diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.23/602-ssb-fix-serial-on-new-devices.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.23/602-ssb-fix-serial-on-new-devices.patch | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.23/602-ssb-fix-serial-on-new-devices.patch b/target/linux/brcm47xx/patches-2.6.23/602-ssb-fix-serial-on-new-devices.patch deleted file mode 100644 index a2857fecbb..0000000000 --- a/target/linux/brcm47xx/patches-2.6.23/602-ssb-fix-serial-on-new-devices.patch +++ /dev/null @@ -1,86 +0,0 @@ ---- a/drivers/ssb/driver_chipcommon.c -+++ b/drivers/ssb/driver_chipcommon.c -@@ -403,6 +403,7 @@ - unsigned int irq; - u32 baud_base, div; - u32 i, n; -+ unsigned int ccrev = cc->dev->id.revision; - - plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT); - irq = ssb_mips_irq(cc->dev); -@@ -414,14 +415,39 @@ - chipco_read32(cc, SSB_CHIPCO_CLOCK_M2)); - div = 1; - } else { -- if (cc->dev->id.revision >= 11) { -+ if (ccrev == 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, -+ chipco_read32(cc, SSB_CHIPCO_CORECTL) -+ | SSB_CHIPCO_CORECTL_UARTCLK0); -+ } else if ((ccrev >= 11) && (ccrev != 15)) { - /* Fixed ALP clock */ - baud_base = 20000000; -+ if (cc->capabilities & SSB_CHIPCO_CAP_PMU) { -+ /* FIXME: baud_base is different for devices with a PMU */ -+ SSB_WARN_ON(1); -+ } - div = 1; -+ if (ccrev >= 21) { -+ /* Turn off UART clock before switching clocksource. */ -+ chipco_write32(cc, SSB_CHIPCO_CORECTL, -+ chipco_read32(cc, SSB_CHIPCO_CORECTL) -+ & ~SSB_CHIPCO_CORECTL_UARTCLKEN); -+ } - /* 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 >= 3) { -+ chipco_read32(cc, SSB_CHIPCO_CORECTL) -+ | SSB_CHIPCO_CORECTL_UARTCLK0); -+ if (ccrev >= 21) { -+ /* Re-enable the UART clock. */ -+ chipco_write32(cc, SSB_CHIPCO_CORECTL, -+ chipco_read32(cc, SSB_CHIPCO_CORECTL) -+ | SSB_CHIPCO_CORECTL_UARTCLKEN); -+ } -+ } else if (ccrev >= 3) { - /* Internal backplane clock */ - baud_base = ssb_clockspeed(bus); - div = chipco_read32(cc, SSB_CHIPCO_CLKDIV) -@@ -433,7 +459,7 @@ - } - - /* Clock source depends on strapping if UartClkOverride is unset */ -- if ((cc->dev->id.revision > 0) && -+ if ((ccrev > 0) && - !(chipco_read32(cc, SSB_CHIPCO_CORECTL) & SSB_CHIPCO_CORECTL_UARTCLK0)) { - if ((cc->capabilities & SSB_CHIPCO_CAP_UARTCLK) == - SSB_CHIPCO_CAP_UARTCLK_INT) { -@@ -455,7 +481,7 @@ - cc_mmio = cc->dev->bus->mmio + (cc->dev->core_index * SSB_CORE_SIZE); - uart_regs = cc_mmio + SSB_CHIPCO_UART0_DATA; - /* Offset changed at after rev 0 */ -- if (cc->dev->id.revision == 0) -+ if (ccrev == 0) - uart_regs += (i * 8); - else - uart_regs += (i * 256); ---- a/include/linux/ssb/ssb_driver_chipcommon.h -+++ b/include/linux/ssb/ssb_driver_chipcommon.h -@@ -51,9 +51,12 @@ - #define SSB_CHIPCO_CAP_JTAGM 0x00400000 /* JTAG master present */ - #define SSB_CHIPCO_CAP_BROM 0x00800000 /* Internal boot ROM active */ - #define SSB_CHIPCO_CAP_64BIT 0x08000000 /* 64-bit Backplane */ -+#define SSB_CHIPCO_CAP_PMU 0x10000000 /* PMU available (rev >= 20) */ -+#define SSB_CHIPCO_CAP_ECI 0x20000000 /* ECI available (rev >= 20) */ - #define SSB_CHIPCO_CORECTL 0x0008 - #define SSB_CHIPCO_CORECTL_UARTCLK0 0x00000001 /* Drive UART with internal clock */ - #define SSB_CHIPCO_CORECTL_SE 0x00000002 /* sync clk out enable (corerev >= 3) */ -+#define SSB_CHIPCO_CORECTL_UARTCLKEN 0x00000008 /* UART clock enable (rev >= 21) */ - #define SSB_CHIPCO_BIST 0x000C - #define SSB_CHIPCO_OTPS 0x0010 /* OTP status */ - #define SSB_CHIPCO_OTPS_PROGFAIL 0x80000000 |