--- /dev/null
+From 8d602dd0f984e8488ab891344ebdb6e1f3128c4a Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Wed, 3 Sep 2014 22:51:06 +0200
+Subject: [PATCH 154/158] MIPS: BCM47XX: Get rid of calls to KSEG1ADDR
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+We should be using ioremap_nocache helper which handles remaps in a
+smarter way.
+
+Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
+Cc: linux-mips@linux-mips.org
+Cc: Hauke Mehrtens <hauke@hauke-m.de>
+Patchwork: http://patchwork.linux-mips.org/patch/7611/
+Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
+---
+ arch/mips/bcm47xx/nvram.c | 44 ++++++++++++++++++++++++++++++++------------
+ 1 file changed, 32 insertions(+), 12 deletions(-)
+
+diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
+index 2bed73a..e07976b 100644
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -23,13 +23,13 @@
+ static char nvram_buf[NVRAM_SPACE];
+ static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
+
+-static u32 find_nvram_size(u32 end)
++static u32 find_nvram_size(void __iomem *end)
+ {
+- struct nvram_header *header;
++ struct nvram_header __iomem *header;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
+- header = (struct nvram_header *)KSEG1ADDR(end - nvram_sizes[i]);
++ header = (struct nvram_header *)(end - nvram_sizes[i]);
+ if (header->magic == NVRAM_HEADER)
+ return nvram_sizes[i];
+ }
+@@ -38,35 +38,39 @@ static u32 find_nvram_size(u32 end)
+ }
+
+ /* Probe for NVRAM header */
+-static int nvram_find_and_copy(u32 base, u32 lim)
++static int nvram_find_and_copy(void __iomem *iobase, u32 lim)
+ {
+- struct nvram_header *header;
++ struct nvram_header __iomem *header;
+ int i;
+ u32 off;
+ u32 *src, *dst;
+ u32 size;
+
++ if (nvram_buf[0]) {
++ pr_warn("nvram already initialized\n");
++ return -EEXIST;
++ }
++
+ /* TODO: when nvram is on nand flash check for bad blocks first. */
+ off = FLASH_MIN;
+ while (off <= lim) {
+ /* Windowed flash access */
+- size = find_nvram_size(base + off);
++ size = find_nvram_size(iobase + off);
+ if (size) {
+- header = (struct nvram_header *)KSEG1ADDR(base + off -
+- size);
++ header = (struct nvram_header *)(iobase + off - size);
+ goto found;
+ }
+ off <<= 1;
+ }
+
+ /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
+- header = (struct nvram_header *) KSEG1ADDR(base + 4096);
++ header = (struct nvram_header *)(iobase + 4096);
+ if (header->magic == NVRAM_HEADER) {
+ size = NVRAM_SPACE;
+ goto found;
+ }
+
+- header = (struct nvram_header *) KSEG1ADDR(base + 1024);
++ header = (struct nvram_header *)(iobase + 1024);
+ if (header->magic == NVRAM_HEADER) {
+ size = NVRAM_SPACE;
+ goto found;
+@@ -94,6 +98,22 @@ found:
+ return 0;
+ }
+
++static int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
++{
++ void __iomem *iobase;
++ int err;
++
++ iobase = ioremap_nocache(base, lim);
++ if (!iobase)
++ return -ENOMEM;
++
++ err = nvram_find_and_copy(iobase, lim);
++
++ iounmap(iobase);
++
++ return err;
++}
++
+ #ifdef CONFIG_BCM47XX_SSB
+ static int nvram_init_ssb(void)
+ {
+@@ -109,7 +129,7 @@ static int nvram_init_ssb(void)
+ return -ENXIO;
+ }
+
+- return nvram_find_and_copy(base, lim);
++ return bcm47xx_nvram_init_from_mem(base, lim);
+ }
+ #endif
+
+@@ -139,7 +159,7 @@ static int nvram_init_bcma(void)
+ return -ENXIO;
+ }
+
+- return nvram_find_and_copy(base, lim);
++ return bcm47xx_nvram_init_from_mem(base, lim);
+ }
+ #endif
+
+--
+1.8.4.5
+
--- /dev/null
+From 21400f252a97755579b43a4dc95dd02cd7f0ca75 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Wed, 3 Sep 2014 22:59:45 +0200
+Subject: [PATCH 155/158] MIPS: BCM47XX: Make ssb init NVRAM instead of bcm47xx
+ polling it
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This makes NVRAM code less bcm47xx/ssb specific allowing it to become a
+standalone driver in the future. A similar patch for bcma will follow
+when it's ready.
+
+Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
+Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
+Cc: linux-mips@linux-mips.org
+Patchwork: https://patchwork.linux-mips.org/patch/7612/
+Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
+---
+ arch/mips/bcm47xx/nvram.c | 30 +++++++---------------
+ arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h | 1 +
+ drivers/ssb/driver_mipscore.c | 14 +++++++++-
+ 3 files changed, 23 insertions(+), 22 deletions(-)
+
+diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
+index e07976b..fecc5ae 100644
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -98,7 +98,14 @@ found:
+ return 0;
+ }
+
+-static int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
++/*
++ * On bcm47xx we need access to the NVRAM very early, so we can't use mtd
++ * subsystem to access flash. We can't even use platform device / driver to
++ * store memory offset.
++ * To handle this we provide following symbol. It's supposed to be called as
++ * soon as we get info about flash device, before any NVRAM entry is needed.
++ */
++int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
+ {
+ void __iomem *iobase;
+ int err;
+@@ -114,25 +121,6 @@ static int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
+ return err;
+ }
+
+-#ifdef CONFIG_BCM47XX_SSB
+-static int nvram_init_ssb(void)
+-{
+- struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
+- u32 base;
+- u32 lim;
+-
+- if (mcore->pflash.present) {
+- base = mcore->pflash.window;
+- lim = mcore->pflash.window_size;
+- } else {
+- pr_err("Couldn't find supported flash memory\n");
+- return -ENXIO;
+- }
+-
+- return bcm47xx_nvram_init_from_mem(base, lim);
+-}
+-#endif
+-
+ #ifdef CONFIG_BCM47XX_BCMA
+ static int nvram_init_bcma(void)
+ {
+@@ -168,7 +156,7 @@ static int nvram_init(void)
+ switch (bcm47xx_bus_type) {
+ #ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+- return nvram_init_ssb();
++ break;
+ #endif
+ #ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
+index 36a3fc1..676be22 100644
+--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
++++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
+@@ -32,6 +32,7 @@ struct nvram_header {
+ #define NVRAM_MAX_VALUE_LEN 255
+ #define NVRAM_MAX_PARAM_LEN 64
+
++int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
+ extern int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len);
+
+ static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
+diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c
+index 0907706..7b986f9 100644
+--- a/drivers/ssb/driver_mipscore.c
++++ b/drivers/ssb/driver_mipscore.c
+@@ -15,6 +15,9 @@
+ #include <linux/serial_core.h>
+ #include <linux/serial_reg.h>
+ #include <linux/time.h>
++#ifdef CONFIG_BCM47XX
++#include <bcm47xx_nvram.h>
++#endif
+
+ #include "ssb_private.h"
+
+@@ -210,6 +213,7 @@ static void ssb_mips_serial_init(struct ssb_mipscore *mcore)
+ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
+ {
+ struct ssb_bus *bus = mcore->dev->bus;
++ struct ssb_sflash *sflash = &mcore->sflash;
+ struct ssb_pflash *pflash = &mcore->pflash;
+
+ /* When there is no chipcommon on the bus there is 4MB flash */
+@@ -242,7 +246,15 @@ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
+ }
+
+ ssb_pflash:
+- if (pflash->present) {
++ if (sflash->present) {
++#ifdef CONFIG_BCM47XX
++ bcm47xx_nvram_init_from_mem(sflash->window, sflash->size);
++#endif
++ } else if (pflash->present) {
++#ifdef CONFIG_BCM47XX
++ bcm47xx_nvram_init_from_mem(pflash->window, pflash->window_size);
++#endif
++
+ ssb_pflash_data.width = pflash->buswidth;
+ ssb_pflash_resource.start = pflash->window;
+ ssb_pflash_resource.end = pflash->window + pflash->window_size;
+--
+1.8.4.5
+
--- /dev/null
+From 7177efc5b030012c54c2e217c9d6decc0bcc1c53 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Tue, 28 Oct 2014 13:30:23 +0100
+Subject: [PATCH 156/158] MIPS: BCM47XX: Make bcma init NVRAM instead of
+ bcm47xx polling it
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This drops ssb/bcma dependency and will allow us to make it a standalone
+driver.
+
+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/8233/
+Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
+---
+ arch/mips/bcm47xx/nvram.c | 42 ++----------------------------------------
+ drivers/bcma/driver_mips.c | 13 +++++++++++--
+ 2 files changed, 13 insertions(+), 42 deletions(-)
+
+diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
+index fecc5ae..21712fb 100644
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -121,48 +121,10 @@ int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
+ return err;
+ }
+
+-#ifdef CONFIG_BCM47XX_BCMA
+-static int nvram_init_bcma(void)
+-{
+- struct bcma_drv_cc *cc = &bcm47xx_bus.bcma.bus.drv_cc;
+- u32 base;
+- u32 lim;
+-
+-#ifdef CONFIG_BCMA_NFLASH
+- if (cc->nflash.boot) {
+- base = BCMA_SOC_FLASH1;
+- lim = BCMA_SOC_FLASH1_SZ;
+- } else
+-#endif
+- if (cc->pflash.present) {
+- base = cc->pflash.window;
+- lim = cc->pflash.window_size;
+-#ifdef CONFIG_BCMA_SFLASH
+- } else if (cc->sflash.present) {
+- base = cc->sflash.window;
+- lim = cc->sflash.size;
+-#endif
+- } else {
+- pr_err("Couldn't find supported flash memory\n");
+- return -ENXIO;
+- }
+-
+- return bcm47xx_nvram_init_from_mem(base, lim);
+-}
+-#endif
+-
+ static int nvram_init(void)
+ {
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- break;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- return nvram_init_bcma();
+-#endif
+- }
++ /* TODO: Look for MTD "nvram" partition */
++
+ return -ENXIO;
+ }
+
+diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
+index 004d6aa..8a653dc 100644
+--- a/drivers/bcma/driver_mips.c
++++ b/drivers/bcma/driver_mips.c
+@@ -20,6 +20,9 @@
+ #include <linux/serial_core.h>
+ #include <linux/serial_reg.h>
+ #include <linux/time.h>
++#ifdef CONFIG_BCM47XX
++#include <bcm47xx_nvram.h>
++#endif
+
+ enum bcma_boot_dev {
+ BCMA_BOOT_DEV_UNK = 0,
+@@ -316,10 +319,16 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
+ switch (boot_dev) {
+ case BCMA_BOOT_DEV_PARALLEL:
+ case BCMA_BOOT_DEV_SERIAL:
+- /* TODO: Init NVRAM using BCMA_SOC_FLASH2 window */
++#ifdef CONFIG_BCM47XX
++ bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH2,
++ BCMA_SOC_FLASH2_SZ);
++#endif
+ break;
+ case BCMA_BOOT_DEV_NAND:
+- /* TODO: Init NVRAM using BCMA_SOC_FLASH1 window */
++#ifdef CONFIG_BCM47XX
++ bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH1,
++ BCMA_SOC_FLASH1_SZ);
++#endif
+ break;
+ default:
+ break;
+--
+1.8.4.5
+
--- /dev/null
+From a59da8fb3b2a1f2df5f871464e43cd5b6ca6ceb1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Tue, 28 Oct 2014 12:52:02 +0100
+Subject: [PATCH 157/158] MIPS: BCM47XX: Move SPROM fallback code into sprom.c
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This is some general cleanup as well as preparing sprom.c to become a
+standalone driver. We will need this for bcm53xx ARM arch support.
+
+Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
+Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
+Cc: linux-mips@linux-mips.org
+Patchwork: https://patchwork.linux-mips.org/patch/8232/
+Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
+---
+ arch/mips/bcm47xx/bcm47xx_private.h | 3 ++
+ arch/mips/bcm47xx/setup.c | 58 ++-----------------------------
+ arch/mips/bcm47xx/sprom.c | 68 +++++++++++++++++++++++++++++++++++++
+ 3 files changed, 73 insertions(+), 56 deletions(-)
+
+diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h
+index f1cc9d0..12a112d 100644
+--- a/arch/mips/bcm47xx/bcm47xx_private.h
++++ b/arch/mips/bcm47xx/bcm47xx_private.h
+@@ -6,6 +6,9 @@
+ /* prom.c */
+ void __init bcm47xx_prom_highmem_init(void);
+
++/* sprom.c */
++void bcm47xx_sprom_register_fallbacks(void);
++
+ /* buttons.c */
+ int __init bcm47xx_buttons_register(void);
+
+diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
+index c00585d..444c65a 100644
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -102,23 +102,6 @@ static void bcm47xx_machine_halt(void)
+ }
+
+ #ifdef CONFIG_BCM47XX_SSB
+-static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
+-{
+- char prefix[10];
+-
+- if (bus->bustype == SSB_BUSTYPE_PCI) {
+- memset(out, 0, sizeof(struct ssb_sprom));
+- snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
+- bus->host_pci->bus->number + 1,
+- PCI_SLOT(bus->host_pci->devfn));
+- bcm47xx_fill_sprom(out, prefix, false);
+- return 0;
+- } else {
+- printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
+- return -EINVAL;
+- }
+-}
+-
+ static int bcm47xx_get_invariants(struct ssb_bus *bus,
+ struct ssb_init_invariants *iv)
+ {
+@@ -144,11 +127,6 @@ static void __init bcm47xx_register_ssb(void)
+ char buf[100];
+ struct ssb_mipscore *mcore;
+
+- err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb);
+- if (err)
+- printk(KERN_WARNING "bcm47xx: someone else already registered"
+- " a ssb SPROM callback handler (err %d)\n", err);
+-
+ err = ssb_bus_ssbbus_register(&(bcm47xx_bus.ssb), SSB_ENUM_BASE,
+ bcm47xx_get_invariants);
+ if (err)
+@@ -171,44 +149,10 @@ static void __init bcm47xx_register_ssb(void)
+ #endif
+
+ #ifdef CONFIG_BCM47XX_BCMA
+-static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
+-{
+- char prefix[10];
+- struct bcma_device *core;
+-
+- switch (bus->hosttype) {
+- case BCMA_HOSTTYPE_PCI:
+- memset(out, 0, sizeof(struct ssb_sprom));
+- snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
+- bus->host_pci->bus->number + 1,
+- PCI_SLOT(bus->host_pci->devfn));
+- bcm47xx_fill_sprom(out, prefix, false);
+- return 0;
+- 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/",
+- core->core_index);
+- bcm47xx_fill_sprom(out, prefix, true);
+- } else {
+- bcm47xx_fill_sprom(out, NULL, false);
+- }
+- return 0;
+- default:
+- pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
+- return -EINVAL;
+- }
+-}
+-
+ static void __init bcm47xx_register_bcma(void)
+ {
+ int err;
+
+- err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma);
+- if (err)
+- pr_warn("bcm47xx: someone else already registered a bcma SPROM callback handler (err %d)\n", err);
+-
+ err = bcma_host_soc_register(&bcm47xx_bus.bcma);
+ if (err)
+ panic("Failed to register BCMA bus (err %d)", err);
+@@ -229,6 +173,7 @@ void __init plat_mem_setup(void)
+ printk(KERN_INFO "bcm47xx: using bcma bus\n");
+ #ifdef CONFIG_BCM47XX_BCMA
+ bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA;
++ bcm47xx_sprom_register_fallbacks();
+ bcm47xx_register_bcma();
+ bcm47xx_set_system_type(bcm47xx_bus.bcma.bus.chipinfo.id);
+ #ifdef CONFIG_HIGHMEM
+@@ -239,6 +184,7 @@ void __init plat_mem_setup(void)
+ printk(KERN_INFO "bcm47xx: using ssb bus\n");
+ #ifdef CONFIG_BCM47XX_SSB
+ bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB;
++ bcm47xx_sprom_register_fallbacks();
+ bcm47xx_register_ssb();
+ bcm47xx_set_system_type(bcm47xx_bus.ssb.chip_id);
+ #endif
+diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
+index 41226b6..e772e77 100644
+--- a/arch/mips/bcm47xx/sprom.c
++++ b/arch/mips/bcm47xx/sprom.c
+@@ -801,3 +801,71 @@ void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
+ 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)
++{
++ char prefix[10];
++
++ if (bus->bustype == SSB_BUSTYPE_PCI) {
++ memset(out, 0, sizeof(struct ssb_sprom));
++ snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
++ bus->host_pci->bus->number + 1,
++ PCI_SLOT(bus->host_pci->devfn));
++ bcm47xx_fill_sprom(out, prefix, false);
++ return 0;
++ } else {
++ pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
++ return -EINVAL;
++ }
++}
++#endif
++
++#if defined(CONFIG_BCM47XX_BCMA)
++static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
++{
++ char prefix[10];
++ struct bcma_device *core;
++
++ switch (bus->hosttype) {
++ case BCMA_HOSTTYPE_PCI:
++ memset(out, 0, sizeof(struct ssb_sprom));
++ snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
++ bus->host_pci->bus->number + 1,
++ PCI_SLOT(bus->host_pci->devfn));
++ bcm47xx_fill_sprom(out, prefix, false);
++ return 0;
++ 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/",
++ core->core_index);
++ bcm47xx_fill_sprom(out, prefix, true);
++ } else {
++ bcm47xx_fill_sprom(out, NULL, false);
++ }
++ return 0;
++ default:
++ pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
++ return -EINVAL;
++ }
++}
++#endif
++
++/*
++ * On bcm47xx we need to register SPROM fallback handler very early, so we can't
++ * use anything like platform device / driver for this.
++ */
++void bcm47xx_sprom_register_fallbacks(void)
++{
++#if defined(CONFIG_BCM47XX_SSB)
++ if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb))
++ pr_warn("Failed to registered ssb SPROM handler\n");
++#endif
++
++#if defined(CONFIG_BCM47XX_BCMA)
++ if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma))
++ pr_warn("Failed to registered bcma SPROM handler\n");
++#endif
++}
+--
+1.8.4.5
+
--- /dev/null
+From e5810fa0c1bed16fdfb408862a2e17e962ec5cf6 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Tue, 28 Oct 2014 14:40:38 +0100
+Subject: [PATCH 158/158] MIPS: BCM47XX: Initialize bcma bus later (with mm
+ available)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Initializaion with memory allocator available will be much simpler, this
+will allow cleanup in the bcma code.
+
+Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
+Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
+Cc: linux-mips@linux-mips.org
+Patchwork: https://patchwork.linux-mips.org/patch/8234/
+Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
+---
+ arch/mips/bcm47xx/bcm47xx_private.h | 3 +++
+ arch/mips/bcm47xx/irq.c | 8 ++++++++
+ arch/mips/bcm47xx/setup.c | 33 +++++++++++++++++++++++++++------
+ 3 files changed, 38 insertions(+), 6 deletions(-)
+
+diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h
+index 12a112d..ea909a5 100644
+--- a/arch/mips/bcm47xx/bcm47xx_private.h
++++ b/arch/mips/bcm47xx/bcm47xx_private.h
+@@ -15,6 +15,9 @@ int __init bcm47xx_buttons_register(void);
+ /* leds.c */
+ void __init bcm47xx_leds_register(void);
+
++/* setup.c */
++void __init bcm47xx_bus_setup(void);
++
+ /* workarounds.c */
+ void __init bcm47xx_workarounds(void);
+
+diff --git a/arch/mips/bcm47xx/irq.c b/arch/mips/bcm47xx/irq.c
+index e0585b7..21b4497 100644
+--- a/arch/mips/bcm47xx/irq.c
++++ b/arch/mips/bcm47xx/irq.c
+@@ -22,6 +22,8 @@
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
++#include "bcm47xx_private.h"
++
+ #include <linux/types.h>
+ #include <linux/interrupt.h>
+ #include <linux/irq.h>
+@@ -65,6 +67,12 @@ DEFINE_HWx_IRQDISPATCH(7)
+
+ void __init arch_init_irq(void)
+ {
++ /*
++ * This is the first arch callback after mm_init (we can use kmalloc),
++ * so let's finish bus initialization now.
++ */
++ bcm47xx_bus_setup();
++
+ #ifdef CONFIG_BCM47XX_BCMA
+ if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA) {
+ bcma_write32(bcm47xx_bus.bcma.bus.drv_mips.core,
+diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
+index 444c65a..e43b504 100644
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -156,15 +156,14 @@ static void __init bcm47xx_register_bcma(void)
+ err = bcma_host_soc_register(&bcm47xx_bus.bcma);
+ if (err)
+ panic("Failed to register BCMA bus (err %d)", err);
+-
+- 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
+
++/*
++ * Memory setup is done in the early part of MIPS's arch_mem_init. It's supposed
++ * to detect memory and record it with add_memory_region.
++ * Any extra initializaion performed here must not use kmalloc or bootmem.
++ */
+ void __init plat_mem_setup(void)
+ {
+ struct cpuinfo_mips *c = ¤t_cpu_data;
+@@ -193,6 +192,28 @@ void __init plat_mem_setup(void)
+ _machine_restart = bcm47xx_machine_restart;
+ _machine_halt = bcm47xx_machine_halt;
+ pm_power_off = bcm47xx_machine_halt;
++}
++
++/*
++ * This finishes bus initialization doing things that were not possible without
++ * kmalloc. Make sure to call it late enough (after mm_init).
++ */
++void __init bcm47xx_bus_setup(void)
++{
++#ifdef CONFIG_BCM47XX_BCMA
++ if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA) {
++ int err;
++
++ 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
++
++ /* With bus initialized we can access NVRAM and detect the board */
+ bcm47xx_board_detect();
+ mips_set_machine_name(bcm47xx_board_get_name());
+ }
+--
+1.8.4.5
+
--- /dev/null
+From 9d1d08646af4491aec41d40341930b9bfd62ffa9 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Wed, 29 Oct 2014 10:05:06 +0100
+Subject: [PATCH] MIPS: BCM47XX: Use mtd as an alternative way/API to get NVRAM
+ content
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+NVRAM can be read using magic memory offset, but after all it's just a
+flash partition. On platforms where NVRAM isn't needed early we can get
+it using mtd subsystem.
+
+Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
+Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
+Cc: linux-mips@linux-mips.org
+Patchwork: https://patchwork.linux-mips.org/patch/8266/
+Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
+---
+ arch/mips/bcm47xx/nvram.c | 42 ++++++++++++++++++++++++++++++++++++++----
+ 1 file changed, 38 insertions(+), 4 deletions(-)
+
+diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
+index 21712fb..8b64991 100644
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -13,12 +13,10 @@
+
+ #include <linux/types.h>
+ #include <linux/module.h>
+-#include <linux/ssb/ssb.h>
+ #include <linux/kernel.h>
+ #include <linux/string.h>
+-#include <asm/addrspace.h>
++#include <linux/mtd/mtd.h>
+ #include <bcm47xx_nvram.h>
+-#include <asm/mach-bcm47xx/bcm47xx.h>
+
+ static char nvram_buf[NVRAM_SPACE];
+ static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
+@@ -123,7 +121,43 @@ int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
+
+ static int nvram_init(void)
+ {
+- /* TODO: Look for MTD "nvram" partition */
++#ifdef CONFIG_MTD
++ struct mtd_info *mtd;
++ struct nvram_header header;
++ size_t bytes_read;
++ int err, i;
++
++ mtd = get_mtd_device_nm("nvram");
++ if (IS_ERR(mtd))
++ return -ENODEV;
++
++ for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
++ loff_t from = mtd->size - nvram_sizes[i];
++
++ if (from < 0)
++ continue;
++
++ err = mtd_read(mtd, from, sizeof(header), &bytes_read,
++ (uint8_t *)&header);
++ if (!err && header.magic == NVRAM_HEADER) {
++ u8 *dst = (uint8_t *)nvram_buf;
++ size_t len = header.len;
++
++ if (header.len > NVRAM_SPACE) {
++ pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
++ header.len, NVRAM_SPACE);
++ len = NVRAM_SPACE;
++ }
++
++ err = mtd_read(mtd, from, len, &bytes_read, dst);
++ if (err)
++ return err;
++ memset(dst + bytes_read, 0x0, NVRAM_SPACE - bytes_read);
++
++ return 0;
++ }
++ }
++#endif
+
+ return -ENXIO;
+ }
+--
+1.8.4.5
+
--- /dev/null
+From 341097f17c76b3dd39539526a2af9e7fff43705e Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Thu, 30 Oct 2014 12:50:03 +0100
+Subject: [PATCH] MIPS: BCM47XX: Clean up nvram header
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+1) Move private defines to the .c file
+2) Move SPROM helper to the sprom.c
+3) Drop unused code
+4) Rename magic to the NVRAM_MAGIC
+5) Add const to the char pointer we never modify
+
+Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
+Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
+Cc: linux-mips@linux-mips.org
+Patchwork: https://patchwork.linux-mips.org/patch/8289/
+Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
+---
+ arch/mips/bcm47xx/nvram.c | 23 ++++++++++----
+ arch/mips/bcm47xx/sprom.c | 14 +++++++++
+ arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h | 35 +---------------------
+ 3 files changed, 33 insertions(+), 39 deletions(-)
+
+diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
+index 8b64991..c5c381c 100644
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -18,6 +18,19 @@
+ #include <linux/mtd/mtd.h>
+ #include <bcm47xx_nvram.h>
+
++#define NVRAM_MAGIC 0x48534C46 /* 'FLSH' */
++#define NVRAM_SPACE 0x8000
++
++#define FLASH_MIN 0x00020000 /* Minimum flash size */
++
++struct nvram_header {
++ u32 magic;
++ u32 len;
++ u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
++ u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
++ u32 config_ncdl; /* ncdl values for memc */
++};
++
+ static char nvram_buf[NVRAM_SPACE];
+ static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
+
+@@ -28,7 +41,7 @@ static u32 find_nvram_size(void __iomem *end)
+
+ for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
+ header = (struct nvram_header *)(end - nvram_sizes[i]);
+- if (header->magic == NVRAM_HEADER)
++ if (header->magic == NVRAM_MAGIC)
+ return nvram_sizes[i];
+ }
+
+@@ -63,13 +76,13 @@ static int nvram_find_and_copy(void __iomem *iobase, u32 lim)
+
+ /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
+ header = (struct nvram_header *)(iobase + 4096);
+- if (header->magic == NVRAM_HEADER) {
++ if (header->magic == NVRAM_MAGIC) {
+ size = NVRAM_SPACE;
+ goto found;
+ }
+
+ header = (struct nvram_header *)(iobase + 1024);
+- if (header->magic == NVRAM_HEADER) {
++ if (header->magic == NVRAM_MAGIC) {
+ size = NVRAM_SPACE;
+ goto found;
+ }
+@@ -139,7 +152,7 @@ static int nvram_init(void)
+
+ err = mtd_read(mtd, from, sizeof(header), &bytes_read,
+ (uint8_t *)&header);
+- if (!err && header.magic == NVRAM_HEADER) {
++ if (!err && header.magic == NVRAM_MAGIC) {
+ u8 *dst = (uint8_t *)nvram_buf;
+ size_t len = header.len;
+
+@@ -162,7 +175,7 @@ static int nvram_init(void)
+ return -ENXIO;
+ }
+
+-int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len)
++int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len)
+ {
+ char *var, *value, *end, *eq;
+ int err;
+diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
+index e772e77..2eff7fe 100644
+--- a/arch/mips/bcm47xx/sprom.c
++++ b/arch/mips/bcm47xx/sprom.c
+@@ -136,6 +136,20 @@ static void nvram_read_leddc(const char *prefix, const char *name,
+ *leddc_off_time = (val >> 16) & 0xff;
+ }
+
++static void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
++{
++ if (strchr(buf, ':'))
++ sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
++ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
++ &macaddr[5]);
++ else if (strchr(buf, '-'))
++ sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
++ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
++ &macaddr[5]);
++ else
++ pr_warn("Can not parse mac address: %s\n", buf);
++}
++
+ static void nvram_read_macaddr(const char *prefix, const char *name,
+ u8 val[6], bool fallback)
+ {
+diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
+index 676be22..ee59ffe 100644
+--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
++++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
+@@ -14,41 +14,8 @@
+ #include <linux/types.h>
+ #include <linux/kernel.h>
+
+-struct nvram_header {
+- u32 magic;
+- u32 len;
+- u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
+- u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
+- u32 config_ncdl; /* ncdl values for memc */
+-};
+-
+-#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
+-#define NVRAM_VERSION 1
+-#define NVRAM_HEADER_SIZE 20
+-#define NVRAM_SPACE 0x8000
+-
+-#define FLASH_MIN 0x00020000 /* Minimum flash size */
+-
+-#define NVRAM_MAX_VALUE_LEN 255
+-#define NVRAM_MAX_PARAM_LEN 64
+-
+ int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
+-extern int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len);
+-
+-static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
+-{
+- if (strchr(buf, ':'))
+- sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
+- &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
+- &macaddr[5]);
+- else if (strchr(buf, '-'))
+- sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
+- &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
+- &macaddr[5]);
+- else
+- printk(KERN_WARNING "Can not parse mac address: %s\n", buf);
+-}
+-
++int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
+ int bcm47xx_nvram_gpio_pin(const char *name);
+
+ #endif /* __BCM47XX_NVRAM_H */
+--
+1.8.4.5
+
+++ /dev/null
-From 8d602dd0f984e8488ab891344ebdb6e1f3128c4a Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Wed, 3 Sep 2014 22:51:06 +0200
-Subject: [PATCH 154/158] MIPS: BCM47XX: Get rid of calls to KSEG1ADDR
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-We should be using ioremap_nocache helper which handles remaps in a
-smarter way.
-
-Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
-Cc: linux-mips@linux-mips.org
-Cc: Hauke Mehrtens <hauke@hauke-m.de>
-Patchwork: http://patchwork.linux-mips.org/patch/7611/
-Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
----
- arch/mips/bcm47xx/nvram.c | 44 ++++++++++++++++++++++++++++++++------------
- 1 file changed, 32 insertions(+), 12 deletions(-)
-
-diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
-index 2bed73a..e07976b 100644
---- a/arch/mips/bcm47xx/nvram.c
-+++ b/arch/mips/bcm47xx/nvram.c
-@@ -23,13 +23,13 @@
- static char nvram_buf[NVRAM_SPACE];
- static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
-
--static u32 find_nvram_size(u32 end)
-+static u32 find_nvram_size(void __iomem *end)
- {
-- struct nvram_header *header;
-+ struct nvram_header __iomem *header;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
-- header = (struct nvram_header *)KSEG1ADDR(end - nvram_sizes[i]);
-+ header = (struct nvram_header *)(end - nvram_sizes[i]);
- if (header->magic == NVRAM_HEADER)
- return nvram_sizes[i];
- }
-@@ -38,35 +38,39 @@ static u32 find_nvram_size(u32 end)
- }
-
- /* Probe for NVRAM header */
--static int nvram_find_and_copy(u32 base, u32 lim)
-+static int nvram_find_and_copy(void __iomem *iobase, u32 lim)
- {
-- struct nvram_header *header;
-+ struct nvram_header __iomem *header;
- int i;
- u32 off;
- u32 *src, *dst;
- u32 size;
-
-+ if (nvram_buf[0]) {
-+ pr_warn("nvram already initialized\n");
-+ return -EEXIST;
-+ }
-+
- /* TODO: when nvram is on nand flash check for bad blocks first. */
- off = FLASH_MIN;
- while (off <= lim) {
- /* Windowed flash access */
-- size = find_nvram_size(base + off);
-+ size = find_nvram_size(iobase + off);
- if (size) {
-- header = (struct nvram_header *)KSEG1ADDR(base + off -
-- size);
-+ header = (struct nvram_header *)(iobase + off - size);
- goto found;
- }
- off <<= 1;
- }
-
- /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
-- header = (struct nvram_header *) KSEG1ADDR(base + 4096);
-+ header = (struct nvram_header *)(iobase + 4096);
- if (header->magic == NVRAM_HEADER) {
- size = NVRAM_SPACE;
- goto found;
- }
-
-- header = (struct nvram_header *) KSEG1ADDR(base + 1024);
-+ header = (struct nvram_header *)(iobase + 1024);
- if (header->magic == NVRAM_HEADER) {
- size = NVRAM_SPACE;
- goto found;
-@@ -94,6 +98,22 @@ found:
- return 0;
- }
-
-+static int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
-+{
-+ void __iomem *iobase;
-+ int err;
-+
-+ iobase = ioremap_nocache(base, lim);
-+ if (!iobase)
-+ return -ENOMEM;
-+
-+ err = nvram_find_and_copy(iobase, lim);
-+
-+ iounmap(iobase);
-+
-+ return err;
-+}
-+
- #ifdef CONFIG_BCM47XX_SSB
- static int nvram_init_ssb(void)
- {
-@@ -109,7 +129,7 @@ static int nvram_init_ssb(void)
- return -ENXIO;
- }
-
-- return nvram_find_and_copy(base, lim);
-+ return bcm47xx_nvram_init_from_mem(base, lim);
- }
- #endif
-
-@@ -139,7 +159,7 @@ static int nvram_init_bcma(void)
- return -ENXIO;
- }
-
-- return nvram_find_and_copy(base, lim);
-+ return bcm47xx_nvram_init_from_mem(base, lim);
- }
- #endif
-
---
-1.8.4.5
-
--- /dev/null
+From 9a6a2b96dfd8b01336f8519a5be7fb353cfa62fb Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Sat, 14 Mar 2015 17:55:54 +0100
+Subject: [PATCH] MIPS: BCM47XX: Support SPROM prefixes for PCI devices
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Support parsing SPROMs with prefixes defined like devpath1=pci/1/1
+
+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/9552/
+Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
+---
+ arch/mips/bcm47xx/sprom.c | 33 +++++++++++++++++++++++++++++++++
+ 1 file changed, 33 insertions(+)
+
+diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
+index 2eff7fe..eff9205 100644
+--- a/arch/mips/bcm47xx/sprom.c
++++ b/arch/mips/bcm47xx/sprom.c
+@@ -836,6 +836,38 @@ static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
+ #endif
+
+ #if defined(CONFIG_BCM47XX_BCMA)
++/*
++ * Having many NVRAM entries for PCI devices led to repeating prefixes like
++ * pci/1/1/ all the time and wasting flash space. So at some point Broadcom
++ * decided to introduce prefixes like 0: 1: 2: etc.
++ * If we find e.g. devpath0=pci/2/1 or devpath0=pci/2/1/ we should use 0:
++ * instead of pci/2/1/.
++ */
++static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size)
++{
++ size_t prefix_len = strlen(prefix);
++ size_t short_len = prefix_len - 1;
++ char nvram_var[10];
++ char buf[20];
++ int i;
++
++ /* Passed prefix has to end with a slash */
++ if (prefix_len <= 0 || prefix[prefix_len - 1] != '/')
++ return;
++
++ for (i = 0; i < 3; i++) {
++ if (snprintf(nvram_var, sizeof(nvram_var), "devpath%d", i) <= 0)
++ continue;
++ if (bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)) < 0)
++ continue;
++ if (!strcmp(buf, prefix) ||
++ (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) {
++ snprintf(prefix, prefix_size, "%d:", i);
++ return;
++ }
++ }
++}
++
+ static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
+ {
+ char prefix[10];
+@@ -847,6 +879,7 @@ static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
+ snprintf(prefix, sizeof(prefix), "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;
+ case BCMA_HOSTTYPE_SOC:
+--
+1.8.4.5
+
+++ /dev/null
-From 21400f252a97755579b43a4dc95dd02cd7f0ca75 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Wed, 3 Sep 2014 22:59:45 +0200
-Subject: [PATCH 155/158] MIPS: BCM47XX: Make ssb init NVRAM instead of bcm47xx
- polling it
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This makes NVRAM code less bcm47xx/ssb specific allowing it to become a
-standalone driver in the future. A similar patch for bcma will follow
-when it's ready.
-
-Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
-Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
-Cc: linux-mips@linux-mips.org
-Patchwork: https://patchwork.linux-mips.org/patch/7612/
-Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
----
- arch/mips/bcm47xx/nvram.c | 30 +++++++---------------
- arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h | 1 +
- drivers/ssb/driver_mipscore.c | 14 +++++++++-
- 3 files changed, 23 insertions(+), 22 deletions(-)
-
-diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
-index e07976b..fecc5ae 100644
---- a/arch/mips/bcm47xx/nvram.c
-+++ b/arch/mips/bcm47xx/nvram.c
-@@ -98,7 +98,14 @@ found:
- return 0;
- }
-
--static int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
-+/*
-+ * On bcm47xx we need access to the NVRAM very early, so we can't use mtd
-+ * subsystem to access flash. We can't even use platform device / driver to
-+ * store memory offset.
-+ * To handle this we provide following symbol. It's supposed to be called as
-+ * soon as we get info about flash device, before any NVRAM entry is needed.
-+ */
-+int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
- {
- void __iomem *iobase;
- int err;
-@@ -114,25 +121,6 @@ static int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
- return err;
- }
-
--#ifdef CONFIG_BCM47XX_SSB
--static int nvram_init_ssb(void)
--{
-- struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
-- u32 base;
-- u32 lim;
--
-- if (mcore->pflash.present) {
-- base = mcore->pflash.window;
-- lim = mcore->pflash.window_size;
-- } else {
-- pr_err("Couldn't find supported flash memory\n");
-- return -ENXIO;
-- }
--
-- return bcm47xx_nvram_init_from_mem(base, lim);
--}
--#endif
--
- #ifdef CONFIG_BCM47XX_BCMA
- static int nvram_init_bcma(void)
- {
-@@ -168,7 +156,7 @@ static int nvram_init(void)
- switch (bcm47xx_bus_type) {
- #ifdef CONFIG_BCM47XX_SSB
- case BCM47XX_BUS_TYPE_SSB:
-- return nvram_init_ssb();
-+ break;
- #endif
- #ifdef CONFIG_BCM47XX_BCMA
- case BCM47XX_BUS_TYPE_BCMA:
-diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
-index 36a3fc1..676be22 100644
---- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
-+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
-@@ -32,6 +32,7 @@ struct nvram_header {
- #define NVRAM_MAX_VALUE_LEN 255
- #define NVRAM_MAX_PARAM_LEN 64
-
-+int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
- extern int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len);
-
- static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
-diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c
-index 0907706..7b986f9 100644
---- a/drivers/ssb/driver_mipscore.c
-+++ b/drivers/ssb/driver_mipscore.c
-@@ -15,6 +15,9 @@
- #include <linux/serial_core.h>
- #include <linux/serial_reg.h>
- #include <linux/time.h>
-+#ifdef CONFIG_BCM47XX
-+#include <bcm47xx_nvram.h>
-+#endif
-
- #include "ssb_private.h"
-
-@@ -210,6 +213,7 @@ static void ssb_mips_serial_init(struct ssb_mipscore *mcore)
- static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
- {
- struct ssb_bus *bus = mcore->dev->bus;
-+ struct ssb_sflash *sflash = &mcore->sflash;
- struct ssb_pflash *pflash = &mcore->pflash;
-
- /* When there is no chipcommon on the bus there is 4MB flash */
-@@ -242,7 +246,15 @@ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
- }
-
- ssb_pflash:
-- if (pflash->present) {
-+ if (sflash->present) {
-+#ifdef CONFIG_BCM47XX
-+ bcm47xx_nvram_init_from_mem(sflash->window, sflash->size);
-+#endif
-+ } else if (pflash->present) {
-+#ifdef CONFIG_BCM47XX
-+ bcm47xx_nvram_init_from_mem(pflash->window, pflash->window_size);
-+#endif
-+
- ssb_pflash_data.width = pflash->buswidth;
- ssb_pflash_resource.start = pflash->window;
- ssb_pflash_resource.end = pflash->window + pflash->window_size;
---
-1.8.4.5
-
+++ /dev/null
-From 7177efc5b030012c54c2e217c9d6decc0bcc1c53 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Tue, 28 Oct 2014 13:30:23 +0100
-Subject: [PATCH 156/158] MIPS: BCM47XX: Make bcma init NVRAM instead of
- bcm47xx polling it
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This drops ssb/bcma dependency and will allow us to make it a standalone
-driver.
-
-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/8233/
-Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
----
- arch/mips/bcm47xx/nvram.c | 42 ++----------------------------------------
- drivers/bcma/driver_mips.c | 13 +++++++++++--
- 2 files changed, 13 insertions(+), 42 deletions(-)
-
-diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
-index fecc5ae..21712fb 100644
---- a/arch/mips/bcm47xx/nvram.c
-+++ b/arch/mips/bcm47xx/nvram.c
-@@ -121,48 +121,10 @@ int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
- return err;
- }
-
--#ifdef CONFIG_BCM47XX_BCMA
--static int nvram_init_bcma(void)
--{
-- struct bcma_drv_cc *cc = &bcm47xx_bus.bcma.bus.drv_cc;
-- u32 base;
-- u32 lim;
--
--#ifdef CONFIG_BCMA_NFLASH
-- if (cc->nflash.boot) {
-- base = BCMA_SOC_FLASH1;
-- lim = BCMA_SOC_FLASH1_SZ;
-- } else
--#endif
-- if (cc->pflash.present) {
-- base = cc->pflash.window;
-- lim = cc->pflash.window_size;
--#ifdef CONFIG_BCMA_SFLASH
-- } else if (cc->sflash.present) {
-- base = cc->sflash.window;
-- lim = cc->sflash.size;
--#endif
-- } else {
-- pr_err("Couldn't find supported flash memory\n");
-- return -ENXIO;
-- }
--
-- return bcm47xx_nvram_init_from_mem(base, lim);
--}
--#endif
--
- static int nvram_init(void)
- {
-- switch (bcm47xx_bus_type) {
--#ifdef CONFIG_BCM47XX_SSB
-- case BCM47XX_BUS_TYPE_SSB:
-- break;
--#endif
--#ifdef CONFIG_BCM47XX_BCMA
-- case BCM47XX_BUS_TYPE_BCMA:
-- return nvram_init_bcma();
--#endif
-- }
-+ /* TODO: Look for MTD "nvram" partition */
-+
- return -ENXIO;
- }
-
-diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
-index 004d6aa..8a653dc 100644
---- a/drivers/bcma/driver_mips.c
-+++ b/drivers/bcma/driver_mips.c
-@@ -20,6 +20,9 @@
- #include <linux/serial_core.h>
- #include <linux/serial_reg.h>
- #include <linux/time.h>
-+#ifdef CONFIG_BCM47XX
-+#include <bcm47xx_nvram.h>
-+#endif
-
- enum bcma_boot_dev {
- BCMA_BOOT_DEV_UNK = 0,
-@@ -316,10 +319,16 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
- switch (boot_dev) {
- case BCMA_BOOT_DEV_PARALLEL:
- case BCMA_BOOT_DEV_SERIAL:
-- /* TODO: Init NVRAM using BCMA_SOC_FLASH2 window */
-+#ifdef CONFIG_BCM47XX
-+ bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH2,
-+ BCMA_SOC_FLASH2_SZ);
-+#endif
- break;
- case BCMA_BOOT_DEV_NAND:
-- /* TODO: Init NVRAM using BCMA_SOC_FLASH1 window */
-+#ifdef CONFIG_BCM47XX
-+ bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH1,
-+ BCMA_SOC_FLASH1_SZ);
-+#endif
- break;
- default:
- break;
---
-1.8.4.5
-
+++ /dev/null
-From a59da8fb3b2a1f2df5f871464e43cd5b6ca6ceb1 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Tue, 28 Oct 2014 12:52:02 +0100
-Subject: [PATCH 157/158] MIPS: BCM47XX: Move SPROM fallback code into sprom.c
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This is some general cleanup as well as preparing sprom.c to become a
-standalone driver. We will need this for bcm53xx ARM arch support.
-
-Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
-Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
-Cc: linux-mips@linux-mips.org
-Patchwork: https://patchwork.linux-mips.org/patch/8232/
-Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
----
- arch/mips/bcm47xx/bcm47xx_private.h | 3 ++
- arch/mips/bcm47xx/setup.c | 58 ++-----------------------------
- arch/mips/bcm47xx/sprom.c | 68 +++++++++++++++++++++++++++++++++++++
- 3 files changed, 73 insertions(+), 56 deletions(-)
-
-diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h
-index f1cc9d0..12a112d 100644
---- a/arch/mips/bcm47xx/bcm47xx_private.h
-+++ b/arch/mips/bcm47xx/bcm47xx_private.h
-@@ -6,6 +6,9 @@
- /* prom.c */
- void __init bcm47xx_prom_highmem_init(void);
-
-+/* sprom.c */
-+void bcm47xx_sprom_register_fallbacks(void);
-+
- /* buttons.c */
- int __init bcm47xx_buttons_register(void);
-
-diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
-index c00585d..444c65a 100644
---- a/arch/mips/bcm47xx/setup.c
-+++ b/arch/mips/bcm47xx/setup.c
-@@ -102,23 +102,6 @@ static void bcm47xx_machine_halt(void)
- }
-
- #ifdef CONFIG_BCM47XX_SSB
--static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
--{
-- char prefix[10];
--
-- if (bus->bustype == SSB_BUSTYPE_PCI) {
-- memset(out, 0, sizeof(struct ssb_sprom));
-- snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
-- bus->host_pci->bus->number + 1,
-- PCI_SLOT(bus->host_pci->devfn));
-- bcm47xx_fill_sprom(out, prefix, false);
-- return 0;
-- } else {
-- printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
-- return -EINVAL;
-- }
--}
--
- static int bcm47xx_get_invariants(struct ssb_bus *bus,
- struct ssb_init_invariants *iv)
- {
-@@ -144,11 +127,6 @@ static void __init bcm47xx_register_ssb(void)
- char buf[100];
- struct ssb_mipscore *mcore;
-
-- err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb);
-- if (err)
-- printk(KERN_WARNING "bcm47xx: someone else already registered"
-- " a ssb SPROM callback handler (err %d)\n", err);
--
- err = ssb_bus_ssbbus_register(&(bcm47xx_bus.ssb), SSB_ENUM_BASE,
- bcm47xx_get_invariants);
- if (err)
-@@ -171,44 +149,10 @@ static void __init bcm47xx_register_ssb(void)
- #endif
-
- #ifdef CONFIG_BCM47XX_BCMA
--static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
--{
-- char prefix[10];
-- struct bcma_device *core;
--
-- switch (bus->hosttype) {
-- case BCMA_HOSTTYPE_PCI:
-- memset(out, 0, sizeof(struct ssb_sprom));
-- snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
-- bus->host_pci->bus->number + 1,
-- PCI_SLOT(bus->host_pci->devfn));
-- bcm47xx_fill_sprom(out, prefix, false);
-- return 0;
-- 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/",
-- core->core_index);
-- bcm47xx_fill_sprom(out, prefix, true);
-- } else {
-- bcm47xx_fill_sprom(out, NULL, false);
-- }
-- return 0;
-- default:
-- pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
-- return -EINVAL;
-- }
--}
--
- static void __init bcm47xx_register_bcma(void)
- {
- int err;
-
-- err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma);
-- if (err)
-- pr_warn("bcm47xx: someone else already registered a bcma SPROM callback handler (err %d)\n", err);
--
- err = bcma_host_soc_register(&bcm47xx_bus.bcma);
- if (err)
- panic("Failed to register BCMA bus (err %d)", err);
-@@ -229,6 +173,7 @@ void __init plat_mem_setup(void)
- printk(KERN_INFO "bcm47xx: using bcma bus\n");
- #ifdef CONFIG_BCM47XX_BCMA
- bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA;
-+ bcm47xx_sprom_register_fallbacks();
- bcm47xx_register_bcma();
- bcm47xx_set_system_type(bcm47xx_bus.bcma.bus.chipinfo.id);
- #ifdef CONFIG_HIGHMEM
-@@ -239,6 +184,7 @@ void __init plat_mem_setup(void)
- printk(KERN_INFO "bcm47xx: using ssb bus\n");
- #ifdef CONFIG_BCM47XX_SSB
- bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB;
-+ bcm47xx_sprom_register_fallbacks();
- bcm47xx_register_ssb();
- bcm47xx_set_system_type(bcm47xx_bus.ssb.chip_id);
- #endif
-diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
-index 41226b6..e772e77 100644
---- a/arch/mips/bcm47xx/sprom.c
-+++ b/arch/mips/bcm47xx/sprom.c
-@@ -801,3 +801,71 @@ void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
- 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)
-+{
-+ char prefix[10];
-+
-+ if (bus->bustype == SSB_BUSTYPE_PCI) {
-+ memset(out, 0, sizeof(struct ssb_sprom));
-+ snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
-+ bus->host_pci->bus->number + 1,
-+ PCI_SLOT(bus->host_pci->devfn));
-+ bcm47xx_fill_sprom(out, prefix, false);
-+ return 0;
-+ } else {
-+ pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
-+ return -EINVAL;
-+ }
-+}
-+#endif
-+
-+#if defined(CONFIG_BCM47XX_BCMA)
-+static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
-+{
-+ char prefix[10];
-+ struct bcma_device *core;
-+
-+ switch (bus->hosttype) {
-+ case BCMA_HOSTTYPE_PCI:
-+ memset(out, 0, sizeof(struct ssb_sprom));
-+ snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
-+ bus->host_pci->bus->number + 1,
-+ PCI_SLOT(bus->host_pci->devfn));
-+ bcm47xx_fill_sprom(out, prefix, false);
-+ return 0;
-+ 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/",
-+ core->core_index);
-+ bcm47xx_fill_sprom(out, prefix, true);
-+ } else {
-+ bcm47xx_fill_sprom(out, NULL, false);
-+ }
-+ return 0;
-+ default:
-+ pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
-+ return -EINVAL;
-+ }
-+}
-+#endif
-+
-+/*
-+ * On bcm47xx we need to register SPROM fallback handler very early, so we can't
-+ * use anything like platform device / driver for this.
-+ */
-+void bcm47xx_sprom_register_fallbacks(void)
-+{
-+#if defined(CONFIG_BCM47XX_SSB)
-+ if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb))
-+ pr_warn("Failed to registered ssb SPROM handler\n");
-+#endif
-+
-+#if defined(CONFIG_BCM47XX_BCMA)
-+ if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma))
-+ pr_warn("Failed to registered bcma SPROM handler\n");
-+#endif
-+}
---
-1.8.4.5
-
+++ /dev/null
-From e5810fa0c1bed16fdfb408862a2e17e962ec5cf6 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Tue, 28 Oct 2014 14:40:38 +0100
-Subject: [PATCH 158/158] MIPS: BCM47XX: Initialize bcma bus later (with mm
- available)
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Initializaion with memory allocator available will be much simpler, this
-will allow cleanup in the bcma code.
-
-Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
-Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
-Cc: linux-mips@linux-mips.org
-Patchwork: https://patchwork.linux-mips.org/patch/8234/
-Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
----
- arch/mips/bcm47xx/bcm47xx_private.h | 3 +++
- arch/mips/bcm47xx/irq.c | 8 ++++++++
- arch/mips/bcm47xx/setup.c | 33 +++++++++++++++++++++++++++------
- 3 files changed, 38 insertions(+), 6 deletions(-)
-
-diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h
-index 12a112d..ea909a5 100644
---- a/arch/mips/bcm47xx/bcm47xx_private.h
-+++ b/arch/mips/bcm47xx/bcm47xx_private.h
-@@ -15,6 +15,9 @@ int __init bcm47xx_buttons_register(void);
- /* leds.c */
- void __init bcm47xx_leds_register(void);
-
-+/* setup.c */
-+void __init bcm47xx_bus_setup(void);
-+
- /* workarounds.c */
- void __init bcm47xx_workarounds(void);
-
-diff --git a/arch/mips/bcm47xx/irq.c b/arch/mips/bcm47xx/irq.c
-index e0585b7..21b4497 100644
---- a/arch/mips/bcm47xx/irq.c
-+++ b/arch/mips/bcm47xx/irq.c
-@@ -22,6 +22,8 @@
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-+#include "bcm47xx_private.h"
-+
- #include <linux/types.h>
- #include <linux/interrupt.h>
- #include <linux/irq.h>
-@@ -65,6 +67,12 @@ DEFINE_HWx_IRQDISPATCH(7)
-
- void __init arch_init_irq(void)
- {
-+ /*
-+ * This is the first arch callback after mm_init (we can use kmalloc),
-+ * so let's finish bus initialization now.
-+ */
-+ bcm47xx_bus_setup();
-+
- #ifdef CONFIG_BCM47XX_BCMA
- if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA) {
- bcma_write32(bcm47xx_bus.bcma.bus.drv_mips.core,
-diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
-index 444c65a..e43b504 100644
---- a/arch/mips/bcm47xx/setup.c
-+++ b/arch/mips/bcm47xx/setup.c
-@@ -156,15 +156,14 @@ static void __init bcm47xx_register_bcma(void)
- err = bcma_host_soc_register(&bcm47xx_bus.bcma);
- if (err)
- panic("Failed to register BCMA bus (err %d)", err);
--
-- 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
-
-+/*
-+ * Memory setup is done in the early part of MIPS's arch_mem_init. It's supposed
-+ * to detect memory and record it with add_memory_region.
-+ * Any extra initializaion performed here must not use kmalloc or bootmem.
-+ */
- void __init plat_mem_setup(void)
- {
- struct cpuinfo_mips *c = ¤t_cpu_data;
-@@ -193,6 +192,28 @@ void __init plat_mem_setup(void)
- _machine_restart = bcm47xx_machine_restart;
- _machine_halt = bcm47xx_machine_halt;
- pm_power_off = bcm47xx_machine_halt;
-+}
-+
-+/*
-+ * This finishes bus initialization doing things that were not possible without
-+ * kmalloc. Make sure to call it late enough (after mm_init).
-+ */
-+void __init bcm47xx_bus_setup(void)
-+{
-+#ifdef CONFIG_BCM47XX_BCMA
-+ if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA) {
-+ int err;
-+
-+ 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
-+
-+ /* With bus initialized we can access NVRAM and detect the board */
- bcm47xx_board_detect();
- mips_set_machine_name(bcm47xx_board_get_name());
- }
---
-1.8.4.5
-
+++ /dev/null
-From 9d1d08646af4491aec41d40341930b9bfd62ffa9 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Wed, 29 Oct 2014 10:05:06 +0100
-Subject: [PATCH] MIPS: BCM47XX: Use mtd as an alternative way/API to get NVRAM
- content
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-NVRAM can be read using magic memory offset, but after all it's just a
-flash partition. On platforms where NVRAM isn't needed early we can get
-it using mtd subsystem.
-
-Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
-Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
-Cc: linux-mips@linux-mips.org
-Patchwork: https://patchwork.linux-mips.org/patch/8266/
-Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
----
- arch/mips/bcm47xx/nvram.c | 42 ++++++++++++++++++++++++++++++++++++++----
- 1 file changed, 38 insertions(+), 4 deletions(-)
-
-diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
-index 21712fb..8b64991 100644
---- a/arch/mips/bcm47xx/nvram.c
-+++ b/arch/mips/bcm47xx/nvram.c
-@@ -13,12 +13,10 @@
-
- #include <linux/types.h>
- #include <linux/module.h>
--#include <linux/ssb/ssb.h>
- #include <linux/kernel.h>
- #include <linux/string.h>
--#include <asm/addrspace.h>
-+#include <linux/mtd/mtd.h>
- #include <bcm47xx_nvram.h>
--#include <asm/mach-bcm47xx/bcm47xx.h>
-
- static char nvram_buf[NVRAM_SPACE];
- static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
-@@ -123,7 +121,43 @@ int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
-
- static int nvram_init(void)
- {
-- /* TODO: Look for MTD "nvram" partition */
-+#ifdef CONFIG_MTD
-+ struct mtd_info *mtd;
-+ struct nvram_header header;
-+ size_t bytes_read;
-+ int err, i;
-+
-+ mtd = get_mtd_device_nm("nvram");
-+ if (IS_ERR(mtd))
-+ return -ENODEV;
-+
-+ for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
-+ loff_t from = mtd->size - nvram_sizes[i];
-+
-+ if (from < 0)
-+ continue;
-+
-+ err = mtd_read(mtd, from, sizeof(header), &bytes_read,
-+ (uint8_t *)&header);
-+ if (!err && header.magic == NVRAM_HEADER) {
-+ u8 *dst = (uint8_t *)nvram_buf;
-+ size_t len = header.len;
-+
-+ if (header.len > NVRAM_SPACE) {
-+ pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
-+ header.len, NVRAM_SPACE);
-+ len = NVRAM_SPACE;
-+ }
-+
-+ err = mtd_read(mtd, from, len, &bytes_read, dst);
-+ if (err)
-+ return err;
-+ memset(dst + bytes_read, 0x0, NVRAM_SPACE - bytes_read);
-+
-+ return 0;
-+ }
-+ }
-+#endif
-
- return -ENXIO;
- }
---
-1.8.4.5
-
+++ /dev/null
-From 341097f17c76b3dd39539526a2af9e7fff43705e Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Thu, 30 Oct 2014 12:50:03 +0100
-Subject: [PATCH] MIPS: BCM47XX: Clean up nvram header
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-1) Move private defines to the .c file
-2) Move SPROM helper to the sprom.c
-3) Drop unused code
-4) Rename magic to the NVRAM_MAGIC
-5) Add const to the char pointer we never modify
-
-Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
-Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
-Cc: linux-mips@linux-mips.org
-Patchwork: https://patchwork.linux-mips.org/patch/8289/
-Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
----
- arch/mips/bcm47xx/nvram.c | 23 ++++++++++----
- arch/mips/bcm47xx/sprom.c | 14 +++++++++
- arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h | 35 +---------------------
- 3 files changed, 33 insertions(+), 39 deletions(-)
-
-diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
-index 8b64991..c5c381c 100644
---- a/arch/mips/bcm47xx/nvram.c
-+++ b/arch/mips/bcm47xx/nvram.c
-@@ -18,6 +18,19 @@
- #include <linux/mtd/mtd.h>
- #include <bcm47xx_nvram.h>
-
-+#define NVRAM_MAGIC 0x48534C46 /* 'FLSH' */
-+#define NVRAM_SPACE 0x8000
-+
-+#define FLASH_MIN 0x00020000 /* Minimum flash size */
-+
-+struct nvram_header {
-+ u32 magic;
-+ u32 len;
-+ u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
-+ u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
-+ u32 config_ncdl; /* ncdl values for memc */
-+};
-+
- static char nvram_buf[NVRAM_SPACE];
- static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
-
-@@ -28,7 +41,7 @@ static u32 find_nvram_size(void __iomem *end)
-
- for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
- header = (struct nvram_header *)(end - nvram_sizes[i]);
-- if (header->magic == NVRAM_HEADER)
-+ if (header->magic == NVRAM_MAGIC)
- return nvram_sizes[i];
- }
-
-@@ -63,13 +76,13 @@ static int nvram_find_and_copy(void __iomem *iobase, u32 lim)
-
- /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
- header = (struct nvram_header *)(iobase + 4096);
-- if (header->magic == NVRAM_HEADER) {
-+ if (header->magic == NVRAM_MAGIC) {
- size = NVRAM_SPACE;
- goto found;
- }
-
- header = (struct nvram_header *)(iobase + 1024);
-- if (header->magic == NVRAM_HEADER) {
-+ if (header->magic == NVRAM_MAGIC) {
- size = NVRAM_SPACE;
- goto found;
- }
-@@ -139,7 +152,7 @@ static int nvram_init(void)
-
- err = mtd_read(mtd, from, sizeof(header), &bytes_read,
- (uint8_t *)&header);
-- if (!err && header.magic == NVRAM_HEADER) {
-+ if (!err && header.magic == NVRAM_MAGIC) {
- u8 *dst = (uint8_t *)nvram_buf;
- size_t len = header.len;
-
-@@ -162,7 +175,7 @@ static int nvram_init(void)
- return -ENXIO;
- }
-
--int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len)
-+int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len)
- {
- char *var, *value, *end, *eq;
- int err;
-diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
-index e772e77..2eff7fe 100644
---- a/arch/mips/bcm47xx/sprom.c
-+++ b/arch/mips/bcm47xx/sprom.c
-@@ -136,6 +136,20 @@ static void nvram_read_leddc(const char *prefix, const char *name,
- *leddc_off_time = (val >> 16) & 0xff;
- }
-
-+static void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
-+{
-+ if (strchr(buf, ':'))
-+ sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
-+ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
-+ &macaddr[5]);
-+ else if (strchr(buf, '-'))
-+ sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
-+ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
-+ &macaddr[5]);
-+ else
-+ pr_warn("Can not parse mac address: %s\n", buf);
-+}
-+
- static void nvram_read_macaddr(const char *prefix, const char *name,
- u8 val[6], bool fallback)
- {
-diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
-index 676be22..ee59ffe 100644
---- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
-+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
-@@ -14,41 +14,8 @@
- #include <linux/types.h>
- #include <linux/kernel.h>
-
--struct nvram_header {
-- u32 magic;
-- u32 len;
-- u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
-- u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
-- u32 config_ncdl; /* ncdl values for memc */
--};
--
--#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
--#define NVRAM_VERSION 1
--#define NVRAM_HEADER_SIZE 20
--#define NVRAM_SPACE 0x8000
--
--#define FLASH_MIN 0x00020000 /* Minimum flash size */
--
--#define NVRAM_MAX_VALUE_LEN 255
--#define NVRAM_MAX_PARAM_LEN 64
--
- int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
--extern int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len);
--
--static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
--{
-- if (strchr(buf, ':'))
-- sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
-- &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
-- &macaddr[5]);
-- else if (strchr(buf, '-'))
-- sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
-- &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
-- &macaddr[5]);
-- else
-- printk(KERN_WARNING "Can not parse mac address: %s\n", buf);
--}
--
-+int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
- int bcm47xx_nvram_gpio_pin(const char *name);
-
- #endif /* __BCM47XX_NVRAM_H */
---
-1.8.4.5
-
+++ /dev/null
-From 9a6a2b96dfd8b01336f8519a5be7fb353cfa62fb Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Sat, 14 Mar 2015 17:55:54 +0100
-Subject: [PATCH] MIPS: BCM47XX: Support SPROM prefixes for PCI devices
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Support parsing SPROMs with prefixes defined like devpath1=pci/1/1
-
-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/9552/
-Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
----
- arch/mips/bcm47xx/sprom.c | 33 +++++++++++++++++++++++++++++++++
- 1 file changed, 33 insertions(+)
-
-diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
-index 2eff7fe..eff9205 100644
---- a/arch/mips/bcm47xx/sprom.c
-+++ b/arch/mips/bcm47xx/sprom.c
-@@ -836,6 +836,38 @@ static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
- #endif
-
- #if defined(CONFIG_BCM47XX_BCMA)
-+/*
-+ * Having many NVRAM entries for PCI devices led to repeating prefixes like
-+ * pci/1/1/ all the time and wasting flash space. So at some point Broadcom
-+ * decided to introduce prefixes like 0: 1: 2: etc.
-+ * If we find e.g. devpath0=pci/2/1 or devpath0=pci/2/1/ we should use 0:
-+ * instead of pci/2/1/.
-+ */
-+static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size)
-+{
-+ size_t prefix_len = strlen(prefix);
-+ size_t short_len = prefix_len - 1;
-+ char nvram_var[10];
-+ char buf[20];
-+ int i;
-+
-+ /* Passed prefix has to end with a slash */
-+ if (prefix_len <= 0 || prefix[prefix_len - 1] != '/')
-+ return;
-+
-+ for (i = 0; i < 3; i++) {
-+ if (snprintf(nvram_var, sizeof(nvram_var), "devpath%d", i) <= 0)
-+ continue;
-+ if (bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)) < 0)
-+ continue;
-+ if (!strcmp(buf, prefix) ||
-+ (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) {
-+ snprintf(prefix, prefix_size, "%d:", i);
-+ return;
-+ }
-+ }
-+}
-+
- static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
- {
- char prefix[10];
-@@ -847,6 +879,7 @@ static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
- snprintf(prefix, sizeof(prefix), "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;
- case BCMA_HOSTTYPE_SOC:
---
-1.8.4.5
-
projects / openwrt / staging / kaloz.git / commitdiff