diff options
Diffstat (limited to 'recipes-bsp/u-boot-mainline/files/0017-imx8qm-fix-cpu-frequency-reporting.patch')
| -rw-r--r-- | recipes-bsp/u-boot-mainline/files/0017-imx8qm-fix-cpu-frequency-reporting.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/recipes-bsp/u-boot-mainline/files/0017-imx8qm-fix-cpu-frequency-reporting.patch b/recipes-bsp/u-boot-mainline/files/0017-imx8qm-fix-cpu-frequency-reporting.patch new file mode 100644 index 0000000..088c2d2 --- /dev/null +++ b/recipes-bsp/u-boot-mainline/files/0017-imx8qm-fix-cpu-frequency-reporting.patch @@ -0,0 +1,40 @@ +From c54d289c92c963d449ad91fd683e13180b88c3b1 Mon Sep 17 00:00:00 2001 +From: Marcel Ziswiler <marcel@ziswiler.com> +Date: Tue, 30 Apr 2019 09:50:50 +0200 +Subject: [PATCH 17/19] imx8qm: fix cpu frequency reporting + +CPU frequency reporting failed with the following error message being +printed: + +sc_pm_get_clock_rate: resource:507 clk:2: res:3 +Could not read CPU frequency: -22 +CPU: NXP i.MX8QM RevB A53 at 0 MHz + +Fix this by differentiating between the A35 as found on the i.MX 8QXP +and the A53 as found on the i.MX 8QM SoCs. + +Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> +Reviewed-by: Max Krummenacher <max.krummenacher@toradex.com> +--- + arch/arm/mach-imx/imx8/cpu.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c +index 12716e7e9e..12596c6387 100644 +--- a/arch/arm/mach-imx/imx8/cpu.c ++++ b/arch/arm/mach-imx/imx8/cpu.c +@@ -654,8 +654,10 @@ static ulong imx8_get_cpu_rate(void) + { + ulong rate; + int ret; ++ int type = is_cortex_a35() ? SC_R_A35 : is_cortex_a53() ? ++ SC_R_A53 : SC_R_A72; + +- ret = sc_pm_get_clock_rate(-1, SC_R_A35, SC_PM_CLK_CPU, ++ ret = sc_pm_get_clock_rate(-1, type, SC_PM_CLK_CPU, + (sc_pm_clock_rate_t *)&rate); + if (ret) { + printf("Could not read CPU frequency: %d\n", ret); +-- +2.14.5 + |