Patchwork [U-Boot,v2,5/5] mpc iim: Switch to common fsl_iim

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Submitter Benoît Thébaudeau
Date Nov. 27, 2012, 1:32 p.m.
Message ID <164728714.2224242.1354023137701.JavaMail.root@advansee.com>
Download mbox | patch
Permalink /patch/202221/
State Superseded
Delegated to: Stefano Babic
Headers show

Comments

Benoît Thébaudeau - Nov. 27, 2012, 1:32 p.m.
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Reinhard Arlt <reinhard.arlt@esd-electronics.com>
Cc: Michael Weiss <michael.weiss@ifm.com>
---
This patch supersedes http://patchwork.ozlabs.org/patch/177246/ .
Changes for v2:
 - Rebase against latest master.

 .../arch/powerpc/cpu/mpc512x/Makefile              |    1 -
 .../arch/powerpc/cpu/mpc512x/iim.c => /dev/null    |  394 --------------------
 .../board/davedenx/aria/aria.c                     |    2 +-
 .../board/esd/mecp5123/mecp5123.c                  |    2 +-
 .../board/freescale/mpc5121ads/mpc5121ads.c        |    2 +-
 .../board/pdm360ng/pdm360ng.c                      |    2 +-
 .../include/configs/aria.h                         |    2 +-
 .../include/configs/mecp5123.h                     |    2 +-
 .../include/configs/mpc5121ads.h                   |    2 +-
 9 files changed, 7 insertions(+), 402 deletions(-)
 delete mode 100644 u-boot-178d0cc.orig/arch/powerpc/cpu/mpc512x/iim.c

Patch

diff --git u-boot-178d0cc.orig/arch/powerpc/cpu/mpc512x/Makefile u-boot-178d0cc/arch/powerpc/cpu/mpc512x/Makefile
index b53232f..4f4c9ec 100644
--- u-boot-178d0cc.orig/arch/powerpc/cpu/mpc512x/Makefile
+++ u-boot-178d0cc/arch/powerpc/cpu/mpc512x/Makefile
@@ -38,7 +38,6 @@  COBJS-y += serial.o
 COBJS-y += speed.o
 COBJS-$(CONFIG_FSL_DIU_FB) += diu.o
 COBJS-$(CONFIG_CMD_IDE) += ide.o
-COBJS-$(CONFIG_IIM) += iim.o
 COBJS-$(CONFIG_PCI) += pci.o
 
 # Stub implementations of cache management functions for USB
diff --git u-boot-178d0cc.orig/arch/powerpc/cpu/mpc512x/iim.c u-boot-178d0cc.orig/arch/powerpc/cpu/mpc512x/iim.c
deleted file mode 100644
index abec8f6..0000000
--- u-boot-178d0cc.orig/arch/powerpc/cpu/mpc512x/iim.c
+++ /dev/null
@@ -1,394 +0,0 @@ 
-/*
- * Copyright 2008 Silicon Turnkey Express, Inc.
- * Martha Marx <mmarx@silicontkx.com>
- *
- * ADS5121 IIM (Fusebox) Interface
- *
- * 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 <command.h>
-#include <asm/io.h>
-
-#ifdef CONFIG_CMD_FUSE
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static char cur_bank = '1';
-
-char *iim_err_msg(u32 err)
-{
-	static char *IIM_errs[] = {
-		"Parity Error in cache",
-		"Explicit Sense Cycle Error",
-		"Write to Locked Register Error",
-		"Read Protect Error",
-		"Override Protect Error",
-		"Write Protect Error"};
-
-	int i;
-
-	if (!err)
-		return "";
-	for (i = 1; i < 8; i++)
-		if (err & (1 << i))
-			printf("IIM - %s\n", IIM_errs[i-1]);
-	return "";
-}
-
-int in_range(int n, int min, int max, char *err, char *usg)
-{
-	if (n > max || n < min) {
-		printf(err);
-		printf("Usage:\n%s\n", usg);
-		return 0;
-	}
-	return 1;
-}
-
-int ads5121_fuse_read(int bank, int fstart, int num)
-{
-	iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
-	u32 *iim_fb, dummy;
-	int f, ctr;
-
-	out_be32(&iim->err, in_be32(&iim->err));
-	if (bank == 0)
-		iim_fb = (u32 *)&(iim->fbac0);
-	else
-		iim_fb = (u32 *)&(iim->fbac1);
-/* try a read to see if Read Protect is set */
-	dummy = in_be32(&iim_fb[0]);
-	if (in_be32(&iim->err) & IIM_ERR_RPE) {
-		printf("\tRead protect fuse is set\n");
-		out_be32(&iim->err, IIM_ERR_RPE);
-		return 0;
-	}
-	printf("Reading Bank %d cache\n", bank);
-	for (f = fstart, ctr = 0; num > 0; ctr++, num--, f++) {
-		if (ctr % 4 == 0)
-			printf("F%2d:", f);
-		printf("\t%#04x", (u8)(iim_fb[f]));
-		if (ctr % 4 == 3)
-			printf("\n");
-	}
-	if (ctr % 4 != 0)
-		printf("\n");
-}
-
-int ads5121_fuse_override(int bank, int f, u8 val)
-{
-	iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
-	u32 *iim_fb;
-	u32 iim_stat;
-	int i;
-
-	out_be32(&iim->err, in_be32(&iim->err));
-	if (bank == 0)
-		iim_fb = (u32 *)&(iim->fbac0);
-	else
-		iim_fb = (u32 *)&(iim->fbac1);
-/* try a read to see if Read Protect is set */
-	iim_stat = in_be32(&iim_fb[0]);
-	if (in_be32(&iim->err) & IIM_ERR_RPE) {
-		printf("Read protect fuse is set on bank %d;"
-			"Override protect may also be set\n", bank);
-		printf("An attempt will be made to override\n");
-		out_be32(&iim->err, IIM_ERR_RPE);
-	}
-	if (iim_stat & IIM_FBAC_FBOP) {
-		printf("Override protect fuse is set on bank %d\n", bank);
-		return 1;
-	}
-	if (f > IIM_FMAX) /* reset the entire bank */
-		for (i = 0; i < IIM_FMAX + 1; i++)
-			out_be32(&iim_fb[i],  0);
-	else
-		out_be32(&iim_fb[f], val);
-	return 0;
-}
-
-int ads5121_fuse_prog(cmd_tbl_t *cmdtp, int bank, char *fuseno_bitno)
-{
-	iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
-	int f, i, bitno;
-	u32 stat, err;
-
-	f = simple_strtol(fuseno_bitno, NULL, 10);
-	if (f == 0 && fuseno_bitno[0] != '0')
-		f = -1;
-	if (!in_range(f, 0, IIM_FMAX,
-		"<frow> must be between 0-31\n\n", cmdtp->usage))
-		return 1;
-	bitno = -1;
-	for (i = 0; i < 6; i++) {
-		if (fuseno_bitno[i] == '_') {
-			bitno = simple_strtol(&(fuseno_bitno[i+1]), NULL, 10);
-			if (bitno == 0 && fuseno_bitno[i+1] != '0')
-				bitno = -1;
-			break;
-		}
-	}
-	if (!in_range(bitno, 0, 7, "Bit number ranges from 0-7\n"
-		"Example of <frow_bitno>: \"18_4\" sets bit 4 of row 18\n",
-		cmdtp->usage))
-		return 1;
-	out_be32(&iim->err, in_be32(&iim->err));
-	out_be32(&iim->prg_p, IIM_PRG_P_SET);
-	out_be32(&iim->ua, IIM_SET_UA(bank, f));
-	out_be32(&iim->la, IIM_SET_LA(f, bitno));
-#ifdef DEBUG
-	printf("Programming disabled with DEBUG defined \n");
-	printf(""Set up to pro
-	printf("iim.ua = %x; iim.la = %x\n", iim->ua, iim->la);
-#else
-	out_be32(&iim->fctl, IIM_FCTL_PROG_PULSE | IIM_FCTL_PROG);
-	do
-		udelay(20);
-	while ((stat = in_be32(&iim->stat)) & IIM_STAT_BUSY);
-	out_be32(&iim->prg_p, 0);
-	err = in_be32(&iim->err);
-	if (stat & IIM_STAT_PRGD) {
-		if (!(err & (IIM_ERR_WPE | IIM_ERR_WPE))) {
-			printf("Fuse is successfully set");
-			if (err)
-				printf(" - however there are other errors");
-			printf("\n");
-		}
-		iim->stat = 0;
-	}
-	if (err) {
-		iim_err_msg(err);
-		out_be32(&iim->err, in_be32(&iim->err));
-	}
-#endif
-}
-
-int ads5121_fuse_sense(int bank, int fstart, int num)
-{
-	iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
-	u32 iim_fbac;
-	u32 stat, err, err_hold = 0;
-	int f, ctr;
-
-	out_be32(&iim->err, in_be32(&iim->err));
-	if (bank == 0)
-		iim_fbac = in_be32(&iim->fbac0);
-	else
-		iim_fbac = in_be32(&iim->fbac1);
-	if (iim_fbac & IIM_FBAC_FBESP) {
-		printf("\tSense Protect disallows this operation\n");
-		out_be32(&iim->err, IIM_FBAC_FBESP);
-		return 1;
-	}
-	err = in_be32(&iim->err);
-	if (err) {
-		iim_err_msg(err);
-		err_hold |= err;
-	}
-	if (err & IIM_ERR_RPE)
-		printf("\tRead protect fuse is set; "
-			"Sense Protect may be set but will be attempted\n");
-	if (err)
-		out_be32(&iim->err, err);
-	printf("Sensing fuse(s) on Bank %d\n", bank);
-	for (f = fstart, ctr = 0; num > 0; ctr++, f++, num--) {
-		out_be32(&iim->ua, IIM_SET_UA(bank, f));
-		out_be32(&iim->la, IIM_SET_LA(f, 0));
-		out_be32(&iim->fctl,  IIM_FCTL_ESNS_N);
-		do
-			udelay(20);
-		while ((stat = in_be32(&iim->stat)) & IIM_STAT_BUSY);
-		err = in_be32(&iim->err);
-		if (err & IIM_ERR_SNSE) {
-			iim_err_msg(err);
-			out_be32(&iim->err, IIM_ERR_SNSE);
-			return 1;
-		}
-		if (stat & IIM_STAT_SNSD) {
-			out_be32(&iim->stat, 0);
-			if (ctr % 4 == 0)
-				printf("F%2d:", f);
-			printf("\t%#04x", (u8)iim->sdat);
-			if (ctr % 4 == 3)
-				printf("\n");
-		}
-		if (err) {
-			err_hold |= err;
-			out_be32(&iim->err, err);
-		}
-	}
-	if (ctr % 4 != 0)
-		printf("\n");
-	if (err_hold)
-		iim_err_msg(err_hold);
-
-	return 0;
-}
-
-int ads5121_fuse_stat(int bank)
-{
-	iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
-	u32 iim_fbac;
-	u32 err;
-
-	out_be32(&iim->err, in_be32(&iim->err));
-	if (bank == 0)
-		iim_fbac = in_be32(&iim->fbac0);
-	else
-		iim_fbac = in_be32(&iim->fbac1);
-	err = in_be32(&iim->err);
-	if (err)
-		iim_err_msg(err);
-	if (err & IIM_ERR_RPE  || iim_fbac & IIM_FBAC_FBRP) {
-		if (iim_fbac == 0)
-			printf("Since protection settings can't be read - "
-				"try sensing fuse row 0;\n");
-		return 0;
-	}
-	if (iim_fbac & IIM_PROTECTION)
-		printf("Protection Fuses Bank %d = %#04x:\n", bank, iim_fbac);
-	else if (!(err & IIM_ERR_RPE))
-		printf("No Protection fuses are set\n");
-	if (iim_fbac & IIM_FBAC_FBWP)
-		printf("\tWrite Protect fuse is set\n");
-	if (iim_fbac & IIM_FBAC_FBOP)
-		printf("\tOverride Protect fuse is set\n");
-	if (iim_fbac & IIM_FBAC_FBESP)
-		printf("\tSense Protect Fuse is set\n");
-	out_be32(&iim->err, in_be32(&iim->err));
-
-	return 0;
-}
-
-int do_ads5121_fuse(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-	int frow, n, v, bank;
-
-	if (cur_bank == '0')
-		bank = 0;
-	else
-		bank = 1;
-
-	switch (argc) {
-	case 0:
-	case 1:
-		printf("Usage:\n%s\n", cmdtp->usage);
-		return 1;
-	case 2:
-		if (strncmp(argv[1], "stat", 4) == 0)
-			return ads5121_fuse_stat(bank);
-		if (strncmp(argv[1], "read", 4) == 0)
-			return ads5121_fuse_read(bank, 0, IIM_FMAX + 1);
-		if (strncmp(argv[1], "sense", 5) == 0)
-			return ads5121_fuse_sense(bank, 0, IIM_FMAX + 1);
-		if (strncmp(argv[1], "ovride", 6) == 0)
-			return ads5121_fuse_override(bank, IIM_FMAX + 1, 0);
-		if (strncmp(argv[1], "bank", 4) == 0) {
-			printf("Active Fuse Bank is %c\n", cur_bank);
-			return 0;
-		}
-		printf("Usage:\n%s\n", cmdtp->usage);
-		return 1;
-	case 3:
-		if (strncmp(argv[1], "bank", 4) == 0) {
-			if (argv[2][0] == '0')
-				cur_bank = '0';
-			else if (argv[2][0] == '1')
-				cur_bank = '1';
-			else {
-				printf("Usage:\n%s\n", cmdtp->usage);
-				return 1;
-			}
-
-			printf("Setting Active Fuse Bank to %c\n", cur_bank);
-			return 0;
-		}
-		if (strncmp(argv[1], "prog", 4) == 0)
-			return ads5121_fuse_prog(cmdtp, bank, argv[2]);
-
-		frow = (int)simple_strtol(argv[2], NULL, 10);
-		if (frow == 0 && argv[2][0] != '0')
-			frow = -1;
-		if (!in_range(frow, 0, IIM_FMAX,
-			"<frow> must be between 0-31\n\n", cmdtp->usage))
-			return 1;
-		if (strncmp(argv[1], "read", 4) == 0)
-			return ads5121_fuse_read(bank, frow, 1);
-		if (strncmp(argv[1], "ovride", 6) == 0)
-			return ads5121_fuse_override(bank, frow, 0);
-		if (strncmp(argv[1], "sense", 5) == 0)
-			return ads5121_fuse_sense(bank, frow, 1);
-		printf("Usage:\n%s\n", cmdtp->usage);
-		return 1;
-	case 4:
-		frow = (int)simple_strtol(argv[2], NULL, 10);
-		if (frow == 0 && argv[2][0] != '0')
-			frow = -1;
-		if (!in_range(frow, 0, IIM_FMAX,
-			"<frow> must be between 0-31\n\n", cmdtp->usage))
-			return 1;
-		if (strncmp(argv[1], "read", 4) == 0) {
-			n = (int)simple_strtol(argv[3], NULL, 10);
-			if (!in_range(frow + n, frow + 1, IIM_FMAX + 1,
-				"<frow>+<n> must be between 1-32\n\n",
-				cmdtp->usage))
-				return 1;
-			return ads5121_fuse_read(bank, frow, n);
-		}
-		if (strncmp(argv[1], "ovride", 6) == 0) {
-			v = (int)simple_strtol(argv[3], NULL, 10);
-			return ads5121_fuse_override(bank, frow, v);
-		}
-		if (strncmp(argv[1], "sense", 5) == 0) {
-			n = (int)simple_strtol(argv[3], NULL, 10);
-			if (!in_range(frow + n, frow + 1, IIM_FMAX + 1,
-				"<frow>+<n> must be between 1-32\n\n",
-				cmdtp->usage))
-				return 1;
-			return ads5121_fuse_sense(bank, frow, n);
-		}
-		printf("Usage:\n%s\n", cmdtp->usage);
-		return 1;
-	default: /* at least 5 args */
-		printf("Usage:\n%s\n", cmdtp->usage);
-		return 1;
-	}
-}
-
-U_BOOT_CMD(
-	fuse, CONFIG_SYS_MAXARGS, 0, do_ads5121_fuse,
-	"   - Read, Sense, Override or Program Fuses\n",
-	"bank <n>		- sets active Fuse Bank to 0 or 1\n"
-	"			    no args shows current active bank\n"
-	"fuse stat		- print active fuse bank's protection status\n"
-	"fuse read [<frow> [<n>]] - print <n> fuse rows starting at <frow>\n"
-	"			    no args to print entire bank's fuses\n"
-	"fuse ovride [<frow> [<v>]]- override fuses at <frow> with <v>\n"
-	"			    no <v> defaults to 0 for the row\n"
-	"			    no args resets entire bank to 0\n"
-	"			  NOTE - settings persist until hard reset\n"
-	"fuse sense [<frow>]	- senses current fuse at <frow>\n"
-	"			    no args for entire bank\n"
-	"fuse prog <frow_bit> 	- program fuse at row <frow>, bit <_bit>\n"
-	"			    <frow> is 0-31, <bit> is 0-7; eg. 13_2 \n"
-	"			  WARNING - this is permanent"
-);
-#endif /* CONFIG_CMD_FUSE */
diff --git u-boot-178d0cc.orig/board/davedenx/aria/aria.c u-boot-178d0cc/board/davedenx/aria/aria.c
index 31b079b..d2ffba4 100644
--- u-boot-178d0cc.orig/board/davedenx/aria/aria.c
+++ u-boot-178d0cc/board/davedenx/aria/aria.c
@@ -92,7 +92,7 @@  int board_early_init_f(void)
 	 */
 	out_be32(&im->clk.sccr[0], SCCR1_CLOCKS_EN);
 	out_be32(&im->clk.sccr[1], SCCR2_CLOCKS_EN);
-#if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
+#if defined(CONFIG_FSL_IIM) || defined(CONFIG_CMD_FUSE)
 	setbits_be32(&im->clk.sccr[1], CLOCK_SCCR2_IIM_EN);
 #endif
 
diff --git u-boot-178d0cc.orig/board/esd/mecp5123/mecp5123.c u-boot-178d0cc/board/esd/mecp5123/mecp5123.c
index 748ad7c..804a022 100644
--- u-boot-178d0cc.orig/board/esd/mecp5123/mecp5123.c
+++ u-boot-178d0cc/board/esd/mecp5123/mecp5123.c
@@ -110,7 +110,7 @@  int board_early_init_f(void)
 	 */
 	out_be32(&im->clk.sccr[0], SCCR1_CLOCKS_EN);
 	out_be32(&im->clk.sccr[1], SCCR2_CLOCKS_EN);
-#if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
+#if defined(CONFIG_FSL_IIM) || defined(CONFIG_CMD_FUSE)
 	setbits_be32(&im->clk.sccr[1], CLOCK_SCCR2_IIM_EN);
 #endif
 
diff --git u-boot-178d0cc.orig/board/freescale/mpc5121ads/mpc5121ads.c u-boot-178d0cc/board/freescale/mpc5121ads/mpc5121ads.c
index 97eeab3..0d33680 100644
--- u-boot-178d0cc.orig/board/freescale/mpc5121ads/mpc5121ads.c
+++ u-boot-178d0cc/board/freescale/mpc5121ads/mpc5121ads.c
@@ -129,7 +129,7 @@  int board_early_init_f(void)
 	 */
 	out_be32 (&im->clk.sccr[0], SCCR1_CLOCKS_EN);
 	out_be32 (&im->clk.sccr[1], SCCR2_CLOCKS_EN);
-#if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
+#if defined(CONFIG_FSL_IIM) || defined(CONFIG_CMD_FUSE)
 	setbits_be32 (&im->clk.sccr[1], CLOCK_SCCR2_IIM_EN);
 #endif
 
diff --git u-boot-178d0cc.orig/board/pdm360ng/pdm360ng.c u-boot-178d0cc/board/pdm360ng/pdm360ng.c
index a2a1323..da81590 100644
--- u-boot-178d0cc.orig/board/pdm360ng/pdm360ng.c
+++ u-boot-178d0cc/board/pdm360ng/pdm360ng.c
@@ -94,7 +94,7 @@  int board_early_init_f(void)
 	 */
 	out_be32(&im->clk.sccr[0], SCCR1_CLOCKS_EN);
 	out_be32(&im->clk.sccr[1], SCCR2_CLOCKS_EN);
-#if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
+#if defined(CONFIG_FSL_IIM) || defined(CONFIG_CMD_FUSE)
 	setbits_be32(&im->clk.sccr[1], CLOCK_SCCR2_IIM_EN);
 #endif
 
diff --git u-boot-178d0cc.orig/include/configs/aria.h u-boot-178d0cc/include/configs/aria.h
index 0b31c50..7905e45 100644
--- u-boot-178d0cc.orig/include/configs/aria.h
+++ u-boot-178d0cc/include/configs/aria.h
@@ -379,7 +379,7 @@ 
 /*
  * IIM - IC Identification Module
  */
-#undef CONFIG_IIM
+#undef CONFIG_FSL_IIM
 
 /*
  * EEPROM configuration for Atmel AT24C32A-10TQ-2.7:
diff --git u-boot-178d0cc.orig/include/configs/mecp5123.h u-boot-178d0cc/include/configs/mecp5123.h
index cafc273..8db47ed 100644
--- u-boot-178d0cc.orig/include/configs/mecp5123.h
+++ u-boot-178d0cc/include/configs/mecp5123.h
@@ -251,7 +251,7 @@ 
 /*
  * IIM - IC Identification Module
  */
-#undef CONFIG_IIM
+#undef CONFIG_FSL_IIM
 
 /*
  * EEPROM configuration
diff --git u-boot-178d0cc.orig/include/configs/mpc5121ads.h u-boot-178d0cc/include/configs/mpc5121ads.h
index 3f55d35..5b34124 100644
--- u-boot-178d0cc.orig/include/configs/mpc5121ads.h
+++ u-boot-178d0cc/include/configs/mpc5121ads.h
@@ -347,7 +347,7 @@ 
 /*
  * IIM - IC Identification Module
  */
-#undef CONFIG_IIM
+#undef CONFIG_FSL_IIM
 
 /*
  * EEPROM configuration