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| author | Tom Rini <trini@konsulko.com> | 2018-01-30 10:09:01 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-01-30 10:09:01 -0500 |
| commit | f1554b28d31250df5418254e79e0bf75ff3b2e54 (patch) | |
| tree | da4d313fa10648a052f132df1432a860b9cffd18 /arch/x86/lib/acpi_table.c | |
| parent | eef11acebaa48e241e9187c717dc92d3e175c119 (diff) | |
| parent | e21b04fec465c84a51ca6fc6450263e0c0953fcb (diff) | |
Merge git://git.denx.de/u-boot-x86
Diffstat (limited to 'arch/x86/lib/acpi_table.c')
| -rw-r--r-- | arch/x86/lib/acpi_table.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index 3eb101105b8..0d448cffc94 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -27,6 +27,9 @@ */ extern const unsigned char AmlCode[]; +/* ACPI RSDP address to be used in boot parameters */ +static ulong acpi_rsdp_addr; + static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt, struct acpi_xsdt *xsdt) { @@ -357,8 +360,7 @@ void enter_acpi_mode(int pm1_cnt) } /* - * QEMU's version of write_acpi_tables is defined in - * arch/x86/cpu/qemu/acpi_table.c + * QEMU's version of write_acpi_tables is defined in drivers/misc/qfw.c */ ulong write_acpi_tables(ulong start) { @@ -461,6 +463,7 @@ ulong write_acpi_tables(ulong start) debug("current = %x\n", current); + acpi_rsdp_addr = (unsigned long)rsdp; debug("ACPI: done\n"); /* Don't touch ACPI hardware on HW reduced platforms */ @@ -476,6 +479,11 @@ ulong write_acpi_tables(ulong start) return current; } +ulong acpi_get_rsdp_addr(void) +{ + return acpi_rsdp_addr; +} + static struct acpi_rsdp *acpi_valid_rsdp(struct acpi_rsdp *rsdp) { if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) |