[U-Boot] [PATCH 47/48] stm32mp1: clk: use gd to store frequency information
Patrick Delaunay
patrick.delaunay at st.com
Tue Jul 30 17:16:55 UTC 2019
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 at st.com>
---
drivers/clk/clk_stm32mp1.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
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
--
2.7.4
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