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216 lines
6.7 KiB
216 lines
6.7 KiB
From a59da8fb3b2a1f2df5f871464e43cd5b6ca6ceb1 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, 28 Oct 2014 12:52:02 +0100
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Subject: [PATCH 157/158] MIPS: BCM47XX: Move SPROM fallback code into sprom.c
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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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This is some general cleanup as well as preparing sprom.c to become a
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standalone driver. We will need this for bcm53xx ARM arch support.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
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Cc: linux-mips@linux-mips.org
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Patchwork: https://patchwork.linux-mips.org/patch/8232/
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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---
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arch/mips/bcm47xx/bcm47xx_private.h | 3 ++
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arch/mips/bcm47xx/setup.c | 58 ++-----------------------------
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arch/mips/bcm47xx/sprom.c | 68 +++++++++++++++++++++++++++++++++++++
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3 files changed, 73 insertions(+), 56 deletions(-)
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diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h
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index f1cc9d0..12a112d 100644
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--- a/arch/mips/bcm47xx/bcm47xx_private.h
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+++ b/arch/mips/bcm47xx/bcm47xx_private.h
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@@ -6,6 +6,9 @@
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/* prom.c */
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void __init bcm47xx_prom_highmem_init(void);
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+/* sprom.c */
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+void bcm47xx_sprom_register_fallbacks(void);
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+
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/* buttons.c */
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int __init bcm47xx_buttons_register(void);
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diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
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index c00585d..444c65a 100644
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--- a/arch/mips/bcm47xx/setup.c
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+++ b/arch/mips/bcm47xx/setup.c
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@@ -102,23 +102,6 @@ static void bcm47xx_machine_halt(void)
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}
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#ifdef 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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- char prefix[10];
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-
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- if (bus->bustype == SSB_BUSTYPE_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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- bus->host_pci->bus->number + 1,
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- PCI_SLOT(bus->host_pci->devfn));
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- bcm47xx_fill_sprom(out, prefix, false);
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- return 0;
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- } else {
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- printk(KERN_WARNING "bcm47xx: 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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-
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static int bcm47xx_get_invariants(struct ssb_bus *bus,
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struct ssb_init_invariants *iv)
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{
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@@ -144,11 +127,6 @@ static void __init bcm47xx_register_ssb(void)
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char buf[100];
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struct ssb_mipscore *mcore;
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- err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb);
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- if (err)
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- printk(KERN_WARNING "bcm47xx: someone else already registered"
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- " a ssb SPROM callback handler (err %d)\n", err);
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-
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err = ssb_bus_ssbbus_register(&(bcm47xx_bus.ssb), SSB_ENUM_BASE,
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bcm47xx_get_invariants);
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if (err)
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@@ -171,44 +149,10 @@ static void __init bcm47xx_register_ssb(void)
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#endif
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#ifdef CONFIG_BCM47XX_BCMA
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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_device *core;
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-
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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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- bus->host_pci->bus->number + 1,
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- PCI_SLOT(bus->host_pci->devfn));
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- bcm47xx_fill_sprom(out, prefix, false);
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- return 0;
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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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- core->core_index);
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- bcm47xx_fill_sprom(out, prefix, true);
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- } else {
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- bcm47xx_fill_sprom(out, NULL, false);
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- }
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- return 0;
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- default:
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- pr_warn("bcm47xx: 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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-
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static void __init bcm47xx_register_bcma(void)
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{
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int err;
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- err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma);
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- if (err)
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- pr_warn("bcm47xx: someone else already registered a bcma SPROM callback handler (err %d)\n", err);
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-
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err = bcma_host_soc_register(&bcm47xx_bus.bcma);
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if (err)
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panic("Failed to register BCMA bus (err %d)", err);
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@@ -229,6 +173,7 @@ void __init plat_mem_setup(void)
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printk(KERN_INFO "bcm47xx: using bcma bus\n");
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#ifdef CONFIG_BCM47XX_BCMA
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bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA;
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+ bcm47xx_sprom_register_fallbacks();
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bcm47xx_register_bcma();
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bcm47xx_set_system_type(bcm47xx_bus.bcma.bus.chipinfo.id);
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#ifdef CONFIG_HIGHMEM
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@@ -239,6 +184,7 @@ void __init plat_mem_setup(void)
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printk(KERN_INFO "bcm47xx: using ssb bus\n");
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#ifdef CONFIG_BCM47XX_SSB
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bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB;
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+ bcm47xx_sprom_register_fallbacks();
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bcm47xx_register_ssb();
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bcm47xx_set_system_type(bcm47xx_bus.ssb.chip_id);
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#endif
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diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
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index 41226b6..e772e77 100644
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--- a/arch/mips/bcm47xx/sprom.c
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+++ b/arch/mips/bcm47xx/sprom.c
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@@ -801,3 +801,71 @@ void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
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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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+ char prefix[10];
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+
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+ if (bus->bustype == SSB_BUSTYPE_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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+ bus->host_pci->bus->number + 1,
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+ PCI_SLOT(bus->host_pci->devfn));
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+ bcm47xx_fill_sprom(out, prefix, false);
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+ return 0;
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+ } else {
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+ pr_warn("bcm47xx: 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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+#endif
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+
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+#if defined(CONFIG_BCM47XX_BCMA)
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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_device *core;
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+
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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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+ bus->host_pci->bus->number + 1,
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+ PCI_SLOT(bus->host_pci->devfn));
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+ bcm47xx_fill_sprom(out, prefix, false);
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+ return 0;
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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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+ core->core_index);
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+ bcm47xx_fill_sprom(out, prefix, true);
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+ } else {
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+ bcm47xx_fill_sprom(out, NULL, false);
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+ }
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+ return 0;
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+ default:
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+ pr_warn("bcm47xx: 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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+#endif
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+
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+/*
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+ * On bcm47xx we need to register SPROM fallback handler very early, so we can't
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+ * use anything like platform device / driver for this.
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+ */
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+void bcm47xx_sprom_register_fallbacks(void)
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+{
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+#if defined(CONFIG_BCM47XX_SSB)
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+ if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb))
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+ pr_warn("Failed to registered ssb SPROM handler\n");
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+#endif
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+
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+#if defined(CONFIG_BCM47XX_BCMA)
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+ if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma))
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+ pr_warn("Failed to registered bcma SPROM handler\n");
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+#endif
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+}
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--
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1.8.4.5
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