[PATCH 33.3 4/5] LEON3: Network initialization code updated to new AMBAPP layer

Joel Sherrill joel.sherrill at OARcorp.com
Sun Apr 15 22:56:22 UTC 2012


Same comments as for 2/5. OK but check arg spacing.

On 04/15/2012 01:40 PM, Gedare Bloom wrote:
> Looks ok.
>
> On Tue, Apr 10, 2012 at 7:33 AM, Daniel Hellstrom<daniel at gaisler.com>  wrote:
>> Updated SMC91111, GRETH and open_eth driver registration
>> code to use new AMBAPP Layer.
>>
>> Signed-off-by: Daniel Hellstrom<daniel at gaisler.com>
>> ---
>>   .../lib/libbsp/sparc/leon3/leon_greth/leon_greth.c |   16 +++++----
>>   .../sparc/leon3/leon_open_eth/leon_open_eth.c      |   35 +++++++++-----------
>>   .../sparc/leon3/leon_smc91111/leon_smc91111.c      |   24 +++++++------
>>   3 files changed, 38 insertions(+), 37 deletions(-)
>>
>> diff --git a/c/src/lib/libbsp/sparc/leon3/leon_greth/leon_greth.c b/c/src/lib/libbsp/sparc/leon3/leon_greth/leon_greth.c
>> index 5641575..4c4c0b1 100644
>> --- a/c/src/lib/libbsp/sparc/leon3/leon_greth/leon_greth.c
>> +++ b/c/src/lib/libbsp/sparc/leon3/leon_greth/leon_greth.c
>> @@ -31,17 +31,19 @@ int rtems_leon_greth_driver_attach(
>>    int attach
>>   )
>>   {
>> -  int device_found = 0;
>>    unsigned int base_addr = 0; /* avoid warnings */
>>    unsigned int eth_irq = 0;   /* avoid warnings */
>> -       amba_apb_device apbgreth;
>> +  struct ambapp_dev *adev;
>> +  struct ambapp_apb_info *apb;
>>
>>    /* Scan for MAC AHB slave interface */
>> -       device_found = amba_find_apbslv(&amba_conf,VENDOR_GAISLER,GAISLER_ETHMAC,&apbgreth);
>> -  if (device_found == 1)
>> -  {
>> -               base_addr = apbgreth.start;
>> -               eth_irq = apbgreth.irq;
>> +  adev = (void *)ambapp_for_each(&ambapp_plb, (OPTIONS_ALL|OPTIONS_APB_SLVS),
>> +                                 VENDOR_GAISLER, GAISLER_ETHMAC,
>> +                                 ambapp_find_by_idx, NULL);
>> +  if (adev) {
>> +    apb = DEV_TO_APB(adev);
>> +    base_addr = apb->start;
>> +    eth_irq = apb->irq;
>>
>>      /* clear control register and reset NIC */
>>      *(volatile int *) base_addr = 0;
>> diff --git a/c/src/lib/libbsp/sparc/leon3/leon_open_eth/leon_open_eth.c b/c/src/lib/libbsp/sparc/leon3/leon_open_eth/leon_open_eth.c
>> index 5799f83..a6bb848 100644
>> --- a/c/src/lib/libbsp/sparc/leon3/leon_open_eth/leon_open_eth.c
>> +++ b/c/src/lib/libbsp/sparc/leon3/leon_open_eth/leon_open_eth.c
>> @@ -31,31 +31,27 @@ int rtems_leon_open_eth_driver_attach(
>>    int attach
>>   )
>>   {
>> -  int device_found = 0;
>> -  int i;
>> -  unsigned int conf, iobar;
>>    unsigned int base_addr = 0; /* avoid warnings */
>>    unsigned int eth_irq = 0;   /* avoid warnings */
>> -
>> +  struct ambapp_dev *adev;
>> +  struct ambapp_ahb_info *ahb;
>>
>>    /* Scan for MAC AHB slave interface */
>> -  for (i = 0; i<  amba_conf.ahbslv.devnr; i++)
>> -  {
>> -    conf = amba_get_confword(amba_conf.ahbslv, i, 0);
>> -    if (((amba_vendor(conf) == VENDOR_OPENCORES)&&  (amba_device(conf) == OPENCORES_ETHMAC)) ||
>> -        ((amba_vendor(conf) == VENDOR_GAISLER)&&  (amba_device(conf) == GAISLER_ETHAHB)))
>> -    {
>> -      iobar = amba_ahb_get_membar(amba_conf.ahbslv, i, 0);
>> -      base_addr = amba_iobar_start(LEON3_IO_AREA, iobar);
>> -      eth_irq = amba_irq(conf);
>> -      device_found = 1;
>> -      break;
>> -    }
>> +  adev = (void *)ambapp_for_each(&ambapp_plb, (OPTIONS_ALL|OPTIONS_AHB_SLVS),
>> +                                 VENDOR_OPENCORES, OPENCORES_ETHMAC,
>> +                                 ambapp_find_by_idx, NULL);
>> +  if (!adev) {
>> +    adev = (void *)ambapp_for_each(&ambapp_plb, (OPTIONS_ALL|OPTIONS_AHB_SLVS),
>> +                                   VENDOR_GAISLER, GAISLER_ETHAHB,
>> +                                   ambapp_find_by_idx, NULL);
>>    }
>>
>> -
>> -  if (device_found)
>> +  if (adev)
>>    {
>> +    ahb = DEV_TO_AHB(adev);
>> +    base_addr = ahb->start[0];
>> +    eth_irq = ahb->irq;
>> +
>>      /* clear control register and reset NIC */
>>      *(volatile int *) base_addr = 0;
>>      *(volatile int *) base_addr = 0x800;
>> @@ -65,7 +61,8 @@ int rtems_leon_open_eth_driver_attach(
>>      leon_open_eth_configuration.txd_count = TDA_COUNT;
>>      leon_open_eth_configuration.rxd_count = RDA_COUNT;
>>      /* enable 100 MHz operation only if cpu frequency>= 50 MHz */
>> -    if (LEON3_Timer_Regs->scaler_reload>= 49) leon_open_eth_configuration.en100MHz = 1;
>> +    if (LEON3_Timer_Regs->scaler_reload>= 49)
>> +      leon_open_eth_configuration.en100MHz = 1;
>>      if (rtems_open_eth_driver_attach( config,&leon_open_eth_configuration )) {
>>        LEON_Clear_interrupt(eth_irq);
>>        LEON_Unmask_interrupt(eth_irq);
>> diff --git a/c/src/lib/libbsp/sparc/leon3/leon_smc91111/leon_smc91111.c b/c/src/lib/libbsp/sparc/leon3/leon_smc91111/leon_smc91111.c
>> index 841c4b6..83f751d 100644
>> --- a/c/src/lib/libbsp/sparc/leon3/leon_smc91111/leon_smc91111.c
>> +++ b/c/src/lib/libbsp/sparc/leon3/leon_smc91111/leon_smc91111.c
>> @@ -5,7 +5,7 @@
>>   #include<bsp.h>
>>   #include<libchip/smc91111exp.h>
>>   #include<rtems/bspIo.h>
>> -
>> +#include<ambapp.h>
>>
>>   #define SMC91111_BASE_ADDR (void*)0x20000300
>>   #define SMC91111_BASE_IRQ  4
>> @@ -32,21 +32,24 @@ rtems_smc91111_driver_attach_leon3 (struct rtems_bsdnet_ifconfig *config,
>>   {
>>    unsigned long addr_mctrl = 0;
>>    LEON3_IOPORT_Regs_Map *io;
>> +  struct ambapp_apb_info apbpio;
>> +  struct ambapp_apb_info apbmctrl;
>>
>> -  amba_apb_device apbpio;
>> -  amba_ahb_device apbmctrl;
>> -
>> -  if ( amba_find_apbslv(&amba_conf,VENDOR_GAISLER,GAISLER_PIOPORT,&apbpio) != 1 ){
>> +  if (ambapp_find_apbslv(&ambapp_plb,VENDOR_GAISLER,GAISLER_GPIO,&apbpio) != 1) {
>>      printk("SMC9111_leon3: didn't find PIO\n");
>>      return 0;
>>    }
>>
>>    /* Find LEON2 memory controller */
>> -  if ( amba_find_ahbslv(&amba_conf,VENDOR_ESA,ESA_MCTRL,&apbmctrl) != 1 ){
>> +  if (ambapp_find_apbslv(&ambapp_plb,VENDOR_ESA,ESA_MCTRL,&apbmctrl) != 1) {
>>      /* LEON2 memory controller not found, search for fault tolerant memory controller */
>> -    if ( amba_find_ahbslv(&amba_conf,VENDOR_GAISLER,GAISLER_FTMCTRL,&apbmctrl) != 1 ) {
>> -      printk("SMC9111_leon3: didn't find any memory controller\n");
>> -      return 0;
>> +    if (ambapp_find_apbslv(&ambapp_plb,VENDOR_GAISLER,GAISLER_FTMCTRL,&apbmctrl) != 1) {
>> +      if (ambapp_find_apbslv(&ambapp_plb,VENDOR_GAISLER,GAISLER_FTSRCTRL,&apbmctrl) != 1) {
>> +        if (ambapp_find_apbslv(&ambapp_plb,VENDOR_GAISLER,GAISLER_FTSRCTRL8,&apbmctrl) != 1) {
>> +          printk("SMC9111_leon3: didn't find any memory controller\n");
>> +          return 0;
>> +        }
>> +      }
>>      }
>>    }
>>
>> @@ -68,6 +71,5 @@ rtems_smc91111_driver_attach_leon3 (struct rtems_bsdnet_ifconfig *config,
>>    /* Setup memory controller I/O waitstates */
>>    *((volatile unsigned int *) addr_mctrl) |= 0x10f80000;       /* enable I/O area access */
>>
>> -    return _rtems_smc91111_driver_attach (config,
>> -&leon_scmv91111_configuration);
>> +  return _rtems_smc91111_driver_attach (config,&leon_scmv91111_configuration);
>>   };
>> --
>> 1.7.0.4
>>
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