diff options
Diffstat (limited to 'target/linux/generic-2.6/files')
| -rw-r--r-- | target/linux/generic-2.6/files/drivers/net/phy/ip175c.c | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c b/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c index 706c973c1c..ede5d51341 100644 --- a/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c +++ b/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c @@ -25,6 +25,7 @@ #include <linux/phy.h> #include <linux/delay.h> #include <linux/switch.h> +#include <linux/device.h> #define MAX_VLANS 16 #define MAX_PORTS 9 @@ -378,41 +379,41 @@ static int setPhy(struct ip175c_state *state, reg mii, u16 value) static int get_model(struct ip175c_state *state) { - reg oui_id_reg = {0, 2}; - int oui_id; - reg model_no_reg = {0, 3}; - int model_no, model_no_orig; - - // 175 and 178 have the same oui ID. - reg oui_id_reg_178c = {5, 2}; // returns error on IP175C. - int is_178c = 0; - - oui_id = getPhy(state, oui_id_reg); - if (oui_id != 0x0243) { - // non - return -ENODEV; // Not a IC+ chip. - } - oui_id = getPhy(state, oui_id_reg_178c); - if (oui_id == 0x0243) { - is_178c = 1; - } + int id1, id2; + int oui_id, model_no, rev_no, chip_no; + + id1 = ip_phy_read(state, 0, 2); + id2 = ip_phy_read(state, 0, 3); + oui_id = (id1 << 6) | ((id2 >> 10) & 0x3f); + model_no = (id2 >> 4) & 0x3f; + rev_no = id2 & 0xf; + pr_debug("IP175C: Identified oui=%06x model=%02x rev=%X\n", oui_id, model_no, rev_no); - model_no_orig = getPhy(state, model_no_reg); - if (model_no_orig < 0) { + if (oui_id != 0x0090c3) // No other oui_id should have reached us anyway return -ENODEV; - } - model_no = model_no_orig >> 4; // shift out revision number. - model_no &= 0x3f; // only take the model number (low 6 bits). + if (model_no == IP175A.MODEL_NO) { state->regs = &IP175A; } else if (model_no == IP175C.MODEL_NO) { - if (is_178c) { + /* + * Several models share the same model_no: + * 178C has more PHYs, so we try whether the device responds to a read from PHY5 + * 175D has a new chip ID register + * 175C has neither + */ + if (ip_phy_read(state, 5, 2) == 0x0243) { state->regs = &IP178C; } else { - state->regs = &IP175C; + chip_no = ip_phy_read(state, 20, 0); + pr_debug("IP175C: Chip ID register reads %04x\n", chip_no); + if (chip_no == 0x175d) { + state->regs = &IP175C; + } else { + state->regs = &IP175C; + } } } else { - printk(KERN_WARNING "ip175c: Found an unknown IC+ switch with model number %02Xh.\n", model_no_orig); + pr_warning("IP175C: Found an unknown IC+ switch with model number %02x, revision %X.\n", model_no, rev_no); return -EPERM; } return 0; @@ -1321,6 +1322,7 @@ static int ip175c_probe(struct phy_device *pdev) dev->ports = state->regs->NUM_PORTS; dev->name = state->regs->NAME; + pr_info("IP175C: Found %s at %s\n", dev->name, dev_name(&pdev->dev)); return 0; error: @@ -1371,8 +1373,8 @@ static int ip175c_read_status(struct phy_device *pdev) static struct phy_driver ip175c_driver = { .name = "IC+ IP175C", - .phy_id = 0x02430d80, - .phy_id_mask = 0x0ffffff0, + .phy_id = 0x02430c00, + .phy_id_mask = 0x0ffffc00, .features = PHY_BASIC_FEATURES, .probe = ip175c_probe, .remove = ip175c_remove, |