From 776d7f1694a7d678291354a05f0243965708306a Mon Sep 17 00:00:00 2001 From: Alexey Brodkin Date: Mon, 16 May 2016 12:57:43 +0300 Subject: arc: axs103_smp: Fix CPU frequency to 100MHz for dual-core The most recent release of AXS103 [v1.1] is proven to work at 100 MHz in dual-core mode so this change uses mentioned feature. For that we: * Update axc003_idu.dtsi with mention of really-used CPU clock freq * Remove clock override in AXS platform code for dual-core HW Note we're still leaving a hack for clock "downgrade" on early boot for quad-core hardware. Also note this change will break functionality of AXS103 v1.0 hardware. That means all users of AXS103 __must__ upgrade their boards with the most recent firmware. Signed-off-by: Alexey Brodkin Signed-off-by: Vineet Gupta --- arch/arc/boot/dts/axc003_idu.dtsi | 2 +- arch/arc/plat-axs10x/axs10x.c | 2 -- 2 files changed, 1 insertion(+), 3 deletions(-) (limited to 'arch/arc') diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi index 8955881db794..ed1674b16e82 100644 --- a/arch/arc/boot/dts/axc003_idu.dtsi +++ b/arch/arc/boot/dts/axc003_idu.dtsi @@ -28,7 +28,7 @@ core_clk: core_clk { #clock-cells = <0>; compatible = "fixed-clock"; - clock-frequency = <90000000>; + clock-frequency = <100000000>; }; core_intc: archs-intc@cpu { diff --git a/arch/arc/plat-axs10x/axs10x.c b/arch/arc/plat-axs10x/axs10x.c index 9701c93f315d..86548701023c 100644 --- a/arch/arc/plat-axs10x/axs10x.c +++ b/arch/arc/plat-axs10x/axs10x.c @@ -410,8 +410,6 @@ static void __init axs103_early_init(void) unsigned int num_cores = (read_aux_reg(ARC_REG_MCIP_BCR) >> 16) & 0x3F; if (num_cores > 2) freq = 50; - else if (num_cores == 2) - freq = 75; #endif switch (freq) { -- cgit v1.2.1