diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/utils.c')
-rw-r--r-- | arch/arm/cpu/armv7/omap-common/utils.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/utils.c b/arch/arm/cpu/armv7/omap-common/utils.c deleted file mode 100644 index 2d03ebf..0000000 --- a/arch/arm/cpu/armv7/omap-common/utils.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright 2011 Linaro Limited - * Aneesh V <aneesh@ti.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <asm/arch/sys_proto.h> -static void do_cancel_out(u32 *num, u32 *den, u32 factor) -{ - while (1) { - if (((*num)/factor*factor == (*num)) && - ((*den)/factor*factor == (*den))) { - (*num) /= factor; - (*den) /= factor; - } else - break; - } -} - -/* - * Cancel out the denominator and numerator of a fraction - * to get smaller numerator and denominator. - */ -void cancel_out(u32 *num, u32 *den, u32 den_limit) -{ - do_cancel_out(num, den, 2); - do_cancel_out(num, den, 3); - do_cancel_out(num, den, 5); - do_cancel_out(num, den, 7); - do_cancel_out(num, den, 11); - do_cancel_out(num, den, 13); - do_cancel_out(num, den, 17); - while ((*den) > den_limit) { - *num /= 2; - /* - * Round up the denominator so that the final fraction - * (num/den) is always <= the desired value - */ - *den = (*den + 1) / 2; - } -} - -__weak void omap_die_id(unsigned int *die_id) -{ - die_id[0] = die_id[1] = die_id[2] = die_id[3] = 0; -} - -void omap_die_id_serial(void) -{ - unsigned int die_id[4] = { 0 }; - char serial_string[17] = { 0 }; - - omap_die_id((unsigned int *)&die_id); - - if (!getenv("serial#")) { - snprintf(serial_string, sizeof(serial_string), - "%08x%08x", die_id[0], die_id[3]); - - setenv("serial#", serial_string); - } -} - -void omap_die_id_get_board_serial(struct tag_serialnr *serialnr) -{ - char *serial_string; - unsigned long long serial; - - serial_string = getenv("serial#"); - - if (serial_string) { - serial = simple_strtoull(serial_string, NULL, 16); - - serialnr->high = (unsigned int) (serial >> 32); - serialnr->low = (unsigned int) (serial & 0xffffffff); - } else { - serialnr->high = 0; - serialnr->low = 0; - } -} - -void omap_die_id_usbethaddr(void) -{ - unsigned int die_id[4] = { 0 }; - unsigned char mac[6] = { 0 }; - - omap_die_id((unsigned int *)&die_id); - - if (!getenv("usbethaddr")) { - /* - * Create a fake MAC address from the processor ID code. - * First byte is 0x02 to signify locally administered. - */ - mac[0] = 0x02; - mac[1] = die_id[3] & 0xff; - mac[2] = die_id[2] & 0xff; - mac[3] = die_id[1] & 0xff; - mac[4] = die_id[0] & 0xff; - mac[5] = (die_id[0] >> 8) & 0xff; - - eth_setenv_enetaddr("usbethaddr", mac); - } -} - -void omap_die_id_display(void) -{ - unsigned int die_id[4] = { 0 }; - - omap_die_id(die_id); - - printf("OMAP die ID: %08x%08x%08x%08x\n", die_id[3], die_id[2], - die_id[1], die_id[0]); -} |