[U-Boot] [PATCH] powerpc/mpc85xx:Add BSC9131 RDB Support

Prabhakar Kushwaha prabhakar at freescale.com
Wed Apr 25 05:40:52 CEST 2012


Hi,

  Please find my reply in-lined.

On Wednesday 25 April 2012 12:58 AM, Andy Fleming wrote:
> On Thu, Mar 15, 2012 at 1:44 AM, Prabhakar Kushwaha
> <prabhakar at freescale.com>  wrote:
>> +
>> +#include<common.h>
>> +#include<asm/processor.h>
>> +#include<asm/mmu.h>
>> +#include<asm/cache.h>
>> +#include<asm/immap_85xx.h>
>> +#include<asm/io.h>
>> +#include<miiphy.h>
>> +#include<libfdt.h>
>> +#include<fdt_support.h>
>> +#include<fsl_mdio.h>
>> +#include<tsec.h>
>> +#include<netdev.h>
>> +
>> +
>> +DECLARE_GLOBAL_DATA_PTR;
>> +
>> +int board_early_init_f(void)
>> +{
>> +       ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
>> +
>> +       clrbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_CTS_B0_GPIO42);
>> +       setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_CTS_B0_DSP_TMS);
>> +
>> +       clrbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_RTS_B0_GPIO43);
>> +       setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_RTS_B0_DSP_TCK |
>> +                       MPC85xx_PMUXCR2_UART_CTS_B1_SIM_PD);
>> +       setbits_be32(HALTED_TO_HALT_REQ_MASK_REG, HALTED_TO_HALT_REQ_MASK_0);
>
> Based on my previous comments, this would change to&gur->halt_req_mask.
>

Agree. I will change in next patch version.

>> +       clrsetbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_IFC_AD_GPIO_MASK |
>> +                       MPC85xx_PMUXCR_IFC_AD17_GPO_MASK,
>> +                       MPC85xx_PMUXCR_IFC_AD_GPIO |
>> +                       MPC85xx_PMUXCR_IFC_AD17_GPO | MPC85xx_PMUXCR_SDHC_USIM);
>> +
>> +       return 0;
>> +}
>> +
>
>> +
>> +#ifdef CONFIG_TSEC_ENET
>> +int board_eth_init(bd_t *bis)
>> +{
>> +       struct fsl_pq_mdio_info mdio_info;
>> +       struct tsec_info_struct tsec_info[2];
>> +
>> +       int num = 0;
>> +
>> +#ifdef CONFIG_TSEC1
>> +       SET_STD_TSEC_INFO(tsec_info[num], 1);
>> +       num++;
>> +#endif
>> +
>> +#ifdef CONFIG_TSEC2
>> +       SET_STD_TSEC_INFO(tsec_info[num], 2);
>> +       num++;
>> +#endif
>> +
>> +       if (!num) {
>> +               printf("No TSECs initialized\n");
>> +               return 0;
>> +       }
>> +
>> +       mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
>> +       mdio_info.name = DEFAULT_MII_NAME;
>> +
>> +       fsl_pq_mdio_init(bis,&mdio_info);
>> +       tsec_eth_init(bis, tsec_info, num);
>> +
>> +       return num;
>> +}
>> +#endif
>
> You don't need this function at all, as it appears you are using all
> standard settings. tsec_standard_init() will set up the driver the
> same way as above, and cpu_eth_init() will call that. You only need a
> board-ethernet init function if there's something special about the
> board that causes ethernet initialization to be non-standard.

I will check this point. if required definitely change the code in next 
patch version

Thanks,
Prabhakar






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