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-rw-r--r--arch/arm/include/asm/arch-sunxi/cpu.h1
-rw-r--r--arch/arm/include/asm/arch-sunxi/dram.h4
-rw-r--r--arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h20
3 files changed, 21 insertions, 4 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/cpu.h b/arch/arm/include/asm/arch-sunxi/cpu.h
index e8e670e7e9..caec865264 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu.h
@@ -16,5 +16,6 @@
#define SOCID_A64 0x1689
#define SOCID_H3 0x1680
#define SOCID_H5 0x1718
+#define SOCID_R40 0x1701
#endif /* _SUNXI_CPU_H */
diff --git a/arch/arm/include/asm/arch-sunxi/dram.h b/arch/arm/include/asm/arch-sunxi/dram.h
index 1dc82205b7..f452f889f9 100644
--- a/arch/arm/include/asm/arch-sunxi/dram.h
+++ b/arch/arm/include/asm/arch-sunxi/dram.h
@@ -24,7 +24,9 @@
#include <asm/arch/dram_sun8i_a33.h>
#elif defined(CONFIG_MACH_SUN8I_A83T)
#include <asm/arch/dram_sun8i_a83t.h>
-#elif defined(CONFIG_MACH_SUNXI_H3_H5) || defined(CONFIG_MACH_SUN50I)
+#elif defined(CONFIG_MACH_SUNXI_H3_H5) || \
+ defined(CONFIG_MACH_SUN8I_R40) || \
+ defined(CONFIG_MACH_SUN50I)
#include <asm/arch/dram_sun8i_h3.h>
#elif defined(CONFIG_MACH_SUN9I)
#include <asm/arch/dram_sun9i.h>
diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h b/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
index 25d07d9863..2770986b61 100644
--- a/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
+++ b/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
@@ -15,7 +15,8 @@
struct sunxi_mctl_com_reg {
u32 cr; /* 0x00 control register */
- u8 res0[0x8]; /* 0x04 */
+ u32 cr_r1; /* 0x04 rank 1 control register (R40 only) */
+ u8 res0[0x4]; /* 0x08 */
u32 tmr; /* 0x0c (unused on H3) */
u32 mcr[16][2]; /* 0x10 */
u32 bwcr; /* 0x90 bandwidth control register */
@@ -63,6 +64,17 @@ struct sunxi_mctl_com_reg {
#define MCTL_CR_DUAL_RANK (0x1 << 0)
#define MCTL_CR_SINGLE_RANK (0x0 << 0)
+/*
+ * CR_R1 is a register found in the R40's DRAM controller. It sets various
+ * parameters for rank 1. Bits [11:0] have the same meaning as the bits in
+ * MCTL_CR, but they apply to rank 1 only. This implies we can have
+ * different chips for rank 1 than rank 0.
+ *
+ * As address line A15 and CS1 chip select for rank 1 are muxed on the same
+ * pin, if single rank is used, A15 must be muxed in.
+ */
+#define MCTL_CR_R1_MUX_A15 (0x1 << 21)
+
#define PROTECT_MAGIC (0x94be6fa3)
struct sunxi_mctl_ctl_reg {
@@ -72,7 +84,8 @@ struct sunxi_mctl_ctl_reg {
u32 clken; /* 0x0c */
u32 pgsr[2]; /* 0x10 PHY general status registers */
u32 statr; /* 0x18 */
- u8 res1[0x14]; /* 0x1c */
+ u8 res1[0x10]; /* 0x1c */
+ u32 lp3mr11; /* 0x2c */
u32 mr[4]; /* 0x30 mode registers */
u32 pllgcr; /* 0x40 */
u32 ptr[5]; /* 0x44 PHY timing registers */
@@ -120,7 +133,8 @@ struct sunxi_mctl_ctl_reg {
struct { /* 0x300 DATX8 modules*/
u32 mdlr; /* 0x00 master delay line register */
u32 lcdlr[3]; /* 0x04 local calibrated delay line registers */
- u32 bdlr[12]; /* 0x10 bit delay line registers */
+ u32 bdlr[11]; /* 0x10 bit delay line registers */
+ u32 sdlr; /* 0x3c output enable bit delay registers */
u32 gtr; /* 0x40 general timing register */
u32 gcr; /* 0x44 general configuration register */
u32 gsr[3]; /* 0x48 general status registers */