#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_regs.h>
+#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/delay.h>
/* Get the word-offset for a SSB_SPROM_XXX define. */
#define SPOFF(offset) (((offset) - SSB_SPROM_BASE) / sizeof(u16))
/* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */
-#define SPEX(_outvar, _offset, _mask, _shift) \
+#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)
+
static inline u8 ssb_crc8(u8 crc, u8 data)
{
s8 gain;
u16 loc[3];
- if (out->revision == 3) { /* rev 3 moved MAC */
+ if (out->revision == 3) /* rev 3 moved MAC */
loc[0] = SSB_SPROM3_IL0MAC;
- loc[1] = SSB_SPROM3_ET0MAC;
- loc[2] = SSB_SPROM3_ET1MAC;
- } else {
+ else {
loc[0] = SSB_SPROM1_IL0MAC;
loc[1] = SSB_SPROM1_ET0MAC;
loc[2] = SSB_SPROM1_ET1MAC;
v = in[SPOFF(loc[0]) + i];
*(((__be16 *)out->il0mac) + i) = cpu_to_be16(v);
}
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(loc[1]) + i];
- *(((__be16 *)out->et0mac) + i) = cpu_to_be16(v);
- }
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(loc[2]) + i];
- *(((__be16 *)out->et1mac) + i) = cpu_to_be16(v);
+ if (out->revision < 3) { /* only rev 1-2 have et0, et1 */
+ for (i = 0; i < 3; i++) {
+ v = in[SPOFF(loc[1]) + i];
+ *(((__be16 *)out->et0mac) + i) = cpu_to_be16(v);
+ }
+ for (i = 0; i < 3; i++) {
+ v = in[SPOFF(loc[2]) + i];
+ *(((__be16 *)out->et1mac) + i) = cpu_to_be16(v);
+ }
}
SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0);
SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A,
out->antenna_gain.ghz5.a3 = gain;
}
-static void sprom_extract_r4(struct ssb_sprom *out, const u16 *in)
+static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
{
int i;
u16 v;
+ u16 il0mac_offset;
- /* extract the equivalent of the r1 variables */
+ if (out->revision == 4)
+ il0mac_offset = SSB_SPROM4_IL0MAC;
+ else
+ il0mac_offset = SSB_SPROM5_IL0MAC;
+ /* extract the MAC address */
for (i = 0; i < 3; i++) {
- v = in[SPOFF(SSB_SPROM4_IL0MAC) + i];
+ v = in[SPOFF(il0mac_offset) + i];
*(((__be16 *)out->il0mac) + i) = cpu_to_be16(v);
}
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(SSB_SPROM4_ET0MAC) + i];
- *(((__be16 *)out->et0mac) + i) = cpu_to_be16(v);
- }
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(SSB_SPROM4_ET1MAC) + i];
- *(((__be16 *)out->et1mac) + i) = cpu_to_be16(v);
- }
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(country_code, SSB_SPROM4_CCODE, 0xFFFF, 0);
- SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0);
- SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0);
+ if (out->revision == 4) {
+ SPEX(country_code, SSB_SPROM4_CCODE, 0xFFFF, 0);
+ SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0);
+ SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0);
+ } else {
+ SPEX(country_code, SSB_SPROM5_CCODE, 0xFFFF, 0);
+ SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0);
+ SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 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,
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);
- 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);
+ 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. */
SPEX(antenna_gain.ghz24.a0, SSB_SPROM4_AGAIN01,
/* TODO - get remaining rev 4 stuff needed */
}
+static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in)
+{
+ int i;
+ u16 v;
+
+ /* extract the MAC address */
+ for (i = 0; i < 3; i++) {
+ v = in[SPOFF(SSB_SPROM8_IL0MAC) + i];
+ *(((__be16 *)out->il0mac) + i) = cpu_to_be16(v);
+ }
+ SPEX(country_code, SSB_SPROM8_CCODE, 0xFFFF, 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. */
+ SPEX(antenna_gain.ghz24.a0, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT);
+ SPEX(antenna_gain.ghz24.a1, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT);
+ SPEX(antenna_gain.ghz24.a2, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT);
+ SPEX(antenna_gain.ghz24.a3, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_SHIFT);
+ memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24,
+ sizeof(out->antenna_gain.ghz5));
+
+ /* TODO - get remaining rev 8 stuff needed */
+}
+
static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
const u16 *in, u16 size)
{
out->revision = in[size - 1] & 0x00FF;
ssb_dprintk(KERN_DEBUG PFX "SPROM revision %d detected.\n", out->revision);
+ memset(out->et0mac, 0xFF, 6); /* preset et0 and et1 mac */
+ memset(out->et1mac, 0xFF, 6);
if ((bus->chip_id & 0xFF00) == 0x4400) {
/* Workaround: The BCM44XX chip has a stupid revision
* number stored in the SPROM.
} else if (bus->chip_id == 0x4321) {
/* the BCM4328 has a chipid == 0x4321 and a rev 4 SPROM */
out->revision = 4;
- sprom_extract_r4(out, in);
+ sprom_extract_r45(out, in);
} else {
- if (out->revision == 0)
- goto unsupported;
- if (out->revision >= 1 && out->revision <= 3) {
+ 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:
+ ssb_printk(KERN_WARNING PFX "Unsupported SPROM"
+ " revision %d detected. Will extract"
+ " v1\n", out->revision);
+ out->revision = 1;
sprom_extract_r123(out, in);
}
- if (out->revision == 4)
- sprom_extract_r4(out, in);
- if (out->revision >= 5)
- goto unsupported;
}
if (out->boardflags_lo == 0xFFFF)
out->boardflags_hi = 0; /* per specs */
return 0;
-unsupported:
- ssb_printk(KERN_WARNING PFX "Unsupported SPROM revision %d "
- "detected. Will extract v1\n", out->revision);
- sprom_extract_r123(out, in);
- return 0;
}
static int ssb_pci_sprom_get(struct ssb_bus *bus,
struct ssb_sprom *sprom)
{
+ const struct ssb_sprom *fallback;
int err = -ENOMEM;
u16 *buf;
sprom_do_read(bus, buf);
err = sprom_check_crc(buf, bus->sprom_size);
if (err) {
- /* check for rev 4 sprom - has special signature */
- if (buf[32] == 0x5372) {
- kfree(buf);
- buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
- GFP_KERNEL);
- if (!buf)
- goto out;
- bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
- sprom_do_read(bus, buf);
- err = sprom_check_crc(buf, bus->sprom_size);
- }
- if (err)
+ /* try for a 440 byte SPROM - revision 4 and higher */
+ kfree(buf);
+ buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
+ GFP_KERNEL);
+ if (!buf)
+ goto out;
+ bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
+ sprom_do_read(bus, buf);
+ err = sprom_check_crc(buf, bus->sprom_size);
+ if (err) {
+ /* All CRC attempts failed.
+ * Maybe there is no SPROM on the device?
+ * If we have a fallback, use that. */
+ fallback = ssb_get_fallback_sprom();
+ if (fallback) {
+ memcpy(sprom, fallback, sizeof(*sprom));
+ err = 0;
+ goto out_free;
+ }
ssb_printk(KERN_WARNING PFX "WARNING: Invalid"
" SPROM CRC (corrupt SPROM)\n");
+ }
}
err = sprom_extract(bus, sprom, buf, bus->sprom_size);
+out_free:
kfree(buf);
out:
return err;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff