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-rw-r--r--cpu/mpc824x/cpu.c280
1 files changed, 0 insertions, 280 deletions
diff --git a/cpu/mpc824x/cpu.c b/cpu/mpc824x/cpu.c
deleted file mode 100644
index 08f6a94..0000000
--- a/cpu/mpc824x/cpu.c
+++ /dev/null
@@ -1,280 +0,0 @@
-/*
- * (C) Copyright 2000 - 2002
- * 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
- */
-
-#include <config.h>
-#include <mpc824x.h>
-#include <common.h>
-#include <command.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int checkcpu (void)
-{
- unsigned int pvr = get_pvr ();
- unsigned int version = pvr >> 16;
- unsigned char revision;
- ulong clock = gd->cpu_clk;
- char buf[32];
-
- puts ("CPU: ");
-
- switch (version) {
- case CPU_TYPE_8240:
- puts ("MPC8240");
- break;
-
- case CPU_TYPE_8245:
- puts ("MPC8245");
- break;
-
- default:
- return -1; /*not valid for this source */
- }
-
- CONFIG_READ_BYTE (REVID, revision);
-
- if (revision) {
- printf (" Revision %d.%d",
- (revision & 0xf0) >> 4,
- (revision & 0x0f));
- } else {
- return -1; /* no valid CPU revision info */
- }
-
- printf (" at %s MHz:", strmhz (buf, clock));
-
- printf (" %u kB I-Cache", checkicache () >> 10);
- printf (" %u kB D-Cache", checkdcache () >> 10);
-
- puts ("\n");
-
- return 0;
-}
-
-/* ------------------------------------------------------------------------- */
-/* L1 i-cache */
-
-int checkicache (void)
-{
- /*TODO*/
- return 128 * 4 * 32;
-};
-
-/* ------------------------------------------------------------------------- */
-/* L1 d-cache */
-
-int checkdcache (void)
-{
- /*TODO*/
- return 128 * 4 * 32;
-
-};
-
-/*------------------------------------------------------------------- */
-
-int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- ulong msr, addr;
-
- /* Interrupts and MMU off */
- __asm__ ("mtspr 81, 0");
-
- /* Interrupts and MMU off */
- __asm__ __volatile__ ("mfmsr %0":"=r" (msr):);
-
- msr &= ~0x1030;
- __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.
- * "(ulong)-1" used to be a good choice for many systems...
- */
- addr = CONFIG_SYS_MONITOR_BASE - sizeof (ulong);
-#endif
- ((void (*)(void)) addr) ();
- return 1;
-
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Get timebase clock frequency (like cpu_clk in Hz)
- * This is the sys_logic_clk (memory bus) divided by 4
- */
-unsigned long get_tbclk (void)
-{
- return ((get_bus_freq (0) + 2L) / 4L);
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * The MPC824x has an integrated PCI controller known as the MPC107.
- * The following are MPC107 Bridge Controller and PCI Support functions
- *
- */
-
-/*
- * This procedure reads a 32-bit address MPC107 register, and returns
- * a 32 bit value. It swaps the address to little endian before
- * writing it to config address, and swaps the value to big endian
- * before returning to the caller.
- */
-unsigned int mpc824x_mpc107_getreg (unsigned int regNum)
-{
- unsigned int temp;
-
- /* swap the addr. to little endian */
- *(volatile unsigned int *) CHRP_REG_ADDR = PCISWAP (regNum);
- temp = *(volatile unsigned int *) CHRP_REG_DATA;
- return PCISWAP (temp); /* swap the data upon return */
-}
-
-/*
- * This procedure writes a 32-bit address MPC107 register. It swaps
- * the address to little endian before writing it to config address.
- */
-
-void mpc824x_mpc107_setreg (unsigned int regNum, unsigned int regVal)
-{
- /* swap the addr. to little endian */
- *(volatile unsigned int *) CHRP_REG_ADDR = PCISWAP (regNum);
- *(volatile unsigned int *) CHRP_REG_DATA = PCISWAP (regVal);
- return;
-}
-
-
-/*
- * Write a byte (8 bits) to a memory location.
- */
-void mpc824x_mpc107_write8 (unsigned int addr, unsigned char data)
-{
- *(unsigned char *) addr = data;
- __asm__ ("sync");
-}
-
-/*
- * Write a word (16 bits) to a memory location after the value
- * has been byte swapped (big to little endian or vice versa)
- */
-
-void mpc824x_mpc107_write16 (unsigned int address, unsigned short data)
-{
- *(volatile unsigned short *) address = BYTE_SWAP_16_BIT (data);
- __asm__ ("sync");
-}
-
-/*
- * Write a long word (32 bits) to a memory location after the value
- * has been byte swapped (big to little endian or vice versa)
- */
-
-void mpc824x_mpc107_write32 (unsigned int address, unsigned int data)
-{
- *(volatile unsigned int *) address = LONGSWAP (data);
- __asm__ ("sync");
-}
-
-/*
- * Read a byte (8 bits) from a memory location.
- */
-unsigned char mpc824x_mpc107_read8 (unsigned int addr)
-{
- return *(volatile unsigned char *) addr;
-}
-
-
-/*
- * Read a word (16 bits) from a memory location, and byte swap the
- * value before returning to the caller.
- */
-unsigned short mpc824x_mpc107_read16 (unsigned int address)
-{
- unsigned short retVal;
-
- retVal = BYTE_SWAP_16_BIT (*(unsigned short *) address);
- return retVal;
-}
-
-
-/*
- * Read a long word (32 bits) from a memory location, and byte
- * swap the value before returning to the caller.
- */
-unsigned int mpc824x_mpc107_read32 (unsigned int address)
-{
- unsigned int retVal;
-
- retVal = LONGSWAP (*(unsigned int *) address);
- return (retVal);
-}
-
-
-/*
- * Read a register in the Embedded Utilities Memory Block address
- * space.
- * Input: regNum - register number + utility base address. Example,
- * the base address of EPIC is 0x40000, the register number
- * being passed is 0x40000+the address of the target register.
- * (See epic.h for register addresses).
- * Output: The 32 bit little endian value of the register.
- */
-
-unsigned int mpc824x_eummbar_read (unsigned int regNum)
-{
- unsigned int temp;
-
- temp = *(volatile unsigned int *) (EUMBBAR_VAL + regNum);
- temp = PCISWAP (temp);
- return temp;
-}
-
-
-/*
- * Write a value to a register in the Embedded Utilities Memory
- * Block address space.
- * Input: regNum - register number + utility base address. Example,
- * the base address of EPIC is 0x40000, the register
- * number is 0x40000+the address of the target register.
- * (See epic.h for register addresses).
- * regVal - value to be written to the register.
- */
-
-void mpc824x_eummbar_write (unsigned int regNum, unsigned int regVal)
-{
- *(volatile unsigned int *) (EUMBBAR_VAL + regNum) = PCISWAP (regVal);
- return;
-}
-
-/* ------------------------------------------------------------------------- */
generated by cgit v1.1 at 2024-11-29 01:43:22 +0000