On 05/16/2013 02:09 PM, Benjamin Herrenschmidt wrote:
On Thu, 2013-05-16 at 06:05 +0000, Zang Roy-R61911 wrote:
I do not suggest changing the RCW. If the RCW is broken on Ben's side,
it is not easy to recover for him.
Let's check the U-boot output first.

U-Boot 2013.01-00009-g7bcd7f4 (Mar 14 2013 - 14:23:16)

CPU0:  P5020E, Version: 1.0, (0x82280010)
Core:  E5500, Version: 1.0, (0x80240010)
Clock Configuration:
        CPU0:2000 MHz, CPU1:2000 MHz,
        CCB:800  MHz,
        DDR:666.667 MHz (1333.333 MT/s data rate) (Asynchronous), LBC:100  MHz
        FMAN1: 600 MHz
        QMAN:  400 MHz
        PME:   400 MHz
L1:    D-cache 32 kB enabled
        I-cache 32 kB enabled
Board: P5020DS, Sys ID: 0x1c, Sys Ver: 0x12, FPGA Ver: 0x05, vBank: 0
Reset Configuration Word (RCW):
        00000000: 0c540000 00000000 1e120000 00000000
        00000010: d8984a01 03002000 de800000 41000000
        00000020: 00000000 00000000 00000000 10070000
        00000030: 00000000 00000000 00000000 00000000

I think you can use Bharat's RCW, which seems RR_HXAPNSP_0x36, then please take a look at this:

The RCW directories names for the p5020ds board conform to the following naming
convention:

ab_bcdefghi_j:

a = 'R' if RGMII@DTSEC4 is supported / 'N' if not available/not used
b = 'R' if RGMII@DTSEC5 is supported / 'N" if not available/not used

c = What is available in Slot 1 or SATA
d = What is available in Slot 2
e = What is available in Slot 3
f = What is available in Slot 4
g = What is available in Slot 5
h = What is available in Slot 6
i = What is available in Slot 7

For the Slots (c..i):
 'N' if not available/not used
 'P' if PCIe
 'X' if XAUI
 'R' if SRIO
 'S' if SGMII
 'H' if SATA
 'A' is AURORA

j = 'hex value of serdes protocol value'

So NR_HXAPNSP_0x36 means:
 - no RGMII@DTSEC4
 - RGMII@DTSEC5
 - SATA [Slot 1 not used]
 - XAUI on Slot 2
 - AURORA on Slot 3
 - PCIE on Slot 4
 - SGMII on Slot 6
 - PCIE on Slot 7

Slot 5 is not used, and the SERDES Protocol is 0x36.

So slot 7 and slot 4 can be as PCIe slot.

Tiejun

SERDES Reference Clocks: Bank1=100Mhz Bank2=125Mhz Bank3=125Mhz
I2C:   ready
SPI:   ready
DRAM:  Initializing....using SPD
Detected UDIMM i-DIMM
Detected UDIMM i-DIMM
2 GiB left unmapped
4 GiB (DDR3, 64-bit, CL=9, ECC on)
        DDR Controller Interleaving Mode: cache line
        DDR Chip-Select Interleaving Mode: CS0+CS1
Testing 0x00000000 - 0x7fffffff
Testing 0x80000000 - 0xffffffff
Remap DDR 2 GiB left unmapped

POST memory PASSED
Flash: 128 MiB
L2:    512 KB enabled
Corenet Platform Cache: 2048 KB enabled
SRIO1: disabled
SRIO2: disabled
NAND:  1024 MiB
MMC:  FSL_SDHC: 0
EEPROM: NXID v1
PCIe1: Root Complex, no link, regs @ 0xfe200000
PCIe1: Bus 00 - 00
PCIe2: disabled
PCIe3: Root Complex, no link, regs @ 0xfe202000
PCIe3: Bus 01 - 01
PCIe4: disabled
In:    serial
Out:   serial
Err:   serial
Net:   Initializing Fman
Fman1: Uploading microcode version 106.1.7
PHY reset timed out
PHY reset timed out
PHY reset timed out
PHY reset timed out
FM1@DTSEC1, FM1@DTSEC2, FM1@DTSEC3, FM1@DTSEC4, FM1@DTSEC5, FM1@TGEC1
Hit any key to stop autoboot:  0
=>

Cheers,
Ben.


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