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authorWolfgang Denk <wd@pollux.denx.de>2005-10-09 01:04:33 +0200
committerWolfgang Denk <wd@pollux.denx.de>2005-10-09 01:04:33 +0200
commit7521af1c7d95ff087a4f7636ed050f4d4be91b59 (patch)
treeacd83b262b72925dba271c7e0bcb0dcf7072bdae /drivers/e1000.c
parent95f9dda2165f045a7e1708885ee589878cc6f20b (diff)
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Add support for AP1000 board.
Patch by James MacAulay, 07 Oct 2005
Diffstat (limited to 'drivers/e1000.c')
-rw-r--r--drivers/e1000.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/e1000.c b/drivers/e1000.c
index cc50c26..787134a 100644
--- a/drivers/e1000.c
+++ b/drivers/e1000.c
@@ -112,6 +112,7 @@ static int e1000_detect_gig_phy(struct e1000_hw *hw);
readl((a)->hw_addr + E1000_##reg + ((offset) << 2)))
#define E1000_WRITE_FLUSH(a) {uint32_t x; x = E1000_READ_REG(a, STATUS);}
+#ifndef CONFIG_AP1000 /* remove for warnings */
/******************************************************************************
* Raises the EEPROM's clock input.
*
@@ -478,6 +479,7 @@ e1000_validate_eeprom_checksum(struct eth_device *nic)
return -E1000_ERR_EEPROM;
}
}
+#endif /* #ifndef CONFIG_AP1000 */
/******************************************************************************
* Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
@@ -488,6 +490,7 @@ e1000_validate_eeprom_checksum(struct eth_device *nic)
static int
e1000_read_mac_addr(struct eth_device *nic)
{
+#ifndef CONFIG_AP1000
struct e1000_hw *hw = nic->priv;
uint16_t offset;
uint16_t eeprom_data;
@@ -509,6 +512,32 @@ e1000_read_mac_addr(struct eth_device *nic)
/* Invert the last bit if this is the second device */
nic->enetaddr[5] += 1;
}
+#else
+ /*
+ * The AP1000's e1000 has no eeprom; the MAC address is stored in the
+ * environment variables. Currently this does not support the addition
+ * of a PMC e1000 card, which is certainly a possibility, so this should
+ * be updated to properly use the env variable only for the onboard e1000
+ */
+
+ int ii;
+ char *s, *e;
+
+ DEBUGFUNC();
+
+ s = getenv ("ethaddr");
+ if (s == NULL){
+ return -E1000_ERR_EEPROM;
+ }
+ else{
+ for(ii = 0; ii < 6; ii++) {
+ nic->enetaddr[ii] = s ? simple_strtoul (s, &e, 16) : 0;
+ if (s){
+ s = (*e) ? e + 1 : e;
+ }
+ }
+ }
+#endif
return 0;
}
@@ -876,6 +905,7 @@ e1000_setup_link(struct eth_device *nic)
DEBUGFUNC();
+#ifndef CONFIG_AP1000
/* Read and store word 0x0F of the EEPROM. This word contains bits
* that determine the hardware's default PAUSE (flow control) mode,
* a bit that determines whether the HW defaults to enabling or
@@ -888,6 +918,11 @@ e1000_setup_link(struct eth_device *nic)
DEBUGOUT("EEPROM Read Error\n");
return -E1000_ERR_EEPROM;
}
+#else
+ /* we have to hardcode the proper value for our hardware. */
+ /* this value is for the 82540EM pci card used for prototyping, and it works. */
+ eeprom_data = 0xb220;
+#endif
if (hw->fc == e1000_fc_default) {
if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
@@ -2950,12 +2985,14 @@ e1000_initialize(bd_t * bis)
free(nic);
return 0;
}
+#ifndef CONFIG_AP1000
if (e1000_validate_eeprom_checksum(nic) < 0) {
printf("The EEPROM Checksum Is Not Valid\n");
free(hw);
free(nic);
return 0;
}
+#endif
e1000_read_mac_addr(nic);
E1000_WRITE_REG(hw, PBA, E1000_DEFAULT_PBA);