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author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2014-12-15 23:26:31 +0900 |
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committer | Tom Rini <trini@ti.com> | 2015-01-05 12:08:55 -0500 |
commit | d622ac39274a949b6445f1bfd92dc1644014388b (patch) | |
tree | f2f2f587edee722bf5fb6634e4c8e09b9d89592c /arch/powerpc/cpu/mpc824x/cpu.c | |
parent | 9067b30008e4c09fb6287d306caf2a6bed08370f (diff) | |
download | u-boot-imx-d622ac39274a949b6445f1bfd92dc1644014388b.zip u-boot-imx-d622ac39274a949b6445f1bfd92dc1644014388b.tar.gz u-boot-imx-d622ac39274a949b6445f1bfd92dc1644014388b.tar.bz2 |
powerpc: mpc824x: remove MPC824X cpu support
All the MPC824X boards are still non-generic boards:
A3000, CPC45, CU824, eXalion, MVBLUE, MUSENKI, Sandpoint824x, utx8245
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Josef Wagner <Wagner@Microsys.de>
Cc: Torsten Demke <torsten.demke@fci.com>
Cc: Jim Thompson <jim@musenki.com>
Cc: Greg Allen <gallen@arlut.utexas.edu>
Diffstat (limited to 'arch/powerpc/cpu/mpc824x/cpu.c')
-rw-r--r-- | arch/powerpc/cpu/mpc824x/cpu.c | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/arch/powerpc/cpu/mpc824x/cpu.c b/arch/powerpc/cpu/mpc824x/cpu.c deleted file mode 100644 index eaa4e87..0000000 --- a/arch/powerpc/cpu/mpc824x/cpu.c +++ /dev/null @@ -1,262 +0,0 @@ -/* - * (C) Copyright 2000 - 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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)); - - print_size(checkicache(), " I-Cache "); - print_size(checkdcache(), " D-Cache\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 * const 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; -} - -/* ------------------------------------------------------------------------- */ |