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[MIPS] Rework cobalt_board_id 

This patch has reworked cobalt_board_id.
The cobalt_board_id is read from PCI config register.
It should be in PCI routine.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Yoichi Yuasa 2007-05-11 21:43:09 +09:00 committed by Ralf Baechle
parent b0cc114c04
commit 3f2d560e90
2 changed files with 21 additions and 12 deletions
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12
arch/mips/cobalt/setup.c
View File

@ -10,7 +10,6 @@
*
*/
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/pm.h>
@ -26,8 +25,6 @@ extern void cobalt_machine_restart(char *command);
extern void cobalt_machine_halt(void);
extern void cobalt_machine_power_off(void);
int cobalt_board_id;
const char *get_system_type(void)
{
switch (cobalt_board_id) {
@ -92,7 +89,6 @@ static struct resource cobalt_reserved_resources[] = {
void __init plat_mem_setup(void)
{
unsigned int devfn = PCI_DEVFN(COBALT_PCICONF_VIA, 0);
int i;
_machine_restart = cobalt_machine_restart;
@ -107,14 +103,6 @@ void __init plat_mem_setup(void)
/* These resources have been reserved by VIA SuperI/O chip. */
for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++)
request_resource(&ioport_resource, cobalt_reserved_resources + i);
/* Read the cobalt id register out of the PCI config space */
PCI_CFG_SET(devfn, (VIA_COBALT_BRD_ID_REG & ~0x3));
cobalt_board_id = GT_READ(GT_PCI0_CFGDATA_OFS);
cobalt_board_id >>= ((VIA_COBALT_BRD_ID_REG & 3) * 8);
cobalt_board_id = VIA_COBALT_BRD_REG_to_ID(cobalt_board_id);
printk("Cobalt board ID: %d\n", cobalt_board_id);
}
/*

21
arch/mips/pci/fixup-cobalt.c
View File

@ -113,6 +113,27 @@ static void qube_raq_galileo_fixup(struct pci_dev *dev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_GT64111,
qube_raq_galileo_fixup);
int cobalt_board_id;
static void qube_raq_via_board_id_fixup(struct pci_dev *dev)
{
u8 id;
int retval;
retval = pci_read_config_byte(dev, VIA_COBALT_BRD_ID_REG, &id);
if (retval) {
panic("Cannot read board ID");
return;
}
cobalt_board_id = VIA_COBALT_BRD_REG_to_ID(id);
printk(KERN_INFO "Cobalt board ID: %d\n", cobalt_board_id);
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_0,
qube_raq_via_board_id_fixup);
static char irq_tab_qube1[] __initdata = {
[COBALT_PCICONF_CPU] = 0,
[COBALT_PCICONF_ETH0] = COBALT_QUBE1_ETH0_IRQ,