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kernel: support bgmac on BCM47094 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

Backport of r48564 and r48756

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@48790 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Rafał Miłecki 2016-02-26 07:10:16 +00:00
parent 4c8167b640
commit 268c966d91
4 changed files with 151 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
target/linux/bcm53xx/patches-3.18/700-bgmac-add-support-for-the-3rd-bus-core-device.patch
View File

@ -17,7 +17,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -1561,11 +1561,20 @@ static int bgmac_probe(struct bcma_devic
@@ -1566,11 +1566,20 @@ static int bgmac_probe(struct bcma_devic
struct net_device *net_dev;
struct bgmac *bgmac;
struct ssb_sprom *sprom = &core->bus->sprom;
@ -41,7 +41,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
pr_err("Unsupported core_unit %d\n", core->core_unit);
return -ENOTSUPP;
}
@@ -1600,8 +1609,17 @@ static int bgmac_probe(struct bcma_devic
@@ -1605,8 +1614,17 @@ static int bgmac_probe(struct bcma_devic
}
bgmac->cmn = core->bus->drv_gmac_cmn.core;

106
target/linux/generic/patches-3.18/078-bgmac-add-helper-checking-for-BCM4707-BCM53018-chip-.patch Normal file
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@ -0,0 +1,106 @@
From 387b75f8b31437792e8334390fdf5cf060d1e3da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 2 Feb 2016 07:47:14 +0100
Subject: [PATCH] bgmac: add helper checking for BCM4707 / BCM53018 chip id
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Chipsets with BCM4707 / BCM53018 ID require special handling at a few
places in the code. It's likely there will be more IDs to check in the
future. To simplify it add this trivial helper.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/broadcom/bgmac.c | 30 ++++++++++++++++--------------
1 file changed, 16 insertions(+), 14 deletions(-)
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -26,6 +26,17 @@ static const struct bcma_device_id bgmac
};
MODULE_DEVICE_TABLE(bcma, bgmac_bcma_tbl);
+static inline bool bgmac_is_bcm4707_family(struct bgmac *bgmac)
+{
+ switch (bgmac->core->bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4707:
+ case BCMA_CHIP_ID_BCM53018:
+ return true;
+ default:
+ return false;
+ }
+}
+
static bool bgmac_wait_value(struct bcma_device *core, u16 reg, u32 mask,
u32 value, int timeout)
{
@@ -982,11 +993,9 @@ static void bgmac_mac_speed(struct bgmac
static void bgmac_miiconfig(struct bgmac *bgmac)
{
struct bcma_device *core = bgmac->core;
- struct bcma_chipinfo *ci = &core->bus->chipinfo;
u8 imode;
- if (ci->id == BCMA_CHIP_ID_BCM4707 ||
- ci->id == BCMA_CHIP_ID_BCM53018) {
+ if (bgmac_is_bcm4707_family(bgmac)) {
bcma_awrite32(core, BCMA_IOCTL,
bcma_aread32(core, BCMA_IOCTL) | 0x40 |
BGMAC_BCMA_IOCTL_SW_CLKEN);
@@ -1050,9 +1059,7 @@ static void bgmac_chip_reset(struct bgma
}
/* Request Misc PLL for corerev > 2 */
- if (core->id.rev > 2 &&
- ci->id != BCMA_CHIP_ID_BCM4707 &&
- ci->id != BCMA_CHIP_ID_BCM53018) {
+ if (core->id.rev > 2 && !bgmac_is_bcm4707_family(bgmac)) {
bgmac_set(bgmac, BCMA_CLKCTLST,
BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ);
bgmac_wait_value(bgmac->core, BCMA_CLKCTLST,
@@ -1188,8 +1195,7 @@ static void bgmac_enable(struct bgmac *b
break;
}
- if (ci->id != BCMA_CHIP_ID_BCM4707 &&
- ci->id != BCMA_CHIP_ID_BCM53018) {
+ if (!bgmac_is_bcm4707_family(bgmac)) {
rxq_ctl = bgmac_read(bgmac, BGMAC_RXQ_CTL);
rxq_ctl &= ~BGMAC_RXQ_CTL_MDP_MASK;
bp_clk = bcma_pmu_get_bus_clock(&bgmac->core->bus->drv_cc) /
@@ -1467,14 +1473,12 @@ static int bgmac_fixed_phy_register(stru
static int bgmac_mii_register(struct bgmac *bgmac)
{
- struct bcma_chipinfo *ci = &bgmac->core->bus->chipinfo;
struct mii_bus *mii_bus;
struct phy_device *phy_dev;
char bus_id[MII_BUS_ID_SIZE + 3];
int i, err = 0;
- if (ci->id == BCMA_CHIP_ID_BCM4707 ||
- ci->id == BCMA_CHIP_ID_BCM53018)
+ if (bgmac_is_bcm4707_family(bgmac))
return bgmac_fixed_phy_register(bgmac);
mii_bus = mdiobus_alloc();
@@ -1545,7 +1549,6 @@ static void bgmac_mii_unregister(struct
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipattach */
static int bgmac_probe(struct bcma_device *core)
{
- struct bcma_chipinfo *ci = &core->bus->chipinfo;
struct net_device *net_dev;
struct bgmac *bgmac;
struct ssb_sprom *sprom = &core->bus->sprom;
@@ -1608,8 +1611,7 @@ static int bgmac_probe(struct bcma_devic
bgmac_chip_reset(bgmac);
/* For Northstar, we have to take all GMAC core out of reset */
- if (ci->id == BCMA_CHIP_ID_BCM4707 ||
- ci->id == BCMA_CHIP_ID_BCM53018) {
+ if (bgmac_is_bcm4707_family(bgmac)) {
struct bcma_device *ns_core;
int ns_gmac;

39
target/linux/generic/patches-3.18/079-bgmac-support-Ethernet-device-on-BCM47094-SoC.patch Normal file
View File

@ -0,0 +1,39 @@
From 9e4e6206c67ae11d68fc96882256f37c237087d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Mon, 22 Feb 2016 22:51:13 +0100
Subject: [PATCH] bgmac: support Ethernet device on BCM47094 SoC
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It needs very similar workarounds to the one on BCM4707. It was tested
on D-Link DIR-885L home router.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/broadcom/bgmac.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -30,6 +30,7 @@ static inline bool bgmac_is_bcm4707_fami
{
switch (bgmac->core->bus->chipinfo.id) {
case BCMA_CHIP_ID_BCM4707:
+ case BCMA_CHIP_ID_BCM47094:
case BCMA_CHIP_ID_BCM53018:
return true;
default:
@@ -1047,8 +1048,9 @@ static void bgmac_chip_reset(struct bgma
(ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188))
iost &= ~BGMAC_BCMA_IOST_ATTACHED;
- /* 3GMAC: for BCM4707, only do core reset at bgmac_probe() */
- if (ci->id != BCMA_CHIP_ID_BCM4707) {
+ /* 3GMAC: for BCM4707 & BCM47094, only do core reset at bgmac_probe() */
+ if (ci->id != BCMA_CHIP_ID_BCM4707 &&
+ ci->id != BCMA_CHIP_ID_BCM47094) {
flags = 0;
if (iost & BGMAC_BCMA_IOST_ATTACHED) {
flags = BGMAC_BCMA_IOCTL_SW_CLKEN;

10
target/linux/generic/patches-3.18/773-bgmac-add-srab-switch.patch
View File

@ -12,7 +12,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
#include <bcm47xx_nvram.h>
static const struct bcma_device_id bgmac_bcma_tbl[] = {
@@ -1538,6 +1539,17 @@ static void bgmac_mii_unregister(struct
@@ -1544,6 +1545,17 @@ static void bgmac_mii_unregister(struct
mdiobus_free(mii_bus);
}
@ -30,13 +30,11 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
/**************************************************
* BCMA bus ops
**************************************************/
@@ -1664,6 +1676,16 @@ static int bgmac_probe(struct bcma_devic
@@ -1668,6 +1680,14 @@ static int bgmac_probe(struct bcma_devic
net_dev->hw_features = net_dev->features;
net_dev->vlan_features = net_dev->features;
+ if ((ci->id == BCMA_CHIP_ID_BCM4707 ||
+ ci->id == BCMA_CHIP_ID_BCM53018) &&
+ !bgmac_b53_pdata.regs) {
+ if (bgmac_is_bcm4707_family(bgmac) && !bgmac_b53_pdata.regs) {
+ bgmac_b53_pdata.regs = ioremap_nocache(0x18007000, 0x1000);
+
+ err = platform_device_register(&bgmac_b53_dev);
@ -47,7 +45,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
err = register_netdev(bgmac->net_dev);
if (err) {
bgmac_err(bgmac, "Cannot register net device\n");
@@ -1690,6 +1712,10 @@ static void bgmac_remove(struct bcma_dev
@@ -1694,6 +1714,10 @@ static void bgmac_remove(struct bcma_dev
{
struct bgmac *bgmac = bcma_get_drvdata(core);