From: Andrei Dolnikov <adolnikov@ru•mvista.com>
To: linuxppc-dev@ozlabs•org
Subject: [PATCH 4/5] PowerPC 74xx: Katana Qp base support
Date: Thu, 29 Nov 2007 18:42:00 +0300 [thread overview]
Message-ID: <20071129154200.GE13751@ru.mvista.com> (raw)
In-Reply-To: <20071129150726.GA13751@ru.mvista.com>
Emerson Katana Qp platform specific code
Signed-off-by: Andrei Dolnikov <adolnikov@ru•mvista.com>
---
Kconfig | 9 +++
Makefile | 1
katanaqp.c | 168 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 178 insertions(+)
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig
index 8924095..33190bd 100644
--- a/arch/powerpc/platforms/embedded6xx/Kconfig
+++ b/arch/powerpc/platforms/embedded6xx/Kconfig
@@ -46,6 +46,15 @@ config PPC_PRPMC2800
help
This option enables support for the Motorola PrPMC2800 board
+config PPC_KATANAQP
+ bool "Emerson-Katana Qp"
+ depends on EMBEDDED6xx
+ select MV64X60
+ select NOT_COHERENT_CACHE
+ select WANT_DEVICE_TREE
+ help
+ This option enables support for the Emerson Katana Qp board
+
config TSI108_BRIDGE
bool
depends on MPC7448HPC2 || PPC_HOLLY
diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile
index 844947c..c83558f 100644
--- a/arch/powerpc/platforms/embedded6xx/Makefile
+++ b/arch/powerpc/platforms/embedded6xx/Makefile
@@ -5,3 +5,4 @@ obj-$(CONFIG_MPC7448HPC2) += mpc7448_hpc2.o
obj-$(CONFIG_LINKSTATION) += linkstation.o ls_uart.o
obj-$(CONFIG_PPC_HOLLY) += holly.o
obj-$(CONFIG_PPC_PRPMC2800) += prpmc2800.o
+obj-$(CONFIG_PPC_KATANAQP) += katanaqp.o
diff --git a/arch/powerpc/platforms/embedded6xx/katanaqp.c b/arch/powerpc/platforms/embedded6xx/katanaqp.c
new file mode 100644
index 0000000..64fb608
--- /dev/null
+++ b/arch/powerpc/platforms/embedded6xx/katanaqp.c
@@ -0,0 +1,168 @@
+/*
+ * Board setup routines for the Emerson Katana Qp
+ *
+ * Authors: Vladislav Buzov <vbuzov@ru•mvista.com>
+ * Andrei Dolnikov <adolnikov@ru•mvista.com>
+ *
+ * Based on prpmc2800.c by Dale Farnsworth <dale@farnsworth•org>
+ *
+ * 2007 (c) MontaVista, Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/seq_file.h>
+#include <linux/of_platform.h>
+#include <linux/pci.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/kexec.h>
+
+#include <mm/mmu_decl.h>
+
+#include <sysdev/mv64x60.h>
+
+#define PLATFORM_NAME_MAX 64
+
+/* CPLD registers definitions */
+#define KATANAQP_CPLD_RCR 0x0004 /* Reset command */
+#define KATANAQP_CPLD_RCR_CPUHR (1 << 7)
+
+#define KATANAQP_CPLD_HVR 0x0020
+
+#define KATANAQP_CPLD_PSR 0x0030 /* PCI status */
+#define KATANAQP_CPLD_PSR_PMCM (1 << 1)
+
+#define KATANAQP_CPLD_HCR 0x0044
+
+static char katanaqp_platform_name[PLATFORM_NAME_MAX];
+
+static void __iomem *cpld_base;
+
+static int katanaqp_exclude_device(struct pci_controller *hose, u_char bus,
+ u_char devfn)
+{
+ if (bus == 0 && PCI_SLOT(devfn) == 0)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ else
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int __init katanaqp_is_monarch(void)
+{
+ return !(in_8(cpld_base + KATANAQP_CPLD_PSR) &
+ KATANAQP_CPLD_PSR_PMCM);
+}
+
+static void __init katanaqp_setup_arch(void)
+{
+ struct device_node *cpld;
+
+ /*
+ * ioremap cpld registers in case they are later
+ * needed by katanaqp_reset_board().
+ */
+ cpld = of_find_compatible_node(NULL, NULL, "altera,maxii");
+ cpld_base = of_iomap(cpld, 0);
+
+#ifdef CONFIG_PCI
+ if (katanaqp_is_monarch()) {
+ mv64x60_pci_init();
+ ppc_md.pci_exclude_device = katanaqp_exclude_device;
+ }
+#endif
+
+ printk("Emerson Network Power %s\n", katanaqp_platform_name);
+}
+
+static void katanaqp_reset_board(void)
+{
+ local_irq_disable();
+
+ /* issue hard reset to the reset command register */
+ out_8(cpld_base + KATANAQP_CPLD_RCR, KATANAQP_CPLD_RCR_CPUHR);
+ for (;;) ;
+}
+
+static void katanaqp_restart(char *cmd)
+{
+ katanaqp_reset_board();
+}
+
+static void katanaqp_show_cpuinfo(struct seq_file *m)
+{
+ uint memsize = total_memory;
+
+ seq_printf(m, "vendor\t\t: Emerson Network Power\n");
+
+ seq_printf(m, "hardware rev\t: %d\n",
+ in_8(cpld_base + KATANAQP_CPLD_HVR));
+
+ seq_printf(m, "hardware config\t: %d\n",
+ in_8(cpld_base + KATANAQP_CPLD_HCR));
+
+ seq_printf(m, "memory size\t: %d MB\n", memsize / (1024 * 1024));
+
+ seq_printf(m, "PCI\t\t: %sMonarch\n",
+ katanaqp_is_monarch() ? "" : "Non-");
+}
+
+static int __init katanaqp_of_init(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "cfi-flash");
+ if (np)
+ of_platform_device_create(np, "of-flash", NULL);
+
+ return 0;
+}
+
+device_initcall(katanaqp_of_init);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init katanaqp_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+ unsigned long len;
+ void *m;
+
+ if (!of_flat_dt_is_compatible(root, "emerson,Katana-Qp"))
+ return 0;
+
+ /* Update ppc_md.name with name from dt */
+ m = of_get_flat_dt_prop(root, "model", &len);
+ if (m)
+ strncpy(katanaqp_platform_name, m,
+ min((int)len, PLATFORM_NAME_MAX - 1));
+
+ return 1;
+}
+
+define_machine(katanaqp)
+{
+ .name = katanaqp_platform_name,
+ .probe = katanaqp_probe,
+ .setup_arch = katanaqp_setup_arch,
+ .init_early = mv64x60_init_early,
+ .show_cpuinfo = katanaqp_show_cpuinfo,
+ .init_IRQ = mv64x60_init_irq,
+ .get_irq = mv64x60_get_irq,
+ .restart = katanaqp_restart,
+ .calibrate_decr = generic_calibrate_decr,
+#ifdef CONFIG_KEXEC
+ .machine_kexec = default_machine_kexec,
+ .machine_kexec_prepare = default_machine_kexec_prepare,
+ .machine_crash_shutdown = default_machine_crash_shutdown,
+#endif
+};
next prev parent reply other threads:[~2007-11-29 15:41 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-29 15:07 [PATCH 0/5] PowerPC 74xx: Add Emerson Katana Qp support Andrei Dolnikov
2007-11-29 15:28 ` [PATCH 1/5] PowerPC 74xx: Katana Qp device tree Andrei Dolnikov
2007-12-03 1:50 ` David Gibson
2007-12-03 19:26 ` Jon Loeliger
2007-12-04 0:33 ` David Gibson
2007-12-04 13:14 ` Jon Loeliger
2007-12-04 2:10 ` Mark A. Greer
2007-12-04 2:50 ` David Gibson
2007-12-04 5:30 ` Mark A. Greer
2007-12-06 23:27 ` Mark A. Greer
2007-12-08 1:33 ` David Gibson
2007-12-10 17:17 ` Mark A. Greer
2007-12-10 21:18 ` Dale Farnsworth
2007-12-16 6:40 ` David Gibson
2007-12-18 16:38 ` Dale Farnsworth
2007-12-03 20:52 ` Benjamin Herrenschmidt
2007-12-04 1:23 ` Mark A. Greer
2007-12-04 2:14 ` Benjamin Herrenschmidt
2007-12-04 5:34 ` Mark A. Greer
2007-12-04 17:28 ` Andrei Dolnikov
2007-12-04 17:35 ` Mark A. Greer
2007-11-29 15:35 ` [PATCH 2/5] PowerPC 74xx: Minor updates to MV64x60 boot code Andrei Dolnikov
2007-12-11 23:50 ` Mark A. Greer
2007-11-29 15:39 ` [PATCH 3/5] PowerPC 74xx: Katana Qp bootwrapper Andrei Dolnikov
2007-12-12 0:13 ` Mark A. Greer
2007-11-29 15:42 ` Andrei Dolnikov [this message]
2007-12-03 20:54 ` [PATCH 4/5] PowerPC 74xx: Katana Qp base support Benjamin Herrenschmidt
2007-12-04 2:12 ` Mark A. Greer
2007-12-12 0:48 ` Mark A. Greer
2007-11-29 15:45 ` [PATCH 5/5] PowerPC 74xx: Katana Qp default config Andrei Dolnikov
-- strict thread matches above, loose matches on Subject: below --
2007-11-16 15:43 [PATCH 0/1] PowerPC 74xx: Add Emerson Katana Qp support Andrei Dolnikov
2007-11-16 16:31 ` [PATCH 4/5] PowerPC 74xx: Katana Qp base support Andrei Dolnikov
2007-11-21 16:30 ` Vitaly Bordug
2007-11-24 18:51 ` Arnd Bergmann
2007-11-24 22:28 ` Benjamin Herrenschmidt
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