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-rw-r--r--arch/arm/include/asm/arch-sunxi/clock_sun4i.h9
-rw-r--r--arch/arm/include/asm/arch-sunxi/dram.h28
-rw-r--r--arch/arm/include/asm/arch-sunxi/sys_proto.h10
3 files changed, 21 insertions, 26 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
index d297ed0..c28ee05 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
@@ -144,7 +144,16 @@ struct sunxi_ccm_reg {
#define PLL1_CFG_DEFAULT 0xa1005000
+#if defined CONFIG_OLD_SUNXI_KERNEL_COMPAT && defined CONFIG_MACH_SUN5I
+/*
+ * Older linux-sunxi-3.4 kernels override our PLL6 setting with 300 MHz,
+ * halving the mbus frequency, so set it to 300 MHz ourselves and base the
+ * mbus divider on that.
+ */
+#define PLL6_CFG_DEFAULT 0xa1009900
+#else
#define PLL6_CFG_DEFAULT 0xa1009911
+#endif
/* nand clock */
#define NAND_CLK_SRC_OSC24 0
diff --git a/arch/arm/include/asm/arch-sunxi/dram.h b/arch/arm/include/asm/arch-sunxi/dram.h
index 7ff43e6..aedd194 100644
--- a/arch/arm/include/asm/arch-sunxi/dram.h
+++ b/arch/arm/include/asm/arch-sunxi/dram.h
@@ -25,31 +25,7 @@
#endif
unsigned long sunxi_dram_init(void);
-
-/*
- * Wait up to 1s for value to be set in given part of reg.
- */
-static inline void mctl_await_completion(u32 *reg, u32 mask, u32 val)
-{
- unsigned long tmo = timer_get_us() + 1000000;
-
- while ((readl(reg) & mask) != val) {
- if (timer_get_us() > tmo)
- panic("Timeout initialising DRAM\n");
- }
-}
-
-/*
- * Test if memory at offset offset matches memory at begin of DRAM
- */
-static inline bool mctl_mem_matches(u32 offset)
-{
- /* Try to write different values to RAM at two addresses */
- writel(0, CONFIG_SYS_SDRAM_BASE);
- writel(0xaa55aa55, CONFIG_SYS_SDRAM_BASE + offset);
- /* Check if the same value is actually observed when reading back */
- return readl(CONFIG_SYS_SDRAM_BASE) ==
- readl(CONFIG_SYS_SDRAM_BASE + offset);
-}
+void mctl_await_completion(u32 *reg, u32 mask, u32 val);
+bool mctl_mem_matches(u32 offset);
#endif /* _SUNXI_DRAM_H */
diff --git a/arch/arm/include/asm/arch-sunxi/sys_proto.h b/arch/arm/include/asm/arch-sunxi/sys_proto.h
index c3e636e..60a5bd8 100644
--- a/arch/arm/include/asm/arch-sunxi/sys_proto.h
+++ b/arch/arm/include/asm/arch-sunxi/sys_proto.h
@@ -13,4 +13,14 @@
void sdelay(unsigned long);
+/* return_to_fel() - Return to BROM from SPL
+ *
+ * This returns back into the BROM after U-Boot SPL has performed its initial
+ * init. It uses the provided lr and sp to do so.
+ *
+ * @lr: BROM link register value (return address)
+ * @sp: BROM stack pointer
+ */
+void return_to_fel(uint32_t lr, uint32_t sp);
+
#endif