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From: Alexandre Courbot <acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH v2 03/14] secboot: use falcon library's IMEM/DMEM loading functions
Date: Thu, 27 Oct 2016 13:36:57 +0900	[thread overview]
Message-ID: <20161027043708.22538-4-acourbot@nvidia.com> (raw)
In-Reply-To: <20161027043708.22538-1-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>

Replace the falcon loading functions with calls to the equivalent
functions of the falcon library.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
---
 drm/nouveau/nvkm/subdev/secboot/gm200.c | 31 +++++++++----------------------
 1 file changed, 9 insertions(+), 22 deletions(-)

diff --git a/drm/nouveau/nvkm/subdev/secboot/gm200.c b/drm/nouveau/nvkm/subdev/secboot/gm200.c
index e387673e13a6..8067d29f526f 100644
--- a/drm/nouveau/nvkm/subdev/secboot/gm200.c
+++ b/drm/nouveau/nvkm/subdev/secboot/gm200.c
@@ -1103,39 +1103,26 @@ gm200_secboot_load_hs_bl(struct gm200_secboot *gsb, void *data, u32 data_size)
 	void *hsbl_data = blob_data + hsbl_desc->data_off;
 	u32 code_size = ALIGN(hsbl_desc->code_size, 256);
 	const u32 base = gsb->base.base;
-	u32 blk;
-	u32 tag;
-	int i;
+	u32 code_start;
 
 	/*
 	 * Copy HS bootloader data
 	 */
-	nvkm_wr32(device, base + 0x1c0, (0x00000000 | (0x1 << 24)));
-	for (i = 0; i < hsbl_desc->data_size / 4; i++)
-		nvkm_wr32(device, base + 0x1c4, ((u32 *)hsbl_data)[i]);
+	nvkm_falcon_load_dmem(device, gsb->base.base, hsbl_data, 0x00000,
+			      hsbl_desc->data_size);
 
 	/*
 	 * Copy HS bootloader interface structure where the HS descriptor
 	 * expects it to be
 	 */
-	nvkm_wr32(device, base + 0x1c0,
-		  (hsbl_desc->dmem_load_off | (0x1 << 24)));
-	for (i = 0; i < data_size / 4; i++)
-		nvkm_wr32(device, base + 0x1c4, ((u32 *)data)[i]);
+	nvkm_falcon_load_dmem(device, gsb->base.base, data,
+			      hsbl_desc->dmem_load_off, data_size);
 
 	/* Copy HS bootloader code to end of IMEM */
-	blk = (nvkm_rd32(device, base + 0x108) & 0x1ff) - (code_size >> 8);
-	tag = hsbl_desc->start_tag;
-	nvkm_wr32(device, base + 0x180, ((blk & 0xff) << 8) | (0x1 << 24));
-	for (i = 0; i < code_size / 4; i++) {
-		/* write new tag every 256B */
-		if ((i & 0x3f) == 0) {
-			nvkm_wr32(device, base + 0x188, tag & 0xffff);
-			tag++;
-		}
-		nvkm_wr32(device, base + 0x184, ((u32 *)hsbl_code)[i]);
-	}
-	nvkm_wr32(device, base + 0x188, 0);
+	code_start = (nvkm_rd32(device, base + 0x108) & 0x1ff) << 8;
+	code_start -= code_size;
+	nvkm_falcon_load_imem(device, gsb->base.base, hsbl_code, code_start,
+			      code_size, hsbl_desc->start_tag);
 }
 
 /**
-- 
2.10.0

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  parent reply	other threads:[~2016-10-27  4:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-27  4:36 [PATCH v2 00/14] Secure Boot refactoring Alexandre Courbot
     [not found] ` <20161027043708.22538-1-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-10-27  4:36   ` [PATCH v2 01/14] core: constify nv*_printk macros Alexandre Courbot
2016-10-27  4:36   ` [PATCH v2 02/14] core: add falcon library Alexandre Courbot
2016-10-27  4:36   ` Alexandre Courbot [this message]
2016-10-27  4:36   ` [PATCH v2 04/14] secboot: rename init() hook to oneinit() Alexandre Courbot
2016-10-27  4:36   ` [PATCH v2 05/14] secboot: remove fixup_hs_desc hook Alexandre Courbot
2016-10-27  4:37   ` [PATCH v2 06/14] secboot: add low-secure firmware hooks Alexandre Courbot
2016-10-27  4:37   ` [PATCH v2 07/14] secboot: generate HS BL descriptor in hook Alexandre Courbot
2016-10-27  4:37   ` [PATCH v2 08/14] secboot: reorganize into more files Alexandre Courbot
2016-10-27  4:37   ` [PATCH v2 09/14] secboot: add LS flags to LS func structure Alexandre Courbot
2016-10-27  4:37   ` [PATCH v2 10/14] secboot: split reset function Alexandre Courbot
2016-10-27  4:37   ` [PATCH v2 11/14] secboot: disable falcon interrupts before running Alexandre Courbot
2016-10-27  4:37   ` [PATCH v2 12/14] secboot: remove unneeded ls_ucode_img member Alexandre Courbot
2016-10-27  4:37   ` [PATCH v2 13/14] secboot: remove ls_ucode_mgr Alexandre Courbot
2016-10-27  4:37   ` [PATCH v2 14/14] secboot: abstract LS firmware loading functions Alexandre Courbot
2016-10-27  8:27   ` [PATCH v2 00/14] Secure Boot refactoring Alexandre Courbot

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