diff options
Diffstat (limited to 'package/boot/uboot-sunxi/patches/002-sun5i-give-pll6-a-sane-value.patch')
-rw-r--r-- | package/boot/uboot-sunxi/patches/002-sun5i-give-pll6-a-sane-value.patch | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/package/boot/uboot-sunxi/patches/002-sun5i-give-pll6-a-sane-value.patch b/package/boot/uboot-sunxi/patches/002-sun5i-give-pll6-a-sane-value.patch deleted file mode 100644 index b4e0ee1847..0000000000 --- a/package/boot/uboot-sunxi/patches/002-sun5i-give-pll6-a-sane-value.patch +++ /dev/null @@ -1,39 +0,0 @@ -From 75ec90fda763b491e5169dcb6dce8abe3856d946 Mon Sep 17 00:00:00 2001 -From: Hans de Goede <hdegoede@redhat.com> -Date: Sat, 14 Dec 2013 20:58:57 +0100 -Subject: [PATCH] sun5i: Give PLL6 a sane initial value - -The upstream kernel does not override PLL values as set by power-on-reset -and/or the bootloader if it can avoid doing so. - -The power-on-reset value for PLL6 is 2400MHz, which does not actually work, -the kernel does not know this and 2400 / 48 is 50 MHz, so the kernel happily -tries to use it as is for mmc. - -Set PLL6 to a working frequency so that the kernel can use it. This fixes -mmc in the upstream kernel not working on sun5i. - -Signed-off-by: Hans de Goede <hdegoede@redhat.com> ---- - arch/arm/cpu/armv7/sunxi/clock.c | 5 +++++ - 1 file changed, 5 insertions(+) - -diff --git a/arch/arm/cpu/armv7/sunxi/clock.c b/arch/arm/cpu/armv7/sunxi/clock.c -index 57b136d..b9dd608 100644 ---- a/arch/arm/cpu/armv7/sunxi/clock.c -+++ b/arch/arm/cpu/armv7/sunxi/clock.c -@@ -43,6 +43,11 @@ static void clock_init_safe(void) - sdelay(200); - writel(AXI_DIV_1 << 0 | AHB_DIV_2 << 4 | APB0_DIV_1 << 8 | - CPU_CLK_SRC_PLL1 << 16, &ccm->cpu_ahb_apb0_cfg); -+#ifdef CONFIG_SUN5I -+ /* Power on reset default for PLL6 is 2400 MHz, which is faster then -+ * it can reliable do :| Set it to a 600 MHz instead. */ -+ writel(0x21009900, &ccm->pll6_cfg); -+#endif - #ifdef CONFIG_SUN7I - writel(0x1 << 6 | readl(&ccm->ahb_gate0), &ccm->ahb_gate0); - writel(0x1 << 31 | readl(&ccm->pll6_cfg), &ccm->pll6_cfg); --- -1.8.5.1 - |