[PATCH 14/42] imx9: simplify clk settings

[Peng Fan (OSS)]

From: Peng Fan <peng.fan at nxp.com>

Simplify the clk root settings with an array

Signed-off-by: Peng Fan <peng.fan at 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++)
-- 
2.40.0