first and last commit

platform/s5l8747x/chipid/chipid.c

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+/*
+ * Copyright (C) 2011 Apple Inc. All rights reserved.
+ *
+ * This document is the property of Apple Inc.
+ * It is considered confidential and proprietary.
+ *
+ * This document may not be reproduced or transmitted in any form,
+ * in whole or in part, without the express written permission of
+ * Apple Inc.
+ */
+#include <platform.h>
+#include <platform/soc/chipid.h>
+#include <platform/soc/hwclocks.h>
+
+bool chipid_get_production_mode(void)
+{
+	while (!chipid_get_read_done());
+
+	return ((rCHIPIDL >> 0) & 1) != 0;
+}
+
+bool chipid_get_secure_mode(void)
+{
+	while (!chipid_get_read_done());
+
+	return ((rCHIPIDH >> 1) & 1) != 0;
+}
+
+u_int32_t chipid_get_security_domain(void)
+{
+	while (!chipid_get_read_done());
+
+#if SUPPORT_FPGA
+	return kPlatformSecurityDomainDarwin;
+#else
+	return (rCHIPIDH >> 1) & 3;
+#endif
+}
+
+u_int32_t chipid_get_minimum_epoch(void)
+{
+	while (!chipid_get_read_done());
+
+	return (rCHIPIDH >> 3) & 0x7F;
+}
+
+bool chipid_get_ecid_image_personalization_required(void)
+{
+	return ((rCHIPIDH >> 14) & 1) != 0;
+}
+
+u_int32_t chipid_get_board_id(void)
+{
+	while (!chipid_get_read_done());
+
+	return (rCHIPIDH >> 10) & 3;
+}
+
+u_int32_t chipid_get_chip_id(void)
+{
+	while (!chipid_get_read_done());
+
+	return (rCHIPIDH >> 16) & 0xFFFF;
+}
+
+u_int32_t chipid_get_chip_revision(void)
+{
+	while (!chipid_get_read_done());
+
+	return (((rCHIPIDL >> 24) & 0xF) << 4) | (((rCHIPIDL >> 28) & 0xF) << 0);
+}
+
+u_int32_t chipid_get_osc_frequency(void)
+{
+	return OSC_FREQ;
+}
+
+u_int64_t chipid_get_ecid_id(void)
+{
+	u_int64_t ecid = 0;
+
+	while (!chipid_get_read_done());
+
+#if SUPPORT_FPGA
+	ecid = 0x000012345678ABCDULL;
+#else
+	/*
+	 * For the sake of the next poor bastard that comes along and has
+	 * to decode the ECID produced by this silliness, the code here
+	 * produces output formatted thus:
+	 *
+	 * 6              4               3               1
+	 * 3              8               2               6               0
+	 * ......................lllllllllllllllllllllwwwwwyyyyyyyyxxxxxxxx
+	 *
+	 * l - lot number
+	 * w - wafer number
+	 * y - wafer y position
+	 * x - wafer x position
+	 */
+	ecid |= ((rDIEIDL >>  0)) & ((1ULL << (21 -  0)) - 1);	// LOT_ID
+
+	ecid <<= (26 - 21);
+	ecid |= ((rDIEIDL >> 21)) & ((1ULL << (26 - 21)) - 1);	// WAFER_NUM
+
+	ecid <<= (10 -  2);
+	ecid |= ((rDIEIDH >>  2)) & ((1ULL << (10 -  2)) - 1);	// Y_POS
+
+	ecid <<= (32 - 26);
+	ecid |= ((rDIEIDL >> 26)) & ((1ULL << (32 - 26)) - 1);	// X_POS_H
+
+	ecid <<= ( 2 -  0);
+	ecid |= ((rDIEIDH >>  0)) & ((1ULL << ( 2 -  0)) - 1);	// X_POS_L
+#endif
+
+	return ecid;
+}
+
+u_int64_t chipid_get_die_id(void)
+{
+	while (!chipid_get_read_done());
+
+	return ((u_int64_t)rDIEIDH << 32) | rDIEIDL;
+}
+
+//  chipid_get_tv_dac_cals
+//    Saves the three tv dac calibration values in the given array.
+//
+void chipid_get_tv_dac_cals(u_int32_t *dac_cals)
+{
+	while (!chipid_get_read_done());
+
+	dac_cals[0] = (rCHIPIDL >>  9) & 0x1F;
+	dac_cals[1] = (rCHIPIDL >> 14) & 0x1F;
+	dac_cals[2] = (rCHIPIDL >> 19) & 0x1F;
+}
+
+bool chipid_get_read_done(void)
+{
+#if !SUPPORT_FPGA
+	return ((rEFUSE_READ_DONE >> 0) & 1) != 0;
+#else
+	return true;
+#endif
+}
+

platform/s5l8747x/chipid/rules.mk

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+# Copyright (C) 2011 Apple Inc. All rights reserved.
+#
+# This document is the property of Apple Inc.
+# It is considered confidential and proprietary.
+#
+# This document may not be reproduced or transmitted in any form,
+# in whole or in part, without the express written permission of
+# Apple Inc.
+#
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+OPTIONS += \
+	WITH_HW_PLATFORM_CHIPID=1
+
+ALL_OBJS += $(LOCAL_DIR)/chipid.o