first and last commit

platform/s7002/reconfig/reconfig.c

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+/*
+ * Copyright (C) 2013-2014 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 <debug.h>
+#include <platform/soc/hwregbase.h>
+#include <platform/soc/reconfig.h>
+#include <sys.h>
+
+#define ENCODE_RECONFIG_CONFIG(start, count) ((((count) & 0x3ff) << 16) | ((start & 0x3ff) << 0))
+
+
+typedef struct {
+	uint32_t mem_reconfig_count;
+	uint32_t soc_reconfig_count;
+	uint32_t akf_reconfig_count;
+} reconfig_stat_t;
+
+static reconfig_stat_t reconfig_stat;
+
+void reconfig_append_command(reconfig_type_t type, uint32_t cmd, uint32_t data, uint32_t mask)
+{
+	uint32_t reconfig_offset = 0;
+	uint32_t *reconfig_count_ptr = NULL;
+
+	// First, a basic check that reconfig is being programmed in the right order (mem -> soc -> akf)
+	switch (type)
+	{
+	case RECONFIG_TYPE_MEM:
+		ASSERT(reconfig_stat.soc_reconfig_count == 0);
+		ASSERT(reconfig_stat.akf_reconfig_count == 0);
+		reconfig_offset = reconfig_stat.mem_reconfig_count;
+		reconfig_count_ptr = &reconfig_stat.mem_reconfig_count;
+		break;
+	case RECONFIG_TYPE_SOC:
+		ASSERT(reconfig_stat.mem_reconfig_count != 0);
+		ASSERT(reconfig_stat.akf_reconfig_count == 0);
+		reconfig_offset = reconfig_stat.mem_reconfig_count + reconfig_stat.soc_reconfig_count;
+		reconfig_count_ptr = &reconfig_stat.soc_reconfig_count;
+		break;
+	case RECONFIG_TYPE_AKF:
+		ASSERT(reconfig_stat.mem_reconfig_count != 0);
+		ASSERT(reconfig_stat.soc_reconfig_count != 0);
+		reconfig_offset = reconfig_stat.mem_reconfig_count + reconfig_stat.soc_reconfig_count + reconfig_stat.akf_reconfig_count;
+		reconfig_count_ptr = &reconfig_stat.akf_reconfig_count;
+		break;
+	default:
+		panic("Unknown reconfig type: %d", type);
+	}
+
+	if(reconfig_offset >= RECONFIG_RAM_SIZE_IN_WORDS - 1)
+	{
+		panic("Out of reconfig space!");
+	}
+
+	rRECONFIG_RAM_CMD(reconfig_offset) = cmd;
+	rRECONFIG_RAM_DATA(reconfig_offset) = data;
+	rRECONFIG_RAM_MASK(reconfig_offset) = mask;
+
+	(*reconfig_count_ptr)++;
+}
+
+void reconfig_commit()
+{
+	// Encode start/range
+	rRECONFIG_CONFIG_MEM = ENCODE_RECONFIG_CONFIG(0, reconfig_stat.mem_reconfig_count);
+	rRECONFIG_CONFIG_SOC = ENCODE_RECONFIG_CONFIG(reconfig_stat.mem_reconfig_count, reconfig_stat.soc_reconfig_count);
+	rRECONFIG_CONFIG_AKF = ENCODE_RECONFIG_CONFIG(reconfig_stat.mem_reconfig_count + reconfig_stat.soc_reconfig_count, reconfig_stat.akf_reconfig_count);
+
+
+	// Enable Reconfig engine
+	rRECONFIG_CONFIGURATION |= (1 << 16);
+}
+
+void reconfig_dbg_dump_contents(void)
+{
+	printf("==== MEM RECONFIG COMMANDS ====\n");
+	printf("INDEX\t\tCMD\t\tDATA\t\tMASK\n");
+	for(uint32_t i = 0; i < reconfig_stat.mem_reconfig_count; i++)
+	{
+		printf("%d\t\t0x%08x\t\t0x%08x\t\t0x%08x\n", i, rRECONFIG_RAM_CMD(i), rRECONFIG_RAM_DATA(i), rRECONFIG_RAM_MASK(i));
+	}
+	printf("==== SOC RECONFIG COMMANDS ====\n");
+	printf("INDEX\t\tCMD\t\tDATA\t\tMASK\n");
+	for(uint32_t i = reconfig_stat.mem_reconfig_count; i < reconfig_stat.mem_reconfig_count + reconfig_stat.soc_reconfig_count; i++)
+	{
+		printf("%d\t\t0x%08x\t\t0x%08x\t\t0x%08x\n", i, rRECONFIG_RAM_CMD(i), rRECONFIG_RAM_DATA(i), rRECONFIG_RAM_MASK(i));
+	}
+	printf("==== AKF RECONFIG COMMANDS ====\n");
+	printf("INDEX\t\tCMD\t\tDATA\t\tMASK\n");
+	for(uint32_t i = reconfig_stat.mem_reconfig_count + reconfig_stat.soc_reconfig_count; i < reconfig_stat.mem_reconfig_count + reconfig_stat.akf_reconfig_count; i++)
+	{
+		printf("%d\t\t0x%08x\t\t0x%08x\t\t0x%08x\n", i, rRECONFIG_RAM_CMD(i), rRECONFIG_RAM_DATA(i), rRECONFIG_RAM_MASK(i));
+	}
+	printf("reconfig_commit: RECONFIG_CONFIG_MEM = 0x%x, CONFIG_SOC = 0x%x, CONFIG_AKF=0x%x\n", rRECONFIG_CONFIG_MEM, rRECONFIG_CONFIG_SOC, rRECONFIG_CONFIG_AKF);
+}

platform/s7002/reconfig/rules.mk

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+# Copyright (C) 2013-2014 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_RECONFIG=1
+
+ALL_OBJS += \
+	$(LOCAL_DIR)/reconfig.o