armv8: ls2080a: Remove debug server support

Debug server feature has been dropped from roadmap.

Signed-off-by: York Sun <york.sun@nxp.com>

10 files changed, 1 insertions, 323 deletions

diff --git a/README b/README
index f41a6af..8934a18 100644
--- a/README
+++ b/README
@@ -4947,12 +4947,6 @@ The Freescale Layerscape Debug Server Support supports the loading of
 "Debug Server firmware" and triggering SP boot-rom.
 This firmware often needs to be loaded during U-Boot booting.
 
-- CONFIG_FSL_DEBUG_SERVER
-	Enable the Debug Server for Layerscape SoCs.
-
-- CONFIG_SYS_DEBUG_SERVER_DRAM_BLOCK_MIN_SIZE
-	Define minimum DDR size required for debug server image
-
 - CONFIG_SYS_MC_RSV_MEM_ALIGN
 	Define alignment of reserved memory MC requires
 
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index e12b773..5fbd848 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -18,7 +18,6 @@
 #include <asm/arch/mp.h>
 #endif
 #include <fm_eth.h>
-#include <fsl_debug_server.h>
 #include <fsl-mc/fsl_mc.h>
 #ifdef CONFIG_FSL_ESDHC
 #include <fsl_esdhc.h>
@@ -457,10 +456,6 @@ phys_size_t board_reserve_ram_top(phys_size_t ram_size)
 #ifdef CONFIG_SYS_MEM_TOP_HIDE
 #error CONFIG_SYS_MEM_TOP_HIDE not to be used together with this function
 #endif
-/* Carve the Debug Server private DRAM block from the end of DRAM */
-#ifdef CONFIG_FSL_DEBUG_SERVER
-	ram_top -= debug_server_get_dram_block_size();
-#endif
 
 /* Carve the MC private DRAM block from the end of DRAM */
 #ifdef CONFIG_FSL_MC_ENET
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
index 93e26c1..7acba27 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
@@ -33,15 +33,6 @@
 #define CONFIG_SYS_FSL_WRIOP1_MDIO2	(CONFIG_SYS_FSL_WRIOP1_ADDR + 0x17000)
 #define CONFIG_SYS_FSL_LSCH3_SERDES_ADDR	(CONFIG_SYS_IMMR + 0xEA0000)
 
-/* SP (Cortex-A5) related */
-#define CONFIG_SYS_FSL_SP_ADDR			(CONFIG_SYS_IMMR + 0x00F00000)
-#define CONFIG_SYS_FSL_SP_VSG_GIC_ADDR		(CONFIG_SYS_FSL_SP_ADDR)
-#define CONFIG_SYS_FSL_SP_VSG_GIC_VIGR1		(CONFIG_SYS_FSL_SP_ADDR)
-#define CONFIG_SYS_FSL_SP_VSG_GIC_VIGR2		\
-					(CONFIG_SYS_FSL_SP_ADDR + 0x0008)
-#define CONFIG_SYS_FSL_SP_LOOPBACK_DUART	\
-					(CONFIG_SYS_FSL_SP_ADDR + 0x1000)
-
 #define CONFIG_SYS_FSL_DCSR_DDR_ADDR		0x70012c000ULL
 #define CONFIG_SYS_FSL_DCSR_DDR2_ADDR		0x70012d000ULL
 #define CONFIG_SYS_FSL_DCSR_DDR3_ADDR		0x700132000ULL
diff --git a/board/freescale/ls2080a/ls2080a.c b/board/freescale/ls2080a/ls2080a.c
index 00337d7..d0a88d4 100644
--- a/board/freescale/ls2080a/ls2080a.c
+++ b/board/freescale/ls2080a/ls2080a.c
@@ -12,7 +12,6 @@
 #include <asm/io.h>
 #include <fdt_support.h>
 #include <libfdt.h>
-#include <fsl_debug_server.h>
 #include <fsl-mc/fsl_mc.h>
 #include <environment.h>
 #include <asm/arch/soc.h>
@@ -60,10 +59,6 @@ int dram_init(void)
 #if defined(CONFIG_ARCH_MISC_INIT)
 int arch_misc_init(void)
 {
-#ifdef CONFIG_FSL_DEBUG_SERVER
-	debug_server_init();
-#endif
-
 	return 0;
 }
 #endif
diff --git a/board/freescale/ls2080aqds/ls2080aqds.c b/board/freescale/ls2080aqds/ls2080aqds.c
index 7d95deb..ca4a2e5 100644
--- a/board/freescale/ls2080aqds/ls2080aqds.c
+++ b/board/freescale/ls2080aqds/ls2080aqds.c
@@ -12,7 +12,6 @@
 #include <asm/io.h>
 #include <fdt_support.h>
 #include <libfdt.h>
-#include <fsl_debug_server.h>
 #include <fsl-mc/fsl_mc.h>
 #include <environment.h>
 #include <i2c.h>
@@ -265,9 +264,6 @@ int dram_init(void)
 #if defined(CONFIG_ARCH_MISC_INIT)
 int arch_misc_init(void)
 {
-#ifdef CONFIG_FSL_DEBUG_SERVER
-	debug_server_init();
-#endif
 #ifdef CONFIG_FSL_CAAM
 	sec_init();
 #endif
diff --git a/board/freescale/ls2080ardb/ls2080ardb.c b/board/freescale/ls2080ardb/ls2080ardb.c
index a65cd4a..7d8a711 100644
--- a/board/freescale/ls2080ardb/ls2080ardb.c
+++ b/board/freescale/ls2080ardb/ls2080ardb.c
@@ -13,7 +13,6 @@
 #include <hwconfig.h>
 #include <fdt_support.h>
 #include <libfdt.h>
-#include <fsl_debug_server.h>
 #include <fsl-mc/fsl_mc.h>
 #include <environment.h>
 #include <i2c.h>
@@ -229,9 +228,6 @@ int dram_init(void)
 #if defined(CONFIG_ARCH_MISC_INIT)
 int arch_misc_init(void)
 {
-#ifdef CONFIG_FSL_DEBUG_SERVER
-	debug_server_init();
-#endif
 #ifdef CONFIG_FSL_CAAM
 	sec_init();
 #endif
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index c0e5f03..e4f2464 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -16,7 +16,6 @@ obj-$(CONFIG_CROS_EC_LPC) += cros_ec_lpc.o
 obj-$(CONFIG_CROS_EC_I2C) += cros_ec_i2c.o
 obj-$(CONFIG_CROS_EC_SANDBOX) += cros_ec_sandbox.o
 obj-$(CONFIG_CROS_EC_SPI) += cros_ec_spi.o
-obj-$(CONFIG_FSL_DEBUG_SERVER) += fsl_debug_server.o
 endif
 obj-$(CONFIG_FSL_IIM) += fsl_iim.o
 obj-$(CONFIG_GPIO_LED) += gpio_led.o
diff --git a/drivers/misc/fsl_debug_server.c b/drivers/misc/fsl_debug_server.c
deleted file mode 100644
index 98d9fbe..0000000
--- a/drivers/misc/fsl_debug_server.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Copyright (C) 2014 Freescale Semiconductor
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <errno.h>
-#include <asm/io.h>
-#include <asm/system.h>
-
-#include <fsl-mc/fsl_mc.h>
-#include <fsl_debug_server.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-static int debug_server_ver_info_maj, debug_server_ver_info_min;
-
-/**
- * Copying Debug Server firmware to DDR
- */
-static int debug_server_copy_image(const char *title, u64 image_addr,
-				   u32 image_size, u64 debug_server_ram_addr)
-{
-	debug("%s copied to address %p\n", title,
-	      (void *)debug_server_ram_addr);
-	memcpy((void *)debug_server_ram_addr, (void *)image_addr, image_size);
-
-	return 0;
-}
-
-/**
- * Debug Server FIT image parser checks if the image is in FIT
- * format, verifies integrity of the image and calculates
- * raw image address and size values.
- *
- * Returns 0 if success and -1 if any of the above mentioned
- * task fail.
- **/
-int debug_server_parse_firmware_fit_image(const void **raw_image_addr,
-					  size_t *raw_image_size)
-{
-	int format;
-	void *fit_hdr;
-	int node_offset;
-	const void *data;
-	size_t size;
-	const char *uname = "firmware";
-	char *desc;
-	char *debug_server_ver_info;
-	char *debug_server_ver_info_major, *debug_server_ver_info_minor;
-
-	/* Check if the image is in NOR flash */
-#ifdef CONFIG_SYS_DEBUG_SERVER_FW_IN_NOR
-	fit_hdr = (void *)CONFIG_SYS_DEBUG_SERVER_FW_ADDR;
-#else
-#error "CONFIG_SYS_DEBUG_SERVER_FW_IN_NOR not defined"
-#endif
-
-	/* Check if Image is in FIT format */
-	format = genimg_get_format(fit_hdr);
-	if (format != IMAGE_FORMAT_FIT) {
-		printf("Debug Server FW: Not a FIT image\n");
-		goto out_error;
-	}
-
-	if (!fit_check_format(fit_hdr)) {
-		printf("Debug Server FW: Bad FIT image format\n");
-		goto out_error;
-	}
-
-	node_offset = fit_image_get_node(fit_hdr, uname);
-	if (node_offset < 0) {
-		printf("Debug Server FW:Can not find %s subimage\n", uname);
-		goto out_error;
-	}
-
-	/* Verify Debug Server firmware image */
-	if (!fit_image_verify(fit_hdr, node_offset)) {
-		printf("Debug Server FW: Bad Debug Server firmware hash");
-		goto out_error;
-	}
-
-	if (fit_get_desc(fit_hdr, node_offset, &desc) < 0) {
-		printf("Debug Server FW: Failed to get FW description");
-		goto out_error;
-	}
-
-	debug_server_ver_info = strstr(desc, "Version");
-	debug_server_ver_info_major = strtok(debug_server_ver_info, ".");
-	debug_server_ver_info_minor = strtok(NULL, ".");
-
-	debug_server_ver_info_maj =
-			simple_strtoul(debug_server_ver_info_major, NULL, 10);
-	debug_server_ver_info_min =
-			simple_strtoul(debug_server_ver_info_minor, NULL, 10);
-
-	/* Debug server version checking */
-	if ((debug_server_ver_info_maj < DEBUG_SERVER_VER_MAJOR) ||
-	    (debug_server_ver_info_min < DEBUG_SERVER_VER_MINOR)) {
-		printf("Debug server FW mismatches the min version required\n");
-		printf("Expected:%d.%d, Got %d.%d\n",
-		       DEBUG_SERVER_VER_MAJOR, DEBUG_SERVER_VER_MINOR,
-		       debug_server_ver_info_maj,
-		       debug_server_ver_info_min);
-		goto out_error;
-	}
-
-	/* Get address and size of raw image */
-	fit_image_get_data(fit_hdr, node_offset, &data, &size);
-
-	*raw_image_addr = data;
-	*raw_image_size = size;
-
-	return 0;
-
-out_error:
-	return -1;
-}
-
-/**
- * Return the actual size of the Debug Server private DRAM block.
- *
- * NOTE: For now this function always returns the minimum required size,
- * However, in the future, the actual size may be obtained from an environment
- * variable.
- */
-unsigned long debug_server_get_dram_block_size(void)
-{
-	return CONFIG_SYS_DEBUG_SERVER_DRAM_BLOCK_MIN_SIZE;
-}
-
-int debug_server_init(void)
-{
-	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
-	int error, timeout = CONFIG_SYS_DEBUG_SERVER_TIMEOUT;
-	int debug_server_boot_status;
-	u64 debug_server_ram_addr, debug_server_ram_size;
-	const void *raw_image_addr;
-	size_t raw_image_size = 0;
-
-	debug("debug_server_init called\n");
-	/*
-	 * The Debug Server private DRAM block was already carved at the end of
-	 * DRAM by board_init_f() using CONFIG_SYS_MEM_TOP_HIDE:
-	 */
-	debug_server_ram_size = debug_server_get_dram_block_size();
-	if (gd->bd->bi_dram[1].start)
-		debug_server_ram_addr =
-			gd->bd->bi_dram[1].start + gd->bd->bi_dram[1].size;
-	else
-		debug_server_ram_addr =
-			gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
-
-#ifdef CONFIG_FSL_MC_ENET
-	debug_server_ram_addr += mc_get_dram_block_size();
-#endif
-
-	error = debug_server_parse_firmware_fit_image(&raw_image_addr,
-							&raw_image_size);
-	if (error != 0)
-		goto out;
-
-	debug("debug server (ram addr = 0x%llx, ram size = 0x%llx)\n",
-	      debug_server_ram_addr, debug_server_ram_size);
-	/*
-	 * Load the Debug Server FW at the beginning of the Debug Server
-	 * private DRAM block:
-	 */
-	debug_server_copy_image("Debug Server Firmware",
-				(u64)raw_image_addr, raw_image_size,
-				debug_server_ram_addr);
-
-	/* flush dcache */
-	flush_dcache_range((unsigned long)debug_server_ram_addr,
-			   (unsigned long)debug_server_ram_addr +
-			   (unsigned long)debug_server_ram_size);
-
-	/*
-	 * Tell SP that the Debug Server FW is about to be launched. Before that
-	 * populate the following:
-	 * 1. Write the size allocated to SP Memory region into Bits {31:16} of
-	 *    SCRATCHRW5.
-	 * 2. Write the start address of the SP memory regions into
-	 *    SCRATCHRW5 (Bits {15:0}, contain most significant bits, Bits
-	 *    {47:32} of the SP Memory Region physical start address
-	 *    (SoC address)) and SCRATCHRW6 (Bits {31:0}).
-	 * 3. To know the Debug Server FW boot status, set bit 0 of SCRATCHRW11
-	 *    to 1. The Debug Server sets this to 0 to indicate a
-	 *    successul boot.
-	 * 4. Wakeup SP by writing 0x1F to VSG GIC reg VIGR2.
-	 */
-
-	/* 512 MB */
-	out_le32(&gur->scratchrw[5 - 1],
-		 (u32)((u64)debug_server_ram_addr >> 32) | (0x000D << 16));
-	out_le32(&gur->scratchrw[6 - 1],
-		 ((u32)debug_server_ram_addr) & 0xFFFFFFFF);
-
-	out_le32(&gur->scratchrw[11 - 1], DEBUG_SERVER_INIT_STATUS);
-	/* Allow the changes to reflect in GUR block */
-	mb();
-
-	/*
-	 * Program VGIC to raise an interrupt to SP
-	 */
-	out_le32(CONFIG_SYS_FSL_SP_VSG_GIC_VIGR2, 0x1F);
-	/* Allow the changes to reflect in VIGR2 */
-	mb();
-
-	dmb();
-	debug("Polling for Debug server to launch ...\n");
-
-	while (1) {
-		debug_server_boot_status = in_le32(&gur->scratchrw[11 - 1]);
-		if (!(debug_server_boot_status & DEBUG_SERVER_INIT_STATUS_MASK))
-			break;
-
-		udelay(1);	/* throttle polling */
-		if (timeout-- <= 0)
-			break;
-	}
-
-	if (timeout <= 0) {
-		printf("Debug Server FW timed out (boot status: 0x%x)\n",
-		       debug_server_boot_status);
-		error = -ETIMEDOUT;
-		goto out;
-	}
-
-	if (debug_server_boot_status & DEBUG_SERVER_INIT_STATUS_MASK) {
-		printf("Debug server FW error'ed out (boot status: 0x%x)\n",
-		       debug_server_boot_status);
-		error = -ENODEV;
-		goto out;
-	}
-
-	printf("Debug server booted\n");
-	printf("Detected firmware %d.%d, (boot status: 0x0%x)\n",
-	       debug_server_ver_info_maj, debug_server_ver_info_min,
-	       debug_server_boot_status);
-
-out:
-	if (error != 0)
-		debug_server_boot_status = -error;
-	else
-		debug_server_boot_status = 0;
-
-	return debug_server_boot_status;
-}
-
diff --git a/include/configs/ls2080a_common.h b/include/configs/ls2080a_common.h
index ebe1415..903f6dd 100644
--- a/include/configs/ls2080a_common.h
+++ b/include/configs/ls2080a_common.h
@@ -153,11 +153,6 @@ unsigned long long get_qixis_addr(void);
 #define CONFIG_SYS_NAND_BASE			0x530000000ULL
 #define CONFIG_SYS_NAND_BASE_PHYS		0x30000000
 
-/* Debug Server firmware */
-#define CONFIG_FSL_DEBUG_SERVER
-/* 2 sec timeout */
-#define CONFIG_SYS_DEBUG_SERVER_TIMEOUT			(2 * 1000 * 1000)
-
 /* MC firmware */
 #define CONFIG_FSL_MC_ENET
 /* TODO Actual DPL max length needs to be confirmed with the MC FW team */
@@ -175,8 +170,7 @@ unsigned long long get_qixis_addr(void);
  * It will be used by MC and Debug Server. The MC region must be
  * 512MB aligned, so the min size to hide is 512MB.
  */
-#if defined(CONFIG_FSL_MC_ENET) || defined(CONFIG_FSL_DEBUG_SERVER)
-#define CONFIG_SYS_DEBUG_SERVER_DRAM_BLOCK_MIN_SIZE	(254UL * 1024 * 1024)
+#ifdef CONFIG_FSL_MC_ENET
 #define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE		(512UL * 1024 * 1024)
 #define CONFIG_SYS_MC_RSV_MEM_ALIGN			(512UL * 1024 * 1024)
 #endif
diff --git a/include/fsl_debug_server.h b/include/fsl_debug_server.h
deleted file mode 100644
index 28d8adb..0000000
--- a/include/fsl_debug_server.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2014 Freescale Semiconductor
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#ifndef __FSL_DBG_SERVER_H__
-#define __FSL_DBG_SERVER_H__
-
-#include <asm/io.h>
-#include <common.h>
-
-/*
- * Define Debug Server firmware version information
- */
-
-/* Major version number: incremented on API compatibility changes */
-#define DEBUG_SERVER_VER_MAJOR	0
-
-/* Minor version number: incremented on API additions (backward
- * compatible); reset when major version is incremented.
- */
-#define DEBUG_SERVER_VER_MINOR	1
-
-#define DEBUG_SERVER_INIT_STATUS	(1 << 0)
-#define DEBUG_SERVER_INIT_STATUS_MASK	(0x00000001)
-
-int debug_server_init(void);
-unsigned long debug_server_get_dram_block_size(void);
-
-#endif /* __FSL_DBG_SERVER_H__ */
-