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cmd/sbi: display new extensions
OpenSBI already implements some extensions that are not ratified yet: * Debug Console Extension (DBCN) * System Suspend Extension (SUSP) * Collaborative Processor Performance Control Extension (CPPC) Allow the sbi command to display these. Provide the FID definitions of the Debug Console Extension. We can use that extension for an early debug console driver. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
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2 changed files with 12 additions and 0 deletions
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@ -28,6 +28,9 @@ enum sbi_ext_id {
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SBI_EXT_HSM = 0x48534D,
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SBI_EXT_SRST = 0x53525354,
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SBI_EXT_PMU = 0x504D55,
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SBI_EXT_DBCN = 0x4442434E,
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SBI_EXT_SUSP = 0x53555350,
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SBI_EXT_CPPC = 0x43505043,
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};
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enum sbi_ext_base_fid {
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@ -89,6 +92,12 @@ enum sbi_srst_reset_reason {
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SBI_SRST_RESET_REASON_SYS_FAILURE,
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};
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enum sbi_ext_dbcn_fid {
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SBI_EXT_DBCN_CONSOLE_WRITE = 0,
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SBI_EXT_DBCN_CONSOLE_READ,
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SBI_EXT_DBCN_CONSOLE_WRITE_BYTE,
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};
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#ifdef CONFIG_SBI_V01
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#define SBI_EXT_SET_TIMER SBI_EXT_0_1_SET_TIMER
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#define SBI_FID_SET_TIMER 0
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@ -46,6 +46,9 @@ static struct sbi_ext extensions[] = {
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{ SBI_EXT_HSM, "Hart State Management Extension" },
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{ SBI_EXT_SRST, "System Reset Extension" },
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{ SBI_EXT_PMU, "Performance Monitoring Unit Extension" },
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{ SBI_EXT_DBCN, "Debug Console Extension" },
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{ SBI_EXT_SUSP, "System Suspend Extension" },
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{ SBI_EXT_CPPC, "Collaborative Processor Performance Control Extension" },
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};
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static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,
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