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openwrt-mirror/target/linux/ar7/patches-3.10/972-cpmac_fixup.patch
Jonas Gorski 5ba5efcd9b ar7: add support for linux 3.10 and switch to it 
Run tested on WAG354Gv2.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 38369
2013-10-12 10:50:44 +00:00

222 lines
6.7 KiB
Diff
Raw Blame History

--- 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
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