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-rw-r--r--cpu/mpc512x/fec.h227
1 files changed, 227 insertions, 0 deletions
diff --git a/cpu/mpc512x/fec.h b/cpu/mpc512x/fec.h
new file mode 100644
index 00000000000..9c385028708
--- /dev/null
+++ b/cpu/mpc512x/fec.h
@@ -0,0 +1,227 @@
+/*
+ * (C) Copyright 2003 - 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Derived from the MPC8xx driver's header file.
+ */
+
+#ifndef __MPC512X_FEC_H
+#define __MPC512X_FEC_H
+
+#include <common.h>
+#include <mpc512x.h>
+
+typedef unsigned long uint32;
+typedef unsigned short uint16;
+typedef unsigned char uint8;
+
+typedef struct ethernet_register_set {
+
+/* [10:2]addr = 00 */
+
+/* Control and status Registers (offset 000-1FF) */
+
+ volatile uint32 fec_id; /* MBAR_ETH + 0x000 */
+ volatile uint32 ievent; /* MBAR_ETH + 0x004 */
+ volatile uint32 imask; /* MBAR_ETH + 0x008 */
+
+ volatile uint32 RES0[1]; /* MBAR_ETH + 0x00C */
+ volatile uint32 r_des_active; /* MBAR_ETH + 0x010 */
+ volatile uint32 x_des_active; /* MBAR_ETH + 0x014 */
+
+ volatile uint32 RES1[3]; /* MBAR_ETH + 0x018-020 */
+ volatile uint32 ecntrl; /* MBAR_ETH + 0x024 */
+
+ volatile uint32 RES2[6]; /* MBAR_ETH + 0x028-03C */
+ volatile uint32 mii_data; /* MBAR_ETH + 0x040 */
+ volatile uint32 mii_speed; /* MBAR_ETH + 0x044 */
+
+ volatile uint32 RES3[7]; /* MBAR_ETH + 0x048-060 */
+ volatile uint32 mib_control; /* MBAR_ETH + 0x064 */
+
+ volatile uint32 RES4[7]; /* MBAR_ETH + 0x068-80 */
+ volatile uint32 r_cntrl; /* MBAR_ETH + 0x084 */
+ volatile uint32 r_hash; /* MBAR_ETH + 0x088 */
+
+ volatile uint32 RES5[14]; /* MBAR_ETH + 0x08c-0C0 */
+ volatile uint32 x_cntrl; /* MBAR_ETH + 0x0C4 */
+
+ volatile uint32 RES6[7]; /* MBAR_ETH + 0x0C8-0E0 */
+ volatile uint32 paddr1; /* MBAR_ETH + 0x0E4 */
+ volatile uint32 paddr2; /* MBAR_ETH + 0x0E8 */
+ volatile uint32 op_pause; /* MBAR_ETH + 0x0EC */
+
+ volatile uint32 RES7[10]; /* MBAR_ETH + 0x0F0-114 */
+ volatile uint32 iaddr1; /* MBAR_ETH + 0x118 */
+ volatile uint32 iaddr2; /* MBAR_ETH + 0x11C */
+ volatile uint32 gaddr1; /* MBAR_ETH + 0x120 */
+ volatile uint32 gaddr2; /* MBAR_ETH + 0x124 */
+
+ volatile uint32 RES8[6]; /* MBAR_ETH + 0x128-13C */
+ volatile uint32 fifo_id; /* MBAR_ETH + 0x140 */
+ volatile uint32 x_wmrk; /* MBAR_ETH + 0x144 */
+ volatile uint32 RES9[1]; /* MBAR_ETH + 0x148 */
+ volatile uint32 r_bound; /* MBAR_ETH + 0x14C */
+ volatile uint32 r_fstart; /* MBAR_ETH + 0x150 */
+
+ volatile uint32 RES10[11]; /* MBAR_ETH + 0x154-17C */
+ volatile uint32 r_des_start; /* MBAR_ETH + 0x180 */
+ volatile uint32 x_des_start; /* MBAR_ETH + 0x184 */
+ volatile uint32 r_buff_size; /* MBAR_ETH + 0x188 */
+ volatile uint32 RES11[26]; /* MBAR_ETH + 0x18C-1F0 */
+ volatile uint32 dma_control; /* MBAR_ETH + 0x1F4 */
+ volatile uint32 RES12[2]; /* MBAR_ETH + 0x1F8-1FC */
+
+/* MIB COUNTERS (Offset 200-2FF) */
+
+ volatile uint32 rmon_t_drop; /* MBAR_ETH + 0x200 */
+ volatile uint32 rmon_t_packets; /* MBAR_ETH + 0x204 */
+ volatile uint32 rmon_t_bc_pkt; /* MBAR_ETH + 0x208 */
+ volatile uint32 rmon_t_mc_pkt; /* MBAR_ETH + 0x20C */
+ volatile uint32 rmon_t_crc_align; /* MBAR_ETH + 0x210 */
+ volatile uint32 rmon_t_undersize; /* MBAR_ETH + 0x214 */
+ volatile uint32 rmon_t_oversize; /* MBAR_ETH + 0x218 */
+ volatile uint32 rmon_t_frag; /* MBAR_ETH + 0x21C */
+ volatile uint32 rmon_t_jab; /* MBAR_ETH + 0x220 */
+ volatile uint32 rmon_t_col; /* MBAR_ETH + 0x224 */
+ volatile uint32 rmon_t_p64; /* MBAR_ETH + 0x228 */
+ volatile uint32 rmon_t_p65to127; /* MBAR_ETH + 0x22C */
+ volatile uint32 rmon_t_p128to255; /* MBAR_ETH + 0x230 */
+ volatile uint32 rmon_t_p256to511; /* MBAR_ETH + 0x234 */
+ volatile uint32 rmon_t_p512to1023; /* MBAR_ETH + 0x238 */
+ volatile uint32 rmon_t_p1024to2047; /* MBAR_ETH + 0x23C */
+ volatile uint32 rmon_t_p_gte2048; /* MBAR_ETH + 0x240 */
+ volatile uint32 rmon_t_octets; /* MBAR_ETH + 0x244 */
+ volatile uint32 ieee_t_drop; /* MBAR_ETH + 0x248 */
+ volatile uint32 ieee_t_frame_ok; /* MBAR_ETH + 0x24C */
+ volatile uint32 ieee_t_1col; /* MBAR_ETH + 0x250 */
+ volatile uint32 ieee_t_mcol; /* MBAR_ETH + 0x254 */
+ volatile uint32 ieee_t_def; /* MBAR_ETH + 0x258 */
+ volatile uint32 ieee_t_lcol; /* MBAR_ETH + 0x25C */
+ volatile uint32 ieee_t_excol; /* MBAR_ETH + 0x260 */
+ volatile uint32 ieee_t_macerr; /* MBAR_ETH + 0x264 */
+ volatile uint32 ieee_t_cserr; /* MBAR_ETH + 0x268 */
+ volatile uint32 ieee_t_sqe; /* MBAR_ETH + 0x26C */
+ volatile uint32 t_fdxfc; /* MBAR_ETH + 0x270 */
+ volatile uint32 ieee_t_octets_ok; /* MBAR_ETH + 0x274 */
+
+ volatile uint32 RES13[2]; /* MBAR_ETH + 0x278-27C */
+ volatile uint32 rmon_r_drop; /* MBAR_ETH + 0x280 */
+ volatile uint32 rmon_r_packets; /* MBAR_ETH + 0x284 */
+ volatile uint32 rmon_r_bc_pkt; /* MBAR_ETH + 0x288 */
+ volatile uint32 rmon_r_mc_pkt; /* MBAR_ETH + 0x28C */
+ volatile uint32 rmon_r_crc_align; /* MBAR_ETH + 0x290 */
+ volatile uint32 rmon_r_undersize; /* MBAR_ETH + 0x294 */
+ volatile uint32 rmon_r_oversize; /* MBAR_ETH + 0x298 */
+ volatile uint32 rmon_r_frag; /* MBAR_ETH + 0x29C */
+ volatile uint32 rmon_r_jab; /* MBAR_ETH + 0x2A0 */
+
+ volatile uint32 rmon_r_resvd_0; /* MBAR_ETH + 0x2A4 */
+
+ volatile uint32 rmon_r_p64; /* MBAR_ETH + 0x2A8 */
+ volatile uint32 rmon_r_p65to127; /* MBAR_ETH + 0x2AC */
+ volatile uint32 rmon_r_p128to255; /* MBAR_ETH + 0x2B0 */
+ volatile uint32 rmon_r_p256to511; /* MBAR_ETH + 0x2B4 */
+ volatile uint32 rmon_r_p512to1023; /* MBAR_ETH + 0x2B8 */
+ volatile uint32 rmon_r_p1024to2047; /* MBAR_ETH + 0x2BC */
+ volatile uint32 rmon_r_p_gte2048; /* MBAR_ETH + 0x2C0 */
+ volatile uint32 rmon_r_octets; /* MBAR_ETH + 0x2C4 */
+ volatile uint32 ieee_r_drop; /* MBAR_ETH + 0x2C8 */
+ volatile uint32 ieee_r_frame_ok; /* MBAR_ETH + 0x2CC */
+ volatile uint32 ieee_r_crc; /* MBAR_ETH + 0x2D0 */
+ volatile uint32 ieee_r_align; /* MBAR_ETH + 0x2D4 */
+ volatile uint32 r_macerr; /* MBAR_ETH + 0x2D8 */
+ volatile uint32 r_fdxfc; /* MBAR_ETH + 0x2DC */
+ volatile uint32 ieee_r_octets_ok; /* MBAR_ETH + 0x2E0 */
+
+ volatile uint32 RES14[6]; /* MBAR_ETH + 0x2E4-2FC */
+
+ volatile uint32 RES15[64]; /* MBAR_ETH + 0x300-3FF */
+} ethernet_regs;
+
+/* Receive & Transmit Buffer Descriptor definitions */
+typedef struct BufferDescriptor {
+ uint16 status;
+ uint16 dataLength;
+ uint32 dataPointer;
+} FEC_RBD;
+
+typedef struct {
+ uint16 status;
+ uint16 dataLength;
+ uint32 dataPointer;
+} FEC_TBD;
+
+/* private structure */
+typedef enum {
+ SEVENWIRE, /* 7-wire */
+ MII10, /* MII 10Mbps */
+ MII100 /* MII 100Mbps */
+} xceiver_type;
+
+/* BD Numer definitions */
+#define FEC_TBD_NUM 48 /* The user can adjust this value */
+#define FEC_RBD_NUM 32 /* The user can adjust this value */
+
+/* packet size limit */
+#define FEC_MAX_FRAME_LEN 1522 /* recommended default value */
+
+/* Buffer size must be evenly divisible by 16 */
+#define FEC_BUFFER_SIZE ((FEC_MAX_FRAME_LEN + 0x10) & (~0xf))
+
+typedef struct {
+ uint8 frame[FEC_BUFFER_SIZE];
+} mpc512x_frame;
+
+typedef struct {
+ FEC_RBD rbd[FEC_RBD_NUM]; /* RBD ring */
+ FEC_TBD tbd[FEC_TBD_NUM]; /* TBD ring */
+ mpc512x_frame recv_frames[FEC_RBD_NUM]; /* receive buff */
+} mpc512x_buff_descs;
+
+typedef struct {
+ ethernet_regs *eth;
+ xceiver_type xcv_type; /* transceiver type */
+ mpc512x_buff_descs *bdBase; /* BD rings and recv buffer */
+ uint16 rbdIndex; /* next receive BD to read */
+ uint16 tbdIndex; /* next transmit BD to send */
+ uint16 usedTbdIndex; /* next transmit BD to clean */
+ uint16 cleanTbdNum; /* the number of available transmit BDs */
+} mpc512x_fec_priv;
+
+/* RBD bits definitions */
+#define FEC_RBD_EMPTY 0x8000 /* Buffer is empty */
+#define FEC_RBD_WRAP 0x2000 /* Last BD in ring */
+#define FEC_RBD_LAST 0x0800 /* Buffer is last in frame(useless) */
+#define FEC_RBD_MISS 0x0100 /* Miss bit for prom mode */
+#define FEC_RBD_BC 0x0080 /* The received frame is broadcast frame */
+#define FEC_RBD_MC 0x0040 /* The received frame is multicast frame */
+#define FEC_RBD_LG 0x0020 /* Frame length violation */
+#define FEC_RBD_NO 0x0010 /* Nonoctet align frame */
+#define FEC_RBD_SH 0x0008 /* Short frame */
+#define FEC_RBD_CR 0x0004 /* CRC error */
+#define FEC_RBD_OV 0x0002 /* Receive FIFO overrun */
+#define FEC_RBD_TR 0x0001 /* Frame is truncated */
+#define FEC_RBD_ERR (FEC_RBD_LG | FEC_RBD_NO | FEC_RBD_CR | \
+ FEC_RBD_OV | FEC_RBD_TR)
+
+/* TBD bits definitions */
+#define FEC_TBD_READY 0x8000 /* Buffer is ready */
+#define FEC_TBD_WRAP 0x2000 /* Last BD in ring */
+#define FEC_TBD_LAST 0x0800 /* Buffer is last in frame */
+#define FEC_TBD_TC 0x0400 /* Transmit the CRC */
+#define FEC_TBD_ABC 0x0200 /* Append bad CRC */
+
+/* MII-related definitios */
+#define FEC_MII_DATA_ST 0x40000000 /* Start of frame delimiter */
+#define FEC_MII_DATA_OP_RD 0x20000000 /* Perform a read operation */
+#define FEC_MII_DATA_OP_WR 0x10000000 /* Perform a write operation */
+#define FEC_MII_DATA_PA_MSK 0x0f800000 /* PHY Address field mask */
+#define FEC_MII_DATA_RA_MSK 0x007c0000 /* PHY Register field mask */
+#define FEC_MII_DATA_TA 0x00020000 /* Turnaround */
+#define FEC_MII_DATA_DATAMSK 0x0000ffff /* PHY data field */
+
+#define FEC_MII_DATA_RA_SHIFT 18 /* MII Register address bits */
+#define FEC_MII_DATA_PA_SHIFT 23 /* MII PHY address bits */
+
+#endif /* __MPC512X_FEC_H */