Initial import of modified u-boot tree

Original upstream URL:
git://git.denx.de/u-boot.git

Original upstream GIT hash:
62c175fbb8a0f9a926c88294ea9f7e88eb898f6c

3 files changed, 518 insertions, 0 deletions

diff --git a/board/freescale/mx6qsabreauto/Makefile b/board/freescale/mx6qsabreauto/Makefile
new file mode 100644
index 0000000..f5528b3
--- /dev/null
+++ b/board/freescale/mx6qsabreauto/Makefile
@@ -0,0 +1,41 @@
+#
+# Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+#
+# (C) Copyright 2011 Freescale Semiconductor, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB    = $(obj)lib$(BOARD).o
+
+COBJS  := mx6qsabreauto.o
+
+SRCS   := $(COBJS:.o=.c)
+OBJS   := $(addprefix $(obj),$(COBJS))
+
+$(LIB):        $(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/freescale/mx6qsabreauto/imximage.cfg b/board/freescale/mx6qsabreauto/imximage.cfg
new file mode 100644
index 0000000..e720c6b
--- /dev/null
+++ b/board/freescale/mx6qsabreauto/imximage.cfg
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2012 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not write to the Free Software
+ * Foundation Inc. 51 Franklin Street Fifth Floor Boston,
+ * MA 02110-1301 USA
+ *
+ * Refer doc/README.imximage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+/* image version */
+
+IMAGE_VERSION 2
+
+/*
+ * Boot Device : one of
+ * spi, sd (the board has no nand neither onenand)
+ */
+BOOT_FROM	sd
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+DATA 4 0x020e05a8 0x00000028
+DATA 4 0x020e05b0 0x00000028
+DATA 4 0x020e0524 0x00000028
+DATA 4 0x020e051c 0x00000028
+
+DATA 4 0x020e0518 0x00000028
+DATA 4 0x020e050c 0x00000028
+DATA 4 0x020e05b8 0x00000028
+DATA 4 0x020e05c0 0x00000028
+
+DATA 4 0x020e05ac 0x00000028
+DATA 4 0x020e05b4 0x00000028
+DATA 4 0x020e0528 0x00000028
+DATA 4 0x020e0520 0x00000028
+
+DATA 4 0x020e0514 0x00000028
+DATA 4 0x020e0510 0x00000028
+DATA 4 0x020e05bc 0x00000028
+DATA 4 0x020e05c4 0x00000028
+
+DATA 4 0x020e056c 0x00000030
+DATA 4 0x020e0578 0x00000030
+DATA 4 0x020e0588 0x00000030
+DATA 4 0x020e0594 0x00000030
+
+DATA 4 0x020e057c 0x00000030
+DATA 4 0x020e0590 0x00000030
+DATA 4 0x020e0598 0x00000030
+DATA 4 0x020e058c 0x00000000
+
+DATA 4 0x020e059c 0x00003030
+DATA 4 0x020e05a0 0x00003030
+DATA 4 0x020e0784 0x00000028
+DATA 4 0x020e0788 0x00000028
+
+DATA 4 0x020e0794 0x00000028
+DATA 4 0x020e079c 0x00000028
+DATA 4 0x020e07a0 0x00000028
+DATA 4 0x020e07a4 0x00000028
+
+DATA 4 0x020e07a8 0x00000028
+DATA 4 0x020e0748 0x00000028
+DATA 4 0x020e074c 0x00000030
+DATA 4 0x020e0750 0x00020000
+
+DATA 4 0x020e0758 0x00000000
+DATA 4 0x020e0774 0x00020000
+DATA 4 0x020e078c 0x00000030
+DATA 4 0x020e0798 0x000C0000
+
+DATA 4 0x021b081c 0x33333333
+DATA 4 0x021b0820 0x33333333
+DATA 4 0x021b0824 0x33333333
+DATA 4 0x021b0828 0x33333333
+
+DATA 4 0x021b481c 0x33333333
+DATA 4 0x021b4820 0x33333333
+DATA 4 0x021b4824 0x33333333
+DATA 4 0x021b4828 0x33333333
+
+DATA 4 0x021b0018 0x00001740
+
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b000c 0x8A8F7975
+DATA 4 0x021b0010 0xFF538E64
+DATA 4 0x021b0014 0x01FF00DB
+DATA 4 0x021b002c 0x000026D2
+
+DATA 4 0x021b0030 0x008F0E21
+DATA 4 0x021b0008 0x09444040
+DATA 4 0x021b0004 0x00020036
+DATA 4 0x021b0040 0x00000047
+DATA 4 0x021b0000 0x841A0000
+
+DATA 4 0x021b001c 0x04088032
+DATA 4 0x021b001c 0x00008033
+DATA 4 0x021b001c 0x00428031
+DATA 4 0x021b001c 0x09408030
+
+DATA 4 0x021b001c 0x04008040
+DATA 4 0x021b0800 0xA1380003
+DATA 4 0x021b0020 0x00005800
+DATA 4 0x021b0818 0x00000007
+DATA 4 0x021b4818 0x00000007
+
+/* Calibration values based on ARD and 528MHz */
+DATA 4 0x021b083c 0x434B0358
+DATA 4 0x021b0840 0x033D033C
+DATA 4 0x021b483c 0x03520362
+DATA 4 0x021b4840 0x03480318
+DATA 4 0x021b0848 0x41383A3C
+DATA 4 0x021b4848 0x3F3C374A
+DATA 4 0x021b0850 0x42434444
+DATA 4 0x021b4850 0x4932473A
+
+DATA 4 0x021b080c 0x001F001F
+DATA 4 0x021b0810 0x001F001F
+
+DATA 4 0x021b480c 0x001F001F
+DATA 4 0x021b4810 0x001F001F
+
+DATA 4 0x021b08b8 0x00000800
+DATA 4 0x021b48b8 0x00000800
+
+DATA 4 0x021b0404 0x00011006
+DATA 4 0x021b0004 0x00025576
+
+DATA 4 0x021b001c 0x00000000
+
+DATA 4 0x020c4068 0x00C03F3F
+DATA 4 0x020c406c 0x0030FC00
+DATA 4 0x020c4070 0x0FFFC000
+DATA 4 0x020c4074 0x3FF00000
+DATA 4 0x020c4078 0x00FFF300
+DATA 4 0x020c407c 0x0F0000C3
+DATA 4 0x020c4080 0x000003FF
diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
new file mode 100644
index 0000000..2a6e3a9
--- /dev/null
+++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
@@ -0,0 +1,314 @@
+/*
+ * Copyright (C) 2012 Freescale Semiconductor, Inc.
+ *
+ * Author: Fabio Estevam <fabio.estevam@freescale.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6q_pins.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/boot_mode.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <asm/arch/sys_proto.h>
+#include <i2c.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
+	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |			\
+	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |			\
+	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
+#define I2C_PAD_CTRL	(PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |	\
+	PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
+	return 0;
+}
+
+iomux_v3_cfg_t const uart4_pads[] = {
+	MX6_PAD_KEY_COL0__UART4_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX6_PAD_KEY_ROW0__UART4_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+iomux_v3_cfg_t const enet_pads[] = {
+	MX6_PAD_KEY_COL1__ENET_MDIO		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_KEY_COL2__ENET_MDC		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TXC__ENET_RGMII_TXC	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TD0__ENET_RGMII_TD0	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TD1__ENET_RGMII_TD1	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TD2__ENET_RGMII_TD2	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TD3__ENET_RGMII_TD3	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_ENET_REF_CLK__ENET_TX_CLK	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RXC__ENET_RGMII_RXC	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RD0__ENET_RGMII_RD0	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RD1__ENET_RGMII_RD1	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RD2__ENET_RGMII_RD2	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RD3__ENET_RGMII_RD3	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+};
+
+/* I2C2 PMIC, iPod, Tuner, Codec, Touch, HDMI EDID, MIPI CSI2 card */
+struct i2c_pads_info i2c_pad_info1 = {
+	.scl = {
+		.i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC,
+		.gpio_mode = MX6_PAD_EIM_EB2__GPIO_2_30 | PC,
+		.gp = IMX_GPIO_NR(2, 30)
+	},
+	.sda = {
+		.i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC,
+		.gpio_mode = MX6_PAD_KEY_ROW3__GPIO_4_13 | PC,
+		.gp = IMX_GPIO_NR(4, 13)
+	}
+};
+
+/*
+ * I2C3 MLB, Port Expanders (A, B, C), Video ADC, Light Sensor,
+ * Compass Sensor, Accelerometer, Res Touch
+ */
+struct i2c_pads_info i2c_pad_info2 = {
+	.scl = {
+		.i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC,
+		.gpio_mode = MX6_PAD_GPIO_3__GPIO_1_3 | PC,
+		.gp = IMX_GPIO_NR(1, 3)
+	},
+	.sda = {
+		.i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
+		.gpio_mode = MX6_PAD_EIM_D18__GPIO_3_18 | PC,
+		.gp = IMX_GPIO_NR(3, 18)
+	}
+};
+
+iomux_v3_cfg_t const i2c3_pads[] = {
+	MX6_PAD_EIM_A24__GPIO_5_4		| MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+iomux_v3_cfg_t const port_exp[] = {
+	MX6_PAD_SD2_DAT0__GPIO_1_15		| MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static void setup_iomux_enet(void)
+{
+	imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
+}
+
+iomux_v3_cfg_t const usdhc3_pads[] = {
+	MX6_PAD_SD3_CLK__USDHC3_CLK	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_CMD__USDHC3_CMD	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT0__USDHC3_DAT0	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT1__USDHC3_DAT1	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT2__USDHC3_DAT2	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT3__USDHC3_DAT3	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT4__USDHC3_DAT4	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT5__USDHC3_DAT5	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT6__USDHC3_DAT6	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT7__USDHC3_DAT7	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_GPIO_18__USDHC3_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NANDF_CS2__GPIO_6_15   | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+	imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
+}
+
+#ifdef CONFIG_FSL_ESDHC
+struct fsl_esdhc_cfg usdhc_cfg[1] = {
+	{USDHC3_BASE_ADDR},
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	gpio_direction_input(IMX_GPIO_NR(6, 15));
+	return !gpio_get_value(IMX_GPIO_NR(6, 15));
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+
+	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+#endif
+
+int mx6_rgmii_rework(struct phy_device *phydev)
+{
+	unsigned short val;
+
+	/* To enable AR8031 ouput a 125MHz clk from CLK_25M */
+	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
+
+	val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
+	val &= 0xffe3;
+	val |= 0x18;
+	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
+
+	/* introduce tx clock delay */
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
+	val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
+	val |= 0x0100;
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
+
+	return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+	mx6_rgmii_rework(phydev);
+
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int ret;
+
+	setup_iomux_enet();
+
+	ret = cpu_eth_init(bis);
+	if (ret)
+		printf("FEC MXC: %s:failed\n", __func__);
+
+	return 0;
+}
+
+#define BOARD_REV_B  0x200
+#define BOARD_REV_A  0x100
+
+static int mx6sabre_rev(void)
+{
+	/*
+	 * Get Board ID information from OCOTP_GP1[15:8]
+	 * i.MX6Q ARD RevA: 0x01
+	 * i.MX6Q ARD RevB: 0x02
+	 */
+	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+	struct fuse_bank *bank = &ocotp->bank[4];
+	struct fuse_bank4_regs *fuse =
+			(struct fuse_bank4_regs *)bank->fuse_regs;
+	int reg = readl(&fuse->gp1);
+	int ret;
+
+	switch (reg >> 8 & 0x0F) {
+	case 0x02:
+		ret = BOARD_REV_B;
+		break;
+	case 0x01:
+	default:
+		ret = BOARD_REV_A;
+		break;
+	}
+
+	return ret;
+}
+
+u32 get_board_rev(void)
+{
+	int rev = mx6sabre_rev();
+
+	return (get_cpu_rev() & ~(0xF << 8)) | rev;
+}
+
+int board_early_init_f(void)
+{
+	setup_iomux_uart();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	/* I2C 2 and 3 setup - I2C 3 hw mux with EIM */
+	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+	/* I2C 3 Steer */
+	gpio_direction_output(IMX_GPIO_NR(5, 4), 1);
+	imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads));
+	setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
+
+	gpio_direction_output(IMX_GPIO_NR(1, 15), 1);
+	imx_iomux_v3_setup_multiple_pads(port_exp, ARRAY_SIZE(port_exp));
+
+	return 0;
+}
+
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_modes[] = {
+	/* 4 bit bus width */
+	{"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
+	{NULL,   0},
+};
+#endif
+
+int board_late_init(void)
+{
+#ifdef CONFIG_CMD_BMODE
+	add_board_boot_modes(board_boot_modes);
+#endif
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	int rev = mx6sabre_rev();
+	char *revname;
+
+	switch (rev) {
+	case BOARD_REV_B:
+		revname = "B";
+		break;
+	case BOARD_REV_A:
+	default:
+		revname = "A";
+		break;
+	}
+
+	printf("Board: MX6Q-Sabreauto rev%s\n", revname);
+
+	return 0;
+}