From e656bcbab0106aca52ec0b2db354c1336d39b3b3 Mon Sep 17 00:00:00 2001 From: =?utf8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 20 Apr 2023 09:58:03 +0200 Subject: [PATCH] kernel: add bcma/ssb fallback SPROM support MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This adds generic kernel support for Broadcom Fallback SPROMs so that it can be used in any target, even non Broadcom ones. Signed-off-by: Álvaro Fernández Rojas --- package/kernel/linux/modules/other.mk | 2 + .../280-activate_ssb_support_in_usb.patch | 4 +- .../036-v6.2-bcma-support-SPROM-rev-11.patch | 2 +- .../files/drivers/bcma/fallback-sprom.c | 749 +++++++++++++++++ .../files/drivers/ssb/fallback-sprom.c | 751 ++++++++++++++++++ .../810-bcma-ssb-fallback-sprom.patch | 169 ++++ .../810-bcma-ssb-fallback-sprom.patch | 169 ++++ 7 files changed, 1843 insertions(+), 3 deletions(-) create mode 100644 target/linux/generic/files/drivers/bcma/fallback-sprom.c create mode 100644 target/linux/generic/files/drivers/ssb/fallback-sprom.c create mode 100644 target/linux/generic/hack-5.10/810-bcma-ssb-fallback-sprom.patch create mode 100644 target/linux/generic/hack-5.15/810-bcma-ssb-fallback-sprom.patch diff --git a/package/kernel/linux/modules/other.mk b/package/kernel/linux/modules/other.mk index 1369a4ad54f1..262aca43242b 100644 --- a/package/kernel/linux/modules/other.mk +++ b/package/kernel/linux/modules/other.mk @@ -538,6 +538,7 @@ define KernelPackage/ssb CONFIG_SSB_DRIVER_MIPS=n \ CONFIG_SSB_DRIVER_PCICORE=y \ CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y \ + CONFIG_SSB_FALLBACK_SPROM=y \ CONFIG_SSB_PCIHOST=y \ CONFIG_SSB_PCIHOST_POSSIBLE=y \ CONFIG_SSB_POSSIBLE=y \ @@ -562,6 +563,7 @@ define KernelPackage/bcma CONFIG_BCMA \ CONFIG_BCMA_POSSIBLE=y \ CONFIG_BCMA_BLOCKIO=y \ + CONFIG_BCMA_FALLBACK_SPROM=y \ CONFIG_BCMA_HOST_PCI_POSSIBLE=y \ CONFIG_BCMA_HOST_PCI=y \ CONFIG_BCMA_HOST_SOC=n \ diff --git a/target/linux/bcm47xx/patches-5.15/280-activate_ssb_support_in_usb.patch b/target/linux/bcm47xx/patches-5.15/280-activate_ssb_support_in_usb.patch index de8bb4297d03..f6e9e6d30a62 100644 --- a/target/linux/bcm47xx/patches-5.15/280-activate_ssb_support_in_usb.patch +++ b/target/linux/bcm47xx/patches-5.15/280-activate_ssb_support_in_usb.patch @@ -5,7 +5,7 @@ This prevents the options from being delete with make kernel_oldconfig. --- a/drivers/bcma/Kconfig +++ b/drivers/bcma/Kconfig -@@ -32,6 +32,7 @@ config BCMA_HOST_PCI +@@ -36,6 +36,7 @@ config BCMA_HOST_PCI config BCMA_HOST_SOC bool "Support for BCMA in a SoC" depends on HAS_IOMEM @@ -15,7 +15,7 @@ This prevents the options from being delete with make kernel_oldconfig. the memory. This only works with the Broadcom SoCs from the --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig -@@ -136,6 +136,7 @@ config SSB_SFLASH +@@ -141,6 +141,7 @@ config SSB_SFLASH config SSB_EMBEDDED bool depends on SSB_DRIVER_MIPS && SSB_PCICORE_HOSTMODE diff --git a/target/linux/bcm53xx/patches-5.15/036-v6.2-bcma-support-SPROM-rev-11.patch b/target/linux/bcm53xx/patches-5.15/036-v6.2-bcma-support-SPROM-rev-11.patch index 7c9eb5537e1b..5ebc78ca2023 100644 --- a/target/linux/bcm53xx/patches-5.15/036-v6.2-bcma-support-SPROM-rev-11.patch +++ b/target/linux/bcm53xx/patches-5.15/036-v6.2-bcma-support-SPROM-rev-11.patch @@ -17,7 +17,7 @@ Signed-off-by: Linus Walleij --- a/drivers/bcma/sprom.c +++ b/drivers/bcma/sprom.c -@@ -165,7 +165,7 @@ static int bcma_sprom_valid(struct bcma_ +@@ -170,7 +170,7 @@ static int bcma_sprom_valid(struct bcma_ return err; revision = sprom[words - 1] & SSB_SPROM_REVISION_REV; diff --git a/target/linux/generic/files/drivers/bcma/fallback-sprom.c b/target/linux/generic/files/drivers/bcma/fallback-sprom.c new file mode 100644 index 000000000000..6da41cd3b473 --- /dev/null +++ b/target/linux/generic/files/drivers/bcma/fallback-sprom.c @@ -0,0 +1,749 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * BCMA Fallback SPROM Driver + * + * Copyright (C) 2020 Álvaro Fernández Rojas + * Copyright (C) 2014 Jonas Gorski + * Copyright (C) 2008 Maxime Bizon + * Copyright (C) 2008 Florian Fainelli + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define BCMA_FBS_MAX_SIZE 468 + +/* Get the word-offset for a SSB_SPROM_XXX define. */ +#define SPOFF(offset) ((offset) / sizeof(u16)) +/* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */ +#define SPEX16(_outvar, _offset, _mask, _shift) \ + out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift)) +#define SPEX32(_outvar, _offset, _mask, _shift) \ + out->_outvar = ((((u32)in[SPOFF((_offset)+2)] << 16 | \ + in[SPOFF(_offset)]) & (_mask)) >> (_shift)) +#define SPEX(_outvar, _offset, _mask, _shift) \ + SPEX16(_outvar, _offset, _mask, _shift) + +#define SPEX_ARRAY8(_field, _offset, _mask, _shift) \ + do { \ + SPEX(_field[0], _offset + 0, _mask, _shift); \ + SPEX(_field[1], _offset + 2, _mask, _shift); \ + SPEX(_field[2], _offset + 4, _mask, _shift); \ + SPEX(_field[3], _offset + 6, _mask, _shift); \ + SPEX(_field[4], _offset + 8, _mask, _shift); \ + SPEX(_field[5], _offset + 10, _mask, _shift); \ + SPEX(_field[6], _offset + 12, _mask, _shift); \ + SPEX(_field[7], _offset + 14, _mask, _shift); \ + } while (0) + +struct bcma_fbs { + struct device *dev; + struct list_head list; + struct ssb_sprom sprom; + u32 pci_bus; + u32 pci_dev; + u8 mac[ETH_ALEN]; + int devid_override; +}; + +static DEFINE_SPINLOCK(bcma_fbs_lock); +static struct list_head bcma_fbs_list = LIST_HEAD_INIT(bcma_fbs_list); + +int bcma_get_fallback_sprom(struct bcma_bus *bus, struct ssb_sprom *out) +{ + const u32 pci_bus = bus->host_pci->bus->number; + const u32 pci_dev = PCI_SLOT(bus->host_pci->devfn); + struct bcma_fbs *pos; + + list_for_each_entry(pos, &bcma_fbs_list, list) { + if (pos->pci_bus != pci_bus || + pos->pci_dev != pci_dev) + continue; + + if (pos->devid_override) + bus->host_pci->device = pos->sprom.dev_id; + + memcpy(out, &pos->sprom, sizeof(struct ssb_sprom)); + dev_info(pos->dev, "requested by [%x:%x]", + pos->pci_bus, pos->pci_dev); + + return 0; + } + + pr_err("unable to fill SPROM for [%x:%x]\n", pci_bus, pci_dev); + + return -EINVAL; +} + +static s8 sprom_extract_antgain(u8 sprom_revision, const u16 *in, u16 offset, + u16 mask, u16 shift) +{ + u16 v; + u8 gain; + + v = in[SPOFF(offset)]; + gain = (v & mask) >> shift; + if (gain == 0xFF) + gain = 2; /* If unset use 2dBm */ + if (sprom_revision == 1) { + /* Convert to Q5.2 */ + gain <<= 2; + } else { + /* Q5.2 Fractional part is stored in 0xC0 */ + gain = ((gain & 0xC0) >> 6) | ((gain & 0x3F) << 2); + } + + return (s8)gain; +} + +static void sprom_extract_r23(struct ssb_sprom *out, const u16 *in) +{ + SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0); + SPEX(opo, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0); + SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0); + SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0); + SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0); + SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0); + SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0); + SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0); + SPEX(maxpwr_ah, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0); + SPEX(maxpwr_al, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO, + SSB_SPROM2_MAXP_A_LO_SHIFT); +} + +static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in) +{ + u16 loc[3]; + + if (out->revision == 3) /* rev 3 moved MAC */ + loc[0] = SSB_SPROM3_IL0MAC; + else { + loc[0] = SSB_SPROM1_IL0MAC; + loc[1] = SSB_SPROM1_ET0MAC; + loc[2] = SSB_SPROM1_ET1MAC; + } + + SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0); + SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A, + SSB_SPROM1_ETHPHY_ET1A_SHIFT); + SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14); + SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15); + SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0); + SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0); + if (out->revision == 1) + SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE, + SSB_SPROM1_BINF_CCODE_SHIFT); + SPEX(ant_available_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA, + SSB_SPROM1_BINF_ANTA_SHIFT); + SPEX(ant_available_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG, + SSB_SPROM1_BINF_ANTBG_SHIFT); + SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0); + SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0); + SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0); + SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0); + SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0); + SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0); + SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0); + SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1, + SSB_SPROM1_GPIOA_P1_SHIFT); + SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0); + SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3, + SSB_SPROM1_GPIOB_P3_SHIFT); + SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A, + SSB_SPROM1_MAXPWR_A_SHIFT); + SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG, 0); + SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A, + SSB_SPROM1_ITSSI_A_SHIFT); + SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0); + SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0); + + SPEX(alpha2[0], SSB_SPROM1_CCODE, 0xff00, 8); + SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0); + + /* Extract the antenna gain values. */ + out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, + SSB_SPROM1_AGAIN, + SSB_SPROM1_AGAIN_BG, + SSB_SPROM1_AGAIN_BG_SHIFT); + out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, + SSB_SPROM1_AGAIN, + SSB_SPROM1_AGAIN_A, + SSB_SPROM1_AGAIN_A_SHIFT); + if (out->revision >= 2) + sprom_extract_r23(out, in); +} + +/* Revs 4 5 and 8 have partially shared layout */ +static void sprom_extract_r458(struct ssb_sprom *out, const u16 *in) +{ + SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01, + SSB_SPROM4_TXPID2G0, SSB_SPROM4_TXPID2G0_SHIFT); + SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01, + SSB_SPROM4_TXPID2G1, SSB_SPROM4_TXPID2G1_SHIFT); + SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23, + SSB_SPROM4_TXPID2G2, SSB_SPROM4_TXPID2G2_SHIFT); + SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23, + SSB_SPROM4_TXPID2G3, SSB_SPROM4_TXPID2G3_SHIFT); + + SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01, + SSB_SPROM4_TXPID5GL0, SSB_SPROM4_TXPID5GL0_SHIFT); + SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01, + SSB_SPROM4_TXPID5GL1, SSB_SPROM4_TXPID5GL1_SHIFT); + SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23, + SSB_SPROM4_TXPID5GL2, SSB_SPROM4_TXPID5GL2_SHIFT); + SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23, + SSB_SPROM4_TXPID5GL3, SSB_SPROM4_TXPID5GL3_SHIFT); + + SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01, + SSB_SPROM4_TXPID5G0, SSB_SPROM4_TXPID5G0_SHIFT); + SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01, + SSB_SPROM4_TXPID5G1, SSB_SPROM4_TXPID5G1_SHIFT); + SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23, + SSB_SPROM4_TXPID5G2, SSB_SPROM4_TXPID5G2_SHIFT); + SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23, + SSB_SPROM4_TXPID5G3, SSB_SPROM4_TXPID5G3_SHIFT); + + SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01, + SSB_SPROM4_TXPID5GH0, SSB_SPROM4_TXPID5GH0_SHIFT); + SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01, + SSB_SPROM4_TXPID5GH1, SSB_SPROM4_TXPID5GH1_SHIFT); + SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23, + SSB_SPROM4_TXPID5GH2, SSB_SPROM4_TXPID5GH2_SHIFT); + SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23, + SSB_SPROM4_TXPID5GH3, SSB_SPROM4_TXPID5GH3_SHIFT); +} + +static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in) +{ + static const u16 pwr_info_offset[] = { + SSB_SPROM4_PWR_INFO_CORE0, SSB_SPROM4_PWR_INFO_CORE1, + SSB_SPROM4_PWR_INFO_CORE2, SSB_SPROM4_PWR_INFO_CORE3 + }; + int i; + + BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) != + ARRAY_SIZE(out->core_pwr_info)); + + SPEX(et0phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET0A, 0); + SPEX(et1phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET1A, + SSB_SPROM4_ETHPHY_ET1A_SHIFT); + SPEX(board_rev, SSB_SPROM4_BOARDREV, 0xFFFF, 0); + SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0); + if (out->revision == 4) { + SPEX(alpha2[0], SSB_SPROM4_CCODE, 0xff00, 8); + SPEX(alpha2[1], SSB_SPROM4_CCODE, 0x00ff, 0); + SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0); + SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0); + SPEX(boardflags2_lo, SSB_SPROM4_BFL2LO, 0xFFFF, 0); + SPEX(boardflags2_hi, SSB_SPROM4_BFL2HI, 0xFFFF, 0); + } else { + SPEX(alpha2[0], SSB_SPROM5_CCODE, 0xff00, 8); + SPEX(alpha2[1], SSB_SPROM5_CCODE, 0x00ff, 0); + SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0); + SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 0xFFFF, 0); + SPEX(boardflags2_lo, SSB_SPROM5_BFL2LO, 0xFFFF, 0); + SPEX(boardflags2_hi, SSB_SPROM5_BFL2HI, 0xFFFF, 0); + } + SPEX(ant_available_a, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_A, + SSB_SPROM4_ANTAVAIL_A_SHIFT); + SPEX(ant_available_bg, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_BG, + SSB_SPROM4_ANTAVAIL_BG_SHIFT); + SPEX(maxpwr_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_MAXP_BG_MASK, 0); + SPEX(itssi_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_ITSSI_BG, + SSB_SPROM4_ITSSI_BG_SHIFT); + SPEX(maxpwr_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_MAXP_A_MASK, 0); + SPEX(itssi_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_ITSSI_A, + SSB_SPROM4_ITSSI_A_SHIFT); + if (out->revision == 4) { + SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0); + SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1, + SSB_SPROM4_GPIOA_P1_SHIFT); + SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0); + SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3, + SSB_SPROM4_GPIOB_P3_SHIFT); + } else { + SPEX(gpio0, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P0, 0); + SPEX(gpio1, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P1, + SSB_SPROM5_GPIOA_P1_SHIFT); + SPEX(gpio2, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P2, 0); + SPEX(gpio3, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P3, + SSB_SPROM5_GPIOB_P3_SHIFT); + } + + /* Extract the antenna gain values. */ + out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN01, + SSB_SPROM4_AGAIN0, + SSB_SPROM4_AGAIN0_SHIFT); + out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN01, + SSB_SPROM4_AGAIN1, + SSB_SPROM4_AGAIN1_SHIFT); + out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN23, + SSB_SPROM4_AGAIN2, + SSB_SPROM4_AGAIN2_SHIFT); + out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN23, + SSB_SPROM4_AGAIN3, + SSB_SPROM4_AGAIN3_SHIFT); + + /* Extract cores power info info */ + for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) { + u16 o = pwr_info_offset[i]; + + SPEX(core_pwr_info[i].itssi_2g, o + SSB_SPROM4_2G_MAXP_ITSSI, + SSB_SPROM4_2G_ITSSI, SSB_SPROM4_2G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SPROM4_2G_MAXP_ITSSI, + SSB_SPROM4_2G_MAXP, 0); + + SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SPROM4_2G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SPROM4_2G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SPROM4_2G_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[3], o + SSB_SPROM4_2G_PA_3, ~0, 0); + + SPEX(core_pwr_info[i].itssi_5g, o + SSB_SPROM4_5G_MAXP_ITSSI, + SSB_SPROM4_5G_ITSSI, SSB_SPROM4_5G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SPROM4_5G_MAXP_ITSSI, + SSB_SPROM4_5G_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM4_5GHL_MAXP, + SSB_SPROM4_5GH_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM4_5GHL_MAXP, + SSB_SPROM4_5GL_MAXP, SSB_SPROM4_5GL_MAXP_SHIFT); + + SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SPROM4_5GL_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SPROM4_5GL_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SPROM4_5GL_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[3], o + SSB_SPROM4_5GL_PA_3, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SPROM4_5G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SPROM4_5G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SPROM4_5G_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[3], o + SSB_SPROM4_5G_PA_3, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SPROM4_5GH_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SPROM4_5GH_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SPROM4_5GH_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[3], o + SSB_SPROM4_5GH_PA_3, ~0, 0); + } + + sprom_extract_r458(out, in); + + /* TODO - get remaining rev 4 stuff needed */ +} + +static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in) +{ + int i; + u16 o; + static const u16 pwr_info_offset[] = { + SSB_SROM8_PWR_INFO_CORE0, SSB_SROM8_PWR_INFO_CORE1, + SSB_SROM8_PWR_INFO_CORE2, SSB_SROM8_PWR_INFO_CORE3 + }; + BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) != + ARRAY_SIZE(out->core_pwr_info)); + + SPEX(board_rev, SSB_SPROM8_BOARDREV, 0xFFFF, 0); + SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0); + SPEX(alpha2[0], SSB_SPROM8_CCODE, 0xff00, 8); + SPEX(alpha2[1], SSB_SPROM8_CCODE, 0x00ff, 0); + SPEX(boardflags_lo, SSB_SPROM8_BFLLO, 0xFFFF, 0); + SPEX(boardflags_hi, SSB_SPROM8_BFLHI, 0xFFFF, 0); + SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, 0xFFFF, 0); + SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, 0xFFFF, 0); + SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A, + SSB_SPROM8_ANTAVAIL_A_SHIFT); + SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG, + SSB_SPROM8_ANTAVAIL_BG_SHIFT); + SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0); + SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG, + SSB_SPROM8_ITSSI_BG_SHIFT); + SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0); + SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A, + SSB_SPROM8_ITSSI_A_SHIFT); + SPEX(maxpwr_ah, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AH_MASK, 0); + SPEX(maxpwr_al, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AL_MASK, + SSB_SPROM8_MAXP_AL_SHIFT); + SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0); + SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1, + SSB_SPROM8_GPIOA_P1_SHIFT); + SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0); + SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3, + SSB_SPROM8_GPIOB_P3_SHIFT); + SPEX(tri2g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI2G, 0); + SPEX(tri5g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI5G, + SSB_SPROM8_TRI5G_SHIFT); + SPEX(tri5gl, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GL, 0); + SPEX(tri5gh, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GH, + SSB_SPROM8_TRI5GH_SHIFT); + SPEX(rxpo2g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO2G, 0); + SPEX(rxpo5g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO5G, + SSB_SPROM8_RXPO5G_SHIFT); + SPEX(rssismf2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMF2G, 0); + SPEX(rssismc2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMC2G, + SSB_SPROM8_RSSISMC2G_SHIFT); + SPEX(rssisav2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISAV2G, + SSB_SPROM8_RSSISAV2G_SHIFT); + SPEX(bxa2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_BXA2G, + SSB_SPROM8_BXA2G_SHIFT); + SPEX(rssismf5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMF5G, 0); + SPEX(rssismc5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMC5G, + SSB_SPROM8_RSSISMC5G_SHIFT); + SPEX(rssisav5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISAV5G, + SSB_SPROM8_RSSISAV5G_SHIFT); + SPEX(bxa5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_BXA5G, + SSB_SPROM8_BXA5G_SHIFT); + SPEX(pa0b0, SSB_SPROM8_PA0B0, 0xFFFF, 0); + SPEX(pa0b1, SSB_SPROM8_PA0B1, 0xFFFF, 0); + SPEX(pa0b2, SSB_SPROM8_PA0B2, 0xFFFF, 0); + SPEX(pa1b0, SSB_SPROM8_PA1B0, 0xFFFF, 0); + SPEX(pa1b1, SSB_SPROM8_PA1B1, 0xFFFF, 0); + SPEX(pa1b2, SSB_SPROM8_PA1B2, 0xFFFF, 0); + SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, 0xFFFF, 0); + SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, 0xFFFF, 0); + SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, 0xFFFF, 0); + SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, 0xFFFF, 0); + SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, 0xFFFF, 0); + SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, 0xFFFF, 0); + SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, 0xFFFF, 0); + SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, 0xFFFFFFFF, 0); + SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, 0xFFFFFFFF, 0); + SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, 0xFFFFFFFF, 0); + SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, 0xFFFFFFFF, 0); + + /* Extract the antenna gain values. */ + out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN01, + SSB_SPROM8_AGAIN0, + SSB_SPROM8_AGAIN0_SHIFT); + out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN01, + SSB_SPROM8_AGAIN1, + SSB_SPROM8_AGAIN1_SHIFT); + out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN23, + SSB_SPROM8_AGAIN2, + SSB_SPROM8_AGAIN2_SHIFT); + out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN23, + SSB_SPROM8_AGAIN3, + SSB_SPROM8_AGAIN3_SHIFT); + + /* Extract cores power info info */ + for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) { + o = pwr_info_offset[i]; + SPEX(core_pwr_info[i].itssi_2g, o + SSB_SROM8_2G_MAXP_ITSSI, + SSB_SPROM8_2G_ITSSI, SSB_SPROM8_2G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SROM8_2G_MAXP_ITSSI, + SSB_SPROM8_2G_MAXP, 0); + + SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SROM8_2G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SROM8_2G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SROM8_2G_PA_2, ~0, 0); + + SPEX(core_pwr_info[i].itssi_5g, o + SSB_SROM8_5G_MAXP_ITSSI, + SSB_SPROM8_5G_ITSSI, SSB_SPROM8_5G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SROM8_5G_MAXP_ITSSI, + SSB_SPROM8_5G_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM8_5GHL_MAXP, + SSB_SPROM8_5GH_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM8_5GHL_MAXP, + SSB_SPROM8_5GL_MAXP, SSB_SPROM8_5GL_MAXP_SHIFT); + + SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SROM8_5GL_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SROM8_5GL_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SROM8_5GL_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SROM8_5G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SROM8_5G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SROM8_5G_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SROM8_5GH_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SROM8_5GH_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SROM8_5GH_PA_2, ~0, 0); + } + + /* Extract FEM info */ + SPEX(fem.ghz2.tssipos, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT); + SPEX(fem.ghz2.extpa_gain, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT); + SPEX(fem.ghz2.pdet_range, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT); + SPEX(fem.ghz2.tr_iso, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT); + SPEX(fem.ghz2.antswlut, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT); + + SPEX(fem.ghz5.tssipos, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT); + SPEX(fem.ghz5.extpa_gain, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT); + SPEX(fem.ghz5.pdet_range, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT); + SPEX(fem.ghz5.tr_iso, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT); + SPEX(fem.ghz5.antswlut, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT); + + SPEX(leddc_on_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_ON, + SSB_SPROM8_LEDDC_ON_SHIFT); + SPEX(leddc_off_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_OFF, + SSB_SPROM8_LEDDC_OFF_SHIFT); + + SPEX(txchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_TXCHAIN, + SSB_SPROM8_TXRXC_TXCHAIN_SHIFT); + SPEX(rxchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_RXCHAIN, + SSB_SPROM8_TXRXC_RXCHAIN_SHIFT); + SPEX(antswitch, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_SWITCH, + SSB_SPROM8_TXRXC_SWITCH_SHIFT); + + SPEX(opo, SSB_SPROM8_OFDM2GPO, 0x00ff, 0); + + SPEX_ARRAY8(mcs2gpo, SSB_SPROM8_2G_MCSPO, ~0, 0); + SPEX_ARRAY8(mcs5gpo, SSB_SPROM8_5G_MCSPO, ~0, 0); + SPEX_ARRAY8(mcs5glpo, SSB_SPROM8_5GL_MCSPO, ~0, 0); + SPEX_ARRAY8(mcs5ghpo, SSB_SPROM8_5GH_MCSPO, ~0, 0); + + SPEX(rawtempsense, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_RAWTEMP, + SSB_SPROM8_RAWTS_RAWTEMP_SHIFT); + SPEX(measpower, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_MEASPOWER, + SSB_SPROM8_RAWTS_MEASPOWER_SHIFT); + SPEX(tempsense_slope, SSB_SPROM8_OPT_CORRX, + SSB_SPROM8_OPT_CORRX_TEMP_SLOPE, + SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT); + SPEX(tempcorrx, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMPCORRX, + SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT); + SPEX(tempsense_option, SSB_SPROM8_OPT_CORRX, + SSB_SPROM8_OPT_CORRX_TEMP_OPTION, + SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT); + SPEX(freqoffset_corr, SSB_SPROM8_HWIQ_IQSWP, + SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR, + SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT); + SPEX(iqcal_swp_dis, SSB_SPROM8_HWIQ_IQSWP, + SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP, + SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT); + SPEX(hw_iqcal_en, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL, + SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT); + + SPEX(bw40po, SSB_SPROM8_BW40PO, ~0, 0); + SPEX(cddpo, SSB_SPROM8_CDDPO, ~0, 0); + SPEX(stbcpo, SSB_SPROM8_STBCPO, ~0, 0); + SPEX(bwduppo, SSB_SPROM8_BWDUPPO, ~0, 0); + + SPEX(tempthresh, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_TRESH, + SSB_SPROM8_THERMAL_TRESH_SHIFT); + SPEX(tempoffset, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_OFFSET, + SSB_SPROM8_THERMAL_OFFSET_SHIFT); + SPEX(phycal_tempdelta, SSB_SPROM8_TEMPDELTA, + SSB_SPROM8_TEMPDELTA_PHYCAL, + SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT); + SPEX(temps_period, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_PERIOD, + SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT); + SPEX(temps_hysteresis, SSB_SPROM8_TEMPDELTA, + SSB_SPROM8_TEMPDELTA_HYSTERESIS, + SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT); + sprom_extract_r458(out, in); + + /* TODO - get remaining rev 8 stuff needed */ +} + +static int sprom_extract(struct bcma_fbs *priv, const u16 *in, u16 size) +{ + struct ssb_sprom *out = &priv->sprom; + + memset(out, 0, sizeof(*out)); + + out->revision = in[size - 1] & 0x00FF; + memset(out->et0mac, 0xFF, 6); + memset(out->et1mac, 0xFF, 6); + + switch (out->revision) { + case 1: + case 2: + case 3: + sprom_extract_r123(out, in); + break; + case 4: + case 5: + sprom_extract_r45(out, in); + break; + case 8: + sprom_extract_r8(out, in); + break; + default: + dev_warn(priv->dev, + "Unsupported SPROM revision %d detected." + " Will extract v1\n", + out->revision); + out->revision = 1; + sprom_extract_r123(out, in); + } + + if (out->boardflags_lo == 0xFFFF) + out->boardflags_lo = 0; /* per specs */ + if (out->boardflags_hi == 0xFFFF) + out->boardflags_hi = 0; /* per specs */ + + return 0; +} + +static void bcma_fbs_fixup(struct bcma_fbs *priv, u16 *sprom) +{ + struct device_node *node = priv->dev->of_node; + u32 fixups, off, val; + int i = 0; + + if (!of_get_property(node, "brcm,sprom-fixups", &fixups)) + return; + + fixups /= sizeof(u32); + + dev_info(priv->dev, "patching SPROM with %u fixups...\n", fixups >> 1); + + while (i < fixups) { + if (of_property_read_u32_index(node, "brcm,sprom-fixups", + i++, &off)) { + dev_err(priv->dev, "error reading fixup[%u] offset\n", + i - 1); + return; + } + + if (of_property_read_u32_index(node, "brcm,sprom-fixups", + i++, &val)) { + dev_err(priv->dev, "error reading fixup[%u] value\n", + i - 1); + return; + } + + dev_dbg(priv->dev, "fixup[%d]=0x%04x\n", off, val); + + sprom[off] = val; + } +} + +static int sprom_override_devid(struct bcma_fbs *priv, struct ssb_sprom *out, + const u16 *in) +{ + SPEX(dev_id, 0x0060, 0xFFFF, 0); + return !!out->dev_id; +} + +static void bcma_fbs_set(struct bcma_fbs *priv, struct device_node *node) +{ + struct ssb_sprom *sprom = &priv->sprom; + const struct firmware *fw; + const char *sprom_name; + int err; + + if (of_property_read_string(node, "brcm,sprom", &sprom_name)) + sprom_name = NULL; + + if (sprom_name) { + err = request_firmware_direct(&fw, sprom_name, priv->dev); + if (err) + dev_err(priv->dev, "%s load error\n", sprom_name); + } else { + err = -ENOENT; + } + + if (err) { + sprom->revision = 0x02; + sprom->board_rev = 0x0017; + sprom->country_code = 0x00; + sprom->ant_available_bg = 0x03; + sprom->pa0b0 = 0x15ae; + sprom->pa0b1 = 0xfa85; + sprom->pa0b2 = 0xfe8d; + sprom->pa1b0 = 0xffff; + sprom->pa1b1 = 0xffff; + sprom->pa1b2 = 0xffff; + sprom->gpio0 = 0xff; + sprom->gpio1 = 0xff; + sprom->gpio2 = 0xff; + sprom->gpio3 = 0xff; + sprom->maxpwr_bg = 0x4c; + sprom->itssi_bg = 0x00; + sprom->boardflags_lo = 0x2848; + sprom->boardflags_hi = 0x0000; + priv->devid_override = 0; + + dev_warn(priv->dev, "using basic SPROM\n"); + } else { + size_t size = min(fw->size, (size_t) BCMA_FBS_MAX_SIZE); + u16 tmp_sprom[BCMA_FBS_MAX_SIZE >> 1]; + u32 i, j; + + for (i = 0, j = 0; i < size; i += 2, j++) + tmp_sprom[j] = (fw->data[i] << 8) | fw->data[i + 1]; + + release_firmware(fw); + bcma_fbs_fixup(priv, tmp_sprom); + sprom_extract(priv, tmp_sprom, size >> 1); + + priv->devid_override = sprom_override_devid(priv, sprom, + tmp_sprom); + } +} + +static int bcma_fbs_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->of_node; + struct bcma_fbs *priv; + unsigned long flags; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->dev = dev; + + bcma_fbs_set(priv, node); + + of_property_read_u32(node, "pci-bus", &priv->pci_bus); + of_property_read_u32(node, "pci-dev", &priv->pci_dev); + + of_get_mac_address(node, priv->mac); + if (is_valid_ether_addr(priv->mac)) { + dev_info(dev, "mtd mac %pM\n", priv->mac); + } else { + random_ether_addr(priv->mac); + dev_info(dev, "random mac %pM\n", priv->mac); + } + + memcpy(priv->sprom.il0mac, priv->mac, ETH_ALEN); + memcpy(priv->sprom.et0mac, priv->mac, ETH_ALEN); + memcpy(priv->sprom.et1mac, priv->mac, ETH_ALEN); + memcpy(priv->sprom.et2mac, priv->mac, ETH_ALEN); + + spin_lock_irqsave(&bcma_fbs_lock, flags); + list_add(&priv->list, &bcma_fbs_list); + spin_unlock_irqrestore(&bcma_fbs_lock, flags); + + dev_info(dev, "registered SPROM for [%x:%x]\n", + priv->pci_bus, priv->pci_dev); + + return 0; +} + +static const struct of_device_id bcma_fbs_of_match[] = { + { .compatible = "brcm,bcma-sprom", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, bcma_fbs_of_match); + +static struct platform_driver bcma_fbs_driver = { + .probe = bcma_fbs_probe, + .driver = { + .name = "bcma-sprom", + .of_match_table = bcma_fbs_of_match, + }, +}; + +int __init bcma_fbs_register(void) +{ + return platform_driver_register(&bcma_fbs_driver); +} diff --git a/target/linux/generic/files/drivers/ssb/fallback-sprom.c b/target/linux/generic/files/drivers/ssb/fallback-sprom.c new file mode 100644 index 000000000000..93001d20d7a3 --- /dev/null +++ b/target/linux/generic/files/drivers/ssb/fallback-sprom.c @@ -0,0 +1,751 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * SSB Fallback SPROM Driver + * + * Copyright (C) 2020 Álvaro Fernández Rojas + * Copyright (C) 2014 Jonas Gorski + * Copyright (C) 2008 Maxime Bizon + * Copyright (C) 2008 Florian Fainelli + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define SSB_FBS_MAX_SIZE 440 + +/* Get the word-offset for a SSB_SPROM_XXX define. */ +#define SPOFF(offset) ((offset) / sizeof(u16)) +/* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */ +#define SPEX16(_outvar, _offset, _mask, _shift) \ + out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift)) +#define SPEX32(_outvar, _offset, _mask, _shift) \ + out->_outvar = ((((u32)in[SPOFF((_offset)+2)] << 16 | \ + in[SPOFF(_offset)]) & (_mask)) >> (_shift)) +#define SPEX(_outvar, _offset, _mask, _shift) \ + SPEX16(_outvar, _offset, _mask, _shift) + +#define SPEX_ARRAY8(_field, _offset, _mask, _shift) \ + do { \ + SPEX(_field[0], _offset + 0, _mask, _shift); \ + SPEX(_field[1], _offset + 2, _mask, _shift); \ + SPEX(_field[2], _offset + 4, _mask, _shift); \ + SPEX(_field[3], _offset + 6, _mask, _shift); \ + SPEX(_field[4], _offset + 8, _mask, _shift); \ + SPEX(_field[5], _offset + 10, _mask, _shift); \ + SPEX(_field[6], _offset + 12, _mask, _shift); \ + SPEX(_field[7], _offset + 14, _mask, _shift); \ + } while (0) + +struct ssb_fbs { + struct device *dev; + struct list_head list; + struct ssb_sprom sprom; + u32 pci_bus; + u32 pci_dev; + u8 mac[ETH_ALEN]; + int devid_override; +}; + +static DEFINE_SPINLOCK(ssb_fbs_lock); +static struct list_head ssb_fbs_list = LIST_HEAD_INIT(ssb_fbs_list); + +int ssb_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out) +{ + const u32 pci_bus = bus->host_pci->bus->number; + const u32 pci_dev = PCI_SLOT(bus->host_pci->devfn); + struct ssb_fbs *pos; + + list_for_each_entry(pos, &ssb_fbs_list, list) { + if (pos->pci_bus != pci_bus || + pos->pci_dev != pci_dev) + continue; + + if (pos->devid_override) + bus->host_pci->device = pos->sprom.dev_id; + + memcpy(out, &pos->sprom, sizeof(struct ssb_sprom)); + dev_info(pos->dev, "requested by [%x:%x]", + pos->pci_bus, pos->pci_dev); + + return 0; + } + + pr_err("unable to fill SPROM for [%x:%x]\n", pci_bus, pci_dev); + + return -EINVAL; +} + +static s8 sprom_extract_antgain(u8 sprom_revision, const u16 *in, u16 offset, + u16 mask, u16 shift) +{ + u16 v; + u8 gain; + + v = in[SPOFF(offset)]; + gain = (v & mask) >> shift; + if (gain == 0xFF) + gain = 2; /* If unset use 2dBm */ + if (sprom_revision == 1) { + /* Convert to Q5.2 */ + gain <<= 2; + } else { + /* Q5.2 Fractional part is stored in 0xC0 */ + gain = ((gain & 0xC0) >> 6) | ((gain & 0x3F) << 2); + } + + return (s8)gain; +} + +static void sprom_extract_r23(struct ssb_sprom *out, const u16 *in) +{ + SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0); + SPEX(opo, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0); + SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0); + SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0); + SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0); + SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0); + SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0); + SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0); + SPEX(maxpwr_ah, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0); + SPEX(maxpwr_al, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO, + SSB_SPROM2_MAXP_A_LO_SHIFT); +} + +static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in) +{ + u16 loc[3]; + + if (out->revision == 3) /* rev 3 moved MAC */ + loc[0] = SSB_SPROM3_IL0MAC; + else { + loc[0] = SSB_SPROM1_IL0MAC; + loc[1] = SSB_SPROM1_ET0MAC; + loc[2] = SSB_SPROM1_ET1MAC; + } + + SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0); + SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A, + SSB_SPROM1_ETHPHY_ET1A_SHIFT); + SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14); + SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15); + SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0); + SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0); + if (out->revision == 1) + SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE, + SSB_SPROM1_BINF_CCODE_SHIFT); + SPEX(ant_available_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA, + SSB_SPROM1_BINF_ANTA_SHIFT); + SPEX(ant_available_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG, + SSB_SPROM1_BINF_ANTBG_SHIFT); + SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0); + SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0); + SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0); + SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0); + SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0); + SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0); + SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0); + SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1, + SSB_SPROM1_GPIOA_P1_SHIFT); + SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0); + SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3, + SSB_SPROM1_GPIOB_P3_SHIFT); + SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A, + SSB_SPROM1_MAXPWR_A_SHIFT); + SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG, 0); + SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A, + SSB_SPROM1_ITSSI_A_SHIFT); + SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0); + SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0); + + SPEX(alpha2[0], SSB_SPROM1_CCODE, 0xff00, 8); + SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0); + + /* Extract the antenna gain values. */ + out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, + SSB_SPROM1_AGAIN, + SSB_SPROM1_AGAIN_BG, + SSB_SPROM1_AGAIN_BG_SHIFT); + out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, + SSB_SPROM1_AGAIN, + SSB_SPROM1_AGAIN_A, + SSB_SPROM1_AGAIN_A_SHIFT); + if (out->revision >= 2) + sprom_extract_r23(out, in); +} + +/* Revs 4 5 and 8 have partially shared layout */ +static void sprom_extract_r458(struct ssb_sprom *out, const u16 *in) +{ + SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01, + SSB_SPROM4_TXPID2G0, SSB_SPROM4_TXPID2G0_SHIFT); + SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01, + SSB_SPROM4_TXPID2G1, SSB_SPROM4_TXPID2G1_SHIFT); + SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23, + SSB_SPROM4_TXPID2G2, SSB_SPROM4_TXPID2G2_SHIFT); + SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23, + SSB_SPROM4_TXPID2G3, SSB_SPROM4_TXPID2G3_SHIFT); + + SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01, + SSB_SPROM4_TXPID5GL0, SSB_SPROM4_TXPID5GL0_SHIFT); + SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01, + SSB_SPROM4_TXPID5GL1, SSB_SPROM4_TXPID5GL1_SHIFT); + SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23, + SSB_SPROM4_TXPID5GL2, SSB_SPROM4_TXPID5GL2_SHIFT); + SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23, + SSB_SPROM4_TXPID5GL3, SSB_SPROM4_TXPID5GL3_SHIFT); + + SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01, + SSB_SPROM4_TXPID5G0, SSB_SPROM4_TXPID5G0_SHIFT); + SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01, + SSB_SPROM4_TXPID5G1, SSB_SPROM4_TXPID5G1_SHIFT); + SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23, + SSB_SPROM4_TXPID5G2, SSB_SPROM4_TXPID5G2_SHIFT); + SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23, + SSB_SPROM4_TXPID5G3, SSB_SPROM4_TXPID5G3_SHIFT); + + SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01, + SSB_SPROM4_TXPID5GH0, SSB_SPROM4_TXPID5GH0_SHIFT); + SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01, + SSB_SPROM4_TXPID5GH1, SSB_SPROM4_TXPID5GH1_SHIFT); + SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23, + SSB_SPROM4_TXPID5GH2, SSB_SPROM4_TXPID5GH2_SHIFT); + SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23, + SSB_SPROM4_TXPID5GH3, SSB_SPROM4_TXPID5GH3_SHIFT); +} + +static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in) +{ + static const u16 pwr_info_offset[] = { + SSB_SPROM4_PWR_INFO_CORE0, SSB_SPROM4_PWR_INFO_CORE1, + SSB_SPROM4_PWR_INFO_CORE2, SSB_SPROM4_PWR_INFO_CORE3 + }; + int i; + + BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) != + ARRAY_SIZE(out->core_pwr_info)); + + SPEX(et0phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET0A, 0); + SPEX(et1phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET1A, + SSB_SPROM4_ETHPHY_ET1A_SHIFT); + SPEX(board_rev, SSB_SPROM4_BOARDREV, 0xFFFF, 0); + SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0); + if (out->revision == 4) { + SPEX(alpha2[0], SSB_SPROM4_CCODE, 0xff00, 8); + SPEX(alpha2[1], SSB_SPROM4_CCODE, 0x00ff, 0); + SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0); + SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0); + SPEX(boardflags2_lo, SSB_SPROM4_BFL2LO, 0xFFFF, 0); + SPEX(boardflags2_hi, SSB_SPROM4_BFL2HI, 0xFFFF, 0); + } else { + SPEX(alpha2[0], SSB_SPROM5_CCODE, 0xff00, 8); + SPEX(alpha2[1], SSB_SPROM5_CCODE, 0x00ff, 0); + SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0); + SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 0xFFFF, 0); + SPEX(boardflags2_lo, SSB_SPROM5_BFL2LO, 0xFFFF, 0); + SPEX(boardflags2_hi, SSB_SPROM5_BFL2HI, 0xFFFF, 0); + } + SPEX(ant_available_a, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_A, + SSB_SPROM4_ANTAVAIL_A_SHIFT); + SPEX(ant_available_bg, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_BG, + SSB_SPROM4_ANTAVAIL_BG_SHIFT); + SPEX(maxpwr_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_MAXP_BG_MASK, 0); + SPEX(itssi_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_ITSSI_BG, + SSB_SPROM4_ITSSI_BG_SHIFT); + SPEX(maxpwr_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_MAXP_A_MASK, 0); + SPEX(itssi_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_ITSSI_A, + SSB_SPROM4_ITSSI_A_SHIFT); + if (out->revision == 4) { + SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0); + SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1, + SSB_SPROM4_GPIOA_P1_SHIFT); + SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0); + SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3, + SSB_SPROM4_GPIOB_P3_SHIFT); + } else { + SPEX(gpio0, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P0, 0); + SPEX(gpio1, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P1, + SSB_SPROM5_GPIOA_P1_SHIFT); + SPEX(gpio2, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P2, 0); + SPEX(gpio3, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P3, + SSB_SPROM5_GPIOB_P3_SHIFT); + } + + /* Extract the antenna gain values. */ + out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN01, + SSB_SPROM4_AGAIN0, + SSB_SPROM4_AGAIN0_SHIFT); + out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN01, + SSB_SPROM4_AGAIN1, + SSB_SPROM4_AGAIN1_SHIFT); + out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN23, + SSB_SPROM4_AGAIN2, + SSB_SPROM4_AGAIN2_SHIFT); + out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN23, + SSB_SPROM4_AGAIN3, + SSB_SPROM4_AGAIN3_SHIFT); + + /* Extract cores power info info */ + for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) { + u16 o = pwr_info_offset[i]; + + SPEX(core_pwr_info[i].itssi_2g, o + SSB_SPROM4_2G_MAXP_ITSSI, + SSB_SPROM4_2G_ITSSI, SSB_SPROM4_2G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SPROM4_2G_MAXP_ITSSI, + SSB_SPROM4_2G_MAXP, 0); + + SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SPROM4_2G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SPROM4_2G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SPROM4_2G_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[3], o + SSB_SPROM4_2G_PA_3, ~0, 0); + + SPEX(core_pwr_info[i].itssi_5g, o + SSB_SPROM4_5G_MAXP_ITSSI, + SSB_SPROM4_5G_ITSSI, SSB_SPROM4_5G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SPROM4_5G_MAXP_ITSSI, + SSB_SPROM4_5G_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM4_5GHL_MAXP, + SSB_SPROM4_5GH_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM4_5GHL_MAXP, + SSB_SPROM4_5GL_MAXP, SSB_SPROM4_5GL_MAXP_SHIFT); + + SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SPROM4_5GL_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SPROM4_5GL_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SPROM4_5GL_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[3], o + SSB_SPROM4_5GL_PA_3, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SPROM4_5G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SPROM4_5G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SPROM4_5G_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[3], o + SSB_SPROM4_5G_PA_3, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SPROM4_5GH_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SPROM4_5GH_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SPROM4_5GH_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[3], o + SSB_SPROM4_5GH_PA_3, ~0, 0); + } + + sprom_extract_r458(out, in); + + /* TODO - get remaining rev 4 stuff needed */ +} + +static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in) +{ + int i; + u16 o; + static const u16 pwr_info_offset[] = { + SSB_SROM8_PWR_INFO_CORE0, SSB_SROM8_PWR_INFO_CORE1, + SSB_SROM8_PWR_INFO_CORE2, SSB_SROM8_PWR_INFO_CORE3 + }; + BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) != + ARRAY_SIZE(out->core_pwr_info)); + + SPEX(board_rev, SSB_SPROM8_BOARDREV, 0xFFFF, 0); + SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0); + SPEX(alpha2[0], SSB_SPROM8_CCODE, 0xff00, 8); + SPEX(alpha2[1], SSB_SPROM8_CCODE, 0x00ff, 0); + SPEX(boardflags_lo, SSB_SPROM8_BFLLO, 0xFFFF, 0); + SPEX(boardflags_hi, SSB_SPROM8_BFLHI, 0xFFFF, 0); + SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, 0xFFFF, 0); + SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, 0xFFFF, 0); + SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A, + SSB_SPROM8_ANTAVAIL_A_SHIFT); + SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG, + SSB_SPROM8_ANTAVAIL_BG_SHIFT); + SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0); + SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG, + SSB_SPROM8_ITSSI_BG_SHIFT); + SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0); + SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A, + SSB_SPROM8_ITSSI_A_SHIFT); + SPEX(maxpwr_ah, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AH_MASK, 0); + SPEX(maxpwr_al, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AL_MASK, + SSB_SPROM8_MAXP_AL_SHIFT); + SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0); + SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1, + SSB_SPROM8_GPIOA_P1_SHIFT); + SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0); + SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3, + SSB_SPROM8_GPIOB_P3_SHIFT); + SPEX(tri2g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI2G, 0); + SPEX(tri5g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI5G, + SSB_SPROM8_TRI5G_SHIFT); + SPEX(tri5gl, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GL, 0); + SPEX(tri5gh, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GH, + SSB_SPROM8_TRI5GH_SHIFT); + SPEX(rxpo2g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO2G, 0); + SPEX(rxpo5g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO5G, + SSB_SPROM8_RXPO5G_SHIFT); + SPEX(rssismf2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMF2G, 0); + SPEX(rssismc2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMC2G, + SSB_SPROM8_RSSISMC2G_SHIFT); + SPEX(rssisav2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISAV2G, + SSB_SPROM8_RSSISAV2G_SHIFT); + SPEX(bxa2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_BXA2G, + SSB_SPROM8_BXA2G_SHIFT); + SPEX(rssismf5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMF5G, 0); + SPEX(rssismc5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMC5G, + SSB_SPROM8_RSSISMC5G_SHIFT); + SPEX(rssisav5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISAV5G, + SSB_SPROM8_RSSISAV5G_SHIFT); + SPEX(bxa5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_BXA5G, + SSB_SPROM8_BXA5G_SHIFT); + SPEX(pa0b0, SSB_SPROM8_PA0B0, 0xFFFF, 0); + SPEX(pa0b1, SSB_SPROM8_PA0B1, 0xFFFF, 0); + SPEX(pa0b2, SSB_SPROM8_PA0B2, 0xFFFF, 0); + SPEX(pa1b0, SSB_SPROM8_PA1B0, 0xFFFF, 0); + SPEX(pa1b1, SSB_SPROM8_PA1B1, 0xFFFF, 0); + SPEX(pa1b2, SSB_SPROM8_PA1B2, 0xFFFF, 0); + SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, 0xFFFF, 0); + SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, 0xFFFF, 0); + SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, 0xFFFF, 0); + SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, 0xFFFF, 0); + SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, 0xFFFF, 0); + SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, 0xFFFF, 0); + SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, 0xFFFF, 0); + SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, 0xFFFFFFFF, 0); + SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, 0xFFFFFFFF, 0); + SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, 0xFFFFFFFF, 0); + SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, 0xFFFFFFFF, 0); + + /* Extract the antenna gain values. */ + out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN01, + SSB_SPROM8_AGAIN0, + SSB_SPROM8_AGAIN0_SHIFT); + out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN01, + SSB_SPROM8_AGAIN1, + SSB_SPROM8_AGAIN1_SHIFT); + out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN23, + SSB_SPROM8_AGAIN2, + SSB_SPROM8_AGAIN2_SHIFT); + out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN23, + SSB_SPROM8_AGAIN3, + SSB_SPROM8_AGAIN3_SHIFT); + + /* Extract cores power info info */ + for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) { + o = pwr_info_offset[i]; + SPEX(core_pwr_info[i].itssi_2g, o + SSB_SROM8_2G_MAXP_ITSSI, + SSB_SPROM8_2G_ITSSI, SSB_SPROM8_2G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SROM8_2G_MAXP_ITSSI, + SSB_SPROM8_2G_MAXP, 0); + + SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SROM8_2G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SROM8_2G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SROM8_2G_PA_2, ~0, 0); + + SPEX(core_pwr_info[i].itssi_5g, o + SSB_SROM8_5G_MAXP_ITSSI, + SSB_SPROM8_5G_ITSSI, SSB_SPROM8_5G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SROM8_5G_MAXP_ITSSI, + SSB_SPROM8_5G_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM8_5GHL_MAXP, + SSB_SPROM8_5GH_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM8_5GHL_MAXP, + SSB_SPROM8_5GL_MAXP, SSB_SPROM8_5GL_MAXP_SHIFT); + + SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SROM8_5GL_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SROM8_5GL_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SROM8_5GL_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SROM8_5G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SROM8_5G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SROM8_5G_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SROM8_5GH_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SROM8_5GH_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SROM8_5GH_PA_2, ~0, 0); + } + + /* Extract FEM info */ + SPEX(fem.ghz2.tssipos, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT); + SPEX(fem.ghz2.extpa_gain, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT); + SPEX(fem.ghz2.pdet_range, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT); + SPEX(fem.ghz2.tr_iso, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT); + SPEX(fem.ghz2.antswlut, SSB_SPROM8_FEM2G, + SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT); + + SPEX(fem.ghz5.tssipos, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT); + SPEX(fem.ghz5.extpa_gain, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT); + SPEX(fem.ghz5.pdet_range, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT); + SPEX(fem.ghz5.tr_iso, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT); + SPEX(fem.ghz5.antswlut, SSB_SPROM8_FEM5G, + SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT); + + SPEX(leddc_on_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_ON, + SSB_SPROM8_LEDDC_ON_SHIFT); + SPEX(leddc_off_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_OFF, + SSB_SPROM8_LEDDC_OFF_SHIFT); + + SPEX(txchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_TXCHAIN, + SSB_SPROM8_TXRXC_TXCHAIN_SHIFT); + SPEX(rxchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_RXCHAIN, + SSB_SPROM8_TXRXC_RXCHAIN_SHIFT); + SPEX(antswitch, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_SWITCH, + SSB_SPROM8_TXRXC_SWITCH_SHIFT); + + SPEX(opo, SSB_SPROM8_OFDM2GPO, 0x00ff, 0); + + SPEX_ARRAY8(mcs2gpo, SSB_SPROM8_2G_MCSPO, ~0, 0); + SPEX_ARRAY8(mcs5gpo, SSB_SPROM8_5G_MCSPO, ~0, 0); + SPEX_ARRAY8(mcs5glpo, SSB_SPROM8_5GL_MCSPO, ~0, 0); + SPEX_ARRAY8(mcs5ghpo, SSB_SPROM8_5GH_MCSPO, ~0, 0); + + SPEX(rawtempsense, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_RAWTEMP, + SSB_SPROM8_RAWTS_RAWTEMP_SHIFT); + SPEX(measpower, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_MEASPOWER, + SSB_SPROM8_RAWTS_MEASPOWER_SHIFT); + SPEX(tempsense_slope, SSB_SPROM8_OPT_CORRX, + SSB_SPROM8_OPT_CORRX_TEMP_SLOPE, + SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT); + SPEX(tempcorrx, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMPCORRX, + SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT); + SPEX(tempsense_option, SSB_SPROM8_OPT_CORRX, + SSB_SPROM8_OPT_CORRX_TEMP_OPTION, + SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT); + SPEX(freqoffset_corr, SSB_SPROM8_HWIQ_IQSWP, + SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR, + SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT); + SPEX(iqcal_swp_dis, SSB_SPROM8_HWIQ_IQSWP, + SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP, + SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT); + SPEX(hw_iqcal_en, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL, + SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT); + + SPEX(bw40po, SSB_SPROM8_BW40PO, ~0, 0); + SPEX(cddpo, SSB_SPROM8_CDDPO, ~0, 0); + SPEX(stbcpo, SSB_SPROM8_STBCPO, ~0, 0); + SPEX(bwduppo, SSB_SPROM8_BWDUPPO, ~0, 0); + + SPEX(tempthresh, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_TRESH, + SSB_SPROM8_THERMAL_TRESH_SHIFT); + SPEX(tempoffset, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_OFFSET, + SSB_SPROM8_THERMAL_OFFSET_SHIFT); + SPEX(phycal_tempdelta, SSB_SPROM8_TEMPDELTA, + SSB_SPROM8_TEMPDELTA_PHYCAL, + SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT); + SPEX(temps_period, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_PERIOD, + SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT); + SPEX(temps_hysteresis, SSB_SPROM8_TEMPDELTA, + SSB_SPROM8_TEMPDELTA_HYSTERESIS, + SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT); + sprom_extract_r458(out, in); + + /* TODO - get remaining rev 8 stuff needed */ +} + +static int sprom_extract(struct ssb_fbs *priv, const u16 *in, u16 size) +{ + struct ssb_sprom *out = &priv->sprom; + + memset(out, 0, sizeof(*out)); + + out->revision = in[size - 1] & 0x00FF; + memset(out->et0mac, 0xFF, 6); + memset(out->et1mac, 0xFF, 6); + + switch (out->revision) { + case 1: + case 2: + case 3: + sprom_extract_r123(out, in); + break; + case 4: + case 5: + sprom_extract_r45(out, in); + break; + case 8: + sprom_extract_r8(out, in); + break; + default: + dev_warn(priv->dev, + "Unsupported SPROM revision %d detected." + " Will extract v1\n", + out->revision); + out->revision = 1; + sprom_extract_r123(out, in); + } + + if (out->boardflags_lo == 0xFFFF) + out->boardflags_lo = 0; /* per specs */ + if (out->boardflags_hi == 0xFFFF) + out->boardflags_hi = 0; /* per specs */ + + return 0; +} + +static void ssb_fbs_fixup(struct ssb_fbs *priv, u16 *sprom) +{ + struct device_node *node = priv->dev->of_node; + u32 fixups, off, val; + int i = 0; + + if (!of_get_property(node, "brcm,sprom-fixups", &fixups)) + return; + + fixups /= sizeof(u32); + + dev_info(priv->dev, "patching SPROM with %u fixups...\n", fixups >> 1); + + while (i < fixups) { + if (of_property_read_u32_index(node, "brcm,sprom-fixups", + i++, &off)) { + dev_err(priv->dev, "error reading fixup[%u] offset\n", + i - 1); + return; + } + + if (of_property_read_u32_index(node, "brcm,sprom-fixups", + i++, &val)) { + dev_err(priv->dev, "error reading fixup[%u] value\n", + i - 1); + return; + } + + dev_dbg(priv->dev, "fixup[%d]=0x%04x\n", off, val); + + sprom[off] = val; + } +} + +static int sprom_override_devid(struct ssb_fbs *priv, struct ssb_sprom *out, + const u16 *in) +{ + SPEX(dev_id, SSB_SPROM1_PID, 0xFFFF, 0); + return !!out->dev_id; +} + +static int ssb_fbs_set(struct ssb_fbs *priv, struct device_node *node) +{ + struct ssb_sprom *sprom = &priv->sprom; + const struct firmware *fw; + const char *sprom_name; + int err; + + if (of_property_read_string(node, "brcm,sprom", &sprom_name)) + sprom_name = NULL; + + if (sprom_name) { + err = request_firmware_direct(&fw, sprom_name, priv->dev); + if (err) + dev_err(priv->dev, "%s load error\n", sprom_name); + } else { + err = -ENOENT; + } + + if (err) { + sprom->revision = 0x02; + sprom->board_rev = 0x0017; + sprom->country_code = 0x00; + sprom->ant_available_bg = 0x03; + sprom->pa0b0 = 0x15ae; + sprom->pa0b1 = 0xfa85; + sprom->pa0b2 = 0xfe8d; + sprom->pa1b0 = 0xffff; + sprom->pa1b1 = 0xffff; + sprom->pa1b2 = 0xffff; + sprom->gpio0 = 0xff; + sprom->gpio1 = 0xff; + sprom->gpio2 = 0xff; + sprom->gpio3 = 0xff; + sprom->maxpwr_bg = 0x4c; + sprom->itssi_bg = 0x00; + sprom->boardflags_lo = 0x2848; + sprom->boardflags_hi = 0x0000; + priv->devid_override = 0; + + dev_warn(priv->dev, "using basic SPROM\n"); + } else { + size_t size = min(fw->size, (size_t) SSB_FBS_MAX_SIZE); + u16 tmp_sprom[SSB_FBS_MAX_SIZE >> 1]; + u32 i, j; + + for (i = 0, j = 0; i < size; i += 2, j++) + tmp_sprom[j] = (fw->data[i] << 8) | fw->data[i + 1]; + + release_firmware(fw); + ssb_fbs_fixup(priv, tmp_sprom); + sprom_extract(priv, tmp_sprom, size >> 1); + + priv->devid_override = sprom_override_devid(priv, sprom, + tmp_sprom); + } + + return 0; +} + +static int ssb_fbs_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->of_node; + struct ssb_fbs *priv; + unsigned long flags; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->dev = dev; + + ssb_fbs_set(priv, node); + + of_property_read_u32(node, "pci-bus", &priv->pci_bus); + of_property_read_u32(node, "pci-dev", &priv->pci_dev); + + of_get_mac_address(node, priv->mac); + if (is_valid_ether_addr(priv->mac)) { + dev_info(dev, "mtd mac %pM\n", priv->mac); + } else { + random_ether_addr(priv->mac); + dev_info(dev, "random mac %pM\n", priv->mac); + } + + memcpy(priv->sprom.il0mac, priv->mac, ETH_ALEN); + memcpy(priv->sprom.et0mac, priv->mac, ETH_ALEN); + memcpy(priv->sprom.et1mac, priv->mac, ETH_ALEN); + memcpy(priv->sprom.et2mac, priv->mac, ETH_ALEN); + + spin_lock_irqsave(&ssb_fbs_lock, flags); + list_add(&priv->list, &ssb_fbs_list); + spin_unlock_irqrestore(&ssb_fbs_lock, flags); + + dev_info(dev, "registered SPROM for [%x:%x]\n", + priv->pci_bus, priv->pci_dev); + + return 0; +} + +static const struct of_device_id ssb_fbs_of_match[] = { + { .compatible = "brcm,ssb-sprom", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, ssb_fbs_of_match); + +static struct platform_driver ssb_fbs_driver = { + .probe = ssb_fbs_probe, + .driver = { + .name = "ssb-sprom", + .of_match_table = ssb_fbs_of_match, + }, +}; + +int __init ssb_fbs_register(void) +{ + return platform_driver_register(&ssb_fbs_driver); +} diff --git a/target/linux/generic/hack-5.10/810-bcma-ssb-fallback-sprom.patch b/target/linux/generic/hack-5.10/810-bcma-ssb-fallback-sprom.patch new file mode 100644 index 000000000000..eea727021181 --- /dev/null +++ b/target/linux/generic/hack-5.10/810-bcma-ssb-fallback-sprom.patch @@ -0,0 +1,169 @@ +--- a/drivers/bcma/bcma_private.h ++++ b/drivers/bcma/bcma_private.h +@@ -38,6 +38,10 @@ int bcma_bus_resume(struct bcma_bus *bus + void bcma_detect_chip(struct bcma_bus *bus); + int bcma_bus_scan(struct bcma_bus *bus); + ++/* fallback-sprom.c */ ++int __init bcma_fbs_register(void); ++int bcma_get_fallback_sprom(struct bcma_bus *dev, struct ssb_sprom *out); ++ + /* sprom.c */ + int bcma_sprom_get(struct bcma_bus *bus); + +--- a/drivers/bcma/Kconfig ++++ b/drivers/bcma/Kconfig +@@ -18,6 +18,10 @@ config BCMA_BLOCKIO + bool + default y + ++config BCMA_FALLBACK_SPROM ++ bool ++ default y ++ + config BCMA_HOST_PCI_POSSIBLE + bool + depends on PCI = y +--- a/drivers/bcma/Makefile ++++ b/drivers/bcma/Makefile +@@ -11,6 +11,7 @@ bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) + bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o + bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o + bcma-$(CONFIG_BCMA_DRIVER_GPIO) += driver_gpio.o ++bcma-$(CONFIG_BCMA_FALLBACK_SPROM) += fallback-sprom.o + bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o + bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o + obj-$(CONFIG_BCMA) += bcma.o +--- a/drivers/bcma/sprom.c ++++ b/drivers/bcma/sprom.c +@@ -51,21 +51,26 @@ static int bcma_fill_sprom_with_fallback + { + int err; + +- if (!get_fallback_sprom) { ++ if (get_fallback_sprom) ++ err = get_fallback_sprom(bus, out); ++ ++#ifdef CONFIG_BCMA_FALLBACK_SPROM ++ if (!get_fallback_sprom || err) ++ err = bcma_get_fallback_sprom(bus, out); ++#else ++ if (!get_fallback_sprom) + err = -ENOENT; +- goto fail; +- } ++#endif /* CONFIG_BCMA_FALLBACK_SPROM */ + +- err = get_fallback_sprom(bus, out); +- if (err) +- goto fail; ++ if (err) { ++ bcma_warn(bus, "Using fallback SPROM failed (err %d)\n", err); ++ return err; ++ } + + bcma_debug(bus, "Using SPROM revision %d provided by platform.\n", + bus->sprom.revision); ++ + return 0; +-fail: +- bcma_warn(bus, "Using fallback SPROM failed (err %d)\n", err); +- return err; + } + + /************************************************** +--- a/drivers/ssb/Kconfig ++++ b/drivers/ssb/Kconfig +@@ -25,6 +25,11 @@ if SSB + config SSB_SPROM + bool + ++config SSB_FALLBACK_SPROM ++ bool ++ depends on SSB_PCIHOST ++ default y ++ + # Support for Block-I/O. SELECT this from the driver that needs it. + config SSB_BLOCKIO + bool +--- a/drivers/ssb/Makefile ++++ b/drivers/ssb/Makefile +@@ -2,6 +2,7 @@ + # core + ssb-y += main.o scan.o + ssb-$(CONFIG_SSB_EMBEDDED) += embedded.o ++ssb-$(CONFIG_SSB_FALLBACK_SPROM) += fallback-sprom.o + ssb-$(CONFIG_SSB_SPROM) += sprom.o + + # host support +--- a/drivers/ssb/sprom.c ++++ b/drivers/ssb/sprom.c +@@ -180,10 +180,20 @@ int ssb_arch_register_fallback_sprom(int + + int ssb_fill_sprom_with_fallback(struct ssb_bus *bus, struct ssb_sprom *out) + { ++ int err; ++ ++ if (get_fallback_sprom) ++ err = get_fallback_sprom(bus, out); ++ ++#ifdef CONFIG_SSB_FALLBACK_SPROM ++ if (!get_fallback_sprom || err) ++ err = ssb_get_fallback_sprom(bus, out); ++#else + if (!get_fallback_sprom) + return -ENOENT; ++#endif /* CONFIG_SSB_FALLBACK_SPROM */ + +- return get_fallback_sprom(bus, out); ++ return err; + } + + /* https://bcm-v4.sipsolutions.net/802.11/IsSpromAvailable */ +--- a/drivers/ssb/ssb_private.h ++++ b/drivers/ssb/ssb_private.h +@@ -143,6 +143,10 @@ extern int ssb_bus_scan(struct ssb_bus * + extern void ssb_iounmap(struct ssb_bus *ssb); + + ++/* fallback-sprom.c */ ++int __init ssb_fbs_register(void); ++int ssb_get_fallback_sprom(struct ssb_bus *dev, struct ssb_sprom *out); ++ + /* sprom.c */ + extern + ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf, +--- a/drivers/bcma/main.c ++++ b/drivers/bcma/main.c +@@ -668,6 +668,14 @@ static int __init bcma_modinit(void) + { + int err; + ++#ifdef CONFIG_BCMA_FALLBACK_SPROM ++ err = bcma_fbs_register(); ++ if (err) { ++ pr_err("Fallback SPROM initialization failed\n"); ++ err = 0; ++ } ++#endif /* CONFIG_BCMA_FALLBACK_SPROM */ ++ + err = bcma_init_bus_register(); + if (err) + return err; +--- a/drivers/ssb/main.c ++++ b/drivers/ssb/main.c +@@ -1282,6 +1282,14 @@ static int __init ssb_modinit(void) + { + int err; + ++#ifdef CONFIG_SSB_FALLBACK_SPROM ++ err = ssb_fbs_register(); ++ if (err) { ++ pr_err("Fallback SPROM initialization failed\n"); ++ err = 0; ++ } ++#endif /* CONFIG_SSB_FALLBACK_SPROM */ ++ + /* See the comment at the ssb_is_early_boot definition */ + ssb_is_early_boot = 0; + err = bus_register(&ssb_bustype); diff --git a/target/linux/generic/hack-5.15/810-bcma-ssb-fallback-sprom.patch b/target/linux/generic/hack-5.15/810-bcma-ssb-fallback-sprom.patch new file mode 100644 index 000000000000..2c8b418e599e --- /dev/null +++ b/target/linux/generic/hack-5.15/810-bcma-ssb-fallback-sprom.patch @@ -0,0 +1,169 @@ +--- a/drivers/bcma/bcma_private.h ++++ b/drivers/bcma/bcma_private.h +@@ -38,6 +38,10 @@ int bcma_bus_resume(struct bcma_bus *bus + void bcma_detect_chip(struct bcma_bus *bus); + int bcma_bus_scan(struct bcma_bus *bus); + ++/* fallback-sprom.c */ ++int __init bcma_fbs_register(void); ++int bcma_get_fallback_sprom(struct bcma_bus *dev, struct ssb_sprom *out); ++ + /* sprom.c */ + int bcma_sprom_get(struct bcma_bus *bus); + +--- a/drivers/bcma/Kconfig ++++ b/drivers/bcma/Kconfig +@@ -18,6 +18,10 @@ config BCMA_BLOCKIO + bool + default y + ++config BCMA_FALLBACK_SPROM ++ bool ++ default y ++ + config BCMA_HOST_PCI_POSSIBLE + bool + depends on PCI = y +--- a/drivers/bcma/Makefile ++++ b/drivers/bcma/Makefile +@@ -11,6 +11,7 @@ bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) + bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o + bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o + bcma-$(CONFIG_BCMA_DRIVER_GPIO) += driver_gpio.o ++bcma-$(CONFIG_BCMA_FALLBACK_SPROM) += fallback-sprom.o + bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o + bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o + obj-$(CONFIG_BCMA) += bcma.o +--- a/drivers/bcma/sprom.c ++++ b/drivers/bcma/sprom.c +@@ -51,21 +51,26 @@ static int bcma_fill_sprom_with_fallback + { + int err; + +- if (!get_fallback_sprom) { ++ if (get_fallback_sprom) ++ err = get_fallback_sprom(bus, out); ++ ++#ifdef CONFIG_BCMA_FALLBACK_SPROM ++ if (!get_fallback_sprom || err) ++ err = bcma_get_fallback_sprom(bus, out); ++#else ++ if (!get_fallback_sprom) + err = -ENOENT; +- goto fail; +- } ++#endif /* CONFIG_BCMA_FALLBACK_SPROM */ + +- err = get_fallback_sprom(bus, out); +- if (err) +- goto fail; ++ if (err) { ++ bcma_warn(bus, "Using fallback SPROM failed (err %d)\n", err); ++ return err; ++ } + + bcma_debug(bus, "Using SPROM revision %d provided by platform.\n", + bus->sprom.revision); ++ + return 0; +-fail: +- bcma_warn(bus, "Using fallback SPROM failed (err %d)\n", err); +- return err; + } + + /************************************************** +--- a/drivers/ssb/Kconfig ++++ b/drivers/ssb/Kconfig +@@ -25,6 +25,11 @@ if SSB + config SSB_SPROM + bool + ++config SSB_FALLBACK_SPROM ++ bool ++ depends on SSB_PCIHOST ++ default y ++ + # Support for Block-I/O. SELECT this from the driver that needs it. + config SSB_BLOCKIO + bool +--- a/drivers/ssb/Makefile ++++ b/drivers/ssb/Makefile +@@ -2,6 +2,7 @@ + # core + ssb-y += main.o scan.o + ssb-$(CONFIG_SSB_EMBEDDED) += embedded.o ++ssb-$(CONFIG_SSB_FALLBACK_SPROM) += fallback-sprom.o + ssb-$(CONFIG_SSB_SPROM) += sprom.o + + # host support +--- a/drivers/ssb/sprom.c ++++ b/drivers/ssb/sprom.c +@@ -180,10 +180,20 @@ int ssb_arch_register_fallback_sprom(int + + int ssb_fill_sprom_with_fallback(struct ssb_bus *bus, struct ssb_sprom *out) + { ++ int err; ++ ++ if (get_fallback_sprom) ++ err = get_fallback_sprom(bus, out); ++ ++#ifdef CONFIG_SSB_FALLBACK_SPROM ++ if (!get_fallback_sprom || err) ++ err = ssb_get_fallback_sprom(bus, out); ++#else + if (!get_fallback_sprom) + return -ENOENT; ++#endif /* CONFIG_SSB_FALLBACK_SPROM */ + +- return get_fallback_sprom(bus, out); ++ return err; + } + + /* https://bcm-v4.sipsolutions.net/802.11/IsSpromAvailable */ +--- a/drivers/ssb/ssb_private.h ++++ b/drivers/ssb/ssb_private.h +@@ -143,6 +143,10 @@ extern int ssb_bus_scan(struct ssb_bus * + extern void ssb_iounmap(struct ssb_bus *ssb); + + ++/* fallback-sprom.c */ ++int __init ssb_fbs_register(void); ++int ssb_get_fallback_sprom(struct ssb_bus *dev, struct ssb_sprom *out); ++ + /* sprom.c */ + extern + ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf, +--- a/drivers/bcma/main.c ++++ b/drivers/bcma/main.c +@@ -668,6 +668,14 @@ static int __init bcma_modinit(void) + { + int err; + ++#ifdef CONFIG_BCMA_FALLBACK_SPROM ++ err = bcma_fbs_register(); ++ if (err) { ++ pr_err("Fallback SPROM initialization failed\n"); ++ err = 0; ++ } ++#endif /* CONFIG_BCMA_FALLBACK_SPROM */ ++ + err = bcma_init_bus_register(); + if (err) + return err; +--- a/drivers/ssb/main.c ++++ b/drivers/ssb/main.c +@@ -1287,6 +1287,14 @@ static int __init ssb_modinit(void) + { + int err; + ++#ifdef CONFIG_SSB_FALLBACK_SPROM ++ err = ssb_fbs_register(); ++ if (err) { ++ pr_err("Fallback SPROM initialization failed\n"); ++ err = 0; ++ } ++#endif /* CONFIG_SSB_FALLBACK_SPROM */ ++ + /* See the comment at the ssb_is_early_boot definition */ + ssb_is_early_boot = 0; + err = bus_register(&ssb_bustype); -- 2.30.2