[U-Boot] [PATCH] fsl-lsch2: csu: correct the workaround A-010315

York Sun york.sun at nxp.com
Mon Aug 7 21:18:18 UTC 2017


On 07/03/2017 03:07 AM, Zhiqiang Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> 
> The implementation of workaround A-010315 is wrong, it updated
> other IP's CSU registers.
> 
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> ---
>   board/freescale/common/ns_access.c | 20 ++++++++++----------
>   include/fsl_csu.h                  |  2 +-
>   2 files changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/board/freescale/common/ns_access.c b/board/freescale/common/ns_access.c
> index 1c2287d..0c3a54c 100644
> --- a/board/freescale/common/ns_access.c
> +++ b/board/freescale/common/ns_access.c
> @@ -10,15 +10,15 @@
>   #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)
> +void set_devices_ns_access(unsigned long index, u16 val)
>   {
>   	u32 *base = (u32 *)CONFIG_SYS_FSL_CSU_ADDR;
>   	u32 *reg;
>   	uint32_t tmp;
>   
> -	reg = base + ns_dev->ind / 2;
> +	reg = base + index / 2;
>   	tmp = in_be32(reg);
> -	if (ns_dev->ind % 2 == 0) {
> +	if (index % 2 == 0) {
>   		tmp &= 0x0000ffff;
>   		tmp |= val << 16;
>   	} else {
> @@ -34,7 +34,7 @@ static void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num)
>   	int i;
>   
>   	for (i = 0; i < num; i++)
> -		set_devices_ns_access(ns_dev + i, ns_dev[i].val);
> +		set_devices_ns_access(ns_dev[i].ind, ns_dev[i].val);
>   }
>   
>   void enable_layerscape_ns_access(void)
> @@ -50,20 +50,20 @@ void set_pcie_ns_access(int pcie, u16 val)
>   	switch (pcie) {
>   #ifdef CONFIG_PCIE1
>   	case PCIE1:
> -		set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE1], val);
> -		set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE1_IO], val);
> +		set_devices_ns_access(CSU_CSLX_PCIE1, val);
> +		set_devices_ns_access(CSU_CSLX_PCIE1_IO, val);
>   		return;
>   #endif
>   #ifdef CONFIG_PCIE2
>   	case PCIE2:
> -		set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE2], val);
> -		set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE2_IO], val);
> +		set_devices_ns_access(CSU_CSLX_PCIE2, val);
> +		set_devices_ns_access(CSU_CSLX_PCIE2_IO, val);
>   		return;
>   #endif
>   #ifdef CONFIG_PCIE3
>   	case PCIE3:
> -		set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE3], val);
> -		set_devices_ns_access(&ns_dev[CSU_CSLX_PCIE3_IO], val);
> +		set_devices_ns_access(CSU_CSLX_PCIE3, val);
> +		set_devices_ns_access(CSU_CSLX_PCIE3_IO, val);
>   		return;
>   #endif
>   	default:
> diff --git a/include/fsl_csu.h b/include/fsl_csu.h
> index 8582ac0..027a811 100644
> --- a/include/fsl_csu.h
> +++ b/include/fsl_csu.h
> @@ -30,7 +30,7 @@ struct csu_ns_dev {
>   };
>   
>   void enable_layerscape_ns_access(void);
> -void set_devices_ns_access(struct csu_ns_dev *ns_dev, u16 val);
> +void set_devices_ns_access(unsigned long, u16 val);
>   void set_pcie_ns_access(int pcie, u16 val);
>   
>   #endif
> 

Zhiqiang,

Your subject and commit message both say fixing the workaround for 
A010315 but the change is for non-secure access. Did you mismatch them?

York


More information about the U-Boot mailing list