From: Ladislav Michl <[EMAIL PROTECTED]>
Thanks to Jö Fahlke for donating hardware.
Signed-off-by: Ladislav Michl <[EMAIL PROTECTED]>
Forward porting of Ladis' 2.4 patch.
Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
diff --git a/drivers/net/sgiseeq.c b/drivers/net/sgiseeq.c
index 52ed522..b881330 100644
--- a/drivers/net/sgiseeq.c
+++ b/drivers/net/sgiseeq.c
@@ -625,7 +625,7 @@ static inline void setup_rx_ring(struct sgiseeq_rx_desc
*buf, int nbufs)
#define ALIGNED(x) unsigned long)(x)) + 0xf) & ~(0xf))
-static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq)
+static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)
{
struct sgiseeq_init_block *sr;
struct sgiseeq_private *sp;
@@ -651,7 +651,9 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq)
#define EADDR_NVOFS 250
for (i = 0; i < 3; i++) {
- unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i);
+ unsigned short tmp = has_eeprom ?
+ ip22_eeprom_read(&hpcregs->eeprom, EADDR_NVOFS / 2+i) :
+ ip22_nvram_read(EADDR_NVOFS / 2+i);
dev->dev_addr[2 * i] = tmp >> 8;
dev->dev_addr[2 * i + 1] = tmp & 0xff;
@@ -684,6 +686,11 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq)
sp->hregs->dconfig = HPC3_EDCFG_FIRQ | HPC3_EDCFG_FEOP |
HPC3_EDCFG_FRXDC | HPC3_EDCFG_PTO | 0x026;
+ /* Setup PIO and DMA transfer timing */
+ sp->hregs->pconfig = 0x161;
+ sp->hregs->dconfig = HPC3_EDCFG_FIRQ | HPC3_EDCFG_FEOP |
+HPC3_EDCFG_FRXDC | HPC3_EDCFG_PTO | 0x026;
+
/* Reset the chip. */
hpc3_eth_reset(sp->hregs);
@@ -730,8 +737,23 @@ err_out:
static int __init sgiseeq_probe(void)
{
+ unsigned int tmp, ret1, ret2 = 0;
+
/* On board adapter on 1st HPC is always present */
- return sgiseeq_init(hpc3c0, SGI_ENET_IRQ);
+ ret1 = sgiseeq_init(hpc3c0, SGI_ENET_IRQ, 0);
+ /* Let's see if second HPC is there */
+ if (!(ip22_is_fullhouse()) &&
+ get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]) == 0) {
+ sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 |
+SGIMC_GIOPAR_EXP164 |
+SGIMC_GIOPAR_HPC264;
+ hpc3c1->pbus_piocfg[0][0] = 0x3;
+ /* interrupt/config register on Challenge S Mezz board */
+ hpc3c1->pbus_extregs[0][0] = 0x30;
+ ret2 = sgiseeq_init(hpc3c1, SGI_GIO_0_IRQ, 1);
+ }
+
+ return (ret1 & ret2) ? ret1 : 0;
}
static void __exit sgiseeq_exit(void)
-
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