diff options
Diffstat (limited to 'arch/arm/cpu/armv7/sunxi/dram_sun8i_a23.c')
-rw-r--r-- | arch/arm/cpu/armv7/sunxi/dram_sun8i_a23.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/dram_sun8i_a23.c b/arch/arm/cpu/armv7/sunxi/dram_sun8i_a23.c index 3d7964d1af..165c052122 100644 --- a/arch/arm/cpu/armv7/sunxi/dram_sun8i_a23.c +++ b/arch/arm/cpu/armv7/sunxi/dram_sun8i_a23.c @@ -26,12 +26,14 @@ #include <asm/arch/clock.h> #include <asm/arch/dram.h> #include <asm/arch/prcm.h> +#include <linux/kconfig.h> static const struct dram_para dram_para = { .clock = CONFIG_DRAM_CLK, .type = 3, .zq = CONFIG_DRAM_ZQ, - .odt_en = 1, + .odt_en = IS_ENABLED(CONFIG_DRAM_ODT_EN), + .odt_correction = CONFIG_DRAM_ODT_CORRECTION, .para1 = 0, /* not used (only used when tpr13 bit 31 is set */ .para2 = 0, /* not used (only used when tpr13 bit 31 is set */ .mr0 = 6736, @@ -97,7 +99,6 @@ static void mctl_init(u32 *bus_width) (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; struct sunxi_mctl_phy_reg * const mctl_phy = (struct sunxi_mctl_phy_reg *)SUNXI_DRAM_PHY0_BASE; - int correction; if (dram_para.tpr13 & 0x20) writel(0x40b, &mctl_phy->dcr); @@ -138,7 +139,7 @@ static void mctl_init(u32 *bus_width) writel(0x01000081, &mctl_phy->dtcr); - if (dram_para.clock <= 240 || !(dram_para.odt_en & 0x01)) { + if (dram_para.clock <= 240 || !dram_para.odt_en) { clrbits_le32(&mctl_phy->dx0gcr, 0x600); clrbits_le32(&mctl_phy->dx1gcr, 0x600); } @@ -251,13 +252,11 @@ static void mctl_init(u32 *bus_width) } else *bus_width = 16; - correction = (dram_para.odt_en >> 8) & 0xff; - if (correction) { - if (dram_para.odt_en & 0x80000000) - correction = -correction; - - mctl_apply_odt_correction(&mctl_phy->dx0lcdlr1, correction); - mctl_apply_odt_correction(&mctl_phy->dx1lcdlr1, correction); + if (dram_para.odt_correction) { + mctl_apply_odt_correction(&mctl_phy->dx0lcdlr1, + dram_para.odt_correction); + mctl_apply_odt_correction(&mctl_phy->dx1lcdlr1, + dram_para.odt_correction); } mctl_await_completion(&mctl_ctl->statr, 0x01, 0x01); |