From 7582e39eb0139e79c0f80d9d1862d3baa74dddcf Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Sat, 15 Nov 2014 23:18:18 +0100 Subject: [PATCH] sun6i: dram: Do not try to initialize a second dram chan on A31s The A31s only has one dram channel, so do not bother with trying to initialize a second channel. Signed-off-by: Hans de Goede Acked-by: Ian Campbell --- arch/arm/cpu/armv7/sunxi/Makefile | 2 +- arch/arm/cpu/armv7/sunxi/dram_sun6i.c | 20 ++++++++++++++------ 2 files changed, 15 insertions(+), 7 deletions(-) diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile index 3b6ae47329..1337b60ac5 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 8f567c6452..61bb8d4adf 100644 --- a/arch/arm/cpu/armv7/sunxi/dram_sun6i.c +++ b/arch/arm/cpu/armv7/sunxi/dram_sun6i.c @@ -369,18 +369,26 @@ 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, ¶); - mctl_dll_init(1, ¶); + setbits_le32(&mctl_com->ccr, MCTL_CCR_CH0_CLK_EN); + + if (para.chan == 2) { + mctl_dll_init(1, ¶); + setbits_le32(&mctl_com->ccr, MCTL_CCR_CH1_CLK_EN); + } - setbits_le32(&mctl_com->ccr, - MCTL_CCR_MASTER_CLK_EN | - MCTL_CCR_CH0_CLK_EN | - MCTL_CCR_CH1_CLK_EN); + setbits_le32(&mctl_com->ccr, MCTL_CCR_MASTER_CLK_EN); mctl_channel_init(0, ¶); - mctl_channel_init(1, ¶); + if (para.chan == 2) + mctl_channel_init(1, ¶); + mctl_com_init(¶); mctl_port_cfg(); -- 2.39.5