Table 6-2. POR configuration through registers (continued)
Register
POR configuration
Signal name
Default
setting
Signal meaning
Setting
1: Higher order address bits are
multiplexed with data on
IFC_AD[0:15]
R278
cfg_ifc_te
IFC_TE
NC (1)
IFC transciever enabled
R279
cfg_srds_refclk
IFC_AD12
NC (1)
Input SerDes
reference clock
0: SerDes expects a 125 MHz
reference clock frequency.
1: SerDes expects a 100 MHz
reference clock frequency. This is
the default value.
R493
cfg_srds_pll_timeout_e
n
ASLEEP
NC (1)
Enable SerDes
PLL timeout
0: Disabled
1: Enabled
R280
cfg_por_bist
IFC_OE_N
NC (1)
R284
cfg_fuse_rd_en
IFC_PAR0
NC (1)
Enable security
fuse read
0: Disabled
1: Enabled
R286
cfg_test_port_mux_sel UART1_TXD
NC (1)
Test port MUX
select
0: Not selected
1: Selected
R287
cfg_test_port_dis
IFC_WP_N
NC (1)
Disable test port 1: Disabled
0: Enabled
R289
cfg_60x
TSEC2_TXD2
NC (1)
R290
cfg_pcc_drowsy_en
IFC_A20
4.7k (0)
Enable PPC
drowsy
0: Disabled
1: Enabled
R425
cfg_sdram_drawsy_en IRQ_OUT_N
4.7k (0)
Enable SDRAM
drowsy
0: Disabled
1: Enabled
In the above tables, ON indicates 0 and OFF indicates 1.
6.1 POR Settings in Different Boot Location Modes
This section lists the POR settings in various boot location modes.
6.1.1 NOR Flash POR Settings
The table below shows default POR settings in NOR flash boot mode (800 MHz core,
800 MHz DDR, PCIe-x4 agent).
Table 6-3. NOR flash POR settings for 800 MHz core
SW4[1..8]
0101 1000
ON OFF ON OFF OFF ON ON ON
Table continues on the next page...
POR Settings in Different Boot Location Modes
C29x PCIe Card User Guide, Rev. 0, 10/2013
40
Freescale Semiconductor, Inc.
Содержание C29x
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