This code has been unused since the removal of the "omap2" platforms, remove. Signed-off-by: Tom Rini <trini@konsulko.com>master
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#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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obj-y = timer.o
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obj-$(CONFIG_DISPLAY_CPUINFO) += cpuinfo.o
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obj-y += reset.o
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@ -1,242 +0,0 @@ |
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/*
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* OMAP1 CPU identification code |
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* |
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* Copyright (C) 2004 Nokia Corporation |
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* Written by Tony Lindgren <tony@atomide.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <linux/compiler.h> |
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#if defined(CONFIG_OMAP) |
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#define omap_readw(x) *(volatile unsigned short *)(x) |
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#define omap_readl(x) *(volatile unsigned long *)(x) |
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#define OMAP_DIE_ID_0 0xfffe1800 |
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#define OMAP_DIE_ID_1 0xfffe1804 |
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#define OMAP_PRODUCTION_ID_0 0xfffe2000 |
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#define OMAP_PRODUCTION_ID_1 0xfffe2004 |
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#define OMAP32_ID_0 0xfffed400 |
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#define OMAP32_ID_1 0xfffed404 |
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struct omap_id { |
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u16 jtag_id; /* Used to determine OMAP type */ |
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u8 die_rev; /* Processor revision */ |
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u32 omap_id; /* OMAP revision */ |
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u32 type; /* Cpu id bits [31:08], cpu class bits [07:00] */ |
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}; |
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/* Register values to detect the OMAP version */ |
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static struct omap_id omap_ids[] = { |
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{ .jtag_id = 0xb574, .die_rev = 0x2, .omap_id = 0x03310315, .type = 0x03100000}, |
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{ .jtag_id = 0x355f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300100}, |
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{ .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300300}, |
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{ .jtag_id = 0xb470, .die_rev = 0x0, .omap_id = 0x03310100, .type = 0x15100000}, |
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{ .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x16100000}, |
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{ .jtag_id = 0xb576, .die_rev = 0x2, .omap_id = 0x03320100, .type = 0x16110000}, |
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{ .jtag_id = 0xb576, .die_rev = 0x3, .omap_id = 0x03320100, .type = 0x16100c00}, |
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{ .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320200, .type = 0x16100d00}, |
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{ .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00}, |
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{ .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00}, |
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{ .jtag_id = 0xb576, .die_rev = 0x1, .omap_id = 0x03320100, .type = 0x16110000}, |
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{ .jtag_id = 0xb58c, .die_rev = 0x2, .omap_id = 0x03320200, .type = 0x16110b00}, |
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{ .jtag_id = 0xb58c, .die_rev = 0x3, .omap_id = 0x03320200, .type = 0x16110c00}, |
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{ .jtag_id = 0xb65f, .die_rev = 0x0, .omap_id = 0x03320400, .type = 0x16212300}, |
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{ .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320400, .type = 0x16212300}, |
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{ .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320500, .type = 0x16212300}, |
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{ .jtag_id = 0xb5f7, .die_rev = 0x0, .omap_id = 0x03330000, .type = 0x17100000}, |
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{ .jtag_id = 0xb5f7, .die_rev = 0x1, .omap_id = 0x03330100, .type = 0x17100000}, |
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{ .jtag_id = 0xb5f7, .die_rev = 0x2, .omap_id = 0x03330100, .type = 0x17100000}, |
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}; |
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/*
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* Get OMAP type from PROD_ID. |
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* 1710 has the PROD_ID in bits 15:00, not in 16:01 as documented in TRM. |
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* 1510 PROD_ID is empty, and 1610 PROD_ID does not make sense. |
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* Undocumented register in TEST BLOCK is used as fallback; This seems to |
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* work on 1510, 1610 & 1710. The official way hopefully will work in future |
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* processors. |
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*/ |
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static u16 omap_get_jtag_id(void) |
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{ |
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u32 prod_id, omap_id; |
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prod_id = omap_readl(OMAP_PRODUCTION_ID_1); |
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omap_id = omap_readl(OMAP32_ID_1); |
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/* Check for unusable OMAP_PRODUCTION_ID_1 on 1611B/5912 and 730 */ |
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if (((prod_id >> 20) == 0) || (prod_id == omap_id)) |
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prod_id = 0; |
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else |
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prod_id &= 0xffff; |
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if (prod_id) |
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return prod_id; |
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/* Use OMAP32_ID_1 as fallback */ |
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prod_id = ((omap_id >> 12) & 0xffff); |
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return prod_id; |
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} |
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/*
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* Get OMAP revision from DIE_REV. |
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* Early 1710 processors may have broken OMAP_DIE_ID, it contains PROD_ID. |
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* Undocumented register in the TEST BLOCK is used as fallback. |
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* REVISIT: This does not seem to work on 1510 |
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*/ |
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static u8 omap_get_die_rev(void) |
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{ |
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u32 die_rev; |
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die_rev = omap_readl(OMAP_DIE_ID_1); |
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/* Check for broken OMAP_DIE_ID on early 1710 */ |
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if (((die_rev >> 12) & 0xffff) == omap_get_jtag_id()) |
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die_rev = 0; |
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die_rev = (die_rev >> 17) & 0xf; |
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if (die_rev) |
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return die_rev; |
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die_rev = (omap_readl(OMAP32_ID_1) >> 28) & 0xf; |
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return die_rev; |
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} |
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static unsigned long dpll1(void) |
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{ |
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unsigned short pll_ctl_val = omap_readw(DPLL_CTL_REG); |
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unsigned long rate; |
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rate = CONFIG_SYS_CLK_FREQ; /* Base xtal rate */ |
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if (pll_ctl_val & 0x10) { |
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/* PLL enabled, apply multiplier and divisor */ |
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if (pll_ctl_val & 0xf80) |
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rate *= (pll_ctl_val & 0xf80) >> 7; |
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rate /= ((pll_ctl_val & 0x60) >> 5) + 1; |
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} else { |
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/* PLL disabled, apply bypass divisor */ |
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switch (pll_ctl_val & 0xc) { |
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case 0: |
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break; |
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case 0x4: |
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rate /= 2; |
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break; |
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default: |
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rate /= 4; |
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break; |
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} |
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} |
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return rate; |
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} |
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static unsigned long armcore(void) |
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{ |
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unsigned short arm_ckctl = omap_readw(ARM_CKCTL); |
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return (dpll1() >> ((arm_ckctl & 0x0030) >> 4)); |
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} |
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int print_cpuinfo (void) |
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{ |
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int i; |
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u16 jtag_id; |
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u8 die_rev; |
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u32 omap_id; |
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u8 cpu_type; |
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__maybe_unused u32 system_serial_high; |
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__maybe_unused u32 system_serial_low; |
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u32 system_rev = 0; |
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jtag_id = omap_get_jtag_id(); |
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die_rev = omap_get_die_rev(); |
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omap_id = omap_readl(OMAP32_ID_0); |
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#ifdef DEBUG |
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printf("OMAP_DIE_ID_0: 0x%08x\n", omap_readl(OMAP_DIE_ID_0)); |
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printf("OMAP_DIE_ID_1: 0x%08x DIE_REV: %i\n", |
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omap_readl(OMAP_DIE_ID_1), |
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(omap_readl(OMAP_DIE_ID_1) >> 17) & 0xf); |
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printf("OMAP_PRODUCTION_ID_0: 0x%08x\n", omap_readl(OMAP_PRODUCTION_ID_0)); |
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printf("OMAP_PRODUCTION_ID_1: 0x%08x JTAG_ID: 0x%04x\n", |
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omap_readl(OMAP_PRODUCTION_ID_1), |
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omap_readl(OMAP_PRODUCTION_ID_1) & 0xffff); |
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printf("OMAP32_ID_0: 0x%08x\n", omap_readl(OMAP32_ID_0)); |
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printf("OMAP32_ID_1: 0x%08x\n", omap_readl(OMAP32_ID_1)); |
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printf("JTAG_ID: 0x%04x DIE_REV: %i\n", jtag_id, die_rev); |
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#endif |
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system_serial_high = omap_readl(OMAP_DIE_ID_0); |
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system_serial_low = omap_readl(OMAP_DIE_ID_1); |
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/* First check only the major version in a safe way */ |
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for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { |
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if (jtag_id == (omap_ids[i].jtag_id)) { |
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system_rev = omap_ids[i].type; |
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break; |
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} |
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} |
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/* Check if we can find the die revision */ |
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for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { |
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if (jtag_id == omap_ids[i].jtag_id && die_rev == omap_ids[i].die_rev) { |
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system_rev = omap_ids[i].type; |
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break; |
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} |
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} |
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/* Finally check also the omap_id */ |
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for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { |
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if (jtag_id == omap_ids[i].jtag_id |
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&& die_rev == omap_ids[i].die_rev |
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&& omap_id == omap_ids[i].omap_id) { |
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system_rev = omap_ids[i].type; |
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break; |
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} |
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} |
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/* Add the cpu class info (7xx, 15xx, 16xx, 24xx) */ |
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cpu_type = system_rev >> 24; |
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switch (cpu_type) { |
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case 0x07: |
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system_rev |= 0x07; |
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break; |
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case 0x03: |
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case 0x15: |
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system_rev |= 0x15; |
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break; |
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case 0x16: |
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case 0x17: |
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system_rev |= 0x16; |
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break; |
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case 0x24: |
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system_rev |= 0x24; |
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break; |
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default: |
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printf("Unknown OMAP cpu type: 0x%02x\n", cpu_type); |
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} |
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printf("CPU: OMAP%04x", system_rev >> 16); |
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if ((system_rev >> 8) & 0xff) |
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printf("%x", (system_rev >> 8) & 0xff); |
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#ifdef DEBUG |
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printf(" revision %i handled as %02xxx id: %08x%08x", |
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die_rev, system_rev & 0xff, system_serial_low, system_serial_high); |
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#endif |
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printf(" at %ld.%01ld MHz (DPLL1=%ld.%01ld MHz)\n", |
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armcore() / 1000000, (armcore() / 100000) % 10, |
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dpll1() / 1000000, (dpll1() / 100000) % 10); |
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return 0; |
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} |
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#endif /* #if defined(CONFIG_OMAP) */ |
@ -1,29 +0,0 @@ |
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/* |
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* armboot - Startup Code for ARM926EJS CPU-core |
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* |
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* Copyright (c) 2003 Texas Instruments |
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* |
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* ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------ |
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* |
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* Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
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* Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
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* Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
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* Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
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* Copyright (c) 2003 Kshitij <kshitij@ti.com>
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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.align 5
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.globl reset_cpu
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reset_cpu: |
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ldr r1, rstctl1 /* get clkm1 reset ctl */ |
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mov r3, #0x0 |
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strh r3, [r1] /* clear it */ |
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mov r3, #0x8 |
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strh r3, [r1] /* force dsp+arm reset */ |
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_loop_forever: |
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b _loop_forever |
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rstctl1: |
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.word 0xfffece10
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@ -1,152 +0,0 @@ |
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/*
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* (C) Copyright 2003 |
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* Texas Instruments <www.ti.com> |
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* |
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* (C) Copyright 2002 |
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
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* Marius Groeger <mgroeger@sysgo.de> |
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* |
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* (C) Copyright 2002 |
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
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* Alex Zuepke <azu@sysgo.de> |
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* |
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* (C) Copyright 2002-2004 |
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* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> |
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* |
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* (C) Copyright 2004 |
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* Philippe Robin, ARM Ltd. <philippe.robin@arm.com> |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <common.h> |
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#include <asm/io.h> |
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#define TIMER_CLOCK (CONFIG_SYS_CLK_FREQ / (2 << CONFIG_SYS_PTV)) |
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#define TIMER_LOAD_VAL 0xffffffff |
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/* macro to read the 32 bit timer */ |
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#define READ_TIMER readl(CONFIG_SYS_TIMERBASE+8) \ |
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/ (TIMER_CLOCK / CONFIG_SYS_HZ) |
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DECLARE_GLOBAL_DATA_PTR; |
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#define timestamp gd->arch.tbl |
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#define lastdec gd->arch.lastinc |
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int timer_init (void) |
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{ |
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int32_t val; |
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/* Start the decrementer ticking down from 0xffffffff */ |
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*((int32_t *) (CONFIG_SYS_TIMERBASE + LOAD_TIM)) = TIMER_LOAD_VAL; |
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val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE | (CONFIG_SYS_PTV << MPUTIM_PTV_BIT); |
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*((int32_t *) (CONFIG_SYS_TIMERBASE + CNTL_TIMER)) = val; |
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/* init the timestamp and lastdec value */ |
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reset_timer_masked(); |
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return 0; |
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} |
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/*
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* timer without interrupts |
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*/ |
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ulong get_timer (ulong base) |
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{ |
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return get_timer_masked () - base; |
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} |
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/* delay x useconds AND preserve advance timestamp value */ |
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void __udelay (unsigned long usec) |
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{ |
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ulong tmo, tmp; |
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if(usec >= 1000){ /* if "big" number, spread normalization to seconds */ |
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tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ |
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tmo *= CONFIG_SYS_HZ; /* find number of "ticks" to wait to achieve target */ |
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tmo /= 1000; /* finish normalize. */ |
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}else{ /* else small number, don't kill it prior to HZ multiply */ |
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tmo = usec * CONFIG_SYS_HZ; |
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tmo /= (1000*1000); |
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} |
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tmp = get_timer (0); /* get current timestamp */ |
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if( (tmo + tmp + 1) < tmp ) /* if setting this fordward will roll time stamp */ |
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reset_timer_masked (); /* reset "advancing" timestamp to 0, set lastdec value */ |
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else |
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tmo += tmp; /* else, set advancing stamp wake up time */ |
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while (get_timer_masked () < tmo)/* loop till event */ |
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/*NOP*/; |
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} |
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void reset_timer_masked (void) |
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{ |
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/* reset time */ |
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lastdec = READ_TIMER; /* capure current decrementer value time */ |
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timestamp = 0; /* start "advancing" time stamp from 0 */ |
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} |
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ulong get_timer_masked (void) |
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{ |
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ulong now = READ_TIMER; /* current tick value */ |
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if (lastdec >= now) { /* normal mode (non roll) */ |
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/* normal mode */ |
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timestamp += lastdec - now; /* move stamp fordward with absoulte diff ticks */ |
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} else { /* we have overflow of the count down timer */ |
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/* nts = ts + ld + (TLV - now)
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* ts=old stamp, ld=time that passed before passing through -1 |
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* (TLV-now) amount of time after passing though -1 |
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* nts = new "advancing time stamp"...it could also roll and cause problems. |
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*/ |
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timestamp += lastdec + (TIMER_LOAD_VAL / (TIMER_CLOCK / |
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CONFIG_SYS_HZ)) - now; |
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} |
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lastdec = now; |
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return timestamp; |
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} |
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/* waits specified delay value and resets timestamp */ |
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void udelay_masked (unsigned long usec) |
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{ |
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ulong tmo; |
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ulong endtime; |
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signed long diff; |
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if (usec >= 1000) { /* if "big" number, spread normalization to seconds */ |
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tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ |
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tmo *= CONFIG_SYS_HZ; /* find number of "ticks" to wait to achieve target */ |
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tmo /= 1000; /* finish normalize. */ |
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} else { /* else small number, don't kill it prior to HZ multiply */ |
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tmo = usec * CONFIG_SYS_HZ; |
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tmo /= (1000*1000); |
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} |
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endtime = get_timer_masked () + tmo; |
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do { |
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ulong now = get_timer_masked (); |
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diff = endtime - now; |
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} while (diff >= 0); |
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} |
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/*
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* This function is derived from PowerPC code (read timebase as long long). |
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* On ARM it just returns the timer value. |
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*/ |
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unsigned long long get_ticks(void) |
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{ |
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return get_timer(0); |
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} |
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/*
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* This function is derived from PowerPC code (timebase clock frequency). |
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* On ARM it returns the number of timer ticks per second. |
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*/ |
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ulong get_tbclk (void) |
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{ |
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return CONFIG_SYS_HZ; |
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} |
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