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ar7: remove 972-cpmac_fixup patch 

This patch is causing more harm than good on most AR7 routers out there,
better have no manageable switch rather than no ethernet connection, at
least for now.

Fixes #16523, #5927

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 42168
lede-17.01
Florian Fainelli 2014-08-16 17:32:46 +00:00
parent ba0b904d0b
commit 21fde478d9
1 changed files with 0 additions and 221 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

221
target/linux/ar7/patches-3.10/972-cpmac_fixup.patch
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@ -1,221 +0,0 @@
--- a/arch/mips/ar7/platform.c
+++ b/arch/mips/ar7/platform.c
@@ -712,26 +712,23 @@ static int __init ar7_register_devices(v
}
if (ar7_has_high_cpmac()) {
+ cpmac_get_mac(0, cpmac_high_data.dev_addr);
+
res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
- if (!res) {
- cpmac_get_mac(1, cpmac_high_data.dev_addr);
+ if (!res)
+ pr_warning("unable to register fixed phy for cpmac-high: %d\n", res);
- res = platform_device_register(&cpmac_high);
- if (res)
- pr_warning("unable to register cpmac-high: %d\n", res);
- } else
- pr_warning("unable to add cpmac-high phy: %d\n", res);
- } else
+ res = platform_device_register(&cpmac_high);
+ if (res)
+ pr_warning("unable to register cpmac-high: %d\n", res);
+ cpmac_get_mac(1, cpmac_low_data.dev_addr);
+ } else {
cpmac_low_data.phy_mask = 0xffffffff;
-
- res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
- if (!res) {
cpmac_get_mac(0, cpmac_low_data.dev_addr);
- res = platform_device_register(&cpmac_low);
- if (res)
- pr_warning("unable to register cpmac-low: %d\n", res);
- } else
- pr_warning("unable to add cpmac-low phy: %d\n", res);
+ }
+ res = platform_device_register(&cpmac_low);
+ if (res)
+ pr_warning("unable to register cpmac-low: %d\n", res);
detect_leds();
res = platform_device_register(&ar7_gpio_leds);
--- a/arch/mips/include/asm/mach-ar7/ar7.h
+++ b/arch/mips/include/asm/mach-ar7/ar7.h
@@ -42,6 +42,7 @@
#define AR7_REGS_PINSEL (AR7_REGS_BASE + 0x160C)
#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)
--- a/drivers/net/ethernet/ti/cpmac.c
+++ b/drivers/net/ethernet/ti/cpmac.c
@@ -35,7 +35,6 @@
#include <linux/skbuff.h>
#include <linux/mii.h>
#include <linux/phy.h>
-#include <linux/phy_fixed.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/clk.h>
@@ -48,14 +47,11 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:cpmac");
static int debug_level = 8;
-static int dumb_switch;
-/* Next 2 are only used in cpmac_probe, so it's pointless to change them */
+/* Next is only used in cpmac_probe, so it's pointless to change them */
module_param(debug_level, int, 0444);
-module_param(dumb_switch, int, 0444);
MODULE_PARM_DESC(debug_level, "Number of NETIF_MSG bits to enable");
-MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus");
#define CPMAC_VERSION "0.5.2"
/* frame size + 802.1q tag + FCS size */
@@ -674,9 +670,8 @@ static void cpmac_hw_start(struct net_de
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);
@@ -1120,25 +1115,19 @@ static int cpmac_probe(struct platform_d
pdata = pdev->dev.platform_data;
- if (external_switch || dumb_switch) {
- strncpy(mdio_bus_id, "fixed-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;
- }
+ 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 (phy_id == PHY_MAX_ADDR) {
- dev_err(&pdev->dev, "no PHY present, falling back "
- "to switch on MDIO bus 0\n");
- strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */
+ if (phy_id == PHY_MAX_ADDR && pdev->id == 1) {
+ printk(KERN_ERR "cpmac: No PHY present, using fixed PHY\n");
phy_id = pdev->id;
+ strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE);
}
dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
@@ -1174,6 +1163,13 @@ static int cpmac_probe(struct platform_d
snprintf(priv->phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT,
mdio_bus_id, phy_id);
+ rc = register_netdev(dev);
+ if (rc) {
+ printk(KERN_ERR "cpmac: error %i registering device %s\n", rc,
+ dev->name);
+ goto fail;
+ }
+
priv->phy = phy_connect(dev, priv->phy_name, cpmac_adjust_link,
PHY_INTERFACE_MODE_MII);
@@ -1185,13 +1181,6 @@ static int cpmac_probe(struct platform_d
goto fail;
}
- rc = register_netdev(dev);
- if (rc) {
- printk(KERN_ERR "cpmac: error %i registering device %s\n", rc,
- dev->name);
- goto fail;
- }
-
if (netif_msg_probe(priv)) {
printk(KERN_INFO
"cpmac: device %s (regs: %p, irq: %d, phy: %s, "
@@ -1224,6 +1213,7 @@ int cpmac_init(void)
{
u32 mask;
int i, res;
+ void __iomem *mii_reg;
cpmac_mii = mdiobus_alloc();
if (cpmac_mii == NULL)
@@ -1247,31 +1237,51 @@ int cpmac_init(void)
ar7_gpio_disable(26);
ar7_gpio_disable(27);
- if (!ar7_is_titan()) {
+ if (ar7_is_titan()) {
+ ar7_device_reset(AR7_RESET_BIT_EPHY);
+ ar7_device_reset(TITAN_RESET_BIT_EPHY1);
+ } else {
+ ar7_device_reset(AR7_RESET_BIT_EPHY);
ar7_device_reset(AR7_RESET_BIT_CPMAC_LO);
ar7_device_reset(AR7_RESET_BIT_CPMAC_HI);
}
- ar7_device_reset(AR7_RESET_BIT_EPHY);
-
- if (ar7_is_titan())
- ar7_device_reset(TITAN_RESET_BIT_EPHY1);
cpmac_mii->reset(cpmac_mii);
for (i = 0; i < 300; i++) {
mask = cpmac_read(cpmac_mii->priv, CPMAC_MDIO_ALIVE);
+ mask &= ar7_is_titan()? ~(0x80000000 | 0x40000000) : ~(0x80000000);
if (mask)
break;
else
msleep(10);
}
- mask &= 0x7fffffff;
if (mask & (mask - 1)) {
external_switch = 1;
- mask = 0;
+ if (!ar7_has_high_cpmac()) {
+ if (ar7_is_titan()) {
+ ar7_device_disable(AR7_RESET_BIT_EPHY);
+ ar7_device_disable(TITAN_RESET_BIT_EPHY1);
+ } else
+ ar7_device_disable(AR7_RESET_BIT_EPHY);
+
+ //Titan remap might be different
+ mii_reg = ioremap(AR7_REGS_MII, 4);
+ if (mii_reg) {
+ writel(readl(mii_reg) | 1, mii_reg);
+ iounmap(mii_reg);
+ }
+ }
}
+ if (external_switch)
+ printk(KERN_INFO "EXTERNAL SWITCH!!!\n");
+ else if (mask)
+ printk(KERN_INFO "EXTERNAL PHY!!!\n");
+ else
+ printk(KERN_INFO "INTERNAL PHY!!!\n");
+
if (ar7_is_titan())
cpmac_mii->phy_mask = ~(mask | 0x80000000 | 0x40000000);
else