Re: [U-Boot] [PATCH v4 13/28] arm: socfpga: arria10 fpga does not have bridges mapped

[Marek Vasut]

On 01/10/2017 06:20 AM, Chee Tien Fong wrote:
> From: Tien Fong Chee 
> 
> On the Arria10 device, the bridges are not mapped through the interconnect.
> 
> Signed-off-by: Dinh Nguyen 
> Signed-off-by: Tien Fong Chee 
> Cc: Marek Vasut 
> Cc: Dinh Nguyen 
> Cc: Chin Liang See 
> Cc: Tien Fong 
> ---
>  drivers/fpga/socfpga.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/fpga/socfpga.c b/drivers/fpga/socfpga.c
> index f1b2f2c..bfefafd 100644
> --- a/drivers/fpga/socfpga.c
> +++ b/drivers/fpga/socfpga.c
> @@ -278,8 +278,10 @@ int socfpga_load(Altera_desc *desc, const void 
> *rbf_data, size_t rbf_size)
>   /* Disable all axi bridge (hps2fpga, lwhps2fpga & fpga2hps) */
>   socfpga_bridges_reset(1);
>  
> +#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
>   /* Unmap the bridges from NIC-301 */
>   writel(0x1, SOCFPGA_L3REGS_ADDRESS);

This bridge handling is also in SPL, so it should probably be extracted
into common function and the ifdef be contained therein.

> +#endif
>  
>   /* Initialize the FPGA Manager */
>   status = fpgamgr_program_init();
> 


-- 
Best regards,
Marek Vasut
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[U-Boot] [PATCH v4 13/28] arm: socfpga: arria10 fpga does not have bridges mapped

[Chee Tien Fong]

From: Tien Fong Chee 

On the Arria10 device, the bridges are not mapped through the interconnect.

Signed-off-by: Dinh Nguyen 
Signed-off-by: Tien Fong Chee 
Cc: Marek Vasut 
Cc: Dinh Nguyen 
Cc: Chin Liang See 
Cc: Tien Fong 
---
 drivers/fpga/socfpga.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/fpga/socfpga.c b/drivers/fpga/socfpga.c
index f1b2f2c..bfefafd 100644
--- a/drivers/fpga/socfpga.c
+++ b/drivers/fpga/socfpga.c
@@ -278,8 +278,10 @@ int socfpga_load(Altera_desc *desc, const void *rbf_data, 
size_t rbf_size)
/* Disable all axi bridge (hps2fpga, lwhps2fpga & fpga2hps) */
socfpga_bridges_reset(1);
 
+#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
/* Unmap the bridges from NIC-301 */
writel(0x1, SOCFPGA_L3REGS_ADDRESS);
+#endif
 
/* Initialize the FPGA Manager */
status = fpgamgr_program_init();
-- 
2.2.0

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