projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 09c434b8 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 1da177e4 LT |
2 | /* |
| 3 | * UniNorth AGPGART routines. | |
| 4 | */ | |
| 5 | #include <linux/module.h> | |
| 6 | #include <linux/pci.h> | |
| 5a0e3ad6 | 7 | #include <linux/slab.h> |
| 1da177e4 LT |
8 | #include <linux/init.h> |
| 9 | #include <linux/pagemap.h> | |
| 10 | #include <linux/agp_backend.h> | |
| 11 | #include <linux/delay.h> | |
| e8a5f900 | 12 | #include <linux/vmalloc.h> |
| 1da177e4 | 13 | #include <asm/uninorth.h> |
| 1da177e4 | 14 | #include <asm/prom.h> |
| 0c541b44 | 15 | #include <asm/pmac_feature.h> |
| 1da177e4 LT |
16 | #include "agp.h" |
| 17 | ||
| 18 | /* | |
| 19 | * NOTES for uninorth3 (G5 AGP) supports : | |
| 20 | * | |
| 21 | * There maybe also possibility to have bigger cache line size for | |
| 22 | * agp (see pmac_pci.c and look for cache line). Need to be investigated | |
| 23 | * by someone. | |
| 24 | * | |
| 25 | * PAGE size are hardcoded but this may change, see asm/page.h. | |
| 26 | * | |
| 27 | * Jerome Glisse <j.glisse@gmail.com> | |
| 28 | */ | |
| 29 | static int uninorth_rev; | |
| 30 | static int is_u3; | |
| 61cf0593 | 31 | static u32 scratch_value; |
| 1da177e4 | 32 | |
| 52f072cb MD |
33 | #define DEFAULT_APERTURE_SIZE 256 |
| 34 | #define DEFAULT_APERTURE_STRING "256" | |
| b0385146 | 35 | static char *aperture = NULL; |
| 0c541b44 | 36 | |
| 1da177e4 LT |
37 | static int uninorth_fetch_size(void) |
| 38 | { | |