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From 12e1ab54dcd414c3579cfd26be9d9c9e1cab92ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 12 May 2015 13:05:18 +0200
Subject: [PATCH] MIPS: BCM47xx: Read board info for all bcma buses
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
arch/mips/bcm47xx/setup.c | 3 --
arch/mips/bcm47xx/sprom.c | 44 ++++++++++++++--------------
arch/mips/include/asm/mach-bcm47xx/bcm47xx.h | 4 ---
3 files changed, 22 insertions(+), 29 deletions(-)
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -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
--- a/arch/mips/bcm47xx/sprom.c
+++ b/arch/mips/bcm47xx/sprom.c
@@ -640,19 +640,6 @@ void bcm47xx_fill_ssb_boardinfo(struct s
}
#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_a
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
--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
@@ -52,10 +52,6 @@ void bcm47xx_fill_sprom(struct ssb_sprom
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);
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