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path: root/arch/arm/mach-uniphier/ph1-ld4/sbc_init.c
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Diffstat (limited to 'arch/arm/mach-uniphier/ph1-ld4/sbc_init.c')
-rw-r--r--arch/arm/mach-uniphier/ph1-ld4/sbc_init.c56
1 files changed, 28 insertions, 28 deletions
diff --git a/arch/arm/mach-uniphier/ph1-ld4/sbc_init.c b/arch/arm/mach-uniphier/ph1-ld4/sbc_init.c
index 374a8c0680..00f84614f6 100644
--- a/arch/arm/mach-uniphier/ph1-ld4/sbc_init.c
+++ b/arch/arm/mach-uniphier/ph1-ld4/sbc_init.c
@@ -19,32 +19,32 @@ void sbc_init(void)
tmp &= 0xfffffcff;
writel(tmp, PC0CTRL);
- /* XECS1: sub/boot memory (boot swap = off/on) */
- writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL10);
- writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL11);
- writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL12);
- writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL14);
-
- /* XECS0: boot/sub memory (boot swap = off/on) */
- writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL00);
- writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL01);
- writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL02);
- writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL04);
-
- /* XECS3: peripherals */
- writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL30);
- writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL31);
- writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL32);
- writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL34);
-
- /* base address regsiters */
- writel(0x0000bc01, SBBASE0);
- writel(0x0400bc01, SBBASE1);
- writel(0x0800bf01, SBBASE3);
-
- /* enable access to sub memory when boot swap is on */
- if (boot_is_swapped())
- sg_set_pinsel(155, 1); /* PORT24 -> XECS0 */
-
- sg_set_pinsel(156, 1); /* PORT25 -> XECS3 */
+ /*
+ * Only CS1 is connected to support card.
+ * BKSZ[1:0] should be set to "01".
+ */
+ writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
+ writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
+ writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
+ writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
+
+ if (boot_is_swapped()) {
+ /*
+ * Boot Swap On: boot from external NOR/SRAM
+ * 0x02000000-0x03ffffff is a mirror of 0x00000000-0x01ffffff.
+ *
+ * 0x00000000-0x01efffff, 0x02000000-0x03efffff: memory bank
+ * 0x01f00000-0x01ffffff, 0x03f00000-0x03ffffff: peripherals
+ */
+ writel(0x0000bc01, SBBASE0);
+ } else {
+ /*
+ * Boot Swap Off: boot from mask ROM
+ * 0x00000000-0x01ffffff: mask ROM
+ * 0x02000000-0x03efffff: memory bank (31MB)
+ * 0x03f00000-0x03ffffff: peripherals (1MB)
+ */
+ writel(0x0000be01, SBBASE0); /* dummy */
+ writel(0x0200be01, SBBASE1);
+ }
}