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path: root/drivers/renesas/rcar/emmc/emmc_interrupt.c
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Diffstat (limited to 'drivers/renesas/rcar/emmc/emmc_interrupt.c')
-rw-r--r--drivers/renesas/rcar/emmc/emmc_interrupt.c217
1 files changed, 0 insertions, 217 deletions
diff --git a/drivers/renesas/rcar/emmc/emmc_interrupt.c b/drivers/renesas/rcar/emmc/emmc_interrupt.c
deleted file mode 100644
index 092fdfb728..0000000000
--- a/drivers/renesas/rcar/emmc/emmc_interrupt.c
+++ /dev/null
@@ -1,217 +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_def.h"
-#include "emmc_hal.h"
-#include "emmc_registers.h"
-#include "emmc_std.h"
-#include "rcar_def.h"
-
-static EMMC_ERROR_CODE emmc_trans_sector(uint32_t *buff_address_virtual);
-
-uint32_t emmc_interrupt(void)
-{
- EMMC_ERROR_CODE result;
- uint32_t prr_data;
- uint32_t cut_ver;
- uint32_t end_bit;
-
- prr_data = mmio_read_32((uintptr_t) RCAR_PRR);
- cut_ver = prr_data & PRR_CUT_MASK;
- if ((prr_data & PRR_PRODUCT_MASK) == PRR_PRODUCT_H3) {
- if (cut_ver == PRR_PRODUCT_10) {
- end_bit = BIT17;
- } else if (cut_ver == PRR_PRODUCT_11) {
- end_bit = BIT17;
- } else {
- end_bit = BIT20;
- }
- } else if ((prr_data & PRR_PRODUCT_MASK) == PRR_PRODUCT_M3) {
- if (cut_ver == PRR_PRODUCT_10) {
- end_bit = BIT17;
- } else {
- end_bit = BIT20;
- }
- } else {
- end_bit = BIT20;
- }
-
- /* SD_INFO */
- mmc_drv_obj.error_info.info1 = GETR_32(SD_INFO1);
- mmc_drv_obj.error_info.info2 = GETR_32(SD_INFO2);
-
- /* SD_INFO EVENT */
- mmc_drv_obj.int_event1 =
- mmc_drv_obj.error_info.info1 & GETR_32(SD_INFO1_MASK);
- mmc_drv_obj.int_event2 =
- mmc_drv_obj.error_info.info2 & GETR_32(SD_INFO2_MASK);
-
- /* ERR_STS */
- mmc_drv_obj.error_info.status1 = GETR_32(SD_ERR_STS1);
- mmc_drv_obj.error_info.status2 = GETR_32(SD_ERR_STS2);
-
- /* DM_CM_INFO */
- mmc_drv_obj.error_info.dm_info1 = GETR_32(DM_CM_INFO1);
- mmc_drv_obj.error_info.dm_info2 = GETR_32(DM_CM_INFO2);
-
- /* DM_CM_INFO EVENT */
- mmc_drv_obj.dm_event1 =
- mmc_drv_obj.error_info.dm_info1 & GETR_32(DM_CM_INFO1_MASK);
- mmc_drv_obj.dm_event2 =
- mmc_drv_obj.error_info.dm_info2 & GETR_32(DM_CM_INFO2_MASK);
-
- /* ERR SD_INFO2 */
- if ((SD_INFO2_ALL_ERR & mmc_drv_obj.int_event2) != 0) {
- SETR_32(SD_INFO1_MASK, 0x00000000U); /* interrupt disable */
- SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* interrupt disable */
- SETR_32(SD_INFO1, 0x00000000U); /* interrupt clear */
- SETR_32(SD_INFO2, SD_INFO2_CLEAR); /* interrupt clear */
- mmc_drv_obj.state_machine_blocking = FALSE;
- }
-
- /* PIO Transfer */
- /* BWE/BRE */
- else if (((SD_INFO2_BWE | SD_INFO2_BRE) & mmc_drv_obj.int_event2)) {
- /* BWE */
- if (SD_INFO2_BWE & mmc_drv_obj.int_event2) {
- SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BWE));
- }
- /* BRE */
- else {
- SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BRE));
- }
-
- result = emmc_trans_sector(mmc_drv_obj.buff_address_virtual);
- mmc_drv_obj.buff_address_virtual += EMMC_BLOCK_LENGTH;
- mmc_drv_obj.remain_size -= EMMC_BLOCK_LENGTH;
-
- if (result != EMMC_SUCCESS) {
- /* data transfer error */
- emmc_write_error_info(EMMC_FUNCNO_NONE, result);
-
- /* Panic */
- SETR_32(SD_INFO1_MASK, 0x00000000U);
- SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR);
- SETR_32(SD_INFO1, 0x00000000U);
- /* interrupt clear */
- SETR_32(SD_INFO2, SD_INFO2_CLEAR);
- mmc_drv_obj.force_terminate = TRUE;
- } else {
- mmc_drv_obj.during_transfer = FALSE;
- }
- mmc_drv_obj.state_machine_blocking = FALSE;
- }
-
- /* DMA_TRANSFER */
- /* DM_CM_INFO1: DMA-ch0 transfer complete or error occurred */
- else if ((BIT16 & mmc_drv_obj.dm_event1) != 0) {
- SETR_32(DM_CM_INFO1, 0x00000000U);
- SETR_32(DM_CM_INFO2, 0x00000000U);
- /* interrupt clear */
- SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BWE));
- /* DM_CM_INFO2: DMA-ch0 error occurred */
- if ((BIT16 & mmc_drv_obj.dm_event2) != 0) {
- mmc_drv_obj.dma_error_flag = TRUE;
- } else {
- mmc_drv_obj.during_dma_transfer = FALSE;
- mmc_drv_obj.during_transfer = FALSE;
- }
- /* wait next interrupt */
- mmc_drv_obj.state_machine_blocking = FALSE;
- }
- /* DM_CM_INFO1: DMA-ch1 transfer complete or error occurred */
- else if ((end_bit & mmc_drv_obj.dm_event1) != 0U) {
- SETR_32(DM_CM_INFO1, 0x00000000U);
- SETR_32(DM_CM_INFO2, 0x00000000U);
- /* interrupt clear */
- SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BRE));
- /* DM_CM_INFO2: DMA-ch1 error occurred */
- if ((BIT17 & mmc_drv_obj.dm_event2) != 0) {
- mmc_drv_obj.dma_error_flag = TRUE;
- } else {
- mmc_drv_obj.during_dma_transfer = FALSE;
- mmc_drv_obj.during_transfer = FALSE;
- }
- /* wait next interrupt */
- mmc_drv_obj.state_machine_blocking = FALSE;
- }
-
- /* Response end */
- else if ((SD_INFO1_INFO0 & mmc_drv_obj.int_event1) != 0) {
- /* interrupt clear */
- SETR_32(SD_INFO1, (GETR_32(SD_INFO1) & ~SD_INFO1_INFO0));
- mmc_drv_obj.state_machine_blocking = FALSE;
- }
- /* Access end */
- else if ((SD_INFO1_INFO2 & mmc_drv_obj.int_event1) != 0) {
- /* interrupt clear */
- SETR_32(SD_INFO1, (GETR_32(SD_INFO1) & ~SD_INFO1_INFO2));
- mmc_drv_obj.state_machine_blocking = FALSE;
- } else {
- /* nothing to do. */
- }
-
- return (uint32_t) 0;
-}
-
-static EMMC_ERROR_CODE emmc_trans_sector(uint32_t *buff_address_virtual)
-{
- uint32_t length, i;
- uint64_t *bufPtrLL;
-
- if (buff_address_virtual == NULL) {
- return EMMC_ERR_PARAM;
- }
-
- if ((mmc_drv_obj.during_transfer != TRUE)
- || (mmc_drv_obj.remain_size == 0)) {
- return EMMC_ERR_STATE;
- }
-
- bufPtrLL = (uint64_t *) buff_address_virtual;
- length = mmc_drv_obj.remain_size;
-
- /* data transefer */
- for (i = 0; i < (length >> 3); i++) {
- /* Write */
- if (mmc_drv_obj.cmd_info.dir == HAL_MEMCARD_WRITE) {
- SETR_64(SD_BUF0, *bufPtrLL); /* buffer --> FIFO */
- }
- /* Read */
- else {
- /* Checks when the read data reaches SD_SIZE. */
- /* The BRE bit is cleared at emmc_interrupt function. */
- if (((i %
- (uint32_t) (EMMC_BLOCK_LENGTH >>
- EMMC_BUF_SIZE_SHIFT)) == 0U)
- && (i != 0U)) {
- /* BRE check */
- while (((GETR_32(SD_INFO2)) & SD_INFO2_BRE) ==
- 0U) {
- /* ERROR check */
- if (((GETR_32(SD_INFO2)) &
- SD_INFO2_ALL_ERR) != 0U) {
- return EMMC_ERR_TRANSFER;
- }
- }
- /* BRE clear */
- SETR_32(SD_INFO2,
- (uint32_t) (GETR_32(SD_INFO2) &
- ~SD_INFO2_BRE));
- }
- *bufPtrLL = GETR_64(SD_BUF0); /* FIFO --> buffer */
- }
- bufPtrLL++;
- }
-
- return EMMC_SUCCESS;
-}