From 541c9a84cd85203244307d9ebb821102eed82789 Mon Sep 17 00:00:00 2001 From: Rafał Miłecki Date: Wed, 9 Dec 2015 23:36:51 +0100 Subject: ssb: pick SoC invariants code from MIPS BCM47xx arch MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There is code in ssb fetching "invariants" that is basically a set of board specific data. Every host requires its own implementation of reading function. In ssb we have support for PCI, PCMCIA & SDIO. For some (historical?) reason code reading "invariants" for SoC was placed in arch code and provided by a callback. This is not needed nowadays, so lets move that into ssb. This way we keep all "invariants" functions in a single module making code cleaner. Signed-off-by: Rafał Miłecki Signed-off-by: Kalle Valo --- drivers/ssb/Kconfig | 2 +- drivers/ssb/host_soc.c | 37 +++++++++++++++++++++++++++++++++++++ drivers/ssb/main.c | 5 ++--- drivers/ssb/ssb_private.h | 3 +++ 4 files changed, 43 insertions(+), 4 deletions(-) (limited to 'drivers/ssb') diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index 149214beeda9..0c675861623f 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -82,7 +82,7 @@ config SSB_SDIOHOST config SSB_HOST_SOC bool "Support for SSB bus on SoC" - depends on SSB + depends on SSB && BCM47XX_NVRAM help Host interface for a SSB directly mapped into memory. This is for some Broadcom SoCs from the BCM47xx and BCM53xx lines. diff --git a/drivers/ssb/host_soc.c b/drivers/ssb/host_soc.c index c809f255af34..d62992dc08b2 100644 --- a/drivers/ssb/host_soc.c +++ b/drivers/ssb/host_soc.c @@ -8,6 +8,7 @@ * Licensed under the GNU/GPL. See COPYING for details. */ +#include #include #include "ssb_private.h" @@ -171,3 +172,39 @@ const struct ssb_bus_ops ssb_host_soc_ops = { .block_write = ssb_host_soc_block_write, #endif }; + +int ssb_host_soc_get_invariants(struct ssb_bus *bus, + struct ssb_init_invariants *iv) +{ + char buf[20]; + int len, err; + + /* Fill boardinfo structure */ + memset(&iv->boardinfo, 0, sizeof(struct ssb_boardinfo)); + + len = bcm47xx_nvram_getenv("boardvendor", buf, sizeof(buf)); + if (len > 0) { + err = kstrtou16(strim(buf), 0, &iv->boardinfo.vendor); + if (err) + pr_warn("Couldn't parse nvram board vendor entry with value \"%s\"\n", + buf); + } + if (!iv->boardinfo.vendor) + iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM; + + len = bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf)); + if (len > 0) { + err = kstrtou16(strim(buf), 0, &iv->boardinfo.type); + if (err) + pr_warn("Couldn't parse nvram board type entry with value \"%s\"\n", + buf); + } + + memset(&iv->sprom, 0, sizeof(struct ssb_sprom)); + ssb_fill_sprom_with_fallback(bus, &iv->sprom); + + if (bcm47xx_nvram_getenv("cardbus", buf, sizeof(buf)) >= 0) + iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10); + + return 0; +} diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 5d1e9a0fc389..cde5ff7529eb 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -762,15 +762,14 @@ EXPORT_SYMBOL(ssb_bus_sdiobus_register); #endif /* CONFIG_SSB_PCMCIAHOST */ #ifdef CONFIG_SSB_HOST_SOC -int ssb_bus_ssbbus_register(struct ssb_bus *bus, unsigned long baseaddr, - ssb_invariants_func_t get_invariants) +int ssb_bus_host_soc_register(struct ssb_bus *bus, unsigned long baseaddr) { int err; bus->bustype = SSB_BUSTYPE_SSB; bus->ops = &ssb_host_soc_ops; - err = ssb_bus_register(bus, get_invariants, baseaddr); + err = ssb_bus_register(bus, ssb_host_soc_get_invariants, baseaddr); if (!err) { ssb_info("Sonics Silicon Backplane found at address 0x%08lX\n", baseaddr); diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h index 15bfd5c7d2d7..c2f5d3969c8b 100644 --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h @@ -163,6 +163,9 @@ static inline int ssb_sdio_init(struct ssb_bus *bus) #ifdef CONFIG_SSB_HOST_SOC extern const struct ssb_bus_ops ssb_host_soc_ops; + +extern int ssb_host_soc_get_invariants(struct ssb_bus *bus, + struct ssb_init_invariants *iv); #endif /* scan.c */ -- cgit v1.2.3-59-g8ed1b