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author | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2022-12-09 10:20:18 +0100 |
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committer | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2022-12-15 09:20:53 +0100 |
commit | f845b95a162eb7001bfb23ff35ed38607d9f3884 (patch) | |
tree | 0eb7cae278fd285b5a8d5bcc1d9f404ad547f82d /spec | |
parent | bsps/atsam: Add NULL pointer protection (diff) | |
download | rtems-f845b95a162eb7001bfb23ff35ed38607d9f3884.tar.bz2 |
bsp/atsam: Allow to use custom SDRAM
With the old build system in RTEMS 5 that was possible by just
overwriting BOARD_Sdram_Config and setting a custom
ATSAM_MEMORY_SDRAM_SIZE during building the BSP. In the new build system
that ATSAM_MEMORY_SDRAM_SIZE is set exclusively by the selected SDRAM
chip.
This patch adds the possibility to specify a "custom-0x100000" or
similar as SDRAM type where the number gives the SDRAM size.
Diffstat (limited to 'spec')
-rw-r--r-- | spec/build/bsps/arm/atsam/optsdram.yml | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/spec/build/bsps/arm/atsam/optsdram.yml b/spec/build/bsps/arm/atsam/optsdram.yml index c07edd9ba5..0c3808ab2b 100644 --- a/spec/build/bsps/arm/atsam/optsdram.yml +++ b/spec/build/bsps/arm/atsam/optsdram.yml @@ -9,10 +9,18 @@ actions: "mt48lc16m16a2p-6a": ("ATSAM_SDRAM_MT48LC16M16A2P_6A", 0x02000000), } if value: - try: - s = sdram[value] - except: - conf.fatal("Unkown SDRAM variant '{}'".format(value)) + if value.startswith("custom-"): + name = "ATSAM_SDRAM_CUSTOM" + try: + size = int(value[len("custom-"):], base=0) + s = (name, size) + except Exception as e: + conf.fatal("Invalid SDRAM size '{}': {}".format(value, e)) + else: + try: + s = sdram[value] + except: + conf.fatal("Unkown SDRAM variant '{}'".format(value)) conf.define_cond(s[0], True) conf.env["ATSAM_MEMORY_SDRAM_SIZE"] = s[1] build-type: option @@ -21,7 +29,10 @@ copyrights: default: is42s16100e-7bli default-by-variant: [] description: | - SDRAM variant + SDRAM variant. Known chips are "is42s16100e-7bli", "is42s16320f-7bl", + "mt48lc16m16a2p-6a". You can also set this to "custom-<RAM_SIZE>" (for example + "custom-0x1000000" for a 16MiB RAM). In that case the BOARD_Sdram_Config has + to be overwritten by the application to get working applications. enabled-by: true format: '{}' links: [] |