mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-10-30 09:29:41 +02:00
316a885776
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11209 3c298f89-4303-0410-b956-a3cf2f4a3e73
384 lines
12 KiB
Diff
384 lines
12 KiB
Diff
Index: linux-2.6.21.7/drivers/net/smc911x.c
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===================================================================
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--- linux-2.6.21.7.orig/drivers/net/smc911x.c
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+++ linux-2.6.21.7/drivers/net/smc911x.c
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@@ -76,6 +76,7 @@ static const char version[] =
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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+#include <linux/irq.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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@@ -303,14 +304,14 @@ static void smc911x_reset(struct net_dev
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SMC_SET_AFC_CFG(lp->afc_cfg);
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- /* Set to LED outputs */
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- SMC_SET_GPIO_CFG(0x70070000);
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+ /* Set to LED outputs and configure EEPROM pins as GP outputs */
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+ SMC_SET_GPIO_CFG(GPIO_CFG_LED1_EN_ | GPIO_CFG_LED2_EN_ | 1 << 20);
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/*
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- * Deassert IRQ for 1*10us for edge type interrupts
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+ * Deassert IRQ for 22*10us for edge type interrupts
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* and drive IRQ pin push-pull
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*/
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- SMC_SET_IRQ_CFG( (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_ );
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+ SMC_SET_IRQ_CFG( (22 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_ );
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/* clear anything saved */
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if (lp->pending_tx_skb != NULL) {
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@@ -413,7 +414,7 @@ static inline void smc911x_drop_pkt(stru
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if (fifo_count <= 4) {
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/* Manually dump the packet data */
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while (fifo_count--)
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- SMC_GET_RX_FIFO();
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+ (void)SMC_GET_RX_FIFO();
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} else {
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/* Fast forward through the bad packet */
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SMC_SET_RX_DP_CTRL(RX_DP_CTRL_FFWD_BUSY_);
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@@ -900,6 +901,7 @@ static void smc911x_phy_powerdown(struct
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unsigned long ioaddr = dev->base_addr;
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unsigned int bmcr;
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+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
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/* Enter Link Disable state */
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SMC_GET_PHY_BMCR(phy, bmcr);
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bmcr |= BMCR_PDOWN;
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@@ -925,6 +927,7 @@ static void smc911x_phy_check_media(stru
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if (mii_check_media(&lp->mii, netif_msg_link(lp), init)) {
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/* duplex state has changed */
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+ DBG(SMC_DEBUG_MISC, "%s: duplex state has changed\n", dev->name);
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SMC_GET_PHY_BMCR(phyaddr, bmcr);
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SMC_GET_MAC_CR(cr);
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if (lp->mii.full_duplex) {
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@@ -960,6 +963,7 @@ static void smc911x_phy_configure(struct
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int my_phy_caps; /* My PHY capabilities */
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int my_ad_caps; /* My Advertised capabilities */
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int status;
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+ int bmcr;
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unsigned long flags;
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DBG(SMC_DEBUG_FUNC, "%s: --> %s()\n", dev->name, __FUNCTION__);
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@@ -1033,9 +1037,12 @@ static void smc911x_phy_configure(struct
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DBG(SMC_DEBUG_MISC, "%s: phy caps=0x%04x\n", dev->name, my_phy_caps);
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DBG(SMC_DEBUG_MISC, "%s: phy advertised caps=0x%04x\n", dev->name, my_ad_caps);
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+ DBG(SMC_DEBUG_MISC, "%s: phy advertised readback caps=0x%04x\n", dev->name, status);
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/* Restart auto-negotiation process in order to advertise my caps */
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- SMC_SET_PHY_BMCR(phyaddr, BMCR_ANENABLE | BMCR_ANRESTART);
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+ SMC_GET_PHY_BMCR(phyaddr, bmcr);
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+ bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
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+ SMC_SET_PHY_BMCR(phyaddr, bmcr);
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smc911x_phy_check_media(dev, 1);
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@@ -1888,6 +1895,39 @@ static int __init smc911x_findirq(unsign
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return probe_irq_off(cookie);
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}
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+static inline unsigned int is_gumstix_oui(u8 *addr)
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+{
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+ return (addr[0] == 0x00 && addr[1] == 0x15 && addr[2] == 0xC9);
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+}
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+
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+/**
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+ * gen_serial_ether_addr - Generate software assigned Ethernet address
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+ * based on the system_serial number
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+ * @addr: Pointer to a six-byte array containing the Ethernet address
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+ *
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+ * Generate an Ethernet address (MAC) that is not multicast
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+ * and has the local assigned bit set, keyed on the system_serial
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+ */
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+static inline void gen_serial_ether_addr(u8 *addr)
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+{
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+ static u8 ether_serial_digit = 0;
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+ addr [0] = system_serial_high >> 8;
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+ addr [1] = system_serial_high;
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+ addr [2] = system_serial_low >> 24;
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+ addr [3] = system_serial_low >> 16;
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+ addr [4] = system_serial_low >> 8;
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+ addr [5] = (system_serial_low & 0xc0) | /* top bits are from system serial */
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+ (1 << 4) | /* 2 bits identify interface type 1=ether, 2=usb, 3&4 undef */
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+ ((ether_serial_digit++) & 0x0f); /* 15 possible interfaces of each type */
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+
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+ if(!is_gumstix_oui(addr))
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+ {
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+ addr [0] &= 0xfe; /* clear multicast bit */
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+ addr [0] |= 0x02; /* set local assignment bit (IEEE802) */
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+ }
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+}
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+
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+
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/*
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* Function: smc911x_probe(unsigned long ioaddr)
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*
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@@ -2116,15 +2156,13 @@ static int __init smc911x_probe(struct n
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#endif
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printk("\n");
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if (!is_valid_ether_addr(dev->dev_addr)) {
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- printk("%s: Invalid ethernet MAC address. Please "
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- "set using ifconfig\n", dev->name);
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- } else {
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- /* Print the Ethernet address */
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- printk("%s: Ethernet addr: ", dev->name);
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- for (i = 0; i < 5; i++)
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- printk("%2.2x:", dev->dev_addr[i]);
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- printk("%2.2x\n", dev->dev_addr[5]);
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+ gen_serial_ether_addr(dev->dev_addr);
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}
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+ /* Print the Ethernet address */
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+ printk("%s: Ethernet addr: ", dev->name);
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+ for (i = 0; i < 5; i++)
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+ printk("%2.2x:", dev->dev_addr[i]);
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+ printk("%2.2x\n", dev->dev_addr[5]);
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if (lp->phy_type == 0) {
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PRINTK("%s: No PHY found\n", dev->name);
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@@ -2300,8 +2338,15 @@ static struct platform_driver smc911x_dr
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},
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};
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+#ifdef CONFIG_ARCH_GUMSTIX
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+extern void gumstix_smc911x_load(void);
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+#endif
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+
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static int __init smc911x_init(void)
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{
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+#ifdef CONFIG_ARCH_GUMSTIX
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+ gumstix_smc911x_load();
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+#endif
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return platform_driver_register(&smc911x_driver);
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}
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Index: linux-2.6.21.7/drivers/net/gumstix-smc911x.c
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===================================================================
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--- /dev/null
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+++ linux-2.6.21.7/drivers/net/gumstix-smc911x.c
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@@ -0,0 +1,148 @@
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+/*
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+ * Gumstix SMC911x chip intialization driver
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+ *
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+ * Author: Craig Hughes
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+ * Created: December 9, 2004
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+ * Copyright: (C) 2004 Craig Hughes
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2 of the License, or
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+ * (at your option) any later version.
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+ *
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/ioport.h>
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+#include <linux/device.h>
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+#include <linux/platform_device.h>
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+#include <linux/delay.h>
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+
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+#include <asm/hardware.h>
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+#include <asm/arch/pxa-regs.h>
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+#include <asm/delay.h>
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+
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+#include <asm/arch/gumstix.h>
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+
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+#define SMC_DEBUG 9
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+#include <asm/io.h>
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+#include "smc911x.h"
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+
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+static struct resource gumstix_smc911x0_resources[] = {
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+ [0] = {
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+ .name = "smc911x-regs",
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+ .start = PXA_CS1_PHYS,
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+ .end = PXA_CS1_PHYS + 0x000fffff,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ [1] = {
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+ .start = GUMSTIX_ETH0_IRQ,
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+ .end = GUMSTIX_ETH0_IRQ,
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+ .flags = IORESOURCE_IRQ,
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+ },
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+};
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+
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+static struct resource gumstix_smc911x1_resources[] = {
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+ [0] = {
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+ .name = "smc911x-regs",
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+ .start = PXA_CS2_PHYS,
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+ .end = PXA_CS2_PHYS + 0x000fffff,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ [1] = {
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+ .start = GUMSTIX_ETH1_IRQ,
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+ .end = GUMSTIX_ETH1_IRQ,
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+ .flags = IORESOURCE_IRQ,
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+ },
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+};
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+
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+static struct platform_device gumstix_smc911x0_device = {
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+ .name = "smc911x",
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+ .id = 0,
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+ .num_resources = ARRAY_SIZE(gumstix_smc911x0_resources),
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+ .resource = gumstix_smc911x0_resources,
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+};
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+
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+static struct platform_device gumstix_smc911x1_device = {
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+ .name = "smc911x",
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+ .id = 1,
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+ .num_resources = ARRAY_SIZE(gumstix_smc911x1_resources),
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+ .resource = gumstix_smc911x1_resources,
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+};
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+
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+static struct platform_device *smc911x_devices[] = {
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+ &gumstix_smc911x0_device,
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+ &gumstix_smc911x1_device,
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+};
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+
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+/* First we're going to test if there's a 2nd SMC911x, and if not, then we'll free up those resources and the GPIO lines
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+ * that it would otherwise use. We have no choice but to probe by doing:
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+ * Set nCS2 to CS2 mode
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+ * Set the reset line to GPIO out mode, and pull it high, then drop it low (to trigger reset)
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+ * Read from the memory space to check for the sentinel sequence identifying a likely SMC911x device
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+ */
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+int __init gumstix_smc911x_init(void)
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+{
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+ unsigned int val, num_devices=ARRAY_SIZE(smc911x_devices);
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+ void *ioaddr;
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+
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+ /* Set up nPWE */
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+ pxa_gpio_mode(GPIO49_nPWE_MD);
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+
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+ pxa_gpio_mode(GPIO78_nCS_2_MD);
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+ // If either if statement fails, then we'll drop out and turn_off_eth1,
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+ // if both succeed, then we'll skip that and just proceed with 2 cards
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+ if(request_mem_region(gumstix_smc911x1_resources[1].start, SMC911X_IO_EXTENT, "smc911x probe"))
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+ {
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+ ioaddr = ioremap(gumstix_smc911x1_resources[1].start, SMC911X_IO_EXTENT);
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+ val = SMC_GET_PN();
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+ iounmap(ioaddr);
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+ release_mem_region(gumstix_smc911x1_resources[1].start, SMC911X_IO_EXTENT);
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+ if (CHIP_9115 == val ||
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+ CHIP_9116 == val ||
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+ CHIP_9117 == val ||
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+ CHIP_9118 == val ) {
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+ goto proceed;
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+ }
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+ }
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+
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+turn_off_eth1:
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+ // This is apparently not an SMC911x
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+ // So, let's decrement the number of devices to request, and reset the GPIO lines to GPIO IN mode
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+ num_devices--;
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+ smc911x_devices[1] = NULL;
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+ pxa_gpio_mode(78 | GPIO_IN);
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+
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+proceed:
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+ pxa_gpio_mode(GPIO15_nCS_1_MD);
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+
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+ if(smc911x_devices[1]) pxa_gpio_mode(GPIO_GUMSTIX_ETH1_RST_MD);
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+ pxa_gpio_mode(GPIO_GUMSTIX_ETH0_RST_MD);
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+
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+ if(smc911x_devices[1]) GPCR(GPIO_GUMSTIX_ETH1_RST) = GPIO_bit(GPIO_GUMSTIX_ETH1_RST);
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+ GPCR(GPIO_GUMSTIX_ETH0_RST) = GPIO_bit(GPIO_GUMSTIX_ETH0_RST);
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+ msleep(500); // Hold RESET for at least 200µ
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+
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+ if(smc911x_devices[1]) GPSR(GPIO_GUMSTIX_ETH1_RST) = GPIO_bit(GPIO_GUMSTIX_ETH1_RST);
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+ GPSR(GPIO_GUMSTIX_ETH0_RST) = GPIO_bit(GPIO_GUMSTIX_ETH0_RST);
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+ msleep(50);
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+
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+ return platform_add_devices(smc911x_devices, num_devices);
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+}
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+
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+void __exit gumstix_smc911x_exit(void)
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+{
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+ if(smc911x_devices[1] != NULL) platform_device_unregister(&gumstix_smc911x1_device);
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+ platform_device_unregister(&gumstix_smc911x0_device);
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+}
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+
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+void gumstix_smc911x_load(void) {}
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+EXPORT_SYMBOL(gumstix_smc911x_load);
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+
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+module_init(gumstix_smc911x_init);
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+module_exit(gumstix_smc911x_exit);
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+
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+MODULE_LICENSE("GPL");
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+MODULE_AUTHOR("Craig Hughes <craig@gumstix.com>");
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+MODULE_DESCRIPTION("Gumstix board SMC911x chip initialization driver");
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+MODULE_VERSION("1:0.1");
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Index: linux-2.6.21.7/drivers/net/Kconfig
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===================================================================
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--- linux-2.6.21.7.orig/drivers/net/Kconfig
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+++ linux-2.6.21.7/drivers/net/Kconfig
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@@ -1020,6 +1020,13 @@ config SMC911X
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called smc911x. If you want to compile it as a module, say M
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here and read <file:Documentation/modules.txt>
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+config SMC911X_GUMSTIX
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+ tristate
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+ default m if SMC911X=m
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+ default y if SMC911X=y
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+ depends on SMC911X && ARCH_GUMSTIX
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+
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+
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config NET_VENDOR_RACAL
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bool "Racal-Interlan (Micom) NI cards"
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depends on NET_ETHERNET && ISA
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Index: linux-2.6.21.7/drivers/net/Makefile
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===================================================================
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--- linux-2.6.21.7.orig/drivers/net/Makefile
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+++ linux-2.6.21.7/drivers/net/Makefile
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@@ -202,6 +202,7 @@ obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o
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obj-$(CONFIG_MACB) += macb.o
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obj-$(CONFIG_SMC91X_GUMSTIX) += gumstix-smc91x.o
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+obj-$(CONFIG_SMC911X_GUMSTIX) += gumstix-smc911x.o
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obj-$(CONFIG_ARM) += arm/
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obj-$(CONFIG_DEV_APPLETALK) += appletalk/
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obj-$(CONFIG_TR) += tokenring/
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Index: linux-2.6.21.7/include/asm-arm/arch-pxa/gumstix.h
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===================================================================
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--- linux-2.6.21.7.orig/include/asm-arm/arch-pxa/gumstix.h
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+++ linux-2.6.21.7/include/asm-arm/arch-pxa/gumstix.h
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@@ -52,7 +52,7 @@
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#define GPIO_GUMSTIX_ETH0_RST 80
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#define GPIO_GUMSTIX_ETH0 36
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#else
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-#define GPIO_GUMSTIX_ETH0_RST 32
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+#define GPIO_GUMSTIX_ETH0_RST 107
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#define GPIO_GUMSTIX_ETH0 99
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#endif
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#define GPIO_GUMSTIX_ETH1_RST 52
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Index: linux-2.6.21.7/drivers/net/smc911x.h
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===================================================================
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--- linux-2.6.21.7.orig/drivers/net/smc911x.h
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+++ linux-2.6.21.7/drivers/net/smc911x.h
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@@ -33,7 +33,9 @@
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* Use the DMA feature on PXA chips
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*/
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#ifdef CONFIG_ARCH_PXA
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+#if !defined( CONFIG_SMC911X_GUMSTIX ) && !defined( CONFIG_SMC911X_GUMSTIX_MODULE )
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#define SMC_USE_PXA_DMA 1
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+#endif
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#define SMC_USE_16BIT 0
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#define SMC_USE_32BIT 1
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#endif
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@@ -46,13 +48,13 @@
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#if SMC_USE_16BIT
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#define SMC_inb(a, r) readb((a) + (r))
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#define SMC_inw(a, r) readw((a) + (r))
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-#define SMC_inl(a, r) ((SMC_inw(a, r) & 0xFFFF)+(SMC_inw(a+2, r)<<16))
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+#define SMC_inl(a, r) ((SMC_inw(a, r) & 0xFFFF)+(SMC_inw((a)+2, r)<<16))
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#define SMC_outb(v, a, r) writeb(v, (a) + (r))
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#define SMC_outw(v, a, r) writew(v, (a) + (r))
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#define SMC_outl(v, a, r) \
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do{ \
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- writel(v & 0xFFFF, (a) + (r)); \
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- writel(v >> 16, (a) + (r) + 2); \
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+ writel((v) & 0xFFFF, (a) + (r)); \
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+ writel((v) >> 16, (a) + (r) + 2); \
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} while (0)
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#define SMC_insl(a, r, p, l) readsw((short*)((a) + (r)), p, l*2)
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#define SMC_outsl(a, r, p, l) writesw((short*)((a) + (r)), p, l*2)
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