diff options
Diffstat (limited to 'recipes-bsp/at91bootstrap')
7 files changed, 232 insertions, 0 deletions
diff --git a/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.2-add-install.patch b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.2-add-install.patch new file mode 100644 index 0000000..6f007b9 --- /dev/null +++ b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.2-add-install.patch @@ -0,0 +1,20 @@ +Index: at91bootstrap-3.5.2/Makefile +=================================================================== +--- at91bootstrap-3.5.2.orig/Makefile 2013-02-08 14:38:40.660054339 -0600 ++++ at91bootstrap-3.5.2/Makefile 2013-02-08 14:41:30.626272862 -0600 +@@ -359,4 +359,15 @@ + + PHONY+=tarball tarballx + ++install: ++ -install -d $(DESTDIR) ++ install $(AT91BOOTSTRAP) $(DESTDIR)/$(IMAGE) ++ -rm -f $(DESTDIR)/$(SYMLINK) ++ (cd ${DESTDIR} ; \ ++ ln -sf ${IMAGE} ${SYMLINK} \ ++ ) ++ ++ ++PHONY+=install ++ + .PHONY: $(PHONY) diff --git a/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.2-onetime-slow-clock-switch.patch b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.2-onetime-slow-clock-switch.patch new file mode 100644 index 0000000..98ccd41 --- /dev/null +++ b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.2-onetime-slow-clock-switch.patch @@ -0,0 +1,91 @@ +Index: at91bootstrap-3.5.2/driver/at91_slowclk.c +=================================================================== +--- at91bootstrap-3.5.2.orig/driver/at91_slowclk.c 2013-01-30 04:01:20.000000000 -0600 ++++ at91bootstrap-3.5.2/driver/at91_slowclk.c 2013-04-24 11:35:44.369827054 -0500 +@@ -33,12 +33,17 @@ + { + unsigned int reg; + +- /* +- * Enable the 32768 Hz oscillator by setting the bit OSC32EN to 1 +- */ ++ + reg = readl(AT91C_BASE_SCKCR); +- reg |= AT91C_SLCKSEL_OSC32EN; +- writel(reg, AT91C_BASE_SCKCR); ++ ++ /* Only enable 32768 Hz oscillator if needed */ ++ if ( !(reg & AT91C_SLCKSEL_OSC32EN) ) { ++ /* ++ * Enable the 32768 Hz oscillator by setting the bit OSC32EN to 1 ++ */ ++ reg |= AT91C_SLCKSEL_OSC32EN; ++ writel(reg, AT91C_BASE_SCKCR); ++ } + + /* start a internal timer */ + start_interval_timer(); +@@ -50,32 +55,40 @@ + { + unsigned int reg; + +- /* +- * Wait 32768 Hz Startup Time for clock stabilization (software loop) +- * wait about 1s (1000ms) +- */ +- wait_interval_timer(1000); +- +- /* +- * Switching from internal 32kHz RC oscillator to 32768 Hz oscillator +- * by setting the bit OSCSEL to 1 +- */ + reg = readl(AT91C_BASE_SCKCR); +- reg |= AT91C_SLCKSEL_OSCSEL; +- writel(reg, AT91C_BASE_SCKCR); + +- /* +- * Waiting 5 slow clock cycles for internal resynchronization +- * 5 slow clock cycles = ~153 us (5 / 32768) +- */ +- udelay(153); +- +- /* +- * Disable the 32kHz RC oscillator by setting the bit RCEN to 0 +- */ ++ /* Only switch clock source if needed */ ++ if ( !(reg & AT91C_SLCKSEL_OSCSEL) ) { ++ dbgu_print("Switching slow clock to external oscillator...\n\r"); ++ /* ++ * Wait 32768 Hz Startup Time for clock stabilization (software loop) ++ * wait about 1s (1000ms) ++ */ ++ wait_interval_timer(1000); ++ ++ /* ++ * Switching from internal 32kHz RC oscillator to 32768 Hz oscillator ++ * by setting the bit OSCSEL to 1 ++ */ ++ reg |= AT91C_SLCKSEL_OSCSEL; ++ writel(reg, AT91C_BASE_SCKCR); ++ ++ /* ++ * Waiting 5 slow clock cycles for internal resynchronization ++ * 5 slow clock cycles = ~153 us (5 / 32768) ++ */ ++ udelay(153); ++ } ++ ++ /* Only disable internal RC oscillator if needed */ + reg = readl(AT91C_BASE_SCKCR); +- reg &= ~AT91C_SLCKSEL_RCEN; +- writel(reg, AT91C_BASE_SCKCR); ++ if (reg | AT91C_SLCKSEL_RCEN) { ++ /* ++ * Disable the 32kHz RC oscillator by setting the bit RCEN to 0 ++ */ ++ reg &= ~AT91C_SLCKSEL_RCEN; ++ writel(reg, AT91C_BASE_SCKCR); ++ } + + return 0; + } diff --git a/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.3-mtcdt.patch b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.3-mtcdt.patch new file mode 100644 index 0000000..24c27a0 --- /dev/null +++ b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.3-mtcdt.patch @@ -0,0 +1,60 @@ +Index: at91bootstrap-3.5.3/board/at91sam9x5ek/at91sam9x5eknf_uboot_defconfig +=================================================================== +--- at91bootstrap-3.5.3.orig/board/at91sam9x5ek/at91sam9x5eknf_uboot_defconfig 2013-04-11 05:07:35.000000000 -0500 ++++ at91bootstrap-3.5.3/board/at91sam9x5ek/at91sam9x5eknf_uboot_defconfig 2013-04-29 15:13:01.390913836 -0500 +@@ -42,7 +42,8 @@ + ALLOW_PIO3=y + CONFIG_HAS_PIO3=y + CPU_HAS_PMECC=y +-CONFIG_LOAD_ONE_WIRE=y ++# MTS: don't load one wire ++# CONFIG_LOAD_ONE_WIRE is not set + # CONFIG_MMC_SUPPORT is not set + + # +@@ -81,8 +82,8 @@ + # + # PMECC Configuration + # +-CONFIG_PMECC_CORRECT_BITS_2=y +-# CONFIG_PMECC_CORRECT_BITS_4 is not set ++# CONFIG_PMECC_CORRECT_BITS_2 is not set ++CONFIG_PMECC_CORRECT_BITS_4=y + # CONFIG_PMECC_CORRECT_BITS_8 is not set + # CONFIG_PMECC_CORRECT_BITS_12 is not set + # CONFIG_PMECC_CORRECT_BITS_24 is not set +@@ -116,4 +117,5 @@ + # CONFIG_USER_HW_INIT is not set + CONFIG_THUMB=y + CONFIG_SCLK=y +-CONFIG_DISABLE_WATCHDOG=y ++# MTS: don't disable watchdog ++# CONFIG_DISABLE_WATCHDOG is not set +Index: at91bootstrap-3.5.3/board/at91sam9x5ek/at91sam9x5ek.c +=================================================================== +--- at91bootstrap-3.5.3.orig/board/at91sam9x5ek/at91sam9x5ek.c 2013-04-11 05:07:35.000000000 -0500 ++++ at91bootstrap-3.5.3/board/at91sam9x5ek/at91sam9x5ek.c 2013-04-29 15:14:44.578915819 -0500 +@@ -312,10 +312,8 @@ + + reg = readl(AT91C_BASE_CCFG + CCFG_EBICSA); + reg |= AT91C_EBI_CS3A_SM; +- if (get_cm_rev() == 'A') +- reg &= ~AT91C_EBI_NFD0_ON_D16; +- else +- reg |= (AT91C_EBI_DDR_MP_EN | AT91C_EBI_NFD0_ON_D16); ++ /* MTCDT */ ++ reg |= (AT91C_EBI_DDR_MP_EN | AT91C_EBI_NFD0_ON_D16); + + reg &= ~AT91C_EBI_DRV; + writel(reg, AT91C_BASE_CCFG + CCFG_EBICSA); +@@ -345,9 +343,7 @@ + AT91C_BASE_SMC + SMC_CTRL3); + + /* Configure the PIO controller */ +- if (get_cm_rev() == 'A') +- pio_configure(nand_pins_lo); +- else ++ /* MTCDT */ + pio_configure(nand_pins_hi); + + writel((1 << AT91C_ID_PIOC_D), (PMC_PCER + AT91C_BASE_PMC)); diff --git a/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91sam9x5_4bit_pmecc_header.bin b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91sam9x5_4bit_pmecc_header.bin new file mode 100644 index 0000000..f8d6073 --- /dev/null +++ b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91sam9x5_4bit_pmecc_header.bin @@ -0,0 +1 @@ +$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
\ No newline at end of file diff --git a/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/create_4bit_pmecc_header.rb b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/create_4bit_pmecc_header.rb new file mode 100755 index 0000000..780d728 --- /dev/null +++ b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/create_4bit_pmecc_header.rb @@ -0,0 +1,5 @@ +#!/usr/bin/env ruby + +52.times do + print ["052490c0"].pack('H*') +end diff --git a/recipes-bsp/at91bootstrap/at91bootstrap_3.5.3.bb b/recipes-bsp/at91bootstrap/at91bootstrap_3.5.3.bb new file mode 100644 index 0000000..447d77f --- /dev/null +++ b/recipes-bsp/at91bootstrap/at91bootstrap_3.5.3.bb @@ -0,0 +1,28 @@ +require at91bootstrap_3.5.inc + +PR = "r1" + +LICENSE = "custom-freely-distributable" +LIC_FILES_CHKSUM = "file://main.c;beginline=6;endline=26;md5=6fca71334c9e8b7d033296123c91437f" + +SRCREV = "v${PV}" +SRC_URI = "git://github.com/linux4sam/at91bootstrap \ + file://at91bootstrap-3.5.2-add-install.patch \ + file://at91bootstrap-3.5.2-onetime-slow-clock-switch.patch \ + file://at91sam9x5_4bit_pmecc_header.bin " + +S = "${WORKDIR}/git" + +SRC_URI_append_mtcdt = " file://at91bootstrap-3.5.3-mtcdt.patch " + +# generate a bootstrap file padded with the header needed for 4-bit PMECC +# The padded file can be flashed via u-boot without any need to set the PMECC header using SAM-BA +do_pad_4bit_pmecc() { + cp -f ${WORKDIR}/at91sam9x5_4bit_pmecc_header.bin ${DEPLOY_DIR_IMAGE}/at91bootstrap_pmecc_padded.bin + cat ${DEPLOY_DIR_IMAGE}/at91bootstrap.bin >> ${DEPLOY_DIR_IMAGE}/at91bootstrap_pmecc_padded.bin +} + +do_install_append() { + do_pad_4bit_pmecc +} + diff --git a/recipes-bsp/at91bootstrap/at91bootstrap_3.5.inc b/recipes-bsp/at91bootstrap/at91bootstrap_3.5.inc new file mode 100644 index 0000000..ac147c0 --- /dev/null +++ b/recipes-bsp/at91bootstrap/at91bootstrap_3.5.inc @@ -0,0 +1,27 @@ +DESCRIPTION = "at91bootstrap: loaded into internal SRAM by AT91 BootROM" +SECTION = "bootloaders" + +PARALLEL_MAKE = "" + +PACKAGE_ARCH = "${MACHINE_ARCH}" +EXTRA_OEMAKE = "CROSS_COMPILE=${TARGET_PREFIX} DESTDIR=${DEPLOY_DIR_IMAGE} REVISION=${PR}" + +do_compile () { + unset LDFLAGS + unset CFLAGS + unset CPPFLAGS + + rm -Rf ${S}/binaries + for board in ${AT91BOOTSTRAP_BOARD} ; do + oe_runmake mrproper + filename=`find board -name ${board}_defconfig` + if ! [ "x$filename" == "x" ] ; then + cp $filename .config + oe_runmake + oe_runmake install + else + echo "${board} could not be built" + exit 1 + fi + done +} |