From: Hou Zhiqiang Zhiqiang.Hou@nxp.com
Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- .../include/asm/arch-fsl-layerscape/ns_access.h | 1 + board/freescale/common/ns_access.c | 28 ++++++++++++++++++++++ include/fsl_csu.h | 1 + 3 files changed, 30 insertions(+)
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/ns_access.h b/arch/arm/include/asm/arch-fsl-layerscape/ns_access.h index db76066..f46f1d8 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/ns_access.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/ns_access.h @@ -6,6 +6,7 @@
#ifndef __FSL_NS_ACCESS_H_ #define __FSL_NS_ACCESS_H_ +#include <fsl_csu.h>
enum csu_cslx_ind { CSU_CSLX_PCIE2_IO = 0, diff --git a/board/freescale/common/ns_access.c b/board/freescale/common/ns_access.c index c3d7a5e..80e4b61 100644 --- a/board/freescale/common/ns_access.c +++ b/board/freescale/common/ns_access.c @@ -8,6 +8,7 @@ #include <asm/io.h> #include <fsl_csu.h> #include <asm/arch/ns_access.h> +#include <asm/arch/fsl_serdes.h>
void set_devices_ns_access(struct csu_ns_dev *ns_dev, u16 val) { @@ -40,3 +41,30 @@ void enable_layerscape_ns_access(void) { enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev)); } + +void disable_pcie_ns_access(int pcie) +{ + switch (pcie) { +#ifdef CONFIG_PCIE1 + case PCIE1: + set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE1], 0); + set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE1_IO], 0); + return; +#endif +#ifdef CONFIG_PCIE2 + case PCIE2: + set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE2], 0); + set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE2_IO], 0); + return; +#endif +#ifdef CONFIG_PCIE3 + case PCIE3: + set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE3], 0); + set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE3_IO], 0); + return; +#endif + default: + debug("The PCIE%d doesn't exist!\n", pcie); + return; + } +} diff --git a/include/fsl_csu.h b/include/fsl_csu.h index 57a9985..42ca433 100644 --- a/include/fsl_csu.h +++ b/include/fsl_csu.h @@ -31,5 +31,6 @@ struct csu_ns_dev {
void enable_layerscape_ns_access(void); void set_devices_ns_access(struct csu_ns_dev *ns_dev, u16 val); +void disable_pcie_ns_access(int pcie);
#endif