meminfo: rename and add to build

* rename a10-meminfo to meminfo
* add static build to Makefile
* fix operand warning
* built binary verified on proper linux and android
Signed-off-by: Luc Verhaegen <libv@skynet.be>

.gitignore

@@ -5,5 +5,6 @@ bootinfo
 fel
 pio
 nand-part
+meminfo
 *.o
 *.swp

Makefile

@@ -111,6 +111,9 @@ boot_head_sun5i.bin: boot_head_sun5i.elf
 
 bootinfo: bootinfo.c
 
+meminfo: meminfo.c
+	$(CROSS_COMPILE)gcc -g -O0 -Wall -static -o $@ $^
+
 .gitignore: Makefile
 	@for x in $(TOOLS) '*.o' '*.swp'; do \
 		echo "$$x"; \

README

@@ -60,5 +60,11 @@ phoenix_info:
 	phoenixcard utility and optionally extracts the embedded boot
 	code & firmware file from their hidden partitions.
 
+meminfo:
+	Tool for reading DRAM settings from registers. Compiled as a
+	static binary for use on android and other OSes. To build this,
+	get a toolchain, and run:
+		make CROSS_COMPILE=arm-linux-gnueabihf- meminfo
+
 This software is licensed under the terms of GPLv2+ as defined by the
 Free Software Foundation, details can be read in the COPYING file.

a10-meminfo.c → meminfo.c

@@ -243,7 +243,7 @@ int main(int argc, char **argv)
     p.cas    = (r->mr >> 4 & 15);
     if (p.type == 3)
         p.cas += 4;
-    p.density  = 1 << 8+(r->dcr >> 3 & 7);
+    p.density  = (1 << 8) + (r->dcr >> 3 & 7);
     p.rank_num = (r->dcr >> 10 & 3)+1;
     p.io_width = (r->dcr >> 1 & 3) << 3;
     p.bus_width = ((r->dcr >> 6 & 3)+1) << 3;