LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
endif
-ifeq ($(SOC),mx5)
-LIBS-y += $(CPUDIR)/imx-common/libimx-common.o
-endif
-ifeq ($(SOC),mx6)
-LIBS-y += $(CPUDIR)/imx-common/libimx-common.o
+ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
+LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
endif
ifeq ($(SOC),s5pc1xx)
+++ /dev/null
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2011 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., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)libimx-common.o
-
-COBJS-y = iomux-v3.o timer.o cpu.o speed.o
-COBJS-$(CONFIG_I2C_MXC) += i2c.o
-COBJS-$(CONFIG_CMD_BMODE) += cmd_bmode.o
-COBJS := $(sort $(COBJS-y))
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- * Copyright (C) 2012 Boundary Devices 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <asm/errno.h>
-#include <asm/io.h>
-#include <asm/imx-common/boot_mode.h>
-#include <malloc.h>
-
-static const struct boot_mode *modes[2];
-
-static const struct boot_mode *search_modes(char *arg)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(modes); i++) {
- const struct boot_mode *p = modes[i];
- if (p) {
- while (p->name) {
- if (!strcmp(p->name, arg))
- return p;
- p++;
- }
- }
- }
- return NULL;
-}
-
-static int create_usage(char *dest)
-{
- int i;
- int size = 0;
-
- for (i = 0; i < ARRAY_SIZE(modes); i++) {
- const struct boot_mode *p = modes[i];
- if (p) {
- while (p->name) {
- int len = strlen(p->name);
- if (dest) {
- memcpy(dest, p->name, len);
- dest += len;
- *dest++ = '|';
- }
- size += len + 1;
- p++;
- }
- }
- }
- if (dest)
- memcpy(dest - 1, " [noreset]", 11); /* include trailing 0 */
- size += 10;
- return size;
-}
-
-static int do_boot_mode(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
-{
- const struct boot_mode *p;
- int reset_requested = 1;
-
- if (argc < 2)
- return CMD_RET_USAGE;
- p = search_modes(argv[1]);
- if (!p)
- return CMD_RET_USAGE;
- if (argc == 3) {
- if (strcmp(argv[2], "noreset"))
- return CMD_RET_USAGE;
- reset_requested = 0;
- }
-
- boot_mode_apply(p->cfg_val);
- if (reset_requested && p->cfg_val)
- do_reset(NULL, 0, 0, NULL);
- return 0;
-}
-
-U_BOOT_CMD(
- bmode, 3, 0, do_boot_mode,
- NULL,
- "");
-
-void add_board_boot_modes(const struct boot_mode *p)
-{
- int size;
- char *dest;
-
- if (__u_boot_cmd_bmode.usage) {
- free(__u_boot_cmd_bmode.usage);
- __u_boot_cmd_bmode.usage = NULL;
- }
-
- modes[0] = p;
- modes[1] = soc_boot_modes;
- size = create_usage(NULL);
- dest = malloc(size);
- if (dest) {
- create_usage(dest);
- __u_boot_cmd_bmode.usage = dest;
- }
-}
+++ /dev/null
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * (C) Copyright 2009 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/errno.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/crm_regs.h>
-
-#ifdef CONFIG_FSL_ESDHC
-#include <fsl_esdhc.h>
-#endif
-
-char *get_reset_cause(void)
-{
- u32 cause;
- struct src *src_regs = (struct src *)SRC_BASE_ADDR;
-
- cause = readl(&src_regs->srsr);
- writel(cause, &src_regs->srsr);
-
- switch (cause) {
- case 0x00001:
- case 0x00011:
- return "POR";
- case 0x00004:
- return "CSU";
- case 0x00008:
- return "IPP USER";
- case 0x00010:
- return "WDOG";
- case 0x00020:
- return "JTAG HIGH-Z";
- case 0x00040:
- return "JTAG SW";
- case 0x10000:
- return "WARM BOOT";
- default:
- return "unknown reset";
- }
-}
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-
-static const char *get_imx_type(u32 imxtype)
-{
- switch (imxtype) {
- case 0x63:
- return "6Q"; /* Quad-core version of the mx6 */
- case 0x61:
- return "6DS"; /* Dual/Solo version of the mx6 */
- case 0x60:
- return "6SL"; /* Solo-Lite version of the mx6 */
- case 0x51:
- return "51";
- case 0x53:
- return "53";
- default:
- return "??";
- }
-}
-
-int print_cpuinfo(void)
-{
- u32 cpurev;
-
- cpurev = get_cpu_rev();
-
- printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n",
- get_imx_type((cpurev & 0xFF000) >> 12),
- (cpurev & 0x000F0) >> 4,
- (cpurev & 0x0000F) >> 0,
- mxc_get_clock(MXC_ARM_CLK) / 1000000);
- printf("Reset cause: %s\n", get_reset_cause());
- return 0;
-}
-#endif
-
-int cpu_eth_init(bd_t *bis)
-{
- int rc = -ENODEV;
-
-#if defined(CONFIG_FEC_MXC)
- rc = fecmxc_initialize(bis);
-#endif
-
- return rc;
-}
-
-#ifdef CONFIG_FSL_ESDHC
-/*
- * Initializes on-chip MMC controllers.
- * to override, implement board_mmc_init()
- */
-int cpu_mmc_init(bd_t *bis)
-{
- return fsl_esdhc_mmc_init(bis);
-}
-#endif
-
-void reset_cpu(ulong addr)
-{
- __raw_writew(4, WDOG1_BASE_ADDR);
-}
-
-u32 get_ahb_clk(void)
-{
- struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
- u32 reg, ahb_podf;
-
- reg = __raw_readl(&imx_ccm->cbcdr);
- reg &= MXC_CCM_CBCDR_AHB_PODF_MASK;
- ahb_podf = reg >> MXC_CCM_CBCDR_AHB_PODF_OFFSET;
-
- return get_periph_clk() / (ahb_podf + 1);
-}
+++ /dev/null
-/*
- * Copyright (C) 2012 Boundary Devices 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/errno.h>
-#include <asm/gpio.h>
-#include <asm/imx-common/mxc_i2c.h>
-#include <watchdog.h>
-
-static int force_idle_bus(void *priv)
-{
- int i;
- int sda, scl;
- ulong elapsed, start_time;
- struct i2c_pads_info *p = (struct i2c_pads_info *)priv;
- int ret = 0;
-
- gpio_direction_input(p->sda.gp);
- gpio_direction_input(p->scl.gp);
-
- imx_iomux_v3_setup_pad(p->sda.gpio_mode);
- imx_iomux_v3_setup_pad(p->scl.gpio_mode);
-
- sda = gpio_get_value(p->sda.gp);
- scl = gpio_get_value(p->scl.gp);
- if ((sda & scl) == 1)
- goto exit; /* Bus is idle already */
-
- printf("%s: sda=%d scl=%d sda.gp=0x%x scl.gp=0x%x\n", __func__,
- sda, scl, p->sda.gp, p->scl.gp);
- /* Send high and low on the SCL line */
- for (i = 0; i < 9; i++) {
- gpio_direction_output(p->scl.gp, 0);
- udelay(50);
- gpio_direction_input(p->scl.gp);
- udelay(50);
- }
- start_time = get_timer(0);
- for (;;) {
- sda = gpio_get_value(p->sda.gp);
- scl = gpio_get_value(p->scl.gp);
- if ((sda & scl) == 1)
- break;
- WATCHDOG_RESET();
- elapsed = get_timer(start_time);
- if (elapsed > (CONFIG_SYS_HZ / 5)) { /* .2 seconds */
- ret = -EBUSY;
- printf("%s: failed to clear bus, sda=%d scl=%d\n",
- __func__, sda, scl);
- break;
- }
- }
-exit:
- imx_iomux_v3_setup_pad(p->sda.i2c_mode);
- imx_iomux_v3_setup_pad(p->scl.i2c_mode);
- return ret;
-}
-
-static void * const i2c_bases[] = {
- (void *)I2C1_BASE_ADDR,
- (void *)I2C2_BASE_ADDR,
-#ifdef I2C3_BASE_ADDR
- (void *)I2C3_BASE_ADDR,
-#endif
-};
-
-/* i2c_index can be from 0 - 2 */
-void setup_i2c(unsigned i2c_index, int speed, int slave_addr,
- struct i2c_pads_info *p)
-{
- if (i2c_index >= ARRAY_SIZE(i2c_bases))
- return;
- /* Enable i2c clock */
- enable_i2c_clk(1, i2c_index);
- /* Make sure bus is idle */
- force_idle_bus(p);
- bus_i2c_init(i2c_bases[i2c_index], speed, slave_addr,
- force_idle_bus, p);
-}
+++ /dev/null
-/*
- * Based on the iomux-v3.c from Linux kernel:
- * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
- * Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH,
- * <armlinux@phytec.de>
- *
- * Copyright (C) 2004-2011 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., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- */
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/imx-common/iomux-v3.h>
-
-static void *base = (void *)IOMUXC_BASE_ADDR;
-
-/*
- * configures a single pad in the iomuxer
- */
-int imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
-{
- u32 mux_ctrl_ofs = (pad & MUX_CTRL_OFS_MASK) >> MUX_CTRL_OFS_SHIFT;
- u32 mux_mode = (pad & MUX_MODE_MASK) >> MUX_MODE_SHIFT;
- u32 sel_input_ofs =
- (pad & MUX_SEL_INPUT_OFS_MASK) >> MUX_SEL_INPUT_OFS_SHIFT;
- u32 sel_input =
- (pad & MUX_SEL_INPUT_MASK) >> MUX_SEL_INPUT_SHIFT;
- u32 pad_ctrl_ofs =
- (pad & MUX_PAD_CTRL_OFS_MASK) >> MUX_PAD_CTRL_OFS_SHIFT;
- u32 pad_ctrl = (pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT;
-
- if (mux_ctrl_ofs)
- __raw_writel(mux_mode, base + mux_ctrl_ofs);
-
- if (sel_input_ofs)
- __raw_writel(sel_input, base + sel_input_ofs);
-
- if (!(pad_ctrl & NO_PAD_CTRL) && pad_ctrl_ofs)
- __raw_writel(pad_ctrl, base + pad_ctrl_ofs);
-
- return 0;
-}
-
-int imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count)
-{
- iomux_v3_cfg_t *p = pad_list;
- int i;
- int ret;
-
- for (i = 0; i < count; i++) {
- ret = imx_iomux_v3_setup_pad(*p);
- if (ret)
- return ret;
- p++;
- }
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2000-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
- * TsiChung Liew (Tsi-Chung.Liew@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.
- *
- * 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 <common.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-
-#ifdef CONFIG_FSL_ESDHC
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
-int get_clocks(void)
-{
-#ifdef CONFIG_FSL_ESDHC
-#ifdef CONFIG_FSL_USDHC
- gd->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
-#else
- gd->sdhc_clk = mxc_get_clock(MXC_IPG_PERCLK);
-#endif
-#endif
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * (C) Copyright 2009 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <div64.h>
-#include <asm/arch/imx-regs.h>
-
-/* General purpose timers registers */
-struct mxc_gpt {
- unsigned int control;
- unsigned int prescaler;
- unsigned int status;
- unsigned int nouse[6];
- unsigned int counter;
-};
-
-static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR;
-
-/* General purpose timers bitfields */
-#define GPTCR_SWR (1 << 15) /* Software reset */
-#define GPTCR_FRR (1 << 9) /* Freerun / restart */
-#define GPTCR_CLKSOURCE_32 (4 << 6) /* Clock source */
-#define GPTCR_TEN 1 /* Timer enable */
-#define CLK_32KHZ 32768 /* 32Khz input */
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define timestamp (gd->tbl)
-#define lastinc (gd->lastinc)
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- tick *= CONFIG_SYS_HZ;
- do_div(tick, CLK_32KHZ);
-
- return tick;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long usec)
-{
- usec = usec * CLK_32KHZ + 999999;
- do_div(usec, 1000000);
-
- return usec;
-}
-
-int timer_init(void)
-{
- int i;
- ulong val;
-
- /* setup GP Timer 1 */
- __raw_writel(GPTCR_SWR, &cur_gpt->control);
-
- /* We have no udelay by now */
- for (i = 0; i < 100; i++)
- __raw_writel(0, &cur_gpt->control);
-
- __raw_writel(0, &cur_gpt->prescaler); /* 32Khz */
-
- /* Freerun Mode, PERCLK1 input */
- i = __raw_readl(&cur_gpt->control);
- __raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control);
-
- val = __raw_readl(&cur_gpt->counter);
- lastinc = val / (CLK_32KHZ / CONFIG_SYS_HZ);
- timestamp = 0;
-
- return 0;
-}
-
-unsigned long long get_ticks(void)
-{
- ulong now = __raw_readl(&cur_gpt->counter); /* current tick value */
-
- if (now >= lastinc) {
- /*
- * normal mode (non roll)
- * move stamp forward with absolut diff ticks
- */
- timestamp += (now - lastinc);
- } else {
- /* we have rollover of incrementer */
- timestamp += (0xFFFFFFFF - lastinc) + now;
- }
- lastinc = now;
- return timestamp;
-}
-
-ulong get_timer_masked(void)
-{
- /*
- * get_ticks() returns a long long (64 bit), it wraps in
- * 2^64 / CONFIG_MX25_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
- * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
- * 5 * 10^6 days - long enough.
- */
- return tick_to_time(get_ticks());
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-/* delay x useconds AND preserve advance timstamp value */
-void __udelay(unsigned long usec)
-{
- unsigned long long tmp;
- ulong tmo;
-
- tmo = us_to_tick(usec);
- tmp = get_ticks() + tmo; /* get current timestamp */
-
- while (get_ticks() < tmp) /* loop till event */
- /*NOP*/;
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
- return CLK_32KHZ;
-}
--- /dev/null
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2011 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., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)libimx-common.o
+
+ifeq ($(SOC),$(filter $(SOC),mx5 mx6))
+COBJS-y = iomux-v3.o timer.o cpu.o speed.o
+COBJS-$(CONFIG_I2C_MXC) += i2c-mxv7.o
+endif
+COBJS-$(CONFIG_CMD_BMODE) += cmd_bmode.o
+COBJS := $(sort $(COBJS-y))
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ * Copyright (C) 2012 Boundary Devices 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/imx-common/boot_mode.h>
+#include <malloc.h>
+
+static const struct boot_mode *modes[2];
+
+static const struct boot_mode *search_modes(char *arg)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(modes); i++) {
+ const struct boot_mode *p = modes[i];
+ if (p) {
+ while (p->name) {
+ if (!strcmp(p->name, arg))
+ return p;
+ p++;
+ }
+ }
+ }
+ return NULL;
+}
+
+static int create_usage(char *dest)
+{
+ int i;
+ int size = 0;
+
+ for (i = 0; i < ARRAY_SIZE(modes); i++) {
+ const struct boot_mode *p = modes[i];
+ if (p) {
+ while (p->name) {
+ int len = strlen(p->name);
+ if (dest) {
+ memcpy(dest, p->name, len);
+ dest += len;
+ *dest++ = '|';
+ }
+ size += len + 1;
+ p++;
+ }
+ }
+ }
+ if (dest)
+ memcpy(dest - 1, " [noreset]", 11); /* include trailing 0 */
+ size += 10;
+ return size;
+}
+
+static int do_boot_mode(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ const struct boot_mode *p;
+ int reset_requested = 1;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+ p = search_modes(argv[1]);
+ if (!p)
+ return CMD_RET_USAGE;
+ if (argc == 3) {
+ if (strcmp(argv[2], "noreset"))
+ return CMD_RET_USAGE;
+ reset_requested = 0;
+ }
+
+ boot_mode_apply(p->cfg_val);
+ if (reset_requested && p->cfg_val)
+ do_reset(NULL, 0, 0, NULL);
+ return 0;
+}
+
+U_BOOT_CMD(
+ bmode, 3, 0, do_boot_mode,
+ NULL,
+ "");
+
+void add_board_boot_modes(const struct boot_mode *p)
+{
+ int size;
+ char *dest;
+
+ if (__u_boot_cmd_bmode.usage) {
+ free(__u_boot_cmd_bmode.usage);
+ __u_boot_cmd_bmode.usage = NULL;
+ }
+
+ modes[0] = p;
+ modes[1] = soc_boot_modes;
+ size = create_usage(NULL);
+ dest = malloc(size);
+ if (dest) {
+ create_usage(dest);
+ __u_boot_cmd_bmode.usage = dest;
+ }
+}
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/crm_regs.h>
+
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
+
+char *get_reset_cause(void)
+{
+ u32 cause;
+ struct src *src_regs = (struct src *)SRC_BASE_ADDR;
+
+ cause = readl(&src_regs->srsr);
+ writel(cause, &src_regs->srsr);
+
+ switch (cause) {
+ case 0x00001:
+ case 0x00011:
+ return "POR";
+ case 0x00004:
+ return "CSU";
+ case 0x00008:
+ return "IPP USER";
+ case 0x00010:
+ return "WDOG";
+ case 0x00020:
+ return "JTAG HIGH-Z";
+ case 0x00040:
+ return "JTAG SW";
+ case 0x10000:
+ return "WARM BOOT";
+ default:
+ return "unknown reset";
+ }
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+
+static const char *get_imx_type(u32 imxtype)
+{
+ switch (imxtype) {
+ case 0x63:
+ return "6Q"; /* Quad-core version of the mx6 */
+ case 0x61:
+ return "6DS"; /* Dual/Solo version of the mx6 */
+ case 0x60:
+ return "6SL"; /* Solo-Lite version of the mx6 */
+ case 0x51:
+ return "51";
+ case 0x53:
+ return "53";
+ default:
+ return "??";
+ }
+}
+
+int print_cpuinfo(void)
+{
+ u32 cpurev;
+
+ cpurev = get_cpu_rev();
+
+ printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n",
+ get_imx_type((cpurev & 0xFF000) >> 12),
+ (cpurev & 0x000F0) >> 4,
+ (cpurev & 0x0000F) >> 0,
+ mxc_get_clock(MXC_ARM_CLK) / 1000000);
+ printf("Reset cause: %s\n", get_reset_cause());
+ return 0;
+}
+#endif
+
+int cpu_eth_init(bd_t *bis)
+{
+ int rc = -ENODEV;
+
+#if defined(CONFIG_FEC_MXC)
+ rc = fecmxc_initialize(bis);
+#endif
+
+ return rc;
+}
+
+#ifdef CONFIG_FSL_ESDHC
+/*
+ * Initializes on-chip MMC controllers.
+ * to override, implement board_mmc_init()
+ */
+int cpu_mmc_init(bd_t *bis)
+{
+ return fsl_esdhc_mmc_init(bis);
+}
+#endif
+
+void reset_cpu(ulong addr)
+{
+ __raw_writew(4, WDOG1_BASE_ADDR);
+}
+
+u32 get_ahb_clk(void)
+{
+ struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+ u32 reg, ahb_podf;
+
+ reg = __raw_readl(&imx_ccm->cbcdr);
+ reg &= MXC_CCM_CBCDR_AHB_PODF_MASK;
+ ahb_podf = reg >> MXC_CCM_CBCDR_AHB_PODF_OFFSET;
+
+ return get_periph_clk() / (ahb_podf + 1);
+}
--- /dev/null
+/*
+ * Copyright (C) 2012 Boundary Devices 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <watchdog.h>
+
+static int force_idle_bus(void *priv)
+{
+ int i;
+ int sda, scl;
+ ulong elapsed, start_time;
+ struct i2c_pads_info *p = (struct i2c_pads_info *)priv;
+ int ret = 0;
+
+ gpio_direction_input(p->sda.gp);
+ gpio_direction_input(p->scl.gp);
+
+ imx_iomux_v3_setup_pad(p->sda.gpio_mode);
+ imx_iomux_v3_setup_pad(p->scl.gpio_mode);
+
+ sda = gpio_get_value(p->sda.gp);
+ scl = gpio_get_value(p->scl.gp);
+ if ((sda & scl) == 1)
+ goto exit; /* Bus is idle already */
+
+ printf("%s: sda=%d scl=%d sda.gp=0x%x scl.gp=0x%x\n", __func__,
+ sda, scl, p->sda.gp, p->scl.gp);
+ /* Send high and low on the SCL line */
+ for (i = 0; i < 9; i++) {
+ gpio_direction_output(p->scl.gp, 0);
+ udelay(50);
+ gpio_direction_input(p->scl.gp);
+ udelay(50);
+ }
+ start_time = get_timer(0);
+ for (;;) {
+ sda = gpio_get_value(p->sda.gp);
+ scl = gpio_get_value(p->scl.gp);
+ if ((sda & scl) == 1)
+ break;
+ WATCHDOG_RESET();
+ elapsed = get_timer(start_time);
+ if (elapsed > (CONFIG_SYS_HZ / 5)) { /* .2 seconds */
+ ret = -EBUSY;
+ printf("%s: failed to clear bus, sda=%d scl=%d\n",
+ __func__, sda, scl);
+ break;
+ }
+ }
+exit:
+ imx_iomux_v3_setup_pad(p->sda.i2c_mode);
+ imx_iomux_v3_setup_pad(p->scl.i2c_mode);
+ return ret;
+}
+
+static void * const i2c_bases[] = {
+ (void *)I2C1_BASE_ADDR,
+ (void *)I2C2_BASE_ADDR,
+#ifdef I2C3_BASE_ADDR
+ (void *)I2C3_BASE_ADDR,
+#endif
+};
+
+/* i2c_index can be from 0 - 2 */
+void setup_i2c(unsigned i2c_index, int speed, int slave_addr,
+ struct i2c_pads_info *p)
+{
+ if (i2c_index >= ARRAY_SIZE(i2c_bases))
+ return;
+ /* Enable i2c clock */
+ enable_i2c_clk(1, i2c_index);
+ /* Make sure bus is idle */
+ force_idle_bus(p);
+ bus_i2c_init(i2c_bases[i2c_index], speed, slave_addr,
+ force_idle_bus, p);
+}
--- /dev/null
+/*
+ * Based on the iomux-v3.c from Linux kernel:
+ * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
+ * Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH,
+ * <armlinux@phytec.de>
+ *
+ * Copyright (C) 2004-2011 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/imx-common/iomux-v3.h>
+
+static void *base = (void *)IOMUXC_BASE_ADDR;
+
+/*
+ * configures a single pad in the iomuxer
+ */
+int imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
+{
+ u32 mux_ctrl_ofs = (pad & MUX_CTRL_OFS_MASK) >> MUX_CTRL_OFS_SHIFT;
+ u32 mux_mode = (pad & MUX_MODE_MASK) >> MUX_MODE_SHIFT;
+ u32 sel_input_ofs =
+ (pad & MUX_SEL_INPUT_OFS_MASK) >> MUX_SEL_INPUT_OFS_SHIFT;
+ u32 sel_input =
+ (pad & MUX_SEL_INPUT_MASK) >> MUX_SEL_INPUT_SHIFT;
+ u32 pad_ctrl_ofs =
+ (pad & MUX_PAD_CTRL_OFS_MASK) >> MUX_PAD_CTRL_OFS_SHIFT;
+ u32 pad_ctrl = (pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT;
+
+ if (mux_ctrl_ofs)
+ __raw_writel(mux_mode, base + mux_ctrl_ofs);
+
+ if (sel_input_ofs)
+ __raw_writel(sel_input, base + sel_input_ofs);
+
+ if (!(pad_ctrl & NO_PAD_CTRL) && pad_ctrl_ofs)
+ __raw_writel(pad_ctrl, base + pad_ctrl_ofs);
+
+ return 0;
+}
+
+int imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count)
+{
+ iomux_v3_cfg_t *p = pad_list;
+ int i;
+ int ret;
+
+ for (i = 0; i < count; i++) {
+ ret = imx_iomux_v3_setup_pad(*p);
+ if (ret)
+ return ret;
+ p++;
+ }
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@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.
+ *
+ * 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 <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+
+#ifdef CONFIG_FSL_ESDHC
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
+int get_clocks(void)
+{
+#ifdef CONFIG_FSL_ESDHC
+#ifdef CONFIG_FSL_USDHC
+ gd->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+#else
+ gd->sdhc_clk = mxc_get_clock(MXC_IPG_PERCLK);
+#endif
+#endif
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <div64.h>
+#include <asm/arch/imx-regs.h>
+
+/* General purpose timers registers */
+struct mxc_gpt {
+ unsigned int control;
+ unsigned int prescaler;
+ unsigned int status;
+ unsigned int nouse[6];
+ unsigned int counter;
+};
+
+static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR;
+
+/* General purpose timers bitfields */
+#define GPTCR_SWR (1 << 15) /* Software reset */
+#define GPTCR_FRR (1 << 9) /* Freerun / restart */
+#define GPTCR_CLKSOURCE_32 (4 << 6) /* Clock source */
+#define GPTCR_TEN 1 /* Timer enable */
+#define CLK_32KHZ 32768 /* 32Khz input */
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define timestamp (gd->tbl)
+#define lastinc (gd->lastinc)
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+ tick *= CONFIG_SYS_HZ;
+ do_div(tick, CLK_32KHZ);
+
+ return tick;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long usec)
+{
+ usec = usec * CLK_32KHZ + 999999;
+ do_div(usec, 1000000);
+
+ return usec;
+}
+
+int timer_init(void)
+{
+ int i;
+ ulong val;
+
+ /* setup GP Timer 1 */
+ __raw_writel(GPTCR_SWR, &cur_gpt->control);
+
+ /* We have no udelay by now */
+ for (i = 0; i < 100; i++)
+ __raw_writel(0, &cur_gpt->control);
+
+ __raw_writel(0, &cur_gpt->prescaler); /* 32Khz */
+
+ /* Freerun Mode, PERCLK1 input */
+ i = __raw_readl(&cur_gpt->control);
+ __raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control);
+
+ val = __raw_readl(&cur_gpt->counter);
+ lastinc = val / (CLK_32KHZ / CONFIG_SYS_HZ);
+ timestamp = 0;
+
+ return 0;
+}
+
+unsigned long long get_ticks(void)
+{
+ ulong now = __raw_readl(&cur_gpt->counter); /* current tick value */
+
+ if (now >= lastinc) {
+ /*
+ * normal mode (non roll)
+ * move stamp forward with absolut diff ticks
+ */
+ timestamp += (now - lastinc);
+ } else {
+ /* we have rollover of incrementer */
+ timestamp += (0xFFFFFFFF - lastinc) + now;
+ }
+ lastinc = now;
+ return timestamp;
+}
+
+ulong get_timer_masked(void)
+{
+ /*
+ * get_ticks() returns a long long (64 bit), it wraps in
+ * 2^64 / CONFIG_MX25_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+ * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
+ * 5 * 10^6 days - long enough.
+ */
+ return tick_to_time(get_ticks());
+}
+
+ulong get_timer(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+/* delay x useconds AND preserve advance timstamp value */
+void __udelay(unsigned long usec)
+{
+ unsigned long long tmp;
+ ulong tmo;
+
+ tmo = us_to_tick(usec);
+ tmp = get_ticks() + tmo; /* get current timestamp */
+
+ while (get_ticks() < tmp) /* loop till event */
+ /*NOP*/;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ return CLK_32KHZ;
+}
projects / u-boot / commitdiff