[U-Boot] [PATCH 1/5] armv8: lsch3: Use SVR based timer base address detection

Priyanka Jain priyanka.jain at nxp.com
Wed Oct 19 11:36:38 CEST 2016


Timer base address has been changed from LS2080A SoC to
new SoCs like LS2088A, LS1088A.

Use SVR based timer base address detection to avoid compile time #ifdef.

Signed-off-by: Priyanka Jain <priyanka.jain at nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/cpu.c            |   14 +++++++++++++-
 .../include/asm/arch-fsl-layerscape/immap_lsch3.h  |    3 ++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index b7a2e0c..ce04e48 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -424,8 +424,10 @@ int arch_early_init_r(void)
 
 int timer_init(void)
 {
-	u32 __iomem *cntcr = (u32 *)CONFIG_SYS_FSL_TIMER_ADDR;
+	u32 __iomem *cntcr;
 #ifdef CONFIG_FSL_LSCH3
+	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+	u32 svr, ver;
 	u32 __iomem *cltbenr = (u32 *)CONFIG_SYS_FSL_PMU_CLTBENR;
 #endif
 #ifdef CONFIG_LS2080A
@@ -439,6 +441,16 @@ int timer_init(void)
 #endif
 
 #ifdef CONFIG_FSL_LSCH3
+	svr = gur_in32(&gur->svr);
+	ver = SVR_SOC_VER(svr);
+	if ((ver == SVR_LS2080A) || (ver == SVR_LS2040A) ||
+	    (ver == SVR_LS2085A) || (ver == SVR_LS2045A))
+		cntcr = (u32 *)LS2080A_LS2085A_TIMER_ADDR;
+	else
+#endif
+		cntcr = (u32 *)CONFIG_SYS_FSL_TIMER_ADDR;
+
+#ifdef CONFIG_FSL_LSCH3
 	/* Enable timebase for all clusters.
 	 * It is safe to do so even some clusters are not enabled.
 	 */
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
index 7acba27..e6cdfcb 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
@@ -23,7 +23,8 @@
 #define CONFIG_SYS_IFC_ADDR			(CONFIG_SYS_IMMR + 0x01240000)
 #define CONFIG_SYS_NS16550_COM1			(CONFIG_SYS_IMMR + 0x011C0500)
 #define CONFIG_SYS_NS16550_COM2			(CONFIG_SYS_IMMR + 0x011C0600)
-#define CONFIG_SYS_FSL_TIMER_ADDR		0x023d0000
+#define LS2080A_LS2085A_TIMER_ADDR		0x023d0000
+#define CONFIG_SYS_FSL_TIMER_ADDR		0x023e0000
 #define CONFIG_SYS_FSL_PMU_CLTBENR		(CONFIG_SYS_FSL_PMU_ADDR + \
 						 0x18A0)
 #define FSL_PMU_PCTBENR_OFFSET (CONFIG_SYS_FSL_PMU_ADDR + 0x8A0)
-- 
1.7.4.1



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