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Diffstat (limited to 'post/cpu/mpc8xx/ether.c')
-rw-r--r--post/cpu/mpc8xx/ether.c532
1 files changed, 0 insertions, 532 deletions
diff --git a/post/cpu/mpc8xx/ether.c b/post/cpu/mpc8xx/ether.c
deleted file mode 100644
index 47f6f32246..0000000000
--- a/post/cpu/mpc8xx/ether.c
+++ /dev/null
@@ -1,532 +0,0 @@
-/*
- * (C) Copyright 2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-
-/*
- * Ethernet test
- *
- * The Serial Communication Controllers (SCC) listed in ctlr_list array below
- * are tested in the loopback ethernet mode.
- * The controllers are configured accordingly and several packets
- * are transmitted. The configurable test parameters are:
- * MIN_PACKET_LENGTH - minimum size of packet to transmit
- * MAX_PACKET_LENGTH - maximum size of packet to transmit
- * TEST_NUM - number of tests
- */
-
-#include <post.h>
-#if CONFIG_POST & CONFIG_SYS_POST_ETHER
-#if defined(CONFIG_8xx)
-#include <commproc.h>
-#elif defined(CONFIG_MPC8260)
-#include <asm/cpm_8260.h>
-#else
-#error "Apparently a bad configuration, please fix."
-#endif
-
-#include <command.h>
-#include <net.h>
-#include <serial.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define MIN_PACKET_LENGTH 64
-#define MAX_PACKET_LENGTH 256
-#define TEST_NUM 1
-
-#define CTLR_SCC 0
-
-extern void spi_init_f (void);
-extern void spi_init_r (void);
-
-/* The list of controllers to test */
-#if defined(CONFIG_MPC823)
-static int ctlr_list[][2] = { {CTLR_SCC, 1} };
-#else
-static int ctlr_list[][2] = { };
-#endif
-
-static struct {
- void (*init) (int index);
- void (*halt) (int index);
- int (*send) (int index, volatile void *packet, int length);
- int (*recv) (int index, void *packet, int length);
-} ctlr_proc[1];
-
-static char *ctlr_name[1] = { "SCC" };
-
-/* Ethernet Transmit and Receive Buffers */
-#define DBUF_LENGTH 1520
-
-#define TX_BUF_CNT 2
-
-#define TOUT_LOOP 100
-
-static char txbuf[DBUF_LENGTH];
-
-static uint rxIdx; /* index of the current RX buffer */
-static uint txIdx; /* index of the current TX buffer */
-
-/*
- * SCC Ethernet Tx and Rx buffer descriptors allocated at the
- * immr->udata_bd address on Dual-Port RAM
- * Provide for Double Buffering
- */
-
-typedef volatile struct CommonBufferDescriptor {
- cbd_t rxbd[PKTBUFSRX]; /* Rx BD */
- cbd_t txbd[TX_BUF_CNT]; /* Tx BD */
-} RTXBD;
-
-static RTXBD *rtx;
-
- /*
- * SCC callbacks
- */
-
-static void scc_init (int scc_index)
-{
- uchar ea[6];
-
- static int proff[] = {
- PROFF_SCC1,
- PROFF_SCC2,
- PROFF_SCC3,
- PROFF_SCC4,
- };
- static unsigned int cpm_cr[] = {
- CPM_CR_CH_SCC1,
- CPM_CR_CH_SCC2,
- CPM_CR_CH_SCC3,
- CPM_CR_CH_SCC4,
- };
-
- int i;
- scc_enet_t *pram_ptr;
-
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
-
- immr->im_cpm.cp_scc[scc_index].scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-
- pram_ptr = (scc_enet_t *) & (immr->im_cpm.cp_dparam[proff[scc_index]]);
-
- rxIdx = 0;
- txIdx = 0;
-
- rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + CPM_SCC_BASE);
-
-#if 0
-
-#if (defined(PA_ENET_RXD) && defined(PA_ENET_TXD))
- /* Configure port A pins for Txd and Rxd.
- */
- immr->im_ioport.iop_papar |= (PA_ENET_RXD | PA_ENET_TXD);
- immr->im_ioport.iop_padir &= ~(PA_ENET_RXD | PA_ENET_TXD);
- immr->im_ioport.iop_paodr &= ~PA_ENET_TXD;
-#elif (defined(PB_ENET_RXD) && defined(PB_ENET_TXD))
- /* Configure port B pins for Txd and Rxd.
- */
- immr->im_cpm.cp_pbpar |= (PB_ENET_RXD | PB_ENET_TXD);
- immr->im_cpm.cp_pbdir &= ~(PB_ENET_RXD | PB_ENET_TXD);
- immr->im_cpm.cp_pbodr &= ~PB_ENET_TXD;
-#else
-#error Configuration Error: exactly ONE of PA_ENET_[RT]XD, PB_ENET_[RT]XD must be defined
-#endif
-
-#if defined(PC_ENET_LBK)
- /* Configure port C pins to disable External Loopback
- */
- immr->im_ioport.iop_pcpar &= ~PC_ENET_LBK;
- immr->im_ioport.iop_pcdir |= PC_ENET_LBK;
- immr->im_ioport.iop_pcso &= ~PC_ENET_LBK;
- immr->im_ioport.iop_pcdat &= ~PC_ENET_LBK; /* Disable Loopback */
-#endif /* PC_ENET_LBK */
-
- /* Configure port C pins to enable CLSN and RENA.
- */
- immr->im_ioport.iop_pcpar &= ~(PC_ENET_CLSN | PC_ENET_RENA);
- immr->im_ioport.iop_pcdir &= ~(PC_ENET_CLSN | PC_ENET_RENA);
- immr->im_ioport.iop_pcso |= (PC_ENET_CLSN | PC_ENET_RENA);
-
- /* Configure port A for TCLK and RCLK.
- */
- immr->im_ioport.iop_papar |= (PA_ENET_TCLK | PA_ENET_RCLK);
- immr->im_ioport.iop_padir &= ~(PA_ENET_TCLK | PA_ENET_RCLK);
-
- /*
- * Configure Serial Interface clock routing -- see section 16.7.5.3
- * First, clear all SCC bits to zero, then set the ones we want.
- */
-
- immr->im_cpm.cp_sicr &= ~SICR_ENET_MASK;
- immr->im_cpm.cp_sicr |= SICR_ENET_CLKRT;
-#else
- /*
- * SCC2 receive clock is BRG2
- * SCC2 transmit clock is BRG3
- */
- immr->im_cpm.cp_brgc2 = 0x0001000C;
- immr->im_cpm.cp_brgc3 = 0x0001000C;
-
- immr->im_cpm.cp_sicr &= ~0x00003F00;
- immr->im_cpm.cp_sicr |= 0x00000a00;
-#endif /* 0 */
-
-
- /*
- * Initialize SDCR -- see section 16.9.23.7
- * SDMA configuration register
- */
- immr->im_siu_conf.sc_sdcr = 0x01;
-
-
- /*
- * Setup SCC Ethernet Parameter RAM
- */
-
- pram_ptr->sen_genscc.scc_rfcr = 0x18; /* Normal Operation and Mot byte ordering */
- pram_ptr->sen_genscc.scc_tfcr = 0x18; /* Mot byte ordering, Normal access */
-
- pram_ptr->sen_genscc.scc_mrblr = DBUF_LENGTH; /* max. ET package len 1520 */
-
- pram_ptr->sen_genscc.scc_rbase = (unsigned int) (&rtx->rxbd[0]); /* Set RXBD tbl start at Dual Port */
- pram_ptr->sen_genscc.scc_tbase = (unsigned int) (&rtx->txbd[0]); /* Set TXBD tbl start at Dual Port */
-
- /*
- * Setup Receiver Buffer Descriptors (13.14.24.18)
- * Settings:
- * Empty, Wrap
- */
-
- for (i = 0; i < PKTBUFSRX; i++) {
- rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY;
- rtx->rxbd[i].cbd_datlen = 0; /* Reset */
- rtx->rxbd[i].cbd_bufaddr = (uint) net_rx_packets[i];
- }
-
- rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP;
-
- /*
- * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19)
- * Settings:
- * Add PADs to Short FRAMES, Wrap, Last, Tx CRC
- */
-
- for (i = 0; i < TX_BUF_CNT; i++) {
- rtx->txbd[i].cbd_sc =
- (BD_ENET_TX_PAD | BD_ENET_TX_LAST | BD_ENET_TX_TC);
- rtx->txbd[i].cbd_datlen = 0; /* Reset */
- rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]);
- }
-
- rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP;
-
- /*
- * Enter Command: Initialize Rx Params for SCC
- */
-
- do { /* Spin until ready to issue command */
- __asm__ ("eieio");
- } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
- /* Issue command */
- immr->im_cpm.cp_cpcr =
- ((CPM_CR_INIT_RX << 8) | (cpm_cr[scc_index] << 4) |
- CPM_CR_FLG);
- do { /* Spin until command processed */
- __asm__ ("eieio");
- } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
-
- /*
- * Ethernet Specific Parameter RAM
- * see table 13-16, pg. 660,
- * pg. 681 (example with suggested settings)
- */
-
- pram_ptr->sen_cpres = ~(0x0); /* Preset CRC */
- pram_ptr->sen_cmask = 0xdebb20e3; /* Constant Mask for CRC */
- pram_ptr->sen_crcec = 0x0; /* Error Counter CRC (unused) */
- pram_ptr->sen_alec = 0x0; /* Alignment Error Counter (unused) */
- pram_ptr->sen_disfc = 0x0; /* Discard Frame Counter (unused) */
- pram_ptr->sen_pads = 0x8888; /* Short Frame PAD Characters */
-
- pram_ptr->sen_retlim = 15; /* Retry Limit Threshold */
- pram_ptr->sen_maxflr = 1518; /* MAX Frame Length Register */
- pram_ptr->sen_minflr = 64; /* MIN Frame Length Register */
-
- pram_ptr->sen_maxd1 = DBUF_LENGTH; /* MAX DMA1 Length Register */
- pram_ptr->sen_maxd2 = DBUF_LENGTH; /* MAX DMA2 Length Register */
-
- pram_ptr->sen_gaddr1 = 0x0; /* Group Address Filter 1 (unused) */
- pram_ptr->sen_gaddr2 = 0x0; /* Group Address Filter 2 (unused) */
- pram_ptr->sen_gaddr3 = 0x0; /* Group Address Filter 3 (unused) */
- pram_ptr->sen_gaddr4 = 0x0; /* Group Address Filter 4 (unused) */
-
- eth_getenv_enetaddr("ethaddr", ea);
- pram_ptr->sen_paddrh = (ea[5] << 8) + ea[4];
- pram_ptr->sen_paddrm = (ea[3] << 8) + ea[2];
- pram_ptr->sen_paddrl = (ea[1] << 8) + ea[0];
-
- pram_ptr->sen_pper = 0x0; /* Persistence (unused) */
- pram_ptr->sen_iaddr1 = 0x0; /* Individual Address Filter 1 (unused) */
- pram_ptr->sen_iaddr2 = 0x0; /* Individual Address Filter 2 (unused) */
- pram_ptr->sen_iaddr3 = 0x0; /* Individual Address Filter 3 (unused) */
- pram_ptr->sen_iaddr4 = 0x0; /* Individual Address Filter 4 (unused) */
- pram_ptr->sen_taddrh = 0x0; /* Tmp Address (MSB) (unused) */
- pram_ptr->sen_taddrm = 0x0; /* Tmp Address (unused) */
- pram_ptr->sen_taddrl = 0x0; /* Tmp Address (LSB) (unused) */
-
- /*
- * Enter Command: Initialize Tx Params for SCC
- */
-
- do { /* Spin until ready to issue command */
- __asm__ ("eieio");
- } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
- /* Issue command */
- immr->im_cpm.cp_cpcr =
- ((CPM_CR_INIT_TX << 8) | (cpm_cr[scc_index] << 4) |
- CPM_CR_FLG);
- do { /* Spin until command processed */
- __asm__ ("eieio");
- } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
-
- /*
- * Mask all Events in SCCM - we use polling mode
- */
- immr->im_cpm.cp_scc[scc_index].scc_sccm = 0;
-
- /*
- * Clear Events in SCCE -- Clear bits by writing 1's
- */
-
- immr->im_cpm.cp_scc[scc_index].scc_scce = ~(0x0);
-
-
- /*
- * Initialize GSMR High 32-Bits
- * Settings: Normal Mode
- */
-
- immr->im_cpm.cp_scc[scc_index].scc_gsmrh = 0;
-
- /*
- * Initialize GSMR Low 32-Bits, but do not Enable Transmit/Receive
- * Settings:
- * TCI = Invert
- * TPL = 48 bits
- * TPP = Repeating 10's
- * LOOP = Loopback
- * MODE = Ethernet
- */
-
- immr->im_cpm.cp_scc[scc_index].scc_gsmrl = (SCC_GSMRL_TCI |
- SCC_GSMRL_TPL_48 |
- SCC_GSMRL_TPP_10 |
- SCC_GSMRL_DIAG_LOOP |
- SCC_GSMRL_MODE_ENET);
-
- /*
- * Initialize the DSR -- see section 13.14.4 (pg. 513) v0.4
- */
-
- immr->im_cpm.cp_scc[scc_index].scc_dsr = 0xd555;
-
- /*
- * Initialize the PSMR
- * Settings:
- * CRC = 32-Bit CCITT
- * NIB = Begin searching for SFD 22 bits after RENA
- * LPB = Loopback Enable (Needed when FDE is set)
- */
- immr->im_cpm.cp_scc[scc_index].scc_psmr = SCC_PSMR_ENCRC |
- SCC_PSMR_NIB22 | SCC_PSMR_LPB;
-
- /*
- * Set the ENT/ENR bits in the GSMR Low -- Enable Transmit/Receive
- */
-
- immr->im_cpm.cp_scc[scc_index].scc_gsmrl |=
- (SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-}
-
-static void scc_halt (int scc_index)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
-
- immr->im_cpm.cp_scc[scc_index].scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- immr->im_ioport.iop_pcso &= ~(PC_ENET_CLSN | PC_ENET_RENA);
-}
-
-static int scc_send (int index, volatile void *packet, int length)
-{
- int i, j = 0;
-
- while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) && (j < TOUT_LOOP)) {
- udelay (1); /* will also trigger Wd if needed */
- j++;
- }
- if (j >= TOUT_LOOP)
- printf ("TX not ready\n");
- rtx->txbd[txIdx].cbd_bufaddr = (uint) packet;
- rtx->txbd[txIdx].cbd_datlen = length;
- rtx->txbd[txIdx].cbd_sc |=
- (BD_ENET_TX_READY | BD_ENET_TX_LAST | BD_ENET_TX_WRAP);
- while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) && (j < TOUT_LOOP)) {
- udelay (1); /* will also trigger Wd if needed */
- j++;
- }
- if (j >= TOUT_LOOP)
- printf ("TX timeout\n");
- i = (rtx->txbd[txIdx].
- cbd_sc & BD_ENET_TX_STATS) /* return only status bits */ ;
- return i;
-}
-
-static int scc_recv (int index, void *packet, int max_length)
-{
- int length = -1;
-
- if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
- goto Done; /* nothing received */
- }
-
- if (!(rtx->rxbd[rxIdx].cbd_sc & 0x003f)) {
- length = rtx->rxbd[rxIdx].cbd_datlen - 4;
- memcpy (packet,
- (void *)(net_rx_packets[rxIdx]),
- length < max_length ? length : max_length);
- }
-
- /* Give the buffer back to the SCC. */
- rtx->rxbd[rxIdx].cbd_datlen = 0;
-
- /* wrap around buffer index when necessary */
- if ((rxIdx + 1) >= PKTBUFSRX) {
- rtx->rxbd[PKTBUFSRX - 1].cbd_sc =
- (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
- rxIdx = 0;
- } else {
- rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
- rxIdx++;
- }
-
-Done:
- return length;
-}
-
- /*
- * Test routines
- */
-
-static void packet_fill (char *packet, int length)
-{
- char c = (char) length;
- int i;
-
- packet[0] = 0xFF;
- packet[1] = 0xFF;
- packet[2] = 0xFF;
- packet[3] = 0xFF;
- packet[4] = 0xFF;
- packet[5] = 0xFF;
-
- for (i = 6; i < length; i++) {
- packet[i] = c++;
- }
-}
-
-static int packet_check (char *packet, int length)
-{
- char c = (char) length;
- int i;
-
- for (i = 6; i < length; i++) {
- if (packet[i] != c++)
- return -1;
- }
-
- return 0;
-}
-
-static int test_ctlr (int ctlr, int index)
-{
- int res = -1;
- char packet_send[MAX_PACKET_LENGTH];
- char packet_recv[MAX_PACKET_LENGTH];
- int length;
- int i;
- int l;
-
- ctlr_proc[ctlr].init (index);
-
- for (i = 0; i < TEST_NUM; i++) {
- for (l = MIN_PACKET_LENGTH; l <= MAX_PACKET_LENGTH; l++) {
- packet_fill (packet_send, l);
-
- ctlr_proc[ctlr].send (index, packet_send, l);
-
- length = ctlr_proc[ctlr].recv (index, packet_recv,
- MAX_PACKET_LENGTH);
-
- if (length != l || packet_check (packet_recv, length) < 0) {
- goto Done;
- }
- }
- }
-
- res = 0;
-
-Done:
-
- ctlr_proc[ctlr].halt (index);
-
- /*
- * SCC2 Ethernet parameter RAM space overlaps
- * the SPI parameter RAM space. So we need to restore
- * the SPI configuration after SCC2 ethernet test.
- */
-#if defined(CONFIG_SPI)
- if (ctlr == CTLR_SCC && index == 1) {
- spi_init_f ();
- spi_init_r ();
- }
-#endif
-
- if (res != 0) {
- post_log ("ethernet %s%d test failed\n", ctlr_name[ctlr],
- index + 1);
- }
-
- return res;
-}
-
-int ether_post_test (int flags)
-{
- int res = 0;
- int i;
-
- ctlr_proc[CTLR_SCC].init = scc_init;
- ctlr_proc[CTLR_SCC].halt = scc_halt;
- ctlr_proc[CTLR_SCC].send = scc_send;
- ctlr_proc[CTLR_SCC].recv = scc_recv;
-
- for (i = 0; i < ARRAY_SIZE(ctlr_list); i++) {
- if (test_ctlr (ctlr_list[i][0], ctlr_list[i][1]) != 0) {
- res = -1;
- }
- }
-
-#if !defined(CONFIG_8xx_CONS_NONE)
- serial_reinit_all ();
-#endif
- return res;
-}
-
-#endif /* CONFIG_POST & CONFIG_SYS_POST_ETHER */
generated by cgit (git 2.34.1) at 2024-12-28 21:22:18 +0000