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https://github.com/brain-hackers/u-boot-brain
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![Simon Glass](/assets/img/avatar_default.png)
This header file is now only used by files that access internal environment features. Drop it from various places where it is not needed. Acked-by: Joe Hershberger <joe.hershberger@ni.com> Signed-off-by: Simon Glass <sjg@chromium.org>
250 lines
5.1 KiB
C
250 lines
5.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2011 Linaro Limited
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* Aneesh V <aneesh@ti.com>
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*/
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#include <common.h>
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#include <env.h>
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#include <asm/setup.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/omap_common.h>
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static void do_cancel_out(u32 *num, u32 *den, u32 factor)
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{
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while (1) {
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if (((*num)/factor*factor == (*num)) &&
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((*den)/factor*factor == (*den))) {
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(*num) /= factor;
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(*den) /= factor;
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} else
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break;
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}
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}
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#ifdef CONFIG_FASTBOOT_FLASH
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static void omap_set_fastboot_cpu(void)
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{
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char *cpu;
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u32 cpu_rev = omap_revision();
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switch (cpu_rev) {
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case DRA762_ES1_0:
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case DRA762_ABZ_ES1_0:
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case DRA762_ACD_ES1_0:
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cpu = "DRA762";
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break;
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case DRA752_ES1_0:
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case DRA752_ES1_1:
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case DRA752_ES2_0:
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cpu = "DRA752";
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break;
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case DRA722_ES1_0:
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case DRA722_ES2_0:
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case DRA722_ES2_1:
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cpu = "DRA722";
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break;
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default:
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cpu = NULL;
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printf("Warning: fastboot.cpu: unknown CPU rev: %u\n", cpu_rev);
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}
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env_set("fastboot.cpu", cpu);
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}
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static void omap_set_fastboot_secure(void)
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{
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const char *secure;
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u32 dev = get_device_type();
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switch (dev) {
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case EMU_DEVICE:
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secure = "EMU";
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break;
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case HS_DEVICE:
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secure = "HS";
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break;
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case GP_DEVICE:
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secure = "GP";
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break;
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default:
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secure = NULL;
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printf("Warning: fastboot.secure: unknown CPU sec: %u\n", dev);
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}
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env_set("fastboot.secure", secure);
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}
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static void omap_set_fastboot_board_rev(void)
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{
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const char *board_rev;
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board_rev = env_get("board_rev");
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if (board_rev == NULL)
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printf("Warning: fastboot.board_rev: unknown board revision\n");
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env_set("fastboot.board_rev", board_rev);
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}
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#ifdef CONFIG_FASTBOOT_FLASH_MMC
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static u32 omap_mmc_get_part_size(const char *part)
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{
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int res;
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struct blk_desc *dev_desc;
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disk_partition_t info;
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u64 sz = 0;
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dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
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if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
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pr_err("invalid mmc device\n");
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return 0;
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}
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/* Check only for EFI (GPT) partition table */
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res = part_get_info_by_name_type(dev_desc, part, &info, PART_TYPE_EFI);
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if (res < 0)
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return 0;
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/* Calculate size in bytes */
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sz = (info.size * (u64)info.blksz);
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/* to KiB */
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sz >>= 10;
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return (u32)sz;
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}
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static void omap_set_fastboot_userdata_size(void)
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{
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char buf[16];
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u32 sz_kb;
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sz_kb = omap_mmc_get_part_size("userdata");
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if (sz_kb == 0)
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return; /* probably it's not Android partition table */
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sprintf(buf, "%u", sz_kb);
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env_set("fastboot.userdata_size", buf);
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}
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#else
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static inline void omap_set_fastboot_userdata_size(void)
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{
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}
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#endif /* CONFIG_FASTBOOT_FLASH_MMC */
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static void omap_set_fastboot_product(void)
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{
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const char *board_name;
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board_name = env_get("board_name");
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if (board_name == NULL)
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printf("Warning: fastboot.product: unknown board\n");
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env_set("fastboot.product", board_name);
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}
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void omap_set_fastboot_vars(void)
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{
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omap_set_fastboot_cpu();
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omap_set_fastboot_secure();
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omap_set_fastboot_board_rev();
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omap_set_fastboot_userdata_size();
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omap_set_fastboot_product();
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}
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#endif /* CONFIG_FASTBOOT_FLASH */
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/*
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* Cancel out the denominator and numerator of a fraction
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* to get smaller numerator and denominator.
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*/
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void cancel_out(u32 *num, u32 *den, u32 den_limit)
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{
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do_cancel_out(num, den, 2);
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do_cancel_out(num, den, 3);
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do_cancel_out(num, den, 5);
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do_cancel_out(num, den, 7);
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do_cancel_out(num, den, 11);
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do_cancel_out(num, den, 13);
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do_cancel_out(num, den, 17);
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while ((*den) > den_limit) {
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*num /= 2;
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/*
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* Round up the denominator so that the final fraction
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* (num/den) is always <= the desired value
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*/
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*den = (*den + 1) / 2;
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}
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}
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__weak void omap_die_id(unsigned int *die_id)
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{
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die_id[0] = die_id[1] = die_id[2] = die_id[3] = 0;
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}
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void omap_die_id_serial(void)
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{
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unsigned int die_id[4] = { 0 };
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char serial_string[17] = { 0 };
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omap_die_id((unsigned int *)&die_id);
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if (!env_get("serial#")) {
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snprintf(serial_string, sizeof(serial_string),
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"%08x%08x", die_id[0], die_id[3]);
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env_set("serial#", serial_string);
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}
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}
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void omap_die_id_get_board_serial(struct tag_serialnr *serialnr)
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{
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char *serial_string;
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unsigned long long serial;
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serial_string = env_get("serial#");
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if (serial_string) {
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serial = simple_strtoull(serial_string, NULL, 16);
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serialnr->high = (unsigned int) (serial >> 32);
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serialnr->low = (unsigned int) (serial & 0xffffffff);
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} else {
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serialnr->high = 0;
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serialnr->low = 0;
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}
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}
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void omap_die_id_usbethaddr(void)
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{
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unsigned int die_id[4] = { 0 };
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unsigned char mac[6] = { 0 };
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omap_die_id((unsigned int *)&die_id);
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if (!env_get("usbethaddr")) {
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/*
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* Create a fake MAC address from the processor ID code.
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* First byte is 0x02 to signify locally administered.
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*/
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mac[0] = 0x02;
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mac[1] = die_id[3] & 0xff;
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mac[2] = die_id[2] & 0xff;
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mac[3] = die_id[1] & 0xff;
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mac[4] = die_id[0] & 0xff;
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mac[5] = (die_id[0] >> 8) & 0xff;
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eth_env_set_enetaddr("usbethaddr", mac);
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if (!env_get("ethaddr"))
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eth_env_set_enetaddr("ethaddr", mac);
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}
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}
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void omap_die_id_display(void)
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{
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unsigned int die_id[4] = { 0 };
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omap_die_id(die_id);
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printf("OMAP die ID: %08x%08x%08x%08x\n", die_id[3], die_id[2],
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die_id[1], die_id[0]);
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}
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