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-/*
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- * Wind River SBC8560 setup and early boot code.
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- *
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- * Copyright 2007 Wind River Systems Inc.
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- *
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- * By Paul Gortmaker (see MAINTAINERS for contact information)
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- *
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- * Based largely on the MPC8560ADS support - Copyright 2005 Freescale Inc.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the
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- * Free Software Foundation; either version 2 of the License, or (at your
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- * option) any later version.
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- */
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-
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-#include <linux/stddef.h>
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-#include <linux/kernel.h>
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-#include <linux/pci.h>
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-#include <linux/kdev_t.h>
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-#include <linux/delay.h>
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-#include <linux/seq_file.h>
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-#include <linux/of_platform.h>
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-
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-#include <asm/time.h>
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-#include <asm/machdep.h>
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-#include <asm/pci-bridge.h>
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-#include <asm/mpic.h>
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-#include <mm/mmu_decl.h>
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-#include <asm/udbg.h>
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-
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-#include <sysdev/fsl_soc.h>
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-#include <sysdev/fsl_pci.h>
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-
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-#include "mpc85xx.h"
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-
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-#ifdef CONFIG_CPM2
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-#include <asm/cpm2.h>
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-#include <sysdev/cpm2_pic.h>
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-#endif
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-
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-static void __init sbc8560_pic_init(void)
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-{
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- struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
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- 0, 256, " OpenPIC ");
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- BUG_ON(mpic == NULL);
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- mpic_init(mpic);
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-
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- mpc85xx_cpm2_pic_init();
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-}
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-
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-/*
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- * Setup the architecture
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- */
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-#ifdef CONFIG_CPM2
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-struct cpm_pin {
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- int port, pin, flags;
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-};
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-
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-static const struct cpm_pin sbc8560_pins[] = {
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- /* SCC1 */
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- {3, 29, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {3, 30, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
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- {3, 31, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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-
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- /* SCC2 */
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- {3, 26, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {3, 27, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {3, 28, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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-
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- /* FCC2 */
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- {1, 18, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 19, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 20, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 21, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 22, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 23, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 24, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 25, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 26, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 27, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 28, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 29, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
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- {1, 30, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 31, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {2, 18, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, /* CLK14 */
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- {2, 19, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, /* CLK13 */
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-
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- /* FCC3 */
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- {1, 4, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 5, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 6, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 7, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 9, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 10, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 11, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 12, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 13, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 14, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 15, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
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- {1, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {1, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
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- {2, 16, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* CLK16 */
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- {2, 17, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* CLK15 */
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-};
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-
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-static void __init init_ioports(void)
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-{
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- int i;
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-
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- for (i = 0; i < ARRAY_SIZE(sbc8560_pins); i++) {
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- const struct cpm_pin *pin = &sbc8560_pins[i];
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- cpm2_set_pin(pin->port, pin->pin, pin->flags);
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- }
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-
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- cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_RX);
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- cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_TX);
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- cpm2_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_RX);
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- cpm2_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_TX);
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- cpm2_clk_setup(CPM_CLK_FCC2, CPM_CLK13, CPM_CLK_RX);
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- cpm2_clk_setup(CPM_CLK_FCC2, CPM_CLK14, CPM_CLK_TX);
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- cpm2_clk_setup(CPM_CLK_FCC3, CPM_CLK15, CPM_CLK_RX);
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- cpm2_clk_setup(CPM_CLK_FCC3, CPM_CLK16, CPM_CLK_TX);
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-}
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-#endif
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-
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-static void __init sbc8560_setup_arch(void)
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-{
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-#ifdef CONFIG_PCI
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- struct device_node *np;
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-#endif
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-
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- if (ppc_md.progress)
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- ppc_md.progress("sbc8560_setup_arch()", 0);
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-
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-#ifdef CONFIG_CPM2
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- cpm2_reset();
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- init_ioports();
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-#endif
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-
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-#ifdef CONFIG_PCI
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- for_each_compatible_node(np, "pci", "fsl,mpc8540-pci")
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- fsl_add_bridge(np, 1);
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-#endif
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-}
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-
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-static void sbc8560_show_cpuinfo(struct seq_file *m)
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-{
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- uint pvid, svid, phid1;
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-
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- pvid = mfspr(SPRN_PVR);
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- svid = mfspr(SPRN_SVR);
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-
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- seq_printf(m, "Vendor\t\t: Wind River\n");
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- seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
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- seq_printf(m, "SVR\t\t: 0x%x\n", svid);
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-
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- /* Display cpu Pll setting */
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- phid1 = mfspr(SPRN_HID1);
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- seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
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-}
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-
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-machine_device_initcall(sbc8560, mpc85xx_common_publish_devices);
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-
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-/*
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- * Called very early, device-tree isn't unflattened
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- */
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-static int __init sbc8560_probe(void)
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-{
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- unsigned long root = of_get_flat_dt_root();
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-
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- return of_flat_dt_is_compatible(root, "SBC8560");
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-}
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-
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-#ifdef CONFIG_RTC_DRV_M48T59
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-static int __init sbc8560_rtc_init(void)
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-{
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- struct device_node *np;
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- struct resource res;
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- struct platform_device *rtc_dev;
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-
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- np = of_find_compatible_node(NULL, NULL, "m48t59");
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- if (np == NULL) {
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- printk("No RTC in DTB. Has it been eaten by wild dogs?\n");
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- return -ENODEV;
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- }
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-
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- of_address_to_resource(np, 0, &res);
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- of_node_put(np);
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-
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- printk("Found RTC (m48t59) at i/o 0x%x\n", res.start);
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-
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- rtc_dev = platform_device_register_simple("rtc-m48t59", 0, &res, 1);
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-
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- if (IS_ERR(rtc_dev)) {
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- printk("Registering sbc8560 RTC device failed\n");
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- return PTR_ERR(rtc_dev);
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- }
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-
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- return 0;
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-}
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-
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-arch_initcall(sbc8560_rtc_init);
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-
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-#endif /* M48T59 */
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-
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-static __u8 __iomem *brstcr;
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-
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-static int __init sbc8560_bdrstcr_init(void)
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-{
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- struct device_node *np;
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- struct resource res;
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-
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- np = of_find_compatible_node(NULL, NULL, "wrs,sbc8560-brstcr");
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- if (np == NULL) {
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- printk(KERN_WARNING "sbc8560: No board specific RSTCR in DTB.\n");
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- return -ENODEV;
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- }
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-
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- of_address_to_resource(np, 0, &res);
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-
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- printk(KERN_INFO "sbc8560: Found BRSTCR at %pR\n", &res);
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-
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- brstcr = ioremap(res.start, resource_size(&res));
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- if(!brstcr)
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- printk(KERN_WARNING "sbc8560: ioremap of brstcr failed.\n");
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-
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- of_node_put(np);
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-
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- return 0;
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-}
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-
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-arch_initcall(sbc8560_bdrstcr_init);
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-
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-void sbc8560_rstcr_restart(char * cmd)
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-{
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- local_irq_disable();
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- if(brstcr)
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- clrbits8(brstcr, 0x80);
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-
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- while(1);
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-}
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-
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-define_machine(sbc8560) {
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- .name = "SBC8560",
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- .probe = sbc8560_probe,
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- .setup_arch = sbc8560_setup_arch,
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- .init_IRQ = sbc8560_pic_init,
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- .show_cpuinfo = sbc8560_show_cpuinfo,
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- .get_irq = mpic_get_irq,
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- .restart = sbc8560_rstcr_restart,
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- .calibrate_decr = generic_calibrate_decr,
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- .progress = udbg_progress,
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-};
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