static void cvm_oct_configure_common_hw(void)
{
/* Setup the FPA */
cvmx_fpa_enable();
cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL, CVMX_FPA_PACKET_POOL_SIZE,
num_packet_buffers);
cvm_oct_mem_fill_fpa(CVMX_FPA_WQE_POOL, CVMX_FPA_WQE_POOL_SIZE,
num_packet_buffers);
if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL)
cvm_oct_mem_fill_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL,
CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 1024);
#ifdef __LITTLE_ENDIAN
{
union cvmx_ipd_ctl_status ipd_ctl_status;
ipd_ctl_status.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS);
ipd_ctl_status.s.pkt_lend = 1;
ipd_ctl_status.s.wqe_lend = 1;
cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_ctl_status.u64);
}
#endif
cvmx_helper_setup_red(num_packet_buffers / 4, num_packet_buffers / 8);
}
/**
* @INTERNAL
* Allocate memory and initialize the FPA pools using memory
* from cvmx-bootmem. Specifying zero for the number of
* buffers will cause that FPA pool to not be setup. This is
* useful if you aren't using some of the hardware and want
* to save memory. Use cvmx_helper_initialize_fpa instead of
* this function directly.
*
* @param pip_pool Should always be CVMX_FPA_PACKET_POOL
* @param pip_size Should always be CVMX_FPA_PACKET_POOL_SIZE
* @param pip_buffers
* Number of packet buffers.
* @param wqe_pool Should always be CVMX_FPA_WQE_POOL
* @param wqe_size Should always be CVMX_FPA_WQE_POOL_SIZE
* @param wqe_entries
* Number of work queue entries
* @param pko_pool Should always be CVMX_FPA_OUTPUT_BUFFER_POOL
* @param pko_size Should always be CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE
* @param pko_buffers
* PKO Command buffers. You should at minimum have two per
* each PKO queue.
* @param tim_pool Should always be CVMX_FPA_TIMER_POOL
* @param tim_size Should always be CVMX_FPA_TIMER_POOL_SIZE
* @param tim_buffers
* TIM ring buffer command queues. At least two per timer bucket
* is recommended.
* @param dfa_pool Should always be CVMX_FPA_DFA_POOL
* @param dfa_size Should always be CVMX_FPA_DFA_POOL_SIZE
* @param dfa_buffers
* DFA command buffer. A relatively small (32 for example)
* number should work.
* @return Zero on success, non-zero if out of memory
*/
static int
__cvmx_helper_initialize_fpa(int pip_pool, int pip_size, int pip_buffers,
int wqe_pool, int wqe_size, int wqe_entries,
int pko_pool, int pko_size, int pko_buffers,
int tim_pool, int tim_size, int tim_buffers,
int dfa_pool, int dfa_size, int dfa_buffers)
{
int status;
#define __init_fpa_pool(pool, size, buffers, str) \
if (pool >= 0) { \
status = __cvmx_helper_initialize_fpa_pool(pool, size, buffers,\
str); \
if (status) \
return status; \
}
cvmx_fpa_enable();
if ((pip_buffers > 0) && (pip_buffers <= 64))
cvmx_dprintf("Warning: %d packet buffers may not be enough for"
"hardware prefetch. 65 or more is recommended.\n",
pip_buffers);
__init_fpa_pool(pip_pool, pip_size, pip_buffers, "Packet Buffers");
__init_fpa_pool(wqe_pool, wqe_size, wqe_entries, "Work Q Entries");
__init_fpa_pool(pko_pool, pko_size, pko_buffers, "PKO Cmd Buffers");
__init_fpa_pool(tim_pool, tim_size, tim_buffers, "TIM Cmd Buffers");
__init_fpa_pool(dfa_pool, dfa_size, dfa_buffers, "DFA Cmd Buffers");
return 0;
}
/**
* @INTERNAL
* Allocate memory and initialize the FPA pools using memory
* from cvmx-bootmem. Specifying zero for the number of
* buffers will cause that FPA pool to not be setup. This is
* useful if you aren't using some of the hardware and want
* to save memory. Use cvmx_helper_initialize_fpa instead of
* this function directly.
*
* @param pip_pool Should always be CVMX_FPA_PACKET_POOL
* @param pip_size Should always be CVMX_FPA_PACKET_POOL_SIZE
* @param pip_buffers
* Number of packet buffers.
* @param wqe_pool Should always be CVMX_FPA_WQE_POOL
* @param wqe_size Should always be CVMX_FPA_WQE_POOL_SIZE
* @param wqe_entries
* Number of work queue entries
* @param pko_pool Should always be CVMX_FPA_OUTPUT_BUFFER_POOL
* @param pko_size Should always be CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE
* @param pko_buffers
* PKO Command buffers. You should at minimum have two per
* each PKO queue.
* @param tim_pool Should always be CVMX_FPA_TIMER_POOL
* @param tim_size Should always be CVMX_FPA_TIMER_POOL_SIZE
* @param tim_buffers
* TIM ring buffer command queues. At least two per timer bucket
* is recommened.
* @param dfa_pool Should always be CVMX_FPA_DFA_POOL
* @param dfa_size Should always be CVMX_FPA_DFA_POOL_SIZE
* @param dfa_buffers
* DFA command buffer. A relatively small (32 for example)
* number should work.
* @return Zero on success, non-zero if out of memory
*/
static int __cvmx_helper_initialize_fpa(int pip_pool, int pip_size, int pip_buffers,
int wqe_pool, int wqe_size, int wqe_entries,
int pko_pool, int pko_size, int pko_buffers,
int tim_pool, int tim_size, int tim_buffers,
int dfa_pool, int dfa_size, int dfa_buffers)
{
int status;
cvmx_fpa_enable();
if ((pip_buffers > 0) && (pip_buffers <= 64))
cvmx_dprintf("Warning: %d packet buffers may not be enough for hardware"
" prefetch. 65 or more is recommended.\n", pip_buffers);
if (pip_pool >= 0)
{
status = __cvmx_helper_initialize_fpa_pool(pip_pool, pip_size, pip_buffers,
"Packet Buffers");
if (status)
return status;
}
if (wqe_pool >= 0)
{
status = __cvmx_helper_initialize_fpa_pool(wqe_pool, wqe_size, wqe_entries,
"Work Queue Entries");
if (status)
return status;
}
if (pko_pool >= 0)
{
status = __cvmx_helper_initialize_fpa_pool(pko_pool, pko_size, pko_buffers,
"PKO Command Buffers");
if (status)
return status;
}
if (tim_pool >= 0)
{
status = __cvmx_helper_initialize_fpa_pool(tim_pool, tim_size, tim_buffers,
"TIM Command Buffers");
if (status)
return status;
}
if (dfa_pool >= 0)
{
status = __cvmx_helper_initialize_fpa_pool(dfa_pool, dfa_size, dfa_buffers,
"DFA Command Buffers");
if (status)
return status;
}
return 0;
}
static __init void cvm_oct_configure_common_hw(void)
{
/* Setup the FPA */
cvmx_fpa_enable();
cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL, CVMX_FPA_PACKET_POOL_SIZE,
num_packet_buffers);
cvm_oct_mem_fill_fpa(CVMX_FPA_WQE_POOL, CVMX_FPA_WQE_POOL_SIZE,
num_packet_buffers);
if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL)
cvm_oct_mem_fill_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL,
CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 128);
if (USE_RED)
cvmx_helper_setup_red(num_packet_buffers / 4,
num_packet_buffers / 8);
}
/**
* Configure common hardware for all interfaces
*/
static void cvm_oct_configure_common_hw(device_t bus)
{
struct octebus_softc *sc;
int pko_queues;
int error;
int rid;
sc = device_get_softc(bus);
/* Setup the FPA */
cvmx_fpa_enable();
cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL, CVMX_FPA_PACKET_POOL_SIZE,
num_packet_buffers);
cvm_oct_mem_fill_fpa(CVMX_FPA_WQE_POOL, CVMX_FPA_WQE_POOL_SIZE,
num_packet_buffers);
if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL) {
/*
* If the FPA uses different pools for output buffers and
* packets, size the output buffer pool based on the number
* of PKO queues.
*/
if (OCTEON_IS_MODEL(OCTEON_CN38XX))
pko_queues = 128;
else if (OCTEON_IS_MODEL(OCTEON_CN3XXX))
pko_queues = 32;
else if (OCTEON_IS_MODEL(OCTEON_CN50XX))
pko_queues = 32;
else
pko_queues = 256;
cvm_oct_num_output_buffers = 4 * pko_queues;
cvm_oct_mem_fill_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL,
CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE,
cvm_oct_num_output_buffers);
}
if (USE_RED)
cvmx_helper_setup_red(num_packet_buffers/4,
num_packet_buffers/8);
/* Enable the MII interface */
if (cvmx_sysinfo_get()->board_type != CVMX_BOARD_TYPE_SIM)
cvmx_write_csr(CVMX_SMI_EN, 1);
/* Register an IRQ hander for to receive POW interrupts */
rid = 0;
sc->sc_rx_irq = bus_alloc_resource(bus, SYS_RES_IRQ, &rid,
OCTEON_IRQ_WORKQ0 + pow_receive_group,
OCTEON_IRQ_WORKQ0 + pow_receive_group,
1, RF_ACTIVE);
if (sc->sc_rx_irq == NULL) {
device_printf(bus, "could not allocate workq irq");
return;
}
error = bus_setup_intr(bus, sc->sc_rx_irq, INTR_TYPE_NET | INTR_MPSAFE,
cvm_oct_do_interrupt, NULL, cvm_oct_device,
&sc->sc_rx_intr_cookie);
if (error != 0) {
device_printf(bus, "could not setup workq irq");
return;
}
#ifdef SMP
{
cvmx_ciu_intx0_t en;
int core;
CPU_FOREACH(core) {
if (core == PCPU_GET(cpuid))
continue;
en.u64 = cvmx_read_csr(CVMX_CIU_INTX_EN0(core*2));
en.s.workq |= (1<<pow_receive_group);
cvmx_write_csr(CVMX_CIU_INTX_EN0(core*2), en.u64);
}
}
#endif
}
