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Add support for Seeq 8003 on Challenge S Mezz board. 

Thanks to Jö Fahlke for donating hardware.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>

Forward porting of Ladis' 2.4 patch.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Ladislav Michl 2007-02-28 01:18:35 +00:00 committed by Jeff Garzik
parent 18604c5485
commit 78ee5b3cc8
1 changed files with 25 additions and 3 deletions
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28
drivers/net/sgiseeq.c
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@ -624,7 +624,7 @@ 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;
@ -650,7 +650,9 @@ 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;
@ -678,6 +680,11 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq)
setup_rx_ring(sp->rx_desc, SEEQ_RX_BUFFERS);
setup_tx_ring(sp->tx_desc, SEEQ_TX_BUFFERS);
/* 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;
/* Setup PIO and DMA transfer timing */
sp->hregs->pconfig = 0x161;
sp->hregs->dconfig = HPC3_EDCFG_FIRQ | HPC3_EDCFG_FEOP |
@ -729,8 +736,23 @@ 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] = 0x3ffff;
/* 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)