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openwrt-mirror/target/linux/pxa/patches-2.6.21/044-smc911x-fixup.patch
Gabor Juhos 7085e5331e refresh 2.6.21 patches 
SVN-Revision: 14454
2009-02-08 19:36:13 +00:00

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