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From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH v3 10/18] i.MX: Add provisions to boot from IRAM
Date: Wed,  6 May 2015 12:32:05 -0700	[thread overview]
Message-ID: <1430940733-4415-11-git-send-email-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <1430940733-4415-1-git-send-email-andrew.smirnov@gmail.com>

This commit add a very basic code to allow Barebox to be booted from
IRAM. Given that the amount of IRAM on most i.MX variants is
insufficient to contain a copy of Barebox with any reasonable degree
of functionality this code uses IRAM only as a temporary location and
eventually bootstraps from DRAM. But the presense of the intermediate
IRAM-only stage allows to add provisions to test the area of DRAM that
Barebox would be using to facilitate various testing scenarious.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 Documentation/boards/imx.rst                       | 27 ++++++++++
 arch/arm/boards/freescale-mx51-babbage/Makefile    |  3 ++
 arch/arm/boards/freescale-mx51-babbage/board.c     | 60 ++++++++++++++++++++++
 .../flash-header-common.imxcfg                     | 58 +++++++++++++++++++++
 .../flash-header-imx51-babbage-xload.imxcfg        |  3 ++
 .../flash-header-imx51-babbage.imxcfg              | 60 +---------------------
 arch/arm/boards/freescale-mx51-babbage/lowlevel.c  | 25 +++++++++
 arch/arm/configs/imx_v7-xload_defconfig            | 52 +++++++++++++++++++
 arch/arm/mach-imx/Kconfig                          | 15 ++++++
 arch/arm/mach-imx/Makefile                         |  1 +
 arch/arm/mach-imx/xload.c                          | 52 +++++++++++++++++++
 images/Makefile.imx                                | 20 +++++++-
 12 files changed, 317 insertions(+), 59 deletions(-)
 create mode 100644 arch/arm/boards/freescale-mx51-babbage/flash-header-common.imxcfg
 create mode 100644 arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage-xload.imxcfg
 create mode 100644 arch/arm/configs/imx_v7-xload_defconfig
 create mode 100644 arch/arm/mach-imx/xload.c

diff --git a/Documentation/boards/imx.rst b/Documentation/boards/imx.rst
index 466f69c..ef1a6a5 100644
--- a/Documentation/boards/imx.rst
+++ b/Documentation/boards/imx.rst
@@ -46,6 +46,33 @@ The images can also always be started second stage::
 
   bootm /mnt/tftp/barebox-freescale-imx51-babbage.img
 
+Internal Boot Mode Through Internal RAM(IRAM)
+---------------------------------------
+
+The Internal Boot Mode Through Internal RAM is supported on:
+
+* i.MX51
+
+As can be easily deduced from its name, the Internal Boot Mode Through
+Internal RAM is just a variant of Internal Boot Mode so all of the
+stated above still applies in this case. What it differs in is the following:
+
+* Boot process is done in two stages(First stage binary can be
+  produced with ``imx_v7-xload_defconfig``)
+* DCD of the first stage image is set such that the image is fetched
+  into an unoccupied area or IRAM
+* First stage image once uncompressed and set up will look for a
+  second stage bootloader on the same media it booted from and start
+  it(see mach-imx/xload.c for more details)
+* Second stage images are just regular i.MX boot images
+
+Since on a typical i.MX SoC unused IRAM area is not enough to run
+anything but a PBL this mode, due to its very limited usability,
+serves only one purpose -- allow for a portion of a bootloader to be
+executed without depending on DRAM to be functional. This peculiarity
+of the mode can be used to implement various memory testing
+scenarious.
+
 USB Boot
 ^^^^^^^^
 
diff --git a/arch/arm/boards/freescale-mx51-babbage/Makefile b/arch/arm/boards/freescale-mx51-babbage/Makefile
index 6252c88..31b8fcd 100644
--- a/arch/arm/boards/freescale-mx51-babbage/Makefile
+++ b/arch/arm/boards/freescale-mx51-babbage/Makefile
@@ -1,3 +1,6 @@
 obj-y += board.o flash-header-imx51-babbage.dcd.o
 extra-y += flash-header-imx51-babbage.dcd.S flash-header-imx51-babbage.dcd
 lwl-y += lowlevel.o
+
+obj-$(CONFIG_ARCH_IMX_XLOAD) += flash-header-imx51-babbage-xload.dcd.o
+extra-$(CONFIG_ARCH_IMX_XLOAD) += flash-header-imx51-babbage-xload.dcd.S flash-header-imx51-babbage-xload.dcd
diff --git a/arch/arm/boards/freescale-mx51-babbage/board.c b/arch/arm/boards/freescale-mx51-babbage/board.c
index 001873b..6650ff3 100644
--- a/arch/arm/boards/freescale-mx51-babbage/board.c
+++ b/arch/arm/boards/freescale-mx51-babbage/board.c
@@ -169,3 +169,63 @@ static int imx51_babbage_init(void)
 	return 0;
 }
 coredevice_initcall(imx51_babbage_init);
+
+#ifdef CONFIG_ARCH_IMX_XLOAD
+
+static int imx51_babbage_xload_init_pinmux(void)
+{
+	static const iomux_v3_cfg_t pinmux[] = {
+		/* (e)CSPI */
+		MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
+		MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
+		MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
+
+		/* (e)CSPI chip select lines */
+		MX51_PAD_CSPI1_SS1__GPIO4_25,
+
+
+		/* eSDHC 1 */
+		MX51_PAD_SD1_CMD__SD1_CMD,
+		MX51_PAD_SD1_CLK__SD1_CLK,
+		MX51_PAD_SD1_DATA0__SD1_DATA0,
+		MX51_PAD_SD1_DATA1__SD1_DATA1,
+		MX51_PAD_SD1_DATA2__SD1_DATA2,
+		MX51_PAD_SD1_DATA3__SD1_DATA3,
+	};
+
+	mxc_iomux_v3_setup_multiple_pads(ARRAY_AND_SIZE(pinmux));
+
+	return 0;
+}
+coredevice_initcall(imx51_babbage_xload_init_pinmux);
+
+static int imx51_babbage_xload_init_devices(void)
+{
+	static int spi0_chipselects[] = {
+		IMX_GPIO_NR(4, 25),
+	};
+
+	static struct spi_imx_master spi0_pdata = {
+		.chipselect = spi0_chipselects,
+		.num_chipselect = ARRAY_SIZE(spi0_chipselects),
+	};
+
+	static const struct spi_board_info spi0_devices[] = {
+		{
+			.name		= "mtd_dataflash",
+			.chip_select	= 0,
+			.max_speed_hz	= 25 * 1000 * 1000,
+			.bus_num	= 0,
+		},
+	};
+
+	imx51_add_mmc0(NULL);
+
+	spi_register_board_info(ARRAY_AND_SIZE(spi0_devices));
+	imx51_add_spi0(&spi0_pdata);
+
+	return 0;
+}
+device_initcall(imx51_babbage_xload_init_devices);
+
+#endif
diff --git a/arch/arm/boards/freescale-mx51-babbage/flash-header-common.imxcfg b/arch/arm/boards/freescale-mx51-babbage/flash-header-common.imxcfg
new file mode 100644
index 0000000..1332b74
--- /dev/null
+++ b/arch/arm/boards/freescale-mx51-babbage/flash-header-common.imxcfg
@@ -0,0 +1,58 @@
+soc imx51
+dcdofs 0x400
+wm 32 0x73fa88a0 0x00000200
+wm 32 0x73fa850c 0x000020c5
+wm 32 0x73fa8510 0x000020c5
+wm 32 0x73fa883c 0x00000002
+wm 32 0x73fa8848 0x00000002
+wm 32 0x73fa84b8 0x000000e7
+wm 32 0x73fa84bc 0x00000045
+wm 32 0x73fa84c0 0x00000045
+wm 32 0x73fa84c4 0x00000045
+wm 32 0x73fa84c8 0x00000045
+wm 32 0x73fa8820 0x00000000
+wm 32 0x73fa84a4 0x00000003
+wm 32 0x73fa84a8 0x00000003
+wm 32 0x73fa84ac 0x000000e3
+wm 32 0x73fa84b0 0x000000e3
+wm 32 0x73fa84b4 0x000000e3
+wm 32 0x73fa84cc 0x000000e3
+wm 32 0x73fa84d0 0x000000e2
+wm 32 0x73fa882c 0x00000004
+wm 32 0x73fa88a4 0x00000004
+wm 32 0x73fa88ac 0x00000004
+wm 32 0x73fa88b8 0x00000004
+wm 32 0x83fd9000 0x82a20000
+wm 32 0x83fd9008 0x82a20000
+wm 32 0x83fd9010 0x000ad0d0
+wm 32 0x83fd9004 0x3f3584ab
+wm 32 0x83fd900c 0x3f3584ab
+wm 32 0x83fd9014 0x04008008
+wm 32 0x83fd9014 0x0000801a
+wm 32 0x83fd9014 0x0000801b
+wm 32 0x83fd9014 0x00448019
+wm 32 0x83fd9014 0x07328018
+wm 32 0x83fd9014 0x04008008
+wm 32 0x83fd9014 0x00008010
+wm 32 0x83fd9014 0x00008010
+wm 32 0x83fd9014 0x06328018
+wm 32 0x83fd9014 0x03808019
+wm 32 0x83fd9014 0x00408019
+wm 32 0x83fd9014 0x00008000
+wm 32 0x83fd9014 0x0400800c
+wm 32 0x83fd9014 0x0000801e
+wm 32 0x83fd9014 0x0000801f
+wm 32 0x83fd9014 0x0000801d
+wm 32 0x83fd9014 0x0732801c
+wm 32 0x83fd9014 0x0400800c
+wm 32 0x83fd9014 0x00008014
+wm 32 0x83fd9014 0x00008014
+wm 32 0x83fd9014 0x0632801c
+wm 32 0x83fd9014 0x0380801d
+wm 32 0x83fd9014 0x0040801d
+wm 32 0x83fd9014 0x00008004
+wm 32 0x83fd9000 0xb2a20000
+wm 32 0x83fd9008 0xb2a20000
+wm 32 0x83fd9010 0x000ad6d0
+wm 32 0x83fd9034 0x90000000
+wm 32 0x83fd9014 0x00000000
diff --git a/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage-xload.imxcfg b/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage-xload.imxcfg
new file mode 100644
index 0000000..b249a7d
--- /dev/null
+++ b/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage-xload.imxcfg
@@ -0,0 +1,3 @@
+loadaddr CONFIG_ARCH_IMX_UNUSED_IRAM_BASE
+
+#include "flash-header-common.imxcfg"
\ No newline at end of file
diff --git a/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage.imxcfg b/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage.imxcfg
index bac6816..cb60e47 100644
--- a/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage.imxcfg
+++ b/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage.imxcfg
@@ -1,59 +1,3 @@
 loadaddr 0x90000000
-soc imx51
-dcdofs 0x400
-wm 32 0x73fa88a0 0x00000200
-wm 32 0x73fa850c 0x000020c5
-wm 32 0x73fa8510 0x000020c5
-wm 32 0x73fa883c 0x00000002
-wm 32 0x73fa8848 0x00000002
-wm 32 0x73fa84b8 0x000000e7
-wm 32 0x73fa84bc 0x00000045
-wm 32 0x73fa84c0 0x00000045
-wm 32 0x73fa84c4 0x00000045
-wm 32 0x73fa84c8 0x00000045
-wm 32 0x73fa8820 0x00000000
-wm 32 0x73fa84a4 0x00000003
-wm 32 0x73fa84a8 0x00000003
-wm 32 0x73fa84ac 0x000000e3
-wm 32 0x73fa84b0 0x000000e3
-wm 32 0x73fa84b4 0x000000e3
-wm 32 0x73fa84cc 0x000000e3
-wm 32 0x73fa84d0 0x000000e2
-wm 32 0x73fa882c 0x00000004
-wm 32 0x73fa88a4 0x00000004
-wm 32 0x73fa88ac 0x00000004
-wm 32 0x73fa88b8 0x00000004
-wm 32 0x83fd9000 0x82a20000
-wm 32 0x83fd9008 0x82a20000
-wm 32 0x83fd9010 0x000ad0d0
-wm 32 0x83fd9004 0x3f3584ab
-wm 32 0x83fd900c 0x3f3584ab
-wm 32 0x83fd9014 0x04008008
-wm 32 0x83fd9014 0x0000801a
-wm 32 0x83fd9014 0x0000801b
-wm 32 0x83fd9014 0x00448019
-wm 32 0x83fd9014 0x07328018
-wm 32 0x83fd9014 0x04008008
-wm 32 0x83fd9014 0x00008010
-wm 32 0x83fd9014 0x00008010
-wm 32 0x83fd9014 0x06328018
-wm 32 0x83fd9014 0x03808019
-wm 32 0x83fd9014 0x00408019
-wm 32 0x83fd9014 0x00008000
-wm 32 0x83fd9014 0x0400800c
-wm 32 0x83fd9014 0x0000801e
-wm 32 0x83fd9014 0x0000801f
-wm 32 0x83fd9014 0x0000801d
-wm 32 0x83fd9014 0x0732801c
-wm 32 0x83fd9014 0x0400800c
-wm 32 0x83fd9014 0x00008014
-wm 32 0x83fd9014 0x00008014
-wm 32 0x83fd9014 0x0632801c
-wm 32 0x83fd9014 0x0380801d
-wm 32 0x83fd9014 0x0040801d
-wm 32 0x83fd9014 0x00008004
-wm 32 0x83fd9000 0xb2a20000
-wm 32 0x83fd9008 0xb2a20000
-wm 32 0x83fd9010 0x000ad6d0
-wm 32 0x83fd9034 0x90000000
-wm 32 0x83fd9014 0x00000000
+
+#include "flash-header-common.imxcfg"
\ No newline at end of file
diff --git a/arch/arm/boards/freescale-mx51-babbage/lowlevel.c b/arch/arm/boards/freescale-mx51-babbage/lowlevel.c
index ffb0548..57a324e 100644
--- a/arch/arm/boards/freescale-mx51-babbage/lowlevel.c
+++ b/arch/arm/boards/freescale-mx51-babbage/lowlevel.c
@@ -3,6 +3,7 @@
 #include <common.h>
 #include <mach/esdctl.h>
 #include <mach/generic.h>
+#include <asm/cache.h>
 #include <asm/barebox-arm-head.h>
 #include <asm/barebox-arm.h>
 
@@ -59,3 +60,27 @@ ENTRY_FUNCTION(start_imx51_babbage, r0, r1, r2)
 
 	imx51_barebox_entry(fdt);
 }
+
+static noinline void babbage_entry(void)
+{
+	arm_early_mmu_cache_invalidate();
+
+	relocate_to_current_adr();
+	setup_c();
+
+	puts_ll("lowlevel init done\n");
+
+	imx51_barebox_entry(NULL);
+}
+
+ENTRY_FUNCTION(start_imx51_babbage_xload, r0, r1, r2)
+{
+	imx5_cpu_lowlevel_init();
+
+	if (IS_ENABLED(CONFIG_DEBUG_LL))
+		setup_uart();
+
+	arm_setup_stack(0x20000000 - 16);
+
+	babbage_entry();
+}
diff --git a/arch/arm/configs/imx_v7-xload_defconfig b/arch/arm/configs/imx_v7-xload_defconfig
new file mode 100644
index 0000000..1d82f98
--- /dev/null
+++ b/arch/arm/configs/imx_v7-xload_defconfig
@@ -0,0 +1,52 @@
+CONFIG_ARCH_IMX=y
+CONFIG_ARCH_IMX_IMXIMAGE=y
+CONFIG_ARCH_IMX_XLOAD=y
+
+CONFIG_ARCH_IMX51=y
+CONFIG_IMX_MULTI_BOARDS=y
+CONFIG_MACH_FREESCALE_MX51_PDK=y
+
+CONFIG_THUMB2_BAREBOX=y
+# CONFIG_CMD_ARM_CPUINFO is not set
+CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
+CONFIG_MMU=y
+CONFIG_TEXT_BASE=0x0
+CONFIG_MALLOC_SIZE=0x0
+CONFIG_MALLOC_DUMMY=y
+CONFIG_RELOCATABLE=y
+CONFIG_BAUDRATE=115200
+CONFIG_SHELL_NONE=y
+
+CONFIG_DEBUG_LL=y
+CONFIG_DEBUG_IMX51_UART=y
+CONFIG_DEBUG_IMX_UART_PORT=1
+
+CONFIG_HAS_DEBUG_LL=y
+
+CONFIG_MTD=y
+# CONFIG_MTD_WRITE is not set
+CONFIG_MTD_DATAFLASH=y
+
+# CONFIG_ERRNO_MESSAGES is not set
+# CONFIG_TIMESTAMP is not set
+# CONFIG_DEFAULT_ENVIRONMENT is not set
+CONFIG_DRIVER_SERIAL_IMX=y
+
+CONFIG_MCI=y
+CONFIG_MCI_STARTUP=y
+# CONFIG_MCI_WRITE is not set
+
+CONFIG_MCI_IMX_ESDHC=y
+
+CONFIG_EEPROM_AT25=y
+
+CONFIG_WATCHDOG_IMX_RESET_SOURCE=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_IMX=y
+
+# CONFIG_FS_RAMFS is not set
+# CONFIG_FS_DEVFS is not set
+CONFIG_FS_FAT=y
+CONFIG_BOOTSTRAP=y
+CONFIG_BOOTSTRAP_DISK=y
+CONFIG_BOOTSTRAP_DEVFS=y
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index c713477..3ccd060 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -68,6 +68,21 @@ config ARCH_IMX_IMXIMAGE
 	help
 	  if enabled the imx-image tool is compiled
 
+config ARCH_IMX_XLOAD
+	bool
+	depends on ARCH_IMX51
+	prompt "Build preloader image"
+
+config ARCH_IMX_UNUSED_IRAM_BASE
+       hex
+       depends on ARCH_IMX_XLOAD
+       default 0x1ffe2000 if ARCH_IMX51
+
+config ARCH_IMX_UNUSED_IRAM_SIZE
+       hex
+       depends on ARCH_IMX_XLOAD
+       default 0x16000 if ARCH_IMX51
+
 choice
 	depends on ARCH_IMX_INTERNAL_BOOT
 	prompt "Internal boot source"
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index ae953b1..0320d1c 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -12,6 +12,7 @@ pbl-$(CONFIG_ARCH_IMX53) += imx53.o imx5.o esdctl-v4.o
 obj-$(CONFIG_ARCH_IMX6) += imx6.o usb-imx6.o clk-imx6.o
 lwl-$(CONFIG_ARCH_IMX6) += imx6-mmdc.o
 obj-$(CONFIG_ARCH_IMX6SX) += clk-imx6sx.o
+obj-$(CONFIG_ARCH_IMX_XLOAD) += xload.o
 obj-$(CONFIG_IMX_IIM)	+= iim.o
 obj-$(CONFIG_IMX_OCOTP)	+= ocotp.o
 obj-$(CONFIG_NAND_IMX) += nand.o
diff --git a/arch/arm/mach-imx/xload.c b/arch/arm/mach-imx/xload.c
new file mode 100644
index 0000000..16d56ab
--- /dev/null
+++ b/arch/arm/mach-imx/xload.c
@@ -0,0 +1,52 @@
+#include <bootsource.h>
+#include <bootstrap.h>
+#include <common.h>
+#include <malloc.h>
+#include <init.h>
+#include <envfs.h>
+#include <linux/sizes.h>
+#include <fs.h>
+#include <io.h>
+
+#include <linux/clkdev.h>
+#include <linux/stat.h>
+#include <linux/clk.h>
+
+#include <mach/devices-imx51.h>
+
+static __noreturn int imx_xload(void)
+{
+	enum bootsource bootsource = bootsource_get();
+	void *buf;
+
+	switch (bootsource) {
+	case BOOTSOURCE_MMC:
+		pr_info("booting from MMC\n");
+		buf = bootstrap_read_disk("disk0.0", "fat");
+		break;
+	case BOOTSOURCE_SPI:
+		pr_info("booting from SPI\n");
+		buf = bootstrap_read_devfs("dataflash0", false,
+					   SZ_256K, SZ_1M, SZ_1M);
+		break;
+	default:
+		pr_err("unknown bootsource %d\n", bootsource);
+		hang();
+	}
+
+	if (!buf) {
+		pr_err("failed to load barebox.bin\n");
+		hang();
+	}
+
+	bootstrap_boot(buf, 0);
+
+	hang();
+}
+
+static int imx_devices_init(void)
+{
+	barebox_main = imx_xload;
+	return 0;
+}
+coredevice_initcall(imx_devices_init);
diff --git a/images/Makefile.imx b/images/Makefile.imx
index 415b294..6b44958 100644
--- a/images/Makefile.imx
+++ b/images/Makefile.imx
@@ -4,8 +4,15 @@
 
 # %.imximg - convert into i.MX image
 # ----------------------------------------------------------------
+
+ifdef CONFIG_ARCH_IMX_XLOAD
+$(obj)/%.imximg: $(obj)/% FORCE
+	$(call cmd,check_file_size,$<,$(CONFIG_ARCH_IMX_UNUSED_IRAM_SIZE))
+	$(call if_changed,imx_image)
+else
 $(obj)/%.imximg: $(obj)/% FORCE
 	$(call if_changed,imx_image)
+endif
 
 # ----------------------- i.MX25 based boards ---------------------------
 pblx-$(CONFIG_MACH_TX25) += start_imx25_karo_tx25
@@ -29,7 +36,18 @@ image-$(CONFIG_MACH_PCM038) += barebox-phytec-phycore-imx27.img
 pblx-$(CONFIG_MACH_FREESCALE_MX51_PDK) += start_imx51_babbage
 CFG_start_imx51_babbage.pblx.imximg = $(board)/freescale-mx51-babbage/flash-header-imx51-babbage.imxcfg
 FILE_barebox-freescale-imx51-babbage.img = start_imx51_babbage.pblx.imximg
-image-$(CONFIG_MACH_FREESCALE_MX51_PDK) += barebox-freescale-imx51-babbage.img
+imx-barebox-$(CONFIG_MACH_FREESCALE_MX51_PDK) += barebox-freescale-imx51-babbage.img
+
+pblx-$(CONFIG_MACH_FREESCALE_MX51_PDK) += start_imx51_babbage_xload
+CFG_start_imx51_babbage_xload.pblx.imximg = $(board)/freescale-mx51-babbage/flash-header-imx51-babbage-xload.imxcfg
+FILE_barebox-freescale-imx51-babbage-xload.img = start_imx51_babbage_xload.pblx.imximg
+imx-xload-$(CONFIG_MACH_FREESCALE_MX51_PDK) += barebox-freescale-imx51-babbage-xload.img
+
+ifdef CONFIG_ARCH_IMX_XLOAD
+image-y += $(imx-xload-y)
+else
+image-y += $(imx-barebox-y)
+endif
 
 pblx-$(CONFIG_MACH_EFIKA_MX_SMARTBOOK) += start_imx51_genesi_efikasb
 CFG_start_imx51_genesi_efikasb.pblx.imximg = $(board)/efika-mx-smartbook/flash-header-imx51-genesi-efikasb.imxcfg
-- 
2.1.4


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  parent reply	other threads:[~2015-05-06 19:33 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-06 19:31 [PATCH v3 00/18] i.MX serial cleanup, bootstrap code fixes, boot via IRAM Andrey Smirnov
2015-05-06 19:31 ` [PATCH v3 01/18] i.MX: Move UART definitions into a separate file Andrey Smirnov
2015-05-06 19:31 ` [PATCH v3 02/18] i.MX: serial: Add constants for UART clock divisor Andrey Smirnov
2015-05-06 19:31 ` [PATCH v3 03/18] i.MX: serial: Add baud rate calculation convenience functions Andrey Smirnov
2015-05-06 19:31 ` [PATCH v3 04/18] i.MX: serial: Add UART init functions for DEBUG_LL Andrey Smirnov
2015-05-07  7:52   ` Sascha Hauer
2015-05-06 19:32 ` [PATCH v3 05/18] i.MX: serial: Convert PUTC_LL to use IOMEM Andrey Smirnov
2015-05-06 19:32 ` [PATCH v3 06/18] i.MX: serial: Convert i.MX51 and i.MX6 to use 'imx*_uart_setup_ll' Andrey Smirnov
2015-05-06 19:32 ` [PATCH v3 07/18] i.MX51: babbage: Implement CONFIG_DEBUG_LL Andrey Smirnov
2015-05-07  7:57   ` Sascha Hauer
2015-05-06 19:32 ` [PATCH v3 08/18] i.MX: serial: Distil common clock ungating code Andrey Smirnov
2015-05-07  7:56   ` Sascha Hauer
2015-05-06 19:32 ` [PATCH v3 09/18] Makefile.lib: Make 'check_file_size' more flexible Andrey Smirnov
2015-05-06 19:32 ` Andrey Smirnov [this message]
2015-05-06 19:32 ` [PATCH v3 11/18] imx-image: Correctly fill image size in prepended header Andrey Smirnov
2015-05-06 19:32 ` [PATCH v3 12/18] bootstrap: Fix potential memory leak in 'read_image_head' Andrey Smirnov
2015-05-06 19:32 ` [PATCH v3 13/18] bootstrap_read_devfs(): Check for errors from devfs_add_partition() Andrey Smirnov
2015-05-06 19:32 ` [PATCH v3 14/18] bootstrap_read_devfs(): Close file after we are done with it Andrey Smirnov
2015-05-06 19:32 ` [PATCH v3 15/18] bootstrap_read_devfs(): Fix potential memory leak Andrey Smirnov
2015-05-06 19:32 ` [PATCH v3 16/18] bootstrap_read_devfs(): Check for errors from dev_add_bb_dev() Andrey Smirnov
2015-05-06 19:32 ` [PATCH v3 17/18] bootstrap_read_devfs(): Remove all partitions upon function completion Andrey Smirnov
2015-05-06 19:32 ` [PATCH v3 18/18] bootstrap: Warn if image size in BB header is zero Andrey Smirnov
2015-05-07  7:51 ` [PATCH v3 00/18] i.MX serial cleanup, bootstrap code fixes, boot via IRAM Sascha Hauer

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