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path: root/drivers/net/wireless/brcm80211/brcmsmac/srom.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/srom.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/srom.c50
1 files changed, 15 insertions, 35 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/srom.c b/drivers/net/wireless/brcm80211/brcmsmac/srom.c
index b6987ea..6109215 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/srom.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/srom.c
@@ -586,17 +586,6 @@ static const struct brcms_sromvar perpath_pci_sromvars[] = {
* shared between devices. */
static u8 brcms_srom_crc8_table[CRC8_TABLE_SIZE];
-static u8 __iomem *
-srom_window_address(struct si_pub *sih, u8 __iomem *curmap)
-{
- if (sih->ccrev < 32)
- return curmap + PCI_BAR0_SPROM_OFFSET;
- if (sih->cccaps & CC_CAP_SROM)
- return curmap + PCI_16KB0_CCREGS_OFFSET + CC_SROM_OTP;
-
- return NULL;
-}
-
static uint mask_shift(u16 mask)
{
uint i;
@@ -779,17 +768,27 @@ _initvars_srom_pci(u8 sromrev, u16 *srom, struct list_head *var_list)
* Return 0 on success, nonzero on error.
*/
static int
-sprom_read_pci(struct si_pub *sih, u8 __iomem *sprom, uint wordoff,
- u16 *buf, uint nwords, bool check_crc)
+sprom_read_pci(struct si_pub *sih, u16 *buf, uint nwords, bool check_crc)
{
int err = 0;
uint i;
u8 *bbuf = (u8 *)buf; /* byte buffer */
uint nbytes = nwords << 1;
+ struct bcma_device *core;
+ uint sprom_offset;
+
+ /* determine core to read */
+ if (ai_get_ccrev(sih) < 32) {
+ core = ai_findcore(sih, BCMA_CORE_80211, 0);
+ sprom_offset = PCI_BAR0_SPROM_OFFSET;
+ } else {
+ core = ai_findcore(sih, BCMA_CORE_CHIPCOMMON, 0);
+ sprom_offset = CHIPCREGOFFS(sromotp);
+ }
/* read the sprom in bytes */
for (i = 0; i < nbytes; i++)
- bbuf[i] = readb(sprom+i);
+ bbuf[i] = bcma_read8(core, sprom_offset+i);
if (buf[0] == 0xffff)
/*
@@ -851,10 +850,9 @@ static int otp_read_pci(struct si_pub *sih, u16 *buf, uint nwords)
* Initialize nonvolatile variable table from sprom.
* Return 0 on success, nonzero on error.
*/
-static int initvars_srom_pci(struct si_pub *sih, void __iomem *curmap)
+int srom_var_init(struct si_pub *sih)
{
u16 *srom;
- u8 __iomem *sromwindow;
u8 sromrev = 0;
u32 sr;
int err = 0;
@@ -866,12 +864,9 @@ static int initvars_srom_pci(struct si_pub *sih, void __iomem *curmap)
if (!srom)
return -ENOMEM;
- sromwindow = srom_window_address(sih, curmap);
-
crc8_populate_lsb(brcms_srom_crc8_table, SROM_CRC8_POLY);
if (ai_is_sprom_available(sih)) {
- err = sprom_read_pci(sih, sromwindow, 0, srom,
- SROM4_WORDS, true);
+ err = sprom_read_pci(sih, srom, SROM4_WORDS, true);
if (err == 0)
/* srom read and passed crc */
@@ -921,21 +916,6 @@ void srom_free_vars(struct si_pub *sih)
kfree(entry);
}
}
-/*
- * Initialize local vars from the right source for this platform.
- * Return 0 on success, nonzero on error.
- */
-int srom_var_init(struct si_pub *sih, void __iomem *curmap)
-{
- uint len;
-
- len = 0;
-
- if (curmap != NULL)
- return initvars_srom_pci(sih, curmap);
-
- return -EINVAL;
-}
/*
* Search the name=value vars for a specific one and return its value.