Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (370 commits)
  ARM: S3C2443: Add set_rate and round_rate calls for armdiv clock
  ARM: S3C2443: Remove #if 0 for clk_mpll
  ARM: S3C2443: Update notes on MPLLREF clock
  ARM: S3C2443: Further clksrc-clk conversions
  ARM: S3C2443: Change to using plat-samsung clksrc-clk implementation
  USB: Fix s3c-hsotg build following Samsung platform header moves
  ARM: S3C64XX: Reintroduce unconditional build of audio device
  ARM: 5961/1: ux500: fix CLKRST addresses
  ARM: 5977/1: arm: Enable backtrace printing on oops when PC is corrupted
  ASoC: Fix S3C64xx IIS driver for Samsung header reorg
  ARM: S3C2440: Fix plat-s3c24xx move of s3c2440/s3c2442 support
  [ARM] pxa: fix typo in mxm8x10.h
  [ARM] pxa/raumfeld: set GPIO drive bits for LED pins
  [ARM] pxa/zeus: Add support for mcp2515 CAN bus
  [ARM] pxa/zeus: Add support for onboard max6369 watchdog
  [ARM] pxa/zeus: Add Eurotech as the manufacturer
  [ARM] pxa/zeus: Correct the USB host initialisation flags
  [ARM] pxa/zeus: Allow usage of 8250-compatible UART in uncompress
  [ARM] pxa: refactor uncompress.h for non-PXA uarts
  [ARM] mmp2: fix incorrect calling of chip->mask_ack() for 2nd level cascaded IRQs
  ...

1 files changed, 74 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c64xx/include/mach/pll.h b/arch/arm/mach-s3c64xx/include/mach/pll.h
new file mode 100644
index 00000000000..90bbd72fdc4
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/include/mach/pll.h
@@ -0,0 +1,74 @@
+/* arch/arm/plat-s3c64xx/include/plat/pll.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX PLL code
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#define S3C6400_PLL_MDIV_MASK	((1 << (25-16+1)) - 1)
+#define S3C6400_PLL_PDIV_MASK	((1 << (13-8+1)) - 1)
+#define S3C6400_PLL_SDIV_MASK	((1 << (2-0+1)) - 1)
+#define S3C6400_PLL_MDIV_SHIFT	(16)
+#define S3C6400_PLL_PDIV_SHIFT	(8)
+#define S3C6400_PLL_SDIV_SHIFT	(0)
+
+#include <asm/div64.h>
+
+static inline unsigned long s3c6400_get_pll(unsigned long baseclk,
+					    u32 pllcon)
+{
+	u32 mdiv, pdiv, sdiv;
+	u64 fvco = baseclk;
+
+	mdiv = (pllcon >> S3C6400_PLL_MDIV_SHIFT) & S3C6400_PLL_MDIV_MASK;
+	pdiv = (pllcon >> S3C6400_PLL_PDIV_SHIFT) & S3C6400_PLL_PDIV_MASK;
+	sdiv = (pllcon >> S3C6400_PLL_SDIV_SHIFT) & S3C6400_PLL_SDIV_MASK;
+
+	fvco *= mdiv;
+	do_div(fvco, (pdiv << sdiv));
+
+	return (unsigned long)fvco;
+}
+
+#define S3C6400_EPLL_MDIV_MASK	((1 << (23-16)) - 1)
+#define S3C6400_EPLL_PDIV_MASK	((1 << (13-8)) - 1)
+#define S3C6400_EPLL_SDIV_MASK	((1 << (2-0)) - 1)
+#define S3C6400_EPLL_MDIV_SHIFT	(16)
+#define S3C6400_EPLL_PDIV_SHIFT	(8)
+#define S3C6400_EPLL_SDIV_SHIFT	(0)
+#define S3C6400_EPLL_KDIV_MASK  (0xffff)
+
+static inline unsigned long s3c6400_get_epll(unsigned long baseclk)
+{
+	unsigned long result;
+	u32 epll0 = __raw_readl(S3C_EPLL_CON0);
+	u32 epll1 = __raw_readl(S3C_EPLL_CON1);
+	u32 mdiv, pdiv, sdiv, kdiv;
+	u64 tmp;
+
+	mdiv = (epll0 >> S3C6400_EPLL_MDIV_SHIFT) & S3C6400_EPLL_MDIV_MASK;
+	pdiv = (epll0 >> S3C6400_EPLL_PDIV_SHIFT) & S3C6400_EPLL_PDIV_MASK;
+	sdiv = (epll0 >> S3C6400_EPLL_SDIV_SHIFT) & S3C6400_EPLL_SDIV_MASK;
+	kdiv = epll1 & S3C6400_EPLL_KDIV_MASK;
+
+	/* We need to multiple baseclk by mdiv (the integer part) and kdiv
+	 * which is in 2^16ths, so shift mdiv up (does not overflow) and
+	 * add kdiv before multiplying. The use of tmp is to avoid any
+	 * overflows before shifting bac down into result when multipling
+	 * by the mdiv and kdiv pair.
+	 */
+
+	tmp = baseclk;
+	tmp *= (mdiv << 16) + kdiv;
+	do_div(tmp, (pdiv << sdiv));
+	result = tmp >> 16;
+
+	return result;
+}