mmc: SDIO driver for Marvell SoCs
This supports MMC/SD/SDIO currently found on the Kirkwood 88F6281 and
88F6192 SoC controllers.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/host/mvsdio.h b/drivers/mmc/host/mvsdio.h
new file mode 100644
index 0000000..7d9727b
--- /dev/null
+++ b/drivers/mmc/host/mvsdio.h
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2008 Marvell Semiconductors, All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __MVSDIO_H
+#define __MVSDIO_H
+
+/*
+ * Clock rates
+ */
+
+#define MVSD_CLOCKRATE_MAX 50000000
+#define MVSD_BASE_DIV_MAX 0x7ff
+
+
+/*
+ * Register offsets
+ */
+
+#define MVSD_SYS_ADDR_LOW 0x000
+#define MVSD_SYS_ADDR_HI 0x004
+#define MVSD_BLK_SIZE 0x008
+#define MVSD_BLK_COUNT 0x00c
+#define MVSD_ARG_LOW 0x010
+#define MVSD_ARG_HI 0x014
+#define MVSD_XFER_MODE 0x018
+#define MVSD_CMD 0x01c
+#define MVSD_RSP(i) (0x020 + ((i)<<2))
+#define MVSD_RSP0 0x020
+#define MVSD_RSP1 0x024
+#define MVSD_RSP2 0x028
+#define MVSD_RSP3 0x02c
+#define MVSD_RSP4 0x030
+#define MVSD_RSP5 0x034
+#define MVSD_RSP6 0x038
+#define MVSD_RSP7 0x03c
+#define MVSD_FIFO 0x040
+#define MVSD_RSP_CRC7 0x044
+#define MVSD_HW_STATE 0x048
+#define MVSD_HOST_CTRL 0x050
+#define MVSD_BLK_GAP_CTRL 0x054
+#define MVSD_CLK_CTRL 0x058
+#define MVSD_SW_RESET 0x05c
+#define MVSD_NOR_INTR_STATUS 0x060
+#define MVSD_ERR_INTR_STATUS 0x064
+#define MVSD_NOR_STATUS_EN 0x068
+#define MVSD_ERR_STATUS_EN 0x06c
+#define MVSD_NOR_INTR_EN 0x070
+#define MVSD_ERR_INTR_EN 0x074
+#define MVSD_AUTOCMD12_ERR_STATUS 0x078
+#define MVSD_CURR_BYTE_LEFT 0x07c
+#define MVSD_CURR_BLK_LEFT 0x080
+#define MVSD_AUTOCMD12_ARG_LOW 0x084
+#define MVSD_AUTOCMD12_ARG_HI 0x088
+#define MVSD_AUTOCMD12_CMD 0x08c
+#define MVSD_AUTO_RSP(i) (0x090 + ((i)<<2))
+#define MVSD_AUTO_RSP0 0x090
+#define MVSD_AUTO_RSP1 0x094
+#define MVSD_AUTO_RSP2 0x098
+#define MVSD_CLK_DIV 0x128
+
+#define MVSD_WINDOW_CTRL(i) (0x108 + ((i) << 3))
+#define MVSD_WINDOW_BASE(i) (0x10c + ((i) << 3))
+
+
+/*
+ * MVSD_CMD
+ */
+
+#define MVSD_CMD_RSP_NONE (0 << 0)
+#define MVSD_CMD_RSP_136 (1 << 0)
+#define MVSD_CMD_RSP_48 (2 << 0)
+#define MVSD_CMD_RSP_48BUSY (3 << 0)
+
+#define MVSD_CMD_CHECK_DATACRC16 (1 << 2)
+#define MVSD_CMD_CHECK_CMDCRC (1 << 3)
+#define MVSD_CMD_INDX_CHECK (1 << 4)
+#define MVSD_CMD_DATA_PRESENT (1 << 5)
+#define MVSD_UNEXPECTED_RESP (1 << 7)
+#define MVSD_CMD_INDEX(x) ((x) << 8)
+
+
+/*
+ * MVSD_AUTOCMD12_CMD
+ */
+
+#define MVSD_AUTOCMD12_BUSY (1 << 0)
+#define MVSD_AUTOCMD12_INDX_CHECK (1 << 1)
+#define MVSD_AUTOCMD12_INDEX(x) ((x) << 8)
+
+/*
+ * MVSD_XFER_MODE
+ */
+
+#define MVSD_XFER_MODE_WR_DATA_START (1 << 0)
+#define MVSD_XFER_MODE_HW_WR_DATA_EN (1 << 1)
+#define MVSD_XFER_MODE_AUTO_CMD12 (1 << 2)
+#define MVSD_XFER_MODE_INT_CHK_EN (1 << 3)
+#define MVSD_XFER_MODE_TO_HOST (1 << 4)
+#define MVSD_XFER_MODE_STOP_CLK (1 << 5)
+#define MVSD_XFER_MODE_PIO (1 << 6)
+
+
+/*
+ * MVSD_HOST_CTRL
+ */
+
+#define MVSD_HOST_CTRL_PUSH_PULL_EN (1 << 0)
+
+#define MVSD_HOST_CTRL_CARD_TYPE_MEM_ONLY (0 << 1)
+#define MVSD_HOST_CTRL_CARD_TYPE_IO_ONLY (1 << 1)
+#define MVSD_HOST_CTRL_CARD_TYPE_IO_MEM_COMBO (2 << 1)
+#define MVSD_HOST_CTRL_CARD_TYPE_IO_MMC (3 << 1)
+#define MVSD_HOST_CTRL_CARD_TYPE_MASK (3 << 1)
+
+#define MVSD_HOST_CTRL_BIG_ENDIAN (1 << 3)
+#define MVSD_HOST_CTRL_LSB_FIRST (1 << 4)
+#define MVSD_HOST_CTRL_DATA_WIDTH_4_BITS (1 << 9)
+#define MVSD_HOST_CTRL_HI_SPEED_EN (1 << 10)
+
+#define MVSD_HOST_CTRL_TMOUT_MAX 0xf
+#define MVSD_HOST_CTRL_TMOUT_MASK (0xf << 11)
+#define MVSD_HOST_CTRL_TMOUT(x) ((x) << 11)
+#define MVSD_HOST_CTRL_TMOUT_EN (1 << 15)
+
+
+/*
+ * MVSD_SW_RESET
+ */
+
+#define MVSD_SW_RESET_NOW (1 << 8)
+
+
+/*
+ * Normal interrupt status bits
+ */
+
+#define MVSD_NOR_CMD_DONE (1 << 0)
+#define MVSD_NOR_XFER_DONE (1 << 1)
+#define MVSD_NOR_BLK_GAP_EVT (1 << 2)
+#define MVSD_NOR_DMA_DONE (1 << 3)
+#define MVSD_NOR_TX_AVAIL (1 << 4)
+#define MVSD_NOR_RX_READY (1 << 5)
+#define MVSD_NOR_CARD_INT (1 << 8)
+#define MVSD_NOR_READ_WAIT_ON (1 << 9)
+#define MVSD_NOR_RX_FIFO_8W (1 << 10)
+#define MVSD_NOR_TX_FIFO_8W (1 << 11)
+#define MVSD_NOR_SUSPEND_ON (1 << 12)
+#define MVSD_NOR_AUTOCMD12_DONE (1 << 13)
+#define MVSD_NOR_UNEXP_RSP (1 << 14)
+#define MVSD_NOR_ERROR (1 << 15)
+
+
+/*
+ * Error status bits
+ */
+
+#define MVSD_ERR_CMD_TIMEOUT (1 << 0)
+#define MVSD_ERR_CMD_CRC (1 << 1)
+#define MVSD_ERR_CMD_ENDBIT (1 << 2)
+#define MVSD_ERR_CMD_INDEX (1 << 3)
+#define MVSD_ERR_DATA_TIMEOUT (1 << 4)
+#define MVSD_ERR_DATA_CRC (1 << 5)
+#define MVSD_ERR_DATA_ENDBIT (1 << 6)
+#define MVSD_ERR_AUTOCMD12 (1 << 8)
+#define MVSD_ERR_CMD_STARTBIT (1 << 9)
+#define MVSD_ERR_XFER_SIZE (1 << 10)
+#define MVSD_ERR_RESP_T_BIT (1 << 11)
+#define MVSD_ERR_CRC_ENDBIT (1 << 12)
+#define MVSD_ERR_CRC_STARTBIT (1 << 13)
+#define MVSD_ERR_CRC_STATUS (1 << 14)
+
+
+/*
+ * CMD12 error status bits
+ */
+
+#define MVSD_AUTOCMD12_ERR_NOTEXE (1 << 0)
+#define MVSD_AUTOCMD12_ERR_TIMEOUT (1 << 1)
+#define MVSD_AUTOCMD12_ERR_CRC (1 << 2)
+#define MVSD_AUTOCMD12_ERR_ENDBIT (1 << 3)
+#define MVSD_AUTOCMD12_ERR_INDEX (1 << 4)
+#define MVSD_AUTOCMD12_ERR_RESP_T_BIT (1 << 5)
+#define MVSD_AUTOCMD12_ERR_RESP_STARTBIT (1 << 6)
+
+#endif