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-rw-r--r--c/src/libchip/network/dwmac-1000-core.c238
1 files changed, 0 insertions, 238 deletions
diff --git a/c/src/libchip/network/dwmac-1000-core.c b/c/src/libchip/network/dwmac-1000-core.c
deleted file mode 100644
index 770078af43..0000000000
--- a/c/src/libchip/network/dwmac-1000-core.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/**
- * @file
- *
- * @brief DWMAC 1000 on-chip Ethernet controllers Core Handling
- *
- * Functions and data which are specific to the DWMAC 1000 Core Handling.
- */
-
-/*
- * Copyright (c) 2013 embedded brains GmbH. All rights reserved.
- *
- * embedded brains GmbH
- * Dornierstr. 4
- * 82178 Puchheim
- * Germany
- * <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#include <assert.h>
-#include "dwmac-core.h"
-#include "dwmac-common.h"
-
-#define DWMAC_1000_CORE_DEBUG
-
-//#undef DWMAC_1000_CORE_DEBUG
-#ifdef DWMAC_1000_CORE_DEBUG
-#define DWMAC_1000_CORE_PRINT_DBG( fmt, args ... ) printk( fmt, ## args )
-#else
-#define DWMAC_1000_CORE_PRINT_DBG( fmt, args ... ) do { } while ( 0 )
-#endif
-
-#define DWMAC_1000_CORE_INIT \
- ( \
- ( MACGRP_MAC_CONFIGURATION_JD \
- | MACGRP_MAC_CONFIGURATION_BE ) \
- & ~MACGRP_MAC_CONFIGURATION_PS \
- )
-
-#define DWMAC_1000_CORE_HASH_TABLE_SIZE 256
-
-static volatile uint32_t *dwmac_1000_core_get_mac_addr_low(
- dwmac_common_context *self,
- const unsigned int mac_addr_index )
-{
- volatile uint32_t *addr = NULL;
-
- assert( self != NULL );
- assert( mac_addr_index <= 127 );
-
- if ( mac_addr_index > 15 ) {
- addr = &self->macgrp->mac_addr16_127[mac_addr_index].low;
- } else {
- addr = &self->macgrp->mac_addr0_15[mac_addr_index].low;
- }
-
- return addr;
-}
-
-static volatile uint32_t *dwmac_1000_core_get_mac_addr_high(
- dwmac_common_context *self,
- const unsigned int mac_addr_index )
-{
- volatile uint32_t *addr = NULL;
-
- assert( self != NULL );
- assert( mac_addr_index <= 127 );
-
- if ( mac_addr_index > 15 ) {
- addr = &self->macgrp->mac_addr16_127[mac_addr_index].high;
- } else {
- addr = &self->macgrp->mac_addr0_15[mac_addr_index].high;
- }
-
- return addr;
-}
-
-static void dwmac_1000_core_init( dwmac_common_context *self )
-{
- uint32_t value = self->macgrp->mac_configuration;
-
- value |= DWMAC_1000_CORE_INIT;
-
- if ( ( self->dmagrp->hw_feature & DMAGRP_HW_FEATURE_RXTYP1COE ) != 0
- || ( self->dmagrp->hw_feature & DMAGRP_HW_FEATURE_RXTYP2COE ) != 0 ) {
- /* Enable RX checksum calculation offload to hardware */
- value |= MACGRP_MAC_CONFIGURATION_IPC;
- }
-
- /* No Jumbo- or Giant frames. The network stack does not support them */
- value &= ~MACGRP_MAC_CONFIGURATION_JE;
- value &= ~MACGRP_MAC_CONFIGURATION_TWOKPE;
- self->macgrp->mac_configuration = value;
-
- /* Mask GMAC interrupts */
- self->macgrp->interrupt_mask =
- MACGRP_INTERRUPT_MASK_RGSMIIIM
- | MACGRP_INTERRUPT_MASK_PCSLCHGIM
- | MACGRP_INTERRUPT_MASK_PCSANCIM
- | MACGRP_INTERRUPT_MASK_TSIM;
-
- /* mask out interrupts because we don't handle them yet */
- self->macgrp->mmc_receive_interrupt_mask = ( uint32_t ) ~0L;
- self->macgrp->mmc_transmit_interrupt_mask = ( uint32_t ) ~0L;
- self->macgrp->mmc_ipc_receive_interrupt_mask = ( uint32_t ) ~0L;
-}
-
-static void dwmac_1000_core_set_umac_addr(
- dwmac_common_context *self,
- const uint8_t *addr,
- unsigned int reg_n )
-{
- dwmac_core_set_mac_addr(
- addr,
- dwmac_1000_core_get_mac_addr_high( self, reg_n ),
- dwmac_1000_core_get_mac_addr_low( self, reg_n )
- );
-}
-
-static void dwmac_1000_core_set_hash_filter(
- dwmac_common_context *self,
- const bool add,
- struct ifreq *ifr )
-{
- int eno = 0;
- struct arpcom *ac = &self->arpcom;
-
- if ( add ) {
- eno = ether_addmulti( ifr, ac );
- } else {
- eno = ether_delmulti( ifr, ac );
- }
-
- if ( eno == ENETRESET ) {
- struct ether_multistep step;
- struct ether_multi *enm;
- unsigned int num_multi = 0;
- unsigned int index;
-
- ETHER_FIRST_MULTI( step, ac, enm );
-
- while ( enm != NULL ) {
- /* Find out how many multicast addresses we have to handle */
- uint64_t addrlo = 0;
- uint64_t addrhi = 0;
-
- memcpy( &addrlo, enm->enm_addrlo, ETHER_ADDR_LEN );
- memcpy( &addrhi, enm->enm_addrhi, ETHER_ADDR_LEN );
- num_multi += 1U + (uint32_t) ( addrhi - addrlo );
- }
-
- if ( num_multi > DWMAC_1000_CORE_HASH_TABLE_SIZE ) {
- /* Too many addresses to be hashed, Use the
- * pass all multi option instead */
-
- for ( index = 0; index < 8; ++index ) {
- self->macgrp->hash_table_reg[index] = 0xffffffff;
- }
-
- self->macgrp->mac_frame_filter |= MACGRP_MAC_FRAME_FILTER_PM;
- } else if ( num_multi > 0 ) {
- uint32_t hash_shadow[8] = {0, 0, 0, 0, 0, 0, 0, 0};
- ETHER_FIRST_MULTI( step, ac, enm );
-
- while ( enm != NULL ) {
- uint64_t addrlo = 0;
- uint64_t addrhi = 0;
-
- memcpy( &addrlo, enm->enm_addrlo, ETHER_ADDR_LEN );
- memcpy( &addrhi, enm->enm_addrhi, ETHER_ADDR_LEN );
-
- while ( addrlo <= addrhi ) {
- /* XXX: ether_crc32_le() does not work, why? */
- uint32_t crc = ether_crc32_be( (uint8_t *) &addrlo, ETHER_ADDR_LEN );
-
- /* The upper 8 bits of the bit reversed 32 bit CRC are used for hash filtering.
- * The most significant bits determine the register to be used and the
- * least significant five bits determine which bit to be set within the register */
- uint32_t index_reg = ( crc >> 29 ) & 0x7;
- uint32_t index_bit = ( crc >> 24 ) & 0x1f;
-
- hash_shadow[index_reg] |= 1U << index_bit;
- ++addrlo;
- }
-
- ETHER_NEXT_MULTI( step, enm );
- }
-
- for ( index = 0; index < 8; ++index ) {
- self->macgrp->hash_table_reg[index] = hash_shadow[index];
- }
-
- /* Hash filter for multicast */
- self->macgrp->mac_frame_filter |= MACGRP_MAC_FRAME_FILTER_HMC;
- } else {
- /* Set all hash registers to accect to accept no multicast packets */
- for ( index = 0; index < 8; ++index ) {
- self->macgrp->hash_table_reg[index] = 0x00000000;
- }
-
- /* Hash filter for multicast */
- self->macgrp->mac_frame_filter |= MACGRP_MAC_FRAME_FILTER_HMC;
- }
-
- DWMAC_1000_CORE_PRINT_DBG(
- "Frame Filter reg: 0x%08x\n",
- self->macgrp->mac_frame_filter
- );
- DWMAC_1000_CORE_PRINT_DBG(
- "Hash regs:\n"
- "0x%08x\n"
- "0x%08x\n"
- "0x%08x\n"
- "0x%08x\n"
- "0x%08x\n"
- "0x%08x\n"
- "0x%08x\n"
- "0x%08x\n",
- self->macgrp->hash_table_reg[0],
- self->macgrp->hash_table_reg[1],
- self->macgrp->hash_table_reg[2],
- self->macgrp->hash_table_reg[3],
- self->macgrp->hash_table_reg[4],
- self->macgrp->hash_table_reg[5],
- self->macgrp->hash_table_reg[6],
- self->macgrp->hash_table_reg[7]
- );
- }
-}
-
-const dwmac_common_core_ops dwmac_core_ops_1000 = {
- .core_init = dwmac_1000_core_init,
- .set_hash_filter = dwmac_1000_core_set_hash_filter,
- .set_umac_addr = dwmac_1000_core_set_umac_addr,
-};
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