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author | York Sun <york.sun@nxp.com> | 2016-08-03 12:33:00 -0700 |
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committer | York Sun <york.sun@nxp.com> | 2016-09-14 14:07:19 -0700 |
commit | b63a9506296b10b9730c3ff4a0e9611f6f98e7db (patch) | |
tree | 15cae8f7890f62c2a3e80aebbe957b85e2de56b9 /drivers/misc/fsl_debug_server.c | |
parent | b392a6d4b05b7409283cd75b4ac6bd12018d187a (diff) | |
download | u-boot-imx-b63a9506296b10b9730c3ff4a0e9611f6f98e7db.zip u-boot-imx-b63a9506296b10b9730c3ff4a0e9611f6f98e7db.tar.gz u-boot-imx-b63a9506296b10b9730c3ff4a0e9611f6f98e7db.tar.bz2 |
armv8: ls2080a: Remove debug server support
Debug server feature has been dropped from roadmap.
Signed-off-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'drivers/misc/fsl_debug_server.c')
-rw-r--r-- | drivers/misc/fsl_debug_server.c | 250 |
1 files changed, 0 insertions, 250 deletions
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; -} - |