drivers: Add emmc driver for Broadcom platforms
Add emmc driver for Broadcom platforms
Change-Id: I126a6dfccd41062cb0b856f2c2fb1f724730b95e
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
diff --git a/include/drivers/brcm/emmc/emmc_pboot_hal_memory_drv.h b/include/drivers/brcm/emmc/emmc_pboot_hal_memory_drv.h
new file mode 100644
index 0000000..8e61b51
--- /dev/null
+++ b/include/drivers/brcm/emmc/emmc_pboot_hal_memory_drv.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2016 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PBOOT_HAL_MEMORY_EMMC_DRV_H
+#define PBOOT_HAL_MEMORY_EMMC_DRV_H
+
+#include <drivers/delay_timer.h>
+
+#include "emmc_chal_types.h"
+#include "emmc_chal_sd.h"
+#include "emmc_csl_sdprot.h"
+#include "emmc_csl_sdcmd.h"
+#include "emmc_csl_sd.h"
+#include "emmc_brcm_rdb_sd4_top.h"
+
+#define CLK_SDIO_DIV_52MHZ 0x0
+#define SYSCFG_IOCR4_PAD_10MA 0x38000000
+
+#define SDCLK_CNT_PER_MS 52000
+#define BOOT_ACK_TIMEOUT (50 * SDCLK_CNT_PER_MS)
+#define BOOT_DATA_TIMEOUT (1000 * SDCLK_CNT_PER_MS)
+
+#define EMMC_BOOT_OK 0
+#define EMMC_BOOT_ERROR 1
+#define EMMC_BOOT_TIMEOUT 2
+#define EMMC_BOOT_INVALIDIMAGE 3
+#define EMMC_BOOT_NO_CARD 4
+
+#define EMMC_USER_AREA 0
+#define EMMC_BOOT_PARTITION1 1
+#define EMMC_BOOT_PARTITION2 2
+#define EMMC_USE_CURRENT_PARTITION 3
+
+#define EMMC_BOOT_PARTITION_SIZE (128*1024)
+#define EMMC_BLOCK_SIZE 512
+#define EMMC_DMA_SIZE (4*1024)
+
+/*
+ * EMMC4.3 definitions
+ * Table 6 EXT_CSD access mode
+ * Access
+ * Bits Access Name Operation
+ * 00 Command Set The command set is changed according to the Cmd Set field of
+ * the argument
+ * 01 Set Bits The bits in the pointed uint8_t are set,
+ * according to the 1 bits in the Value field.
+ * 10 Clear Bits The bits in the pointed uint8_t are cleared,
+ * according to the 1 bits in the Value field.
+ * 11 Write Byte The Value field is written into the pointed uint8_t.
+ */
+
+#define SDIO_HW_EMMC_EXT_CSD_WRITE_BYTE 0X03000000
+
+/* Boot bus width1 BOOT_BUS_WIDTH 1 R/W [177] */
+#define SDIO_HW_EMMC_EXT_CSD_BOOT_BUS_WIDTH_OFFSET 0X00B10000
+
+/* Boot configuration BOOT_CONFIG 1 R/W [179] */
+#define SDIO_HW_EMMC_EXT_CSD_BOOT_CONFIG_OFFSET 0X00B30000
+
+/* Bus width mode BUS_WIDTH 1 WO [183] */
+#define SDIO_HW_EMMC_EXT_CSD_BUS_WIDTH_OFFSET 0X00B70000
+
+/*
+ * Bit 6: BOOT_ACK (non-volatile)
+ * 0x0 : No boot acknowledge sent (default)
+ * 0x1 : Boot acknowledge sent during boot operation
+ * Bit[5:3] : BOOT_PARTITION_ENABLE (non-volatile)
+ * User selects boot data that will be sent to master
+ * 0x0 : Device not boot enabled (default)
+ * 0x1 : Boot partition 1 enabled for boot
+ * 0x2 : Boot partition 2 enabled for boot
+ * 0x3-0x6 : Reserved
+ * 0x7 : User area enabled for boot
+ * Bit[2:0] : BOOT_PARTITION_ACCESS
+ * User selects boot partition for read and write operation
+ * 0x0 : No access to boot partition (default)
+ * 0x1 : R/W boot partition 1
+ * 0x2 : R/W boot partition 2
+ * 0x3-0x7 : Reserved
+ */
+
+#define SDIO_HW_EMMC_EXT_CSD_BOOT_ACC_BOOT1 0X00000100
+#define SDIO_HW_EMMC_EXT_CSD_BOOT_ACC_BOOT2 0X00000200
+#define SDIO_HW_EMMC_EXT_CSD_BOOT_ACC_USER 0X00000000
+#define SDIO_HW_EMMC_EXT_CSD_BOOT_EN_BOOT1 0X00004800
+#define SDIO_HW_EMMC_EXT_CSD_BOOT_EN_BOOT2 0X00005000
+#define SDIO_HW_EMMC_EXT_CSD_BOOT_EN_USER 0X00007800
+
+#define SD_US_DELAY(x) udelay(x)
+
+#endif