQ_467 */
+ 0x5, /* DDR_FREQ_850 */
+ 0x5, /* DDR_FREQ_600 */
+ 0x3, /* DDR_FREQ_300 */
+ 0x5, /* DDR_FREQ_900 */
+ 0x3, /* DDR_FREQ_360 */
+ 0x5 /* DDR_FREQ_1000 */
+};
+
+static u8 a38x_rate_per_freq[DDR_FREQ_LIMIT] = {
+ /*TBD*/ 0x1, /* DDR_FREQ_100 */
+ 0x2, /* DDR_FREQ_400 */
+ 0x2, /* DDR_FREQ_533 */
+ 0x2, /* DDR_FREQ_667 */
+ 0x2, /* DDR_FREQ_800 */
+ 0x3, /* DDR_FREQ_933 */
+ 0x3, /* DDR_FREQ_1066 */
+ 0x1, /* DDR_FREQ_311 */
+ 0x1, /* DDR_FREQ_333 */
+ 0x2, /* DDR_FREQ_467 */
+ 0x2, /* DDR_FREQ_850 */
+ 0x2, /* DDR_FREQ_600 */
+ 0x1, /* DDR_FREQ_300 */
+ 0x2, /* DDR_FREQ_900 */
+ 0x1, /* DDR_FREQ_360 */
+ 0x2 /* DDR_FREQ_1000 */
+};
+
+static u16 a38x_vco_freq_per_sar[] = {
+ 666, /* 0 */
+ 1332,
+ 800,
+ 1600,
+ 1066,
+ 2132,
+ 1200,
+ 2400,
+ 1332,
+ 1332,
+ 1500,
+ 1500,
+ 1600, /* 12 */
+ 1600,
+ 1700,
+ 1700,
+ 1866,
+ 1866,
+ 1800, /* 18 */
+ 2000,
+ 2000,
+ 4000,
+ 2132,
+ 2132,
+ 2300,
+ 2300,
+ 2400,
+ 2400,
+ 2500,
+ 2500,
+ 800
+};
+
+u32 pipe_multicast_mask;
+
+u32 dq_bit_map_2_phy_pin[] = {
+ 1, 0, 2, 6, 9, 8, 3, 7, /* 0 */
+ 8, 9, 1, 7, 2, 6, 3, 0, /* 1 */
+ 3, 9, 7, 8, 1, 0, 2, 6, /* 2 */
+ 1, 0, 6, 2, 8, 3, 7, 9, /* 3 */
+ 0, 1, 2, 9, 7, 8, 3, 6, /* 4 */
+};
+
+static int ddr3_tip_a38x_set_divider(u8 dev_num, u32 if_id,
+ enum hws_ddr_freq freq);
+
+/*
+ * Read temperature TJ value
+ */
+u32 ddr3_ctrl_get_junc_temp(u8 dev_num)
+{
+ int reg = 0;
+
+ /* Initiates TSEN hardware reset once */
+ if ((reg_read(TSEN_CONF_REG) & TSEN_CONF_RST_MASK) == 0)
+ reg_bit_set(TSEN_CONF_REG, TSEN_CONF_RST_MASK);
+ mdelay(10);
+
+ /* Check if the readout field is valid */
+ if ((reg_read(TSEN_STATUS_REG) & TSEN_STATUS_READOUT_VALID_MASK) == 0) {
+ printf("%s: TSEN not ready\n", __func__);
+ return 0;
+ }
+
+ reg = reg_read(TSEN_STATUS_REG);
+ reg = (reg & TSEN_STATUS_TEMP_OUT_MASK) >> TSEN_STATUS_TEMP_OUT_OFFSET;
+
+ return ((((10000 * reg) / 21445) * 1000) - 272674) / 1000;
+}
+
+/*
+ * Name: ddr3_tip_a38x_get_freq_config.
+ * Desc:
+ * Args:
+ * Notes:
+ * Returns: MV_OK if success, other error code if fail.
+ */
+int ddr3_tip_a38x_get_freq_config(u8 dev_num, enum hws_ddr_freq freq,
+ struct hws_tip_freq_config_info
+ *freq_config_info)
+{
+ if (a38x_bw_per_freq[freq] == 0xff)
+ return MV_NOT_SUPPORTED;
+
+ if (freq_config_info == NULL)
+ return MV_BAD_PARAM;
+
+ freq_config_info->bw_per_freq = a38x_bw_per_freq[freq];
+ freq_config_info->rate_per_freq = a38x_rate_per_freq[freq];
+ freq_config_info->is_supported = 1;
+
+ return MV_OK;
+}
+
+/*
+ * Name: ddr3_tip_a38x_pipe_enable.
+ * Desc:
+ * Args:
+ * Notes:
+ * Returns: MV_OK if success, other error code if fail.
+ */
+int ddr3_tip_a38x_pipe_enable(u8 dev_num, enum hws_access_type interface_access,
+ u32 if_id, int enable)
+{
+ u32 data_value, pipe_enable_mask = 0;
+
+ if (enable == 0) {
+ pipe_enable_mask = 0;
+ } else {
+ if (interface_access == ACCESS_TYPE_MULTICAST)
+ pipe_enable_mask = pipe_multicast_mask;
+ else
+ pipe_enable_mask = (1 << interface_map[if_id].pipe);
+ }
+
+ CHECK_STATUS(ddr3_tip_reg_read
+ (dev_num, PIPE_ENABLE_ADDR, &data_value, MASK_ALL_BITS));
+ data_value = (data_value & (~0xff)) | pipe_enable_mask;
+ CHECK_STATUS(ddr3_tip_reg_write(dev_num, PIPE_ENABLE_ADDR, data_value));
+
+ return MV_OK;
+}
+
+/*
+ * Name: ddr3_tip_a38x_if_write.
+ * Desc:
+ * Args:
+ * Notes:
+ * Returns: MV_OK if success, other error code if fail.
+ */
+int ddr3_tip_a38x_if_write(u8 dev_num, enum hws_access_type interface_access,
+ u32 if_id, u32 reg_addr, u32 data_value,
+ u32 mask)
+{
+ u32 ui_data_read;
+
+ if (mask != MASK_ALL_BITS) {
+ CHECK_STATUS(ddr3_tip_a38x_if_read
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, reg_addr,
+ &ui_data_read, MASK_ALL_BITS));
+ data_value = (ui_data_read & (~mask)) | (data_value & mask);
+ }
+
+ reg_write(reg_addr, data_value);
+
+ return MV_OK;
+}
+
+/*
+ * Name: ddr3_tip_a38x_if_read.
+ * Desc:
+ * Args:
+ * Notes:
+ * Returns: MV_OK if success, other error code if fail.
+ */
+int ddr3_tip_a38x_if_read(u8 dev_num, enum hws_access_type interface_access,
+ u32 if_id, u32 reg_addr, u32 *data, u32 mask)
+{
+ *data = reg_read(reg_addr) & mask;
+
+ return MV_OK;
+}
+
+/*
+ * Name: ddr3_tip_a38x_select_ddr_controller.
+ * Desc: Enable/Disable access to Marvell's server.
+ * Args: dev_num - device number
+ * enable - whether to enable or disable the server
+ * Notes:
+ * Returns: MV_OK if success, other error code if fail.
+ */
+int ddr3_tip_a38x_select_ddr_controller(u8 dev_num, int enable)
+{
+ u32 reg;
+
+ reg = reg_read(CS_ENABLE_REG);
+
+ if (enable)
+ reg |= (1 << 6);
+ else
+ reg &= ~(1 << 6);
+
+ reg_write(CS_ENABLE_REG, reg);
+
+ return MV_OK;
+}
+
+/*
+ * Name: ddr3_tip_init_a38x_silicon.
+ * Desc: init Training SW DB.
+ * Args:
+ * Notes:
+ * Returns: MV_OK if success, other error code if fail.
+ */
+static int ddr3_tip_init_a38x_silicon(u32 dev_num, u32 board_id)
+{
+ struct hws_tip_config_func_db config_func;
+ enum hws_ddr_freq ddr_freq;
+ int status;
+ struct hws_topology_map *tm = ddr3_get_topology_map();
+
+ /* new read leveling version */
+ config_func.tip_dunit_read_func = ddr3_tip_a38x_if_read;
+ config_func.tip_dunit_write_func = ddr3_tip_a38x_if_write;
+ config_func.tip_dunit_mux_select_func =
+ ddr3_tip_a38x_select_ddr_controller;
+ config_func.tip_get_freq_config_info_func =
+ ddr3_tip_a38x_get_freq_config;
+ config_func.tip_set_freq_divider_func = ddr3_tip_a38x_set_divider;
+ config_func.tip_get_device_info_func = ddr3_tip_a38x_get_device_info;
+ config_func.tip_get_temperature = ddr3_ctrl_get_junc_temp;
+
+ ddr3_tip_init_config_func(dev_num, &config_func);
+
+ ddr3_tip_register_dq_table(dev_num, dq_bit_map_2_phy_pin);
+
+#ifdef STATIC_ALGO_SUPPORT
+ {
+ struct hws_tip_static_config_info static_config;
+ u32 board_offset =
+ board_id * A38X_NUMBER_OF_INTERFACES *
+ tm->num_of_bus_per_interface;
+
+ static_config.silicon_delay =
+ a38x_silicon_delay_offset[board_id];
+ static_config.package_trace_arr =
+ a38x_package_round_trip_delay_array;
+ static_config.board_trace_arr =
+ &a38x_board_round_trip_delay_array[board_offset];
+ ddr3_tip_init_static_config_db(dev_num, &static_config);
+ }
+#endif
+ status = ddr3_tip_a38x_get_init_freq(dev_num, &ddr_freq);
+ if (MV_OK != status) {
+ DEBUG_TRAINING_ACCESS(DEBUG_LEVEL_ERROR,
+ ("DDR3 silicon get target frequency - FAILED 0x%x\n",
+ status));
+ return status;
+ }
+
+ rl_version = 1;
+ mask_tune_func = (SET_LOW_FREQ_MASK_BIT |
+ LOAD_PATTERN_MASK_BIT |
+ SET_MEDIUM_FREQ_MASK_BIT | WRITE_LEVELING_MASK_BIT |
+ /* LOAD_PATTERN_2_MASK_BIT | */
+ WRITE_LEVELING_SUPP_MASK_BIT |
+ READ_LEVELING_MASK_BIT |
+ PBS_RX_MASK_BIT |
+ PBS_TX_MASK_BIT |
+ SET_TARGET_FREQ_MASK_BIT |
+ WRITE_LEVELING_TF_MASK_BIT |
+ WRITE_LEVELING_SUPP_TF_MASK_BIT |
+ READ_LEVELING_TF_MASK_BIT |
+ CENTRALIZATION_RX_MASK_BIT |
+ CENTRALIZATION_TX_MASK_BIT);
+ rl_mid_freq_wa = 1;
+
+ if ((ddr_freq == DDR_FREQ_333) || (ddr_freq == DDR_FREQ_400)) {
+ mask_tune_func = (WRITE_LEVELING_MASK_BIT |
+ LOAD_PATTERN_2_MASK_BIT |
+ WRITE_LEVELING_SUPP_MASK_BIT |
+ READ_LEVELING_MASK_BIT |
+ PBS_RX_MASK_BIT |
+ PBS_TX_MASK_BIT |
+ CENTRALIZATION_RX_MASK_BIT |
+ CENTRALIZATION_TX_MASK_BIT);
+ rl_mid_freq_wa = 0; /* WA not needed if 333/400 is TF */
+ }
+
+ /* Supplementary not supported for ECC modes */
+ if (1 == ddr3_if_ecc_enabled()) {
+ mask_tune_func &= ~WRITE_LEVELING_SUPP_TF_MASK_BIT;
+ mask_tune_func &= ~WRITE_LEVELING_SUPP_MASK_BIT;
+ mask_tune_func &= ~PBS_TX_MASK_BIT;
+ mask_tune_func &= ~PBS_RX_MASK_BIT;
+ }
+
+ if (ck_delay == -1)
+ ck_delay = 160;
+ if (ck_delay_16 == -1)
+ ck_delay_16 = 160;
+ ca_delay = 0;
+ delay_enable = 1;
+
+ calibration_update_control = 1;
+
+ init_freq = tm->interface_params[first_active_if].memory_freq;
+
+ ddr3_tip_a38x_get_medium_freq(dev_num, &medium_freq);
+
+ return MV_OK;
+}
+
+int ddr3_a38x_update_topology_map(u32 dev_num, struct hws_topology_map *tm)
+{
+ u32 if_id = 0;
+ enum hws_ddr_freq freq;
+
+ ddr3_tip_a38x_get_init_freq(dev_num, &freq);
+ tm->interface_params[if_id].memory_freq = freq;
+
+ /*
+ * re-calc topology parameters according to topology updates
+ * (if needed)
+ */
+ CHECK_STATUS(hws_ddr3_tip_load_topology_map(dev_num, tm));
+
+ return MV_OK;
+}
+
+int ddr3_tip_init_a38x(u32 dev_num, u32 board_id)
+{
+ struct hws_topology_map *tm = ddr3_get_topology_map();
+
+ if (NULL == tm)
+ return MV_FAIL;
+
+ ddr3_a38x_update_topology_map(dev_num, tm);
+ ddr3_tip_init_a38x_silicon(dev_num, board_id);
+
+ return MV_OK;
+}
+
+int ddr3_tip_a38x_get_init_freq(int dev_num, enum hws_ddr_freq *freq)
+{
+ u32 reg;
+
+ /* Read sample at reset setting */
+ reg = (reg_read(REG_DEVICE_SAR1_ADDR) >>
+ RST2_CPU_DDR_CLOCK_SELECT_IN_OFFSET) &
+ RST2_CPU_DDR_CLOCK_SELECT_IN_MASK;
+ switch (reg) {
+ case 0x0:
+ case 0x1:
+ *freq = DDR_FREQ_333;
+ break;
+ case 0x2:
+ case 0x3:
+ *freq = DDR_FREQ_400;
+ break;
+ case 0x4:
+ case 0xd:
+ *freq = DDR_FREQ_533;
+ break;
+ case 0x6:
+ *freq = DDR_FREQ_600;
+ break;
+ case 0x8:
+ case 0x11:
+ case 0x14:
+ *freq = DDR_FREQ_667;
+ break;
+ case 0xc:
+ case 0x15:
+ case 0x1b:
+ *freq = DDR_FREQ_800;
+ break;
+ case 0x10:
+ *freq = DDR_FREQ_933;
+ break;
+ case 0x12:
+ *freq = DDR_FREQ_900;
+ break;
+ case 0x13:
+ *freq = DDR_FREQ_900;
+ break;
+ default:
+ *freq = 0;
+ return MV_NOT_SUPPORTED;
+ }
+
+ return MV_OK;
+}
+
+int ddr3_tip_a38x_get_medium_freq(int dev_num, enum hws_ddr_freq *freq)
+{
+ u32 reg;
+
+ /* Read sample at reset setting */
+ reg = (reg_read(REG_DEVICE_SAR1_ADDR) >>
+ RST2_CPU_DDR_CLOCK_SELECT_IN_OFFSET) &
+ RST2_CPU_DDR_CLOCK_SELECT_IN_MASK;
+ switch (reg) {
+ case 0x0:
+ case 0x1:
+ /* Medium is same as TF to run PBS in this freq */
+ *freq = DDR_FREQ_333;
+ break;
+ case 0x2:
+ case 0x3:
+ /* Medium is same as TF to run PBS in this freq */
+ *freq = DDR_FREQ_400;
+ break;
+ case 0x4:
+ case 0xd:
+ *freq = DDR_FREQ_533;
+ break;
+ case 0x8:
+ case 0x11:
+ case 0x14:
+ *freq = DDR_FREQ_333;
+ break;
+ case 0xc:
+ case 0x15:
+ case 0x1b:
+ *freq = DDR_FREQ_400;
+ break;
+ case 0x6:
+ *freq = DDR_FREQ_300;
+ break;
+ case 0x12:
+ *freq = DDR_FREQ_360;
+ break;
+ case 0x13:
+ *freq = DDR_FREQ_400;
+ break;
+ default:
+ *freq = 0;
+ return MV_NOT_SUPPORTED;
+ }
+
+ return MV_OK;
+}
+
+u32 ddr3_tip_get_init_freq(void)
+{
+ enum hws_ddr_freq freq;
+
+ ddr3_tip_a38x_get_init_freq(0, &freq);
+
+ return freq;
+}
+
+static int ddr3_tip_a38x_set_divider(u8 dev_num, u32 if_id,
+ enum hws_ddr_freq frequency)
+{
+ u32 divider = 0;
+ u32 sar_val;
+
+ if (if_id != 0) {
+ DEBUG_TRAINING_ACCESS(DEBUG_LEVEL_ERROR,
+ ("A38x does not support interface 0x%x\n",
+ if_id));
+ return MV_BAD_PARAM;
+ }
+
+ /* get VCO freq index */
+ sar_val = (reg_read(REG_DEVICE_SAR1_ADDR) >>
+ RST2_CPU_DDR_CLOCK_SELECT_IN_OFFSET) &
+ RST2_CPU_DDR_CLOCK_SELECT_IN_MASK;
+ divider = a38x_vco_freq_per_sar[sar_val] / freq_val[frequency];
+
+ /* Set Sync mode */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0x20220, 0x0,
+ 0x1000));
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe42f4, 0x0,
+ 0x200));
+
+ /* cpupll_clkdiv_reset_mask */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe4264, 0x1f,
+ 0xff));
+
+ /* cpupll_clkdiv_reload_smooth */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe4260,
+ (0x2 << 8), (0xff << 8)));
+
+ /* cpupll_clkdiv_relax_en */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe4260,
+ (0x2 << 24), (0xff << 24)));
+
+ /* write the divider */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe4268,
+ (divider << 8), (0x3f << 8)));
+
+ /* set cpupll_clkdiv_reload_ratio */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe4264,
+ (1 << 8), (1 << 8)));
+
+ /* undet cpupll_clkdiv_reload_ratio */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe4264, 0,
+ (1 << 8)));
+
+ /* clear cpupll_clkdiv_reload_force */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe4260, 0,
+ (0xff << 8)));
+
+ /* clear cpupll_clkdiv_relax_en */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe4260, 0,
+ (0xff << 24)));
+
+ /* clear cpupll_clkdiv_reset_mask */
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0xe4264, 0,
+ 0xff));
+
+ /* Dunit training clock + 1:1 mode */
+ if ((frequency == DDR_FREQ_LOW_FREQ) || (freq_val[frequency] <= 400)) {
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0x18488,
+ (1 << 16), (1 << 16)));
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0x1524,
+ (0 << 15), (1 << 15)));
+ } else {
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0x18488,
+ 0, (1 << 16)));
+ CHECK_STATUS(ddr3_tip_a38x_if_write
+ (dev_num, ACCESS_TYPE_UNICAST, if_id, 0x1524,
+ (1 << 15), (1 << 15)));
+ }
+
+ return MV_OK;
+}
+
+/*
+ * external read from memory
+ */
+int ddr3_tip_ext_read(u32 dev_num, u32 if_id, u32 reg_addr,
+ u32 num_of_bursts, u32 *data)
+{
+ u32 burst_num;
+
+ for (burst_num = 0; burst_num < num_of_bursts * 8; burst_num++)
+ data[burst_num] = readl(reg_addr + 4 * burst_num);
+
+ return MV_OK;
+}
+
+/*
+ * external write to memory
+ */
+int ddr3_tip_ext_write(u32 dev_num, u32 if_id, u32 reg_addr,
+ u32 num_of_bursts, u32 *data) {
+ u32 burst_num;
+
+ for (burst_num = 0; burst_num < num_of_bursts * 8; burst_num++)
+ writel(data[burst_num], reg_addr + 4 * burst_num);
+
+ return MV_OK;
+}
+
+int ddr3_silicon_pre_init(void)
+{
+ int result;
+
+ result = ddr3_silicon_init();
+
+ return result;
+}
+
+int ddr3_post_run_alg(void)
+{
+ return MV_OK;
+}
+
+int ddr3_silicon_post_init(void)
+{
+ struct hws_topology_map *tm = ddr3_get_topology_map();
+
+ /* Set half bus width */
+ if (DDR3_IS_16BIT_DRAM_MODE(tm->bus_act_mask)) {
+ CHECK_STATUS(ddr3_tip_if_write
+ (0, ACCESS_TYPE_UNICAST, PARAM_NOT_CARE,
+ REG_SDRAM_CONFIG_ADDR, 0x0, 0x8000));
+ }
+
+ return MV_OK;
+}
+
+int ddr3_tip_a38x_get_device_info(u8 dev_num, struct ddr3_device_info *info_ptr)
+{
+ info_ptr->device_id = 0x6800;
+ info_ptr->ck_delay = ck_delay;
+
+ return MV_OK;
+}