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The RCPM FSM may not be reset after power-on, for example,
in the cases of cold boot and wakeup from deep sleep.
It causes cache coherency problem and may block deep sleep.
Therefore, reset them if they are not be reset.
Signed-off-by: Chenhui Zhao <chenhui.zhao@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
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LS1021A's PCIe1 region begins 0x40_00000000; PCIe2 begins
0x48_00000000. In order to access PCIe device, we must create
TLB to map the 40bit physical address to 32bit virtual address.
This patch will enable MMU after DDR is available and creates MMU
table in DRAM to map all 4G space; then, re-use the reserved space
to map PCIe region. The following the mapping layout.
VA mapping:
------- <---- 0GB
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|-------| <---- 0x24000000
|///////| ===> 192MB VA map for PCIe1 with offset 0x40_0000_0000
|-------| <---- 0x300000000
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|-------| <---- 0x34000000
|///////| ===> 192MB VA map for PCIe2 with offset 0x48_0000_0000
|-------| <---- 0x40000000
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|-------| <---- 0x80000000 DDR0 space start
|\\\\\\\|
|\\\\\\\| ===> 2GB VA map for 2GB DDR0 Memory space
|\\\\\\\|
------- <---- 4GB DDR0 space end
Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
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Add deep sleep support on Freescale LS1021QDS platform.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
[York Sun: Fix conflict in fdt.c]
Reviewed-by: York Sun <yorksun@freescale.com>
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As QSPI/DSPI and IFC are pin multiplexed, QSPI and DSPI are
only enabled in QSPI boot, and disabled in other boot modes.
IFC is enabled in NOR/NAND/SD boot, and disabled in QSPI boot.
This patch will add fdt support for the above rules.
Signed-off-by: Alison Wang <alison.wang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
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Era property is added in the crypto node in device tree.
Move the code to do so from arch/powerpc/mpc8xxx/fdt.c to
drivers/sec/sec.c so that it can be used across arm and
powerpc platforms having crypto node.
Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
[York Sun: Fix commit message indentation]
Reviewed-by: York Sun <yorksun@freescale.com>
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Define the board specific smp_set_cpu_boot_addr() function to set
the start address for secondary cores in the LS1021A specific manner.
Define the board specific smp_kick_all_cpus() functioin to boot a
secondary core. Here the BRR contains control bits for enabling boot
for each core. On exiting HRESET or PORESET, the RCW BOOT_HO field
optionally allows for logical core 0 to be released for booting or to
remain in boot holdoff. All other cores remain in boot holdoff until
their corresponding bit is set.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
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This patch adds SD boot support for LS1021AQDS board. SPL
framework is used. PBL initialize the internal RAM and copy
SPL to it, then SPL initialize DDR using SPD and copy u-boot
from SD card to DDR, finally SPL transfer control to u-boot.
Signed-off-by: Alison Wang <alison.wang@freescale.com>
Signed-off-by: Jason Jin <jason.jin@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
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After wakeup from deep sleep, Clear EPU registers as early as possible
to prevent from possible issue. It's also safe to clear at normal boot.
Signed-off-by: Chenhui Zhao <chenhui.zhao@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
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The bus frequency in SOC node should be clock frequency of platform.
That is not true if it is devided by 2.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
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The QorIQ LS1 family is built on Layerscape architecture,
the industry's first software-aware, core-agnostic networking
architecture to offer unprecedented efficiency and scale.
Freescale LS102xA is a set of SoCs combines two ARM
Cortex-A7 cores that have been optimized for high
reliability and pack the highest level of integration
available for sub-3 W embedded communications processors
with Layerscape architecture and with a comprehensive
enablement model focused on ease of programmability.
Signed-off-by: Alison Wang <alison.wang@freescale.com>
Signed-off-by: Jason Jin <jason.jin@freescale.com>
Signed-off-by: Jingchang Lu <jingchang.lu@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
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