--- /dev/null
+/*
+ * arch/ppc/platforms/85xx/mpc8560_ads.c
+ *
+ * MPC8560ADS board specific routines
+ *
+ * Maintainer: Kumar Gala <kumar.gala@freescale.com>
+ *
+ * Copyright 2004 Freescale Semiconductor Inc.
+ *
+ * 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.
+ */
+
+#include <linux/config.h>
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/seq_file.h>
+#include <linux/root_dev.h>
+#include <linux/serial.h>
+#include <linux/tty.h> /* for linux/serial_core.h */
+#include <linux/serial_core.h>
+#include <linux/initrd.h>
+#include <linux/module.h>
+
+#include <asm/system.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/atomic.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/open_pic.h>
+#include <asm/bootinfo.h>
+#include <asm/pci-bridge.h>
+#include <asm/mpc85xx.h>
+#include <asm/irq.h>
+#include <asm/immap_85xx.h>
+#include <asm/kgdb.h>
+#include <asm/ocp.h>
+#include <asm/cpm2.h>
+#include <mm/mmu_decl.h>
+
+#include <syslib/cpm2_pic.h>
+#include <syslib/ppc85xx_common.h>
+#include <syslib/ppc85xx_setup.h>
+
+extern void cpm2_reset(void);
+
+struct ocp_gfar_data mpc85xx_tsec1_def = {
+ .interruptTransmit = MPC85xx_IRQ_TSEC1_TX,
+ .interruptError = MPC85xx_IRQ_TSEC1_ERROR,
+ .interruptReceive = MPC85xx_IRQ_TSEC1_RX,
+ .interruptPHY = MPC85xx_IRQ_EXT5,
+ .flags = (GFAR_HAS_GIGABIT | GFAR_HAS_MULTI_INTR
+ | GFAR_HAS_RMON | GFAR_HAS_COALESCE
+ | GFAR_HAS_PHY_INTR),
+ .phyid = 0,
+ .phyregidx = 0,
+};
+
+struct ocp_gfar_data mpc85xx_tsec2_def = {
+ .interruptTransmit = MPC85xx_IRQ_TSEC2_TX,
+ .interruptError = MPC85xx_IRQ_TSEC2_ERROR,
+ .interruptReceive = MPC85xx_IRQ_TSEC2_RX,
+ .interruptPHY = MPC85xx_IRQ_EXT5,
+ .flags = (GFAR_HAS_GIGABIT | GFAR_HAS_MULTI_INTR
+ | GFAR_HAS_RMON | GFAR_HAS_COALESCE
+ | GFAR_HAS_PHY_INTR),
+ .phyid = 1,
+ .phyregidx = 0,
+};
+
+struct ocp_fs_i2c_data mpc85xx_i2c1_def = {
+ .flags = FS_I2C_SEPARATE_DFSRR,
+};
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+
+static void __init
+mpc8560ads_setup_arch(void)
+{
+ struct ocp_def *def;
+ struct ocp_gfar_data *einfo;
+ bd_t *binfo = (bd_t *) __res;
+ unsigned int freq;
+
+ cpm2_reset();
+
+ /* get the core frequency */
+ freq = binfo->bi_intfreq;
+
+ if (ppc_md.progress)
+ ppc_md.progress("mpc8560ads_setup_arch()", 0);
+
+ /* Set loops_per_jiffy to a half-way reasonable value,
+ for use until calibrate_delay gets called. */
+ loops_per_jiffy = freq / HZ;
+
+#ifdef CONFIG_PCI
+ /* setup PCI host bridges */
+ mpc85xx_setup_hose();
+#endif
+
+ def = ocp_get_one_device(OCP_VENDOR_FREESCALE, OCP_FUNC_GFAR, 0);
+ if (def) {
+ einfo = (struct ocp_gfar_data *) def->additions;
+ memcpy(einfo->mac_addr, binfo->bi_enetaddr, 6);
+ }
+
+ def = ocp_get_one_device(OCP_VENDOR_FREESCALE, OCP_FUNC_GFAR, 1);
+ if (def) {
+ einfo = (struct ocp_gfar_data *) def->additions;
+ memcpy(einfo->mac_addr, binfo->bi_enet1addr, 6);
+ }
+
+#ifdef CONFIG_BLK_DEV_INITRD
+ if (initrd_start)
+ ROOT_DEV = Root_RAM0;
+ else
+#endif
+#ifdef CONFIG_ROOT_NFS
+ ROOT_DEV = Root_NFS;
+#else
+ ROOT_DEV = Root_HDA1;
+#endif
+
+ ocp_for_each_device(mpc85xx_update_paddr_ocp, &(binfo->bi_immr_base));
+}
+
+static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs)
+{
+ while ((irq = cpm2_get_irq(regs)) >= 0) {
+ ppc_irq_dispatch_handler(regs, irq);
+ }
+ return IRQ_HANDLED;
+}
+
+static void __init
+mpc8560_ads_init_IRQ(void)
+{
+ int i;
+ volatile cpm2_map_t *immap = cpm2_immr;
+
+ /* Setup OpenPIC */
+ mpc85xx_ads_init_IRQ();
+
+ /* disable all CPM interupts */
+ immap->im_intctl.ic_simrh = 0x0;
+ immap->im_intctl.ic_simrl = 0x0;
+
+ for (i = CPM_IRQ_OFFSET; i < (NR_CPM_INTS + CPM_IRQ_OFFSET); i++)
+ irq_desc[i].handler = &cpm2_pic;
+
+ /* Initialize the default interrupt mapping priorities,
+ * in case the boot rom changed something on us.
+ */
+ immap->im_intctl.ic_sicr = 0;
+ immap->im_intctl.ic_scprrh = 0x05309770;
+ immap->im_intctl.ic_scprrl = 0x05309770;
+
+ request_irq(MPC85xx_IRQ_CPM, cpm2_cascade, SA_INTERRUPT, "cpm2_cascade", NULL);
+
+ return;
+}
+
+
+
+/* ************************************************************************ */
+void __init
+platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
+{
+ /* parse_bootinfo must always be called first */
+ parse_bootinfo(find_bootinfo());
+
+ /*
+ * If we were passed in a board information, copy it into the
+ * residual data area.
+ */
+ if (r3) {
+ memcpy((void *) __res, (void *) (r3 + KERNELBASE),
+ sizeof (bd_t));
+
+ }
+#if defined(CONFIG_BLK_DEV_INITRD)
+ /*
+ * If the init RAM disk has been configured in, and there's a valid
+ * starting address for it, set it up.
+ */
+ if (r4) {
+ initrd_start = r4 + KERNELBASE;
+ initrd_end = r5 + KERNELBASE;
+ }
+#endif /* CONFIG_BLK_DEV_INITRD */
+
+ /* Copy the kernel command line arguments to a safe place. */
+
+ if (r6) {
+ *(char *) (r7 + KERNELBASE) = 0;
+ strcpy(cmd_line, (char *) (r6 + KERNELBASE));
+ }
+
+ /* setup the PowerPC module struct */
+ ppc_md.setup_arch = mpc8560ads_setup_arch;
+ ppc_md.show_cpuinfo = mpc85xx_ads_show_cpuinfo;
+
+ ppc_md.init_IRQ = mpc8560_ads_init_IRQ;
+ ppc_md.get_irq = openpic_get_irq;
+
+ ppc_md.restart = mpc85xx_restart;
+ ppc_md.power_off = mpc85xx_power_off;
+ ppc_md.halt = mpc85xx_halt;
+
+ ppc_md.find_end_of_memory = mpc85xx_find_end_of_memory;
+
+ ppc_md.time_init = NULL;
+ ppc_md.set_rtc_time = NULL;
+ ppc_md.get_rtc_time = NULL;
+ ppc_md.calibrate_decr = mpc85xx_calibrate_decr;
+
+ if (ppc_md.progress)
+ ppc_md.progress("mpc8560ads_init(): exit", 0);
+
+ return;
+}
git://git.onelab.eu / linux-2.6.git / blobdiff