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path: root/target/linux/brcm47xx/patches-2.6.23/220-bcm5354.patch
blob: ca31af912a014fe1b0b03f95d561f31b3ecf8c2b (plain)
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--- files/drivers/ssb/driver_chipcommon.c	2007-10-24 16:57:38.000000000 -0700
+++ linux-2.6.23.1/drivers/ssb/driver_chipcommon.c	2007-10-27 13:27:06.000000000 -0700
@@ -268,6 +268,8 @@
 void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc,
                              u32 *plltype, u32 *n, u32 *m)
 {
+	if ((chipco_read32(cc, SSB_CHIPCO_CHIPID) & SSB_CHIPCO_IDMASK) == 0x5354)
+		return;
 	*n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
 	*plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
 	switch (*plltype) {
@@ -291,6 +293,8 @@
 void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
 				 u32 *plltype, u32 *n, u32 *m)
 {
+	if ((chipco_read32(cc, SSB_CHIPCO_CHIPID) & SSB_CHIPCO_IDMASK) == 0x5354)
+		return;
 	*n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
 	*plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
 	switch (*plltype) {
@@ -387,7 +376,14 @@
 						chipco_read32(cc, SSB_CHIPCO_CLOCK_M2));
 		div = 1;
 	} else {
-		if (cc->dev->id.revision >= 11) {
+		if (cc->dev->id.revision == 20) {
+			/* BCM5354 uses constant 25MHz clock */
+			baud_base = 25000000;
+			div = 48;
+			/* Set the override bit so we don't divide it */
+			chipco_write32(cc, SSB_CHIPCO_CORECTL,
+				       SSB_CHIPCO_CORECTL_UARTCLK0);
+		} else if (cc->dev->id.revision >= 11) {
 			/* Fixed ALP clock */
 			baud_base = 20000000;
 			div = 1;
--- files/drivers/ssb/driver_mipscore.c	2007-10-24 16:57:38.000000000 -0700
+++ linux-2.6.23.1/drivers/ssb/driver_mipscore.c	2007-10-27 13:29:36.000000000 -0700
@@ -160,6 +160,8 @@
 
 	if ((pll_type == SSB_PLLTYPE_5) || (bus->chip_id == 0x5365)) {
 		rate = 200000000;
+	} else if (bus->chip_id == 0x5354) {
+		rate = 240000000;
 	} else {
 		rate = ssb_calc_clock_rate(pll_type, n, m);
 	}
--- files/drivers/ssb/main.c	2007-10-24 16:57:38.000000000 -0700
+++ linux-2.6.23.1/drivers/ssb/main.c	2007-10-27 13:30:59.000000000 -0700
@@ -864,6 +864,8 @@
 
 	if (bus->chip_id == 0x5365) {
 		rate = 100000000;
+	} else if (bus->chip_id == 0x5354) {
+		rate = 120000000;
 	} else {
 		rate = ssb_calc_clock_rate(plltype, clkctl_n, clkctl_m);
 		if (plltype == SSB_PLLTYPE_3) /* 25Mhz, 2 dividers */