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lib: utils: Add detection of Smepmp from ISA string in FDT

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- Add function to parse ISA string in FDT.
- Set Smepmp feature bit in extensions if "smepmp" string is found in ISA string.

Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Himanshu Chauhan
2023-07-12 10:04:31 +05:30
committed by Anup Patel
parent cbcfc7b10c
commit d72f5f1747
3 changed files with 123 additions and 0 deletions
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include/sbi_utils/fdt/fdt_helper.h
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@@ -56,6 +56,9 @@ int fdt_parse_max_enabled_hart_id(void *fdt, u32 *max_hartid);
int fdt_parse_timebase_frequency(void *fdt, unsigned long *freq);
int fdt_parse_isa_extensions(void *fdt, unsigned int hard_id,
unsigned long *extensions);
int fdt_parse_gaisler_uart_node(void *fdt, int nodeoffset,
struct platform_uart_data *uart);