[U-Boot] [v3 2/4] spi: cadence_qspi: fix indirect read/write start address

[Marek Vasut <marex@denx.de>]

On Saturday, August 15, 2015 at 04:15:58 AM, Vikas Manocha wrote:
> Indirect read/write start addresses are flash start addresses for indirect
> read or write transfers. These should be absolute flash addresses instead
> of offsets.
> 
> Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
> ---
> 
> Changes in v3: none
> Changes in v2: Rebased to master
> 
>  drivers/spi/cadence_qspi_apb.c |    6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/spi/cadence_qspi_apb.c
> b/drivers/spi/cadence_qspi_apb.c index b46e5fe..6b5ae30 100644
> --- a/drivers/spi/cadence_qspi_apb.c
> +++ b/drivers/spi/cadence_qspi_apb.c
> @@ -705,7 +705,8 @@ int cadence_qspi_apb_indirect_read_setup(struct
> cadence_spi_platdata *plat,
> 
>  	/* Get address */
>  	addr_value = cadence_qspi_apb_cmd2addr(&cmdbuf[1], addr_bytes);
> -	writel(addr_value, plat->regbase + CQSPI_REG_INDIRECTRDSTARTADDR);
> +	writel((u32)plat->ahbbase + addr_value,
> +			plat->regbase + CQSPI_REG_INDIRECTRDSTARTADDR);

Please drop this (u32) cast, it's misleading and problematic.

>  	/* The remaining lenght is dummy bytes. */
>  	dummy_bytes = cmdlen - addr_bytes - 1;
> @@ -795,7 +796,8 @@ int cadence_qspi_apb_indirect_write_setup(struct
> cadence_spi_platdata *plat,
> 
>  	/* Setup write address. */
>  	reg = cadence_qspi_apb_cmd2addr(&cmdbuf[1], addr_bytes);
> -	writel(reg, plat->regbase + CQSPI_REG_INDIRECTWRSTARTADDR);
> +	writel((u32)plat->ahbbase + reg,
> +			plat->regbase + CQSPI_REG_INDIRECTWRSTARTADDR);

Please drop this (u32) cast, it's misleading and problematic.

Best regards,
Marek Vasut