2013-06-19 21:02:47 +02:00
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config CPU_SAMSUNG_EXYNOS5250
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2014-04-23 00:16:54 +02:00
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select ARCH_ARMV7
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2013-06-19 21:02:47 +02:00
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select HAVE_MONOTONIC_TIMER
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select HAVE_UART_SPECIAL
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2013-06-20 00:54:19 +02:00
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select DYNAMIC_CBMEM
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2013-06-19 21:02:47 +02:00
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bool
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default n
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if CPU_SAMSUNG_EXYNOS5250
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2013-01-11 20:34:06 +01:00
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config BOOTBLOCK_CPU_INIT
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string
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default "cpu/samsung/exynos5250/bootblock.c"
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help
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CPU/SoC-specific bootblock code. This is useful if the
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bootblock must load microcode or copy data from ROM before
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searching for the bootblock.
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2013-06-12 06:55:58 +02:00
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# ROM image layout.
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#
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# 0x0000: vendor-provided BL1 (8k).
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# 0x2000: bootblock
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# 0x2010-0x2090: reserved for CBFS master header.
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# 0xA000: Free for CBFS data.
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config BOOTBLOCK_ROM_OFFSET
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hex
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default 0x2000
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config CBFS_HEADER_ROM_OFFSET
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hex "offset of master CBFS header in ROM"
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default 0x2010
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config CBFS_ROM_OFFSET
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# Calculated by BOOTBLOCK_ROM_OFFSET + max bootblock size.
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hex "offset of CBFS data in ROM"
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default 0x0A000
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2013-02-09 04:10:33 +01:00
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2013-01-18 05:52:21 +01:00
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# Example SRAM/iRAM map for Exynos5250 platform:
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#
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# 0x0202_0000: vendor-provided BL1
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# 0x0202_3400: bootblock, assume up to 32KB in size
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# 0x0203_0000: romstage, assume up to 128KB in size.
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2013-02-15 01:41:54 +01:00
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# 0x0207_8000: stack pointer
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2012-12-08 02:18:43 +01:00
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2013-01-18 05:52:21 +01:00
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config BOOTBLOCK_BASE
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2012-12-08 02:18:43 +01:00
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hex
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2013-01-18 05:52:21 +01:00
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default 0x02023400
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config ROMSTAGE_BASE
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2012-12-27 22:50:32 +01:00
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hex
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2013-01-18 05:52:21 +01:00
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default 0x02030000
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2012-12-27 22:50:32 +01:00
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2013-01-18 05:52:21 +01:00
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config ROMSTAGE_SIZE
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2012-12-27 22:50:32 +01:00
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hex
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2013-01-18 05:52:21 +01:00
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default 0x10000
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2012-12-27 22:50:32 +01:00
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2013-02-15 01:41:54 +01:00
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# Stack may reside in either IRAM or DRAM. We will define it to live
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# at the top of IRAM for now.
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#
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# Stack grows downward, push operation stores register contents in
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# consecutive memory locations ending just below SP
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config STACK_TOP
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hex
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default 0x02078000
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config STACK_BOTTOM
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hex
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default 0x02077000
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config STACK_SIZE
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hex
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default 0x1000
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Extend CBFS to support arbitrary ROM source media.
Summary:
Isolate CBFS underlying I/O to board/arch-specific implementations as
"media stream", to allow loading and booting romstage on non-x86.
CBFS functions now all take a new "media source" parameter; use
CBFS_DEFAULT_MEDIA if you simply want to load from main firmware.
API Changes:
cbfs_find => cbfs_get_file.
cbfs_find_file => cbfs_get_file_content.
cbfs_get_file => cbfs_get_file_content with correct type.
CBFS used to work only on memory-mapped ROM (all x86). For platforms like ARM,
the ROM may come from USB, UART, or SPI -- any serial devices and not available
for memory mapping.
To support these devices (and allowing CBFS to read from multiple source
at the same time), CBFS operations are now virtual-ized into "cbfs_media". To
simplify porting existing code, every media source must support both "reading
into pre-allocated memory (read)" and "read and return an allocated buffer
(map)". For devices without native memory-mapped ROM, "cbfs_simple_buffer*"
provides simple memory mapping simulation.
Every CBFS function now takes a cbfs_media* as parameter. CBFS_DEFAULT_MEDIA
is defined for CBFS functions to automatically initialize a per-board default
media (CBFS will internally calls init_default_cbfs_media). Also revised CBFS
function names relying on memory mapped backend (ex, "cbfs_find" => actually
loads files). Now we only have two getters:
struct cbfs_file *entry = cbfs_get_file(media, name);
void *data = cbfs_get_file_content(CBFS_DEFAULT_MEDIA, name, type);
Test results:
- Verified to work on x86/qemu.
- Compiles on ARM, and follow up commit will provide working SPI driver.
Change-Id: Iac911ded25a6f2feffbf3101a81364625bb07746
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: http://review.coreboot.org/2182
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-01-22 11:57:56 +01:00
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# TODO We may probably move this to board-specific implementation files instead
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# of KConfig values.
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config CBFS_CACHE_ADDRESS
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hex "memory address to put CBFS cache data"
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default 0x02060000
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config CBFS_CACHE_SIZE
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hex "size of CBFS cache data"
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default 0x000017000
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2013-01-18 05:52:21 +01:00
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config SYS_SDRAM_BASE
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2013-02-20 22:24:35 +01:00
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hex
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2013-01-18 05:52:21 +01:00
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default 0x40000000
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2013-06-19 21:02:47 +02:00
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endif
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