zynqmp_pmufw: Re-add the PMU FW Makefile

The PMU FW Makefile was somehow lost, this patch restores the Makefile
so that the PMU FW can be built.

See CR: http://jira.xilinx.com/browse/CR-989408

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Acked-by: Will Wong <willw@xilinx.com>

lib/sw_apps/zynqmp_pmufw/.gitignore

@@ -0,0 +1,3 @@
+pm_binding.gcno
+build
+.Xil

lib/sw_apps/zynqmp_pmufw/Makefile

@@ -0,0 +1,177 @@
+include util.mk
+
+SRCDIR = src/
+BUILDDIR ?= build/
+BSPSRCDIR = bsp/
+BSPBUILDDIR = ${BUILDDIR}/bsp/
+MAKE_FLAGS = -rR
+PROCESSOR ?= psu_pmu_0
+
+CROSS_COMPILE  ?= mb-
+CC      = $(CROSS_COMPILE)gcc
+CXX     = $(CROSS_COMPILE)g++
+AS      = $(CC)
+LD      = $(CROSS_COMPILE)gcc
+SIZE	= $(CROSS_COMPILE)size
+NM	= $(CROSS_COMPILE)nm
+OBJCOPY	= $(CROSS_COMPILE)objcopy
+OBJDUMP	= $(CROSS_COMPILE)objdump
+HEXDUMP	?= hexdump
+HSM ?= hsi
+HSM_FLAGS = -mode tcl -nojournal -nolog
+
+CFLAGS += -Wall -Wextra -Werror -Wno-unused-parameter -Os -g3
+CFLAGS += -fmessage-length=0
+CFLAGS += -I$(BSPBUILDDIR)$(PROCESSOR)/include
+CFLAGS += -I$(BUILDDIR)include
+CFLAGS += -mlittle-endian -mxl-barrel-shift -mxl-pattern-compare
+CFLAGS += -mcpu=v9.2 -mxl-soft-mul
+CFLAGS += -Wl,--no-relax
+CFLAGS += -ftest-coverage
+CFLAGS += -MMD -MP
+CFLAGS += -fdiagnostics-color=auto
+CFLAGS += -flto
+CFLAGS += $(ECFLAGS)
+
+CPPFLAGS += -Iinclude
+
+ASFLAGS += $(CFLAGS)
+ASFLAGS += -D__ASSEMBLY__
+
+LDSCRIPT = $(SRCDIR)lscript.ld
+
+LDFLAGS += $(CFLAGS)
+LDFLAGS += -Wl,--fatal-warnings
+LDFLAGS += -nostartfiles
+LDFLAGS += -Wl,-T$(LDSCRIPT)
+LDFLAGS += -L$(BSPBUILDDIR)$(PROCESSOR)/lib
+LDFLAGS += -Wl,--no-relax
+
+LDLIBS = -Wl,--start-group,-lxil,-lgcc,-lc,-lxilfpga,-lxilsecure,--end-group
+
+HDF ?= $(realpath bsp/pmu.hdf)
+ifeq (${USE_UART1},1)
+    UART=psu_uart_1
+else
+    UART=psu_uart_0
+endif
+
+PMU_FW_C_SRCS = $(notdir $(shell [ -d $(SRCDIR) ] && find $(SRCDIR) -maxdepth 1 -name \*.c))
+PMU_FW_S_SRCS = $(notdir $(shell [ -d $(SRCDIR) ] && find $(SRCDIR) -maxdepth 1 -name \*.S))
+PMU_FW_s_SRCS = $(notdir $(shell [ -d $(SRCDIR) ] && find $(SRCDIR) -maxdepth 1 -name \*.s))
+PMU_FW_OBJS = $(PMU_FW_C_SRCS:.c=.o)
+PMU_FW_OBJS += $(PMU_FW_S_SRCS:.S=.o)
+PMU_FW_OBJS += $(PMU_FW_s_SRCS:.s=.o)
+
+S_OBJS = $(PMU_FW_OBJS)
+
+OBJS = $(addprefix $(BUILDDIR), $(S_OBJS))
+
+TARGET = $(BUILDDIR)xpfw.elf
+TARGET_BIN = $(TARGET:.elf=.bin)
+HELPER_TCL = tools/xpfw_loader/$(notdir $(TARGET:.elf=_loader.tcl))
+HELPER_C = tools/xpfw_loader/$(notdir $(TARGET:.elf=_loader_inc.c))
+
+# Create the dirs.
+CREATE_BUILDDIRS = $(shell mkdir -p $(BUILDDIR)include ${BSPBUILDDIR})
+
+all: $(CREATE_BUILDDIRS) helpers
+
+-include $(OBJS:.o=.d)
+
+define filechk_version.h
+	echo -e "#ifndef ZYNQMP_XPFW_VERSION__H_\n\
+	#define ZYNQMP_XPFW_VERSION__H_\n\
+	#define ZYNQMP_XPFW_VERSION	\"`./scripts/setlocalversion 2>/dev/null`\"\n\
+	#endif"
+endef
+
+$(BUILDDIR)include/xpfw_version.h: FORCE
+	$(call filechk,version.h)
+
+$(BUILDDIR)%.o: $(SRCDIR)%.c | $(BUILDDIR)include/xpfw_version.h $(BSPBUILDDIR)$(PROCESSOR)/lib/libxil.a
+	$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
+
+$(BUILDDIR)%.o: $(SRCDIR)%.S | $(BSPBUILDDIR)$(PROCESSOR)/lib/libxil.a
+	$(CC) $(ASFLAGS) $(CPPFLAGS) -c $< -o $@
+
+$(BUILDDIR)%.o: $(SRCDIR)%.s
+	$(CC) $(ASFLAGS) -c $< -o $@
+
+$(TARGET): $(BSPBUILDDIR)$(PROCESSOR)/lib/libxil.a $(LDSCRIPT) $(OBJS)
+	$(LD) $(OBJS) $(LDFLAGS) $(LDLIBS) -o $@
+
+$(TARGET_BIN): $(TARGET)
+	$(OBJCOPY) -O binary $< $@
+
+FIX_XIL_PRINTF__H = '\
+	if (/xil_printf\s*\(.*\)/) { \
+		unless (/attribute/) { \
+			$$_ =~ s/;\s*$$/ __attribute__\(\(format\(printf, 1, 2\)\)\);\n/; \
+		} \
+	}'
+
+$(BSPBUILDDIR)$(PROCESSOR)/lib/libxil.a: ${HDF}
+	echo -e "\
+if {[info exists ::env(HSI_REPO_PATH)]} {\\n \
+	set_repo_path $$::env(HSI_REPO_PATH)\\n \
+}\\n\
+open_hw_design $(HDF)\\n \
+set swdsgn [create_sw_design -os standalone -proc $(PROCESSOR) bsp]\\n \
+add_library xilfpga\\n \
+add_library xilsecure\\n \
+set_property CONFIG.STDIN $(UART) [get_os]\\n \
+set_property CONFIG.STDOUT $(UART) [get_os]\\n \
+set_property -name {CONFIG.extra_compiler_flags} -value {-Os -flto -ffat-lto-objects} -objects [get_sw_processor]\\n \
+set_property -name {APP_COMPILER_FLAGS} -value {-Os -flto -ffat-lto-objects} -objects [current_sw_design]\\n \
+generate_bsp -sw \$$swdsgn -compile -dir $(BSPBUILDDIR)\\n \
+quit" | MAKEFLAGS="-rRj 1" $(HSM) $(HSM_FLAGS)
+	find $(BSPBUILDDIR) -type f -name xil_printf.h -exec perl -i -n -p -e $(FIX_XIL_PRINTF__H) '{}' ';'
+
+size: $(TARGET)
+	$(SIZE)	$(TARGET)
+
+.PHONY: tags
+tags:
+	ctags -R $(SRCDIR)
+	ctags --append --exclude=Makefile --exclude=*.make -R $(BSPBUILDDIR)$(PROCESSOR)
+
+# Generate files to help us in downloading PMU FW on to RAM
+# Output can be found in build/ directory
+# TCL: ELFNAME_loader.tcl can be used from XMD on EP
+# C: ELFNAME_loader.c - A standalone app that loads PMU FW
+$(HELPER_TCL): $(TARGET_BIN)
+	@echo "generating $@ from $<"
+	@echo -e "## AUTOGENERATED FILE ##\n\
+	puts \"Downloading FW...\"\n\
+	mwr -f 0xffd80000 0x00000000\n\
+	mwr -f 0xff310000 0x00010000\n\
+	after 1000\n" > $@
+	@$(HEXDUMP) -e '"mwr -f 0xffdc%04_ax 0x%08x \n"' -v $< | tac >> $@
+	@echo -e	"mwr -f 0xffd80000 0x00000001\n\
+	puts \"Done.\"\n\
+	## EOF ##" >> $@
+
+$(HELPER_C): $(TARGET_BIN)
+	$(HEXDUMP) -e '"Xil_Out32(""0xffdc%04_ax" ", " "0x%08x"");\n"' -v $< | tac > $@
+
+helpers: $(HELPER_TCL) $(HELPER_C)
+
+.PHONY: cscope
+cscope:
+	find ${CURDIR} -type f -name "*.[chsS]" > cscope.files
+	cscope -b -q -k
+
+.PHONY: clean
+clean:
+	rm -rf $(TARGET) $(OBJS) $(OBJS:.o=.d) *.log *.jou \
+		$(BUILDDIR)/* $(BUILDDIR)include/xpfw_version.h $(HELPER_TCL) $(HELPER_C) \
+		design_1.hwh design_1_bd.tcl hwdef.xml psu_clock_registers.log
+	make $(MAKE_FLAGS) -C $(BSPBUILDDIR) $@
+
+.PHONY: distclean
+distclean: clean
+	rm -rf $(BUILDDIR) $(BSPBUILDDIR) tags cscope.*
+
+.PHONY: FORCE
+FORCE:

lib/sw_apps/zynqmp_pmufw/bsp/.gitignore

@@ -0,0 +1,3 @@
+design_1.hwh
+design_1_bd.tcl
+hwdef.xml

lib/sw_apps/zynqmp_pmufw/tools/xpfw_loader/.gitignore

@@ -0,0 +1,2 @@
+xpfw_loader.tcl
+xpfw_loader_inc.c

lib/sw_apps/zynqmp_pmufw/tools/xpfw_loader/xpfw_loader.c

@@ -0,0 +1,81 @@
+#include "xil_printf.h"
+#include "xstatus.h"
+#include "xil_io.h"
+#include "ipi.h"
+#include "pmu_global.h"
+
+extern void outbyte(char c);
+extern char inbyte();
+
+void load_pmufw(void);
+void ipi_a53(void);
+
+int main(void)
+{
+	xil_printf("PMU Firmware Loader\n");
+	xil_printf("L - Load PMUFW\n");
+	xil_printf("T - Run Test IPI Case\n");
+
+	while (1) {
+		char c;
+
+		c = inbyte();
+
+		if (c == '\r') {
+			outbyte('\n');
+		}
+		if ((c == 'l') || (c == 'L')) {
+			load_pmufw();
+		}
+		if ((c == 't') || (c == 'T')) {
+			ipi_a53();
+		}
+
+		outbyte(c);
+	}
+
+	return 0;
+}
+
+void ipi_a53(void)
+{
+	xil_printf("#############################################\n");
+	xil_printf("##### APU-->PMU IPI-1 PM Request Test #######\n");
+	xil_printf("#############################################\n");
+
+	xil_printf("A53_0: Requesting USB0 Power Up via IPI-1\n");
+	Xil_Out32(PMU_GLOBAL_GLOBAL_GEN_STORAGE1, 0xD003111B);
+	Xil_Out32(IPI_APU_TRIG, IPI_APU_TRIG_PMU_1_MASK);
+
+	while (((Xil_In32(IPI_APU_OBS)) & IPI_APU_OBS_PMU_1_MASK) != 0)
+		;
+	xil_printf("A53_0: Request has been Acknowledged by PMU\n");
+
+	xil_printf("===========================================\n");
+
+	xil_printf("A53_0: Requesting USB0 Power Down via IPI-1\n");
+	Xil_Out32(PMU_GLOBAL_GLOBAL_GEN_STORAGE1, 0xD001111D);
+	Xil_Out32(IPI_APU_TRIG, IPI_APU_TRIG_PMU_1_MASK);
+	while (((Xil_In32(IPI_APU_OBS)) & IPI_APU_OBS_PMU_1_MASK) != 0)
+		;
+	xil_printf("A53_0: Request has been Acknowledged by PMU\n");
+
+	xil_printf("================Test Done==================\n");
+	xil_printf("================  PASS   ==================\n");
+}
+
+void load_pmufw(void)
+{
+	int i = 0;
+
+	xil_printf("Downloading FW...\n");
+	Xil_Out32(PMU_GLOBAL_GLOBAL_CNTRL, 0x0U);
+	Xil_Out32(IPI_APU_TRIG, IPI_APU_TRIG_PMU_0_MASK);
+	for (i = 0; i < 1000; i++)
+		;
+
+	#include "xpfw_loader_inc.c"
+
+	Xil_Out32(PMU_GLOBAL_GLOBAL_CNTRL, 0x01U);
+	xil_printf("Done\n");
+}

lib/sw_apps/zynqmp_pmufw/util.mk

@@ -0,0 +1,25 @@
+###
+# filechk is used to check if the content of a generated file is updated.
+# Sample usage:
+# define filechk_sample
+#	echo $KERNELRELEASE
+# endef
+# version.h : Makefile
+#	$(call filechk,sample)
+# The rule defined shall write to stdout the content of the new file.
+# The existing file will be compared with the new one.
+# - If no file exist it is created
+# - If the content differ the new file is used
+# - If they are equal no change, and no timestamp update
+define filechk
+	@set -e;				\
+	echo '  CHK     $@';			\
+	mkdir -p $(dir $@);			\
+	$(filechk_$(1)) > $@.tmp;		\
+	if [ -r $@ ] && cmp -s $@ $@.tmp; then	\
+		rm -f $@.tmp;			\
+	else					\
+		echo '  UPD     $@';		\
+		mv -f $@.tmp $@;		\
+	fi
+endef