emi.c File Reference

#include <device/mmio.h>
#include <soc/dramc_param.h>
#include <soc/dramc_pi_api.h>
#include <soc/dramc_register.h>
#include <soc/emi.h>
#include <soc/infracfg.h>
#include <soc/mt6358.h>
#include <soc/spm.h>

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Data Structures
struct	optimize_ac_time
struct	shuffle_reg_addr

Macros
#define	AO_SHU_ADDR(s, e)
#define	PHY_SHU_ADDR(s, e)

Functions
void	dramc_set_broadcast (u32 onoff)
u32	dramc_get_broadcast (void)
u32	get_shu_freq (u8 shu)
static u64	get_ch_rank_size (u8 chn, u8 rank)
void	dramc_get_rank_size (u64 *dram_rank_size)
size_t	sdram_size (void)
static void	set_rank_info_to_conf (const struct sdram_params *params)
void	cbt_mrr_pinmux_mapping (void)
void	set_mrr_pinmux_mapping (void)
static void	global_option_init (const struct sdram_params *params)
static void	set_vcore_voltage (u8 freq_group)
static void	set_vdram1_vddq_voltage (void)
static void	emi_esl_setting1 (void)
static void	emi_esl_setting2 (void)
static void	emi_init (const struct sdram_params *params)
static void	emi_init2 (const struct sdram_params *params)
static void	dramc_init_pre_settings (void)
static void	dramc_ac_timing_optimize (u8 freq_group, u8 density)
static void	spm_pinmux_setting (void)
static void	dfs_init_for_calibration (const struct sdram_params *params, u8 freq_group, struct dram_shared_data *shared)
static void	init_dram (const struct sdram_params *params, u8 freq_group, struct dram_shared_data *shared)
void	enable_emi_dcm (void)
static void	dramc_save_result_to_shuffle (u32 src_shuffle, u32 dst_shuffle)
static int	run_calib (const struct dramc_param *dparam, struct dram_shared_data *shared, const int shuffle, bool *first_run)
static void	after_calib (const struct mr_value *mr, u32 rk_num)
int	mt_set_emi (const struct dramc_param *dparam)

Variables
static const u8	freq_shuffle [DRAM_DFS_SHUFFLE_MAX]
static const u8	freq_shuffle_emcp [DRAM_DFS_SHUFFLE_MAX]
static const u32	frequency_table [LP4X_DDRFREQ_MAX]
static const u32	vcore_lp4x [LP4X_DDRFREQ_MAX]
struct emi_regs *	emi_regs = (void *)EMI_BASE
const u8	phy_mapping [CHANNEL_MAX][16]
static const struct shuffle_reg_addr	dramc_regs []
static const struct shuffle_reg_addr	phy_regs []

Macro Definition Documentation

AO_SHU_ADDR

#define AO_SHU_ADDR	(		s,
			e
	)

Value:

        { \
                .start = offsetof(struct dramc_ao_regs_shu, s), \
                .end = offsetof(struct dramc_ao_regs_shu, e), \
        }

Definition at line 483 of file emi.c.

PHY_SHU_ADDR

#define PHY_SHU_ADDR	(		s,
			e
	)

Value:

        { \
                .start = offsetof(struct ddrphy_ao_shu, s), \
                .end = offsetof(struct ddrphy_ao_shu, e), \
        }

Definition at line 497 of file emi.c.

Function Documentation

after_calib()

static void after_calib ( const struct mr_value *  mr, u32  rk_num  )

static

Definition at line 616 of file emi.c.

References dramc_apply_config_after_calibration(), and dramc_runtime_config().

Referenced by mt_set_emi().

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cbt_mrr_pinmux_mapping()

void cbt_mrr_pinmux_mapping

(

void

)

Definition at line 160 of file emi.c.

References ch, CHANNEL_MAX, phy_mapping, and write32().

Referenced by dramc_cmd_bus_training().

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dfs_init_for_calibration()

static void dfs_init_for_calibration ( const struct sdram_params *  params, u8  freq_group, struct dram_shared_data *  shared  )

static

Definition at line 443 of file emi.c.

References dramc_apply_config_before_calibration(), dramc_init(), and params.

Referenced by run_calib().

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dramc_ac_timing_optimize()

static void dramc_ac_timing_optimize ( u8  freq_group, u8  density  )

static

Definition at line 335 of file emi.c.

References ch, CHANNEL_MAX, clrsetbits32, dramc_dbg, dramc_err, LP4X_DDR1600, LP4X_DDR2400, LP4X_DDR3200, LP4X_DDR3600, LP4X_DDRFREQ_MAX, optimize_ac_time::trfc, optimize_ac_time::trfc_pb, optimize_ac_time::trfrc_05t, optimize_ac_time::trfrc_pb05t, and optimize_ac_time::tx_ref_cnt.

Referenced by run_calib().

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dramc_get_broadcast()

u32 dramc_get_broadcast

(

void

)

Definition at line 64 of file emi.c.

References mt8183_infracfg_regs::dramc_wbr, mt8183_infracfg, and read32().

Referenced by auto_refresh_cke_off(), dramc_mode_reg_init(), and dramc_sw_impedance_cal().

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dramc_get_rank_size()

void dramc_get_rank_size

(

u64 *

dram_rank_size

)

Definition at line 93 of file emi.c.

References CHANNEL_A, CHANNEL_B, emi_regs::cona, emi_regs::conh, get_ch_rank_size(), RANK_0, RANK_1, and read32().

Referenced by mt_mem_test(), and sdram_size().

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dramc_init_pre_settings()

static void dramc_init_pre_settings ( void  )

static

Definition at line 323 of file emi.c.

References ch, clrbits32, clrsetbits32, and setbits32.

Referenced by init_dram().

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dramc_save_result_to_shuffle()

static void dramc_save_result_to_shuffle ( u32  src_shuffle, u32  dst_shuffle  )

static

Definition at line 520 of file emi.c.

References ARRAY_SIZE, ch, CHANNEL_MAX, clrsetbits32, DRAM_DFS_SHUFFLE_2, DRAM_DFS_SHUFFLE_3, dramc_dbg, dramc_regs, shuffle_reg_addr::end, offset, phy_regs, read32(), shuffle_reg_addr::start, value, and write32().

Referenced by run_calib().

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dramc_set_broadcast()

void dramc_set_broadcast

(

u32

onoff

)

Definition at line 59 of file emi.c.

References mt8183_infracfg_regs::dramc_wbr, mt8183_infracfg, and write32().

Referenced by auto_refresh_cke_off(), dramc_mode_reg_init(), dramc_sw_impedance_cal(), dramc_sw_impedance_save_reg(), emi_esl_setting1(), emi_esl_setting2(), init_dram(), and update_initial_settings().

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emi_esl_setting1()

static void emi_esl_setting1 ( void  )

static

Definition at line 219 of file emi.c.

References emi_regs::arba, emi_regs::arbb, emi_regs::arbc, emi_regs::arbd, emi_regs::arbe, emi_regs::arbf, emi_regs::arbg, emi_regs::arbh, emi_regs::arbi, emi_regs::arbi_2nd, ch, emi_regs::cona, emi_regs::conb, emi_regs::conc, emi_regs::cond, emi_regs::cone, emi_regs::conf, emi_regs::cong, emi_regs::conh, emi_regs::coni, emi_regs::conm, emi_regs::conn, DRAMC_BROADCAST_OFF, DRAMC_BROADCAST_ON, dramc_set_broadcast(), emi_regs::iocl, emi_regs::iocl_2nd, emi_regs::iocm, emi_regs::iocm_2nd, emi_regs::mdct, emi_regs::mdct_2nd, emi_regs::slct, emi_regs::testb, emi_regs::testc, emi_regs::testd, and write32().

Referenced by emi_init().

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emi_esl_setting2()

static void emi_esl_setting2 ( void  )

static

Definition at line 281 of file emi.c.

References ch, emi_regs::conm, DRAMC_BROADCAST_OFF, DRAMC_BROADCAST_ON, dramc_set_broadcast(), and write32().

Referenced by emi_init2().

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emi_init()

static void emi_init ( const struct sdram_params *  params )

static

Definition at line 291 of file emi.c.

References ch, CHANNEL_A, CHANNEL_MAX, emi_regs::cona, emi_regs::conf, emi_regs::conh, emi_esl_setting1(), params, and write32().

Referenced by init_dram().

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emi_init2()

static void emi_init2 ( const struct sdram_params *  params )

static

Definition at line 305 of file emi.c.

References emi_regs::bwct0, emi_regs::bwct0_2nd, emi_regs::bwct0_3rd, emi_regs::bwct0_4th, emi_regs::bwct0_5th, CONFIG, emi_esl_setting2(), emi_mpu, emi_mpu_regs::mpu_ctrl_d, setbits32, and write32().

Referenced by init_dram().

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enable_emi_dcm()

void enable_emi_dcm

(

void

)

Definition at line 469 of file emi.c.

Referenced by dramc_runtime_config().

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get_ch_rank_size()

static u64 get_ch_rank_size ( u8  chn, u8  rank  )

static

Definition at line 76 of file emi.c.

References emi_regs::cona, and read32().

Referenced by dramc_get_rank_size().

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get_shu_freq()

u32 get_shu_freq

(

u8

shu

)

Definition at line 69 of file emi.c.

References CONFIG, freq_shuffle, freq_shuffle_emcp, and frequency_table.

Referenced by dramc_dqs_precalculation_preset(), and dramc_hw_dqsosc().

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global_option_init()

static void global_option_init ( const struct sdram_params *  params )

static

Definition at line 195 of file emi.c.

References params, set_mrr_pinmux_mapping(), and set_rank_info_to_conf().

Referenced by init_dram().

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init_dram()

static void init_dram ( const struct sdram_params *  params, u8  freq_group, struct dram_shared_data *  shared  )

static

Definition at line 451 of file emi.c.

References dramc_apply_config_before_calibration(), DRAMC_BROADCAST_ON, dramc_init(), dramc_init_pre_settings(), dramc_set_broadcast(), dramc_sw_impedance_cal(), emi_init(), emi_init2(), global_option_init(), dram_shared_data::impedance, ODT_OFF, ODT_ON, params, and spm_pinmux_setting().

Referenced by run_calib().

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mt_set_emi()

int mt_set_emi

(

const struct dramc_param *

dparam

)

Definition at line 622 of file emi.c.

References after_calib(), dramc_param_header::config, DRAM_DFS_SHUFFLE_1, DRAM_DFS_SHUFFLE_2, DRAM_DFS_SHUFFLE_3, DRAMC_CONFIG_DVFS, dramc_param::freq_params, dramc_param::header, dram_shared_data::mr, sdram_params::rank_num, run_calib(), and set_vdram1_vddq_voltage().

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run_calib()

static int run_calib ( const struct dramc_param *  dparam, struct dram_shared_data *  shared, const int  shuffle, bool *  first_run  )

static

Definition at line 578 of file emi.c.

References dramc_param_header::config, CONFIG, dfs_init_for_calibration(), DRAM_DFS_SHUFFLE_1, dramc_ac_timing_optimize(), dramc_calibrate_all_channels(), DRAMC_CONFIG_DVFS, dramc_dbg, dramc_save_result_to_shuffle(), dramc_show, dramc_param::freq_params, freq_shuffle, freq_shuffle_emcp, frequency_table, get_dram_info_after_cal(), dramc_param::header, init_dram(), dram_shared_data::mr, params, and set_vcore_voltage().

Referenced by mt_set_emi().

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sdram_size()

size_t sdram_size

(

void

)

Definition at line 140 of file emi.c.

References dramc_get_rank_size(), and RANK_MAX.

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set_mrr_pinmux_mapping()

void set_mrr_pinmux_mapping

(

void

)

Definition at line 173 of file emi.c.

References ch, CHANNEL_MAX, phy_mapping, and write32().

Referenced by dramc_cmd_bus_training(), and global_option_init().

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set_rank_info_to_conf()

static void set_rank_info_to_conf ( const struct sdram_params *  params )

static

Definition at line 153 of file emi.c.

References ch, clrsetbits32, is_dual_rank(), and params.

Referenced by global_option_init().

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set_vcore_voltage()

static void set_vcore_voltage ( u8  freq_group )

static

Definition at line 201 of file emi.c.

References dramc_dbg, frequency_table, pmic_set_vcore_vol(), and vcore_lp4x.

Referenced by run_calib().

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set_vdram1_vddq_voltage()

static void set_vdram1_vddq_voltage ( void  )

static

Definition at line 209 of file emi.c.

References dramc_dbg, pmic_set_vddq_vol(), and pmic_set_vdram1_vol().

Referenced by mt_set_emi().

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spm_pinmux_setting()

static void spm_pinmux_setting ( void  )

static

Definition at line 434 of file emi.c.

References clrbits32, clrsetbits32, mtk_spm_regs::dramc_dpy_clk_sw_con_sel, mtk_spm_regs::dramc_dpy_clk_sw_con_sel2, mtk_spm, mtk_spm_regs::pcm_pwr_io_en, mtk_spm_regs::poweron_config_set, and write32().

Referenced by init_dram().

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Variable Documentation

dramc_regs

const struct shuffle_reg_addr dramc_regs[]

static

Initial value:

= {
        AO_SHU_ADDR(actim, hwset_vrcg),
        AO_SHU_ADDR(rk[0], rk[0].dqs2dq_cal5),
        AO_SHU_ADDR(rk[1], rk[1].dqs2dq_cal5),
        AO_SHU_ADDR(rk[2], rk[2].dqs2dq_cal5),
        AO_SHU_ADDR(dqsg_retry, dqsg_retry),
}

Definition at line 469 of file emi.c.

Referenced by dramc_save_result_to_shuffle().

emi_regs

struct emi_regs* emi_regs = (void *)EMI_BASE

Definition at line 38 of file emi.c.

freq_shuffle

const u8 freq_shuffle[DRAM_DFS_SHUFFLE_MAX]

static

Initial value:

= {
        [DRAM_DFS_SHUFFLE_1] = LP4X_DDR3200,
        [DRAM_DFS_SHUFFLE_2] = LP4X_DDR2400,
        [DRAM_DFS_SHUFFLE_3] = LP4X_DDR1600,
}

Definition at line 12 of file emi.c.

Referenced by get_shu_freq(), and run_calib().

freq_shuffle_emcp

const u8 freq_shuffle_emcp[DRAM_DFS_SHUFFLE_MAX]

static

Initial value:

= {
        [DRAM_DFS_SHUFFLE_1] = LP4X_DDR3600,
        [DRAM_DFS_SHUFFLE_2] = LP4X_DDR3200,
        [DRAM_DFS_SHUFFLE_3] = LP4X_DDR1600,
}

Definition at line 18 of file emi.c.

Referenced by get_shu_freq(), and run_calib().

frequency_table

const u32 frequency_table[LP4X_DDRFREQ_MAX]

static

Initial value:

= {
        [LP4X_DDR1600] = 1600,
        [LP4X_DDR2400] = 2400,
        [LP4X_DDR3200] = 3200,
        [LP4X_DDR3600] = 3600,
}

Definition at line 24 of file emi.c.

Referenced by get_shu_freq(), run_calib(), and set_vcore_voltage().

phy_mapping

const u8 phy_mapping[CHANNEL_MAX][16]

Initial value:

= {
        [CHANNEL_A] = {
                1, 0, 2, 4, 3, 7, 5, 6,
                9, 8, 12, 11, 10, 15, 13, 14
        },
 
        [CHANNEL_B] = {
                0, 1, 5, 6, 3, 7, 4, 2,
                9, 8, 12, 15, 11, 14, 13, 10
        }
}

Definition at line 39 of file emi.c.

Referenced by cbt_mrr_pinmux_mapping(), dramc_rx_rd_dqc_init(), get_cbt_vref_pinmux_value(), and set_mrr_pinmux_mapping().

phy_regs

const struct shuffle_reg_addr phy_regs[]

static

Initial value:

= {
        PHY_SHU_ADDR(b[0], b[0].dll[1]),
        PHY_SHU_ADDR(b[1], b[1].dll[1]),
        PHY_SHU_ADDR(ca_cmd, ca_dll[1]),
        PHY_SHU_ADDR(pll[0], pll[15]),
        PHY_SHU_ADDR(pll20, misc0),
        PHY_SHU_ADDR(rk[0].b[0], rk[0].b[0].rsvd_20[3]),
        PHY_SHU_ADDR(rk[0].b[1], rk[0].b[1].rsvd_20[3]),
        PHY_SHU_ADDR(rk[0].ca_cmd, rk[0].rsvd_22[1]),
        PHY_SHU_ADDR(rk[1].b[0], rk[1].b[0].rsvd_20[3]),
        PHY_SHU_ADDR(rk[1].b[1], rk[1].b[1].rsvd_20[3]),
        PHY_SHU_ADDR(rk[1].ca_cmd, rk[1].rsvd_22[1]),
        PHY_SHU_ADDR(rk[2].b[0], rk[2].b[0].rsvd_20[3]),
        PHY_SHU_ADDR(rk[2].b[1], rk[2].b[1].rsvd_20[3]),
        PHY_SHU_ADDR(rk[2].ca_cmd, rk[2].rsvd_22[1]),
}

Definition at line 469 of file emi.c.

Referenced by dramc_save_result_to_shuffle().

vcore_lp4x

const u32 vcore_lp4x[LP4X_DDRFREQ_MAX]

static

Initial value:

= {
        [LP4X_DDR1600] = 725000,
        [LP4X_DDR2400] = 725000,
        [LP4X_DDR3200] = 762500,
        [LP4X_DDR3600] = 800000,
}

Definition at line 31 of file emi.c.

Referenced by set_vcore_voltage().