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author	akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>	2008-09-25 17:42:52 +0000
committer	akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>	2008-09-25 17:42:52 +0000
commit	c973cee68f768e52c6cc8575a7ab2c1120931e59 (patch)
tree	40541d2dee23d537198074cb0a541843891f2c8b /test/webrick/webrick.cgi
parent	56d304edb0e32fbd95581c6e731abe1e759c875f (diff)

update rdoc.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@19558 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Diffstat (limited to 'test/webrick/webrick.cgi')

0 files changed, 0 insertions, 0 deletions

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/*
 * PLB2800 internal switch ethernet driver.
 *
 * (C) Copyright 2003
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <malloc.h>
#include <net.h>
#include <netdev.h>
#include <asm/addrspace.h>


#define NUM_RX_DESC	PKTBUFSRX
#define TOUT_LOOP	1000000

#define LONG_REF(addr) (*((volatile unsigned long*)addr))

#define CMAC_CRX_CTRL	LONG_REF(0xb800c870)
#define CMAC_CTX_CTRL	LONG_REF(0xb800c874)
#define SYS_MAC_ADDR_0	LONG_REF(0xb800c878)
#define SYS_MAC_ADDR_1	LONG_REF(0xb800c87c)
#define MIPS_H_MASK	LONG_REF(0xB800C810)

#define MA_LEARN	LONG_REF(0xb8008004)
#define DA_LOOKUP	LONG_REF(0xb8008008)

#define CMAC_CRX_CTRL_PD	0x00000001
#define CMAC_CRX_CTRL_CG	0x00000002
#define CMAC_CRX_CTRL_PL_SHIFT	2
#define CMAC_CRIT		0x0
#define CMAC_NON_CRIT		0x1
#define MBOX_STAT_ID_SHF	28
#define MBOX_STAT_CP		0x80000000
#define MBOX_STAT_MB		0x00000001
#define EN_MA_LEARN		0x02000000
#define EN_DA_LKUP		0x01000000
#define MA_DEST_SHF		11
#define DA_DEST_SHF		11
#define DA_STATE_SHF		19
#define TSTAMP_MS		0x00000000
#define SW_H_MBOX4_MASK		0x08000000
#define SW_H_MBOX3_MASK		0x04000000
#define SW_H_MBOX2_MASK		0x02000000
#define SW_H_MBOX1_MASK		0x01000000

typedef volatile struct {
  unsigned int stat;
  unsigned int cmd;
  unsigned int cnt;
  unsigned int adr;
} mailbox_t;

#define MBOX_REG(mb) ((mailbox_t*)(0xb800c830+(mb<<4)))

typedef volatile struct {
  unsigned int word0;
  unsigned int word1;
  unsigned int word2;
} mbhdr_t;

#define MBOX_MEM(mb) ((void*)(0xb800a000+((3-mb)<<11)))


static int plb2800_eth_init(struct eth_device *dev, bd_t * bis);
static int plb2800_eth_send(struct eth_device *dev, volatile void *packet,
						  int length);
static int plb2800_eth_recv(struct eth_device *dev);
static void plb2800_eth_halt(struct eth_device *dev);

static void plb2800_set_mac_addr(struct eth_device *dev, unsigned char * addr);
static unsigned char * plb2800_get_mac_addr(void);

static int rx_new;
static int mac_addr_set = 0;


int plb2800_eth_initialize(bd_t * bis)
{
	struct eth_device *dev;
	ulong temp;

#ifdef DEBUG
	printf("Entered plb2800_eth_initialize()\n");
#endif

	if (!(dev = (struct eth_device *) malloc (sizeof *dev)))
	{
		printf("Failed to allocate memory\n");
		return -1;
	}
	memset(dev, 0, sizeof(*dev));

	sprintf(dev->name, "PLB2800 Switch");
	dev->init = plb2800_eth_init;
	dev->halt = plb2800_eth_halt;
	dev->send = plb2800_eth_send;
	dev->recv = plb2800_eth_recv;

	eth_register(dev);

	/* bug fix */
	*(ulong *)0xb800e800 = 0x838;

	/* Set MBOX ownership */
	temp = CMAC_CRIT << MBOX_STAT_ID_SHF;
	MBOX_REG(0)->stat = temp;
	MBOX_REG(1)->stat = temp;

	temp = CMAC_NON_CRIT << MBOX_STAT_ID_SHF;
	MBOX_REG(2)->stat = temp;
	MBOX_REG(3)->stat = temp;

	plb2800_set_mac_addr(dev, plb2800_get_mac_addr());

	/* Disable all Mbox interrupt */
	temp = MIPS_H_MASK;


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