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[ar7] refresh and refine 972-cpmac_multi_probe.patch, patch from sn9 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24180 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Florian Fainelli 2010-11-28 18:03:56 +00:00
parent 6545f6b800
commit b12f4b416e
1 changed files with 158 additions and 150 deletions
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308
target/linux/ar7/patches-2.6.32/972-cpmac_multi_probe.patch
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@ -1,16 +1,8 @@
Index: linux-2.6.32.26/arch/mips/ar7/platform.c
===================================================================
--- linux-2.6.32.26.orig/arch/mips/ar7/platform.c 2010-11-24 13:16:31.367487844 -0800
+++ linux-2.6.32.26/arch/mips/ar7/platform.c 2010-11-24 13:16:49.677512306 -0800
@@ -33,7 +33,6 @@
#include <linux/string.h>
#include <linux/etherdevice.h>
#include <linux/phy.h>
-#include <linux/phy_fixed.h>
#include <asm/addrspace.h>
#include <asm/mach-ar7/ar7.h>
@@ -46,7 +45,6 @@
--- linux-2.6.32.26.orig/arch/mips/ar7/platform.c 2010-11-28 03:22:24.522383766 -0800
+++ linux-2.6.32.26/arch/mips/ar7/platform.c 2010-11-28 04:17:24.872413302 -0800
@@ -46,7 +46,6 @@
int reset_bit;
};
@ -18,7 +10,7 @@ Index: linux-2.6.32.26/arch/mips/ar7/platform.c
static int vlynq_on(struct vlynq_device *dev)
{
int result;
@@ -72,7 +70,8 @@
@@ -72,7 +71,8 @@
msleep(50);
@ -28,87 +20,8 @@ Index: linux-2.6.32.26/arch/mips/ar7/platform.c
msleep(50);
return 0;
@@ -294,16 +293,10 @@
.width = 2,
};
-static struct fixed_phy_status fixed_phy_status __initdata = {
- .link = 1,
- .speed = 100,
- .duplex = 1,
-};
-
static struct plat_cpmac_data cpmac_low_data = {
.reset_bit = 17,
.power_bit = 20,
- .phy_mask = 0x80000000,
+ .phy_mask = 0xffffffff,
};
static struct plat_cpmac_data cpmac_high_data = {
@@ -716,11 +709,6 @@
@@ -601,6 +601,18 @@
}
if (ar7_has_high_cpmac()) {
- res = fixed_phy_add(PHY_POLL, ar7_is_titan() ? cpmac_high_titan.id : cpmac_high.id,
- &fixed_phy_status);
- if (res && res != -ENODEV)
- return res;
-
cpmac_get_mac(1, ar7_is_titan() ? cpmac_high_data_titan.dev_addr :
cpmac_high_data.dev_addr);
res = platform_device_register(ar7_is_titan() ? &cpmac_high_titan :
@@ -728,19 +716,8 @@
if (res)
return res;
- } else {
- if (ar7_is_titan())
- cpmac_low_data_titan.phy_mask = 0xffffffff;
- else
- cpmac_low_data.phy_mask = 0xffffffff;
-
}
- res = fixed_phy_add(PHY_POLL, ar7_is_titan() ? cpmac_low_titan.id :
- cpmac_low.id, &fixed_phy_status);
- if (res && res != -ENODEV)
- return res;
-
cpmac_get_mac(0, ar7_is_titan() ? cpmac_low_data_titan.dev_addr :
cpmac_low_data.dev_addr);
res = platform_device_register(ar7_is_titan() ? &cpmac_low_titan :
Index: linux-2.6.32.26/arch/mips/include/asm/mach-ar7/ar7.h
===================================================================
--- linux-2.6.32.26.orig/arch/mips/include/asm/mach-ar7/ar7.h 2010-11-24 13:16:31.387502677 -0800
+++ linux-2.6.32.26/arch/mips/include/asm/mach-ar7/ar7.h 2010-11-24 13:16:37.117485679 -0800
@@ -41,6 +41,7 @@
#define AR7_REGS_RESET (AR7_REGS_BASE + 0x1600)
#define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800)
#define AR7_REGS_DCL (AR7_REGS_BASE + 0x1a00)
+#define AR7_REGS_MII (AR7_REGS_BASE + 0x1a08)
#define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1c00)
#define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00)
#define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400)
Index: linux-2.6.32.26/drivers/net/cpmac.c
===================================================================
--- linux-2.6.32.26.orig/drivers/net/cpmac.c 2010-11-24 13:16:31.397493402 -0800
+++ linux-2.6.32.26/drivers/net/cpmac.c 2010-11-24 13:16:37.117485679 -0800
@@ -218,6 +218,12 @@
static int cpmac_stop(struct net_device *dev);
static int cpmac_open(struct net_device *dev);
+static struct fixed_phy_status fixed_phy_status = {
+ .link = 1,
+ .speed = 100,
+ .duplex = 1,
+};
+
static void cpmac_dump_regs(struct net_device *dev)
{
int i;
@@ -269,6 +275,18 @@
printk("\n");
}
+static void auto_mdix_on(void)
@ -123,10 +36,122 @@ Index: linux-2.6.32.26/drivers/net/cpmac.c
+ ar7_gpio_disable(30);
+}*/
+
static int cpmac_mdio_read(struct mii_bus *bus, int phy_id, int reg)
static void cpmac_get_mac(int instance, unsigned char *dev_addr)
{
u32 val;
@@ -1104,8 +1122,6 @@
int i;
@@ -662,6 +674,7 @@
u16 chip_id;
int res;
u32 *bootcr, val;
+ void __iomem *mii_reg;
#ifdef CONFIG_SERIAL_8250
static struct uart_port uart_port[2];
@@ -715,27 +728,6 @@
return res;
}
- if (ar7_has_high_cpmac()) {
- res = fixed_phy_add(PHY_POLL, ar7_is_titan() ? cpmac_high_titan.id : cpmac_high.id,
- &fixed_phy_status);
- if (res && res != -ENODEV)
- return res;
-
- cpmac_get_mac(1, ar7_is_titan() ? cpmac_high_data_titan.dev_addr :
- cpmac_high_data.dev_addr);
- res = platform_device_register(ar7_is_titan() ? &cpmac_high_titan :
- &cpmac_high);
-
- if (res)
- return res;
- } else {
- if (ar7_is_titan())
- cpmac_low_data_titan.phy_mask = 0xffffffff;
- else
- cpmac_low_data.phy_mask = 0xffffffff;
-
- }
-
res = fixed_phy_add(PHY_POLL, ar7_is_titan() ? cpmac_low_titan.id :
cpmac_low.id, &fixed_phy_status);
if (res && res != -ENODEV)
@@ -748,6 +740,34 @@
if (res)
return res;
+ if (ar7_has_high_cpmac()) {
+ res = fixed_phy_add(PHY_POLL, ar7_is_titan() ?
+ cpmac_high_titan.id : cpmac_high.id,
+ &fixed_phy_status);
+ if (res && res != -ENODEV)
+ return res;
+
+ cpmac_get_mac(1, ar7_is_titan() ?
+ cpmac_high_data_titan.dev_addr :
+ cpmac_high_data.dev_addr);
+ res = platform_device_register(ar7_is_titan() ?
+ &cpmac_high_titan : &cpmac_high);
+
+ if (res)
+ return res;
+ } else {
+ mii_reg = ioremap(AR7_REGS_MII, 4);
+ if (mii_reg) {
+ writel(readl(mii_reg) | 1, mii_reg);
+ iounmap(mii_reg);
+ }
+
+ ar7_gpio_disable(17);
+ mdelay(20);
+ ar7_gpio_enable(17);
+ auto_mdix_on();
+ }
+
detect_leds();
res = platform_device_register(&ar7_gpio_leds);
if (res)
@@ -771,8 +791,10 @@
ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
- val = *bootcr;
- iounmap(bootcr);
+ if (bootcr) {
+ val = *bootcr;
+ iounmap(bootcr);
+ }
/* Register watchdog only if enabled in hardware */
if (val & AR7_WDT_HW_ENA)
Index: linux-2.6.32.26/arch/mips/include/asm/mach-ar7/ar7.h
===================================================================
--- linux-2.6.32.26.orig/arch/mips/include/asm/mach-ar7/ar7.h 2010-11-28 03:22:24.522383766 -0800
+++ linux-2.6.32.26/arch/mips/include/asm/mach-ar7/ar7.h 2010-11-28 03:22:25.012385426 -0800
@@ -41,6 +41,7 @@
#define AR7_REGS_RESET (AR7_REGS_BASE + 0x1600)
#define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800)
#define AR7_REGS_DCL (AR7_REGS_BASE + 0x1a00)
+#define AR7_REGS_MII (AR7_REGS_BASE + 0x1a08)
#define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1c00)
#define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00)
#define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400)
Index: linux-2.6.32.26/drivers/net/cpmac.c
===================================================================
--- linux-2.6.32.26.orig/drivers/net/cpmac.c 2010-11-28 03:22:24.982383427 -0800
+++ linux-2.6.32.26/drivers/net/cpmac.c 2010-11-28 05:23:59.482390691 -0800
@@ -668,9 +668,8 @@
for (i = 0; i < 8; i++)
cpmac_write(priv->regs, CPMAC_MAC_ADDR_LO(i), dev->dev_addr[5]);
cpmac_write(priv->regs, CPMAC_MAC_ADDR_MID, dev->dev_addr[4]);
- cpmac_write(priv->regs, CPMAC_MAC_ADDR_HI, dev->dev_addr[0] |
- (dev->dev_addr[1] << 8) | (dev->dev_addr[2] << 16) |
- (dev->dev_addr[3] << 24));
+ cpmac_write(priv->regs, CPMAC_MAC_ADDR_HI, be32_to_cpu(*(u32 *)
+ dev->dev_addr));
cpmac_write(priv->regs, CPMAC_MAX_LENGTH, CPMAC_SKB_SIZE);
cpmac_write(priv->regs, CPMAC_UNICAST_CLEAR, 0xff);
cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 0xff);
@@ -1104,8 +1103,6 @@
.ndo_set_mac_address = eth_mac_addr,
};
@ -135,13 +160,7 @@ Index: linux-2.6.32.26/drivers/net/cpmac.c
static int __devinit cpmac_probe(struct platform_device *pdev)
{
int rc, phy_id;
@@ -1114,13 +1130,15 @@
struct cpmac_priv *priv;
struct net_device *dev;
struct plat_cpmac_data *pdata;
+ void __iomem *mii_reg;
+ u32 tmp;
+ unsigned external_mii;
@@ -1117,24 +1114,26 @@
pdata = pdev->dev.platform_data;
@ -149,61 +168,47 @@ Index: linux-2.6.32.26/drivers/net/cpmac.c
- strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
- phy_id = pdev->id;
- } else {
- for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
- if (!(pdata->phy_mask & (1 << phy_id)))
- continue;
- if (!cpmac_mii->phy_map[phy_id])
- continue;
- strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
- break;
- }
+ if (dumb_switch)
+ phy_id = PHY_MAX_ADDR;
+ else for (external_mii = 0; external_mii <= 1; external_mii++) {
for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
if (!(pdata->phy_mask & (1 << phy_id)))
continue;
@@ -1129,13 +1147,45 @@
strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
break;
}
+
+ if (phy_id == PHY_MAX_ADDR || external_mii || ar7_is_titan())
+ break;
+
+ /* Now disable EPHY and enable MII */
+ dev_info(&pdev->dev, "trying external MII\n");
+ ar7_device_disable(AR7_RESET_BIT_EPHY);
+
+ if (!ar7_has_high_cpmac()) {
+ mii_reg = ioremap(AR7_REGS_MII, 4);
+ if (!mii_reg) {
+ dev_err(&pdev->dev, "failed to iorenamp MII_SEL\n");
+ return -ENOMEM;
+ }
+
+ tmp = readl(mii_reg);
+ tmp |= 1;
+ writel(tmp, mii_reg);
+ iounmap(mii_reg);
+ }
+
+ ar7_gpio_disable(17);
+ mdelay(20);
+ ar7_gpio_enable(17);
+ else for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
+ if (!((pdata->phy_mask | cpmac_mii->phy_mask) &
+ (1 << phy_id)))
+ continue;
+ if (cpmac_mii->phy_map[phy_id])
+ continue;
+ strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
+ break;
}
if (phy_id == PHY_MAX_ADDR) {
- dev_err(&pdev->dev, "no PHY present, falling back to switch mode\n");
+ /* This still does not work, so now we register a fixed phy */
+ dev_info(&pdev->dev, "using fixed PHY\n");
+ rc = fixed_phy_add(PHY_POLL, pdev->id, &fixed_phy_status);
+ if (rc && rc != -ENODEV) {
+ dev_err(&pdev->dev, "unable to register fixed PHY\n");
+ return rc;
+ }
+
dev_err(&pdev->dev, "no PHY present, falling back to switch mode\n");
strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
phy_id = pdev->id;
- }
+ } else
+ auto_mdix_on();
+ } else {
+ /* Now disable EPHY and enable MII */
+ dev_info(&pdev->dev, "trying external MII\n");
+ ar7_device_disable(AR7_RESET_BIT_EPHY);
}
dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
@@ -1168,7 +1167,7 @@
priv->dev = dev;
priv->ring_size = 64;
priv->msg_enable = netif_msg_init(debug_level, 0xff);
- memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr));
+ memcpy(dev->dev_addr, pdata->dev_addr, sizeof(pdata->dev_addr));
@@ -1244,14 +1294,14 @@
snprintf(priv->phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
@@ -1244,14 +1243,14 @@
ar7_gpio_disable(26);
ar7_gpio_disable(27);
@ -223,7 +228,7 @@ Index: linux-2.6.32.26/drivers/net/cpmac.c
}
cpmac_mii->reset(cpmac_mii);
@@ -1262,12 +1312,6 @@
@@ -1262,14 +1261,7 @@
else
msleep(10);
@ -233,6 +238,9 @@ Index: linux-2.6.32.26/drivers/net/cpmac.c
- mask = 0;
- }
-
cpmac_mii->phy_mask = ar7_is_titan()? ~(mask | 0x80000000 | 0x40000000):
~(mask | 0x80000000);
- cpmac_mii->phy_mask = ar7_is_titan()? ~(mask | 0x80000000 | 0x40000000):
- ~(mask | 0x80000000);
+ cpmac_mii->phy_mask = ~mask;
snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "1");
res = mdiobus_register(cpmac_mii);