[U-Boot] [PATCH 2/5] mpc83xx: add support for setting PCIE clocks

Ilya Yanok yanok at emcraft.com
Tue Sep 14 22:40:38 CEST 2010


This patch adds support for setting PCIE clocks in cpu_init.c by
providing CONFIG_SYS_SCCR_PCIEXP{1,2} in configuration.

Signed-off-by: Ilya Yanok <yanok at emcraft.com>
---
 arch/powerpc/cpu/mpc83xx/cpu_init.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/cpu/mpc83xx/cpu_init.c b/arch/powerpc/cpu/mpc83xx/cpu_init.c
index 83cba93..f01c09a 100644
--- a/arch/powerpc/cpu/mpc83xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc83xx/cpu_init.c
@@ -126,6 +126,12 @@ void cpu_init_f (volatile immap_t * im)
 #ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */
 		SCCR_PCICM |
 #endif
+#ifdef CONFIG_SYS_SCCR_PCIEXP1CM	/* PCIE1 clock mode */
+		SCCR_PCIEXP1CM |
+#endif
+#ifdef CONFIG_SYS_SCCR_PCIEXP2CM	/* PCIE2 clock mode */
+		SCCR_PCIEXP2CM |
+#endif
 #ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */
 		SCCR_TSECCM |
 #endif
@@ -158,6 +164,12 @@ void cpu_init_f (volatile immap_t * im)
 #ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */
 		(CONFIG_SYS_SCCR_PCICM << SCCR_PCICM_SHIFT) |
 #endif
+#ifdef CONFIG_SYS_SCCR_PCIEXP1CM	/* PCIE1 clock mode */
+		(CONFIG_SYS_SCCR_PCIEXP1CM << SCCR_PCIEXP1CM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_PCIEXP2CM	/* PCIE2 clock mode */
+		(CONFIG_SYS_SCCR_PCIEXP2CM << SCCR_PCIEXP2CM_SHIFT) |
+#endif
 #ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */
 		(CONFIG_SYS_SCCR_TSECCM << SCCR_TSECCM_SHIFT) |
 #endif
-- 
1.6.2.5



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