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authorHaiying Wang <Haiying.Wang@freescale.com>2010-05-21 18:16:12 +0400
committerKumar Gala <galak@kernel.crashing.org>2010-05-25 06:29:25 +0400
commit48936a08b85518c22a9467a8eaac35d43af54ab4 (patch)
tree49243b31d948199f5141377c4bb58d1c5224b645 /arch/powerpc/platforms/85xx/mpc85xx_mds.c
parent710e33832653cccf7fc432023e7dbe8c49a1902f (diff)
downloadlinux-48936a08b85518c22a9467a8eaac35d43af54ab4.tar.xz
powerpc/85xx: Add P1021MDS board support
P1021 is a dual e500v2 core based SOC with: * 3 eTSECs (eTSEC1/3 RGMII, eTSEC2 SGMII on this board) * 2 PCIe Controller * 1 USB2.0 controller * eSDHC, eSPI, I2C, DUART * eLBC (NAND, BCSR, PMC0/1) * Security Engine (SEC 3.3.2) * Quicc Engine (QE) Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com> Signed-off-by: Yu Liu <Yu.Liu@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/85xx/mpc85xx_mds.c')
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_mds.c102
1 files changed, 99 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index f0684c8ac960..8fe87fc61485 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) Freescale Semicondutor, Inc. 2006-2007. All rights reserved.
+ * Copyright (C) Freescale Semicondutor, Inc. 2006-2010. All rights reserved.
*
* Author: Andy Fleming <afleming@freescale.com>
*
@@ -154,6 +154,10 @@ static int mpc8568_mds_phy_fixups(struct phy_device *phydev)
* Setup the architecture
*
*/
+#ifdef CONFIG_SMP
+extern void __init mpc85xx_smp_init(void);
+#endif
+
static void __init mpc85xx_mds_setup_arch(void)
{
struct device_node *np;
@@ -194,6 +198,10 @@ static void __init mpc85xx_mds_setup_arch(void)
}
#endif
+#ifdef CONFIG_SMP
+ mpc85xx_smp_init();
+#endif
+
#ifdef CONFIG_QUICC_ENGINE
np = of_find_compatible_node(NULL, NULL, "fsl,qe");
if (!np) {
@@ -271,9 +279,49 @@ static void __init mpc85xx_mds_setup_arch(void)
BCSR_UCC_RGMII, BCSR_UCC_RTBI);
}
+ } else if (machine_is(p1021_mds)) {
+#define BCSR11_ENET_MICRST (0x1 << 5)
+ /* Reset Micrel PHY */
+ clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
+ setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
}
+
iounmap(bcsr_regs);
}
+
+ if (machine_is(p1021_mds)) {
+#define MPC85xx_PMUXCR_OFFSET 0x60
+#define MPC85xx_PMUXCR_QE0 0x00008000
+#define MPC85xx_PMUXCR_QE3 0x00001000
+#define MPC85xx_PMUXCR_QE9 0x00000040
+#define MPC85xx_PMUXCR_QE12 0x00000008
+ static __be32 __iomem *pmuxcr;
+
+ np = of_find_node_by_name(NULL, "global-utilities");
+
+ if (np) {
+ pmuxcr = of_iomap(np, 0) + MPC85xx_PMUXCR_OFFSET;
+
+ if (!pmuxcr)
+ printk(KERN_EMERG "Error: Alternate function"
+ " signal multiplex control register not"
+ " mapped!\n");
+ else
+ /* P1021 has pins muxed for QE and other functions. To
+ * enable QE UEC mode, we need to set bit QE0 for UCC1
+ * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9
+ * and QE12 for QE MII management singals in PMUXCR
+ * register.
+ */
+ setbits32(pmuxcr, MPC85xx_PMUXCR_QE0 |
+ MPC85xx_PMUXCR_QE3 |
+ MPC85xx_PMUXCR_QE9 |
+ MPC85xx_PMUXCR_QE12);
+
+ of_node_put(np);
+ }
+
+ }
#endif /* CONFIG_QUICC_ENGINE */
#ifdef CONFIG_SWIOTLB
@@ -330,6 +378,16 @@ static struct of_device_id mpc85xx_ids[] = {
{},
};
+static struct of_device_id p1021_ids[] = {
+ { .type = "soc", },
+ { .compatible = "soc", },
+ { .compatible = "simple-bus", },
+ { .type = "qe", },
+ { .compatible = "fsl,qe", },
+ { .compatible = "gianfar", },
+ {},
+};
+
static int __init mpc85xx_publish_devices(void)
{
if (machine_is(mpc8568_mds))
@@ -342,11 +400,22 @@ static int __init mpc85xx_publish_devices(void)
return 0;
}
+
+static int __init p1021_publish_devices(void)
+{
+ /* Publish the QE devices */
+ of_platform_bus_probe(NULL, p1021_ids, NULL);
+
+ return 0;
+}
+
machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);
machine_device_initcall(mpc8569_mds, mpc85xx_publish_devices);
+machine_device_initcall(p1021_mds, p1021_publish_devices);
machine_arch_initcall(mpc8568_mds, swiotlb_setup_bus_notifier);
machine_arch_initcall(mpc8569_mds, swiotlb_setup_bus_notifier);
+machine_arch_initcall(p1021_mds, swiotlb_setup_bus_notifier);
static void __init mpc85xx_mds_pic_init(void)
{
@@ -366,7 +435,7 @@ static void __init mpc85xx_mds_pic_init(void)
mpic = mpic_alloc(np, r.start,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
- MPIC_BROKEN_FRR_NIRQS,
+ MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
of_node_put(np);
@@ -380,7 +449,11 @@ static void __init mpc85xx_mds_pic_init(void)
if (!np)
return;
}
- qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
+ if (machine_is(p1021_mds))
+ qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
+ qe_ic_cascade_high_mpic);
+ else
+ qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
of_node_put(np);
#endif /* CONFIG_QUICC_ENGINE */
}
@@ -426,3 +499,26 @@ define_machine(mpc8569_mds) {
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
};
+
+static int __init p1021_mds_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ return of_flat_dt_is_compatible(root, "fsl,P1021MDS");
+
+}
+
+define_machine(p1021_mds) {
+ .name = "P1021 MDS",
+ .probe = p1021_mds_probe,
+ .setup_arch = mpc85xx_mds_setup_arch,
+ .init_IRQ = mpc85xx_mds_pic_init,
+ .get_irq = mpic_get_irq,
+ .restart = fsl_rstcr_restart,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+#ifdef CONFIG_PCI
+ .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
+#endif
+};
+