The KARO Tx53 board in the revision 8030 has an instable SDRAM setup. It works as long as the MMU is disabled, but the board crashes at arbitrary places once the MMU gets enabled. So we need the PLL setup early. Enable it for pbl. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- arch/arm/mach-imx/Makefile | 1 + arch/arm/mach-imx/imx53.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 67f3a8c..e5ef78a 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_ARCH_IMX31) += imx31.o iomux-v2.o clk-imx31.o obj-$(CONFIG_ARCH_IMX35) += imx35.o iomux-v3.o clk-imx35.o obj-$(CONFIG_ARCH_IMX51) += imx51.o iomux-v3.o imx5.o clk-imx5.o obj-$(CONFIG_ARCH_IMX53) += imx53.o iomux-v3.o imx5.o clk-imx5.o +pbl-$(CONFIG_ARCH_IMX53) += imx53.o imx5.o obj-$(CONFIG_ARCH_IMX6) += imx6.o iomux-v3.o usb-imx6.o clk-imx6.o obj-$(CONFIG_IMX_IIM) += iim.o obj-$(CONFIG_NAND_IMX) += nand.o diff --git a/arch/arm/mach-imx/imx53.c b/arch/arm/mach-imx/imx53.c index 38b94fc..cac7b74 100644 --- a/arch/arm/mach-imx/imx53.c +++ b/arch/arm/mach-imx/imx53.c @@ -191,6 +191,8 @@ void imx53_init_lowlevel(unsigned int cpufreq_mhz) writel(0xffffffff, ccm + MX5_CCM_CCGR6); writel(0xffffffff, ccm + MX53_CCM_CCGR7); - clock_notifier_call_chain(); + if (!IS_ENABLED(__PBL__)) + clock_notifier_call_chain(); + writel(0, ccm + MX5_CCM_CCDR); } -- 1.7.10.4 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
