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mvsw61xx: rework chip recognition 

Recognizes 88E6171/6172/6176 at the moment.

Signed-off-by: Claudio Leite <leitec@staticky.com>

SVN-Revision: 43936
lede-17.01
Luka Perkov 2015-01-11 17:20:03 +00:00
parent a1872182bb
commit 1e39f3aef8
2 changed files with 31 additions and 10 deletions
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27
target/linux/generic/files/drivers/net/phy/mvsw61xx.c
View File

@ -740,8 +740,8 @@ static int mvsw61xx_probe(struct platform_device *pdev)
struct mvsw61xx_state *state;
struct device_node *np = pdev->dev.of_node;
struct device_node *mdio;
char *model_str;
u32 val;
u16 reg;
int err;
state = kzalloc(sizeof(*state), GFP_KERNEL);
@ -776,17 +776,28 @@ static int mvsw61xx_probe(struct platform_device *pdev)
state->base_addr = MV_BASE;
}
reg = r16(state->bus, state->is_indirect, state->base_addr,
MV_PORTREG(IDENT, 0)) & MV_IDENT_MASK;
if (reg != MV_IDENT_VALUE) {
dev_err(&pdev->dev, "No switch found at 0x%02x\n",
state->model = r16(state->bus, state->is_indirect, state->base_addr,
MV_PORTREG(IDENT, 0)) & MV_IDENT_MASK;
switch(state->model) {
case MV_IDENT_VALUE_6171:
model_str = MV_IDENT_STR_6171;
break;
case MV_IDENT_VALUE_6172:
model_str = MV_IDENT_STR_6172;
break;
case MV_IDENT_VALUE_6176:
model_str = MV_IDENT_STR_6176;
break;
default:
dev_err(&pdev->dev, "No compatible switch found at 0x%02x\n",
state->base_addr);
err = -ENODEV;
goto out_err;
}
platform_set_drvdata(pdev, state);
dev_info(&pdev->dev, "Found %s at %s:%02x\n", MV_IDENT_STR,
dev_info(&pdev->dev, "Found %s at %s:%02x\n", model_str,
state->bus->id, state->base_addr);
dev_info(&pdev->dev, "Using %sdirect addressing\n",
@ -808,7 +819,7 @@ static int mvsw61xx_probe(struct platform_device *pdev)
state->dev.vlans = MV_VLANS;
state->dev.cpu_port = state->cpu_port0;
state->dev.ports = MV_PORTS;
state->dev.name = MV_IDENT_STR;
state->dev.name = model_str;
state->dev.ops = &mvsw61xx_ops;
state->dev.alias = dev_name(&pdev->dev);
@ -839,6 +850,8 @@ mvsw61xx_remove(struct platform_device *pdev)
static const struct of_device_id mvsw61xx_match[] = {
{ .compatible = "marvell,88e6171" },
{ .compatible = "marvell,88e6172" },
{ .compatible = "marvell,88e6176" },
{ }
};
MODULE_DEVICE_TABLE(of, mvsw61xx_match);

14
target/linux/generic/files/drivers/net/phy/mvsw61xx.h
View File

@ -190,9 +190,16 @@ enum {
};
#define MV_INDIRECT_ADDR_S 5
#define MV_IDENT_MASK 0xffc0
#define MV_IDENT_VALUE 0x1700
#define MV_IDENT_STR "MV88E617x"
#define MV_IDENT_MASK 0xfff0
#define MV_IDENT_VALUE_6171 0x1710
#define MV_IDENT_STR_6171 "MV88E6171"
#define MV_IDENT_VALUE_6172 0x1720
#define MV_IDENT_STR_6172 "MV88E6172"
#define MV_IDENT_VALUE_6176 0x1760
#define MV_IDENT_STR_6176 "MV88E6176"
#define MV_PVID_MASK 0x0fff
@ -200,6 +207,7 @@ struct mvsw61xx_state {
struct switch_dev dev;
struct mii_bus *bus;
int base_addr;
u16 model;
bool registered;
bool is_indirect;