Merge branch 'master' of git://git.denx.de/u-boot-arm

* 'master' of git://git.denx.de/u-boot-arm:
  ARM: Add Calxeda Highbank platform
  dkb: make mmc command as default enabled
  Marvell: dkb: add mmc support
  ARM: pantheon: add mmc definition
  davinci: remove config.mk file from the sources
  ARM:AM33XX: Add support for TI AM335X EVM
  ARM:AM33XX: Added timer support
  ARM:AM33XX: Add emif/ddr support
  ARM:AM33XX: Add clock definitions
  ARM:AM33XX: Added support for AM33xx
  omap3/emif4: fix registers definition
  davinci: remove obsolete macro CONFIG_EMAC_MDIO_PHY_NUM
  davinci: emac: add support for more than 1 PHYs
  davinci: emac: add new features to autonegotiate for EMAC
  da850evm: Move LPSC configuration to board_early_init_f()
  omap4_panda: Build in cmd_gpio support on panda
  omap: Don't use gpio_free to change direction to input
  mmc: omap: Allow OMAP_HSMMC[23]_BASE to be unset
  OMAP3: overo : Add environment variable optargs to bootargs
  OMAP3: overo: Move ethernet CS4 configuration to execute based on board id
  OMAP3: overo : Use ttyO2 instead of ttyS2.
  da830: add support for NAND boot mode
  dm36x: revert cache disable patch
  dm644X: revert cache disable patch
  devkit8000: Add malloc space
  omap: spl: fix build break due to changes in FAT
  OMAP3 SPL: Provide weak omap_rev_string
  omap: beagle: Use ubifs instead of jffs2 for nand boot
  omap: overo: Disable pull-ups on camera PCLK, HS and VS signals
  omap: overo: Configure mux for gpio10
  SPL: Add DMA library
  omap3: Add interface for omap3 DMA
  omap3: Add DMA register accessors
  omap3: Add Base register for DMA
  arm, davinci: add missing LSPC define for MMC/SD1
  U-Boot/SPL: omap4: Make ddr pre-calculated timings as default.
  DaVinci: correct MDSTAT.STATE mask
  omap4: splitting padconfs into common, 4430 and 4460
  omap4: adding revision detection for 4460 ES1.1
  omap4: replacing OMAP4_CONTROL with OMAP4430_CONTROL
  gplug: fixed build error as a result of code cleanup patch
  kirkwood_spi: add dummy spi_init()
  gpio: mvmfp: reduce include platform file
  ARM: orion5x: reduce dependence of including platform file
  serial: reduce include platform file for marvell chip
  ARM: kirkwood: reduce dependence of including platform file
  ARM: armada100: reduce dependence of including platform file
  ARM: pantheon: reduce dependence of including platform file
  Armada100: Add env storage support for Marvell gplugD
  Armada100: Add SPI flash support for Marvell gplugD
  Armada100: Add SPI support for Marvell gplugD
  SPI: Add SPI driver support for Marvell Armada100
  dreamplug: initial board support.
  imx: fix coding style
  misc: pmic: drop old Freescale's pmic driver
  MX31: mx31pdk: use new pmic driver
  MX31: mx31ads: use new pmic driver
  MX31: mx31_litekit: use new pmic driver
  MX5: mx53evk: use new pmic driver
  MX5: mx51evk: use new pmic driver
  MX35: mx35pdk: use new pmic driver
  misc: pmic: addI2C  support to pmic_fsl driver
  misc: pmic: use I2C_SET_BUS in pmic I2C
  MX5: efikamx/efikasb: use new pmic driver
  MX3: qong: use new pmic driver
  RTC: Switch mc13783 to generic pmic code
  MX5: vision2: use new pmic driver
  misc: pmic: Freescale PMIC switches to generic PMIC driver
  misc:pmic:samsung Enable PMIC driver at GONI target
  misc:pmic:max8998 MAX8998 support at a new PMIC driver.
  misc:pmic:core New generic PMIC driver
  mx31pdk: Remove unneeded config
  mx31: provide readable WEIM CS accessor
  MX51: vision2: Set global macros
  I2C: Add i2c_get/set_speed() to mxc_i2c.c
  ARM: Update mach-types
  devkit8000: Add config to enable SPL MMC boot
  devkit8000: protect board_mmc_init
  arm, post: add missing post_time_ms for arm
  cosmetic, post: Codingstyle cleanup
  arm, logbuffer: make it compileclean
  tegra2: Enable MMC for Seaboard
  tegra2: Add more pinmux functions
  tegra2: Rename PIN_ to PINGRP_
  tegra2: Add more clock functions
  tegra2: Clean up board code a little
  tegra2: Rename CLOCK_PLL_ID to CLOCK_ID

1 files changed, 23 insertions, 8 deletions

diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index a805bf62dd1..2869d7cec3d 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -95,7 +95,7 @@ static u16 i2c_clk_div[50][2] = {
 	{ 3072,	0x1E }, { 3840,	0x1F }
 };
 
-static u8 clk_idx;
+static u8 clk_div;
 
 /*
  * Calculate and set proper clock divider
@@ -105,7 +105,6 @@ static void i2c_imx_set_clk(unsigned int rate)
 	struct mxc_i2c_regs *i2c_regs = (struct mxc_i2c_regs *)I2C_BASE;
 	unsigned int i2c_clk_rate;
 	unsigned int div;
-	int i;
 
 #if defined(CONFIG_MX31)
 	struct clock_control_regs *sc_regs =
@@ -120,16 +119,15 @@ static void i2c_imx_set_clk(unsigned int rate)
 	i2c_clk_rate = mxc_get_clock(MXC_IPG_PERCLK);
 	div = (i2c_clk_rate + rate - 1) / rate;
 	if (div < i2c_clk_div[0][0])
-		i = 0;
+		clk_div = 0;
 	else if (div > i2c_clk_div[ARRAY_SIZE(i2c_clk_div) - 1][0])
-		i = ARRAY_SIZE(i2c_clk_div) - 1;
+		clk_div = ARRAY_SIZE(i2c_clk_div) - 1;
 	else
-		for (i = 0; i2c_clk_div[i][0] < div; i++)
+		for (clk_div = 0; i2c_clk_div[clk_div][0] < div; clk_div++)
 			;
 
 	/* Store divider value */
-	clk_idx = i2c_clk_div[i][1];
-	writeb(clk_idx, &i2c_regs->ifdr);
+	writeb(i2c_clk_div[clk_div][1], &i2c_regs->ifdr);
 }
 
 /*
@@ -153,6 +151,23 @@ void i2c_init(int speed, int unused)
 }
 
 /*
+ * Set I2C Speed
+ */
+int i2c_set_bus_speed(unsigned int speed)
+{
+	i2c_init(speed, 0);
+	return 0;
+}
+
+/*
+ * Get I2C Speed
+ */
+unsigned int i2c_get_bus_speed(void)
+{
+	return mxc_get_clock(MXC_IPG_PERCLK) / i2c_clk_div[clk_div][0];
+}
+
+/*
  * Wait for bus to be busy (or free if for_busy = 0)
  *
  * for_busy = 1: Wait for IBB to be asserted
@@ -218,7 +233,7 @@ int i2c_imx_start(void)
 	unsigned int temp = 0;
 	int result;
 
-	writeb(clk_idx, &i2c_regs->ifdr);
+	writeb(i2c_clk_div[clk_div][1], &i2c_regs->ifdr);
 
 	/* Enable I2C controller */
 	writeb(0, &i2c_regs->i2sr);