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Diffstat (limited to '')
| -rw-r--r-- | include/drivers/nxp/ddr/ddr.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/include/drivers/nxp/ddr/ddr.h b/include/drivers/nxp/ddr/ddr.h new file mode 100644 index 0000000..0ef2870 --- /dev/null +++ b/include/drivers/nxp/ddr/ddr.h @@ -0,0 +1,151 @@ +/* + * Copyright 2021 NXP + * + * SPDX-License-Identifier: BSD-3-Clause + * + */ + +#ifndef DDR_H +#define DDR_H + +#include "ddr_io.h" +#include "dimm.h" +#include "immap.h" + +#ifndef DDRC_NUM_CS +#define DDRC_NUM_CS 4 +#endif + +/* + * This is irrespective of what is the number of DDR controller, + * number of DIMM used. This is set to maximum + * Max controllers = 2 + * Max num of DIMM per controlle = 2 + * MAX NUM CS = 4 + * Not to be changed. + */ +#define MAX_DDRC_NUM 2 +#define MAX_DIMM_NUM 2 +#define MAX_CS_NUM 4 + +#include "opts.h" +#include "regs.h" +#include "utility.h" + +#ifdef DDR_DEBUG +#define debug(...) INFO(__VA_ARGS__) +#else +#define debug(...) VERBOSE(__VA_ARGS__) +#endif + +#ifndef DDRC_NUM_DIMM +#define DDRC_NUM_DIMM 1 +#endif + +#define CONFIG_CS_PER_SLOT \ + (DDRC_NUM_CS / DDRC_NUM_DIMM) + +/* Record of register values computed */ +struct ddr_cfg_regs { + struct { + unsigned int bnds; + unsigned int config; + unsigned int config_2; + } cs[MAX_CS_NUM]; + unsigned int dec[10]; + unsigned int timing_cfg[10]; + unsigned int sdram_cfg[3]; + unsigned int sdram_mode[16]; + unsigned int md_cntl; + unsigned int interval; + unsigned int data_init; + unsigned int clk_cntl; + unsigned int init_addr; + unsigned int init_ext_addr; + unsigned int zq_cntl; + unsigned int wrlvl_cntl[3]; + unsigned int ddr_sr_cntr; + unsigned int sdram_rcw[6]; + unsigned int dq_map[4]; + unsigned int eor; + unsigned int cdr[2]; + unsigned int err_disable; + unsigned int err_int_en; + unsigned int tx_cfg[4]; + unsigned int debug[64]; +}; + +struct ddr_conf { + int dimm_in_use[MAX_DIMM_NUM]; + int cs_in_use; /* bitmask, bit 0 for cs0, bit 1 for cs1, etc. */ + int cs_on_dimm[MAX_DIMM_NUM]; /* bitmask */ + unsigned long long cs_base_addr[MAX_CS_NUM]; + unsigned long long cs_size[MAX_CS_NUM]; + unsigned long long base_addr; + unsigned long long total_mem; +}; + +struct ddr_info { + unsigned long clk; + unsigned long long mem_base; + unsigned int num_ctlrs; + unsigned int dimm_on_ctlr; + struct dimm_params dimm; + struct memctl_opt opt; + struct ddr_conf conf; + struct ddr_cfg_regs ddr_reg; + struct ccsr_ddr *ddr[MAX_DDRC_NUM]; + uint16_t *phy[MAX_DDRC_NUM]; + int *spd_addr; + unsigned int ip_rev; + uintptr_t phy_gen2_fw_img_buf; + void *img_loadr; + int warm_boot_flag; +}; + +struct rc_timing { + unsigned int speed_bin; + unsigned int clk_adj; + unsigned int wrlvl; +}; + +struct board_timing { + unsigned int rc; + struct rc_timing const *p; + unsigned int add1; + unsigned int add2; +}; + +enum warm_boot { + DDR_COLD_BOOT = 0, + DDR_WARM_BOOT = 1, + DDR_WRM_BOOT_NT_SUPPORTED = -1, +}; + +int disable_unused_ddrc(struct ddr_info *priv, int mask, + uintptr_t nxp_ccn_hn_f0_addr); +int ddr_board_options(struct ddr_info *priv); +int compute_ddrc(const unsigned long clk, + const struct memctl_opt *popts, + const struct ddr_conf *conf, + struct ddr_cfg_regs *ddr, + const struct dimm_params *dimm_params, + const unsigned int ip_rev); +int compute_ddr_phy(struct ddr_info *priv); +int ddrc_set_regs(const unsigned long clk, + const struct ddr_cfg_regs *regs, + const struct ccsr_ddr *ddr, + int twopass); +int cal_board_params(struct ddr_info *priv, + const struct board_timing *dimm, + int len); +/* return bit mask of used DIMM(s) */ +int ddr_get_ddr_params(struct dimm_params *pdimm, struct ddr_conf *conf); +long long dram_init(struct ddr_info *priv +#if defined(NXP_HAS_CCN504) || defined(NXP_HAS_CCN508) + , uintptr_t nxp_ccn_hn_f0_addr +#endif + ); +long long board_static_ddr(struct ddr_info *info); + +#endif /* DDR_H */ |