X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fcpu%2Fmpc85xx%2Ffsl_corenet_serdes.c;h=fcfa73023347c4525f1d9f1ae3ff7d55c4386bcc;hb=88c7a0a8c2ce6b503ff5d5509effb2a9f844993e;hp=5495dc59eef868aaa3d90af882c6df23ae506646;hpb=2c601c7208713ba9b2158c57adcf515f4bdbc212;p=oweals%2Fu-boot.git

diff --git a/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c b/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c
index 5495dc59ee..fcfa730233 100644
--- a/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c
@@ -1,26 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2009-2011 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
  */
 
 #include <common.h>
+#include <env.h>
 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
 #include <hwconfig.h>
 #endif
@@ -29,7 +13,7 @@
 #include <asm/io.h>
 #include <asm/processor.h>
 #include <asm/fsl_law.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include "fsl_corenet_serdes.h"
 
 /*
@@ -92,7 +76,7 @@ static const struct {
 	{ 17, 163, FSL_SRDS_BANK_2 },
 	{ 18, 164, FSL_SRDS_BANK_2 },
 	{ 19, 165, FSL_SRDS_BANK_2 },
-#ifdef CONFIG_PPC_P4080
+#ifdef CONFIG_ARCH_P4080
 	{ 20, 170, FSL_SRDS_BANK_3 },
 	{ 21, 171, FSL_SRDS_BANK_3 },
 	{ 22, 172, FSL_SRDS_BANK_3 },
@@ -103,6 +87,10 @@ static const struct {
 	{ 22, 168, FSL_SRDS_BANK_3 },
 	{ 23, 169, FSL_SRDS_BANK_3 },
 #endif
+#if SRDS_MAX_BANK > 3
+	{ 24, 175, FSL_SRDS_BANK_4 },
+	{ 25, 176, FSL_SRDS_BANK_4 },
+#endif
 };
 
 int serdes_get_lane_idx(int lane)
@@ -148,6 +136,9 @@ int is_serdes_configured(enum srds_prtcl device)
 	if (!(in_be32(&gur->rcwsr[5]) & FSL_CORENET_RCWSR5_SRDS_EN))
 		return 0;
 
+	if (!(serdes_prtcl_map & (1 << NONE)))
+		fsl_serdes_init();
+
 	return (1 << device) & serdes_prtcl_map;
 }
 
@@ -500,7 +491,7 @@ void fsl_serdes_init(void)
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	int cfg;
 	serdes_corenet_t *srds_regs;
-#ifdef CONFIG_PPC_P5040
+#ifdef CONFIG_ARCH_P5040
 	serdes_corenet_t *srds2_regs;
 #endif
 	int lane, bank, idx;
@@ -513,7 +504,7 @@ void fsl_serdes_init(void)
 	size_t arglen;
 #endif
 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES_A001
-	int need_serdes_a001;	/* TRUE == need work-around for SERDES A001 */
+	int need_serdes_a001;	/* true == need work-around for SERDES A001 */
 #endif
 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
 	char buffer[HWCONFIG_BUFFER_SIZE];
@@ -523,9 +514,11 @@ void fsl_serdes_init(void)
 	 * Extract hwconfig from environment since we have not properly setup
 	 * the environment but need it for ddr config params
 	 */
-	if (getenv_f("hwconfig", buffer, sizeof(buffer)) > 0)
+	if (env_get_f("hwconfig", buffer, sizeof(buffer)) > 0)
 		buf = buffer;
 #endif
+	if (serdes_prtcl_map & (1 << NONE))
+		return;
 
 	/* Is serdes enabled at all? */
 	if (!(in_be32(&gur->rcwsr[5]) & FSL_CORENET_RCWSR5_SRDS_EN))
@@ -584,7 +577,7 @@ void fsl_serdes_init(void)
 		}
 	}
 
-#ifdef CONFIG_PPC_P5040
+#ifdef CONFIG_ARCH_P5040
 	/*
 	 * Lanes on bank 4 on P5040 are commented-out, but for some SERDES
 	 * protocols, these lanes are routed to SATA.  We use serdes_prtcl_map
@@ -614,6 +607,9 @@ void fsl_serdes_init(void)
 
 	soc_serdes_init();
 
+	/* Set the first bit to indicate serdes has been initialized */
+	serdes_prtcl_map |= (1 << NONE);
+
 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
 	/*
 	 * Bank two uses the clock from bank three, so if bank two is enabled,
@@ -870,3 +866,20 @@ void fsl_serdes_init(void)
 	}
 #endif
 }
+
+const char *serdes_clock_to_string(u32 clock)
+{
+	switch (clock) {
+	case SRDS_PLLCR0_RFCK_SEL_100:
+		return "100";
+	case SRDS_PLLCR0_RFCK_SEL_125:
+		return "125";
+	case SRDS_PLLCR0_RFCK_SEL_156_25:
+		return "156.25";
+	case SRDS_PLLCR0_RFCK_SEL_161_13:
+		return "161.1328123";
+	default:
+		return "150";
+	}
+}
+