/* Version of octeon_model_get_string() that takes buffer as argument, as
** running early in u-boot static/global variables don't work when running from
** flash
*/
const char *octeon_model_get_string_buffer(uint32_t chip_id, char * buffer)
{
const char * family;
const char * core_model;
char pass[4];
#ifndef CVMX_BUILD_FOR_UBOOT
int clock_mhz;
#endif
const char * suffix;
cvmx_l2d_fus3_t fus3;
int num_cores;
cvmx_mio_fus_dat2_t fus_dat2;
cvmx_mio_fus_dat3_t fus_dat3;
char fuse_model[10];
uint32_t fuse_data = 0;
fus3.u64 = 0;
if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX))
fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3);
fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3);
num_cores = cvmx_pop(cvmx_read_csr(CVMX_CIU_FUSE));
/* Make sure the non existent devices look disabled */
switch ((chip_id >> 8) & 0xff)
{
case 6: /* CN50XX */
case 2: /* CN30XX */
fus_dat3.s.nodfa_dte = 1;
fus_dat3.s.nozip = 1;
break;
case 4: /* CN57XX or CN56XX */
fus_dat3.s.nodfa_dte = 1;
break;
default:
break;
}
/* Make a guess at the suffix */
/* NSP = everything */
/* EXP = No crypto */
/* SCP = No DFA, No zip */
/* CP = No DFA, No crypto, No zip */
if (fus_dat3.s.nodfa_dte)
{
if (fus_dat2.s.nocrypto)
suffix = "CP";
else
suffix = "SCP";
}
else if (fus_dat2.s.nocrypto)
suffix = "EXP";
else
suffix = "NSP";
/* Assume pass number is encoded using <5:3><2:0>. Exceptions will be
fixed later */
sprintf(pass, "%d.%d", (int)((chip_id>>3)&7)+1, (int)chip_id&7);
/* Use the number of cores to determine the last 2 digits of the model
number. There are some exceptions that are fixed later */
switch (num_cores)
{
case 32:
core_model = "80";
break;
case 24:
core_model = "70";
break;
case 16:
core_model = "60";
break;
case 15:
core_model = "58";
break;
case 14:
core_model = "55";
break;
case 13:
core_model = "52";
break;
case 12:
core_model = "50";
break;
case 11:
core_model = "48";
break;
case 10:
core_model = "45";
break;
case 9:
core_model = "42";
break;
case 8:
core_model = "40";
break;
case 7:
core_model = "38";
break;
case 6:
core_model = "34";
break;
case 5:
core_model = "32";
break;
case 4:
core_model = "30";
break;
case 3:
core_model = "25";
break;
case 2:
core_model = "20";
break;
case 1:
core_model = "10";
break;
default:
core_model = "XX";
break;
}
/* Now figure out the family, the first two digits */
switch ((chip_id >> 8) & 0xff)
{
case 0: /* CN38XX, CN37XX or CN36XX */
if (fus3.cn38xx.crip_512k)
{
/* For some unknown reason, the 16 core one is called 37 instead of 36 */
if (num_cores >= 16)
family = "37";
else
family = "36";
}
else
family = "38";
/* This series of chips didn't follow the standard pass numbering */
switch (chip_id & 0xf)
{
case 0:
strcpy(pass, "1.X");
break;
case 1:
strcpy(pass, "2.X");
break;
case 3:
strcpy(pass, "3.X");
break;
default:
strcpy(pass, "X.X");
break;
}
break;
case 1: /* CN31XX or CN3020 */
if ((chip_id & 0x10) || fus3.cn31xx.crip_128k)
family = "30";
else
family = "31";
/* This series of chips didn't follow the standard pass numbering */
switch (chip_id & 0xf)
{
case 0:
strcpy(pass, "1.0");
break;
case 2:
strcpy(pass, "1.1");
break;
default:
strcpy(pass, "X.X");
break;
}
break;
case 2: /* CN3010 or CN3005 */
family = "30";
/* A chip with half cache is an 05 */
if (fus3.cn30xx.crip_64k)
core_model = "05";
/* This series of chips didn't follow the standard pass numbering */
switch (chip_id & 0xf)
{
case 0:
strcpy(pass, "1.0");
break;
case 2:
strcpy(pass, "1.1");
break;
default:
strcpy(pass, "X.X");
break;
}
break;
case 3: /* CN58XX */
family = "58";
/* Special case. 4 core, half cache (CP with half cache) */
if ((num_cores == 4) && fus3.cn58xx.crip_1024k && !strncmp(suffix, "CP", 2))
core_model = "29";
/* Pass 1 uses different encodings for pass numbers */
if ((chip_id & 0xFF)< 0x8)
{
switch (chip_id & 0x3)
{
case 0:
strcpy(pass, "1.0");
break;
case 1:
strcpy(pass, "1.1");
break;
case 3:
strcpy(pass, "1.2");
break;
default:
strcpy(pass, "1.X");
break;
}
}
break;
case 4: /* CN57XX, CN56XX, CN55XX, CN54XX */
if (fus_dat2.cn56xx.raid_en)
{
if (fus3.cn56xx.crip_1024k)
family = "55";
else
family = "57";
if (fus_dat2.cn56xx.nocrypto)
suffix = "SP";
else
suffix = "SSP";
}
else
{
if (fus_dat2.cn56xx.nocrypto)
suffix = "CP";
else
{
suffix = "NSP";
if (fus_dat3.s.nozip)
suffix = "SCP";
if (fus_dat3.s.bar2_en)
suffix = "NSPB2";
}
if (fus3.cn56xx.crip_1024k)
family = "54";
else
family = "56";
}
break;
case 6: /* CN50XX */
family = "50";
break;
case 7: /* CN52XX */
if (fus3.cn52xx.crip_256k)
family = "51";
else
family = "52";
break;
case 0x93: /* CN61XX */
family = "61";
if (fus_dat3.cn61xx.nozip)
suffix = "SCP";
else
suffix = "AAP";
break;
case 0x90: /* CN63XX */
family = "63";
if (fus_dat3.s.l2c_crip == 2)
family = "62";
if (num_cores == 6) /* Other core counts match generic */
core_model = "35";
if (fus_dat2.cn63xx.nocrypto)
suffix = "CP";
else if (fus_dat2.cn63xx.dorm_crypto)
suffix = "DAP";
else if (fus_dat3.cn63xx.nozip)
suffix = "SCP";
else
suffix = "AAP";
break;
case 0x92: /* CN66XX */
family = "66";
if (num_cores == 6) /* Other core counts match generic */
core_model = "35";
if (fus_dat2.cn66xx.nocrypto && fus_dat2.cn66xx.dorm_crypto)
suffix = "AP";
if (fus_dat2.cn66xx.nocrypto)
suffix = "CP";
else if (fus_dat2.cn66xx.dorm_crypto)
suffix = "DAP";
else if (fus_dat3.cn66xx.nozip && fus_dat2.cn66xx.raid_en)
suffix = "SCP";
else if (!fus_dat2.cn66xx.raid_en)
suffix = "HAP";
else
suffix = "AAP";
break;
case 0x91: /* CN68XX */
family = "68";
if (fus_dat2.cn68xx.nocrypto && fus_dat3.cn68xx.nozip)
suffix = "CP";
else if (fus_dat2.cn68xx.dorm_crypto)
suffix = "DAP";
else if (fus_dat3.cn68xx.nozip)
suffix = "SCP";
else if (fus_dat2.cn68xx.nocrypto)
suffix = "SP";
else if (!fus_dat2.cn68xx.raid_en)
suffix = "HAP";
else
suffix = "AAP";
break;
case 0x94: /* CNF71XX */
family = "F71";
if (fus_dat3.cnf71xx.nozip)
suffix = "SCP";
else
suffix = "AAP";
break;
default:
family = "XX";
core_model = "XX";
strcpy(pass, "X.X");
suffix = "XXX";
break;
}
#ifndef CVMX_BUILD_FOR_UBOOT
clock_mhz = cvmx_clock_get_rate(CVMX_CLOCK_RCLK) / 1000000;
#endif
if (family[0] != '3')
{
int fuse_base = 384/8;
if (family[0] == '6')
fuse_base = 832/8;
/* Check for model in fuses, overrides normal decode */
/* This is _not_ valid for Octeon CN3XXX models */
fuse_data |= cvmx_fuse_read_byte(fuse_base + 3);
fuse_data = fuse_data << 8;
fuse_data |= cvmx_fuse_read_byte(fuse_base + 2);
fuse_data = fuse_data << 8;
fuse_data |= cvmx_fuse_read_byte(fuse_base + 1);
fuse_data = fuse_data << 8;
fuse_data |= cvmx_fuse_read_byte(fuse_base);
if (fuse_data & 0x7ffff)
{
int model = fuse_data & 0x3fff;
int suffix = (fuse_data >> 14) & 0x1f;
if (suffix && model) /* Have both number and suffix in fuses, so both */
{
sprintf(fuse_model, "%d%c",model, 'A' + suffix - 1);
core_model = "";
family = fuse_model;
}
else if (suffix && !model) /* Only have suffix, so add suffix to 'normal' model number */
{
sprintf(fuse_model, "%s%c", core_model, 'A' + suffix - 1);
core_model = fuse_model;
}
else /* Don't have suffix, so just use model from fuses */
{
sprintf(fuse_model, "%d",model);
core_model = "";
family = fuse_model;
}
}
/**
* Initialize a USB port for use. This must be called before any
* other access to the Octeon USB port is made. The port starts
* off in the disabled state.
*
* @param usb Pointer to an empty cvmx_usbd_state_t structure
* that will be populated by the initialize call.
* This structure is then passed to all other USB
* functions.
* @param usb_port_number
* Which Octeon USB port to initialize.
* @param flags Flags to control hardware initialization. See
* cvmx_usbd_initialize_flags_t for the flag
* definitions. Some flags are mandatory.
*
* @return Zero or a negative on error.
*/
int cvmx_usbd_initialize(cvmx_usbd_state_t *usb,
int usb_port_number,
cvmx_usbd_initialize_flags_t flags)
{
cvmx_usbnx_clk_ctl_t usbn_clk_ctl;
cvmx_usbnx_usbp_ctl_status_t usbn_usbp_ctl_status;
if (cvmx_unlikely(flags & CVMX_USBD_INITIALIZE_FLAGS_DEBUG))
cvmx_dprintf("%s: Called\n", __FUNCTION__);
memset(usb, 0, sizeof(usb));
usb->init_flags = flags;
usb->index = usb_port_number;
/* Try to determine clock type automatically */
if ((usb->init_flags & (CVMX_USBD_INITIALIZE_FLAGS_CLOCK_XO_XI |
CVMX_USBD_INITIALIZE_FLAGS_CLOCK_XO_GND)) == 0)
{
if (__cvmx_helper_board_usb_get_clock_type() == USB_CLOCK_TYPE_CRYSTAL_12)
usb->init_flags |= CVMX_USBD_INITIALIZE_FLAGS_CLOCK_XO_XI; /* Only 12 MHZ crystals are supported */
else
usb->init_flags |= CVMX_USBD_INITIALIZE_FLAGS_CLOCK_XO_GND;
}
if (usb->init_flags & CVMX_USBD_INITIALIZE_FLAGS_CLOCK_XO_GND)
{
/* Check for auto ref clock frequency */
if (!(usb->init_flags & CVMX_USBD_INITIALIZE_FLAGS_CLOCK_MHZ_MASK))
switch (__cvmx_helper_board_usb_get_clock_type())
{
case USB_CLOCK_TYPE_REF_12:
usb->init_flags |= CVMX_USBD_INITIALIZE_FLAGS_CLOCK_12MHZ;
break;
case USB_CLOCK_TYPE_REF_24:
usb->init_flags |= CVMX_USBD_INITIALIZE_FLAGS_CLOCK_24MHZ;
break;
case USB_CLOCK_TYPE_REF_48:
default:
usb->init_flags |= CVMX_USBD_INITIALIZE_FLAGS_CLOCK_48MHZ;
break;
}
}
/* Power On Reset and PHY Initialization */
/* 1. Wait for DCOK to assert (nothing to do) */
/* 2a. Write USBN0/1_CLK_CTL[POR] = 1 and
USBN0/1_CLK_CTL[HRST,PRST,HCLK_RST] = 0 */
usbn_clk_ctl.u64 = cvmx_read_csr(CVMX_USBNX_CLK_CTL(usb->index));
usbn_clk_ctl.s.por = 1;
usbn_clk_ctl.s.hrst = 0;
usbn_clk_ctl.s.prst = 0;
usbn_clk_ctl.s.hclk_rst = 0;
usbn_clk_ctl.s.enable = 0;
/* 2b. Select the USB reference clock/crystal parameters by writing
appropriate values to USBN0/1_CLK_CTL[P_C_SEL, P_RTYPE, P_COM_ON] */
if (usb->init_flags & CVMX_USBD_INITIALIZE_FLAGS_CLOCK_XO_GND)
{
/* The USB port uses 12/24/48MHz 2.5V board clock
source at USB_XO. USB_XI should be tied to GND.
Most Octeon evaluation boards require this setting */
if (OCTEON_IS_MODEL(OCTEON_CN3XXX))
{
usbn_clk_ctl.cn31xx.p_rclk = 1; /* From CN31XX,CN30XX manual */
usbn_clk_ctl.cn31xx.p_xenbn = 0;
}
else if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN50XX))
usbn_clk_ctl.cn56xx.p_rtype = 2; /* From CN56XX,CN50XX manual */
else
usbn_clk_ctl.cn52xx.p_rtype = 1; /* From CN52XX manual */
switch (usb->init_flags & CVMX_USBD_INITIALIZE_FLAGS_CLOCK_MHZ_MASK)
{
case CVMX_USBD_INITIALIZE_FLAGS_CLOCK_12MHZ:
usbn_clk_ctl.s.p_c_sel = 0;
break;
case CVMX_USBD_INITIALIZE_FLAGS_CLOCK_24MHZ:
usbn_clk_ctl.s.p_c_sel = 1;
break;
case CVMX_USBD_INITIALIZE_FLAGS_CLOCK_48MHZ:
usbn_clk_ctl.s.p_c_sel = 2;
break;
}
}
else
{
/* The USB port uses a 12MHz crystal as clock source
at USB_XO and USB_XI */
if (OCTEON_IS_MODEL(OCTEON_CN3XXX))
{
usbn_clk_ctl.cn31xx.p_rclk = 1; /* From CN31XX,CN30XX manual */
usbn_clk_ctl.cn31xx.p_xenbn = 1;
}
else if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN50XX))
usbn_clk_ctl.cn56xx.p_rtype = 0; /* From CN56XX,CN50XX manual */
else
usbn_clk_ctl.cn52xx.p_rtype = 0; /* From CN52XX manual */
usbn_clk_ctl.s.p_c_sel = 0;
}
/* 2c. Select the HCLK via writing USBN0/1_CLK_CTL[DIVIDE, DIVIDE2] and
setting USBN0/1_CLK_CTL[ENABLE] = 1. Divide the core clock down such
that USB is as close as possible to 125Mhz */
{
int divisor = (cvmx_clock_get_rate(CVMX_CLOCK_CORE)+125000000-1)/125000000;
if (divisor < 4) /* Lower than 4 doesn't seem to work properly */
divisor = 4;
usbn_clk_ctl.s.divide = divisor;
usbn_clk_ctl.s.divide2 = 0;
}
cvmx_write_csr(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64);
/* 2d. Write USBN0/1_CLK_CTL[HCLK_RST] = 1 */
usbn_clk_ctl.s.hclk_rst = 1;
cvmx_write_csr(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64);
/* 2e. Wait 64 core-clock cycles for HCLK to stabilize */
cvmx_wait(64);
/* 3. Program the power-on reset field in the USBN clock-control register:
USBN_CLK_CTL[POR] = 0 */
usbn_clk_ctl.s.por = 0;
cvmx_write_csr(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64);
/* 4. Wait 1 ms for PHY clock to start */
cvmx_wait_usec(1000);
/* 5. Program the Reset input from automatic test equipment field in the
USBP control and status register: USBN_USBP_CTL_STATUS[ATE_RESET] = 1 */
usbn_usbp_ctl_status.u64 = cvmx_read_csr(CVMX_USBNX_USBP_CTL_STATUS(usb->index));
usbn_usbp_ctl_status.s.ate_reset = 1;
cvmx_write_csr(CVMX_USBNX_USBP_CTL_STATUS(usb->index), usbn_usbp_ctl_status.u64);
/* 6. Wait 10 cycles */
cvmx_wait(10);
/* 7. Clear ATE_RESET field in the USBN clock-control register:
USBN_USBP_CTL_STATUS[ATE_RESET] = 0 */
usbn_usbp_ctl_status.s.ate_reset = 0;
cvmx_write_csr(CVMX_USBNX_USBP_CTL_STATUS(usb->index), usbn_usbp_ctl_status.u64);
/* 8. Program the PHY reset field in the USBN clock-control register:
USBN_CLK_CTL[PRST] = 1 */
usbn_clk_ctl.s.prst = 1;
cvmx_write_csr(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64);
/* 9. Program the USBP control and status register to select host or
device mode. USBN_USBP_CTL_STATUS[HST_MODE] = 0 for host, = 1 for
device */
usbn_usbp_ctl_status.s.hst_mode = 1;
usbn_usbp_ctl_status.s.dm_pulld = 0;
usbn_usbp_ctl_status.s.dp_pulld = 0;
cvmx_write_csr(CVMX_USBNX_USBP_CTL_STATUS(usb->index), usbn_usbp_ctl_status.u64);
/* 10. Wait 1 µs */
cvmx_wait_usec(1);
/* 11. Program the hreset_n field in the USBN clock-control register:
USBN_CLK_CTL[HRST] = 1 */
usbn_clk_ctl.s.hrst = 1;
cvmx_write_csr(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64);
/* 12. Proceed to USB core initialization */
usbn_clk_ctl.s.enable = 1;
cvmx_write_csr(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64);
cvmx_wait_usec(1);
/* Program the following fields in the global AHB configuration
register (USBC_GAHBCFG)
DMA mode, USBC_GAHBCFG[DMAEn]: 1 = DMA mode, 0 = slave mode
Burst length, USBC_GAHBCFG[HBSTLEN] = 0
Nonperiodic TxFIFO empty level (slave mode only),
USBC_GAHBCFG[NPTXFEMPLVL]
Periodic TxFIFO empty level (slave mode only),
USBC_GAHBCFG[PTXFEMPLVL]
Global interrupt mask, USBC_GAHBCFG[GLBLINTRMSK] = 1 */
{
cvmx_usbcx_gahbcfg_t usbcx_gahbcfg;
usbcx_gahbcfg.u32 = 0;
usbcx_gahbcfg.s.dmaen = 1;
usbcx_gahbcfg.s.hbstlen = 0;
usbcx_gahbcfg.s.nptxfemplvl = 1;
usbcx_gahbcfg.s.ptxfemplvl = 1;
usbcx_gahbcfg.s.glblintrmsk = 1;
__cvmx_usbd_write_csr32(usb, CVMX_USBCX_GAHBCFG(usb->index), usbcx_gahbcfg.u32);
}
/* Program the following fields in USBC_GUSBCFG register.
HS/FS timeout calibration, USBC_GUSBCFG[TOUTCAL] = 0
ULPI DDR select, USBC_GUSBCFG[DDRSEL] = 0
USB turnaround time, USBC_GUSBCFG[USBTRDTIM] = 0x5
PHY low-power clock select, USBC_GUSBCFG[PHYLPWRCLKSEL] = 0 */
{
cvmx_usbcx_gusbcfg_t usbcx_gusbcfg;
usbcx_gusbcfg.u32 = __cvmx_usbd_read_csr32(usb, CVMX_USBCX_GUSBCFG(usb->index));
usbcx_gusbcfg.s.toutcal = 0;
usbcx_gusbcfg.s.ddrsel = 0;
usbcx_gusbcfg.s.usbtrdtim = 0x5;
usbcx_gusbcfg.s.phylpwrclksel = 0;
__cvmx_usbd_write_csr32(usb, CVMX_USBCX_GUSBCFG(usb->index), usbcx_gusbcfg.u32);
}
/* Program the following fields in the USBC0/1_DCFG register:
Device speed, USBC0/1_DCFG[DEVSPD] = 0 (high speed)
Non-zero-length status OUT handshake, USBC0/1_DCFG[NZSTSOUTHSHK]=0
Periodic frame interval (if periodic endpoints are supported),
USBC0/1_DCFG[PERFRINT] = 1 */
{
cvmx_usbcx_dcfg_t usbcx_dcfg;
usbcx_dcfg.u32 = __cvmx_usbd_read_csr32(usb, CVMX_USBCX_DCFG(usb->index));
usbcx_dcfg.s.devspd = 0;
usbcx_dcfg.s.nzstsouthshk = 0;
usbcx_dcfg.s.perfrint = 1;
__cvmx_usbd_write_csr32(usb, CVMX_USBCX_DCFG(usb->index), usbcx_dcfg.u32);
}
/* Program the USBC0/1_GINTMSK register */
{
cvmx_usbcx_gintmsk_t usbcx_gintmsk;
usbcx_gintmsk.u32 = __cvmx_usbd_read_csr32(usb, CVMX_USBCX_GINTMSK(usb->index));
usbcx_gintmsk.s.oepintmsk = 1;
usbcx_gintmsk.s.inepintmsk = 1;
usbcx_gintmsk.s.enumdonemsk = 1;
usbcx_gintmsk.s.usbrstmsk = 1;
usbcx_gintmsk.s.usbsuspmsk = 1;
__cvmx_usbd_write_csr32(usb, CVMX_USBCX_GINTMSK(usb->index), usbcx_gintmsk.u32);
}
cvmx_usbd_disable(usb);
return 0;
}
/**
* Module/ driver initialization. Creates the linux network
* devices.
*
* @return Zero on success
*/
int cvm_oct_init_module(device_t bus)
{
device_t dev;
int ifnum;
int num_interfaces;
int interface;
int fau = FAU_NUM_PACKET_BUFFERS_TO_FREE;
int qos;
cvm_oct_rx_initialize();
cvm_oct_configure_common_hw(bus);
cvmx_helper_initialize_packet_io_global();
/* Change the input group for all ports before input is enabled */
num_interfaces = cvmx_helper_get_number_of_interfaces();
for (interface = 0; interface < num_interfaces; interface++) {
int num_ports = cvmx_helper_ports_on_interface(interface);
int port;
for (port = 0; port < num_ports; port++) {
cvmx_pip_prt_tagx_t pip_prt_tagx;
int pkind = cvmx_helper_get_ipd_port(interface, port);
pip_prt_tagx.u64 = cvmx_read_csr(CVMX_PIP_PRT_TAGX(pkind));
pip_prt_tagx.s.grp = pow_receive_group;
cvmx_write_csr(CVMX_PIP_PRT_TAGX(pkind), pip_prt_tagx.u64);
}
}
cvmx_helper_ipd_and_packet_input_enable();
memset(cvm_oct_device, 0, sizeof(cvm_oct_device));
cvm_oct_link_taskq = taskqueue_create("octe link", M_NOWAIT,
taskqueue_thread_enqueue, &cvm_oct_link_taskq);
taskqueue_start_threads(&cvm_oct_link_taskq, 1, PI_NET,
"octe link taskq");
/* Initialize the FAU used for counting packet buffers that need to be freed */
cvmx_fau_atomic_write32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
ifnum = 0;
num_interfaces = cvmx_helper_get_number_of_interfaces();
for (interface = 0; interface < num_interfaces; interface++) {
cvmx_helper_interface_mode_t imode = cvmx_helper_interface_get_mode(interface);
int num_ports = cvmx_helper_ports_on_interface(interface);
int port;
for (port = cvmx_helper_get_ipd_port(interface, 0);
port < cvmx_helper_get_ipd_port(interface, num_ports);
ifnum++, port++) {
cvm_oct_private_t *priv;
struct ifnet *ifp;
dev = BUS_ADD_CHILD(bus, 0, "octe", ifnum);
if (dev != NULL)
ifp = if_alloc(IFT_ETHER);
if (dev == NULL || ifp == NULL) {
printf("Failed to allocate ethernet device for interface %d port %d\n", interface, port);
continue;
}
/* Initialize the device private structure. */
device_probe(dev);
priv = device_get_softc(dev);
priv->dev = dev;
priv->ifp = ifp;
priv->imode = imode;
priv->port = port;
priv->queue = cvmx_pko_get_base_queue(priv->port);
priv->fau = fau - cvmx_pko_get_num_queues(port) * 4;
for (qos = 0; qos < cvmx_pko_get_num_queues(port); qos++)
cvmx_fau_atomic_write32(priv->fau+qos*4, 0);
TASK_INIT(&priv->link_task, 0, cvm_oct_update_link, priv);
switch (priv->imode) {
/* These types don't support ports to IPD/PKO */
case CVMX_HELPER_INTERFACE_MODE_DISABLED:
case CVMX_HELPER_INTERFACE_MODE_PCIE:
case CVMX_HELPER_INTERFACE_MODE_PICMG:
break;
case CVMX_HELPER_INTERFACE_MODE_NPI:
priv->init = cvm_oct_common_init;
priv->uninit = cvm_oct_common_uninit;
device_set_desc(dev, "Cavium Octeon NPI Ethernet");
break;
case CVMX_HELPER_INTERFACE_MODE_XAUI:
priv->init = cvm_oct_xaui_init;
priv->uninit = cvm_oct_common_uninit;
device_set_desc(dev, "Cavium Octeon XAUI Ethernet");
break;
case CVMX_HELPER_INTERFACE_MODE_LOOP:
priv->init = cvm_oct_common_init;
priv->uninit = cvm_oct_common_uninit;
device_set_desc(dev, "Cavium Octeon LOOP Ethernet");
break;
case CVMX_HELPER_INTERFACE_MODE_SGMII:
priv->init = cvm_oct_sgmii_init;
priv->uninit = cvm_oct_common_uninit;
device_set_desc(dev, "Cavium Octeon SGMII Ethernet");
break;
case CVMX_HELPER_INTERFACE_MODE_SPI:
priv->init = cvm_oct_spi_init;
priv->uninit = cvm_oct_spi_uninit;
device_set_desc(dev, "Cavium Octeon SPI Ethernet");
break;
case CVMX_HELPER_INTERFACE_MODE_RGMII:
priv->init = cvm_oct_rgmii_init;
priv->uninit = cvm_oct_rgmii_uninit;
device_set_desc(dev, "Cavium Octeon RGMII Ethernet");
break;
case CVMX_HELPER_INTERFACE_MODE_GMII:
priv->init = cvm_oct_rgmii_init;
priv->uninit = cvm_oct_rgmii_uninit;
device_set_desc(dev, "Cavium Octeon GMII Ethernet");
break;
}
ifp->if_softc = priv;
if (!priv->init) {
printf("octe%d: unsupported device type interface %d, port %d\n",
ifnum, interface, priv->port);
if_free(ifp);
} else if (priv->init(ifp) != 0) {
printf("octe%d: failed to register device for interface %d, port %d\n",
ifnum, interface, priv->port);
if_free(ifp);
} else {
cvm_oct_device[priv->port] = ifp;
fau -= cvmx_pko_get_num_queues(priv->port) * sizeof(uint32_t);
}
}
}
if (INTERRUPT_LIMIT) {
/* Set the POW timer rate to give an interrupt at most INTERRUPT_LIMIT times per second */
cvmx_write_csr(CVMX_POW_WQ_INT_PC, cvmx_clock_get_rate(CVMX_CLOCK_CORE)/(INTERRUPT_LIMIT*16*256)<<8);
/* Enable POW timer interrupt. It will count when there are packets available */
cvmx_write_csr(CVMX_POW_WQ_INT_THRX(pow_receive_group), 0x1ful<<24);
} else {
/* Enable POW interrupt when our port has at least one packet */
cvmx_write_csr(CVMX_POW_WQ_INT_THRX(pow_receive_group), 0x1001);
}
callout_init(&cvm_oct_poll_timer, 1);
callout_reset(&cvm_oct_poll_timer, hz, cvm_do_timer, NULL);
return 0;
}
int cvmx_llm_get_default_descriptor(llm_descriptor_t *llm_desc_ptr)
{
cvmx_sysinfo_t *sys_ptr;
sys_ptr = cvmx_sysinfo_get();
if (!llm_desc_ptr)
return -1;
memset(llm_desc_ptr, 0, sizeof(llm_descriptor_t));
llm_desc_ptr->cpu_hz = cvmx_clock_get_rate(CVMX_CLOCK_CORE);
if (sys_ptr->board_type == CVMX_BOARD_TYPE_EBT3000)
{ // N3K->RLD0 Address Swizzle
strcpy(llm_desc_ptr->addr_rld0_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld0_bb_str, "22 21 19 20 08 07 06 05 04 03 02 01 00 09 18 17 16 15 14 13 12 11 10");
// N3K->RLD1 Address Swizzle
strcpy(llm_desc_ptr->addr_rld1_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld1_bb_str, "22 21 20 00 08 07 06 05 04 13 02 01 03 09 18 17 16 15 14 10 12 11 19");
/* NOTE: The ebt3000 has a strange RLDRAM configuration for validation purposes. It is not recommended to have
** different amounts of memory on different ports as that renders some memory unusable */
llm_desc_ptr->rld0_bunks = 2;
llm_desc_ptr->rld1_bunks = 2;
llm_desc_ptr->rld0_mbytes = 128; // RLD0: 4x 32Mx9
llm_desc_ptr->rld1_mbytes = 64; // RLD1: 2x 16Mx18
}
else if (sys_ptr->board_type == CVMX_BOARD_TYPE_EBT5800)
{
strcpy(llm_desc_ptr->addr_rld0_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld0_bb_str, "22 21 20 00 08 07 06 05 04 13 02 01 03 09 18 17 16 15 14 10 12 11 19");
strcpy(llm_desc_ptr->addr_rld1_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld1_bb_str, "22 21 20 00 08 07 06 05 04 13 02 01 03 09 18 17 16 15 14 10 12 11 19");
llm_desc_ptr->rld0_bunks = 2;
llm_desc_ptr->rld1_bunks = 2;
llm_desc_ptr->rld0_mbytes = 128;
llm_desc_ptr->rld1_mbytes = 128;
llm_desc_ptr->max_rld_clock_mhz = 400; /* CN58XX needs a max clock speed for selecting optimal divisor */
}
else if (sys_ptr->board_type == CVMX_BOARD_TYPE_EBH3000)
{
strcpy(llm_desc_ptr->addr_rld0_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld0_bb_str, "22 21 19 20 08 07 06 05 04 03 02 01 00 09 18 17 16 15 14 13 12 11 10");
strcpy(llm_desc_ptr->addr_rld1_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld1_bb_str, "22 21 19 20 08 07 06 05 04 03 02 01 00 09 18 17 16 15 14 13 12 11 10");
llm_desc_ptr->rld0_bunks = 2;
llm_desc_ptr->rld1_bunks = 2;
llm_desc_ptr->rld0_mbytes = 128;
llm_desc_ptr->rld1_mbytes = 128;
}
else if (sys_ptr->board_type == CVMX_BOARD_TYPE_THUNDER)
{
if (sys_ptr->board_rev_major >= 4)
{
strcpy(llm_desc_ptr->addr_rld0_fb_str, "22 21 13 11 01 02 07 19 03 18 10 12 20 06 04 08 17 05 14 16 00 09 15");
strcpy(llm_desc_ptr->addr_rld0_bb_str, "22 21 11 13 04 08 17 05 14 16 00 09 15 06 01 02 07 19 03 18 10 12 20");
strcpy(llm_desc_ptr->addr_rld1_fb_str, "22 21 02 19 18 17 16 09 14 13 20 11 10 01 08 03 06 15 04 07 05 12 00");
strcpy(llm_desc_ptr->addr_rld1_bb_str, "22 21 19 02 08 03 06 15 04 07 05 12 00 01 18 17 16 09 14 13 20 11 10");
}
else
{
strcpy(llm_desc_ptr->addr_rld0_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld0_bb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld1_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld1_bb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
}
llm_desc_ptr->rld0_bunks = 2;
llm_desc_ptr->rld1_bunks = 2;
llm_desc_ptr->rld0_mbytes = 128;
llm_desc_ptr->rld1_mbytes = 128;
}
else if (sys_ptr->board_type == CVMX_BOARD_TYPE_NICPRO2)
{
strcpy(llm_desc_ptr->addr_rld0_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld0_bb_str, "22 21 19 20 08 07 06 05 04 03 02 01 00 09 18 17 16 15 14 13 12 11 10");
strcpy(llm_desc_ptr->addr_rld1_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld1_bb_str, "22 21 19 20 08 07 06 05 04 03 02 01 00 09 18 17 16 15 14 13 12 11 10");
llm_desc_ptr->rld0_bunks = 2;
llm_desc_ptr->rld1_bunks = 2;
llm_desc_ptr->rld0_mbytes = 256;
llm_desc_ptr->rld1_mbytes = 256;
llm_desc_ptr->max_rld_clock_mhz = 400; /* CN58XX needs a max clock speed for selecting optimal divisor */
}
else if (sys_ptr->board_type == CVMX_BOARD_TYPE_EBH3100)
{
/* CN31xx DFA memory is DDR based, so it is completely different from the CN38XX DFA memory */
llm_desc_ptr->rld0_bunks = 1;
llm_desc_ptr->rld0_mbytes = 256;
}
else if (sys_ptr->board_type == CVMX_BOARD_TYPE_KBP)
{
strcpy(llm_desc_ptr->addr_rld0_fb_str, "");
strcpy(llm_desc_ptr->addr_rld0_bb_str, "");
llm_desc_ptr->rld0_bunks = 0;
llm_desc_ptr->rld0_mbytes = 0;
strcpy(llm_desc_ptr->addr_rld1_fb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
strcpy(llm_desc_ptr->addr_rld1_bb_str, "22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00");
llm_desc_ptr->rld1_bunks = 2;
llm_desc_ptr->rld1_mbytes = 64;
}
else
{
cvmx_dprintf("No default LLM configuration available for board %s (%d)\n", cvmx_board_type_to_string(sys_ptr->board_type), sys_ptr->board_type);
return -1;
}
return(0);
}
/**
* Measure the reference clock of a QLM
*
* @param qlm QLM to measure
*
* @return Clock rate in Hz
* */
int cvmx_qlm_measure_clock(int qlm)
{
cvmx_mio_ptp_clock_cfg_t ptp_clock;
uint64_t count;
uint64_t start_cycle, stop_cycle;
#ifdef CVMX_BUILD_FOR_UBOOT
int ref_clock[16] = {0};
#else
static int ref_clock[16] = {0};
#endif
if (ref_clock[qlm])
return ref_clock[qlm];
if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX))
return -1;
/* Force the reference to 156.25Mhz when running in simulation.
This supports the most speeds */
#ifdef CVMX_BUILD_FOR_UBOOT
if (gd->arch.board_desc.board_type == CVMX_BOARD_TYPE_SIM)
return 156250000;
#elif !defined(CVMX_BUILD_FOR_LINUX_HOST)
if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM)
return 156250000;
#endif
/* Disable the PTP event counter while we configure it */
ptp_clock.u64 = cvmx_read_csr(CVMX_MIO_PTP_CLOCK_CFG); /* For CN63XXp1 errata */
ptp_clock.s.evcnt_en = 0;
cvmx_write_csr(CVMX_MIO_PTP_CLOCK_CFG, ptp_clock.u64);
/* Count on rising edge, Choose which QLM to count */
ptp_clock.u64 = cvmx_read_csr(CVMX_MIO_PTP_CLOCK_CFG); /* For CN63XXp1 errata */
ptp_clock.s.evcnt_edge = 0;
ptp_clock.s.evcnt_in = 0x10 + qlm;
cvmx_write_csr(CVMX_MIO_PTP_CLOCK_CFG, ptp_clock.u64);
/* Clear MIO_PTP_EVT_CNT */
cvmx_read_csr(CVMX_MIO_PTP_EVT_CNT); /* For CN63XXp1 errata */
count = cvmx_read_csr(CVMX_MIO_PTP_EVT_CNT);
cvmx_write_csr(CVMX_MIO_PTP_EVT_CNT, -count);
/* Set MIO_PTP_EVT_CNT to 1 billion */
cvmx_write_csr(CVMX_MIO_PTP_EVT_CNT, 1000000000);
/* Enable the PTP event counter */
ptp_clock.u64 = cvmx_read_csr(CVMX_MIO_PTP_CLOCK_CFG); /* For CN63XXp1 errata */
ptp_clock.s.evcnt_en = 1;
cvmx_write_csr(CVMX_MIO_PTP_CLOCK_CFG, ptp_clock.u64);
start_cycle = cvmx_clock_get_count(CVMX_CLOCK_CORE);
/* Wait for 50ms */
cvmx_wait_usec(50000);
/* Read the counter */
cvmx_read_csr(CVMX_MIO_PTP_EVT_CNT); /* For CN63XXp1 errata */
count = cvmx_read_csr(CVMX_MIO_PTP_EVT_CNT);
stop_cycle = cvmx_clock_get_count(CVMX_CLOCK_CORE);
/* Disable the PTP event counter */
ptp_clock.u64 = cvmx_read_csr(CVMX_MIO_PTP_CLOCK_CFG); /* For CN63XXp1 errata */
ptp_clock.s.evcnt_en = 0;
cvmx_write_csr(CVMX_MIO_PTP_CLOCK_CFG, ptp_clock.u64);
/* Clock counted down, so reverse it */
count = 1000000000 - count;
/* Return the rate */
ref_clock[qlm] = count * cvmx_clock_get_rate(CVMX_CLOCK_CORE) / (stop_cycle - start_cycle);
return ref_clock[qlm];
}
int init_twsi_bus(void)
{
int M_divider, N_divider;
cvmx_mio_tws_sw_twsi_t sw_twsi;
uint64_t io_clock_mhz;
io_clock_mhz = cvmx_clock_get_rate(CVMX_CLOCK_SCLK) / 1000000;
/* Perform a software reset */
sw_twsi.u64 = 0;
sw_twsi.s.v = 1;
sw_twsi.s.op = 0x6;
sw_twsi.s.eop_ia = TWSI_RST;
cvmx_write_csr(CVMX_MIO_TWS_SW_TWSI, sw_twsi.u64);
/* Wait 315 core-clock cycles */
cvmx_wait_io(315);
#ifdef CFG_BOARD_AMPP2_A
// maclee: bus 1 also
cvmx_write_csr(CVMX_MIO_TWSX_SW_TWSI(1) , sw_twsi.u64);
cvmx_wait_io(315);
#endif
/* Slow down the TWSI clock, as the default is too fast in some
* cases.
*/
/*
* Set the TWSI clock to a conservative 100KHz. Compute the
* clocks M divider based on the core clock.
*
* TWSI freq = (core freq) / (20 x (M+1) x (thp+1) x 2^N)
* M = ((core freq) / (20 x (TWSI freq) x (thp+1) x 2^N)) - 1
*/
#ifndef CONFIG_SYS_I2C_SPEED
# define CONFIG_SYS_I2C_SPEED 100000 /* 100KHz */
#endif
#ifndef TWSI_BUS_FREQ
# define TWSI_BUS_FREQ CONFIG_SYS_I2C_SPEED
#endif
#ifndef TWSI_THP
# define TWSI_THP (24) /* TCLK half period (default 24) */
#endif
for (N_divider = 0; N_divider < 8; ++N_divider) {
M_divider =
((io_clock_mhz * 1000000) /
(20 * TWSI_BUS_FREQ * (TWSI_THP + 1) * (1 << N_divider))) -
1;
if (M_divider < 16)
break;
}
sw_twsi.u64 = 0;
sw_twsi.s.v = 1;
sw_twsi.s.op = 0x6;
sw_twsi.s.r = 0; /* Select CLKCTL when R = 0 */
sw_twsi.s.eop_ia = TWSI_CLKCTL_STAT;
sw_twsi.s.d = ((M_divider & 0xf) << 3) | ((N_divider & 0x7) << 0);
cvmx_write_csr(CVMX_MIO_TWS_SW_TWSI, sw_twsi.u64);
#ifdef CFG_BOARD_AMPP2_A
// maclee: bus 1 also
cvmx_wait_io(315);
cvmx_write_csr(CVMX_MIO_TWSX_SW_TWSI(1), sw_twsi.u64);
cvmx_wait_io(315);
#endif
/*
* If TWSI_BUS_SLAVE_ADDRESS is defined use that address to
* override the default Oction TWSI Slave Address.
*/
#if TWSI_BUS_SLAVE_ADDRESS
sw_twsi.u64 = 0;
sw_twsi.s.v = 1;
sw_twsi.s.op = 0x6;
sw_twsi.s.r = 0;
sw_twsi.s.eop_ia = TWSI_SLAVE_ADD;
sw_twsi.s.d = TWSI_BUS_SLAVE_ADDRESS << 1;
cvmx_write_csr(CVMX_MIO_TWS_SW_TWSI, sw_twsi.u64);
# ifdef CFG_BOARD_AMPP2_A
// maclee: bus 1 also
cvmx_wait_io(315);
cvmx_write_csr(CVMX_MIO_TWSX_SW_TWSI(1), sw_twsi.u64);
cvmx_wait_io(315);
# endif
#endif
// maclee: reset bus 1
reset_bus1();
return 0;
}
