threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_OLPC_OFW_H
|
|
#define _ASM_X86_OLPC_OFW_H
|
|
|
|
/* index into the page table containing the entry OFW occupies */
|
|
#define OLPC_OFW_PDE_NR 1022
|
|
|
|
#define OLPC_OFW_SIG 0x2057464F /* aka "OFW " */
|
|
|
|
#ifdef CONFIG_OLPC
|
|
|
|
extern bool olpc_ofw_is_installed(void);
|
|
|
|
/* run an OFW command by calling into the firmware */
|
|
#define olpc_ofw(name, args, res) \
|
|
__olpc_ofw((name), ARRAY_SIZE(args), args, ARRAY_SIZE(res), res)
|
|
|
|
extern int __olpc_ofw(const char *name, int nr_args, const void **args, int nr_res,
|
|
void **res);
|
|
|
|
/* determine whether OFW is available and lives in the proper memory */
|
|
extern void olpc_ofw_detect(void);
|
|
|
|
/* install OFW's pde permanently into the kernel's pgtable */
|
|
extern void setup_olpc_ofw_pgd(void);
|
|
|
|
/* check if OFW was detected during boot */
|
|
extern bool olpc_ofw_present(void);
|
|
|
|
extern void olpc_dt_build_devicetree(void);
|
|
|
|
#else /* !CONFIG_OLPC */
|
|
static inline void olpc_ofw_detect(void) { }
|
|
static inline void setup_olpc_ofw_pgd(void) { }
|
|
static inline void olpc_dt_build_devicetree(void) { }
|
|
#endif /* !CONFIG_OLPC */
|
|
|
|
#endif /* _ASM_X86_OLPC_OFW_H */
|