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MIPS: BCM47xx: Read board info for all bcma buses

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Extra bcma buses may be totally different models, see following dump:
boardtype=0x0646
pci/1/1/boardtype=0x0545
pci/2/1/boardtype=0x62b
We need to detect them properly to allow drivers apply some board
specific hacks.

[ralf@linux-mips.org: folded in Rafal's fix.]

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: https://patchwork.linux-mips.org/patch/10028/
Patchwork: https://patchwork.linux-mips.org/patch/10048/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Rafał Miłecki 2015-05-12 13:05:18 +02:00 committed by Ralf Baechle
parent 6e122ac005
commit 2623899459
3 changed files with 22 additions and 29 deletions
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3
arch/mips/bcm47xx/setup.c
View File

@ -206,9 +206,6 @@ void __init bcm47xx_bus_setup(void)
err = bcma_host_soc_init(&bcm47xx_bus.bcma);
if (err)
panic("Failed to initialize BCMA bus (err %d)", err);
bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo,
NULL);
}
#endif

44
arch/mips/bcm47xx/sprom.c
View File

@ -640,19 +640,6 @@ void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo,
}
#endif
#ifdef CONFIG_BCM47XX_BCMA
void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
const char *prefix)
{
nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
true);
if (!boardinfo->vendor)
boardinfo->vendor = SSB_BOARDVENDOR_BCM;
nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
}
#endif
#if defined(CONFIG_BCM47XX_SSB)
static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
{
@ -707,33 +694,46 @@ static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size)
static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
{
char prefix[10];
struct bcma_boardinfo *binfo = &bus->boardinfo;
struct bcma_device *core;
char buf[10];
char *prefix;
bool fallback = false;
switch (bus->hosttype) {
case BCMA_HOSTTYPE_PCI:
memset(out, 0, sizeof(struct ssb_sprom));
snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
snprintf(buf, sizeof(buf), "pci/%u/%u/",
bus->host_pci->bus->number + 1,
PCI_SLOT(bus->host_pci->devfn));
bcm47xx_sprom_apply_prefix_alias(prefix, sizeof(prefix));
bcm47xx_fill_sprom(out, prefix, false);
return 0;
bcm47xx_sprom_apply_prefix_alias(buf, sizeof(buf));
prefix = buf;
break;
case BCMA_HOSTTYPE_SOC:
memset(out, 0, sizeof(struct ssb_sprom));
core = bcma_find_core(bus, BCMA_CORE_80211);
if (core) {
snprintf(prefix, sizeof(prefix), "sb/%u/",
snprintf(buf, sizeof(buf), "sb/%u/",
core->core_index);
bcm47xx_fill_sprom(out, prefix, true);
prefix = buf;
fallback = true;
} else {
bcm47xx_fill_sprom(out, NULL, false);
prefix = NULL;
}
return 0;
break;
default:
pr_warn("Unable to fill SPROM for given bustype.\n");
return -EINVAL;
}
nvram_read_u16(prefix, NULL, "boardvendor", &binfo->vendor, 0, true);
if (!binfo->vendor)
binfo->vendor = SSB_BOARDVENDOR_BCM;
nvram_read_u16(prefix, NULL, "boardtype", &binfo->type, 0, true);
bcm47xx_fill_sprom(out, prefix, fallback);
return 0;
}
#endif

4
arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
View File

@ -52,10 +52,6 @@ void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo,
const char *prefix);
#endif
#ifdef CONFIG_BCM47XX_BCMA
void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
const char *prefix);
#endif
void bcm47xx_set_system_type(u16 chip_id);