upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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796 lines
30 KiB
796 lines
30 KiB
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/*
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* MPC8260 Communication Processor Module.
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* Copyright (c) 1999 Dan Malek (dmalek@jlc.net)
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*
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* This file contains structures and information for the communication
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* processor channels found in the dual port RAM or parameter RAM.
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* All CPM control and status is available through the MPC8260 internal
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* memory map. See immap.h for details.
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*/
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#ifndef __CPM_82XX__
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#define __CPM_82XX__
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#include <asm/immap_8260.h>
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/* CPM Command register.
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*/
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#define CPM_CR_RST ((uint)0x80000000)
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#define CPM_CR_PAGE ((uint)0x7c000000)
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#define CPM_CR_SBLOCK ((uint)0x03e00000)
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#define CPM_CR_FLG ((uint)0x00010000)
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#define CPM_CR_MCN ((uint)0x00003fc0)
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#define CPM_CR_OPCODE ((uint)0x0000000f)
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/* Device sub-block and page codes.
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*/
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#define CPM_CR_SCC1_SBLOCK (0x04)
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#define CPM_CR_SCC2_SBLOCK (0x05)
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#define CPM_CR_SCC3_SBLOCK (0x06)
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#define CPM_CR_SCC4_SBLOCK (0x07)
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#define CPM_CR_SMC1_SBLOCK (0x08)
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#define CPM_CR_SMC2_SBLOCK (0x09)
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#define CPM_CR_SPI_SBLOCK (0x0a)
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#define CPM_CR_I2C_SBLOCK (0x0b)
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#define CPM_CR_TIMER_SBLOCK (0x0f)
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#define CPM_CR_RAND_SBLOCK (0x0e)
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#define CPM_CR_FCC1_SBLOCK (0x10)
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#define CPM_CR_FCC2_SBLOCK (0x11)
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#define CPM_CR_FCC3_SBLOCK (0x12)
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#define CPM_CR_IDMA1_SBLOCK (0x14)
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#define CPM_CR_IDMA2_SBLOCK (0x15)
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#define CPM_CR_IDMA3_SBLOCK (0x16)
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#define CPM_CR_IDMA4_SBLOCK (0x17)
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#define CPM_CR_MCC1_SBLOCK (0x1c)
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#define CPM_CR_SCC1_PAGE (0x00)
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#define CPM_CR_SCC2_PAGE (0x01)
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#define CPM_CR_SCC3_PAGE (0x02)
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#define CPM_CR_SCC4_PAGE (0x03)
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#define CPM_CR_SMC1_PAGE (0x07)
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#define CPM_CR_SMC2_PAGE (0x08)
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#define CPM_CR_SPI_PAGE (0x09)
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#define CPM_CR_I2C_PAGE (0x0a)
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#define CPM_CR_TIMER_PAGE (0x0a)
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#define CPM_CR_RAND_PAGE (0x0a)
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#define CPM_CR_FCC1_PAGE (0x04)
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#define CPM_CR_FCC2_PAGE (0x05)
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#define CPM_CR_FCC3_PAGE (0x06)
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#define CPM_CR_IDMA1_PAGE (0x07)
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#define CPM_CR_IDMA2_PAGE (0x08)
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#define CPM_CR_IDMA3_PAGE (0x09)
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#define CPM_CR_IDMA4_PAGE (0x0a)
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#define CPM_CR_MCC1_PAGE (0x07)
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#define CPM_CR_MCC2_PAGE (0x08)
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/* Some opcodes (there are more...later)
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*/
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#define CPM_CR_INIT_TRX ((ushort)0x0000)
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#define CPM_CR_INIT_RX ((ushort)0x0001)
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#define CPM_CR_INIT_TX ((ushort)0x0002)
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#define CPM_CR_HUNT_MODE ((ushort)0x0003)
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#define CPM_CR_STOP_TX ((ushort)0x0004)
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#define CPM_CR_RESTART_TX ((ushort)0x0006)
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#define CPM_CR_SET_GADDR ((ushort)0x0008)
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#define mk_cr_cmd(PG, SBC, MCN, OP) \
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((PG << 26) | (SBC << 21) | (MCN << 6) | OP)
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/* Dual Port RAM addresses. The first 16K is available for almost
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* any CPM use, so we put the BDs there. The first 128 bytes are
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* used for SMC1 and SMC2 parameter RAM, so we start allocating
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* BDs above that. All of this must change when we start
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* downloading RAM microcode.
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*/
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#define CPM_DATAONLY_BASE ((uint)128)
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#define CPM_DP_NOSPACE ((uint)0x7fffffff)
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#ifndef CONFIG_MPC8272_FAMILY
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#define CPM_DATAONLY_SIZE ((uint)(8 * 1024) - CPM_DATAONLY_BASE)
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#define CPM_FCC_SPECIAL_BASE ((uint)0x0000b000)
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#else /* 8247/48/71/72 */
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#define CPM_DATAONLY_SIZE ((uint)(4 * 1024) - CPM_DATAONLY_BASE)
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#define CPM_FCC_SPECIAL_BASE ((uint)0x00009000)
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#endif /* !CONFIG_MPC8272_FAMILY */
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/* The number of pages of host memory we allocate for CPM. This is
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* done early in kernel initialization to get physically contiguous
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* pages.
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*/
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#define NUM_CPM_HOST_PAGES 2
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/* Export the base address of the communication processor registers
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* and dual port ram.
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*/
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extern cpm8260_t *cpmp; /* Pointer to comm processor */
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uint m8260_cpm_dpalloc(uint size, uint align);
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uint m8260_cpm_hostalloc(uint size, uint align);
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void m8260_cpm_setbrg(uint brg, uint rate);
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void m8260_cpm_fastbrg(uint brg, uint rate, int div16);
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void m8260_cpm_extcbrg(uint brg, uint rate, uint extclk, int pinsel);
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/* Buffer descriptors used by many of the CPM protocols.
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*/
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typedef struct cpm_buf_desc {
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ushort cbd_sc; /* Status and Control */
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ushort cbd_datlen; /* Data length in buffer */
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uint cbd_bufaddr; /* Buffer address in host memory */
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} cbd_t;
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#define BD_SC_EMPTY ((ushort)0x8000) /* Receive is empty */
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#define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */
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#define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */
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#define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */
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#define BD_SC_LAST ((ushort)0x0800) /* Last buffer in frame */
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#define BD_SC_CM ((ushort)0x0200) /* Continous mode */
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#define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */
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#define BD_SC_P ((ushort)0x0100) /* xmt preamble */
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#define BD_SC_BR ((ushort)0x0020) /* Break received */
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#define BD_SC_FR ((ushort)0x0010) /* Framing error */
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#define BD_SC_PR ((ushort)0x0008) /* Parity error */
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#define BD_SC_OV ((ushort)0x0002) /* Overrun */
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#define BD_SC_CD ((ushort)0x0001) /* ?? */
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/* Function code bits, usually generic to devices.
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*/
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#define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */
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#define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */
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#define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */
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#define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */
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#define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */
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/* Parameter RAM offsets from the base.
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*/
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#ifndef CONFIG_SYS_CPM_POST_WORD_ADDR
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#define CPM_POST_WORD_ADDR 0x80FC /* steal a long at the end of SCC1 */
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#else
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#define CPM_POST_WORD_ADDR CONFIG_SYS_CPM_POST_WORD_ADDR
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#endif
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#ifndef CONFIG_SYS_CPM_BOOTCOUNT_ADDR
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#define CPM_BOOTCOUNT_ADDR (CPM_POST_WORD_ADDR - 2*sizeof(ulong))
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#else
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#define CPM_BOOTCOUNT_ADDR CONFIG_SYS_CPM_BOOTCOUNT_ADDR
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#endif
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#define PROFF_SCC1 ((uint)0x8000)
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#define PROFF_SCC2 ((uint)0x8100)
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#define PROFF_SCC3 ((uint)0x8200)
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#define PROFF_SCC4 ((uint)0x8300)
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#define PROFF_FCC1 ((uint)0x8400)
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#define PROFF_FCC2 ((uint)0x8500)
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#define PROFF_FCC3 ((uint)0x8600)
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#define PROFF_MCC1 ((uint)0x8700)
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#define PROFF_SMC1_BASE ((uint)0x87fc)
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#define PROFF_IDMA1_BASE ((uint)0x87fe)
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#define PROFF_MCC2 ((uint)0x8800)
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#define PROFF_SMC2_BASE ((uint)0x88fc)
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#define PROFF_IDMA2_BASE ((uint)0x88fe)
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#define PROFF_SPI_BASE ((uint)0x89fc)
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#define PROFF_IDMA3_BASE ((uint)0x89fe)
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#define PROFF_TIMERS ((uint)0x8ae0)
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#define PROFF_REVNUM ((uint)0x8af0)
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#define PROFF_RAND ((uint)0x8af8)
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#define PROFF_I2C_BASE ((uint)0x8afc)
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#define PROFF_IDMA4_BASE ((uint)0x8afe)
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/* The SMCs are relocated to any of the first eight DPRAM pages.
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* We will fix these at the first locations of DPRAM, until we
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* get some microcode patches :-).
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* The parameter ram space for the SMCs is fifty-some bytes, and
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* they are required to start on a 64 byte boundary.
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*/
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#define PROFF_SMC1 (0)
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#define PROFF_SMC2 (64)
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#define PROFF_SPI ((16*1024) - 128)
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/* Define enough so I can at least use the serial port as a UART.
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*/
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typedef struct smc_uart {
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ushort smc_rbase; /* Rx Buffer descriptor base address */
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ushort smc_tbase; /* Tx Buffer descriptor base address */
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u_char smc_rfcr; /* Rx function code */
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u_char smc_tfcr; /* Tx function code */
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ushort smc_mrblr; /* Max receive buffer length */
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uint smc_rstate; /* Internal */
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uint smc_idp; /* Internal */
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ushort smc_rbptr; /* Internal */
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ushort smc_ibc; /* Internal */
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uint smc_rxtmp; /* Internal */
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uint smc_tstate; /* Internal */
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uint smc_tdp; /* Internal */
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ushort smc_tbptr; /* Internal */
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ushort smc_tbc; /* Internal */
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uint smc_txtmp; /* Internal */
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ushort smc_maxidl; /* Maximum idle characters */
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ushort smc_tmpidl; /* Temporary idle counter */
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ushort smc_brklen; /* Last received break length */
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ushort smc_brkec; /* rcv'd break condition counter */
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ushort smc_brkcr; /* xmt break count register */
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ushort smc_rmask; /* Temporary bit mask */
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uint smc_stmp; /* SDMA Temp */
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} smc_uart_t;
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/* SMC uart mode register (Internal memory map).
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*/
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#define SMCMR_REN ((ushort)0x0001)
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#define SMCMR_TEN ((ushort)0x0002)
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#define SMCMR_DM ((ushort)0x000c)
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#define SMCMR_SM_GCI ((ushort)0x0000)
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#define SMCMR_SM_UART ((ushort)0x0020)
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#define SMCMR_SM_TRANS ((ushort)0x0030)
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#define SMCMR_SM_MASK ((ushort)0x0030)
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#define SMCMR_PM_EVEN ((ushort)0x0100) /* Even parity, else odd */
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#define SMCMR_REVD SMCMR_PM_EVEN
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#define SMCMR_PEN ((ushort)0x0200) /* Parity enable */
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#define SMCMR_BS SMCMR_PEN
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#define SMCMR_SL ((ushort)0x0400) /* Two stops, else one */
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#define SMCR_CLEN_MASK ((ushort)0x7800) /* Character length */
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#define smcr_mk_clen(C) (((C) << 11) & SMCR_CLEN_MASK)
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/* SMC Event and Mask register.
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*/
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#define SMCM_TXE ((unsigned char)0x10)
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#define SMCM_BSY ((unsigned char)0x04)
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#define SMCM_TX ((unsigned char)0x02)
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#define SMCM_RX ((unsigned char)0x01)
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/* Baud rate generators.
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*/
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#define CPM_BRG_RST ((uint)0x00020000)
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#define CPM_BRG_EN ((uint)0x00010000)
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#define CPM_BRG_EXTC_INT ((uint)0x00000000)
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#define CPM_BRG_EXTC_CLK3_9 ((uint)0x00004000)
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#define CPM_BRG_EXTC_CLK5_15 ((uint)0x00008000)
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#define CPM_BRG_ATB ((uint)0x00002000)
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#define CPM_BRG_CD_MASK ((uint)0x00001ffe)
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#define CPM_BRG_DIV16 ((uint)0x00000001)
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/* SCCs.
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*/
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#define SCC_GSMRH_IRP ((uint)0x00040000)
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#define SCC_GSMRH_GDE ((uint)0x00010000)
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#define SCC_GSMRH_TCRC_CCITT ((uint)0x00008000)
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#define SCC_GSMRH_TCRC_BISYNC ((uint)0x00004000)
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#define SCC_GSMRH_TCRC_HDLC ((uint)0x00000000)
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#define SCC_GSMRH_REVD ((uint)0x00002000)
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#define SCC_GSMRH_TRX ((uint)0x00001000)
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#define SCC_GSMRH_TTX ((uint)0x00000800)
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#define SCC_GSMRH_CDP ((uint)0x00000400)
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#define SCC_GSMRH_CTSP ((uint)0x00000200)
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#define SCC_GSMRH_CDS ((uint)0x00000100)
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#define SCC_GSMRH_CTSS ((uint)0x00000080)
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#define SCC_GSMRH_TFL ((uint)0x00000040)
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#define SCC_GSMRH_RFW ((uint)0x00000020)
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#define SCC_GSMRH_TXSY ((uint)0x00000010)
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#define SCC_GSMRH_SYNL16 ((uint)0x0000000c)
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#define SCC_GSMRH_SYNL8 ((uint)0x00000008)
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#define SCC_GSMRH_SYNL4 ((uint)0x00000004)
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#define SCC_GSMRH_RTSM ((uint)0x00000002)
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#define SCC_GSMRH_RSYN ((uint)0x00000001)
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#define SCC_GSMRL_SIR ((uint)0x80000000) /* SCC2 only */
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#define SCC_GSMRL_EDGE_NONE ((uint)0x60000000)
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#define SCC_GSMRL_EDGE_NEG ((uint)0x40000000)
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#define SCC_GSMRL_EDGE_POS ((uint)0x20000000)
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#define SCC_GSMRL_EDGE_BOTH ((uint)0x00000000)
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#define SCC_GSMRL_TCI ((uint)0x10000000)
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#define SCC_GSMRL_TSNC_3 ((uint)0x0c000000)
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#define SCC_GSMRL_TSNC_4 ((uint)0x08000000)
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#define SCC_GSMRL_TSNC_14 ((uint)0x04000000)
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#define SCC_GSMRL_TSNC_INF ((uint)0x00000000)
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#define SCC_GSMRL_RINV ((uint)0x02000000)
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#define SCC_GSMRL_TINV ((uint)0x01000000)
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#define SCC_GSMRL_TPL_128 ((uint)0x00c00000)
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#define SCC_GSMRL_TPL_64 ((uint)0x00a00000)
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#define SCC_GSMRL_TPL_48 ((uint)0x00800000)
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#define SCC_GSMRL_TPL_32 ((uint)0x00600000)
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#define SCC_GSMRL_TPL_16 ((uint)0x00400000)
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#define SCC_GSMRL_TPL_8 ((uint)0x00200000)
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#define SCC_GSMRL_TPL_NONE ((uint)0x00000000)
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#define SCC_GSMRL_TPP_ALL1 ((uint)0x00180000)
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#define SCC_GSMRL_TPP_01 ((uint)0x00100000)
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#define SCC_GSMRL_TPP_10 ((uint)0x00080000)
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#define SCC_GSMRL_TPP_ZEROS ((uint)0x00000000)
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#define SCC_GSMRL_TEND ((uint)0x00040000)
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#define SCC_GSMRL_TDCR_32 ((uint)0x00030000)
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#define SCC_GSMRL_TDCR_16 ((uint)0x00020000)
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#define SCC_GSMRL_TDCR_8 ((uint)0x00010000)
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#define SCC_GSMRL_TDCR_1 ((uint)0x00000000)
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#define SCC_GSMRL_RDCR_32 ((uint)0x0000c000)
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#define SCC_GSMRL_RDCR_16 ((uint)0x00008000)
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#define SCC_GSMRL_RDCR_8 ((uint)0x00004000)
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#define SCC_GSMRL_RDCR_1 ((uint)0x00000000)
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#define SCC_GSMRL_RENC_DFMAN ((uint)0x00003000)
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#define SCC_GSMRL_RENC_MANCH ((uint)0x00002000)
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#define SCC_GSMRL_RENC_FM0 ((uint)0x00001000)
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#define SCC_GSMRL_RENC_NRZI ((uint)0x00000800)
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#define SCC_GSMRL_RENC_NRZ ((uint)0x00000000)
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#define SCC_GSMRL_TENC_DFMAN ((uint)0x00000600)
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#define SCC_GSMRL_TENC_MANCH ((uint)0x00000400)
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#define SCC_GSMRL_TENC_FM0 ((uint)0x00000200)
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#define SCC_GSMRL_TENC_NRZI ((uint)0x00000100)
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#define SCC_GSMRL_TENC_NRZ ((uint)0x00000000)
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#define SCC_GSMRL_DIAG_LE ((uint)0x000000c0) /* Loop and echo */
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#define SCC_GSMRL_DIAG_ECHO ((uint)0x00000080)
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#define SCC_GSMRL_DIAG_LOOP ((uint)0x00000040)
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#define SCC_GSMRL_DIAG_NORM ((uint)0x00000000)
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#define SCC_GSMRL_ENR ((uint)0x00000020)
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#define SCC_GSMRL_ENT ((uint)0x00000010)
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#define SCC_GSMRL_MODE_ENET ((uint)0x0000000c)
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#define SCC_GSMRL_MODE_DDCMP ((uint)0x00000009)
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#define SCC_GSMRL_MODE_BISYNC ((uint)0x00000008)
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#define SCC_GSMRL_MODE_V14 ((uint)0x00000007)
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#define SCC_GSMRL_MODE_AHDLC ((uint)0x00000006)
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#define SCC_GSMRL_MODE_PROFIBUS ((uint)0x00000005)
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#define SCC_GSMRL_MODE_UART ((uint)0x00000004)
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#define SCC_GSMRL_MODE_SS7 ((uint)0x00000003)
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#define SCC_GSMRL_MODE_ATALK ((uint)0x00000002)
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#define SCC_GSMRL_MODE_HDLC ((uint)0x00000000)
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#define SCC_TODR_TOD ((ushort)0x8000)
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/* SCC Event and Mask register.
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*/
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#define SCCM_TXE ((unsigned char)0x10)
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#define SCCM_BSY ((unsigned char)0x04)
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#define SCCM_TX ((unsigned char)0x02)
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#define SCCM_RX ((unsigned char)0x01)
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typedef struct scc_param {
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ushort scc_rbase; /* Rx Buffer descriptor base address */
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ushort scc_tbase; /* Tx Buffer descriptor base address */
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u_char scc_rfcr; /* Rx function code */
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u_char scc_tfcr; /* Tx function code */
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ushort scc_mrblr; /* Max receive buffer length */
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uint scc_rstate; /* Internal */
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uint scc_idp; /* Internal */
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ushort scc_rbptr; /* Internal */
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ushort scc_ibc; /* Internal */
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uint scc_rxtmp; /* Internal */
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uint scc_tstate; /* Internal */
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uint scc_tdp; /* Internal */
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ushort scc_tbptr; /* Internal */
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ushort scc_tbc; /* Internal */
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uint scc_txtmp; /* Internal */
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uint scc_rcrc; /* Internal */
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uint scc_tcrc; /* Internal */
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} sccp_t;
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/* CPM Ethernet through SCC1.
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*/
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typedef struct scc_enet {
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sccp_t sen_genscc;
|
|
uint sen_cpres; /* Preset CRC */
|
|
uint sen_cmask; /* Constant mask for CRC */
|
|
uint sen_crcec; /* CRC Error counter */
|
|
uint sen_alec; /* alignment error counter */
|
|
uint sen_disfc; /* discard frame counter */
|
|
ushort sen_pads; /* Tx short frame pad character */
|
|
ushort sen_retlim; /* Retry limit threshold */
|
|
ushort sen_retcnt; /* Retry limit counter */
|
|
ushort sen_maxflr; /* maximum frame length register */
|
|
ushort sen_minflr; /* minimum frame length register */
|
|
ushort sen_maxd1; /* maximum DMA1 length */
|
|
ushort sen_maxd2; /* maximum DMA2 length */
|
|
ushort sen_maxd; /* Rx max DMA */
|
|
ushort sen_dmacnt; /* Rx DMA counter */
|
|
ushort sen_maxb; /* Max BD byte count */
|
|
ushort sen_gaddr1; /* Group address filter */
|
|
ushort sen_gaddr2;
|
|
ushort sen_gaddr3;
|
|
ushort sen_gaddr4;
|
|
uint sen_tbuf0data0; /* Save area 0 - current frame */
|
|
uint sen_tbuf0data1; /* Save area 1 - current frame */
|
|
uint sen_tbuf0rba; /* Internal */
|
|
uint sen_tbuf0crc; /* Internal */
|
|
ushort sen_tbuf0bcnt; /* Internal */
|
|
ushort sen_paddrh; /* physical address (MSB) */
|
|
ushort sen_paddrm;
|
|
ushort sen_paddrl; /* physical address (LSB) */
|
|
ushort sen_pper; /* persistence */
|
|
ushort sen_rfbdptr; /* Rx first BD pointer */
|
|
ushort sen_tfbdptr; /* Tx first BD pointer */
|
|
ushort sen_tlbdptr; /* Tx last BD pointer */
|
|
uint sen_tbuf1data0; /* Save area 0 - current frame */
|
|
uint sen_tbuf1data1; /* Save area 1 - current frame */
|
|
uint sen_tbuf1rba; /* Internal */
|
|
uint sen_tbuf1crc; /* Internal */
|
|
ushort sen_tbuf1bcnt; /* Internal */
|
|
ushort sen_txlen; /* Tx Frame length counter */
|
|
ushort sen_iaddr1; /* Individual address filter */
|
|
ushort sen_iaddr2;
|
|
ushort sen_iaddr3;
|
|
ushort sen_iaddr4;
|
|
ushort sen_boffcnt; /* Backoff counter */
|
|
|
|
/* NOTE: Some versions of the manual have the following items
|
|
* incorrectly documented. Below is the proper order.
|
|
*/
|
|
ushort sen_taddrh; /* temp address (MSB) */
|
|
ushort sen_taddrm;
|
|
ushort sen_taddrl; /* temp address (LSB) */
|
|
} scc_enet_t;
|
|
|
|
|
|
/* SCC Event register as used by Ethernet.
|
|
*/
|
|
#define SCCE_ENET_GRA ((ushort)0x0080) /* Graceful stop complete */
|
|
#define SCCE_ENET_TXE ((ushort)0x0010) /* Transmit Error */
|
|
#define SCCE_ENET_RXF ((ushort)0x0008) /* Full frame received */
|
|
#define SCCE_ENET_BSY ((ushort)0x0004) /* All incoming buffers full */
|
|
#define SCCE_ENET_TXB ((ushort)0x0002) /* A buffer was transmitted */
|
|
#define SCCE_ENET_RXB ((ushort)0x0001) /* A buffer was received */
|
|
|
|
/* SCC Mode Register (PSMR) as used by Ethernet.
|
|
*/
|
|
#define SCC_PSMR_HBC ((ushort)0x8000) /* Enable heartbeat */
|
|
#define SCC_PSMR_FC ((ushort)0x4000) /* Force collision */
|
|
#define SCC_PSMR_RSH ((ushort)0x2000) /* Receive short frames */
|
|
#define SCC_PSMR_IAM ((ushort)0x1000) /* Check individual hash */
|
|
#define SCC_PSMR_ENCRC ((ushort)0x0800) /* Ethernet CRC mode */
|
|
#define SCC_PSMR_PRO ((ushort)0x0200) /* Promiscuous mode */
|
|
#define SCC_PSMR_BRO ((ushort)0x0100) /* Catch broadcast pkts */
|
|
#define SCC_PSMR_SBT ((ushort)0x0080) /* Special backoff timer */
|
|
#define SCC_PSMR_LPB ((ushort)0x0040) /* Set Loopback mode */
|
|
#define SCC_PSMR_SIP ((ushort)0x0020) /* Sample Input Pins */
|
|
#define SCC_PSMR_LCW ((ushort)0x0010) /* Late collision window */
|
|
#define SCC_PSMR_NIB22 ((ushort)0x000a) /* Start frame search */
|
|
#define SCC_PSMR_FDE ((ushort)0x0001) /* Full duplex enable */
|
|
|
|
/* Buffer descriptor control/status used by Ethernet receive.
|
|
* Common to SCC and FCC.
|
|
*/
|
|
#define BD_ENET_RX_EMPTY ((ushort)0x8000)
|
|
#define BD_ENET_RX_WRAP ((ushort)0x2000)
|
|
#define BD_ENET_RX_INTR ((ushort)0x1000)
|
|
#define BD_ENET_RX_LAST ((ushort)0x0800)
|
|
#define BD_ENET_RX_FIRST ((ushort)0x0400)
|
|
#define BD_ENET_RX_MISS ((ushort)0x0100)
|
|
#define BD_ENET_RX_BC ((ushort)0x0080) /* FCC Only */
|
|
#define BD_ENET_RX_MC ((ushort)0x0040) /* FCC Only */
|
|
#define BD_ENET_RX_LG ((ushort)0x0020)
|
|
#define BD_ENET_RX_NO ((ushort)0x0010)
|
|
#define BD_ENET_RX_SH ((ushort)0x0008)
|
|
#define BD_ENET_RX_CR ((ushort)0x0004)
|
|
#define BD_ENET_RX_OV ((ushort)0x0002)
|
|
#define BD_ENET_RX_CL ((ushort)0x0001)
|
|
#define BD_ENET_RX_STATS ((ushort)0x01ff) /* All status bits */
|
|
|
|
/* Buffer descriptor control/status used by Ethernet transmit.
|
|
* Common to SCC and FCC.
|
|
*/
|
|
#define BD_ENET_TX_READY ((ushort)0x8000)
|
|
#define BD_ENET_TX_PAD ((ushort)0x4000)
|
|
#define BD_ENET_TX_WRAP ((ushort)0x2000)
|
|
#define BD_ENET_TX_INTR ((ushort)0x1000)
|
|
#define BD_ENET_TX_LAST ((ushort)0x0800)
|
|
#define BD_ENET_TX_TC ((ushort)0x0400)
|
|
#define BD_ENET_TX_DEF ((ushort)0x0200)
|
|
#define BD_ENET_TX_HB ((ushort)0x0100)
|
|
#define BD_ENET_TX_LC ((ushort)0x0080)
|
|
#define BD_ENET_TX_RL ((ushort)0x0040)
|
|
#define BD_ENET_TX_RCMASK ((ushort)0x003c)
|
|
#define BD_ENET_TX_UN ((ushort)0x0002)
|
|
#define BD_ENET_TX_CSL ((ushort)0x0001)
|
|
#define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */
|
|
|
|
/* SCC as UART
|
|
*/
|
|
typedef struct scc_uart {
|
|
sccp_t scc_genscc;
|
|
uint scc_res1; /* Reserved */
|
|
uint scc_res2; /* Reserved */
|
|
ushort scc_maxidl; /* Maximum idle chars */
|
|
ushort scc_idlc; /* temp idle counter */
|
|
ushort scc_brkcr; /* Break count register */
|
|
ushort scc_parec; /* receive parity error counter */
|
|
ushort scc_frmec; /* receive framing error counter */
|
|
ushort scc_nosec; /* receive noise counter */
|
|
ushort scc_brkec; /* receive break condition counter */
|
|
ushort scc_brkln; /* last received break length */
|
|
ushort scc_uaddr1; /* UART address character 1 */
|
|
ushort scc_uaddr2; /* UART address character 2 */
|
|
ushort scc_rtemp; /* Temp storage */
|
|
ushort scc_toseq; /* Transmit out of sequence char */
|
|
ushort scc_char1; /* control character 1 */
|
|
ushort scc_char2; /* control character 2 */
|
|
ushort scc_char3; /* control character 3 */
|
|
ushort scc_char4; /* control character 4 */
|
|
ushort scc_char5; /* control character 5 */
|
|
ushort scc_char6; /* control character 6 */
|
|
ushort scc_char7; /* control character 7 */
|
|
ushort scc_char8; /* control character 8 */
|
|
ushort scc_rccm; /* receive control character mask */
|
|
ushort scc_rccr; /* receive control character register */
|
|
ushort scc_rlbc; /* receive last break character */
|
|
} scc_uart_t;
|
|
|
|
/* SCC Event and Mask registers when it is used as a UART.
|
|
*/
|
|
#define UART_SCCM_GLR ((ushort)0x1000)
|
|
#define UART_SCCM_GLT ((ushort)0x0800)
|
|
#define UART_SCCM_AB ((ushort)0x0200)
|
|
#define UART_SCCM_IDL ((ushort)0x0100)
|
|
#define UART_SCCM_GRA ((ushort)0x0080)
|
|
#define UART_SCCM_BRKE ((ushort)0x0040)
|
|
#define UART_SCCM_BRKS ((ushort)0x0020)
|
|
#define UART_SCCM_CCR ((ushort)0x0008)
|
|
#define UART_SCCM_BSY ((ushort)0x0004)
|
|
#define UART_SCCM_TX ((ushort)0x0002)
|
|
#define UART_SCCM_RX ((ushort)0x0001)
|
|
|
|
/* The SCC PSMR when used as a UART.
|
|
*/
|
|
#define SCU_PSMR_FLC ((ushort)0x8000)
|
|
#define SCU_PSMR_SL ((ushort)0x4000)
|
|
#define SCU_PSMR_CL ((ushort)0x3000)
|
|
#define SCU_PSMR_UM ((ushort)0x0c00)
|
|
#define SCU_PSMR_FRZ ((ushort)0x0200)
|
|
#define SCU_PSMR_RZS ((ushort)0x0100)
|
|
#define SCU_PSMR_SYN ((ushort)0x0080)
|
|
#define SCU_PSMR_DRT ((ushort)0x0040)
|
|
#define SCU_PSMR_PEN ((ushort)0x0010)
|
|
#define SCU_PSMR_RPM ((ushort)0x000c)
|
|
#define SCU_PSMR_REVP ((ushort)0x0008)
|
|
#define SCU_PSMR_TPM ((ushort)0x0003)
|
|
#define SCU_PSMR_TEVP ((ushort)0x0003)
|
|
|
|
/* CPM Transparent mode SCC.
|
|
*/
|
|
typedef struct scc_trans {
|
|
sccp_t st_genscc;
|
|
uint st_cpres; /* Preset CRC */
|
|
uint st_cmask; /* Constant mask for CRC */
|
|
} scc_trans_t;
|
|
|
|
#define BD_SCC_TX_LAST ((ushort)0x0800)
|
|
|
|
/* SCC as HDLC controller - taken from commproc.h
|
|
*/
|
|
typedef struct scc_hdlc {
|
|
sccp_t sh_genscc;
|
|
/*
|
|
* HDLC specific parameter RAM
|
|
*/
|
|
uchar res[4]; /* reserved */
|
|
ulong sh_cmask; /* CRC constant */
|
|
ulong sh_cpres; /* CRC preset */
|
|
ushort sh_disfc; /* discarded frame counter */
|
|
ushort sh_crcec; /* CRC error counter */
|
|
ushort sh_abtsc; /* abort sequence counter */
|
|
ushort sh_nmarc; /* nonmatching address rx cnt */
|
|
ushort sh_retrc; /* frame retransmission cnt */
|
|
ushort sh_mflr; /* maximum frame length reg */
|
|
ushort sh_maxcnt; /* maximum length counter */
|
|
ushort sh_rfthr; /* received frames threshold */
|
|
ushort sh_rfcnt; /* received frames count */
|
|
ushort sh_hmask; /* user defined frm addr mask */
|
|
ushort sh_haddr1; /* user defined frm address 1 */
|
|
ushort sh_haddr2; /* user defined frm address 2 */
|
|
ushort sh_haddr3; /* user defined frm address 3 */
|
|
ushort sh_haddr4; /* user defined frm address 4 */
|
|
ushort tmp; /* temp */
|
|
ushort tmp_mb; /* temp */
|
|
} scc_hdlc_t;
|
|
|
|
/* How about some FCCs.....
|
|
*/
|
|
#define FCC_GFMR_DIAG_NORM ((uint)0x00000000)
|
|
#define FCC_GFMR_DIAG_LE ((uint)0x40000000)
|
|
#define FCC_GFMR_DIAG_AE ((uint)0x80000000)
|
|
#define FCC_GFMR_DIAG_ALE ((uint)0xc0000000)
|
|
#define FCC_GFMR_TCI ((uint)0x20000000)
|
|
#define FCC_GFMR_TRX ((uint)0x10000000)
|
|
#define FCC_GFMR_TTX ((uint)0x08000000)
|
|
#define FCC_GFMR_TTX ((uint)0x08000000)
|
|
#define FCC_GFMR_CDP ((uint)0x04000000)
|
|
#define FCC_GFMR_CTSP ((uint)0x02000000)
|
|
#define FCC_GFMR_CDS ((uint)0x01000000)
|
|
#define FCC_GFMR_CTSS ((uint)0x00800000)
|
|
#define FCC_GFMR_SYNL_NONE ((uint)0x00000000)
|
|
#define FCC_GFMR_SYNL_AUTO ((uint)0x00004000)
|
|
#define FCC_GFMR_SYNL_8 ((uint)0x00008000)
|
|
#define FCC_GFMR_SYNL_16 ((uint)0x0000c000)
|
|
#define FCC_GFMR_RTSM ((uint)0x00002000)
|
|
#define FCC_GFMR_RENC_NRZ ((uint)0x00000000)
|
|
#define FCC_GFMR_RENC_NRZI ((uint)0x00000800)
|
|
#define FCC_GFMR_REVD ((uint)0x00000400)
|
|
#define FCC_GFMR_TENC_NRZ ((uint)0x00000000)
|
|
#define FCC_GFMR_TENC_NRZI ((uint)0x00000100)
|
|
#define FCC_GFMR_TCRC_16 ((uint)0x00000000)
|
|
#define FCC_GFMR_TCRC_32 ((uint)0x00000080)
|
|
#define FCC_GFMR_ENR ((uint)0x00000020)
|
|
#define FCC_GFMR_ENT ((uint)0x00000010)
|
|
#define FCC_GFMR_MODE_ENET ((uint)0x0000000c)
|
|
#define FCC_GFMR_MODE_ATM ((uint)0x0000000a)
|
|
#define FCC_GFMR_MODE_HDLC ((uint)0x00000000)
|
|
|
|
/* Generic FCC parameter ram.
|
|
*/
|
|
typedef struct fcc_param {
|
|
ushort fcc_riptr; /* Rx Internal temp pointer */
|
|
ushort fcc_tiptr; /* Tx Internal temp pointer */
|
|
ushort fcc_res1;
|
|
ushort fcc_mrblr; /* Max receive buffer length, mod 32 bytes */
|
|
uint fcc_rstate; /* Upper byte is Func code, must be set */
|
|
uint fcc_rbase; /* Receive BD base */
|
|
ushort fcc_rbdstat; /* RxBD status */
|
|
ushort fcc_rbdlen; /* RxBD down counter */
|
|
uint fcc_rdptr; /* RxBD internal data pointer */
|
|
uint fcc_tstate; /* Upper byte is Func code, must be set */
|
|
uint fcc_tbase; /* Transmit BD base */
|
|
ushort fcc_tbdstat; /* TxBD status */
|
|
ushort fcc_tbdlen; /* TxBD down counter */
|
|
uint fcc_tdptr; /* TxBD internal data pointer */
|
|
uint fcc_rbptr; /* Rx BD Internal buf pointer */
|
|
uint fcc_tbptr; /* Tx BD Internal buf pointer */
|
|
uint fcc_rcrc; /* Rx temp CRC */
|
|
uint fcc_res2;
|
|
uint fcc_tcrc; /* Tx temp CRC */
|
|
} fccp_t;
|
|
|
|
|
|
/* Ethernet controller through FCC.
|
|
*/
|
|
typedef struct fcc_enet {
|
|
fccp_t fen_genfcc;
|
|
uint fen_statbuf; /* Internal status buffer */
|
|
uint fen_camptr; /* CAM address */
|
|
uint fen_cmask; /* Constant mask for CRC */
|
|
uint fen_cpres; /* Preset CRC */
|
|
uint fen_crcec; /* CRC Error counter */
|
|
uint fen_alec; /* alignment error counter */
|
|
uint fen_disfc; /* discard frame counter */
|
|
ushort fen_retlim; /* Retry limit */
|
|
ushort fen_retcnt; /* Retry counter */
|
|
ushort fen_pper; /* Persistence */
|
|
ushort fen_boffcnt; /* backoff counter */
|
|
uint fen_gaddrh; /* Group address filter, high 32-bits */
|
|
uint fen_gaddrl; /* Group address filter, low 32-bits */
|
|
ushort fen_tfcstat; /* out of sequence TxBD */
|
|
ushort fen_tfclen;
|
|
uint fen_tfcptr;
|
|
ushort fen_mflr; /* Maximum frame length (1518) */
|
|
ushort fen_paddrh; /* MAC address */
|
|
ushort fen_paddrm;
|
|
ushort fen_paddrl;
|
|
ushort fen_ibdcount; /* Internal BD counter */
|
|
ushort fen_idbstart; /* Internal BD start pointer */
|
|
ushort fen_ibdend; /* Internal BD end pointer */
|
|
ushort fen_txlen; /* Internal Tx frame length counter */
|
|
uint fen_ibdbase[8]; /* Internal use */
|
|
uint fen_iaddrh; /* Individual address filter */
|
|
uint fen_iaddrl;
|
|
ushort fen_minflr; /* Minimum frame length (64) */
|
|
ushort fen_taddrh; /* Filter transfer MAC address */
|
|
ushort fen_taddrm;
|
|
ushort fen_taddrl;
|
|
ushort fen_padptr; /* Pointer to pad byte buffer */
|
|
ushort fen_cftype; /* control frame type */
|
|
ushort fen_cfrange; /* control frame range */
|
|
ushort fen_maxb; /* maximum BD count */
|
|
ushort fen_maxd1; /* Max DMA1 length (1520) */
|
|
ushort fen_maxd2; /* Max DMA2 length (1520) */
|
|
ushort fen_maxd; /* internal max DMA count */
|
|
ushort fen_dmacnt; /* internal DMA counter */
|
|
uint fen_octc; /* Total octect counter */
|
|
uint fen_colc; /* Total collision counter */
|
|
uint fen_broc; /* Total broadcast packet counter */
|
|
uint fen_mulc; /* Total multicast packet count */
|
|
uint fen_uspc; /* Total packets < 64 bytes */
|
|
uint fen_frgc; /* Total packets < 64 bytes with errors */
|
|
uint fen_ospc; /* Total packets > 1518 */
|
|
uint fen_jbrc; /* Total packets > 1518 with errors */
|
|
uint fen_p64c; /* Total packets == 64 bytes */
|
|
uint fen_p65c; /* Total packets 64 < bytes <= 127 */
|
|
uint fen_p128c; /* Total packets 127 < bytes <= 255 */
|
|
uint fen_p256c; /* Total packets 256 < bytes <= 511 */
|
|
uint fen_p512c; /* Total packets 512 < bytes <= 1023 */
|
|
uint fen_p1024c; /* Total packets 1024 < bytes <= 1518 */
|
|
uint fen_cambuf; /* Internal CAM buffer poiner */
|
|
ushort fen_rfthr; /* Received frames threshold */
|
|
ushort fen_rfcnt; /* Received frames count */
|
|
} fcc_enet_t;
|
|
|
|
/* FCC Event/Mask register as used by Ethernet.
|
|
*/
|
|
#define FCC_ENET_GRA ((ushort)0x0080) /* Graceful stop complete */
|
|
#define FCC_ENET_RXC ((ushort)0x0040) /* Control Frame Received */
|
|
#define FCC_ENET_TXC ((ushort)0x0020) /* Out of seq. Tx sent */
|
|
#define FCC_ENET_TXE ((ushort)0x0010) /* Transmit Error */
|
|
#define FCC_ENET_RXF ((ushort)0x0008) /* Full frame received */
|
|
#define FCC_ENET_BSY ((ushort)0x0004) /* Busy. Rx Frame dropped */
|
|
#define FCC_ENET_TXB ((ushort)0x0002) /* A buffer was transmitted */
|
|
#define FCC_ENET_RXB ((ushort)0x0001) /* A buffer was received */
|
|
|
|
/* FCC Mode Register (FPSMR) as used by Ethernet.
|
|
*/
|
|
#define FCC_PSMR_HBC ((uint)0x80000000) /* Enable heartbeat */
|
|
#define FCC_PSMR_FC ((uint)0x40000000) /* Force Collision */
|
|
#define FCC_PSMR_SBT ((uint)0x20000000) /* Stop backoff timer */
|
|
#define FCC_PSMR_LPB ((uint)0x10000000) /* Local protect. 1 = FDX */
|
|
#define FCC_PSMR_LCW ((uint)0x08000000) /* Late collision select */
|
|
#define FCC_PSMR_FDE ((uint)0x04000000) /* Full Duplex Enable */
|
|
#define FCC_PSMR_MON ((uint)0x02000000) /* RMON Enable */
|
|
#define FCC_PSMR_PRO ((uint)0x00400000) /* Promiscuous Enable */
|
|
#define FCC_PSMR_FCE ((uint)0x00200000) /* Flow Control Enable */
|
|
#define FCC_PSMR_RSH ((uint)0x00100000) /* Receive Short Frames */
|
|
#define FCC_PSMR_RMII ((uint)0x00020000) /* Use RMII interface */
|
|
#define FCC_PSMR_CAM ((uint)0x00000400) /* CAM enable */
|
|
#define FCC_PSMR_BRO ((uint)0x00000200) /* Broadcast pkt discard */
|
|
#define FCC_PSMR_ENCRC ((uint)0x00000080) /* Use 32-bit CRC */
|
|
|
|
/* IIC parameter RAM.
|
|
*/
|
|
typedef struct iic {
|
|
ushort iic_rbase; /* Rx Buffer descriptor base address */
|
|
ushort iic_tbase; /* Tx Buffer descriptor base address */
|
|
u_char iic_rfcr; /* Rx function code */
|
|
u_char iic_tfcr; /* Tx function code */
|
|
ushort iic_mrblr; /* Max receive buffer length */
|
|
uint iic_rstate; /* Internal */
|
|
uint iic_rdp; /* Internal */
|
|
ushort iic_rbptr; /* Internal */
|
|
ushort iic_rbc; /* Internal */
|
|
uint iic_rxtmp; /* Internal */
|
|
uint iic_tstate; /* Internal */
|
|
uint iic_tdp; /* Internal */
|
|
ushort iic_tbptr; /* Internal */
|
|
ushort iic_tbc; /* Internal */
|
|
uint iic_txtmp; /* Internal */
|
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} iic_t;
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/* SPI parameter RAM.
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*/
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typedef struct spi {
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ushort spi_rbase; /* Rx Buffer descriptor base address */
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ushort spi_tbase; /* Tx Buffer descriptor base address */
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u_char spi_rfcr; /* Rx function code */
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u_char spi_tfcr; /* Tx function code */
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ushort spi_mrblr; /* Max receive buffer length */
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uint spi_rstate; /* Internal */
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uint spi_rdp; /* Internal */
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ushort spi_rbptr; /* Internal */
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ushort spi_rbc; /* Internal */
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uint spi_rxtmp; /* Internal */
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uint spi_tstate; /* Internal */
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uint spi_tdp; /* Internal */
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ushort spi_tbptr; /* Internal */
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ushort spi_tbc; /* Internal */
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uint spi_txtmp; /* Internal */
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uint spi_res; /* Tx temp. */
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uint spi_res1[4]; /* SDMA temp. */
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} spi_t;
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/* SPI Mode register.
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*/
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#define SPMODE_LOOP ((ushort)0x4000) /* Loopback */
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#define SPMODE_CI ((ushort)0x2000) /* Clock Invert */
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#define SPMODE_CP ((ushort)0x1000) /* Clock Phase */
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#define SPMODE_DIV16 ((ushort)0x0800) /* BRG/16 mode */
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#define SPMODE_REV ((ushort)0x0400) /* Reversed Data */
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#define SPMODE_MSTR ((ushort)0x0200) /* SPI Master */
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#define SPMODE_EN ((ushort)0x0100) /* Enable */
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#define SPMODE_LENMSK ((ushort)0x00f0) /* character length */
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#define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */
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#define SPMODE_LEN(x) ((((x)-1)&0xF)<<4)
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#define SPMODE_PM(x) ((x) &0xF)
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/* SPI Event/Mask register.
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*/
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#define SPI_EMASK 0x37 /* Event Mask */
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#define SPI_MME 0x20 /* Multi-Master Error */
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#define SPI_TXE 0x10 /* Transmit Error */
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#define SPI_BSY 0x04 /* Busy */
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#define SPI_TXB 0x02 /* Tx Buffer Empty */
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#define SPI_RXB 0x01 /* RX Buffer full/closed */
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#define SPI_STR 0x80 /* SPCOM: Start transmit */
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#define SPI_EB ((u_char)0x10) /* big endian byte order */
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#define BD_IIC_START ((ushort)0x0400)
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#endif /* __CPM_82XX__ */
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