ARM926EJ-S: relocate OMAP specific 'cpuinfo.c' into OMAP directory

OMAP identification is implemented in 'cpuinfo.c' and located in ARM926EJ-S directory.
It makes sense to place this file in OMAP specific subdirectory, i.e. cpu/arm926ejs/omap

Signed-off-by: Roman Mashak <romez777@gmail.com>

1 files changed, 0 insertions, 242 deletions

diff --git a/cpu/arm926ejs/cpuinfo.c b/cpu/arm926ejs/cpuinfo.c
deleted file mode 100644
index 35ba7db..0000000
--- a/cpu/arm926ejs/cpuinfo.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * OMAP1 CPU identification code
- *
- * Copyright (C) 2004 Nokia Corporation
- * Written by Tony Lindgren <tony@atomide.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <common.h>
-#include <command.h>
-#include <arm926ejs.h>
-
-#if defined(CONFIG_DISPLAY_CPUINFO) && defined(CONFIG_OMAP)
-
-#define omap_readw(x)		*(volatile unsigned short *)(x)
-#define omap_readl(x)		*(volatile unsigned long *)(x)
-
-#define OMAP_DIE_ID_0		0xfffe1800
-#define OMAP_DIE_ID_1		0xfffe1804
-#define OMAP_PRODUCTION_ID_0	0xfffe2000
-#define OMAP_PRODUCTION_ID_1	0xfffe2004
-#define OMAP32_ID_0		0xfffed400
-#define OMAP32_ID_1		0xfffed404
-
-struct omap_id {
-	u16	jtag_id;	/* Used to determine OMAP type */
-	u8	die_rev;	/* Processor revision */
-	u32	omap_id;	/* OMAP revision */
-	u32	type;		/* Cpu id bits [31:08], cpu class bits [07:00] */
-};
-
-/* Register values to detect the OMAP version */
-static struct omap_id omap_ids[] = {
-	{ .jtag_id = 0xb574, .die_rev = 0x2, .omap_id = 0x03310315, .type = 0x03100000},
-	{ .jtag_id = 0x355f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300100},
-	{ .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300300},
-	{ .jtag_id = 0xb470, .die_rev = 0x0, .omap_id = 0x03310100, .type = 0x15100000},
-	{ .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x16100000},
-	{ .jtag_id = 0xb576, .die_rev = 0x2, .omap_id = 0x03320100, .type = 0x16110000},
-	{ .jtag_id = 0xb576, .die_rev = 0x3, .omap_id = 0x03320100, .type = 0x16100c00},
-	{ .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320200, .type = 0x16100d00},
-	{ .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00},
-	{ .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00},
-	{ .jtag_id = 0xb576, .die_rev = 0x1, .omap_id = 0x03320100, .type = 0x16110000},
-	{ .jtag_id = 0xb58c, .die_rev = 0x2, .omap_id = 0x03320200, .type = 0x16110b00},
-	{ .jtag_id = 0xb58c, .die_rev = 0x3, .omap_id = 0x03320200, .type = 0x16110c00},
-	{ .jtag_id = 0xb65f, .die_rev = 0x0, .omap_id = 0x03320400, .type = 0x16212300},
-	{ .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320400, .type = 0x16212300},
-	{ .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320500, .type = 0x16212300},
-	{ .jtag_id = 0xb5f7, .die_rev = 0x0, .omap_id = 0x03330000, .type = 0x17100000},
-	{ .jtag_id = 0xb5f7, .die_rev = 0x1, .omap_id = 0x03330100, .type = 0x17100000},
-	{ .jtag_id = 0xb5f7, .die_rev = 0x2, .omap_id = 0x03330100, .type = 0x17100000},
-};
-
-/*
- * Get OMAP type from PROD_ID.
- * 1710 has the PROD_ID in bits 15:00, not in 16:01 as documented in TRM.
- * 1510 PROD_ID is empty, and 1610 PROD_ID does not make sense.
- * Undocumented register in TEST BLOCK is used as fallback; This seems to
- * work on 1510, 1610 & 1710. The official way hopefully will work in future
- * processors.
- */
-static u16 omap_get_jtag_id(void)
-{
-	u32 prod_id, omap_id;
-
-	prod_id = omap_readl(OMAP_PRODUCTION_ID_1);
-	omap_id = omap_readl(OMAP32_ID_1);
-
-	/* Check for unusable OMAP_PRODUCTION_ID_1 on 1611B/5912 and 730 */
-	if (((prod_id >> 20) == 0) || (prod_id == omap_id))
-		prod_id = 0;
-	else
-		prod_id &= 0xffff;
-
-	if (prod_id)
-		return prod_id;
-
-	/* Use OMAP32_ID_1 as fallback */
-	prod_id = ((omap_id >> 12) & 0xffff);
-
-	return prod_id;
-}
-
-/*
- * Get OMAP revision from DIE_REV.
- * Early 1710 processors may have broken OMAP_DIE_ID, it contains PROD_ID.
- * Undocumented register in the TEST BLOCK is used as fallback.
- * REVISIT: This does not seem to work on 1510
- */
-static u8 omap_get_die_rev(void)
-{
-	u32 die_rev;
-
-	die_rev = omap_readl(OMAP_DIE_ID_1);
-
-	/* Check for broken OMAP_DIE_ID on early 1710 */
-	if (((die_rev >> 12) & 0xffff) == omap_get_jtag_id())
-		die_rev = 0;
-
-	die_rev = (die_rev >> 17) & 0xf;
-	if (die_rev)
-		return die_rev;
-
-	die_rev = (omap_readl(OMAP32_ID_1) >> 28) & 0xf;
-
-	return die_rev;
-}
-
-static unsigned long dpll1(void)
-{
-	unsigned short pll_ctl_val = omap_readw(DPLL_CTL_REG);
-	unsigned long rate;
-
-	rate = CONFIG_SYS_CLK_FREQ; /* Base xtal rate */
-	if (pll_ctl_val & 0x10) {
-		/* PLL enabled, apply multiplier and divisor */
-		if (pll_ctl_val & 0xf80)
-			rate *= (pll_ctl_val & 0xf80) >> 7;
-		rate /= ((pll_ctl_val & 0x60) >> 5) + 1;
-	} else {
-		/* PLL disabled, apply bypass divisor */
-		switch (pll_ctl_val & 0xc) {
-		case 0:
-			break;
-		case 0x4:
-			rate /= 2;
-			break;
-		default:
-			rate /= 4;
-			break;
-		}
-	}
-
-	return rate;
-}
-
-static unsigned long armcore(void)
-{
-	unsigned short arm_ckctl = omap_readw(ARM_CKCTL);
-
-	return (dpll1() >> ((arm_ckctl & 0x0030) >> 4));
-}
-
-int print_cpuinfo (void)
-{
-	int i;
-	u16 jtag_id;
-	u8 die_rev;
-	u32 omap_id;
-	u8 cpu_type;
-	u32 system_serial_high;
-	u32 system_serial_low;
-	u32 system_rev = 0;
-
-	jtag_id = omap_get_jtag_id();
-	die_rev = omap_get_die_rev();
-	omap_id = omap_readl(OMAP32_ID_0);
-
-#ifdef DEBUG
-	printf("OMAP_DIE_ID_0: 0x%08x\n", omap_readl(OMAP_DIE_ID_0));
-	printf("OMAP_DIE_ID_1: 0x%08x DIE_REV: %i\n",
-	       omap_readl(OMAP_DIE_ID_1),
-	       (omap_readl(OMAP_DIE_ID_1) >> 17) & 0xf);
-	printf("OMAP_PRODUCTION_ID_0: 0x%08x\n", omap_readl(OMAP_PRODUCTION_ID_0));
-	printf("OMAP_PRODUCTION_ID_1: 0x%08x JTAG_ID: 0x%04x\n",
-	       omap_readl(OMAP_PRODUCTION_ID_1),
-	       omap_readl(OMAP_PRODUCTION_ID_1) & 0xffff);
-	printf("OMAP32_ID_0: 0x%08x\n", omap_readl(OMAP32_ID_0));
-	printf("OMAP32_ID_1: 0x%08x\n", omap_readl(OMAP32_ID_1));
-	printf("JTAG_ID: 0x%04x DIE_REV: %i\n", jtag_id, die_rev);
-#endif
-
-	system_serial_high = omap_readl(OMAP_DIE_ID_0);
-	system_serial_low = omap_readl(OMAP_DIE_ID_1);
-
-	/* First check only the major version in a safe way */
-	for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
-		if (jtag_id == (omap_ids[i].jtag_id)) {
-			system_rev = omap_ids[i].type;
-			break;
-		}
-	}
-
-	/* Check if we can find the die revision */
-	for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
-		if (jtag_id == omap_ids[i].jtag_id && die_rev == omap_ids[i].die_rev) {
-			system_rev = omap_ids[i].type;
-			break;
-		}
-	}
-
-	/* Finally check also the omap_id */
-	for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
-		if (jtag_id == omap_ids[i].jtag_id
-		    && die_rev == omap_ids[i].die_rev
-		    && omap_id == omap_ids[i].omap_id) {
-			system_rev = omap_ids[i].type;
-			break;
-		}
-	}
-
-	/* Add the cpu class info (7xx, 15xx, 16xx, 24xx) */
-	cpu_type = system_rev >> 24;
-
-	switch (cpu_type) {
-	case 0x07:
-		system_rev |= 0x07;
-		break;
-	case 0x03:
-	case 0x15:
-		system_rev |= 0x15;
-		break;
-	case 0x16:
-	case 0x17:
-		system_rev |= 0x16;
-		break;
-	case 0x24:
-		system_rev |= 0x24;
-		break;
-	default:
-		printf("Unknown OMAP cpu type: 0x%02x\n", cpu_type);
-	}
-
-	printf("CPU:   OMAP%04x", system_rev >> 16);
-	if ((system_rev >> 8) & 0xff)
-		printf("%x", (system_rev >> 8) & 0xff);
-#ifdef DEBUG
-	printf(" revision %i handled as %02xxx id: %08x%08x",
-	       die_rev, system_rev & 0xff, system_serial_low, system_serial_high);
-#endif
-	printf(" at %ld.%01ld MHz (DPLL1=%ld.%01ld MHz)\n",
-	       armcore() / 1000000, (armcore() / 100000) % 10,
-	       dpll1() / 1000000, (dpll1() / 100000) % 10);
-
-	return 0;
-}
-
-#endif /* #if defined(CONFIG_DISPLAY_CPUINFO) && defined(CONFIG_OMAP) */