summaryrefslogtreecommitdiff
path: root/arch/ppc/cpu/mpc8260/cpu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ppc/cpu/mpc8260/cpu.c')
-rw-r--r--arch/ppc/cpu/mpc8260/cpu.c338
1 files changed, 0 insertions, 338 deletions
diff --git a/arch/ppc/cpu/mpc8260/cpu.c b/arch/ppc/cpu/mpc8260/cpu.c
deleted file mode 100644
index aedbf29..0000000
--- a/arch/ppc/cpu/mpc8260/cpu.c
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * (C) Copyright 2000-2006
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * CPU specific code for the MPC825x / MPC826x / MPC827x / MPC828x
- *
- * written or collected and sometimes rewritten by
- * Magnus Damm <damm@bitsmart.com>
- *
- * modified by
- * Wolfgang Denk <wd@denx.de>
- *
- * modified for 8260 by
- * Murray Jensen <Murray.Jensen@cmst.csiro.au>
- *
- * added 8260 masks by
- * Marius Groeger <mag@sysgo.de>
- *
- * added HiP7 (824x/827x/8280) processors support by
- * Yuli Barcohen <yuli@arabellasw.com>
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <command.h>
-#include <mpc8260.h>
-#include <netdev.h>
-#include <asm/processor.h>
-#include <asm/cpm_8260.h>
-
-#if defined(CONFIG_OF_LIBFDT)
-#include <libfdt.h>
-#include <libfdt_env.h>
-#include <fdt_support.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_GET_CPU_STR_F)
-extern int get_cpu_str_f (char *buf);
-#endif
-
-int checkcpu (void)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- ulong clock = gd->cpu_clk;
- uint pvr = get_pvr ();
- uint immr, rev, m, k;
- char buf[32];
-
- puts ("CPU: ");
-
- switch (pvr) {
- case PVR_8260:
- case PVR_8260_HIP3:
- k = 3;
- break;
- case PVR_8260_HIP4:
- k = 4;
- break;
- case PVR_8260_HIP7R1:
- case PVR_8260_HIP7RA:
- case PVR_8260_HIP7:
- k = 7;
- break;
- default:
- return -1; /* whoops! not an MPC8260 */
- }
- rev = pvr & 0xff;
-
- immr = immap->im_memctl.memc_immr;
- if ((immr & IMMR_ISB_MSK) != CONFIG_SYS_IMMR)
- return -1; /* whoops! someone moved the IMMR */
-
-#if defined(CONFIG_GET_CPU_STR_F)
- get_cpu_str_f (buf);
- printf ("%s (HiP%d Rev %02x, Mask ", buf, k, rev);
-#else
- printf (CPU_ID_STR " (HiP%d Rev %02x, Mask ", k, rev);
-#endif
-
- /*
- * the bottom 16 bits of the immr are the Part Number and Mask Number
- * (4-34); the 16 bits at PROFF_REVNUM (0x8af0) in dual port ram is the
- * RISC Microcode Revision Number (13-10).
- * For the 8260, Motorola doesn't include the Microcode Revision
- * in the mask.
- */
- m = immr & (IMMR_PARTNUM_MSK | IMMR_MASKNUM_MSK);
- k = *((ushort *) & immap->im_dprambase[PROFF_REVNUM]);
-
- switch (m) {
- case 0x0000:
- puts ("0.2 2J24M");
- break;
- case 0x0010:
- puts ("A.0 K22A");
- break;
- case 0x0011:
- puts ("A.1 1K22A-XC");
- break;
- case 0x0001:
- puts ("B.1 1K23A");
- break;
- case 0x0021:
- puts ("B.2 2K23A-XC");
- break;
- case 0x0023:
- puts ("B.3 3K23A");
- break;
- case 0x0024:
- puts ("C.2 6K23A");
- break;
- case 0x0060:
- puts ("A.0(A) 2K25A");
- break;
- case 0x0062:
- puts ("B.1 4K25A");
- break;
- case 0x0064:
- puts ("C.0 5K25A");
- break;
- case 0x0A00:
- puts ("0.0 0K49M");
- break;
- case 0x0A01:
- puts ("0.1 1K49M");
- break;
- case 0x0A10:
- puts ("1.0 1K49M");
- break;
- case 0x0C00:
- puts ("0.0 0K50M");
- break;
- case 0x0C10:
- puts ("1.0 1K50M");
- break;
- case 0x0D00:
- puts ("0.0 0K50M");
- break;
- case 0x0D10:
- puts ("1.0 1K50M");
- break;
- default:
- printf ("unknown [immr=0x%04x,k=0x%04x]", m, k);
- break;
- }
-
- printf (") at %s MHz\n", strmhz (buf, clock));
-
- return 0;
-}
-
-/* ------------------------------------------------------------------------- */
-/* configures a UPM by writing into the UPM RAM array */
-/* uses bank 11 and a dummy physical address (=BRx_BA_MSK) */
-/* NOTE: the physical address chosen must not overlap into any other area */
-/* mapped by the memory controller because bank 11 has the lowest priority */
-
-void upmconfig (uint upm, uint * table, uint size)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile memctl8260_t *memctl = &immap->im_memctl;
- volatile uchar *dummy = (uchar *) BRx_BA_MSK; /* set all BA bits */
- uint i;
-
- /* first set up bank 11 to reference the correct UPM at a dummy address */
-
- memctl->memc_or11 = ORxU_AM_MSK; /* set all AM bits */
-
- switch (upm) {
-
- case UPMA:
- memctl->memc_br11 =
- ((uint)dummy & BRx_BA_MSK) | BRx_PS_32 | BRx_MS_UPMA |
- BRx_V;
- memctl->memc_mamr = MxMR_OP_WARR;
- break;
-
- case UPMB:
- memctl->memc_br11 =
- ((uint)dummy & BRx_BA_MSK) | BRx_PS_32 | BRx_MS_UPMB |
- BRx_V;
- memctl->memc_mbmr = MxMR_OP_WARR;
- break;
-
- case UPMC:
- memctl->memc_br11 =
- ((uint)dummy & BRx_BA_MSK) | BRx_PS_32 | BRx_MS_UPMC |
- BRx_V;
- memctl->memc_mcmr = MxMR_OP_WARR;
- break;
-
- default:
- panic ("upmconfig passed invalid UPM number (%u)\n", upm);
- break;
-
- }
-
- /*
- * at this point, the dummy address is set up to access the selected UPM,
- * the MAD pointer is zero, and the MxMR OP is set for writing to RAM
- *
- * now we simply load the mdr with each word and poke the dummy address.
- * the MAD is incremented on each access.
- */
-
- for (i = 0; i < size; i++) {
- memctl->memc_mdr = table[i];
- *dummy = 0;
- }
-
- /* now kill bank 11 */
- memctl->memc_br11 = 0;
-}
-
-/* ------------------------------------------------------------------------- */
-
-#if !defined(CONFIG_HAVE_OWN_RESET)
-int
-do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
-{
- ulong msr, addr;
-
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
-
- immap->im_clkrst.car_rmr = RMR_CSRE; /* Checkstop Reset enable */
-
- /* Interrupts and MMU off */
- __asm__ __volatile__ ("mfmsr %0":"=r" (msr):);
-
- msr &= ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR);
- __asm__ __volatile__ ("mtmsr %0"::"r" (msr));
-
- /*
- * Trying to execute the next instruction at a non-existing address
- * should cause a machine check, resulting in reset
- */
-#ifdef CONFIG_SYS_RESET_ADDRESS
- addr = CONFIG_SYS_RESET_ADDRESS;
-#else
- /*
- * note: when CONFIG_SYS_MONITOR_BASE points to a RAM address, CONFIG_SYS_MONITOR_BASE
- * - sizeof (ulong) is usually a valid address. Better pick an address
- * known to be invalid on your system and assign it to CONFIG_SYS_RESET_ADDRESS.
- */
- addr = CONFIG_SYS_MONITOR_BASE - sizeof (ulong);
-#endif
- ((void (*)(void)) addr) ();
- return 1;
-
-}
-#endif /* CONFIG_HAVE_OWN_RESET */
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Get timebase clock frequency (like cpu_clk in Hz)
- *
- */
-unsigned long get_tbclk (void)
-{
- ulong tbclk;
-
- tbclk = (gd->bus_clk + 3L) / 4L;
-
- return (tbclk);
-}
-
-/* ------------------------------------------------------------------------- */
-
-#if defined(CONFIG_WATCHDOG)
-void watchdog_reset (void)
-{
- int re_enable = disable_interrupts ();
-
- reset_8260_watchdog ((immap_t *) CONFIG_SYS_IMMR);
- if (re_enable)
- enable_interrupts ();
-}
-#endif /* CONFIG_WATCHDOG */
-
-/* ------------------------------------------------------------------------- */
-#if defined(CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP)
-void ft_cpu_setup (void *blob, bd_t *bd)
-{
-#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
- defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
- fdt_fixup_ethernet(blob);
-#endif
-
- do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
- "clock-frequency", bd->bi_brgfreq, 1);
-
- do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
- "bus-frequency", bd->bi_busfreq, 1);
- do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
- "timebase-frequency", OF_TBCLK, 1);
- do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
- "clock-frequency", bd->bi_intfreq, 1);
- fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
-}
-#endif /* CONFIG_OF_LIBFDT */
-
-/*
- * Initializes on-chip ethernet controllers.
- * to override, implement board_eth_init()
- */
-int cpu_eth_init(bd_t *bis)
-{
-#if defined(CONFIG_ETHER_ON_FCC)
- fec_initialize(bis);
-#endif
-#if defined(CONFIG_ETHER_ON_SCC)
- mpc82xx_scc_enet_initialize(bis);
-#endif
- return 0;
-}
generated by cgit v1.1 at 2024-11-05 21:08:09 +0000