| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20230203190834.yzxi4aaup5yhebj2@pali>
Date: Fri, 3 Feb 2023 20:08:34 +0100
From: Pali Rohár <pali@...nel.org>
To: Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin <npiggin@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Scott Wood <oss@...error.net>, Sinan Akman <sinan@...teme.com>,
Martin Kennedy <hurricos@...il.com>
Cc: linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/8] powerpc/85xx: p2020: Move all P2020 machine
descriptions to p2020.c
On Saturday 24 December 2022 22:14:20 Pali Rohár wrote:
> This moves machine descriptions and all related code for all P2020 boards
> into new p2020.c source file. This change also copies helper static
> functions from other mpc85xx*.c files into p2020.c, which are required for
> machine descriptions. This is preparation for code de-duplication and
> providing one unified machine description for all P2020 boards. In
> follow-up patches would be copied functions refactored and simplified to be
> specific just for P2020 boards.
>
> Signed-off-by: Pali Rohár <pali@...nel.org>
> ---
> arch/powerpc/platforms/85xx/Makefile | 2 +
> arch/powerpc/platforms/85xx/mpc85xx_ds.c | 23 --
> arch/powerpc/platforms/85xx/mpc85xx_rdb.c | 44 ----
> arch/powerpc/platforms/85xx/p2020.c | 273 ++++++++++++++++++++++
> 4 files changed, 275 insertions(+), 67 deletions(-)
> create mode 100644 arch/powerpc/platforms/85xx/p2020.c
Here is same patch, but generated by git -M and -C options. Maybe it is more readable?
arch/powerpc/platforms/85xx/Makefile | 2 +
arch/powerpc/platforms/85xx/mpc85xx_ds.c | 23 ----
arch/powerpc/platforms/85xx/mpc85xx_rdb.c | 44 -------
.../platforms/85xx/{mpc85xx_ds.c => p2020.c} | 134 ++++++++++++++-------
4 files changed, 91 insertions(+), 112 deletions(-)
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 260fbad7967b..1ad261b4eeb6 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -23,6 +23,8 @@ obj-$(CONFIG_P1010_RDB) += p1010rdb.o
obj-$(CONFIG_P1022_DS) += p1022_ds.o
obj-$(CONFIG_P1022_RDK) += p1022_rdk.o
obj-$(CONFIG_P1023_RDB) += p1023_rdb.o
+obj-$(CONFIG_MPC85xx_DS) += p2020.o
+obj-$(CONFIG_MPC85xx_RDB) += p2020.o
obj-$(CONFIG_TWR_P102x) += twr_p102x.o
obj-$(CONFIG_CORENET_GENERIC) += corenet_generic.o
obj-$(CONFIG_FB_FSL_DIU) += t1042rdb_diu.o
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 9a6d637ef54a..05aac997b5ed 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -168,7 +168,6 @@ static int __init mpc8544_ds_probe(void)
machine_arch_initcall(mpc8544_ds, mpc85xx_common_publish_devices);
machine_arch_initcall(mpc8572_ds, mpc85xx_common_publish_devices);
-machine_arch_initcall(p2020_ds, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
@@ -178,14 +177,6 @@ static int __init mpc8572_ds_probe(void)
return !!of_machine_is_compatible("fsl,MPC8572DS");
}
-/*
- * Called very early, device-tree isn't unflattened
- */
-static int __init p2020_ds_probe(void)
-{
- return !!of_machine_is_compatible("fsl,P2020DS");
-}
-
define_machine(mpc8544_ds) {
.name = "MPC8544 DS",
.probe = mpc8544_ds_probe,
@@ -213,17 +204,3 @@ define_machine(mpc8572_ds) {
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
-
-define_machine(p2020_ds) {
- .name = "P2020 DS",
- .probe = p2020_ds_probe,
- .setup_arch = mpc85xx_ds_setup_arch,
- .init_IRQ = mpc85xx_ds_pic_init,
-#ifdef CONFIG_PCI
- .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
- .pcibios_fixup_phb = fsl_pcibios_fixup_phb,
-#endif
- .get_irq = mpic_get_irq,
- .calibrate_decr = generic_calibrate_decr,
- .progress = udbg_progress,
-};
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
index b6129c148fea..05f1ed635735 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
@@ -108,8 +108,6 @@ static void __init mpc85xx_rdb_setup_arch(void)
printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
}
-machine_arch_initcall(p2020_rdb, mpc85xx_common_publish_devices);
-machine_arch_initcall(p2020_rdb_pc, mpc85xx_common_publish_devices);
machine_arch_initcall(p1020_mbg_pc, mpc85xx_common_publish_devices);
machine_arch_initcall(p1020_rdb, mpc85xx_common_publish_devices);
machine_arch_initcall(p1020_rdb_pc, mpc85xx_common_publish_devices);
@@ -122,13 +120,6 @@ machine_arch_initcall(p1024_rdb, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
*/
-static int __init p2020_rdb_probe(void)
-{
- if (of_machine_is_compatible("fsl,P2020RDB"))
- return 1;
- return 0;
-}
-
static int __init p1020_rdb_probe(void)
{
if (of_machine_is_compatible("fsl,P1020RDB"))
@@ -153,13 +144,6 @@ static int __init p1021_rdb_pc_probe(void)
return 0;
}
-static int __init p2020_rdb_pc_probe(void)
-{
- if (of_machine_is_compatible("fsl,P2020RDB-PC"))
- return 1;
- return 0;
-}
-
static int __init p1025_rdb_probe(void)
{
return of_machine_is_compatible("fsl,P1025RDB");
@@ -180,20 +164,6 @@ static int __init p1024_rdb_probe(void)
return of_machine_is_compatible("fsl,P1024RDB");
}
-define_machine(p2020_rdb) {
- .name = "P2020 RDB",
- .probe = p2020_rdb_probe,
- .setup_arch = mpc85xx_rdb_setup_arch,
- .init_IRQ = mpc85xx_rdb_pic_init,
-#ifdef CONFIG_PCI
- .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
- .pcibios_fixup_phb = fsl_pcibios_fixup_phb,
-#endif
- .get_irq = mpic_get_irq,
- .calibrate_decr = generic_calibrate_decr,
- .progress = udbg_progress,
-};
-
define_machine(p1020_rdb) {
.name = "P1020 RDB",
.probe = p1020_rdb_probe,
@@ -222,20 +192,6 @@ define_machine(p1021_rdb_pc) {
.progress = udbg_progress,
};
-define_machine(p2020_rdb_pc) {
- .name = "P2020RDB-PC",
- .probe = p2020_rdb_pc_probe,
- .setup_arch = mpc85xx_rdb_setup_arch,
- .init_IRQ = mpc85xx_rdb_pic_init,
-#ifdef CONFIG_PCI
- .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
- .pcibios_fixup_phb = fsl_pcibios_fixup_phb,
-#endif
- .get_irq = mpic_get_irq,
- .calibrate_decr = generic_calibrate_decr,
- .progress = udbg_progress,
-};
-
define_machine(p1025_rdb) {
.name = "P1025 RDB",
.probe = p1025_rdb_probe,
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/p2020.c
similarity index 65%
copy from arch/powerpc/platforms/85xx/mpc85xx_ds.c
copy to arch/powerpc/platforms/85xx/p2020.c
index 9a6d637ef54a..d65d4c88ac47 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/p2020.c
@@ -1,11 +1,9 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * MPC85xx DS Board Setup
+ * Freescale P2020 board Setup
*
- * Author Xianghua Xiao (x.xiao@...escale.com)
- * Roy Zang <tie-fei.zang@...escale.com>
- * - Add PCI/PCI Exprees support
- * Copyright 2007 Freescale Semiconductor Inc.
+ * Copyright 2007,2009,2012-2013 Freescale Semiconductor Inc.
+ * Copyright 2022 Pali Rohár <pali@...nel.org>
*/
#include <linux/stddef.h>
@@ -17,6 +15,7 @@
#include <linux/interrupt.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/fsl/guts.h>
#include <asm/time.h>
#include <asm/machdep.h>
@@ -27,6 +26,8 @@
#include <asm/i8259.h>
#include <asm/swiotlb.h>
+#include <soc/fsl/qe/qe.h>
+
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "smp.h"
@@ -41,6 +42,8 @@
#define DBG(fmt, args...)
#endif
+#ifdef CONFIG_MPC85xx_DS
+
#ifdef CONFIG_PPC_I8259
static void mpc85xx_8259_cascade(struct irq_desc *desc)
{
@@ -62,18 +65,11 @@ static void __init mpc85xx_ds_pic_init(void)
struct device_node *cascade_node = NULL;
int cascade_irq;
#endif
- if (of_machine_is_compatible("fsl,MPC8572DS-CAMP")) {
- mpic = mpic_alloc(NULL, 0,
- MPIC_NO_RESET |
- MPIC_BIG_ENDIAN |
- MPIC_SINGLE_DEST_CPU,
- 0, 256, " OpenPIC ");
- } else {
- mpic = mpic_alloc(NULL, 0,
- MPIC_BIG_ENDIAN |
- MPIC_SINGLE_DEST_CPU,
- 0, 256, " OpenPIC ");
- }
+
+ mpic = mpic_alloc(NULL, 0,
+ MPIC_BIG_ENDIAN |
+ MPIC_SINGLE_DEST_CPU,
+ 0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);
@@ -142,9 +138,27 @@ static void __init mpc85xx_ds_uli_init(void)
#endif
}
+#endif /* CONFIG_MPC85xx_DS */
+
+#ifdef CONFIG_MPC85xx_RDB
+static void __init mpc85xx_rdb_pic_init(void)
+{
+ struct mpic *mpic;
+
+ mpic = mpic_alloc(NULL, 0,
+ MPIC_BIG_ENDIAN |
+ MPIC_SINGLE_DEST_CPU,
+ 0, 256, " OpenPIC ");
+
+ BUG_ON(mpic == NULL);
+ mpic_init(mpic);
+}
+#endif /* CONFIG_MPC85xx_RDB */
+
/*
* Setup the architecture
*/
+#ifdef CONFIG_MPC85xx_DS
static void __init mpc85xx_ds_setup_arch(void)
{
if (ppc_md.progress)
@@ -157,38 +171,65 @@ static void __init mpc85xx_ds_setup_arch(void)
printk("MPC85xx DS board from Freescale Semiconductor\n");
}
+#endif /* CONFIG_MPC85xx_DS */
-/*
- * Called very early, device-tree isn't unflattened
- */
-static int __init mpc8544_ds_probe(void)
+#ifdef CONFIG_MPC85xx_RDB
+static void __init mpc85xx_rdb_setup_arch(void)
{
- return !!of_machine_is_compatible("MPC8544DS");
+ if (ppc_md.progress)
+ ppc_md.progress("mpc85xx_rdb_setup_arch()", 0);
+
+ mpc85xx_smp_init();
+
+ fsl_pci_assign_primary();
+
+#ifdef CONFIG_QUICC_ENGINE
+ mpc85xx_qe_par_io_init();
+#endif /* CONFIG_QUICC_ENGINE */
+
+ printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
}
+#endif /* CONFIG_MPC85xx_RDB */
-machine_arch_initcall(mpc8544_ds, mpc85xx_common_publish_devices);
-machine_arch_initcall(mpc8572_ds, mpc85xx_common_publish_devices);
+#ifdef CONFIG_MPC85xx_DS
machine_arch_initcall(p2020_ds, mpc85xx_common_publish_devices);
+#endif /* CONFIG_MPC85xx_DS */
-/*
- * Called very early, device-tree isn't unflattened
- */
-static int __init mpc8572_ds_probe(void)
-{
- return !!of_machine_is_compatible("fsl,MPC8572DS");
-}
+#ifdef CONFIG_MPC85xx_RDB
+machine_arch_initcall(p2020_rdb, mpc85xx_common_publish_devices);
+machine_arch_initcall(p2020_rdb_pc, mpc85xx_common_publish_devices);
+#endif /* CONFIG_MPC85xx_RDB */
/*
* Called very early, device-tree isn't unflattened
*/
+#ifdef CONFIG_MPC85xx_DS
static int __init p2020_ds_probe(void)
{
return !!of_machine_is_compatible("fsl,P2020DS");
}
+#endif /* CONFIG_MPC85xx_DS */
+
+#ifdef CONFIG_MPC85xx_RDB
+static int __init p2020_rdb_probe(void)
+{
+ if (of_machine_is_compatible("fsl,P2020RDB"))
+ return 1;
+ return 0;
+}
+
+static int __init p2020_rdb_pc_probe(void)
+{
+ if (of_machine_is_compatible("fsl,P2020RDB-PC"))
+ return 1;
+ return 0;
+}
+#endif /* CONFIG_MPC85xx_RDB */
-define_machine(mpc8544_ds) {
- .name = "MPC8544 DS",
- .probe = mpc8544_ds_probe,
+#ifdef CONFIG_MPC85xx_DS
+define_machine(p2020_ds) {
+ .name = "P2020 DS",
+ .probe = p2020_ds_probe,
.setup_arch = mpc85xx_ds_setup_arch,
.init_IRQ = mpc85xx_ds_pic_init,
#ifdef CONFIG_PCI
@@ -199,12 +240,14 @@ define_machine(mpc8544_ds) {
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
-
-define_machine(mpc8572_ds) {
- .name = "MPC8572 DS",
- .probe = mpc8572_ds_probe,
- .setup_arch = mpc85xx_ds_setup_arch,
- .init_IRQ = mpc85xx_ds_pic_init,
+#endif /* CONFIG_MPC85xx_DS */
+
+#ifdef CONFIG_MPC85xx_RDB
+define_machine(p2020_rdb) {
+ .name = "P2020 RDB",
+ .probe = p2020_rdb_probe,
+ .setup_arch = mpc85xx_rdb_setup_arch,
+ .init_IRQ = mpc85xx_rdb_pic_init,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
@@ -214,11 +257,11 @@ define_machine(mpc8572_ds) {
.progress = udbg_progress,
};
-define_machine(p2020_ds) {
- .name = "P2020 DS",
- .probe = p2020_ds_probe,
- .setup_arch = mpc85xx_ds_setup_arch,
- .init_IRQ = mpc85xx_ds_pic_init,
+define_machine(p2020_rdb_pc) {
+ .name = "P2020RDB-PC",
+ .probe = p2020_rdb_pc_probe,
+ .setup_arch = mpc85xx_rdb_setup_arch,
+ .init_IRQ = mpc85xx_rdb_pic_init,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
@@ -227,3 +270,4 @@ define_machine(p2020_ds) {
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
+#endif /* CONFIG_MPC85xx_RDB */
Powered by blists - more mailing lists