1*36d40290SMike Rapoport /* SPDX-License-Identifier: GPL-2.0 */ 2*36d40290SMike Rapoport #ifndef _ASM_ALPHA_SPARSEMEM_H 3*36d40290SMike Rapoport #define _ASM_ALPHA_SPARSEMEM_H 4*36d40290SMike Rapoport 5*36d40290SMike Rapoport #ifdef CONFIG_SPARSEMEM 6*36d40290SMike Rapoport 7*36d40290SMike Rapoport #define SECTION_SIZE_BITS 27 8*36d40290SMike Rapoport 9*36d40290SMike Rapoport /* 10*36d40290SMike Rapoport * According to "Alpha Architecture Reference Manual" physical 11*36d40290SMike Rapoport * addresses are at most 48 bits. 12*36d40290SMike Rapoport * https://download.majix.org/dec/alpha_arch_ref.pdf 13*36d40290SMike Rapoport */ 14*36d40290SMike Rapoport #define MAX_PHYSMEM_BITS 48 15*36d40290SMike Rapoport 16*36d40290SMike Rapoport #endif /* CONFIG_SPARSEMEM */ 17*36d40290SMike Rapoport 18*36d40290SMike Rapoport #endif /* _ASM_ALPHA_SPARSEMEM_H */ 19