From: Peng Fan peng.fan@nxp.com
Simplify the clk root settings with an array
Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/include/asm/arch-imx9/clock.h | 6 ++++ arch/arm/mach-imx/imx9/clock.c | 38 +++++++++++++++----------- 2 files changed, 28 insertions(+), 16 deletions(-)
diff --git a/arch/arm/include/asm/arch-imx9/clock.h b/arch/arm/include/asm/arch-imx9/clock.h index 336d8613181..1169ffd74d3 100644 --- a/arch/arm/include/asm/arch-imx9/clock.h +++ b/arch/arm/include/asm/arch-imx9/clock.h @@ -205,6 +205,12 @@ struct clk_root_map { u32 mux_type; };
+struct imx_clk_setting { + u32 clk_root; + enum ccm_clk_src src; + u32 div; +}; + int clock_init(void); u32 get_clk_src_rate(enum ccm_clk_src source); u32 get_lpuart_clk(void); diff --git a/arch/arm/mach-imx/imx9/clock.c b/arch/arm/mach-imx/imx9/clock.c index a0efee96e51..a5f95fbcb8a 100644 --- a/arch/arm/mach-imx/imx9/clock.c +++ b/arch/arm/mach-imx/imx9/clock.c @@ -680,36 +680,42 @@ void set_arm_clk(ulong freq)
#endif
-int clock_init(void) -{ - int i; - +struct imx_clk_setting imx_clk_settings[] = { /* Set A55 periphal to 333M */ - ccm_clk_root_cfg(ARM_A55_PERIPH_CLK_ROOT, SYS_PLL_PFD0, 3); + {ARM_A55_PERIPH_CLK_ROOT, SYS_PLL_PFD0, 3}, /* Set A55 mtr bus to 133M */ - ccm_clk_root_cfg(ARM_A55_MTR_BUS_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3); - + {ARM_A55_MTR_BUS_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3}, /* Sentinel to 200M */ - ccm_clk_root_cfg(SENTINEL_CLK_ROOT, SYS_PLL_PFD1_DIV2, 2); + {SENTINEL_CLK_ROOT, SYS_PLL_PFD1_DIV2, 2}, /* Bus_wakeup to 133M */ - ccm_clk_root_cfg(BUS_WAKEUP_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3); + {BUS_WAKEUP_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3}, /* Bus_AON to 133M */ - ccm_clk_root_cfg(BUS_AON_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3); + {BUS_AON_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3}, /* M33 to 200M */ - ccm_clk_root_cfg(M33_CLK_ROOT, SYS_PLL_PFD1_DIV2, 2); + {M33_CLK_ROOT, SYS_PLL_PFD1_DIV2, 2}, /* * WAKEUP_AXI to 312.5M, because of FEC only can support to 320M for * generating MII clock at 2.5M */ - ccm_clk_root_cfg(WAKEUP_AXI_CLK_ROOT, SYS_PLL_PFD2, 2); + {WAKEUP_AXI_CLK_ROOT, SYS_PLL_PFD2, 2}, /* SWO TRACE to 133M */ - ccm_clk_root_cfg(SWO_TRACE_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3); + {SWO_TRACE_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3}, /* M33 systetick to 24M */ - ccm_clk_root_cfg(M33_SYSTICK_CLK_ROOT, OSC_24M_CLK, 1); + {M33_SYSTICK_CLK_ROOT, OSC_24M_CLK, 1}, /* NIC to 400M */ - ccm_clk_root_cfg(NIC_CLK_ROOT, SYS_PLL_PFD1, 2); + {NIC_CLK_ROOT, SYS_PLL_PFD1, 2}, /* NIC_APB to 133M */ - ccm_clk_root_cfg(NIC_APB_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3); + {NIC_APB_CLK_ROOT, SYS_PLL_PFD1_DIV2, 3} +}; + +int clock_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(imx_clk_settings); i++) { + ccm_clk_root_cfg(imx_clk_settings[i].clk_root, + imx_clk_settings[i].src, imx_clk_settings[i].div); + }
/* allow for non-secure access */ for (i = 0; i < OSCPLL_END; i++)