From: Patrick Delaunay <patrick.delaunay@st.com>
Date: Tue, 30 Jul 2019 17:16:55 +0000 (+0200)
Subject: stm32mp1: clk: use gd to store frequency information
X-Git-Tag: v2019.10-rc4~31^2~13
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4de076ed0958d98168820d5b2b5d96c16f928605;p=platform%2Fkernel%2Fu-boot.git

stm32mp1: clk: use gd to store frequency information

Use existing gd structure to store frequency information
which can be used in drivers or arch without new request.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---

diff --git a/drivers/clk/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c
index 359c2b9..e87307f 100644
--- a/drivers/clk/clk_stm32mp1.c
+++ b/drivers/clk/clk_stm32mp1.c
@@ -15,6 +15,8 @@
 #include <dt-bindings/clock/stm32mp1-clks.h>
 #include <dt-bindings/clock/stm32mp1-clksrc.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #ifndef CONFIG_STM32MP1_TRUSTED
 #if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
 /* activate clock tree initialization in the driver */
@@ -2042,22 +2044,22 @@ static int stm32mp1_clk_probe(struct udevice *dev)
 		stm32mp1_clk_dump(priv);
 #endif
 
+	gd->cpu_clk = stm32mp1_clk_get(priv, _CK_MPU);
+	gd->bus_clk = stm32mp1_clk_get(priv, _ACLK);
+	/* DDRPHYC father */
+	gd->mem_clk = stm32mp1_clk_get(priv, _PLL2_R);
 #if defined(CONFIG_DISPLAY_CPUINFO)
 	if (gd->flags & GD_FLG_RELOC) {
 		char buf[32];
 
 		printf("Clocks:\n");
-		printf("- MPU : %s MHz\n",
-		       strmhz(buf, stm32mp1_clk_get(priv, _CK_MPU)));
+		printf("- MPU : %s MHz\n", strmhz(buf, gd->cpu_clk));
 		printf("- MCU : %s MHz\n",
 		       strmhz(buf, stm32mp1_clk_get(priv, _CK_MCU)));
-		printf("- AXI : %s MHz\n",
-		       strmhz(buf, stm32mp1_clk_get(priv, _ACLK)));
+		printf("- AXI : %s MHz\n", strmhz(buf, gd->bus_clk));
 		printf("- PER : %s MHz\n",
 		       strmhz(buf, stm32mp1_clk_get(priv, _CK_PER)));
-		/* DDRPHYC father */
-		printf("- DDR : %s MHz\n",
-		       strmhz(buf, stm32mp1_clk_get(priv, _PLL2_R)));
+		printf("- DDR : %s MHz\n", strmhz(buf, gd->mem_clk));
 	}
 #endif /* CONFIG_DISPLAY_CPUINFO */
 #endif