From: Arend van Spriel Date: Wed, 29 Jan 2014 14:32:22 +0000 (+0100) Subject: brcmfmac: get chip core information from the device X-Git-Tag: v4.9.8~6652^2~18^2^2~354 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4aa2c47cd60fa2ed8652f78d35286b639d00120c;p=platform%2Fkernel%2Flinux-rpi3.git brcmfmac: get chip core information from the device Instead of instantiating core info structs based upon the chip identifier it is now done parsing information provided on the device. Reviewed-by: Franky (Zhenhui) Lin Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Daniel (Deognyoun) Kim Signed-off-by: Arend van Spriel Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/brcm80211/brcmfmac/chip.c index 151a671..724a40f 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/chip.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/chip.c @@ -32,6 +32,55 @@ #define SOCI_SB 0 #define SOCI_AI 1 +/* PL-368 DMP definitions */ +#define DMP_DESC_TYPE_MSK 0x0000000F +#define DMP_DESC_EMPTY 0x00000000 +#define DMP_DESC_VALID 0x00000001 +#define DMP_DESC_COMPONENT 0x00000001 +#define DMP_DESC_MASTER_PORT 0x00000003 +#define DMP_DESC_ADDRESS 0x00000005 +#define DMP_DESC_ADDRSIZE_GT32 0x00000008 +#define DMP_DESC_EOT 0x0000000F + +#define DMP_COMP_DESIGNER 0xFFF00000 +#define DMP_COMP_DESIGNER_S 20 +#define DMP_COMP_PARTNUM 0x000FFF00 +#define DMP_COMP_PARTNUM_S 8 +#define DMP_COMP_CLASS 0x000000F0 +#define DMP_COMP_CLASS_S 4 +#define DMP_COMP_REVISION 0xFF000000 +#define DMP_COMP_REVISION_S 24 +#define DMP_COMP_NUM_SWRAP 0x00F80000 +#define DMP_COMP_NUM_SWRAP_S 19 +#define DMP_COMP_NUM_MWRAP 0x0007C000 +#define DMP_COMP_NUM_MWRAP_S 14 +#define DMP_COMP_NUM_SPORT 0x00003E00 +#define DMP_COMP_NUM_SPORT_S 9 +#define DMP_COMP_NUM_MPORT 0x000001F0 +#define DMP_COMP_NUM_MPORT_S 4 + +#define DMP_MASTER_PORT_UID 0x0000FF00 +#define DMP_MASTER_PORT_UID_S 8 +#define DMP_MASTER_PORT_NUM 0x000000F0 +#define DMP_MASTER_PORT_NUM_S 4 + +#define DMP_SLAVE_ADDR_BASE 0xFFFFF000 +#define DMP_SLAVE_ADDR_BASE_S 12 +#define DMP_SLAVE_PORT_NUM 0x00000F00 +#define DMP_SLAVE_PORT_NUM_S 8 +#define DMP_SLAVE_TYPE 0x000000C0 +#define DMP_SLAVE_TYPE_S 6 +#define DMP_SLAVE_TYPE_SLAVE 0 +#define DMP_SLAVE_TYPE_BRIDGE 1 +#define DMP_SLAVE_TYPE_SWRAP 2 +#define DMP_SLAVE_TYPE_MWRAP 3 +#define DMP_SLAVE_SIZE_TYPE 0x00000030 +#define DMP_SLAVE_SIZE_TYPE_S 4 +#define DMP_SLAVE_SIZE_4K 0 +#define DMP_SLAVE_SIZE_8K 1 +#define DMP_SLAVE_SIZE_16K 2 +#define DMP_SLAVE_SIZE_DESC 3 + /* EROM CompIdentB */ #define CIB_REV_MASK 0xff000000 #define CIB_REV_SHIFT 24 @@ -393,8 +442,9 @@ static int brcmf_chip_cores_check(struct brcmf_chip_priv *ci) int idx = 1; list_for_each_entry(core, &ci->cores, list) { - brcmf_dbg(INFO, " [%-2d] core 0x%x rev %-2d base 0x%08x\n", - idx++, core->pub.id, core->pub.rev, core->pub.base); + brcmf_dbg(INFO, " [%-2d] core 0x%x:%-2d base 0x%08x wrap 0x%08x\n", + idx++, core->pub.id, core->pub.rev, core->pub.base, + core->wrapbase); switch (core->pub.id) { case BCMA_CORE_ARM_CM3: @@ -463,6 +513,151 @@ static void brcmf_chip_get_raminfo(struct brcmf_chip_priv *ci) } } +static u32 brcmf_chip_dmp_get_desc(struct brcmf_chip_priv *ci, u32 *eromaddr, + u8 *type) +{ + u32 val; + + /* read next descriptor */ + val = ci->ops->read32(ci->ctx, *eromaddr); + *eromaddr += 4; + + if (!type) + return val; + + /* determine descriptor type */ + *type = (val & DMP_DESC_TYPE_MSK); + if ((*type & ~DMP_DESC_ADDRSIZE_GT32) == DMP_DESC_ADDRESS) + *type = DMP_DESC_ADDRESS; + + return val; +} + +static int brcmf_chip_dmp_get_regaddr(struct brcmf_chip_priv *ci, u32 *eromaddr, + u32 *regbase, u32 *wrapbase) +{ + u8 desc; + u32 val; + u8 mpnum = 0; + u8 stype, sztype, wraptype; + + *regbase = 0; + *wrapbase = 0; + + val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); + if (desc == DMP_DESC_MASTER_PORT) { + mpnum = (val & DMP_MASTER_PORT_NUM) >> DMP_MASTER_PORT_NUM_S; + wraptype = DMP_SLAVE_TYPE_MWRAP; + } else if (desc == DMP_DESC_ADDRESS) { + /* revert erom address */ + *eromaddr -= 4; + wraptype = DMP_SLAVE_TYPE_SWRAP; + } else { + *eromaddr -= 4; + return -EILSEQ; + } + + do { + /* locate address descriptor */ + do { + val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); + /* unexpected table end */ + if (desc == DMP_DESC_EOT) { + *eromaddr -= 4; + return -EFAULT; + } + } while (desc != DMP_DESC_ADDRESS); + + /* skip upper 32-bit address descriptor */ + if (val & DMP_DESC_ADDRSIZE_GT32) + brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); + + sztype = (val & DMP_SLAVE_SIZE_TYPE) >> DMP_SLAVE_SIZE_TYPE_S; + + /* next size descriptor can be skipped */ + if (sztype == DMP_SLAVE_SIZE_DESC) { + val = brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); + /* skip upper size descriptor if present */ + if (val & DMP_DESC_ADDRSIZE_GT32) + brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); + } + + /* only look for 4K register regions */ + if (sztype != DMP_SLAVE_SIZE_4K) + continue; + + stype = (val & DMP_SLAVE_TYPE) >> DMP_SLAVE_TYPE_S; + + /* only regular slave and wrapper */ + if (*regbase == 0 && stype == DMP_SLAVE_TYPE_SLAVE) + *regbase = val & DMP_SLAVE_ADDR_BASE; + if (*wrapbase == 0 && stype == wraptype) + *wrapbase = val & DMP_SLAVE_ADDR_BASE; + } while (*regbase == 0 || *wrapbase == 0); + + return 0; +} + +static +int brcmf_chip_dmp_erom_scan(struct brcmf_chip_priv *ci) +{ + struct brcmf_core *core; + u32 eromaddr; + u8 desc_type = 0; + u32 val; + u16 id; + u8 nmp, nsp, nmw, nsw, rev; + u32 base, wrap; + int err; + + eromaddr = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, eromptr)); + + while (desc_type != DMP_DESC_EOT) { + val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); + if (!(val & DMP_DESC_VALID)) + continue; + + if (desc_type == DMP_DESC_EMPTY) + continue; + + /* need a component descriptor */ + if (desc_type != DMP_DESC_COMPONENT) + continue; + + id = (val & DMP_COMP_PARTNUM) >> DMP_COMP_PARTNUM_S; + + /* next descriptor must be component as well */ + val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); + if (WARN_ON((val & DMP_DESC_TYPE_MSK) != DMP_DESC_COMPONENT)) + return -EFAULT; + + /* only look at cores with master port(s) */ + nmp = (val & DMP_COMP_NUM_MPORT) >> DMP_COMP_NUM_MPORT_S; + nsp = (val & DMP_COMP_NUM_SPORT) >> DMP_COMP_NUM_SPORT_S; + nmw = (val & DMP_COMP_NUM_MWRAP) >> DMP_COMP_NUM_MWRAP_S; + nsw = (val & DMP_COMP_NUM_SWRAP) >> DMP_COMP_NUM_SWRAP_S; + rev = (val & DMP_COMP_REVISION) >> DMP_COMP_REVISION_S; + + /* need core with ports */ + if (nmw + nsw == 0) + continue; + + /* try to obtain register address info */ + err = brcmf_chip_dmp_get_regaddr(ci, &eromaddr, &base, &wrap); + if (err) + continue; + + /* finally a core to be added */ + core = brcmf_chip_add_core(ci, id, base, wrap); + if (IS_ERR(core)) + return PTR_ERR(core); + + core->rev = rev; + } + + return 0; +} + static int brcmf_chip_recognition(struct brcmf_chip_priv *ci) { struct brcmf_core *core; @@ -505,114 +700,21 @@ static int brcmf_chip_recognition(struct brcmf_chip_priv *ci) core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, BCM4329_CORE_ARM_BASE, 0); brcmf_chip_sb_corerev(ci, core); + + core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0); + brcmf_chip_sb_corerev(ci, core); } else if (socitype == SOCI_AI) { ci->iscoreup = brcmf_chip_ai_iscoreup; ci->coredisable = brcmf_chip_ai_coredisable; ci->resetcore = brcmf_chip_ai_resetcore; - core = brcmf_chip_add_core(ci, BCMA_CORE_CHIPCOMMON, - SI_ENUM_BASE, - SI_ENUM_BASE + 0x100000); - - /* Address of cores for new chips should be added here */ - switch (ci->pub.chip) { - case BCM43143_CHIP_ID: - core->rev = 43; - core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, - BCM43143_CORE_BUS_BASE, - BCM43143_CORE_BUS_BASE + - 0x100000); - core->rev = 24; - core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, - BCM43143_CORE_SOCRAM_BASE, - BCM43143_CORE_SOCRAM_BASE + - 0x100000); - core->rev = 20; - core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, - BCM43143_CORE_ARM_BASE, - BCM43143_CORE_ARM_BASE + - 0x100000); - core->rev = 7; - break; - case BCM43241_CHIP_ID: - core->rev = 42; - core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, - 0x18002000, 0x18102000); - core->rev = 14; - core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, - 0x18004000, 0x18104000); - core->rev = 20; - core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, - 0x18003000, 0x18103000); - core->rev = 7; - break; - case BCM4330_CHIP_ID: - core->rev = 39; - core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, - 0x18002000, 0x18102000); - core->rev = 7; - core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, - 0x18004000, 0x18104000); - core->rev = 13; - core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, - 0x18003000, 0x18103000); - core->rev = 3; - break; - case BCM4334_CHIP_ID: - core->rev = 41; - core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, - 0x18002000, 0x18102000); - core->rev = 13; - core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, - 0x18004000, 0x18104000); - core->rev = 19; - core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, - 0x18003000, 0x18103000); - core->rev = 7; - break; - case BCM4335_CHIP_ID: - core->rev = 43; - core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, - 0x18005000, 0x18105000); - core->rev = 15; - core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CR4, - 0x18002000, 0x18102000); - core->rev = 1; - break; - case BCM43362_CHIP_ID: - core->rev = 39; - core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, - 0x18002000, 0x18102000); - core->rev = 10; - core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, - 0x18004000, 0x18104000); - core->rev = 8; - core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, - 0x18003000, 0x18103000); - core->rev = 3; - break; - case BCM4339_CHIP_ID: - core->rev = 46; - core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, - 0x18005000, 0x18105000); - core->rev = 21; - core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CR4, - 0x18002000, 0x18102000); - core->rev = 4; - break; - default: - brcmf_err("AXI chip is not supported\n"); - return -ENODEV; - } + brcmf_chip_dmp_erom_scan(ci); } else { brcmf_err("chip backplane type %u is not supported\n", socitype); return -ENODEV; } - /* add 802.11 core for all chips on same backplane address */ - core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0x18101000); - brcmf_chip_get_raminfo(ci); return brcmf_chip_cores_check(ci); @@ -652,7 +754,6 @@ static int brcmf_chip_setup(struct brcmf_chip_priv *chip) { struct brcmf_chip *pub; struct brcmf_core_priv *cc; - struct brcmf_core_priv *bus; u32 base; u32 val; int ret = 0; @@ -673,10 +774,8 @@ static int brcmf_chip_setup(struct brcmf_chip_priv *chip) pub->pmucaps = val; } - bus = list_next_entry(cc, list); - - brcmf_dbg(INFO, "ccrev=%d, pmurev=%d, buscore rev/type=%d/0x%x\n", - cc->pub.rev, pub->pmurev, bus->pub.rev, bus->pub.id); + brcmf_dbg(INFO, "ccrev=%d, pmurev=%d, pmucaps=0x%x\n", + cc->pub.rev, pub->pmurev, pub->pmucaps); /* execute bus core specific setup */ if (chip->ops->setup)