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In the previous patches, we introduced the SPL/TPL fraamework.
For SD/SPI flash booting way, we introduce the SPL to enable a loader stub. The
SPL was loaded by the code from the internal on-chip ROM. The SPL initializes
the DDR according to the SPD and loads the final uboot image into DDR, then
jump to the DDR to begin execution.
For NAND booting way, the nand SPL has size limitation on some board(e.g.
P1010RDB), it can not be more than 8KB, we can call it "minimal SPL", So the
dynamic DDR driver doesn't fit into this minimum SPL. We added the TPL that is
loaded by the the minimal SPL. The TPL initializes the DDR according to the SPD
and loads the final uboot image into DDR,then jump to the DDR to begin execution.
This patch enabled SPL/TPL for P1010RDB to support starting from NAND/SD/SPI
flash with SPL framework and initializing the DDR according to SPD in the SPL/TPL.
Because the minimal SPL load the TPL to L2 SRAM and the jump to the L2 SRAM to
execute, so the section .resetvec is no longer needed.
Signed-off-by: Ying Zhang <b40530@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
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CONFIG_SPL_NAND_MINIMAL should not be used as it was defined for temporary
review purpose.
So, use CONFIG_SPL_NAND_BOOT config.
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
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Since pins multiplexing, SDHC shares signals with IFC, with this patch:
To enable SDHC in case of NOR/NAND/SPI boot
a) For temporary use case in runtime without reboot system
run 'mux sdhc' in u-boot to validate SDHC with invalidating IFC.
b) For long-term use case
set 'esdhc' in hwconfig and save it.
To enable IFC in case of SD boot
a) For temporary use case in runtime without reboot system
run 'mux ifc' in u-boot to validate IFC with invalidating SDHC.
b) For long-term use case
set 'ifc' in hwconfig and save it.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
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PCIe TLB should be created with CONFIG_PCI defined
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
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e500v2 processor does not support 8K page size TLB entries.
So create new TLB entry only during NAND SPL boot.
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
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- defines constants
- Add spl_minimal.c to initialise DDR
- update TLB entries as per NAND boot
- remove nand_spl support for P1010RDB
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
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Boot methods supported: NOR Flash, SPI Flash and SDCARD
This patch adds the following basic interfaces:
DDR3, eTSEC, DUART, I2C, SD/MMC, USB, SATA, PCIe, NOR Flash, SPI Flash.
P1010RDB Overview
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1Gbyte DDR3 (on board DDR)
Local Bus (IFC):
32Mbyte 16bit NOR flash
32Mbyte SLC NAND Flash
64KB CPLD device(GPCM interface)
SPI Flash:
128 Mbit SPI Flash memory
SD/MMC:
connector to interface with the SD memory card
SATA:
1 internal SATA connect to 2.5. 160G SATA2 HDD
1 eSATA connector to rear panel
USB 2.0:
x1 USB 2.0 port: connected via a UTMI PHY to Mini-AB interface.
x1 USB 2.0 port: directly connected to Mini-AB interface Ethernet
eTSEC:
eTSEC1: Connected to RGMII PHY VSC8641XKO
eTSEC2: Connected to SGMII PHY VSC8221
eTSEC3: Connected to SGMII PHY VSC8221
eCAN:
Two DB-9 female connectors for Field bus interface
UART:
supports two UARTs up to 115200 bps for console
TDM:
2 FXS ports connected via an external SLIC to the TDM interface.
SLIC:
SPI SLIC
I2C:
Serial EEprom
Real time clock
256 Kbit M24256 I2C EEPROM
PCIe:
PCIe and mPCIe connectors.
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Dipen Dudhat <dipen.dudhat@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Bhaskar Upadhaya <Bhaskar.Upadhaya@freescale.com>
Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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