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path: root/drivers/bcma/sprom.c
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Diffstat (limited to 'drivers/bcma/sprom.c')
-rw-r--r--drivers/bcma/sprom.c589
1 files changed, 480 insertions, 109 deletions
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index 6f230fb087c..72bf4540f56 100644
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -2,6 +2,8 @@
* Broadcom specific AMBA
* SPROM reading
*
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -14,18 +16,68 @@
#include <linux/dma-mapping.h>
#include <linux/slab.h>
-#define SPOFF(offset) ((offset) / sizeof(u16))
+static int(*get_fallback_sprom)(struct bcma_bus *dev, struct ssb_sprom *out);
+
+/**
+ * bcma_arch_register_fallback_sprom - Registers a method providing a
+ * fallback SPROM if no SPROM is found.
+ *
+ * @sprom_callback: The callback function.
+ *
+ * With this function the architecture implementation may register a
+ * callback handler which fills the SPROM data structure. The fallback is
+ * used for PCI based BCMA devices, where no valid SPROM can be found
+ * in the shadow registers and to provide the SPROM for SoCs where BCMA is
+ * to controll the system bus.
+ *
+ * This function is useful for weird architectures that have a half-assed
+ * BCMA device hardwired to their PCI bus.
+ *
+ * This function is available for architecture code, only. So it is not
+ * exported.
+ */
+int bcma_arch_register_fallback_sprom(int (*sprom_callback)(struct bcma_bus *bus,
+ struct ssb_sprom *out))
+{
+ if (get_fallback_sprom)
+ return -EEXIST;
+ get_fallback_sprom = sprom_callback;
+
+ return 0;
+}
+
+static int bcma_fill_sprom_with_fallback(struct bcma_bus *bus,
+ struct ssb_sprom *out)
+{
+ int err;
+
+ if (!get_fallback_sprom) {
+ err = -ENOENT;
+ goto fail;
+ }
+
+ err = get_fallback_sprom(bus, out);
+ if (err)
+ goto fail;
+
+ 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;
+}
/**************************************************
* R/W ops.
**************************************************/
-static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom)
+static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom,
+ size_t words)
{
int i;
- for (i = 0; i < SSB_SPROMSIZE_WORDS_R4; i++)
- sprom[i] = bcma_read16(bus->drv_cc.core,
- offset + (i * 2));
+ for (i = 0; i < words; i++)
+ sprom[i] = bcma_read16(bus->drv_cc.core, offset + (i * 2));
}
/**************************************************
@@ -72,29 +124,29 @@ static inline u8 bcma_crc8(u8 crc, u8 data)
return t[crc ^ data];
}
-static u8 bcma_sprom_crc(const u16 *sprom)
+static u8 bcma_sprom_crc(const u16 *sprom, size_t words)
{
int word;
u8 crc = 0xFF;
- for (word = 0; word < SSB_SPROMSIZE_WORDS_R4 - 1; word++) {
+ for (word = 0; word < words - 1; word++) {
crc = bcma_crc8(crc, sprom[word] & 0x00FF);
crc = bcma_crc8(crc, (sprom[word] & 0xFF00) >> 8);
}
- crc = bcma_crc8(crc, sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & 0x00FF);
+ crc = bcma_crc8(crc, sprom[words - 1] & 0x00FF);
crc ^= 0xFF;
return crc;
}
-static int bcma_sprom_check_crc(const u16 *sprom)
+static int bcma_sprom_check_crc(const u16 *sprom, size_t words)
{
u8 crc;
u8 expected_crc;
u16 tmp;
- crc = bcma_sprom_crc(sprom);
- tmp = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_CRC;
+ crc = bcma_sprom_crc(sprom, words);
+ tmp = sprom[words - 1] & SSB_SPROM_REVISION_CRC;
expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT;
if (crc != expected_crc)
return -EPROTO;
@@ -102,21 +154,25 @@ static int bcma_sprom_check_crc(const u16 *sprom)
return 0;
}
-static int bcma_sprom_valid(const u16 *sprom)
+static int bcma_sprom_valid(struct bcma_bus *bus, const u16 *sprom,
+ size_t words)
{
u16 revision;
int err;
- err = bcma_sprom_check_crc(sprom);
+ err = bcma_sprom_check_crc(sprom, words);
if (err)
return err;
- revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_REV;
- if (revision != 8 && revision != 9) {
+ revision = sprom[words - 1] & SSB_SPROM_REVISION_REV;
+ if (revision != 8 && revision != 9 && revision != 10) {
pr_err("Unsupported SPROM revision: %d\n", revision);
return -ENOENT;
}
+ bus->sprom.revision = revision;
+ bcma_debug(bus, "Found SPROM revision %d\n", revision);
+
return 0;
}
@@ -124,124 +180,439 @@ static int bcma_sprom_valid(const u16 *sprom)
* SPROM extraction.
**************************************************/
+#define SPOFF(offset) ((offset) / sizeof(u16))
+
+#define SPEX(_field, _offset, _mask, _shift) \
+ bus->sprom._field = ((sprom[SPOFF(_offset)] & (_mask)) >> (_shift))
+
+#define SPEX32(_field, _offset, _mask, _shift) \
+ bus->sprom._field = ((((u32)sprom[SPOFF((_offset)+2)] << 16 | \
+ sprom[SPOFF(_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)
+
static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
{
- u16 v;
+ u16 v, o;
int i;
-
- bus->sprom.revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] &
- SSB_SPROM_REVISION_REV;
+ 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(bus->sprom.core_pwr_info));
for (i = 0; i < 3; i++) {
v = sprom[SPOFF(SSB_SPROM8_IL0MAC) + i];
*(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v);
}
- bus->sprom.board_rev = sprom[SPOFF(SSB_SPROM8_BOARDREV)];
-
- bus->sprom.txpid2g[0] = (sprom[SPOFF(SSB_SPROM4_TXPID2G01)] &
- SSB_SPROM4_TXPID2G0) >> SSB_SPROM4_TXPID2G0_SHIFT;
- bus->sprom.txpid2g[1] = (sprom[SPOFF(SSB_SPROM4_TXPID2G01)] &
- SSB_SPROM4_TXPID2G1) >> SSB_SPROM4_TXPID2G1_SHIFT;
- bus->sprom.txpid2g[2] = (sprom[SPOFF(SSB_SPROM4_TXPID2G23)] &
- SSB_SPROM4_TXPID2G2) >> SSB_SPROM4_TXPID2G2_SHIFT;
- bus->sprom.txpid2g[3] = (sprom[SPOFF(SSB_SPROM4_TXPID2G23)] &
- SSB_SPROM4_TXPID2G3) >> SSB_SPROM4_TXPID2G3_SHIFT;
-
- bus->sprom.txpid5gl[0] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL01)] &
- SSB_SPROM4_TXPID5GL0) >> SSB_SPROM4_TXPID5GL0_SHIFT;
- bus->sprom.txpid5gl[1] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL01)] &
- SSB_SPROM4_TXPID5GL1) >> SSB_SPROM4_TXPID5GL1_SHIFT;
- bus->sprom.txpid5gl[2] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL23)] &
- SSB_SPROM4_TXPID5GL2) >> SSB_SPROM4_TXPID5GL2_SHIFT;
- bus->sprom.txpid5gl[3] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL23)] &
- SSB_SPROM4_TXPID5GL3) >> SSB_SPROM4_TXPID5GL3_SHIFT;
-
- bus->sprom.txpid5g[0] = (sprom[SPOFF(SSB_SPROM4_TXPID5G01)] &
- SSB_SPROM4_TXPID5G0) >> SSB_SPROM4_TXPID5G0_SHIFT;
- bus->sprom.txpid5g[1] = (sprom[SPOFF(SSB_SPROM4_TXPID5G01)] &
- SSB_SPROM4_TXPID5G1) >> SSB_SPROM4_TXPID5G1_SHIFT;
- bus->sprom.txpid5g[2] = (sprom[SPOFF(SSB_SPROM4_TXPID5G23)] &
- SSB_SPROM4_TXPID5G2) >> SSB_SPROM4_TXPID5G2_SHIFT;
- bus->sprom.txpid5g[3] = (sprom[SPOFF(SSB_SPROM4_TXPID5G23)] &
- SSB_SPROM4_TXPID5G3) >> SSB_SPROM4_TXPID5G3_SHIFT;
-
- bus->sprom.txpid5gh[0] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH01)] &
- SSB_SPROM4_TXPID5GH0) >> SSB_SPROM4_TXPID5GH0_SHIFT;
- bus->sprom.txpid5gh[1] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH01)] &
- SSB_SPROM4_TXPID5GH1) >> SSB_SPROM4_TXPID5GH1_SHIFT;
- bus->sprom.txpid5gh[2] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH23)] &
- SSB_SPROM4_TXPID5GH2) >> SSB_SPROM4_TXPID5GH2_SHIFT;
- bus->sprom.txpid5gh[3] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH23)] &
- SSB_SPROM4_TXPID5GH3) >> SSB_SPROM4_TXPID5GH3_SHIFT;
-
- bus->sprom.boardflags_lo = sprom[SPOFF(SSB_SPROM8_BFLLO)];
- bus->sprom.boardflags_hi = sprom[SPOFF(SSB_SPROM8_BFLHI)];
- bus->sprom.boardflags2_lo = sprom[SPOFF(SSB_SPROM8_BFL2LO)];
- bus->sprom.boardflags2_hi = sprom[SPOFF(SSB_SPROM8_BFL2HI)];
-
- bus->sprom.country_code = sprom[SPOFF(SSB_SPROM8_CCODE)];
-
- bus->sprom.fem.ghz2.tssipos = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
- SSB_SROM8_FEM_TSSIPOS) >> SSB_SROM8_FEM_TSSIPOS_SHIFT;
- bus->sprom.fem.ghz2.extpa_gain = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
- SSB_SROM8_FEM_EXTPA_GAIN) >> SSB_SROM8_FEM_EXTPA_GAIN_SHIFT;
- bus->sprom.fem.ghz2.pdet_range = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
- SSB_SROM8_FEM_PDET_RANGE) >> SSB_SROM8_FEM_PDET_RANGE_SHIFT;
- bus->sprom.fem.ghz2.tr_iso = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
- SSB_SROM8_FEM_TR_ISO) >> SSB_SROM8_FEM_TR_ISO_SHIFT;
- bus->sprom.fem.ghz2.antswlut = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
- SSB_SROM8_FEM_ANTSWLUT) >> SSB_SROM8_FEM_ANTSWLUT_SHIFT;
-
- bus->sprom.fem.ghz5.tssipos = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
- SSB_SROM8_FEM_TSSIPOS) >> SSB_SROM8_FEM_TSSIPOS_SHIFT;
- bus->sprom.fem.ghz5.extpa_gain = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
- SSB_SROM8_FEM_EXTPA_GAIN) >> SSB_SROM8_FEM_EXTPA_GAIN_SHIFT;
- bus->sprom.fem.ghz5.pdet_range = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
- SSB_SROM8_FEM_PDET_RANGE) >> SSB_SROM8_FEM_PDET_RANGE_SHIFT;
- bus->sprom.fem.ghz5.tr_iso = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
- SSB_SROM8_FEM_TR_ISO) >> SSB_SROM8_FEM_TR_ISO_SHIFT;
- bus->sprom.fem.ghz5.antswlut = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
- SSB_SROM8_FEM_ANTSWLUT) >> SSB_SROM8_FEM_ANTSWLUT_SHIFT;
+ SPEX(board_rev, SSB_SPROM8_BOARDREV, ~0, 0);
+ SPEX(board_type, SSB_SPROM1_SPID, ~0, 0);
+
+ 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);
+
+ SPEX(boardflags_lo, SSB_SPROM8_BFLLO, ~0, 0);
+ SPEX(boardflags_hi, SSB_SPROM8_BFLHI, ~0, 0);
+ SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, ~0, 0);
+ SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, ~0, 0);
+
+ SPEX(alpha2[0], SSB_SPROM8_CCODE, 0xff00, 8);
+ SPEX(alpha2[1], SSB_SPROM8_CCODE, 0x00ff, 0);
+
+ /* 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);
+ }
+
+ 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(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,
+ SSB_SPROM8_RXPO2G_SHIFT);
+ 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, ~0, 0);
+ SPEX(pa0b1, SSB_SPROM8_PA0B1, ~0, 0);
+ SPEX(pa0b2, SSB_SPROM8_PA0B2, ~0, 0);
+ SPEX(pa1b0, SSB_SPROM8_PA1B0, ~0, 0);
+ SPEX(pa1b1, SSB_SPROM8_PA1B1, ~0, 0);
+ SPEX(pa1b2, SSB_SPROM8_PA1B2, ~0, 0);
+ SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, ~0, 0);
+ SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, ~0, 0);
+ SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, ~0, 0);
+ SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, ~0, 0);
+ SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, ~0, 0);
+ SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, ~0, 0);
+ SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, ~0, 0);
+ SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, ~0, 0);
+ SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, ~0, 0);
+ SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, ~0, 0);
+ SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, ~0, 0);
+
+ /* Extract the antenna gain values. */
+ SPEX(antenna_gain.a0, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT);
+ SPEX(antenna_gain.a1, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT);
+ SPEX(antenna_gain.a2, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT);
+ SPEX(antenna_gain.a3, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_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);
+}
+
+/*
+ * Indicates the presence of external SPROM.
+ */
+static bool bcma_sprom_ext_available(struct bcma_bus *bus)
+{
+ u32 chip_status;
+ u32 srom_control;
+ u32 present_mask;
+
+ if (bus->drv_cc.core->id.rev >= 31) {
+ if (!(bus->drv_cc.capabilities & BCMA_CC_CAP_SPROM))
+ return false;
+
+ srom_control = bcma_read32(bus->drv_cc.core,
+ BCMA_CC_SROM_CONTROL);
+ return srom_control & BCMA_CC_SROM_CONTROL_PRESENT;
+ }
+
+ /* older chipcommon revisions use chip status register */
+ chip_status = bcma_read32(bus->drv_cc.core, BCMA_CC_CHIPSTAT);
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4313:
+ present_mask = BCMA_CC_CHIPST_4313_SPROM_PRESENT;
+ break;
+
+ case BCMA_CHIP_ID_BCM4331:
+ present_mask = BCMA_CC_CHIPST_4331_SPROM_PRESENT;
+ break;
+
+ default:
+ return true;
+ }
+
+ return chip_status & present_mask;
+}
+
+/*
+ * Indicates that on-chip OTP memory is present and enabled.
+ */
+static bool bcma_sprom_onchip_available(struct bcma_bus *bus)
+{
+ u32 chip_status;
+ u32 otpsize = 0;
+ bool present;
+
+ chip_status = bcma_read32(bus->drv_cc.core, BCMA_CC_CHIPSTAT);
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4313:
+ present = chip_status & BCMA_CC_CHIPST_4313_OTP_PRESENT;
+ break;
+
+ case BCMA_CHIP_ID_BCM4331:
+ present = chip_status & BCMA_CC_CHIPST_4331_OTP_PRESENT;
+ break;
+ case BCMA_CHIP_ID_BCM43142:
+ case BCMA_CHIP_ID_BCM43224:
+ case BCMA_CHIP_ID_BCM43225:
+ /* for these chips OTP is always available */
+ present = true;
+ break;
+ case BCMA_CHIP_ID_BCM43227:
+ case BCMA_CHIP_ID_BCM43228:
+ case BCMA_CHIP_ID_BCM43428:
+ present = chip_status & BCMA_CC_CHIPST_43228_OTP_PRESENT;
+ break;
+ default:
+ present = false;
+ break;
+ }
+
+ if (present) {
+ otpsize = bus->drv_cc.capabilities & BCMA_CC_CAP_OTPS;
+ otpsize >>= BCMA_CC_CAP_OTPS_SHIFT;
+ }
+
+ return otpsize != 0;
+}
+
+/*
+ * Verify OTP is filled and determine the byte
+ * offset where SPROM data is located.
+ *
+ * On error, returns 0; byte offset otherwise.
+ */
+static int bcma_sprom_onchip_offset(struct bcma_bus *bus)
+{
+ struct bcma_device *cc = bus->drv_cc.core;
+ u32 offset;
+
+ /* verify OTP status */
+ if ((bcma_read32(cc, BCMA_CC_OTPS) & BCMA_CC_OTPS_GU_PROG_HW) == 0)
+ return 0;
+
+ /* obtain bit offset from otplayout register */
+ offset = (bcma_read32(cc, BCMA_CC_OTPL) & BCMA_CC_OTPL_GURGN_OFFSET);
+ return BCMA_CC_SPROM + (offset >> 3);
}
int bcma_sprom_get(struct bcma_bus *bus)
{
- u16 offset;
+ u16 offset = BCMA_CC_SPROM;
u16 *sprom;
- int err = 0;
+ size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4,
+ SSB_SPROMSIZE_WORDS_R10, };
+ int i, err = 0;
if (!bus->drv_cc.core)
return -EOPNOTSUPP;
- if (!(bus->drv_cc.capabilities & BCMA_CC_CAP_SPROM))
- return -ENOENT;
-
- sprom = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
- GFP_KERNEL);
- if (!sprom)
- return -ENOMEM;
+ if (!bcma_sprom_ext_available(bus)) {
+ bool sprom_onchip;
+
+ /*
+ * External SPROM takes precedence so check
+ * on-chip OTP only when no external SPROM
+ * is present.
+ */
+ sprom_onchip = bcma_sprom_onchip_available(bus);
+ if (sprom_onchip) {
+ /* determine offset */
+ offset = bcma_sprom_onchip_offset(bus);
+ }
+ if (!offset || !sprom_onchip) {
+ /*
+ * Maybe there is no SPROM on the device?
+ * Now we ask the arch code if there is some sprom
+ * available for this device in some other storage.
+ */
+ err = bcma_fill_sprom_with_fallback(bus, &bus->sprom);
+ return err;
+ }
+ }
- if (bus->chipinfo.id == 0x4331)
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM43431)
bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false);
- /* Most cards have SPROM moved by additional offset 0x30 (48 dwords).
- * According to brcm80211 this applies to cards with PCIe rev >= 6
- * TODO: understand this condition and use it */
- offset = (bus->chipinfo.id == 0x4331) ? BCMA_CC_SPROM :
- BCMA_CC_SPROM_PCIE6;
- bcma_sprom_read(bus, offset, sprom);
+ bcma_debug(bus, "SPROM offset 0x%x\n", offset);
+ for (i = 0; i < ARRAY_SIZE(sprom_sizes); i++) {
+ size_t words = sprom_sizes[i];
- if (bus->chipinfo.id == 0x4331)
- bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
+ sprom = kcalloc(words, sizeof(u16), GFP_KERNEL);
+ if (!sprom)
+ return -ENOMEM;
- err = bcma_sprom_valid(sprom);
- if (err)
- goto out;
+ bcma_sprom_read(bus, offset, sprom, words);
+ err = bcma_sprom_valid(bus, sprom, words);
+ if (!err)
+ break;
+
+ kfree(sprom);
+ }
+
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM43431)
+ bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
- bcma_sprom_extract_r8(bus, sprom);
+ if (err) {
+ bcma_warn(bus, "Invalid SPROM read from the PCIe card, trying to use fallback SPROM\n");
+ err = bcma_fill_sprom_with_fallback(bus, &bus->sprom);
+ } else {
+ bcma_sprom_extract_r8(bus, sprom);
+ kfree(sprom);
+ }
-out:
- kfree(sprom);
return err;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 14:01:50 +0000