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authorPeng Fan2023-04-28 12:08:19 +0800
committerStefano Babic2023-05-21 16:54:40 +0200
commit5d09fcf24d7a3126a177d24becb1d51ef36e6480 (patch)
tree57eff2dcdff2a5f3922342d4bafb985a2cb388a3 /arch
parent532e73fddab1781bafd0cb501893bc4fccb54094 (diff)
imx9: simplify clk settings
Simplify the clk root settings with an array Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/arch-imx9/clock.h6
-rw-r--r--arch/arm/mach-imx/imx9/clock.c38
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++)