#include <assert.h>
#include <cbmem.h>
#include <commonlib/bsd/helpers.h>
#include <commonlib/storage/sd_mmc.h>
#include <console/console.h>
#include <delay.h>
#include <device/mmio.h>
#include <lib.h>
#include <soc/msdc.h>
#include <string.h>
#include <timer.h>

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Functions
static void	msdc_set_field (void *reg, u32 field, u32 val)

static int	msdc_poll_timeout (void *addr, u32 mask)

static int	msdc_wait_done (void addr, u32 mask, u32 status)

static void	msdc_reset_hw (struct msdc_ctrlr *host)

static void	msdc_init_hw (struct msdc_ctrlr *host)

static void	msdc_fifo_clr (struct msdc_ctrlr *host)

static u32	msdc_cmd_find_resp (struct msdc_ctrlr host, struct mmc_command cmd)

static bool	msdc_cmd_is_ready (struct msdc_ctrlr *host)

static u32	msdc_cmd_prepare_raw_cmd (struct msdc_ctrlr host, struct mmc_command cmd, struct mmc_data *data)

static int	msdc_cmd_done (struct msdc_ctrlr host, int events, struct mmc_command cmd)

static int	msdc_start_command (struct msdc_ctrlr host, struct mmc_command cmd, struct mmc_data *data)

static int	msdc_send_command (struct sd_mmc_ctrlr ctrlr, struct mmc_command cmd, struct mmc_data *data)

static void	msdc_set_clock (struct msdc_ctrlr *host, u32 clock)

static void	msdc_set_buswidth (struct msdc_ctrlr *host, u32 width)

static void	msdc_set_ios (struct sd_mmc_ctrlr *ctrlr)

static void	msdc_update_pointers (struct msdc_ctrlr *host)

static void	add_msdc (struct msdc_ctrlr *host)

static void	msdc_controller_init (struct msdc_ctrlr host, void base, void *top_base)

static void	set_early_mmc_wake_status (int32_t status)

int	mtk_emmc_early_init (void base, void top_base)

Function Documentation

◆ add_msdc()

static void add_msdc ( struct msdc_ctrlr * host )

static

Definition at line 410 of file msdc.c.

References sd_mmc_ctrlr::caps, sd_mmc_ctrlr::f_max, sd_mmc_ctrlr::f_min, msdc_init_hw(), msdc_trace, msdc_update_pointers(), msdc_ctrlr::sd_mmc_ctrlr, and sd_mmc_ctrlr::voltages.

Referenced by msdc_controller_init().

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◆ msdc_cmd_done()

static int msdc_cmd_done	(	struct msdc_ctrlr *	host,
		int	events,
		struct mmc_command *	cmd
	)

static

Definition at line 242 of file msdc.c.

References msdc_ctrlr::base, CARD_RSP_136, CARD_RSP_PRESENT, mmc_command::cmdidx, EIO, ETIMEDOUT, MMC_CMD_AUTO_TUNING_SEQUENCE, MSDC_INT_CMDRDY, MSDC_INT_CMDTMO, msdc_reset_hw(), read32(), mmc_command::resp_type, mmc_command::response, SDC_RESP0, SDC_RESP1, SDC_RESP2, and SDC_RESP3.

Referenced by msdc_start_command().

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◆ msdc_cmd_find_resp()

static u32 msdc_cmd_find_resp	(	struct msdc_ctrlr *	host,
		struct mmc_command *	cmd
	)

static

Definition at line 156 of file msdc.c.

References CARD_RSP_NONE, CARD_RSP_R1, CARD_RSP_R1b, CARD_RSP_R2, CARD_RSP_R3, and mmc_command::resp_type.

Referenced by msdc_cmd_prepare_raw_cmd().

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◆ msdc_cmd_is_ready()

static bool msdc_cmd_is_ready ( struct msdc_ctrlr * host )

static

Definition at line 173 of file msdc.c.

References msdc_ctrlr::base, msdc_error, msdc_poll_timeout(), msdc_reset_hw(), MSDC_SUCCESS, read32(), SDC_STS, SDC_STS_CMDBUSY, and SDC_STS_SDCBUSY.

Referenced by msdc_start_command().

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◆ msdc_cmd_prepare_raw_cmd()

static u32 msdc_cmd_prepare_raw_cmd	(	struct msdc_ctrlr *	host,
		struct mmc_command *	cmd,
		struct mmc_data *	data
	)

static

Definition at line 196 of file msdc.c.

References mmc_data::blocks, mmc_data::blocksize, mmc_command::cmdidx, DATA_FLAG_READ, mmc_data::flags, MMC_CMD_AUTO_TUNING_SEQUENCE, MMC_CMD_READ_MULTIPLE_BLOCK, MMC_CMD_READ_SINGLE_BLOCK, MMC_CMD_SEND_STATUS, MMC_CMD_STOP_TRANSMISSION, MMC_CMD_WRITE_MULTIPLE_BLOCK, MMC_CMD_WRITE_SINGLE_BLOCK, msdc_cmd_find_resp(), SDC_CMD_BLK_LEN_M, SDC_CMD_BLK_LEN_S, SDC_CMD_CMD_M, SDC_CMD_CMD_S, SDC_CMD_DTYPE_M, SDC_CMD_DTYPE_S, SDC_CMD_RSPTYP_M, SDC_CMD_RSPTYP_S, SDC_CMD_STOP, and SDC_CMD_WR.

Referenced by msdc_start_command().

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◆ msdc_controller_init()

static void msdc_controller_init	(	struct msdc_ctrlr *	host,
		void *	base,
		void *	top_base
	)

static

Definition at line 430 of file msdc.c.

References add_msdc(), base, msdc_ctrlr::base, memset(), msdc_ctrlr::src_hz, and msdc_ctrlr::top_base.

Referenced by mtk_emmc_early_init().

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◆ msdc_fifo_clr()

static void msdc_fifo_clr ( struct msdc_ctrlr * host )

static

Definition at line 148 of file msdc.c.

References msdc_ctrlr::base, msdc_error, MSDC_FIFOCS, MSDC_FIFOCS_CLR, msdc_poll_timeout(), MSDC_SUCCESS, and setbits32.

Referenced by msdc_start_command().

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◆ msdc_init_hw()

static void msdc_init_hw ( struct msdc_ctrlr * host )

static

Definition at line 88 of file msdc.c.

References msdc_ctrlr::base, clrbits32, DATA_K_VALUE_SEL, EMMC50_CFG0, EMMC50_CFG_CFCSTS_SEL, EMMC_TOP_CMD, EMMC_TOP_CONTROL, MSDC_CFG, MSDC_CFG_MODE, MSDC_CFG_PIO, MSDC_CKGEN_MSDC_DLY_SEL, msdc_debug, MSDC_IOCON, MSDC_IOCON_DDLSEL, MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMD_SEL, MSDC_PAD_TUNE_RD_SEL, MSDC_PATCH_BIT, MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_STOP_DLY, MSDC_PATCH_BIT2, MSDC_PATCH_BIT2_CFGCRCSTS, MSDC_PATCH_BIT2_CFGRESP, MSDC_PB2_RESPWAIT, msdc_reset_hw(), msdc_set_field(), PAD_CMD_RD_RXDLY_SEL, PAD_DAT_RD_RXDLY_SEL, SDC_ADV_CFG0, SDC_CFG, SDC_CFG_DTOC, SDC_CFG_SDIO, SDC_CFG_SDIOIDE, SDC_DAT1_IRQ_TRIGGER, SDC_FIFO_CFG, SDC_FIFO_CFG_RDVALIDSEL, SDC_FIFO_CFG_WRVALIDSEL, SDC_RX_ENH_EN, SDC_RX_ENHANCE_EN, setbits32, msdc_ctrlr::top_base, and write32().

Referenced by add_msdc().

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◆ msdc_poll_timeout()

static int msdc_poll_timeout	(	void *	addr,
		u32	mask
	)

static

Definition at line 30 of file msdc.c.

References addr, mask, MSDC_NOT_READY, MSDC_SUCCESS, MSDC_TIMEOUT_US, read32(), stopwatch_expired(), stopwatch_init_usecs_expire(), and udelay().

Referenced by msdc_cmd_is_ready(), msdc_fifo_clr(), and msdc_reset_hw().

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◆ msdc_reset_hw()

static void msdc_reset_hw ( struct msdc_ctrlr * host )

static

Definition at line 72 of file msdc.c.

References msdc_ctrlr::base, MSDC_CFG, MSDC_CFG_RST, msdc_error, MSDC_FIFOCS, MSDC_FIFOCS_CLR, MSDC_INT, msdc_poll_timeout(), MSDC_SUCCESS, read32(), setbits32, val, and write32().

Referenced by msdc_cmd_done(), msdc_cmd_is_ready(), msdc_init_hw(), and msdc_start_command().

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◆ msdc_send_command()

static int msdc_send_command	(	struct sd_mmc_ctrlr *	ctrlr,
		struct mmc_command *	cmd,
		struct mmc_data *	data
	)

static

Definition at line 311 of file msdc.c.

References container_of, and msdc_start_command().

Referenced by msdc_update_pointers().

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◆ msdc_set_buswidth()

static void msdc_set_buswidth	(	struct msdc_ctrlr *	host,
		u32	width
	)

static

Definition at line 358 of file msdc.c.

References msdc_ctrlr::base, MSDC_BUS_1BITS, MSDC_BUS_4BITS, MSDC_BUS_8BITS, msdc_trace, read32(), SDC_CFG, SDC_CFG_BUSWIDTH, val, width, and write32().

Referenced by msdc_set_ios().

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◆ msdc_set_clock()

static void msdc_set_clock	(	struct msdc_ctrlr *	host,
		u32	clock
	)

static

Definition at line 321 of file msdc.c.

References assert, msdc_ctrlr::base, sd_mmc_ctrlr::bus_hz, clrsetbits_le32, DIV_ROUND_UP, MSDC_CFG, MSDC_CFG_CKSTB, msdc_debug, msdc_error, MSDC_SUCCESS, msdc_wait_done(), NULL, msdc_ctrlr::sd_mmc_ctrlr, and msdc_ctrlr::src_hz.

Referenced by msdc_set_ios().

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◆ msdc_set_field()

static void msdc_set_field	(	void *	reg,
		u32	field,
		u32	val
	)

inlinestatic

Definition at line 17 of file msdc.c.

References __ffs(), clrsetbits32, and val.

Referenced by msdc_init_hw().

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◆ msdc_set_ios()

static void msdc_set_ios ( struct sd_mmc_ctrlr * ctrlr )

static

Definition at line 381 of file msdc.c.

References sd_mmc_ctrlr::bus_hz, sd_mmc_ctrlr::bus_width, container_of, msdc_set_buswidth(), msdc_set_clock(), and sd_mmc_ctrlr::request_hz.

Referenced by msdc_update_pointers().

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◆ msdc_start_command()

static int msdc_start_command	(	struct msdc_ctrlr *	host,
		struct mmc_command *	cmd,
		struct mmc_data *	data
	)

static

Definition at line 276 of file msdc.c.

References msdc_ctrlr::base, mmc_data::blocks, CMD_INTS_MASK, mmc_command::cmdarg, EIO, msdc_cmd_done(), msdc_cmd_is_ready(), msdc_cmd_prepare_raw_cmd(), msdc_error, msdc_fifo_clr(), MSDC_FIFOCS, MSDC_FIFOCS_RXCNT, MSDC_FIFOCS_TXCNT, MSDC_INT, MSDC_INT_CMDTMO, msdc_reset_hw(), MSDC_SUCCESS, msdc_wait_done(), read32(), SDC_ARG, SDC_BLK_NUM, SDC_CMD, and write32().

Referenced by msdc_send_command().

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◆ msdc_update_pointers()

static void msdc_update_pointers ( struct msdc_ctrlr * host )

static

Definition at line 395 of file msdc.c.

References sd_mmc_ctrlr::bus_width, sd_mmc_ctrlr::caps, DRVR_CAP_HC, DRVR_CAP_HS, sd_mmc_ctrlr::f_max, sd_mmc_ctrlr::f_min, msdc_send_command(), msdc_set_ios(), msdc_ctrlr::sd_mmc_ctrlr, sd_mmc_ctrlr::send_cmd, sd_mmc_ctrlr::set_ios, and sd_mmc_ctrlr::voltages.

Referenced by add_msdc().

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◆ msdc_wait_done()

static int msdc_wait_done	(	void *	addr,
		u32	mask,
		u32 *	status
	)

static

Definition at line 50 of file msdc.c.

References addr, CMD_TIMEOUT_MS, mask, MSDC_NOT_READY, MSDC_SUCCESS, read32(), stopwatch_expired(), stopwatch_init_usecs_expire(), and udelay().

Referenced by msdc_set_clock(), and msdc_start_command().

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◆ mtk_emmc_early_init()

int mtk_emmc_early_init	(	void *	base,
		void *	top_base
	)

Definition at line 457 of file msdc.c.

References base, CARD_IN_PROGRESS, storage_media::ctrlr, media, mmc_send_op_cond(), MMC_STATUS_CMD1_IN_PROGRESS, MMC_STATUS_CMD1_READY, MMC_STATUS_NEED_RESET, msdc_controller_init(), msdc_ctrlr::sd_mmc_ctrlr, sd_mmc_go_idle(), SET_BUS_WIDTH, SET_CLOCK, and set_early_mmc_wake_status().

Referenced by mtk_msdc_configure_emmc().

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◆ set_early_mmc_wake_status()

static void set_early_mmc_wake_status ( int32_t status )

static

Definition at line 440 of file msdc.c.

References BIOS_DEBUG, BIOS_ERR, cbmem_add(), CBMEM_ID_MMC_STATUS, NULL, and printk.

Referenced by mtk_emmc_early_init().

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Functions

Function Documentation

◆ add_msdc()

◆ msdc_cmd_done()

◆ msdc_cmd_find_resp()

◆ msdc_cmd_is_ready()

◆ msdc_cmd_prepare_raw_cmd()

◆ msdc_controller_init()

◆ msdc_fifo_clr()

◆ msdc_init_hw()

◆ msdc_poll_timeout()

◆ msdc_reset_hw()

◆ msdc_send_command()

◆ msdc_set_buswidth()

◆ msdc_set_clock()

◆ msdc_set_field()

◆ msdc_set_ios()

◆ msdc_start_command()

◆ msdc_update_pointers()

◆ msdc_wait_done()

◆ mtk_emmc_early_init()

◆ set_early_mmc_wake_status()