Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Based on MPC8560 ADS and arch/ppc stx_gp3 ports |
| 3 | * |
| 4 | * Maintained by Kumar Gala (see MAINTAINERS for contact information) |
| 5 | * |
| 6 | * Copyright 2008 Freescale Semiconductor Inc. |
| 7 | * |
| 8 | * Dan Malek <dan@embeddededge.com> |
| 9 | * Copyright 2004 Embedded Edge, LLC |
| 10 | * |
| 11 | * Copied from mpc8560_ads.c |
| 12 | * Copyright 2002, 2003 Motorola Inc. |
| 13 | * |
| 14 | * Ported to 2.6, Matt Porter <mporter@kernel.crashing.org> |
| 15 | * Copyright 2004-2005 MontaVista Software, Inc. |
| 16 | * |
| 17 | * This program is free software; you can redistribute it and/or modify it |
| 18 | * under the terms of the GNU General Public License as published by the |
| 19 | * Free Software Foundation; either version 2 of the License, or (at your |
| 20 | * option) any later version. |
| 21 | */ |
| 22 | |
| 23 | #include <linux/stddef.h> |
| 24 | #include <linux/kernel.h> |
| 25 | #include <linux/pci.h> |
| 26 | #include <linux/kdev_t.h> |
| 27 | #include <linux/delay.h> |
| 28 | #include <linux/seq_file.h> |
| 29 | #include <linux/of_platform.h> |
| 30 | |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 31 | #include <asm/time.h> |
| 32 | #include <asm/machdep.h> |
| 33 | #include <asm/pci-bridge.h> |
| 34 | #include <asm/mpic.h> |
| 35 | #include <asm/prom.h> |
| 36 | #include <mm/mmu_decl.h> |
| 37 | #include <asm/udbg.h> |
| 38 | |
| 39 | #include <sysdev/fsl_soc.h> |
| 40 | #include <sysdev/fsl_pci.h> |
| 41 | |
Dmitry Eremin-Solenikov | 543a07b | 2011-11-17 21:56:16 +0400 | [diff] [blame] | 42 | #include "mpc85xx.h" |
| 43 | |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 44 | #ifdef CONFIG_CPM2 |
| 45 | #include <asm/cpm2.h> |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 46 | #endif /* CONFIG_CPM2 */ |
| 47 | |
| 48 | static void __init stx_gp3_pic_init(void) |
| 49 | { |
Kyle Moffett | e55d7f7 | 2011-12-22 10:19:14 +0000 | [diff] [blame] | 50 | struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN, |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 51 | 0, 256, " OpenPIC "); |
| 52 | BUG_ON(mpic == NULL); |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 53 | mpic_init(mpic); |
| 54 | |
Dmitry Eremin-Solenikov | 543a07b | 2011-11-17 21:56:16 +0400 | [diff] [blame] | 55 | mpc85xx_cpm2_pic_init(); |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 56 | } |
| 57 | |
| 58 | /* |
| 59 | * Setup the architecture |
| 60 | */ |
| 61 | static void __init stx_gp3_setup_arch(void) |
| 62 | { |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 63 | if (ppc_md.progress) |
| 64 | ppc_md.progress("stx_gp3_setup_arch()", 0); |
| 65 | |
Jia Hongtao | 905e75c | 2012-08-28 15:44:08 +0800 | [diff] [blame] | 66 | fsl_pci_assign_primary(); |
| 67 | |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 68 | #ifdef CONFIG_CPM2 |
| 69 | cpm2_reset(); |
| 70 | #endif |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | static void stx_gp3_show_cpuinfo(struct seq_file *m) |
| 74 | { |
| 75 | uint pvid, svid, phid1; |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 76 | |
| 77 | pvid = mfspr(SPRN_PVR); |
| 78 | svid = mfspr(SPRN_SVR); |
| 79 | |
Frans Pop | 8354be9 | 2010-02-06 07:47:20 +0000 | [diff] [blame] | 80 | seq_printf(m, "Vendor\t\t: RPC Electronics STx\n"); |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 81 | seq_printf(m, "PVR\t\t: 0x%x\n", pvid); |
| 82 | seq_printf(m, "SVR\t\t: 0x%x\n", svid); |
| 83 | |
| 84 | /* Display cpu Pll setting */ |
| 85 | phid1 = mfspr(SPRN_HID1); |
| 86 | seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f)); |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 87 | } |
| 88 | |
Jia Hongtao | 905e75c | 2012-08-28 15:44:08 +0800 | [diff] [blame] | 89 | machine_arch_initcall(stx_gp3, mpc85xx_common_publish_devices); |
Kumar Gala | 77e03a2 | 2008-01-23 23:42:44 -0600 | [diff] [blame] | 90 | |
| 91 | /* |
| 92 | * Called very early, device-tree isn't unflattened |
| 93 | */ |
| 94 | static int __init stx_gp3_probe(void) |
| 95 | { |
| 96 | unsigned long root = of_get_flat_dt_root(); |
| 97 | |
| 98 | return of_flat_dt_is_compatible(root, "stx,gp3-8560"); |
| 99 | } |
| 100 | |
| 101 | define_machine(stx_gp3) { |
| 102 | .name = "STX GP3", |
| 103 | .probe = stx_gp3_probe, |
| 104 | .setup_arch = stx_gp3_setup_arch, |
| 105 | .init_IRQ = stx_gp3_pic_init, |
| 106 | .show_cpuinfo = stx_gp3_show_cpuinfo, |
| 107 | .get_irq = mpic_get_irq, |
| 108 | .restart = fsl_rstcr_restart, |
| 109 | .calibrate_decr = generic_calibrate_decr, |
| 110 | .progress = udbg_progress, |
| 111 | }; |