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authorCliff Cai <cliff.cai@analog.com>2008-11-29 18:22:38 -0500
committerMike Frysinger <vapier@gentoo.org>2009-02-02 12:27:18 -0500
commit716ebf436c9e43df6740e0172f6b2a81ddbf1b8e (patch)
treeed4600c043dd469025e287740cc18504231ef9d4 /include/asm-blackfin
parent6e87ea0ca951465eba144ab2e6dba6fb507737a2 (diff)
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Blackfin: add driver for on-chip MMC/SD controller
This is a port of the Linux Blackfin on-chip SDH driver to U-Boot. Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'include/asm-blackfin')
-rw-r--r--include/asm-blackfin/mach-common/bits/sdh.h122
-rw-r--r--include/asm-blackfin/mmc.h1
2 files changed, 123 insertions, 0 deletions
diff --git a/include/asm-blackfin/mach-common/bits/sdh.h b/include/asm-blackfin/mach-common/bits/sdh.h
new file mode 100644
index 0000000..8c5dd33
--- /dev/null
+++ b/include/asm-blackfin/mach-common/bits/sdh.h
@@ -0,0 +1,122 @@
+/*
+ * SDH Masks
+ */
+
+#ifndef __BFIN_PERIPHERAL_SDH__
+#define __BFIN_PERIPHERAL_SDH__
+
+/* Bit masks for SDH_COMMAND */
+#define CMD_IDX 0x3f /* Command Index */
+#define CMD_RSP 0x40 /* Response */
+#define CMD_L_RSP 0x80 /* Long Response */
+#define CMD_INT_E 0x100 /* Command Interrupt */
+#define CMD_PEND_E 0x200 /* Command Pending */
+#define CMD_E 0x400 /* Command Enable */
+
+/* Bit masks for SDH_PWR_CTL */
+#define PWR_ON 0x3 /* Power On */
+#define SD_CMD_OD 0x40 /* Open Drain Output */
+#define ROD_CTL 0x80 /* Rod Control */
+
+/* Bit masks for SDH_CLK_CTL */
+#define CLKDIV 0xff /* MC_CLK Divisor */
+#define CLK_E 0x100 /* MC_CLK Bus Clock Enable */
+#define PWR_SV_E 0x200 /* Power Save Enable */
+#define CLKDIV_BYPASS 0x400 /* Bypass Divisor */
+#define WIDE_BUS 0x800 /* Wide Bus Mode Enable */
+
+/* Bit masks for SDH_RESP_CMD */
+#define RESP_CMD 0x3f /* Response Command */
+
+/* Bit masks for SDH_DATA_CTL */
+#define DTX_E 0x1 /* Data Transfer Enable */
+#define DTX_DIR 0x2 /* Data Transfer Direction */
+#define DTX_MODE 0x4 /* Data Transfer Mode */
+#define DTX_DMA_E 0x8 /* Data Transfer DMA Enable */
+#define DTX_BLK_LGTH 0xf0 /* Data Transfer Block Length */
+
+/* Bit masks for SDH_STATUS */
+#define CMD_CRC_FAIL 0x1 /* CMD CRC Fail */
+#define DAT_CRC_FAIL 0x2 /* Data CRC Fail */
+#define CMD_TIME_OUT 0x4 /* CMD Time Out */
+#define DAT_TIME_OUT 0x8 /* Data Time Out */
+#define TX_UNDERRUN 0x10 /* Transmit Underrun */
+#define RX_OVERRUN 0x20 /* Receive Overrun */
+#define CMD_RESP_END 0x40 /* CMD Response End */
+#define CMD_SENT 0x80 /* CMD Sent */
+#define DAT_END 0x100 /* Data End */
+#define START_BIT_ERR 0x200 /* Start Bit Error */
+#define DAT_BLK_END 0x400 /* Data Block End */
+#define CMD_ACT 0x800 /* CMD Active */
+#define TX_ACT 0x1000 /* Transmit Active */
+#define RX_ACT 0x2000 /* Receive Active */
+#define TX_FIFO_STAT 0x4000 /* Transmit FIFO Status */
+#define RX_FIFO_STAT 0x8000 /* Receive FIFO Status */
+#define TX_FIFO_FULL 0x10000 /* Transmit FIFO Full */
+#define RX_FIFO_FULL 0x20000 /* Receive FIFO Full */
+#define TX_FIFO_ZERO 0x40000 /* Transmit FIFO Empty */
+#define RX_DAT_ZERO 0x80000 /* Receive FIFO Empty */
+#define TX_DAT_RDY 0x100000 /* Transmit Data Available */
+#define RX_FIFO_RDY 0x200000 /* Receive Data Available */
+
+/* Bit masks for SDH_STATUS_CLR */
+#define CMD_CRC_FAIL_STAT 0x1 /* CMD CRC Fail Status */
+#define DAT_CRC_FAIL_STAT 0x2 /* Data CRC Fail Status */
+#define CMD_TIMEOUT_STAT 0x4 /* CMD Time Out Status */
+#define DAT_TIMEOUT_STAT 0x8 /* Data Time Out status */
+#define TX_UNDERRUN_STAT 0x10 /* Transmit Underrun Status */
+#define RX_OVERRUN_STAT 0x20 /* Receive Overrun Status */
+#define CMD_RESP_END_STAT 0x40 /* CMD Response End Status */
+#define CMD_SENT_STAT 0x80 /* CMD Sent Status */
+#define DAT_END_STAT 0x100 /* Data End Status */
+#define START_BIT_ERR_STAT 0x200 /* Start Bit Error Status */
+#define DAT_BLK_END_STAT 0x400 /* Data Block End Status */
+
+/* Bit masks for SDH_MASK0 */
+#define CMD_CRC_FAIL_MASK 0x1 /* CMD CRC Fail Mask */
+#define DAT_CRC_FAIL_MASK 0x2 /* Data CRC Fail Mask */
+#define CMD_TIMEOUT_MASK 0x4 /* CMD Time Out Mask */
+#define DAT_TIMEOUT_MASK 0x8 /* Data Time Out Mask */
+#define TX_UNDERRUN_MASK 0x10 /* Transmit Underrun Mask */
+#define RX_OVERRUN_MASK 0x20 /* Receive Overrun Mask */
+#define CMD_RESP_END_MASK 0x40 /* CMD Response End Mask */
+#define CMD_SENT_MASK 0x80 /* CMD Sent Mask */
+#define DAT_END_MASK 0x100 /* Data End Mask */
+#define START_BIT_ERR_MASK 0x200 /* Start Bit Error Mask */
+#define DAT_BLK_END_MASK 0x400 /* Data Block End Mask */
+#define CMD_ACT_MASK 0x800 /* CMD Active Mask */
+#define TX_ACT_MASK 0x1000 /* Transmit Active Mask */
+#define RX_ACT_MASK 0x2000 /* Receive Active Mask */
+#define TX_FIFO_STAT_MASK 0x4000 /* Transmit FIFO Status Mask */
+#define RX_FIFO_STAT_MASK 0x8000 /* Receive FIFO Status Mask */
+#define TX_FIFO_FULL_MASK 0x10000 /* Transmit FIFO Full Mask */
+#define RX_FIFO_FULL_MASK 0x20000 /* Receive FIFO Full Mask */
+#define TX_FIFO_ZERO_MASK 0x40000 /* Transmit FIFO Empty Mask */
+#define RX_DAT_ZERO_MASK 0x80000 /* Receive FIFO Empty Mask */
+#define TX_DAT_RDY_MASK 0x100000 /* Transmit Data Available Mask */
+#define RX_FIFO_RDY_MASK 0x200000 /* Receive Data Available Mask */
+
+/* Bit masks for SDH_FIFO_CNT */
+#define FIFO_COUNT 0x7fff /* FIFO Count */
+
+/* Bit masks for SDH_E_STATUS */
+#define SDIO_INT_DET 0x2 /* SDIO Int Detected */
+#define SD_CARD_DET 0x10 /* SD Card Detect */
+
+/* Bit masks for SDH_E_MASK */
+#define SDIO_MSK 0x2 /* Mask SDIO Int Detected */
+#define SCD_MSK 0x40 /* Mask Card Detect */
+
+/* Bit masks for SDH_CFG */
+#define CLKS_EN 0x1 /* Clocks Enable */
+#define SD4E 0x4 /* SDIO 4-Bit Enable */
+#define MWE 0x8 /* Moving Window Enable */
+#define SD_RST 0x10 /* SDMMC Reset */
+#define PUP_SDDAT 0x20 /* Pull-up SD_DAT */
+#define PUP_SDDAT3 0x40 /* Pull-up SD_DAT3 */
+#define PD_SDDAT3 0x80 /* Pull-down SD_DAT3 */
+
+/* Bit masks for SDH_RD_WAIT_EN */
+#define RWR 0x1 /* Read Wait Request */
+
+#endif
diff --git a/include/asm-blackfin/mmc.h b/include/asm-blackfin/mmc.h
new file mode 100644
index 0000000..aa2ac95
--- /dev/null
+++ b/include/asm-blackfin/mmc.h
@@ -0,0 +1 @@
+#include <asm-avr32/arch-at32ap700x/mmc.h>