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132 lines
4.0 KiB
132 lines
4.0 KiB
From 12e1ab54dcd414c3579cfd26be9d9c9e1cab92ad Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Tue, 12 May 2015 13:05:18 +0200
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Subject: [PATCH] MIPS: BCM47xx: Read board info for all bcma buses
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Extra bcma buses may be totally different models, see following dump:
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boardtype=0x0646
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pci/1/1/boardtype=0x0545
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pci/2/1/boardtype=0x62b
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We need to detect them properly to allow drivers apply some board
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specific hacks.
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[ralf@linux-mips.org: folded in Rafal's fix.]
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Cc: linux-mips@linux-mips.org
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Cc: Hauke Mehrtens <hauke@hauke-m.de>
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Patchwork: https://patchwork.linux-mips.org/patch/10028/
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Patchwork: https://patchwork.linux-mips.org/patch/10048/
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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---
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arch/mips/bcm47xx/setup.c | 3 --
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arch/mips/bcm47xx/sprom.c | 44 ++++++++++++++--------------
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arch/mips/include/asm/mach-bcm47xx/bcm47xx.h | 4 ---
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3 files changed, 22 insertions(+), 29 deletions(-)
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--- a/arch/mips/bcm47xx/setup.c
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+++ b/arch/mips/bcm47xx/setup.c
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@@ -206,9 +206,6 @@ void __init bcm47xx_bus_setup(void)
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err = bcma_host_soc_init(&bcm47xx_bus.bcma);
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if (err)
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panic("Failed to initialize BCMA bus (err %d)", err);
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-
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- bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo,
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- NULL);
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}
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#endif
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--- a/arch/mips/bcm47xx/sprom.c
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+++ b/arch/mips/bcm47xx/sprom.c
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@@ -640,19 +640,6 @@ void bcm47xx_fill_ssb_boardinfo(struct s
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}
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#endif
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-#ifdef CONFIG_BCM47XX_BCMA
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-void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
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- const char *prefix)
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-{
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- nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
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- true);
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- if (!boardinfo->vendor)
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- boardinfo->vendor = SSB_BOARDVENDOR_BCM;
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-
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- nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
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-}
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-#endif
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-
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#if defined(CONFIG_BCM47XX_SSB)
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static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
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{
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@@ -707,33 +694,46 @@ static void bcm47xx_sprom_apply_prefix_a
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static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
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{
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- char prefix[10];
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+ struct bcma_boardinfo *binfo = &bus->boardinfo;
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struct bcma_device *core;
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+ char buf[10];
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+ char *prefix;
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+ bool fallback = false;
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switch (bus->hosttype) {
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case BCMA_HOSTTYPE_PCI:
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memset(out, 0, sizeof(struct ssb_sprom));
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- snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
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+ snprintf(buf, sizeof(buf), "pci/%u/%u/",
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bus->host_pci->bus->number + 1,
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PCI_SLOT(bus->host_pci->devfn));
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- bcm47xx_sprom_apply_prefix_alias(prefix, sizeof(prefix));
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- bcm47xx_fill_sprom(out, prefix, false);
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- return 0;
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+ bcm47xx_sprom_apply_prefix_alias(buf, sizeof(buf));
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+ prefix = buf;
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+ break;
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case BCMA_HOSTTYPE_SOC:
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memset(out, 0, sizeof(struct ssb_sprom));
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core = bcma_find_core(bus, BCMA_CORE_80211);
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if (core) {
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- snprintf(prefix, sizeof(prefix), "sb/%u/",
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+ snprintf(buf, sizeof(buf), "sb/%u/",
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core->core_index);
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- bcm47xx_fill_sprom(out, prefix, true);
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+ prefix = buf;
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+ fallback = true;
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} else {
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- bcm47xx_fill_sprom(out, NULL, false);
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+ prefix = NULL;
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}
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- return 0;
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+ break;
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default:
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pr_warn("Unable to fill SPROM for given bustype.\n");
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return -EINVAL;
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}
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+
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+ nvram_read_u16(prefix, NULL, "boardvendor", &binfo->vendor, 0, true);
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+ if (!binfo->vendor)
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+ binfo->vendor = SSB_BOARDVENDOR_BCM;
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+ nvram_read_u16(prefix, NULL, "boardtype", &binfo->type, 0, true);
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+
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+ bcm47xx_fill_sprom(out, prefix, fallback);
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+
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+ return 0;
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}
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#endif
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--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
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+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
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@@ -52,10 +52,6 @@ void bcm47xx_fill_sprom(struct ssb_sprom
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void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo,
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const char *prefix);
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#endif
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-#ifdef CONFIG_BCM47XX_BCMA
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-void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
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- const char *prefix);
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-#endif
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void bcm47xx_set_system_type(u16 chip_id);
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