sdram.h File Reference

#include <types.h>

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Data Structures
struct	rk3399_ddr_pctl_regs
struct	rk3399_ddr_publ_regs
struct	rk3399_ddr_pi_regs
union	noc_ddrtiminga0
union	noc_ddrtimingb0
union	noc_ddrtimingc0
union	noc_devtodev0
union	noc_ddrmode
struct	rk3399_msch_regs
struct	rk3399_msch_timings
struct	rk3399_ddr_cic_regs
struct	rk3399_sdram_channel
struct	rk3399_sdram_params

Macros
#define	START   (1)
#define	PWRUP_SREFRESH_EXIT   (1 << 16)
#define	MEM_RST_VALID   (1)
#define	PI_CA_TRAINING   (1 << 0)
#define	PI_WRITE_LEVELING   (1 << 1)
#define	PI_READ_GATE_TRAINING   (1 << 2)
#define	PI_READ_LEVELING   (1 << 3)
#define	PI_WDQ_LEVELING   (1 << 4)
#define	PI_FULL_TRAINING   (0xff)

Enumerations
enum	{   DDR3 = 3 , LPDDR2 = 5 , LPDDR3 = 6 , LPDDR4 = 7 ,   UNUSED = 0xFF }

Functions
void	sdram_init (const struct rk3399_sdram_params *sdram_params)
u32	sdram_get_ram_code (void)
const struct rk3399_sdram_params *	get_sdram_config (void)
size_t	sdram_size_mb (void)

Macro Definition Documentation

MEM_RST_VALID

#define MEM_RST_VALID   (1)

Definition at line 136 of file sdram.h.

PI_CA_TRAINING

#define PI_CA_TRAINING   (1 << 0)

Definition at line 175 of file sdram.h.

PI_FULL_TRAINING

#define PI_FULL_TRAINING   (0xff)

Definition at line 180 of file sdram.h.

PI_READ_GATE_TRAINING

#define PI_READ_GATE_TRAINING   (1 << 2)

Definition at line 177 of file sdram.h.

PI_READ_LEVELING

#define PI_READ_LEVELING   (1 << 3)

Definition at line 178 of file sdram.h.

PI_WDQ_LEVELING

#define PI_WDQ_LEVELING   (1 << 4)

Definition at line 179 of file sdram.h.

PI_WRITE_LEVELING

#define PI_WRITE_LEVELING   (1 << 1)

Definition at line 176 of file sdram.h.

PWRUP_SREFRESH_EXIT

#define PWRUP_SREFRESH_EXIT   (1 << 16)

Definition at line 133 of file sdram.h.

START

#define START   (1)

Definition at line 130 of file sdram.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
DDR3
LPDDR2
LPDDR3
LPDDR4
UNUSED

Definition at line 8 of file sdram.h.

Function Documentation

get_sdram_config()

const struct rk3399_sdram_params* get_sdram_config

(

void

)

Definition at line 85 of file sdram_configs.c.

References ARRAY_SIZE, BIOS_SPEW, cbfs_load(), die(), rk3288_sdram_params::dramtype, get_sdram_target_mhz(), sdram_params::MemoryType, name, NULL, NvBootMemoryType_Unused, params, printk, ram_code(), sdram_configs, sdram_get_ram_code(), snprintf(), type, TYPE_INVALID, and UNUSED.

Referenced by main(), mt_mem_init(), mt_mem_init_run(), platform_romstage_main(), and romstage().

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sdram_get_ram_code()

u32 sdram_get_ram_code

(

void

)

Definition at line 601 of file sdram.c.

References misc, apbmisc::pp_strapping_opt_a, PP_STRAPPING_OPT_A_RAM_CODE_MASK, PP_STRAPPING_OPT_A_RAM_CODE_SHIFT, read32(), and TEGRA_APB_MISC_BASE.

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sdram_init()

void sdram_init

(

const struct rk3399_sdram_params *

sdram_params

)

Definition at line 1109 of file sdram.c.

References BIOS_ERR, BIOS_INFO, board_reset(), data_training(), DDR3, die(), dram_all_config(), LPDDR3, LPDDR4, MHz, params, pctl_cfg(), phy_dll_bypass_set(), phy_pctrl_reset(), PI_FULL_TRAINING, printk, rk3399_ddr_publ, rkclk_configure_ddr(), set_ddrconfig(), switch_to_phy_index1(), and udelay().

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sdram_size_mb()

size_t sdram_size_mb

(

void

)

Definition at line 24 of file sdram.c.