diff options
| author | Ye Li <ye.li@nxp.com> | 2018-08-26 21:30:01 -0700 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2018-09-04 23:23:23 -0700 |
| commit | 8c61389c9d2b6e96af47080fbb71d706bc77afb9 (patch) | |
| tree | 5c3b7e83024f0b4d41c9c8086f742e1a12c23108 | |
| parent | 8ae224d63b2affb48566e97c0b73f80251074441 (diff) | |
MLK-18901-4 imx8qm/qxp: Add clocks command support
Add "clocks" command to list clocks values for core and some peripherals
on QM/QXP.
Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit c2c9b6487440946a52564ee20c2b1943a4085152)
| -rw-r--r-- | arch/arm/cpu/armv8/imx8/clock.c | 39 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-imx8/clock.h | 2 |
2 files changed, 40 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv8/imx8/clock.c b/arch/arm/cpu/armv8/imx8/clock.c index 5e2d38ecf7..551a1d1359 100644 --- a/arch/arm/cpu/armv8/imx8/clock.c +++ b/arch/arm/cpu/armv8/imx8/clock.c @@ -90,6 +90,22 @@ unsigned int mxc_get_clock(enum mxc_clock clk) return 0; } return clkrate; + case MXC_FSPI_CLK: + err = sc_pm_get_clock_rate((sc_ipc_t)gd->arch.ipc_channel_handle, + SC_R_FSPI_0, 2, &clkrate); + if (err != SC_ERR_NONE) { + printf("sc get FSPI clk failed! err=%d\n", err); + return 0; + } + return clkrate; + case MXC_DDR_CLK: + err = sc_pm_get_clock_rate((sc_ipc_t)gd->arch.ipc_channel_handle, + SC_R_DRC_0, 0, &clkrate); + if (err != SC_ERR_NONE) { + printf("sc get DRC0 clk failed! err=%d\n", err); + return 0; + } + return clkrate; case MXC_ARM_CLK: return get_arm_main_clk(); default: @@ -368,3 +384,26 @@ void init_clk_fec(int index) } } +/* + * Dump some core clockes. + */ +int do_mx8_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + printf("ARM %8d kHz\n", mxc_get_clock(MXC_ARM_CLK) / 1000); + printf("DRC %8d kHz\n", mxc_get_clock(MXC_DDR_CLK) / 1000); + printf("USDHC1 %8d kHz\n", mxc_get_clock(MXC_ESDHC_CLK) / 1000); + printf("USDHC2 %8d kHz\n", mxc_get_clock(MXC_ESDHC2_CLK) / 1000); + printf("USDHC3 %8d kHz\n", mxc_get_clock(MXC_ESDHC3_CLK) / 1000); + printf("UART0 %8d kHz\n", mxc_get_clock(MXC_UART_CLK) / 1000); + printf("FEC0 %8d kHz\n", mxc_get_clock(MXC_FEC_CLK) / 1000); + printf("FLEXSPI0 %8d kHz\n", mxc_get_clock(MXC_FSPI_CLK) / 1000); + + return 0; +} + +U_BOOT_CMD( + clocks, CONFIG_SYS_MAXARGS, 1, do_mx8_showclocks, + "display clocks", + "" +); + diff --git a/arch/arm/include/asm/arch-imx8/clock.h b/arch/arm/include/asm/arch-imx8/clock.h index 0fd6330ad1..87eb7d1781 100644 --- a/arch/arm/include/asm/arch-imx8/clock.h +++ b/arch/arm/include/asm/arch-imx8/clock.h @@ -14,7 +14,7 @@ enum mxc_clock { MXC_AHB_CLK, MXC_IPG_CLK, MXC_UART_CLK, - MXC_CSPI_CLK, + MXC_FSPI_CLK, MXC_AXI_CLK, MXC_DDR_CLK, MXC_ESDHC_CLK, |