/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2018 Rockchip Electronics Co., Ltd */ #ifndef _ASM_ARCH_SDRAM_COMMON_H #define _ASM_ARCH_SDRAM_COMMON_H #ifndef MHZ #define MHZ (1000 * 1000) #endif #define PATTERN (0x5aa5f00f) #define MIN(a, b) (((a) > (b)) ? (b) : (a)) #define MAX(a, b) (((a) > (b)) ? (a) : (b)) /* get head info for initial */ #define DDR_FREQ_F0_SHIFT (0) #define DDR_FREQ_F1_SHIFT (12) #define DDR_FREQ_F2_SHIFT (0) #define DDR_FREQ_F3_SHIFT (12) #define DDR_FREQ_F4_SHIFT (0) #define DDR_FREQ_F5_SHIFT (12) #define DDR_FREQ_MASK (0xfff) #define UART_INFO_ID_SHIFT (28) #define UART_INFO_IOMUX_SHIFT (24) #define UART_INFO_BAUD_SHIFT (0) #define UART_INFO_ID(n) (((n) >> 28) & 0xf) #define UART_INFO_IOMUX(n) (((n) >> 24) & 0xf) #define UART_INFO_BAUD(n) ((n) & 0xffffff) /* g_ch_info[15:0]: g_stdby_idle */ #define STANDBY_IDLE(n) ((n) & 0xffff) #define SR_INFO(n) (((n) >> 16) & 0xffff) #define PD_INFO(n) ((n) & 0xffff) #define FIRST_SCAN_CH(n) (((n) >> 28) & 0xf) #define CHANNEL_MASK(n) (((n) >> 24) & 0xf) #define STRIDE_TYPE(n) (((n) >> 16) & 0xff) #define DDR_2T_INFO(n) ((n) & 1) #define PLL_SSMOD_SPREAD(n) (((n) >> 1) & 0xff) #define PLL_SSMOD_DIV(n) (((n) >> 9) & 0xff) #define PLL_SSMOD_DOWNSPREAD(n) (((n) >> 17) & 0x3) /* sdram_head_info_v2 define */ /* for *_drv_odten and *_drv_odtoff */ #define PHY_DQ_DRV_SHIFT 0 #define PHY_CA_DRV_SHIFT 8 #define PHY_CLK_DRV_SHIFT 16 #define DRAM_DQ_DRV_SHIFT 24 #define DRV_INFO_PHY_DQ_DRV(n) ((n) & 0xff) #define DRV_INFO_PHY_CA_DRV(n) (((n) >> PHY_CA_DRV_SHIFT) & 0xff) #define DRV_INFO_PHY_CLK_DRV(n) (((n) >> PHY_CLK_DRV_SHIFT) & 0xff) #define DRV_INFO_DRAM_DQ_DRV(n) (((n) >> DRAM_DQ_DRV_SHIFT) & 0xff) /* for *_odt_info */ #define DRAM_ODT_SHIFT 0 #define PHY_ODT_SHIFT 8 #define PHY_ODT_PUUP_EN_SHIFT 18 #define PHY_ODT_PUDN_EN_SHIFT 19 #define ODT_INFO_DRAM_ODT(n) (((n) >> DRAM_ODT_SHIFT) & 0xff) #define ODT_INFO_PHY_ODT(n) (((n) >> PHY_ODT_SHIFT) & 0x3ff) #define ODT_INFO_PULLUP_EN(n) (((n) >> PHY_ODT_PUUP_EN_SHIFT) & 1) #define ODT_INFO_PULLDOWN_EN(n) (((n) >> PHY_ODT_PUDN_EN_SHIFT) & 1) /* for *odt_en_freq; */ #define DRAM_ODT_EN_FREQ_SHIFT 0 #define PHY_ODT_EN_FREQ_SHIFT 12 #define DRAMODT_EN_FREQ(n) (((n) >> DRAM_ODT_EN_FREQ_SHIFT) & \ 0xfff) #define PHYODT_EN_FREQ(n) (((n) >> PHY_ODT_EN_FREQ_SHIFT) & 0xfff) #define PHY_DQ_SR_SHIFT 0 #define PHY_CA_SR_SHIFT 8 #define PHY_CLK_SR_SHIFT 16 #define DQ_SR_INFO(n) (((n) >> PHY_DQ_SR_SHIFT) & 0xff) #define CA_SR_INFO(n) (((n) >> PHY_CA_SR_SHIFT) & 0xff) #define CLK_SR_INFO(n) (((n) >> PHY_CLK_SR_SHIFT) & 0xff) /* LP4 */ #define LP4_CA_ODT_SHIFT (18) #define LP4_DRV_PU_CAL_ODTEN_SHIFT (26) #define LP4_DRV_PU_CAL_ODTOFF_SHIFT (27) #define PHY_LP4_DRV_PULLDOWN_EN_ODTEN_SHIFT (28) #define PHY_LP4_DRV_PULLDOWN_EN_ODTOFF_SHIFT (29) #define ODT_INFO_LP4_CA_ODT(n) (((n) >> LP4_CA_ODT_SHIFT) & \ 0xff) #define LP4_DRV_PU_CAL_ODTEN(n) \ (((n) >> LP4_DRV_PU_CAL_ODTEN_SHIFT) & 1) #define LP4_DRV_PU_CAL_ODTOFF(n) \ (((n) >> LP4_DRV_PU_CAL_ODTOFF_SHIFT) & 1) #define PHY_LP4_DRV_PULLDOWN_EN_ODTEN(n) \ (((n) >> PHY_LP4_DRV_PULLDOWN_EN_ODTEN_SHIFT) & 1) #define PHY_LP4_DRV_PULLDOWN_EN_ODTOFF(n) \ (((n) >> PHY_LP4_DRV_PULLDOWN_EN_ODTOFF_SHIFT) & 1) #define PHY_LP4_CS_DRV_ODTEN_SHIFT (0) #define PHY_LP4_CS_DRV_ODTOFF_SHIFT (8) #define LP4_ODTE_CK_SHIFT (16) #define LP4_ODTE_CS_EN_SHIFT (17) #define LP4_ODTD_CA_EN_SHIFT (18) #define PHY_LP4_CS_DRV_ODTEN(n) \ (((n) >> PHY_LP4_CS_DRV_ODTEN_SHIFT) & 0xff) #define PHY_LP4_CS_DRV_ODTOFF(n) \ (((n) >> PHY_LP4_CS_DRV_ODTOFF_SHIFT) & 0xff) #define LP4_ODTE_CK_EN(n) (((n) >> LP4_ODTE_CK_SHIFT) & 1) #define LP4_ODTE_CS_EN(n) (((n) >> LP4_ODTE_CS_EN_SHIFT) & 1) #define LP4_ODTD_CA_EN(n) (((n) >> LP4_ODTD_CA_EN_SHIFT) & 1) #define PHY_LP4_DQ_VREF_SHIFT (0) #define LP4_DQ_VREF_SHIFT (10) #define LP4_CA_VREF_SHIFT (20) #define PHY_LP4_DQ_VREF(n) \ (((n) >> PHY_LP4_DQ_VREF_SHIFT) & 0x3ff) #define LP4_DQ_VREF(n) (((n) >> LP4_DQ_VREF_SHIFT) & 0x3ff) #define LP4_CA_VREF(n) (((n) >> LP4_CA_VREF_SHIFT) & 0x3ff) #define LP4_DQ_ODT_EN_FREQ_SHIFT (0) #define PHY_LP4_ODT_EN_FREQ_SHIFT (12) #define LP4_CA_ODT_EN_FREQ_SHIFT (0) #define PHY_LP4_ODT_EN_FREQ(n) \ (((n) >> PHY_LP4_ODT_EN_FREQ_SHIFT) & 0xfff) #define LP4_DQ_ODT_EN_FREQ(n) \ (((n) >> LP4_DQ_ODT_EN_FREQ_SHIFT) & 0xfff) #define LP4_CA_ODT_EN_FREQ(n) \ (((n) >> LP4_CA_ODT_EN_FREQ_SHIFT) & 0xfff) struct sdram_head_info_v0 { u32 start_tag; u32 version_info; u32 gcpu_gen_freq; u32 g_d2_lp2_freq; u32 g_d3_lp3_freq; u32 g_d4_lp4_freq; u32 g_uart_info; u32 g_sr_pd_idle; u32 g_ch_info; u32 g_2t_info; u32 reserved11; u32 reserved12; u32 reserved13; }; struct index_info { u8 offset; u8 size; }; struct sdram_head_info_index_v2 { u32 start_tag; u32 version_info; struct index_info cpu_gen_index; struct index_info global_index; struct index_info ddr2_index; struct index_info ddr3_index; struct index_info ddr4_index; struct index_info ddr5_index; struct index_info lp2_index; struct index_info lp3_index; struct index_info lp4_index; struct index_info lp5_index; struct index_info skew_index; struct index_info dq_map_index; struct index_info lp4x_index; struct index_info reserved; }; struct global_info { u32 uart_info; u32 sr_pd_info; u32 ch_info; u32 info_2t; u32 reserved[4]; }; struct ddr2_3_4_lp2_3_info { u32 ddr_freq0_1; u32 ddr_freq2_3; u32 ddr_freq4_5; u32 drv_when_odten; u32 drv_when_odtoff; u32 odt_info; u32 odten_freq; u32 sr_when_odten; u32 sr_when_odtoff; }; struct lp4_info { u32 ddr_freq0_1; u32 ddr_freq2_3; u32 ddr_freq4_5; u32 drv_when_odten; u32 drv_when_odtoff; u32 odt_info; u32 dq_odten_freq; u32 sr_when_odten; u32 sr_when_odtoff; u32 ca_odten_freq; u32 cs_drv_ca_odt_info; u32 vref_when_odten; u32 vref_when_odtoff; }; struct dq_map_info { u32 byte_map[2]; u32 lp3_dq0_7_map; u32 lp2_dq0_7_map; u32 ddr4_dq_map[4]; }; struct sdram_cap_info { unsigned int rank; /* dram column number, 0 means this channel is invalid */ unsigned int col; /* dram bank number, 3:8bank, 2:4bank */ unsigned int bk; /* channel buswidth, 2:32bit, 1:16bit, 0:8bit */ unsigned int bw; /* die buswidth, 2:32bit, 1:16bit, 0:8bit */ unsigned int dbw; /* * row_3_4 = 1: 6Gb or 12Gb die * row_3_4 = 0: normal die, power of 2 */ unsigned int row_3_4; unsigned int cs0_row; unsigned int cs1_row; unsigned int cs0_high16bit_row; unsigned int cs1_high16bit_row; unsigned int ddrconfig; }; struct sdram_base_params { unsigned int ddr_freq; unsigned int dramtype; unsigned int num_channels; unsigned int stride; unsigned int odt; }; #define DDR_SYS_REG_VERSION (0x2) /* for modify tRFC and related timing */ #define DIE_CAP_512MBIT 64 #define DIE_CAP_1GBIT 128 #define DIE_CAP_2GBIT 256 #define DIE_CAP_4GBIT 512 #define DIE_CAP_8GBIT 1024 #define DIE_CAP_16GBIT 2048 #define DIE_CAP_32GBIT 4096 /* * sys_reg2 bitfield struct * [31] row_3_4_ch1 * [30] row_3_4_ch0 * [29:28] chinfo * [27] rank_ch1 * [26:25] col_ch1 * [24] bk_ch1 * [23:22] cs0_row_ch1 * [21:20] cs1_row_ch1 * [19:18] bw_ch1 * [17:16] dbw_ch1; * [15:13] ddrtype * [12] channelnum * [11] rank_ch0 * [10:9] col_ch0 * [8] bk_ch0 * [7:6] cs0_row_ch0 * [5:4] cs1_row_ch0 * [3:2] bw_ch0 * [1:0] dbw_ch0 */ #define SYS_REG_ENC_ROW_3_4(n, ch) ((n) << (30 + (ch))) #define SYS_REG_DEC_ROW_3_4(n, ch) (((n) >> (30 + (ch))) & 0x1) #define SYS_REG_ENC_CHINFO(ch) (1 << (28 + (ch))) #define SYS_REG_ENC_DDRTYPE(n) ((n) << 13) #define SYS_REG_DEC_DDRTYPE(n) (((n) >> 13) & 0x7) #define SYS_REG_ENC_NUM_CH(n) (((n) - 1) << 12) #define SYS_REG_DEC_NUM_CH(n) (1 + (((n) >> 12) & 0x1)) #define SYS_REG_ENC_RANK(n, ch) (((n) - 1) << (11 + ((ch) * 16))) #define SYS_REG_DEC_RANK(n, ch) (1 + (((n) >> (11 + 16 * (ch))) & 0x1)) #define SYS_REG_ENC_COL(n, ch) (((n) - 9) << (9 + ((ch) * 16))) #define SYS_REG_DEC_COL(n, ch) (9 + (((n) >> (9 + 16 * (ch))) & 0x3)) #define SYS_REG_ENC_BK(n, ch) (((n) == 3 ? 0 : 1) << \ (8 + ((ch) * 16))) #define SYS_REG_DEC_BK(n, ch) (3 - (((n) >> (8 + 16 * (ch))) & 0x1)) #define SYS_REG_ENC_BW(n, ch) ((2 >> (n)) << (2 + ((ch) * 16))) #define SYS_REG_DEC_BW(n, ch) (2 >> (((n) >> (2 + 16 * (ch))) & 0x3)) #define SYS_REG_ENC_DBW(n, ch) ((2 >> (n)) << (0 + ((ch) * 16))) #define SYS_REG_DEC_DBW(n, ch) (2 >> (((n) >> (0 + 16 * (ch))) & 0x3)) /* sys reg 3 */ #define SYS_REG_ENC_VERSION(n) ((n) << 28) #define SYS_REG_DEC_VERSION(n) (((n) >> 28) & 0xf) #define SYS_REG_ENC_CS0_ROW(n, os_reg2, os_reg3, ch) do { \ (os_reg2) |= (((n) - 13) & 0x3) << (6 + 16 * (ch)); \ (os_reg3) |= ((((n) - 13) & 0x4) >> 2) << \ (5 + 2 * (ch)); \ } while (0) #define SYS_REG_DEC_CS0_ROW(os_reg2, os_reg3, ch) \ ((((((os_reg2) >> (6 + 16 * (ch)) & 0x3) | \ ((((os_reg3) >> (5 + 2 * (ch))) & 0x1) << 2)) + 1) & 0x7) + 12) #define SYS_REG_ENC_CS1_ROW(n, os_reg2, os_reg3, ch) do { \ (os_reg2) &= (~(0x3 << (4 + 16 * (ch)))); \ (os_reg3) &= (~(0x1 << (4 + 2 * (ch)))); \ (os_reg2) |= (((n) - 13) & 0x3) << (4 + 16 * (ch)); \ (os_reg3) |= ((((n) - 13) & 0x4) >> 2) << \ (4 + 2 * (ch)); \ } while (0) #define SYS_REG_DEC_CS1_ROW(os_reg2, os_reg3, ch) \ ((((((os_reg2) >> (4 + 16 * (ch)) & 0x3) | \ ((((os_reg3) >> (4 + 2 * (ch))) & 0x1) << 2)) + 1) & 0x7) + 12) #define SYS_REG_ENC_CS1_COL(n, ch) (((n) - 9) << (0 + 2 * (ch))) #define SYS_REG_DEC_CS1_COL(n, ch) (9 + (((n) >> (0 + 2 * (ch))) & 0x3)) void sdram_print_dram_type(unsigned char dramtype); void sdram_print_ddr_info(struct sdram_cap_info *cap_info, struct sdram_base_params *base, u32 split); void sdram_print_stride(unsigned int stride); void sdram_org_config(struct sdram_cap_info *cap_info, struct sdram_base_params *base, u32 *p_os_reg2, u32 *p_os_reg3, u32 channel); int sdram_detect_bw(struct sdram_cap_info *cap_info); int sdram_detect_cs(struct sdram_cap_info *cap_info); int sdram_detect_col(struct sdram_cap_info *cap_info, u32 coltmp); int sdram_detect_bank(struct sdram_cap_info *cap_info, u32 coltmp, u32 bktmp); int sdram_detect_bg(struct sdram_cap_info *cap_info, u32 coltmp); int sdram_detect_dbw(struct sdram_cap_info *cap_info, u32 dram_type); int sdram_detect_row(struct sdram_cap_info *cap_info, u32 coltmp, u32 bktmp, u32 rowtmp); int sdram_detect_row_3_4(struct sdram_cap_info *cap_info, u32 coltmp, u32 bktmp); int sdram_detect_high_row(struct sdram_cap_info *cap_info); int sdram_detect_cs1_row(struct sdram_cap_info *cap_info, u32 dram_type); u64 sdram_get_cs_cap(struct sdram_cap_info *cap_info, u32 cs, u32 dram_type); void sdram_copy_to_reg(u32 *dest, const u32 *src, u32 n); #endif