[U-Boot] [PATCH 3/5] sun6i: dram: Do not try to initialize a second dram chan on A31s

[Hans de Goede]

The A31s only has one dram channel, so do not bother with trying to initalize
a second channel.

Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
 arch/arm/cpu/armv7/sunxi/Makefile     |  2 +-
 arch/arm/cpu/armv7/sunxi/dram_sun6i.c | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/arch/arm/cpu/armv7/sunxi/Makefile 
b/arch/arm/cpu/armv7/sunxi/Makefile
index 3b6ae47..1337b60 100644
--- a/arch/arm/cpu/armv7/sunxi/Makefile
+++ b/arch/arm/cpu/armv7/sunxi/Makefile
@@ -10,6 +10,7 @@
 obj-y  += timer.o
 obj-y  += board.o
 obj-y  += clock.o
+obj-y  += cpu_info.o
 obj-y  += pinmux.o
 obj-$(CONFIG_MACH_SUN6I)       += prcm.o
 obj-$(CONFIG_MACH_SUN8I)       += prcm.o
@@ -21,7 +22,6 @@ obj-$(CONFIG_MACH_SUN7I)      += clock_sun4i.o
 obj-$(CONFIG_MACH_SUN8I)       += clock_sun6i.o
 
 ifndef CONFIG_SPL_BUILD
-obj-y  += cpu_info.o
 ifdef CONFIG_ARMV7_PSCI
 obj-y  += psci.o
 endif
diff --git a/arch/arm/cpu/armv7/sunxi/dram_sun6i.c 
b/arch/arm/cpu/armv7/sunxi/dram_sun6i.c
index 30439dc..2ac0b58 100644
--- a/arch/arm/cpu/armv7/sunxi/dram_sun6i.c
+++ b/arch/arm/cpu/armv7/sunxi/dram_sun6i.c
@@ -372,10 +372,15 @@ unsigned long sunxi_dram_init(void)
                .rows = 16,
        };
 
+       /* A31s only has one channel */
+       if (sunxi_get_ss_bonding_id() == SUNXI_SS_BOND_ID_A31S)
+               para.chan = 1;
+
        mctl_sys_init();
 
        mctl_dll_init(0, &para);
-       mctl_dll_init(1, &para);
+       if (para.chan == 2)
+               mctl_dll_init(1, &para);
 
        setbits_le32(&mctl_com->ccr,
                     MCTL_CCR_MASTER_CLK_EN |
@@ -383,7 +388,9 @@ unsigned long sunxi_dram_init(void)
                     MCTL_CCR_CH1_CLK_EN);
 
        mctl_channel_init(0, &para);
-       mctl_channel_init(1, &para);
+       if (para.chan == 2)
+               mctl_channel_init(1, &para);
+
        mctl_com_init(&para);
        mctl_port_cfg();
 
-- 
2.1.0

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