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path: root/drivers/renesas/rcar/emmc/emmc_init.c
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Diffstat (limited to 'drivers/renesas/rcar/emmc/emmc_init.c')
-rw-r--r--drivers/renesas/rcar/emmc/emmc_init.c162
1 files changed, 0 insertions, 162 deletions
diff --git a/drivers/renesas/rcar/emmc/emmc_init.c b/drivers/renesas/rcar/emmc/emmc_init.c
deleted file mode 100644
index 354aa3c82a..0000000000
--- a/drivers/renesas/rcar/emmc/emmc_init.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <stddef.h>
-
-#include <lib/mmio.h>
-
-#include "emmc_config.h"
-#include "emmc_hal.h"
-#include "emmc_std.h"
-#include "emmc_registers.h"
-#include "emmc_def.h"
-#include "rcar_private.h"
-
-st_mmc_base mmc_drv_obj;
-
-EMMC_ERROR_CODE rcar_emmc_memcard_power(uint8_t mode)
-{
-
- if (mode == TRUE) {
- /* power on (Vcc&Vccq is always power on) */
- mmc_drv_obj.card_power_enable = TRUE;
- } else {
- /* power off (Vcc&Vccq is always power on) */
- mmc_drv_obj.card_power_enable = FALSE;
- mmc_drv_obj.mount = FALSE;
- mmc_drv_obj.selected = FALSE;
- }
-
- return EMMC_SUCCESS;
-}
-static inline void emmc_set_retry_count(uint32_t retry)
-{
- mmc_drv_obj.retries_after_fail = retry;
-}
-
-static inline void emmc_set_data_timeout(uint32_t data_timeout)
-{
- mmc_drv_obj.data_timeout = data_timeout;
-}
-
-static void emmc_memset(uint8_t *buff, uint8_t data, uint32_t cnt)
-{
- if (buff == NULL) {
- return;
- }
-
- while (cnt > 0) {
- *buff++ = data;
- cnt--;
- }
-}
-
-static void emmc_driver_config(void)
-{
- emmc_set_retry_count(EMMC_RETRY_COUNT);
- emmc_set_data_timeout(EMMC_RW_DATA_TIMEOUT);
-}
-
-static void emmc_drv_init(void)
-{
- emmc_memset((uint8_t *) (&mmc_drv_obj), 0, sizeof(st_mmc_base));
- mmc_drv_obj.card_present = HAL_MEMCARD_CARD_IS_IN;
- mmc_drv_obj.data_timeout = EMMC_RW_DATA_TIMEOUT;
- mmc_drv_obj.bus_width = HAL_MEMCARD_DATA_WIDTH_1_BIT;
-}
-
-static EMMC_ERROR_CODE emmc_dev_finalize(void)
-{
- EMMC_ERROR_CODE result;
- uint32_t dataL;
-
- /*
- * MMC power off
- * the power supply of eMMC device is always turning on.
- * RST_n : Hi --> Low level.
- */
- result = rcar_emmc_memcard_power(FALSE);
-
- /* host controller reset */
- SETR_32(SD_INFO1, 0x00000000U); /* all interrupt clear */
- SETR_32(SD_INFO2, SD_INFO2_CLEAR); /* all interrupt clear */
- SETR_32(SD_INFO1_MASK, 0x00000000U); /* all interrupt disable */
- SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* all interrupt disable */
- SETR_32(SD_CLK_CTRL, 0x00000000U); /* MMC clock stop */
-
- dataL = mmio_read_32(CPG_SMSTPCR3);
- if ((dataL & CPG_MSTP_MMC) == 0U) {
- dataL |= (CPG_MSTP_MMC);
- mmio_write_32(CPG_CPGWPR, (~dataL));
- mmio_write_32(CPG_SMSTPCR3, dataL);
- }
-
- return result;
-}
-
-static EMMC_ERROR_CODE emmc_dev_init(void)
-{
- /* Enable clock supply to eMMC. */
- mstpcr_write(CPG_SMSTPCR3, CPG_MSTPSR3, CPG_MSTP_MMC);
-
- /* Set SD clock */
- mmio_write_32(CPG_CPGWPR, ~((uint32_t) (BIT9 | BIT0))); /* SD phy 200MHz */
-
- /* Stop SDnH clock & SDn=200MHz */
- mmio_write_32(CPG_SDxCKCR, (BIT9 | BIT0));
-
- /* MMCIF initialize */
- SETR_32(SD_INFO1, 0x00000000U); /* all interrupt clear */
- SETR_32(SD_INFO2, SD_INFO2_CLEAR); /* all interrupt clear */
- SETR_32(SD_INFO1_MASK, 0x00000000U); /* all interrupt disable */
- SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* all interrupt disable */
-
- SETR_32(HOST_MODE, 0x00000000U); /* SD_BUF access width = 64-bit */
- SETR_32(SD_OPTION, 0x0000C0EEU); /* Bus width = 1bit, timeout=MAX */
- SETR_32(SD_CLK_CTRL, 0x00000000U); /* Disable Automatic Control & Clock Output */
-
- return EMMC_SUCCESS;
-}
-
-static EMMC_ERROR_CODE emmc_reset_controller(void)
-{
- EMMC_ERROR_CODE result;
-
- /* initialize mmc driver */
- emmc_drv_init();
-
- /* initialize H/W */
- result = emmc_dev_init();
- if (result == EMMC_SUCCESS) {
- mmc_drv_obj.initialize = TRUE;
- }
-
- return result;
-
-}
-
-EMMC_ERROR_CODE emmc_terminate(void)
-{
- EMMC_ERROR_CODE result;
-
- result = emmc_dev_finalize();
-
- emmc_memset((uint8_t *) (&mmc_drv_obj), 0, sizeof(st_mmc_base));
-
- return result;
-}
-
-EMMC_ERROR_CODE rcar_emmc_init(void)
-{
- EMMC_ERROR_CODE result;
-
- result = emmc_reset_controller();
- if (result == EMMC_SUCCESS) {
- emmc_driver_config();
- }
-
- return result;
-}