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author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2007-11-21 21:19:24 +0100 |
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committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2007-11-25 18:35:17 +0100 |
commit | 2439e4bfa111babf4bc07ba20efbf3e36036813e (patch) | |
tree | 21e94282acdc681bdde2ccc270bd401254124d00 /drivers/uli526x.c | |
parent | 352d259130b349fe9593b8dada641bd78a9659e5 (diff) | |
download | u-boot-imx-2439e4bfa111babf4bc07ba20efbf3e36036813e.zip u-boot-imx-2439e4bfa111babf4bc07ba20efbf3e36036813e.tar.gz u-boot-imx-2439e4bfa111babf4bc07ba20efbf3e36036813e.tar.bz2 |
drivers/net : move net drivers to drivers/net
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'drivers/uli526x.c')
-rw-r--r-- | drivers/uli526x.c | 996 |
1 files changed, 0 insertions, 996 deletions
diff --git a/drivers/uli526x.c b/drivers/uli526x.c deleted file mode 100644 index 1267c57..0000000 --- a/drivers/uli526x.c +++ /dev/null @@ -1,996 +0,0 @@ -/* - * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. - * - * Author: Roy Zang <tie-fei.zang@freescale.com>, Sep, 2007 - * - * Description: - * ULI 526x Ethernet port driver. - * Based on the Linux driver: drivers/net/tulip/uli526x.c - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <common.h> -#include <malloc.h> -#include <net.h> -#include <asm/io.h> -#include <pci.h> -#include <miiphy.h> - -/* some kernel function compatible define */ - -#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ - defined(CONFIG_ULI526X) - -#undef DEBUG - -/* Board/System/Debug information/definition */ -#define ULI_VENDOR_ID 0x10B9 -#define ULI5261_DEVICE_ID 0x5261 -#define ULI5263_DEVICE_ID 0x5263 -/* ULi M5261 ID*/ -#define PCI_ULI5261_ID ULI5261_DEVICE_ID << 16 | ULI_VENDOR_ID -/* ULi M5263 ID*/ -#define PCI_ULI5263_ID ULI5263_DEVICE_ID << 16 | ULI_VENDOR_ID - -#define ULI526X_IO_SIZE 0x100 -#define TX_DESC_CNT 0x10 /* Allocated Tx descriptors */ -#define RX_DESC_CNT PKTBUFSRX /* Allocated Rx descriptors */ -#define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */ -#define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */ -#define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT) -#define TX_BUF_ALLOC 0x300 -#define RX_ALLOC_SIZE PKTSIZE -#define ULI526X_RESET 1 -#define CR0_DEFAULT 0 -#define CR6_DEFAULT 0x22200000 -#define CR7_DEFAULT 0x180c1 -#define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */ -#define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */ -#define MAX_PACKET_SIZE 1514 -#define ULI5261_MAX_MULTICAST 14 -#define RX_COPY_SIZE 100 -#define MAX_CHECK_PACKET 0x8000 - -#define ULI526X_10MHF 0 -#define ULI526X_100MHF 1 -#define ULI526X_10MFD 4 -#define ULI526X_100MFD 5 -#define ULI526X_AUTO 8 - -#define ULI526X_TXTH_72 0x400000 /* TX TH 72 byte */ -#define ULI526X_TXTH_96 0x404000 /* TX TH 96 byte */ -#define ULI526X_TXTH_128 0x0000 /* TX TH 128 byte */ -#define ULI526X_TXTH_256 0x4000 /* TX TH 256 byte */ -#define ULI526X_TXTH_512 0x8000 /* TX TH 512 byte */ -#define ULI526X_TXTH_1K 0xC000 /* TX TH 1K byte */ - -/* CR9 definition: SROM/MII */ -#define CR9_SROM_READ 0x4800 -#define CR9_SRCS 0x1 -#define CR9_SRCLK 0x2 -#define CR9_CRDOUT 0x8 -#define SROM_DATA_0 0x0 -#define SROM_DATA_1 0x4 -#define PHY_DATA_1 0x20000 -#define PHY_DATA_0 0x00000 -#define MDCLKH 0x10000 - -#define PHY_POWER_DOWN 0x800 - -#define SROM_V41_CODE 0x14 - -#define SROM_CLK_WRITE(data, ioaddr) do { \ - outl(data|CR9_SROM_READ|CR9_SRCS, ioaddr); \ - udelay(5); \ - outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK, ioaddr); \ - udelay(5); \ - outl(data|CR9_SROM_READ|CR9_SRCS, ioaddr); \ - udelay(5); \ - } while (0) - -/* Structure/enum declaration */ - -struct tx_desc { - u32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */ - char *tx_buf_ptr; /* Data for us */ - struct tx_desc *next_tx_desc; -}; - -struct rx_desc { - u32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */ - char *rx_buf_ptr; /* Data for us */ - struct rx_desc *next_rx_desc; -}; - -struct uli526x_board_info { - u32 chip_id; /* Chip vendor/Device ID */ - pci_dev_t pdev; - - long ioaddr; /* I/O base address */ - u32 cr0_data; - u32 cr5_data; - u32 cr6_data; - u32 cr7_data; - u32 cr15_data; - - /* pointer for memory physical address */ - dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */ - dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */ - dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */ - dma_addr_t first_tx_desc_dma; - dma_addr_t first_rx_desc_dma; - - /* descriptor pointer */ - unsigned char *buf_pool_ptr; /* Tx buffer pool memory */ - unsigned char *buf_pool_start; /* Tx buffer pool align dword */ - unsigned char *desc_pool_ptr; /* descriptor pool memory */ - struct tx_desc *first_tx_desc; - struct tx_desc *tx_insert_ptr; - struct tx_desc *tx_remove_ptr; - struct rx_desc *first_rx_desc; - struct rx_desc *rx_ready_ptr; /* packet come pointer */ - unsigned long tx_packet_cnt; /* transmitted packet count */ - - u16 PHY_reg4; /* Saved Phyxcer register 4 value */ - - u8 media_mode; /* user specify media mode */ - u8 op_mode; /* real work dedia mode */ - u8 phy_addr; - - /* NIC SROM data */ - unsigned char srom[128]; -}; - -enum uli526x_offsets { - DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20, - DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48, - DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70, - DCR15 = 0x78 -}; - -enum uli526x_CR6_bits { - CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80, - CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000, - CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000 -}; - -/* Global variable declaration -- */ - -static unsigned char uli526x_media_mode = ULI526X_AUTO; - -static struct tx_desc desc_pool_array[DESC_ALL_CNT + 0x20] - __attribute__ ((aligned(32))); -static char buf_pool[TX_BUF_ALLOC * TX_DESC_CNT + 4]; - -/* For module input parameter */ -static int mode = 8; - -/* function declaration -- */ -static int uli526x_start_xmit(struct eth_device *dev, - volatile void *packet, int length); -static const struct ethtool_ops netdev_ethtool_ops; -static u16 read_srom_word(long, int); -static void uli526x_descriptor_init(struct uli526x_board_info *, unsigned long); -static void allocate_rx_buffer(struct uli526x_board_info *); -static void update_cr6(u32, unsigned long); -static u16 phy_read(unsigned long, u8, u8, u32); -static u16 phy_readby_cr10(unsigned long, u8, u8); -static void phy_write(unsigned long, u8, u8, u16, u32); -static void phy_writeby_cr10(unsigned long, u8, u8, u16); -static void phy_write_1bit(unsigned long, u32, u32); -static u16 phy_read_1bit(unsigned long, u32); -static int uli526x_rx_packet(struct eth_device *); -static void uli526x_free_tx_pkt(struct eth_device *, - struct uli526x_board_info *); -static void uli526x_reuse_buf(struct rx_desc *); -static void uli526x_init(struct eth_device *); -static void uli526x_set_phyxcer(struct uli526x_board_info *); - - -static int uli526x_init_one(struct eth_device *, bd_t *); -static void uli526x_disable(struct eth_device *); -static void set_mac_addr(struct eth_device *); - -static struct pci_device_id uli526x_pci_tbl[] = { - { ULI_VENDOR_ID, ULI5261_DEVICE_ID}, /* 5261 device */ - { ULI_VENDOR_ID, ULI5263_DEVICE_ID}, /* 5263 device */ - {} -}; - -/* ULI526X network board routine */ - -/* - * Search ULI526X board, register it - */ - -int uli526x_initialize(bd_t *bis) -{ - pci_dev_t devno; - int card_number = 0; - struct eth_device *dev; - struct uli526x_board_info *db; /* board information structure */ - - u32 iobase; - int idx = 0; - - while (1) { - /* Find PCI device */ - devno = pci_find_devices(uli526x_pci_tbl, idx++); - if (devno < 0) - break; - - pci_read_config_dword(devno, PCI_BASE_ADDRESS_1, &iobase); - iobase &= ~0xf; - - dev = (struct eth_device *)malloc(sizeof *dev); - sprintf(dev->name, "uli526x#%d\n", card_number); - db = (struct uli526x_board_info *) - malloc(sizeof(struct uli526x_board_info)); - - dev->priv = db; - db->pdev = devno; - dev->iobase = iobase; - - dev->init = uli526x_init_one; - dev->halt = uli526x_disable; - dev->send = uli526x_start_xmit; - dev->recv = uli526x_rx_packet; - - /* init db */ - db->ioaddr = dev->iobase; - /* get chip id */ - - pci_read_config_dword(devno, PCI_VENDOR_ID, &db->chip_id); -#ifdef DEBUG - printf("uli526x: uli526x @0x%x\n", iobase); - printf("uli526x: chip_id%x\n", db->chip_id); -#endif - eth_register(dev); - card_number++; - pci_write_config_byte(devno, PCI_LATENCY_TIMER, 0x20); - udelay(10 * 1000); - } - return card_number; -} - -static int uli526x_init_one(struct eth_device *dev, bd_t *bis) -{ - - struct uli526x_board_info *db = dev->priv; - int i; - - switch (mode) { - case ULI526X_10MHF: - case ULI526X_100MHF: - case ULI526X_10MFD: - case ULI526X_100MFD: - uli526x_media_mode = mode; - break; - default: - uli526x_media_mode = ULI526X_AUTO; - break; - } - - /* Allocate Tx/Rx descriptor memory */ - db->desc_pool_ptr = (uchar *)&desc_pool_array[0]; - db->desc_pool_dma_ptr = (dma_addr_t)&desc_pool_array[0]; - if (db->desc_pool_ptr == NULL) - return 0; - - db->buf_pool_ptr = &buf_pool[0]; - db->buf_pool_dma_ptr = (dma_addr_t)&buf_pool[0]; - if (db->buf_pool_ptr == NULL) - return 0; - - db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr; - db->first_tx_desc_dma = db->desc_pool_dma_ptr; - - db->buf_pool_start = db->buf_pool_ptr; - db->buf_pool_dma_start = db->buf_pool_dma_ptr; - -#ifdef DEBUG - printf("%s(): db->ioaddr= 0x%x\n", - __FUNCTION__, db->ioaddr); - printf("%s(): media_mode= 0x%x\n", - __FUNCTION__, uli526x_media_mode); - printf("%s(): db->desc_pool_ptr= 0x%x\n", - __FUNCTION__, db->desc_pool_ptr); - printf("%s(): db->desc_pool_dma_ptr= 0x%x\n", - __FUNCTION__, db->desc_pool_dma_ptr); - printf("%s(): db->buf_pool_ptr= 0x%x\n", - __FUNCTION__, db->buf_pool_ptr); - printf("%s(): db->buf_pool_dma_ptr= 0x%x\n", - __FUNCTION__, db->buf_pool_dma_ptr); -#endif - - /* read 64 word srom data */ - for (i = 0; i < 64; i++) - ((u16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, - i)); - - /* Set Node address */ - if (((u16 *) db->srom)[0] == 0xffff || ((u16 *) db->srom)[0] == 0) - /* SROM absent, so write MAC address to ID Table */ - set_mac_addr(dev); - else { /*Exist SROM*/ - for (i = 0; i < 6; i++) - dev->enetaddr[i] = db->srom[20 + i]; - } -#ifdef DEBUG - for (i = 0; i < 6; i++) - printf("%c%02x", i ? ':' : ' ', dev->enetaddr[i]); -#endif - db->PHY_reg4 = 0x1e0; - - /* system variable init */ - db->cr6_data = CR6_DEFAULT ; - db->cr6_data |= ULI526X_TXTH_256; - db->cr0_data = CR0_DEFAULT; - uli526x_init(dev); - return 1; -} - -static void uli526x_disable(struct eth_device *dev) -{ -#ifdef DEBUG - printf("uli526x_disable\n"); -#endif - struct uli526x_board_info *db = dev->priv; - - if (!((inl(db->ioaddr + DCR12)) & 0x8)) { - /* Reset & stop ULI526X board */ - outl(ULI526X_RESET, db->ioaddr + DCR0); - udelay(5); - phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id); - - /* reset the board */ - db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */ - update_cr6(db->cr6_data, dev->iobase); - outl(0, dev->iobase + DCR7); /* Disable Interrupt */ - outl(inl(dev->iobase + DCR5), dev->iobase + DCR5); - } -} - -/* Initialize ULI526X board - * Reset ULI526X board - * Initialize TX/Rx descriptor chain structure - * Send the set-up frame - * Enable Tx/Rx machine - */ - -static void uli526x_init(struct eth_device *dev) -{ - - struct uli526x_board_info *db = dev->priv; - u8 phy_tmp; - u16 phy_value; - u16 phy_reg_reset; - - /* Reset M526x MAC controller */ - outl(ULI526X_RESET, db->ioaddr + DCR0); /* RESET MAC */ - udelay(100); - outl(db->cr0_data, db->ioaddr + DCR0); - udelay(5); - - /* Phy addr : In some boards,M5261/M5263 phy address != 1 */ - db->phy_addr = 1; - db->tx_packet_cnt = 0; - for (phy_tmp = 0; phy_tmp < 32; phy_tmp++) { - /* peer add */ - phy_value = phy_read(db->ioaddr, phy_tmp, 3, db->chip_id); - if (phy_value != 0xffff && phy_value != 0) { - db->phy_addr = phy_tmp; - break; - } - } - -#ifdef DEBUG - printf("%s(): db->ioaddr= 0x%x\n", __FUNCTION__, db->ioaddr); - printf("%s(): db->phy_addr= 0x%x\n", __FUNCTION__, db->phy_addr); -#endif - if (phy_tmp == 32) - printf("Can not find the phy address!!!"); - - /* Parser SROM and media mode */ - db->media_mode = uli526x_media_mode; - - if (!(inl(db->ioaddr + DCR12) & 0x8)) { - /* Phyxcer capability setting */ - phy_reg_reset = phy_read(db->ioaddr, - db->phy_addr, 0, db->chip_id); - phy_reg_reset = (phy_reg_reset | 0x8000); - phy_write(db->ioaddr, db->phy_addr, 0, - phy_reg_reset, db->chip_id); - udelay(500); - - /* Process Phyxcer Media Mode */ - uli526x_set_phyxcer(db); - } - /* Media Mode Process */ - if (!(db->media_mode & ULI526X_AUTO)) - db->op_mode = db->media_mode; /* Force Mode */ - - /* Initialize Transmit/Receive decriptor and CR3/4 */ - uli526x_descriptor_init(db, db->ioaddr); - - /* Init CR6 to program M526X operation */ - update_cr6(db->cr6_data, db->ioaddr); - - /* Init CR7, interrupt active bit */ - db->cr7_data = CR7_DEFAULT; - outl(db->cr7_data, db->ioaddr + DCR7); - - /* Init CR15, Tx jabber and Rx watchdog timer */ - outl(db->cr15_data, db->ioaddr + DCR15); - - /* Enable ULI526X Tx/Rx function */ - db->cr6_data |= CR6_RXSC | CR6_TXSC; - update_cr6(db->cr6_data, db->ioaddr); - while (!(inl(db->ioaddr + DCR12) & 0x8)) - udelay(10); -} - -/* - * Hardware start transmission. - * Send a packet to media from the upper layer. - */ - -static int uli526x_start_xmit(struct eth_device *dev, - volatile void *packet, int length) -{ - struct uli526x_board_info *db = dev->priv; - struct tx_desc *txptr; - unsigned int len = length; - /* Too large packet check */ - if (len > MAX_PACKET_SIZE) { - printf(": big packet = %d\n", len); - return 0; - } - - /* No Tx resource check, it never happen nromally */ - if (db->tx_packet_cnt >= TX_FREE_DESC_CNT) { - printf("No Tx resource %ld\n", db->tx_packet_cnt); - return 0; - } - - /* Disable NIC interrupt */ - outl(0, dev->iobase + DCR7); - - /* transmit this packet */ - txptr = db->tx_insert_ptr; - memcpy((char *)txptr->tx_buf_ptr, (char *)packet, (int)length); - txptr->tdes1 = cpu_to_le32(0xe1000000 | length); - - /* Point to next transmit free descriptor */ - db->tx_insert_ptr = txptr->next_tx_desc; - - /* Transmit Packet Process */ - if ((db->tx_packet_cnt < TX_DESC_CNT)) { - txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */ - db->tx_packet_cnt++; /* Ready to send */ - outl(0x1, dev->iobase + DCR1); /* Issue Tx polling */ - } - - /* Got ULI526X status */ - db->cr5_data = inl(db->ioaddr + DCR5); - outl(db->cr5_data, db->ioaddr + DCR5); - -#ifdef TX_DEBUG - printf("%s(): length = 0x%x\n", __FUNCTION__, length); - printf("%s(): cr5_data=%x\n", __FUNCTION__, db->cr5_data); -#endif - - outl(db->cr7_data, dev->iobase + DCR7); - uli526x_free_tx_pkt(dev, db); - - return length; -} - -/* - * Free TX resource after TX complete - */ - -static void uli526x_free_tx_pkt(struct eth_device *dev, - struct uli526x_board_info *db) -{ - struct tx_desc *txptr; - u32 tdes0; - - txptr = db->tx_remove_ptr; - while (db->tx_packet_cnt) { - tdes0 = le32_to_cpu(txptr->tdes0); - /* printf(DRV_NAME ": tdes0=%x\n", tdes0); */ - if (tdes0 & 0x80000000) - break; - - /* A packet sent completed */ - db->tx_packet_cnt--; - - if (tdes0 != 0x7fffffff) { -#ifdef TX_DEBUG - printf("%s()tdes0=%x\n", __FUNCTION__, tdes0); -#endif - if (tdes0 & TDES0_ERR_MASK) { - if (tdes0 & 0x0002) { /* UnderRun */ - if (!(db->cr6_data & CR6_SFT)) { - db->cr6_data = db->cr6_data | - CR6_SFT; - update_cr6(db->cr6_data, - db->ioaddr); - } - } - } - } - - txptr = txptr->next_tx_desc; - }/* End of while */ - - /* Update TX remove pointer to next */ - db->tx_remove_ptr = txptr; -} - - -/* - * Receive the come packet and pass to upper layer - */ - -static int uli526x_rx_packet(struct eth_device *dev) -{ - struct uli526x_board_info *db = dev->priv; - struct rx_desc *rxptr; - int rxlen = 0; - u32 rdes0; - - rxptr = db->rx_ready_ptr; - - rdes0 = le32_to_cpu(rxptr->rdes0); -#ifdef RX_DEBUG - printf("%s(): rxptr->rdes0=%x:%x\n", __FUNCTION__, rxptr->rdes0); -#endif - if (!(rdes0 & 0x80000000)) { /* packet owner check */ - if ((rdes0 & 0x300) != 0x300) { - /* A packet without First/Last flag */ - /* reuse this buf */ - printf("A packet without First/Last flag"); - uli526x_reuse_buf(rxptr); - } else { - /* A packet with First/Last flag */ - rxlen = ((rdes0 >> 16) & 0x3fff) - 4; -#ifdef RX_DEBUG - printf("%s(): rxlen =%x\n", __FUNCTION__, rxlen); -#endif - /* error summary bit check */ - if (rdes0 & 0x8000) { - /* This is a error packet */ - printf("Eroor: rdes0: %lx\n", rdes0); - } - - if (!(rdes0 & 0x8000) || - ((db->cr6_data & CR6_PM) && (rxlen > 6))) { - -#ifdef RX_DEBUG - printf("%s(): rx_skb_ptr =%x\n", - __FUNCTION__, rxptr->rx_buf_ptr); - printf("%s(): rxlen =%x\n", - __FUNCTION__, rxlen); - - printf("%s(): buf addr =%x\n", - __FUNCTION__, rxptr->rx_buf_ptr); - printf("%s(): rxlen =%x\n", - __FUNCTION__, rxlen); - int i; - for (i = 0; i < 0x20; i++) - printf("%s(): data[%x] =%x\n", - __FUNCTION__, i, rxptr->rx_buf_ptr[i]); -#endif - - NetReceive(rxptr->rx_buf_ptr, rxlen); - uli526x_reuse_buf(rxptr); - - } else { - /* Reuse SKB buffer when the packet is error */ - printf("Reuse buffer, rdes0"); - uli526x_reuse_buf(rxptr); - } - } - - rxptr = rxptr->next_rx_desc; - } - - db->rx_ready_ptr = rxptr; - return rxlen; -} - -/* - * Reuse the RX buffer - */ - -static void uli526x_reuse_buf(struct rx_desc *rxptr) -{ - - if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) - rxptr->rdes0 = cpu_to_le32(0x80000000); - else - printf("Buffer reuse method error"); -} -/* - * Initialize transmit/Receive descriptor - * Using Chain structure, and allocate Tx/Rx buffer - */ - -static void uli526x_descriptor_init(struct uli526x_board_info *db, - unsigned long ioaddr) -{ - struct tx_desc *tmp_tx; - struct rx_desc *tmp_rx; - unsigned char *tmp_buf; - dma_addr_t tmp_tx_dma, tmp_rx_dma; - dma_addr_t tmp_buf_dma; - int i; - /* tx descriptor start pointer */ - db->tx_insert_ptr = db->first_tx_desc; - db->tx_remove_ptr = db->first_tx_desc; - - outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */ - - /* rx descriptor start pointer */ - db->first_rx_desc = (void *)db->first_tx_desc + - sizeof(struct tx_desc) * TX_DESC_CNT; - db->first_rx_desc_dma = db->first_tx_desc_dma + - sizeof(struct tx_desc) * TX_DESC_CNT; - db->rx_ready_ptr = db->first_rx_desc; - outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */ -#ifdef DEBUG - printf("%s(): db->first_tx_desc= 0x%x\n", - __FUNCTION__, db->first_tx_desc); - printf("%s(): db->first_rx_desc_dma= 0x%x\n", - __FUNCTION__, db->first_rx_desc_dma); -#endif - /* Init Transmit chain */ - tmp_buf = db->buf_pool_start; - tmp_buf_dma = db->buf_pool_dma_start; - tmp_tx_dma = db->first_tx_desc_dma; - for (tmp_tx = db->first_tx_desc, i = 0; - i < TX_DESC_CNT; i++, tmp_tx++) { - tmp_tx->tx_buf_ptr = tmp_buf; - tmp_tx->tdes0 = cpu_to_le32(0); - tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */ - tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma); - tmp_tx_dma += sizeof(struct tx_desc); - tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma); - tmp_tx->next_tx_desc = tmp_tx + 1; - tmp_buf = tmp_buf + TX_BUF_ALLOC; - tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC; - } - (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma); - tmp_tx->next_tx_desc = db->first_tx_desc; - - /* Init Receive descriptor chain */ - tmp_rx_dma = db->first_rx_desc_dma; - for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; - i++, tmp_rx++) { - tmp_rx->rdes0 = cpu_to_le32(0); - tmp_rx->rdes1 = cpu_to_le32(0x01000600); - tmp_rx_dma += sizeof(struct rx_desc); - tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma); - tmp_rx->next_rx_desc = tmp_rx + 1; - } - (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma); - tmp_rx->next_rx_desc = db->first_rx_desc; - - /* pre-allocate Rx buffer */ - allocate_rx_buffer(db); -} - -/* - * Update CR6 value - * Firstly stop ULI526X, then written value and start - */ - -static void update_cr6(u32 cr6_data, unsigned long ioaddr) -{ - - outl(cr6_data, ioaddr + DCR6); - udelay(5); -} - -/* - * Allocate rx buffer, - */ - -static void allocate_rx_buffer(struct uli526x_board_info *db) -{ - int index; - struct rx_desc *rxptr; - rxptr = db->first_rx_desc; - u32 addr; - - for (index = 0; index < RX_DESC_CNT; index++) { - addr = (u32)NetRxPackets[index]; - addr += (16 - (addr & 15)); - rxptr->rx_buf_ptr = (char *) addr; - rxptr->rdes2 = cpu_to_le32(addr); - rxptr->rdes0 = cpu_to_le32(0x80000000); -#ifdef DEBUG - printf("%s(): Number 0x%x:\n", __FUNCTION__, index); - printf("%s(): addr 0x%x:\n", __FUNCTION__, addr); - printf("%s(): rxptr address = 0x%x\n", __FUNCTION__, rxptr); - printf("%s(): rxptr buf address = 0x%x\n", \ - __FUNCTION__, rxptr->rx_buf_ptr); - printf("%s(): rdes2 = 0x%x\n", __FUNCTION__, rxptr->rdes2); -#endif - rxptr = rxptr->next_rx_desc; - } -} - -/* - * Read one word data from the serial ROM - */ - -static u16 read_srom_word(long ioaddr, int offset) -{ - int i; - u16 srom_data = 0; - long cr9_ioaddr = ioaddr + DCR9; - - outl(CR9_SROM_READ, cr9_ioaddr); - outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); - - /* Send the Read Command 110b */ - SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); - SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); - SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr); - - /* Send the offset */ - for (i = 5; i >= 0; i--) { - srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0; - SROM_CLK_WRITE(srom_data, cr9_ioaddr); - } - - outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); - - for (i = 16; i > 0; i--) { - outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr); - udelay(5); - srom_data = (srom_data << 1) | ((inl(cr9_ioaddr) & CR9_CRDOUT) - ? 1 : 0); - outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); - udelay(5); - } - - outl(CR9_SROM_READ, cr9_ioaddr); - return srom_data; -} - -/* - * Set 10/100 phyxcer capability - * AUTO mode : phyxcer register4 is NIC capability - * Force mode: phyxcer register4 is the force media - */ - -static void uli526x_set_phyxcer(struct uli526x_board_info *db) -{ - u16 phy_reg; - - /* Phyxcer capability setting */ - phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0; - - if (db->media_mode & ULI526X_AUTO) { - /* AUTO Mode */ - phy_reg |= db->PHY_reg4; - } else { - /* Force Mode */ - switch (db->media_mode) { - case ULI526X_10MHF: phy_reg |= 0x20; break; - case ULI526X_10MFD: phy_reg |= 0x40; break; - case ULI526X_100MHF: phy_reg |= 0x80; break; - case ULI526X_100MFD: phy_reg |= 0x100; break; - } - - } - - /* Write new capability to Phyxcer Reg4 */ - if (!(phy_reg & 0x01e0)) { - phy_reg |= db->PHY_reg4; - db->media_mode |= ULI526X_AUTO; - } - phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id); - - /* Restart Auto-Negotiation */ - phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id); - udelay(50); -} - -/* - * Write a word to Phy register - */ - -static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, - u16 phy_data, u32 chip_id) -{ - u16 i; - unsigned long ioaddr; - - if (chip_id == PCI_ULI5263_ID) { - phy_writeby_cr10(iobase, phy_addr, offset, phy_data); - return; - } - /* M5261/M5263 Chip */ - ioaddr = iobase + DCR9; - - /* Send 33 synchronization clock to Phy controller */ - for (i = 0; i < 35; i++) - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send start command(01) to Phy */ - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send write command(01) to Phy */ - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send Phy address */ - for (i = 0x10; i > 0; i = i >> 1) - phy_write_1bit(ioaddr, phy_addr & i ? - PHY_DATA_1 : PHY_DATA_0, chip_id); - - /* Send register address */ - for (i = 0x10; i > 0; i = i >> 1) - phy_write_1bit(ioaddr, offset & i ? - PHY_DATA_1 : PHY_DATA_0, chip_id); - - /* written trasnition */ - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - - /* Write a word data to PHY controller */ - for (i = 0x8000; i > 0; i >>= 1) - phy_write_1bit(ioaddr, phy_data & i ? - PHY_DATA_1 : PHY_DATA_0, chip_id); -} - -/* - * Read a word data from phy register - */ - -static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id) -{ - int i; - u16 phy_data; - unsigned long ioaddr; - - if (chip_id == PCI_ULI5263_ID) - return phy_readby_cr10(iobase, phy_addr, offset); - /* M5261/M5263 Chip */ - ioaddr = iobase + DCR9; - - /* Send 33 synchronization clock to Phy controller */ - for (i = 0; i < 35; i++) - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send start command(01) to Phy */ - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send read command(10) to Phy */ - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - - /* Send Phy address */ - for (i = 0x10; i > 0; i = i >> 1) - phy_write_1bit(ioaddr, phy_addr & i ? - PHY_DATA_1 : PHY_DATA_0, chip_id); - - /* Send register address */ - for (i = 0x10; i > 0; i = i >> 1) - phy_write_1bit(ioaddr, offset & i ? - PHY_DATA_1 : PHY_DATA_0, chip_id); - - /* Skip transition state */ - phy_read_1bit(ioaddr, chip_id); - - /* read 16bit data */ - for (phy_data = 0, i = 0; i < 16; i++) { - phy_data <<= 1; - phy_data |= phy_read_1bit(ioaddr, chip_id); - } - - return phy_data; -} - -static u16 phy_readby_cr10(unsigned long iobase, u8 phy_addr, u8 offset) -{ - unsigned long ioaddr, cr10_value; - - ioaddr = iobase + DCR10; - cr10_value = phy_addr; - cr10_value = (cr10_value<<5) + offset; - cr10_value = (cr10_value<<16) + 0x08000000; - outl(cr10_value, ioaddr); - udelay(1); - while (1) { - cr10_value = inl(ioaddr); - if (cr10_value & 0x10000000) - break; - } - return (cr10_value&0x0ffff); -} - -static void phy_writeby_cr10(unsigned long iobase, u8 phy_addr, - u8 offset, u16 phy_data) -{ - unsigned long ioaddr, cr10_value; - - ioaddr = iobase + DCR10; - cr10_value = phy_addr; - cr10_value = (cr10_value<<5) + offset; - cr10_value = (cr10_value<<16) + 0x04000000 + phy_data; - outl(cr10_value, ioaddr); - udelay(1); -} -/* - * Write one bit data to Phy Controller - */ - -static void phy_write_1bit(unsigned long ioaddr, u32 phy_data, u32 chip_id) -{ - outl(phy_data , ioaddr); /* MII Clock Low */ - udelay(1); - outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */ - udelay(1); - outl(phy_data , ioaddr); /* MII Clock Low */ - udelay(1); -} - -/* - * Read one bit phy data from PHY controller - */ - -static u16 phy_read_1bit(unsigned long ioaddr, u32 chip_id) -{ - u16 phy_data; - - outl(0x50000 , ioaddr); - udelay(1); - phy_data = (inl(ioaddr) >> 19) & 0x1; - outl(0x40000 , ioaddr); - udelay(1); - - return phy_data; -} - -/* - * Set MAC address to ID Table - */ - -static void set_mac_addr(struct eth_device *dev) -{ - int i; - u16 addr; - struct uli526x_board_info *db = dev->priv; - outl(0x10000, db->ioaddr + DCR0); /* Diagnosis mode */ - /* Reset dianostic pointer port */ - outl(0x1c0, db->ioaddr + DCR13); - outl(0, db->ioaddr + DCR14); /* Clear reset port */ - outl(0x10, db->ioaddr + DCR14); /* Reset ID Table pointer */ - outl(0, db->ioaddr + DCR14); /* Clear reset port */ - outl(0, db->ioaddr + DCR13); /* Clear CR13 */ - /* Select ID Table access port */ - outl(0x1b0, db->ioaddr + DCR13); - /* Read MAC address from CR14 */ - for (i = 0; i < 3; i++) { - addr = dev->enetaddr[2 * i] | (dev->enetaddr[2 * i + 1] << 8); - outl(addr, db->ioaddr + DCR14); - } - /* write end */ - outl(0, db->ioaddr + DCR13); /* Clear CR13 */ - outl(0, db->ioaddr + DCR0); /* Clear CR0 */ - udelay(10); - return; -} -#endif |