ARM: UniPhier: describe init_page_table shorter

The assembly directive ".rept ... .endr" allows us to write the
init_page_table much shorter.  To make things further simpler,
set the text and stack area as Normal Memory, and the other sections
as Device attribute.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

arch/arm/cpu/armv7/uniphier/init_page_table.S

+#include <config.h>
+#include <linux/linkage.h>
+
+/* page table */
+#define NR_SECTIONS	4096
+#define SECTION_SHIFT	20
+#define DEVICE	0x00002002 /* Non-shareable Device */
+#define NORMAL	0x0000000e /* Normal Memory Write-Back, No Write-Allocate */
+
+#define TEXT_SECTION	((CONFIG_SPL_TEXT_BASE) >> (SECTION_SHIFT))
+#define STACK_SECTION	((CONFIG_SYS_INIT_SP_ADDR) >> (SECTION_SHIFT))
+
+	.section ".rodata"
+	.align 14
+ENTRY(init_page_table)
+	section = 0
+	.rept NR_SECTIONS
+	.if section == TEXT_SECTION || section == STACK_SECTION
+	attr = NORMAL
+	.else
+	attr = DEVICE
+	.endif
+	.word (section << SECTION_SHIFT) | attr
+	section = section + 1
+	.endr
+END(init_page_table)