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Commit | Line | Data |
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095aea29 A |
1 | /* |
2 | * Copyright 2011 Linaro Limited | |
3 | * Aneesh V <aneesh@ti.com> | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
095aea29 A |
6 | */ |
7 | #include <common.h> | |
5d982856 | 8 | #include <asm/setup.h> |
8a0c6d6f | 9 | #include <asm/arch/sys_proto.h> |
095aea29 A |
10 | static void do_cancel_out(u32 *num, u32 *den, u32 factor) |
11 | { | |
12 | while (1) { | |
13 | if (((*num)/factor*factor == (*num)) && | |
14 | ((*den)/factor*factor == (*den))) { | |
15 | (*num) /= factor; | |
16 | (*den) /= factor; | |
17 | } else | |
18 | break; | |
19 | } | |
20 | } | |
21 | ||
fa24eca1 SP |
22 | #ifdef CONFIG_FASTBOOT_FLASH |
23 | static void omap_set_fastboot_cpu(void) | |
24 | { | |
25 | char *cpu; | |
26 | u32 cpu_rev = omap_revision(); | |
27 | ||
28 | switch (cpu_rev) { | |
9b46ce8c PB |
29 | case DRA762_ES1_0: |
30 | cpu = "DRA762"; | |
31 | break; | |
fa24eca1 SP |
32 | case DRA752_ES1_0: |
33 | case DRA752_ES1_1: | |
34 | case DRA752_ES2_0: | |
35 | cpu = "DRA752"; | |
36 | break; | |
37 | case DRA722_ES1_0: | |
38 | case DRA722_ES2_0: | |
b6df9359 | 39 | case DRA722_ES2_1: |
fa24eca1 SP |
40 | cpu = "DRA722"; |
41 | break; | |
42 | default: | |
43 | cpu = NULL; | |
44 | printf("Warning: fastboot.cpu: unknown CPU rev: %u\n", cpu_rev); | |
45 | } | |
46 | ||
382bee57 | 47 | env_set("fastboot.cpu", cpu); |
fa24eca1 SP |
48 | } |
49 | ||
50 | static void omap_set_fastboot_secure(void) | |
51 | { | |
52 | const char *secure; | |
53 | u32 dev = get_device_type(); | |
54 | ||
55 | switch (dev) { | |
56 | case EMU_DEVICE: | |
57 | secure = "EMU"; | |
58 | break; | |
59 | case HS_DEVICE: | |
60 | secure = "HS"; | |
61 | break; | |
62 | case GP_DEVICE: | |
63 | secure = "GP"; | |
64 | break; | |
65 | default: | |
66 | secure = NULL; | |
67 | printf("Warning: fastboot.secure: unknown CPU sec: %u\n", dev); | |
68 | } | |
69 | ||
382bee57 | 70 | env_set("fastboot.secure", secure); |
fa24eca1 SP |
71 | } |
72 | ||
73 | static void omap_set_fastboot_board_rev(void) | |
74 | { | |
75 | const char *board_rev; | |
76 | ||
00caae6d | 77 | board_rev = env_get("board_rev"); |
fa24eca1 SP |
78 | if (board_rev == NULL) |
79 | printf("Warning: fastboot.board_rev: unknown board revision\n"); | |
80 | ||
382bee57 | 81 | env_set("fastboot.board_rev", board_rev); |
fa24eca1 SP |
82 | } |
83 | ||
84 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV | |
85 | static u32 omap_mmc_get_part_size(const char *part) | |
86 | { | |
87 | int res; | |
88 | struct blk_desc *dev_desc; | |
89 | disk_partition_t info; | |
90 | u64 sz = 0; | |
91 | ||
92 | dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV); | |
93 | if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) { | |
9b643e31 | 94 | pr_err("invalid mmc device\n"); |
fa24eca1 SP |
95 | return 0; |
96 | } | |
97 | ||
26857766 SP |
98 | /* Check only for EFI (GPT) partition table */ |
99 | res = part_get_info_by_name_type(dev_desc, part, &info, PART_TYPE_EFI); | |
19d141a0 | 100 | if (res < 0) |
fa24eca1 | 101 | return 0; |
fa24eca1 SP |
102 | |
103 | /* Calculate size in bytes */ | |
104 | sz = (info.size * (u64)info.blksz); | |
105 | /* to KiB */ | |
106 | sz >>= 10; | |
107 | ||
108 | return (u32)sz; | |
109 | } | |
110 | ||
111 | static void omap_set_fastboot_userdata_size(void) | |
112 | { | |
113 | char buf[16]; | |
114 | u32 sz_kb; | |
115 | ||
116 | sz_kb = omap_mmc_get_part_size("userdata"); | |
19d141a0 SP |
117 | if (sz_kb == 0) |
118 | return; /* probably it's not Android partition table */ | |
fa24eca1 | 119 | |
19d141a0 | 120 | sprintf(buf, "%u", sz_kb); |
382bee57 | 121 | env_set("fastboot.userdata_size", buf); |
fa24eca1 SP |
122 | } |
123 | #else | |
124 | static inline void omap_set_fastboot_userdata_size(void) | |
125 | { | |
126 | } | |
127 | #endif /* CONFIG_FASTBOOT_FLASH_MMC_DEV */ | |
128 | void omap_set_fastboot_vars(void) | |
129 | { | |
130 | omap_set_fastboot_cpu(); | |
131 | omap_set_fastboot_secure(); | |
132 | omap_set_fastboot_board_rev(); | |
133 | omap_set_fastboot_userdata_size(); | |
134 | } | |
135 | #endif /* CONFIG_FASTBOOT_FLASH */ | |
136 | ||
095aea29 A |
137 | /* |
138 | * Cancel out the denominator and numerator of a fraction | |
139 | * to get smaller numerator and denominator. | |
140 | */ | |
141 | void cancel_out(u32 *num, u32 *den, u32 den_limit) | |
142 | { | |
143 | do_cancel_out(num, den, 2); | |
144 | do_cancel_out(num, den, 3); | |
145 | do_cancel_out(num, den, 5); | |
146 | do_cancel_out(num, den, 7); | |
147 | do_cancel_out(num, den, 11); | |
148 | do_cancel_out(num, den, 13); | |
149 | do_cancel_out(num, den, 17); | |
150 | while ((*den) > den_limit) { | |
151 | *num /= 2; | |
152 | /* | |
153 | * Round up the denominator so that the final fraction | |
154 | * (num/den) is always <= the desired value | |
155 | */ | |
156 | *den = (*den + 1) / 2; | |
157 | } | |
158 | } | |
8a0c6d6f | 159 | |
72931b15 PK |
160 | __weak void omap_die_id(unsigned int *die_id) |
161 | { | |
162 | die_id[0] = die_id[1] = die_id[2] = die_id[3] = 0; | |
163 | } | |
164 | ||
07815eb9 | 165 | void omap_die_id_serial(void) |
8a0c6d6f | 166 | { |
07815eb9 PK |
167 | unsigned int die_id[4] = { 0 }; |
168 | char serial_string[17] = { 0 }; | |
8a0c6d6f | 169 | |
07815eb9 | 170 | omap_die_id((unsigned int *)&die_id); |
8a0c6d6f | 171 | |
00caae6d | 172 | if (!env_get("serial#")) { |
07815eb9 PK |
173 | snprintf(serial_string, sizeof(serial_string), |
174 | "%08x%08x", die_id[0], die_id[3]); | |
175 | ||
382bee57 | 176 | env_set("serial#", serial_string); |
8a0c6d6f NM |
177 | } |
178 | } | |
f12467d1 | 179 | |
2da87ab3 PK |
180 | void omap_die_id_get_board_serial(struct tag_serialnr *serialnr) |
181 | { | |
182 | char *serial_string; | |
183 | unsigned long long serial; | |
184 | ||
00caae6d | 185 | serial_string = env_get("serial#"); |
2da87ab3 PK |
186 | |
187 | if (serial_string) { | |
188 | serial = simple_strtoull(serial_string, NULL, 16); | |
189 | ||
190 | serialnr->high = (unsigned int) (serial >> 32); | |
191 | serialnr->low = (unsigned int) (serial & 0xffffffff); | |
192 | } else { | |
193 | serialnr->high = 0; | |
194 | serialnr->low = 0; | |
195 | } | |
196 | } | |
197 | ||
07815eb9 | 198 | void omap_die_id_usbethaddr(void) |
f12467d1 | 199 | { |
07815eb9 PK |
200 | unsigned int die_id[4] = { 0 }; |
201 | unsigned char mac[6] = { 0 }; | |
f12467d1 | 202 | |
07815eb9 PK |
203 | omap_die_id((unsigned int *)&die_id); |
204 | ||
00caae6d | 205 | if (!env_get("usbethaddr")) { |
07815eb9 PK |
206 | /* |
207 | * Create a fake MAC address from the processor ID code. | |
208 | * First byte is 0x02 to signify locally administered. | |
209 | */ | |
210 | mac[0] = 0x02; | |
211 | mac[1] = die_id[3] & 0xff; | |
212 | mac[2] = die_id[2] & 0xff; | |
213 | mac[3] = die_id[1] & 0xff; | |
214 | mac[4] = die_id[0] & 0xff; | |
215 | mac[5] = (die_id[0] >> 8) & 0xff; | |
216 | ||
fd1e959e | 217 | eth_env_set_enetaddr("usbethaddr", mac); |
b59670f2 PR |
218 | |
219 | if (!env_get("ethaddr")) | |
220 | eth_env_set_enetaddr("ethaddr", mac); | |
f12467d1 DK |
221 | } |
222 | } | |
679f82c3 PK |
223 | |
224 | void omap_die_id_display(void) | |
225 | { | |
226 | unsigned int die_id[4] = { 0 }; | |
227 | ||
228 | omap_die_id(die_id); | |
229 | ||
e22455f0 LM |
230 | printf("OMAP die ID: %08x%08x%08x%08x\n", die_id[3], die_id[2], |
231 | die_id[1], die_id[0]); | |
679f82c3 | 232 | } |