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-rw-r--r--roms/u-boot/drivers/net/altera_tse.h232
1 files changed, 232 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/altera_tse.h b/roms/u-boot/drivers/net/altera_tse.h
new file mode 100644
index 000000000..79509b808
--- /dev/null
+++ b/roms/u-boot/drivers/net/altera_tse.h
@@ -0,0 +1,232 @@
+/*
+ * Altera 10/100/1000 triple speed ethernet mac
+ *
+ * Copyright (C) 2008 Altera Corporation.
+ * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * 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 _ALTERA_TSE_H_
+#define _ALTERA_TSE_H_
+
+#include <linux/bitops.h>
+#define __packed_1_ __packed __aligned(1)
+
+/* dma type */
+#define ALT_SGDMA 0
+#define ALT_MSGDMA 1
+
+/* SGDMA Stuff */
+#define ALT_SGDMA_STATUS_BUSY_MSK BIT(4)
+
+#define ALT_SGDMA_CONTROL_RUN_MSK BIT(5)
+#define ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK BIT(6)
+#define ALT_SGDMA_CONTROL_SOFTWARERESET_MSK BIT(16)
+
+/*
+ * Descriptor control bit masks & offsets
+ *
+ * Note: The control byte physically occupies bits [31:24] in memory.
+ * The following bit-offsets are expressed relative to the LSB of
+ * the control register bitfield.
+ */
+#define ALT_SGDMA_DESCRIPTOR_CONTROL_GENERATE_EOP_MSK BIT(0)
+#define ALT_SGDMA_DESCRIPTOR_CONTROL_READ_FIXED_ADDRESS_MSK BIT(1)
+#define ALT_SGDMA_DESCRIPTOR_CONTROL_WRITE_FIXED_ADDRESS_MSK BIT(2)
+#define ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK BIT(7)
+
+/*
+ * Descriptor status bit masks & offsets
+ *
+ * Note: The status byte physically occupies bits [23:16] in memory.
+ * The following bit-offsets are expressed relative to the LSB of
+ * the status register bitfield.
+ */
+#define ALT_SGDMA_DESCRIPTOR_STATUS_TERMINATED_BY_EOP_MSK BIT(7)
+
+/*
+ * The SGDMA controller buffer descriptor allocates
+ * 64 bits for each address. To support ANSI C, the
+ * struct implementing a descriptor places 32-bits
+ * of padding directly above each address; each pad must
+ * be cleared when initializing a descriptor.
+ */
+
+/*
+ * Buffer Descriptor data structure
+ *
+ */
+struct alt_sgdma_descriptor {
+ u32 source; /* the address of data to be read. */
+ u32 source_pad;
+
+ u32 destination; /* the address to write data */
+ u32 destination_pad;
+
+ u32 next; /* the next descriptor in the list. */
+ u32 next_pad;
+
+ u16 bytes_to_transfer; /* the number of bytes to transfer */
+ u8 read_burst;
+ u8 write_burst;
+
+ u16 actual_bytes_transferred;/* bytes transferred by DMA */
+ u8 descriptor_status;
+ u8 descriptor_control;
+
+} __packed_1_;
+
+/* SG-DMA Control/Status Slave registers map */
+
+struct alt_sgdma_registers {
+ u32 status;
+ u32 status_pad[3];
+ u32 control;
+ u32 control_pad[3];
+ u32 next_descriptor_pointer;
+ u32 descriptor_pad[3];
+};
+
+/* mSGDMA Stuff */
+
+/* mSGDMA extended descriptor format */
+struct msgdma_extended_desc {
+ u32 read_addr_lo; /* data buffer source address low bits */
+ u32 write_addr_lo; /* data buffer destination address low bits */
+ u32 len;
+ u32 burst_seq_num;
+ u32 stride;
+ u32 read_addr_hi; /* data buffer source address high bits */
+ u32 write_addr_hi; /* data buffer destination address high bits */
+ u32 control; /* characteristics of the transfer */
+};
+
+/* mSGDMA descriptor control field bit definitions */
+#define MSGDMA_DESC_CTL_GEN_SOP BIT(8)
+#define MSGDMA_DESC_CTL_GEN_EOP BIT(9)
+#define MSGDMA_DESC_CTL_END_ON_EOP BIT(12)
+#define MSGDMA_DESC_CTL_END_ON_LEN BIT(13)
+#define MSGDMA_DESC_CTL_GO BIT(31)
+
+/* Tx buffer control flags */
+#define MSGDMA_DESC_CTL_TX_SINGLE (MSGDMA_DESC_CTL_GEN_SOP | \
+ MSGDMA_DESC_CTL_GEN_EOP | \
+ MSGDMA_DESC_CTL_GO)
+
+#define MSGDMA_DESC_CTL_RX_SINGLE (MSGDMA_DESC_CTL_END_ON_EOP | \
+ MSGDMA_DESC_CTL_END_ON_LEN | \
+ MSGDMA_DESC_CTL_GO)
+
+/* mSGDMA extended descriptor stride definitions */
+#define MSGDMA_DESC_TX_STRIDE 0x00010001
+#define MSGDMA_DESC_RX_STRIDE 0x00010001
+
+/* mSGDMA dispatcher control and status register map */
+struct msgdma_csr {
+ u32 status; /* Read/Clear */
+ u32 control; /* Read/Write */
+ u32 rw_fill_level;
+ u32 resp_fill_level; /* bit 15:0 */
+ u32 rw_seq_num;
+ u32 pad[3]; /* reserved */
+};
+
+/* mSGDMA CSR status register bit definitions */
+#define MSGDMA_CSR_STAT_BUSY BIT(0)
+#define MSGDMA_CSR_STAT_RESETTING BIT(6)
+#define MSGDMA_CSR_STAT_MASK 0x3FF
+
+/* mSGDMA CSR control register bit definitions */
+#define MSGDMA_CSR_CTL_RESET BIT(1)
+
+/* mSGDMA response register map */
+struct msgdma_response {
+ u32 bytes_transferred;
+ u32 status;
+};
+
+/* TSE Stuff */
+#define ALTERA_TSE_CMD_TX_ENA_MSK BIT(0)
+#define ALTERA_TSE_CMD_RX_ENA_MSK BIT(1)
+#define ALTERA_TSE_CMD_ETH_SPEED_MSK BIT(3)
+#define ALTERA_TSE_CMD_HD_ENA_MSK BIT(10)
+#define ALTERA_TSE_CMD_SW_RESET_MSK BIT(13)
+#define ALTERA_TSE_CMD_ENA_10_MSK BIT(25)
+
+#define ALT_TSE_SW_RESET_TIMEOUT (3 * CONFIG_SYS_HZ)
+#define ALT_TSE_SGDMA_BUSY_TIMEOUT (3 * CONFIG_SYS_HZ)
+
+/* MAC register Space */
+
+struct alt_tse_mac {
+ u32 megacore_revision;
+ u32 scratch_pad;
+ u32 command_config;
+ u32 mac_addr_0;
+ u32 mac_addr_1;
+ u32 max_frame_length;
+ u32 pause_quanta;
+ u32 rx_sel_empty_threshold;
+ u32 rx_sel_full_threshold;
+ u32 tx_sel_empty_threshold;
+ u32 tx_sel_full_threshold;
+ u32 rx_almost_empty_threshold;
+ u32 rx_almost_full_threshold;
+ u32 tx_almost_empty_threshold;
+ u32 tx_almost_full_threshold;
+ u32 mdio_phy0_addr;
+ u32 mdio_phy1_addr;
+
+ u32 reserved1[0x29];
+
+ /*FIFO control register. */
+ u32 tx_cmd_stat;
+ u32 rx_cmd_stat;
+
+ u32 reserved2[0x44];
+
+ /*Registers 0 to 31 within PHY device 0/1 */
+ u32 mdio_phy0[0x20];
+ u32 mdio_phy1[0x20];
+
+ /*4 Supplemental MAC Addresses */
+ u32 supp_mac_addr_0_0;
+ u32 supp_mac_addr_0_1;
+ u32 supp_mac_addr_1_0;
+ u32 supp_mac_addr_1_1;
+ u32 supp_mac_addr_2_0;
+ u32 supp_mac_addr_2_1;
+ u32 supp_mac_addr_3_0;
+ u32 supp_mac_addr_3_1;
+
+ u32 reserved3[0x38];
+};
+
+struct tse_ops {
+ int (*send)(struct udevice *dev, void *packet, int length);
+ int (*recv)(struct udevice *dev, int flags, uchar **packetp);
+ int (*free_pkt)(struct udevice *dev, uchar *packet, int length);
+ void (*stop)(struct udevice *dev);
+};
+
+struct altera_tse_priv {
+ struct alt_tse_mac *mac_dev;
+ void *sgdma_rx;
+ void *sgdma_tx;
+ unsigned int rx_fifo_depth;
+ unsigned int tx_fifo_depth;
+ void *rx_desc;
+ void *tx_desc;
+ void *rx_resp;
+ unsigned char *rx_buf;
+ unsigned int phyaddr;
+ unsigned int interface;
+ struct phy_device *phydev;
+ struct mii_dev *bus;
+ const struct tse_ops *ops;
+ int dma_type;
+};
+
+#endif /* _ALTERA_TSE_H_ */