wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2000-2003 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * CPU specific code for the MPC5xxx CPUs |
| 26 | */ |
| 27 | |
| 28 | #include <common.h> |
| 29 | #include <watchdog.h> |
| 30 | #include <command.h> |
Grzegorz Bernacki | 5c4fa9b | 2009-03-17 10:06:40 +0100 | [diff] [blame] | 31 | #include <net.h> |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 32 | #include <mpc5xxx.h> |
Ben Warren | e1d7480 | 2008-08-31 10:39:12 -0700 | [diff] [blame] | 33 | #include <netdev.h> |
Grant Likely | cf2817a | 2007-09-06 09:46:23 -0600 | [diff] [blame] | 34 | #include <asm/io.h> |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 35 | #include <asm/processor.h> |
| 36 | |
Grant Likely | cf2817a | 2007-09-06 09:46:23 -0600 | [diff] [blame] | 37 | #if defined(CONFIG_OF_LIBFDT) |
| 38 | #include <libfdt.h> |
| 39 | #include <libfdt_env.h> |
Kumar Gala | e93becf | 2007-11-03 19:46:28 -0500 | [diff] [blame] | 40 | #include <fdt_support.h> |
Stefan Roese | e59581c | 2006-11-28 17:55:49 +0100 | [diff] [blame] | 41 | #endif |
| 42 | |
Heiko Schocher | 3887c3f | 2009-09-23 07:56:08 +0200 | [diff] [blame] | 43 | #if defined(CONFIG_OF_IDE_FIXUP) |
| 44 | #include <ide.h> |
| 45 | #endif |
| 46 | |
Wolfgang Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 47 | DECLARE_GLOBAL_DATA_PTR; |
| 48 | |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 49 | int checkcpu (void) |
| 50 | { |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 51 | ulong clock = gd->cpu_clk; |
| 52 | char buf[32]; |
wdenk | 36c7287 | 2004-06-09 17:45:32 +0000 | [diff] [blame] | 53 | #ifndef CONFIG_MGT5100 |
Rafal Jaworowski | b66a938 | 2006-03-29 13:17:09 +0200 | [diff] [blame] | 54 | uint svr, pvr; |
wdenk | 36c7287 | 2004-06-09 17:45:32 +0000 | [diff] [blame] | 55 | #endif |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 56 | |
| 57 | puts ("CPU: "); |
| 58 | |
wdenk | 36c7287 | 2004-06-09 17:45:32 +0000 | [diff] [blame] | 59 | #ifdef CONFIG_MGT5100 |
| 60 | puts (CPU_ID_STR); |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 61 | printf (" (JTAG ID %08lx)", *(vu_long *)MPC5XXX_CDM_JTAGID); |
wdenk | 36c7287 | 2004-06-09 17:45:32 +0000 | [diff] [blame] | 62 | #else |
Rafal Jaworowski | b66a938 | 2006-03-29 13:17:09 +0200 | [diff] [blame] | 63 | svr = get_svr(); |
| 64 | pvr = get_pvr(); |
Grzegorz Wianecki | a9d87e2 | 2007-04-29 14:01:54 +0200 | [diff] [blame] | 65 | |
| 66 | switch (pvr) { |
| 67 | case PVR_5200: |
| 68 | printf("MPC5200"); |
| 69 | break; |
| 70 | case PVR_5200B: |
| 71 | printf("MPC5200B"); |
wdenk | 36c7287 | 2004-06-09 17:45:32 +0000 | [diff] [blame] | 72 | break; |
| 73 | default: |
Grzegorz Wianecki | a9d87e2 | 2007-04-29 14:01:54 +0200 | [diff] [blame] | 74 | printf("Unknown MPC5xxx"); |
wdenk | 36c7287 | 2004-06-09 17:45:32 +0000 | [diff] [blame] | 75 | break; |
| 76 | } |
| 77 | |
Wolfgang Denk | cf48eb9 | 2006-04-16 10:51:58 +0200 | [diff] [blame] | 78 | printf (" v%d.%d, Core v%d.%d", SVR_MJREV (svr), SVR_MNREV (svr), |
Rafal Jaworowski | b66a938 | 2006-03-29 13:17:09 +0200 | [diff] [blame] | 79 | PVR_MAJ(pvr), PVR_MIN(pvr)); |
wdenk | 36c7287 | 2004-06-09 17:45:32 +0000 | [diff] [blame] | 80 | #endif |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 81 | printf (" at %s MHz\n", strmhz (buf, clock)); |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | /* ------------------------------------------------------------------------- */ |
| 86 | |
| 87 | int |
| 88 | do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
| 89 | { |
wdenk | d94f92c | 2003-08-28 09:41:22 +0000 | [diff] [blame] | 90 | ulong msr; |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 91 | /* Interrupts and MMU off */ |
| 92 | __asm__ __volatile__ ("mfmsr %0":"=r" (msr):); |
| 93 | |
| 94 | msr &= ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR); |
| 95 | __asm__ __volatile__ ("mtmsr %0"::"r" (msr)); |
| 96 | |
wdenk | d94f92c | 2003-08-28 09:41:22 +0000 | [diff] [blame] | 97 | /* Charge the watchdog timer */ |
wdenk | 2d5b561 | 2003-10-14 19:43:55 +0000 | [diff] [blame] | 98 | *(vu_long *)(MPC5XXX_GPT0_COUNTER) = 0x0001000f; |
wdenk | d94f92c | 2003-08-28 09:41:22 +0000 | [diff] [blame] | 99 | *(vu_long *)(MPC5XXX_GPT0_ENABLE) = 0x9004; /* wden|ce|timer_ms */ |
wdenk | 2d5b561 | 2003-10-14 19:43:55 +0000 | [diff] [blame] | 100 | while(1); |
wdenk | d94f92c | 2003-08-28 09:41:22 +0000 | [diff] [blame] | 101 | |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 102 | return 1; |
| 103 | |
| 104 | } |
| 105 | |
| 106 | /* ------------------------------------------------------------------------- */ |
| 107 | |
| 108 | /* |
| 109 | * Get timebase clock frequency (like cpu_clk in Hz) |
| 110 | * |
| 111 | */ |
| 112 | unsigned long get_tbclk (void) |
| 113 | { |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 114 | ulong tbclk; |
| 115 | |
| 116 | tbclk = (gd->bus_clk + 3L) / 4L; |
| 117 | |
| 118 | return (tbclk); |
| 119 | } |
| 120 | |
| 121 | /* ------------------------------------------------------------------------- */ |
Stefan Roese | e59581c | 2006-11-28 17:55:49 +0100 | [diff] [blame] | 122 | |
Marian Balakowicz | 75d3e8f | 2008-02-21 17:20:18 +0100 | [diff] [blame] | 123 | #if defined(CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) |
Grant Likely | cf2817a | 2007-09-06 09:46:23 -0600 | [diff] [blame] | 124 | void ft_cpu_setup(void *blob, bd_t *bd) |
| 125 | { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 126 | int div = in_8((void*)CONFIG_SYS_MBAR + 0x204) & 0x0020 ? 8 : 4; |
Grant Likely | cf2817a | 2007-09-06 09:46:23 -0600 | [diff] [blame] | 127 | char * cpu_path = "/cpus/" OF_CPU; |
André Schwarz | c512389 | 2008-03-13 13:50:52 +0100 | [diff] [blame] | 128 | #ifdef CONFIG_MPC5xxx_FEC |
Grzegorz Bernacki | 5c4fa9b | 2009-03-17 10:06:40 +0100 | [diff] [blame] | 129 | uchar enetaddr[6]; |
Grant Likely | cf2817a | 2007-09-06 09:46:23 -0600 | [diff] [blame] | 130 | char * eth_path = "/" OF_SOC "/ethernet@3000"; |
André Schwarz | c512389 | 2008-03-13 13:50:52 +0100 | [diff] [blame] | 131 | #endif |
Stefan Roese | e59581c | 2006-11-28 17:55:49 +0100 | [diff] [blame] | 132 | |
Kumar Gala | e93becf | 2007-11-03 19:46:28 -0500 | [diff] [blame] | 133 | do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1); |
| 134 | do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1); |
| 135 | do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1); |
| 136 | do_fixup_by_path_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipbfreq, 1); |
| 137 | do_fixup_by_path_u32(blob, "/" OF_SOC, "system-frequency", |
| 138 | bd->bi_busfreq*div, 1); |
André Schwarz | c512389 | 2008-03-13 13:50:52 +0100 | [diff] [blame] | 139 | #ifdef CONFIG_MPC5xxx_FEC |
Mike Frysinger | 6bacfa6 | 2009-02-11 19:18:41 -0500 | [diff] [blame] | 140 | eth_getenv_enetaddr("ethaddr", enetaddr); |
| 141 | do_fixup_by_path(blob, eth_path, "mac-address", enetaddr, 6, 0); |
| 142 | do_fixup_by_path(blob, eth_path, "local-mac-address", enetaddr, 6, 0); |
André Schwarz | c512389 | 2008-03-13 13:50:52 +0100 | [diff] [blame] | 143 | #endif |
Heiko Schocher | 3887c3f | 2009-09-23 07:56:08 +0200 | [diff] [blame] | 144 | #if defined(CONFIG_OF_IDE_FIXUP) |
| 145 | if (!ide_device_present(0)) { |
| 146 | /* NO CF card detected -> delete ata node in DTS */ |
| 147 | int nodeoffset = 0; |
| 148 | char nodename[] = "/soc5200@f0000000/ata@3a00"; |
| 149 | |
| 150 | nodeoffset = fdt_path_offset(blob, nodename); |
| 151 | if (nodeoffset >= 0) { |
| 152 | fdt_del_node(blob, nodeoffset); |
| 153 | } else { |
| 154 | printf("%s: cannot find %s node err:%s\n", |
| 155 | __func__, nodename, fdt_strerror(nodeoffset)); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | #endif |
Heiko Schocher | 00b6d92 | 2009-12-03 11:20:06 +0100 | [diff] [blame] | 160 | fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); |
Stefan Roese | e59581c | 2006-11-28 17:55:49 +0100 | [diff] [blame] | 161 | } |
| 162 | #endif |
Axel Beierlein | bef92e2 | 2008-08-16 00:30:48 +0200 | [diff] [blame] | 163 | |
| 164 | #ifdef CONFIG_BOOTCOUNT_LIMIT |
| 165 | |
| 166 | void bootcount_store (ulong a) |
| 167 | { |
Wolfgang Denk | a49d10c | 2008-08-25 23:45:41 +0200 | [diff] [blame] | 168 | volatile ulong *save_addr = (volatile ulong *) (MPC5XXX_CDM_BRDCRMB); |
Axel Beierlein | bef92e2 | 2008-08-16 00:30:48 +0200 | [diff] [blame] | 169 | |
Wolfgang Denk | a49d10c | 2008-08-25 23:45:41 +0200 | [diff] [blame] | 170 | *save_addr = (BOOTCOUNT_MAGIC & 0xffff0000) | a; |
Axel Beierlein | bef92e2 | 2008-08-16 00:30:48 +0200 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | ulong bootcount_load (void) |
| 174 | { |
Wolfgang Denk | a49d10c | 2008-08-25 23:45:41 +0200 | [diff] [blame] | 175 | volatile ulong *save_addr = (volatile ulong *) (MPC5XXX_CDM_BRDCRMB); |
Axel Beierlein | bef92e2 | 2008-08-16 00:30:48 +0200 | [diff] [blame] | 176 | |
Wolfgang Denk | a49d10c | 2008-08-25 23:45:41 +0200 | [diff] [blame] | 177 | if ((*save_addr & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) |
| 178 | return 0; |
| 179 | else |
| 180 | return (*save_addr & 0x0000ffff); |
Axel Beierlein | bef92e2 | 2008-08-16 00:30:48 +0200 | [diff] [blame] | 181 | } |
| 182 | #endif /* CONFIG_BOOTCOUNT_LIMIT */ |
Ben Warren | e1d7480 | 2008-08-31 10:39:12 -0700 | [diff] [blame] | 183 | |
| 184 | #ifdef CONFIG_MPC5xxx_FEC |
| 185 | /* Default initializations for FEC controllers. To override, |
| 186 | * create a board-specific function called: |
| 187 | * int board_eth_init(bd_t *bis) |
| 188 | */ |
| 189 | |
| 190 | int cpu_eth_init(bd_t *bis) |
| 191 | { |
| 192 | return mpc5xxx_fec_initialize(bis); |
| 193 | } |
| 194 | #endif |