- 17 Feb, 2013 13 commits
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John Crispin authored
Add support code for rt3050, rt3052, rt3350, rt3352 and rt5350 SOC. The code detects the SoC and registers the clk / pinmux settings. Signed-off-by:
John Crispin <blogic@openwrt.org> Signed-off-by:
Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4896/
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John Crispin authored
Add the code needed to make early printk work. Signed-off-by:
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John Crispin authored
Until there is a generic MIPS way of handing the DTB over from bootloader to kernel we rely on a built in devicetrees. The OF code also remaps those register ranges that we use global in our drivers. Signed-off-by:
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John Crispin authored
These SoCs have a limited number of fixed rate clocks. Add support for the clk and clkdev api. Signed-off-by:
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John Crispin authored
Add minimal code to handle commandlines. Signed-off-by:
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John Crispin authored
Resetting these SoCs requires no real magic. The code is straight forward. Signed-off-by:
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John Crispin authored
All of the Ralink Wifi SoC currently supported by this series share the same interrupt controller (INTC). Signed-off-by:
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John Crispin authored
Before we start adding the platform code we add the common include files. Signed-off-by:
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John Crispin authored
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Gabor Juhos authored
The current code uses multiple if statements for demultiplexing the different interrupt sources. Additionally, the MISC interrupt controller has 32 interrupt sources and the current code does not handles all of them. Get rid of the if statements and process all interrupt sources in a loop to fix these issues. Signed-off-by:
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Gabor Juhos authored
Make ath79_gpio_function_{en,dis}able to be wrappers around ath79_gpio_function_setup. Signed-off-by: -
Gabor Juhos authored
GPIO function selection is not working on the AR934x SoCs because the offset of the function selection register is different on those. Add a helper routine which returns the correct register address based on the SoC type, and use that in the 'ath79_gpio_function_*' routines. Signed-off-by:
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Steven J. Hill authored
Add new clocksource that uses the counter present on the MIPS Global Interrupt Controller. Signed-off-by:
Steven J. Hill <sjhill@mips.com> Patchwork: http://patchwork.linux-mips.org/patch/4681/Signed-off-by:
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- 16 Feb, 2013 21 commits
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Steven J. Hill authored
Simplify the DSP macros for vanilla (non-microMIPS) kernels and toolchains that do not support the DSP ASEs. Signed-off-by:
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Steven J. Hill authored
Add macros to support the DSP ASE with microMIPS kernels when the toolchain does not have support. Signed-off-by:
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Steven J. Hill authored
Newer toolchains support the DSP and DSP Rev2 instructions. This patch performs a check for that support and adds compiler and assembler flags for only the files that need use those instructions. Signed-off-by:
Florian Fainelli <florian@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4752/Signed-off-by:
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Steven J. Hill authored
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Steven J. Hill authored
Clean up standard header text and remove unused #define. Signed-off-by:
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Jayachandran C authored
On a multi-chip XLP board, each node can have 4 PCIe links. Update XLP PCI code to initialize PCIe on all the nodes. Signed-off-by:
Jayachandran C <jchandra@broadcom.com> Patchwork: http://patchwork.linux-mips.org/patch/4803/Signed-off-by:
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Jayachandran C authored
On multi-chip boards, the first core on slave SoCs may take much more time to wakeup. Add code to wait for the core to come up before proceeding with the rest of the boot up. Update xlp_wakeup_core to also skip the boot node and the boot CPU initialization which is already complete. Signed-off-by:
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Jayachandran C authored
Doing calibrate delay on a hardware thread will be inaccurate since it depends on the load on other threads in the core. It will also slow down the boot process when done for 128 hardware threads. Switch to a pre-computed loops per jiffy based on the core frequency. The value is computed based on the core frequency and roughly matches the value calculated by calibrate_delay(). Signed-off-by:
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Jayachandran C authored
TLB and COP0 hazards are handled in hardware for Netlogic XLR/XLS SoCs. Update hazards.h to pick more optimal set of definitions when compiling for XLR/XLS. Signed-off-by:
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Jayachandran C authored
Reading PCI extended register at 0x255 on a bridge will hang if there is no device connected on the link. Make PCI read routine skip this register. Signed-off-by:
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Jayachandran C authored
The XLR/XLS/XLP PIC has a 8 countdown timers which run at the PIC frequencey. One of these can be used as a clocksource to provide timestamps that is common across cores. This can be used in place of the count/compare clocksource which is per-CPU. On XLR/XLS PIC registers are 32-bit, so we just use the lower 32-bits of the PIC counter. On XLP, the whole 64-bit can be used. Provide common macros and functions for PIC timer registers on XLR/XLS and XLP, and use them to register a PIC clocksource. Signed-off-by:
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Jayachandran C authored
Since we now use r4k cache code for Netlogic XLP, it is better to split L1 icache among the active threads, so that threads won't step on each other while flushing icache. The L1 dcache is already split among the threads in the core. Signed-off-by:
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Jayachandran C authored
Rename function xlp_enable_pci_bswap() to xlp_config_pci_bswap(), which is a better description for its functionality. When compiled in big-endian mode, xlp_config_pci_bswap() will configure the PCIe links to byteswap. In little-endian mode, no swap configuration is needed for the PCIe controller, and the function is empty. Signed-off-by:
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Jayachandran C authored
Provide functions ack_c0_eirr(), set_c0_eimr(), clear_c0_eimr() and read_c0_eirr_and_eimr() that do the EIMR and EIRR operations and update the interrupt handling code to use these functions. Also, use the EIMR register functions to mask interrupts in the irq code. The 64-bit interrupt request and mask registers (EIRR and EIMR) are accessed when the interrupts are off, and the common operations are to set or clear a bit in these registers. Using the 64-bit c0 access functions for these operations is not optimal in 32-bit, because it will disable/restore interrupts and split/join the 64-bit value during each register access. Signed-off-by:
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Jayachandran C authored
Add support for XLS6xx CPUs to the Fast Message Network (FMN) configuration. Signed-off-by:
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John Crispin authored
This code makes the irqs used by the EIU loadable from the DT. Additionally we add a helper that allows the pinctrl layer to map external irqs to real irq numbers. Signed-off-by:
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John Crispin authored
We need to make sure that the reset gpio is available and also set a sane default state. Signed-off-by:
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John Crispin authored
Explicitly enable the clock gate of the internal GPHYs found on xrx200. Signed-off-by:
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John Crispin authored
The Lantiq DSL SoCs have an internal networking processor. Add code to read the static clock rate. Signed-off-by:
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John Crispin authored
"nodes" is written with a single "s" Signed-off-by:
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John Crispin authored
Make sure 24KEc is properly identified inside /proc/cpuinfo Signed-off-by:
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- 15 Feb, 2013 6 commits
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Hauke Mehrtens authored
An SoC normally do not define path variables for board_rev and board_type and the Broadcom SDK also uses the nvram values without a prefix in such cases. Do the same to fill these sprom attributes from nvram and do not leave them empty, because brcmsmac do not like this. Signed-off-by:
Hauke Mehrtens <hauke@hauke-m.de> Patchwork: http://patchwork.linux-mips.org/patch/4679/Signed-off-by:
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Hauke Mehrtens authored
The kernel is loaded to 0x80001000 so there is some space left for the exception handlers and the kernel do not have to reserve some extra space for them. Signed-off-by:
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Hauke Mehrtens authored
All the boot loaders I have seen are booting the kernel in raw mode by default. CFE seems to support elf kernel images too, but the default case is raw for the devices I know of. Select this option to make the kernel boot on most of the devices with the default options. Signed-off-by:
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Hauke Mehrtens authored
Some nvram values on some devices have a newline character at the end of the value, that caused read errors. Trim the string before reading the number. Signed-off-by:
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Hauke Mehrtens authored
The nvram functions are exported and used by some normal drivers. To prevent name clashes with ofter parts of the kernel code add a bcm47xx_ prefix in front of the function names and the header file name. Signed-off-by:
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Hauke Mehrtens authored
The old code just worked for nvram with a size of 0x8000 bytes. This patch adds support for reading nvram from partitions of 0xF000 and 0x10000 bytes. There is just 32KB space for the nvram, but most devices do not use the full size and this code reads the first 32KB in that case and prints a warning. Signed-off-by:
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