1 // SPDX-License-Identifier: GPL-2.0
2
3 /*
4 * Microcode patches for the CPM as supplied by Motorola.
5 */
6
7 #include <linux/string.h>
8 #include <linux/io.h>
9 #include <asm/immap_8xx.h>
10 #include <asm/cpm_8xx.h>
11
12 /*
13 * USB SOF patch arrays.
14 */
15 static uint patch_2000[] = {
16 0x7fff0000, 0x7ffd0000, 0x7ffb0000, 0x49f7ba5b,
17 0xba383ffb, 0xf9b8b46d, 0xe5ab4e07, 0xaf77bffe,
18 0x3f7bbf79, 0xba5bba38, 0xe7676076, 0x60750000
19 };
20
21 static uint patch_2f00[] = {
22 0x3030304c, 0xcab9e441, 0xa1aaf220
23 };
24
cpm_load_patch(cpm8xx_t __iomem * cp)25 void cpm_load_patch(cpm8xx_t __iomem *cp)
26 {
27 out_be16(&cp->cp_rccr, 0);
28
29 memcpy_toio(cp->cp_dpmem, patch_2000, sizeof(patch_2000));
30 memcpy_toio(cp->cp_dpmem + 0xf00, patch_2f00, sizeof(patch_2f00));
31
32 out_be16(&cp->cp_cpmcr1, 0);
33 out_be16(&cp->cp_cpmcr2, 0);
34 out_be16(&cp->cp_cpmcr3, 0);
35 out_be16(&cp->cp_cpmcr4, 0);
36
37 out_be16(&cp->cp_rccr, 9);
38 }
39