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Message-Id: <f5007117d2059ee30464c8cf031c8294c99569d8.1677076552.git.christophe.leroy@csgroup.eu>
Date: Wed, 22 Feb 2023 15:43:00 +0100
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: Pali Rohár <pali@...nel.org>,
Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin <npiggin@...il.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v4 13/17] powerpc/85xx: mpc85xx_ds: Move PCI code into own file
From: Pali Rohár <pali@...nel.org>
In order to share between DS and P2020.
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
arch/powerpc/platforms/85xx/Makefile | 3 +-
arch/powerpc/platforms/85xx/mpc85xx.h | 6 +++
arch/powerpc/platforms/85xx/mpc85xx_ds.c | 32 ------------
arch/powerpc/platforms/85xx/mpc85xx_uli.c | 64 +++++++++++++++++++++++
4 files changed, 72 insertions(+), 33 deletions(-)
create mode 100644 arch/powerpc/platforms/85xx/mpc85xx_uli.c
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 0a0011e8c63c..65abd5a161c0 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -17,7 +17,8 @@ obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o
obj8259-$(CONFIG_PPC_I8259) += mpc85xx_8259.o
-obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o p2020.o $(obj8259-y)
+objpci-$(CONFIG_PCI) += mpc85xx_uli.o
+obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o p2020.o $(obj8259-y) $(objpci-y)
obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o p2020.o
obj-$(CONFIG_P1010_RDB) += p1010rdb.o
diff --git a/arch/powerpc/platforms/85xx/mpc85xx.h b/arch/powerpc/platforms/85xx/mpc85xx.h
index e792907ee3d5..b77bb9e7e79c 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx.h
+++ b/arch/powerpc/platforms/85xx/mpc85xx.h
@@ -21,6 +21,12 @@ void __init mpc85xx_8259_init(void);
static inline void __init mpc85xx_8259_init(void) {}
#endif
+#ifdef CONFIG_PCI
+void __init mpc85xx_ds_uli_init(void);
+#else
+static inline void __init mpc85xx_ds_uli_init(void) {}
+#endif
+
void __init mpc85xx_ds_pic_init(void);
void __init mpc85xx_ds_setup_arch(void);
void __init mpc85xx_rdb_setup_arch(void);
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 011ae86d72f4..f9ac0b6022b1 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -52,38 +52,6 @@ void __init mpc85xx_ds_pic_init(void)
mpc85xx_8259_init();
}
-static struct device_node *pci_with_uli;
-
-static int mpc85xx_exclude_device(struct pci_controller *hose,
- u_char bus, u_char devfn)
-{
- if (hose->dn == pci_with_uli)
- return uli_exclude_device(hose, bus, devfn);
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static void __init mpc85xx_ds_uli_init(void)
-{
- struct device_node *node;
-
- if (!IS_ENABLED(CONFIG_PCI))
- return;
-
- /* See if we have a ULI under the primary */
-
- node = of_find_node_by_name(NULL, "uli1575");
- while ((pci_with_uli = of_get_parent(node))) {
- of_node_put(node);
- node = pci_with_uli;
-
- if (pci_with_uli == fsl_pci_primary) {
- ppc_md.pci_exclude_device = mpc85xx_exclude_device;
- break;
- }
- }
-}
-
/*
* Setup the architecture
*/
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_uli.c b/arch/powerpc/platforms/85xx/mpc85xx_uli.c
new file mode 100644
index 000000000000..f91fe860985b
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mpc85xx_uli.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * MPC85xx PCI functions for DS 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.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/interrupt.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <mm/mmu_decl.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+#include <asm/i8259.h>
+#include <asm/swiotlb.h>
+#include <asm/ppc-pci.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+#include "smp.h"
+
+#include "mpc85xx.h"
+
+static struct device_node *pci_with_uli;
+
+static int mpc85xx_exclude_device(struct pci_controller *hose,
+ u_char bus, u_char devfn)
+{
+ if (hose->dn == pci_with_uli)
+ return uli_exclude_device(hose, bus, devfn);
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+void __init mpc85xx_ds_uli_init(void)
+{
+ struct device_node *node;
+
+ /* See if we have a ULI under the primary */
+
+ node = of_find_node_by_name(NULL, "uli1575");
+ while ((pci_with_uli = of_get_parent(node))) {
+ of_node_put(node);
+ node = pci_with_uli;
+
+ if (pci_with_uli == fsl_pci_primary) {
+ ppc_md.pci_exclude_device = mpc85xx_exclude_device;
+ break;
+ }
+ }
+}
--
2.39.1
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