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-rw-r--r--cpu/mpc8220/Makefile50
-rw-r--r--cpu/mpc8220/config.mk30
-rw-r--r--cpu/mpc8220/cpu.c104
-rw-r--r--cpu/mpc8220/cpu_init.c136
-rw-r--r--cpu/mpc8220/dma.h68
-rw-r--r--cpu/mpc8220/dramSetup.c752
-rw-r--r--cpu/mpc8220/dramSetup.h108
-rw-r--r--cpu/mpc8220/fec.c1000
-rw-r--r--cpu/mpc8220/fec.h283
-rw-r--r--cpu/mpc8220/fec_dma_tasks.S363
-rw-r--r--cpu/mpc8220/i2c.c390
-rw-r--r--cpu/mpc8220/i2cCore.c627
-rw-r--r--cpu/mpc8220/i2cCore.h103
-rw-r--r--cpu/mpc8220/interrupts.c80
-rw-r--r--cpu/mpc8220/io.S128
-rw-r--r--cpu/mpc8220/loadtask.c78
-rw-r--r--cpu/mpc8220/pci.c191
-rw-r--r--cpu/mpc8220/speed.c123
-rw-r--r--cpu/mpc8220/start.S750
-rw-r--r--cpu/mpc8220/traps.c236
-rw-r--r--cpu/mpc8220/u-boot.lds122
-rw-r--r--cpu/mpc8220/uart.c126
22 files changed, 0 insertions, 5848 deletions
diff --git a/cpu/mpc8220/Makefile b/cpu/mpc8220/Makefile
deleted file mode 100644
index b4fad28..0000000
--- a/cpu/mpc8220/Makefile
+++ /dev/null
@@ -1,50 +0,0 @@
-#
-# (C) Copyright 2003-2006
-# 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
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(CPU).a
-
-START = start.o
-SOBJS = io.o fec_dma_tasks.o
-COBJS = cpu.o cpu_init.o dramSetup.o fec.o i2c.o \
- interrupts.o loadtask.o speed.o \
- traps.o uart.o pci.o
-
-SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-START := $(addprefix $(obj),$(START))
-
-all: $(obj).depend $(START) $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/cpu/mpc8220/config.mk b/cpu/mpc8220/config.mk
deleted file mode 100644
index 3ce40c0..0000000
--- a/cpu/mpc8220/config.mk
+++ /dev/null
@@ -1,30 +0,0 @@
-#
-# (C) Copyright 2003
-# 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
-#
-
-PLATFORM_RELFLAGS += -fPIC -meabi
-
-PLATFORM_CPPFLAGS += -DCONFIG_MPC8220 -ffixed-r2 \
- -mstring -mcpu=603e -mmultiple
-
-# Use default linker script. Board port can override in board/*/config.mk
-LDSCRIPT := $(SRCTREE)/cpu/mpc8220/u-boot.lds
diff --git a/cpu/mpc8220/cpu.c b/cpu/mpc8220/cpu.c
deleted file mode 100644
index 563cfe0..0000000
--- a/cpu/mpc8220/cpu.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * (C) Copyright 2000-2003
- * 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 MPC8220 CPUs
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <command.h>
-#include <mpc8220.h>
-#include <netdev.h>
-#include <asm/processor.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int checkcpu (void)
-{
- ulong clock = gd->cpu_clk;
- char buf[32];
-
- puts ("CPU: ");
-
- printf (CPU_ID_STR);
-
- printf (" (JTAG ID %08lx)", *(vu_long *) (CONFIG_SYS_MBAR + 0x50));
-
- printf (" at %s MHz\n", strmhz (buf, clock));
-
- return 0;
-}
-
-/* ------------------------------------------------------------------------- */
-
-int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
-{
- volatile gptmr8220_t *gptmr = (volatile gptmr8220_t *) MMAP_GPTMR;
- ulong msr;
-
- /* 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));
-
- /* Charge the watchdog timer */
- gptmr->Prescl = 10;
- gptmr->Count = 1;
-
- gptmr->Mode = GPT_TMS_SGPIO;
-
- gptmr->Control = GPT_CTRL_WDEN | GPT_CTRL_CE;
-
- return 1;
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Get timebase clock frequency (like cpu_clk in Hz)
- *
- */
-unsigned long get_tbclk (void)
-{
- ulong tbclk;
-
- tbclk = (gd->bus_clk + 3L) / 4L;
-
- return (tbclk);
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Initializes on-chip ethernet controllers.
- * to override, implement board_eth_init()
- */
-int cpu_eth_init(bd_t *bis)
-{
-#if defined(CONFIG_MPC8220_FEC)
- mpc8220_fec_initialize(bis);
-#endif
- return 0;
-}
diff --git a/cpu/mpc8220/cpu_init.c b/cpu/mpc8220/cpu_init.c
deleted file mode 100644
index 8f52c7d..0000000
--- a/cpu/mpc8220/cpu_init.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * (C) Copyright 2000-2003
- * 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 <common.h>
-#include <mpc8220.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * Breath some life into the CPU...
- *
- * Set up the memory map,
- * initialize a bunch of registers.
- */
-void cpu_init_f (void)
-{
- volatile flexbus8220_t *flexbus = (volatile flexbus8220_t *) MMAP_FB;
- volatile pcfg8220_t *portcfg = (volatile pcfg8220_t *) MMAP_PCFG;
- volatile xlbarb8220_t *xlbarb = (volatile xlbarb8220_t *) MMAP_XLBARB;
-
- /* Pointer is writable since we allocated a register for it */
- gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
-
- /* Clear initial global data */
- memset ((void *) gd, 0, sizeof (gd_t));
-
- /* Clear all port configuration */
- portcfg->pcfg0 = 0;
- portcfg->pcfg1 = 0;
- portcfg->pcfg2 = 0;
- portcfg->pcfg3 = 0;
- portcfg->pcfg2 = CONFIG_SYS_GP1_PORT2_CONFIG;
- portcfg->pcfg3 = CONFIG_SYS_PCI_PORT3_CONFIG | CONFIG_SYS_GP2_PORT3_CONFIG;
-
- /*
- * Flexbus Controller: configure chip selects and enable them
- */
-#if defined (CONFIG_SYS_CS0_BASE)
- flexbus->csar0 = CONFIG_SYS_CS0_BASE;
-
-/* Sorcery-C can hang-up after CTRL reg initialization */
-#if defined (CONFIG_SYS_CS0_CTRL)
- flexbus->cscr0 = CONFIG_SYS_CS0_CTRL;
-#endif
- flexbus->csmr0 = ((CONFIG_SYS_CS0_MASK - 1) & 0xffff0000) | 1;
- __asm__ volatile ("sync");
-#endif
-#if defined (CONFIG_SYS_CS1_BASE)
- flexbus->csar1 = CONFIG_SYS_CS1_BASE;
- flexbus->cscr1 = CONFIG_SYS_CS1_CTRL;
- flexbus->csmr1 = ((CONFIG_SYS_CS1_MASK - 1) & 0xffff0000) | 1;
- __asm__ volatile ("sync");
-#endif
-#if defined (CONFIG_SYS_CS2_BASE)
- flexbus->csar2 = CONFIG_SYS_CS2_BASE;
- flexbus->cscr2 = CONFIG_SYS_CS2_CTRL;
- flexbus->csmr2 = ((CONFIG_SYS_CS2_MASK - 1) & 0xffff0000) | 1;
- portcfg->pcfg3 |= CONFIG_SYS_CS2_PORT3_CONFIG;
- __asm__ volatile ("sync");
-#endif
-#if defined (CONFIG_SYS_CS3_BASE)
- flexbus->csar3 = CONFIG_SYS_CS3_BASE;
- flexbus->cscr3 = CONFIG_SYS_CS3_CTRL;
- flexbus->csmr3 = ((CONFIG_SYS_CS3_MASK - 1) & 0xffff0000) | 1;
- portcfg->pcfg3 |= CONFIG_SYS_CS3_PORT3_CONFIG;
- __asm__ volatile ("sync");
-#endif
-#if defined (CONFIG_SYS_CS4_BASE)
- flexbus->csar4 = CONFIG_SYS_CS4_BASE;
- flexbus->cscr4 = CONFIG_SYS_CS4_CTRL;
- flexbus->csmr4 = ((CONFIG_SYS_CS4_MASK - 1) & 0xffff0000) | 1;
- portcfg->pcfg3 |= CONFIG_SYS_CS4_PORT3_CONFIG;
- __asm__ volatile ("sync");
-#endif
-#if defined (CONFIG_SYS_CS5_BASE)
- flexbus->csar5 = CONFIG_SYS_CS5_BASE;
- flexbus->cscr5 = CONFIG_SYS_CS5_CTRL;
- flexbus->csmr5 = ((CONFIG_SYS_CS5_MASK - 1) & 0xffff0000) | 1;
- portcfg->pcfg3 |= CONFIG_SYS_CS5_PORT3_CONFIG;
- __asm__ volatile ("sync");
-#endif
-
- /* This section of the code cannot place in cpu_init_r(),
- it will cause the system to hang */
- /* enable timebase */
- xlbarb->addrTenTimeOut = 0x1000;
- xlbarb->dataTenTimeOut = 0x1000;
- xlbarb->busActTimeOut = 0x2000;
-
- xlbarb->config = 0x00002000;
-
- /* Master Priority Enable */
- xlbarb->mastPriority = 0;
- xlbarb->mastPriEn = 0xff;
-}
-
-/*
- * initialize higher level parts of CPU like time base and timers
- */
-int cpu_init_r (void)
-{
- /* this may belongs to disable interrupt section */
- /* mask all interrupts */
- *(vu_long *) 0xf0000700 = 0xfffffc00;
- *(vu_long *) 0xf0000714 |= 0x0001ffff;
- *(vu_long *) 0xf0000710 &= ~0x00000f00;
-
- /* route critical ints to normal ints */
- *(vu_long *) 0xf0000710 |= 0x00000001;
-
-#if defined(CONFIG_CMD_NET) && defined(CONFIG_MPC8220_FEC)
- /* load FEC microcode */
- loadtask (0, 2);
-#endif
- return (0);
-}
diff --git a/cpu/mpc8220/dma.h b/cpu/mpc8220/dma.h
deleted file mode 100644
index d06ee63..0000000
--- a/cpu/mpc8220/dma.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * This file is based on code
- * (C) Copyright Motorola, Inc., 2000
- *
- * MPC8220 dma header file
- */
-
-#ifndef __MPC8220_DMA_H
-#define __MPC8220_DMA_H
-
-#include <common.h>
-#include <mpc8220.h>
-
-/* Task number assignment */
-#define FEC_RECV_TASK_NO 0
-#define FEC_XMIT_TASK_NO 1
-
-/*---------------------------------------------------------------------
- * Stuff for Ethernet Tx/Rx tasks
- *---------------------------------------------------------------------
- */
-
-/* Layout of Ethernet controller Parameter SRAM area:
- * ----------------------------------------------------------------
- * 0x00: TBD_BASE, base address of TX BD ring
- * 0x04: TBD_NEXT, address of next TX BD to be processed
- * 0x08: RBD_BASE, base address of RX BD ring
- * 0x0C: RBD_NEXT, address of next RX BD to be processed
- * ---------------------------------------------------------------
- * ALL PARAMETERS ARE ALL LONGWORDS (FOUR BYTES EACH).
- */
-
-/* base address of SRAM area to store parameters used by Ethernet tasks */
-#define FEC_PARAM_BASE (MMAP_SRAM + 0x5b00)
-
-/* base address of SRAM area for buffer descriptors */
-#define FEC_BD_BASE (MMAP_SRAM + 0x5b20)
-
-/*---------------------------------------------------------------------
- * common shortcuts used by driver C code
- *---------------------------------------------------------------------
- */
-
-/* Disable SmartDMA task */
-#define DMA_TASK_DISABLE(tasknum) \
-{ \
- volatile ushort *tcr = (ushort *)(MMAP_DMA + 0x0000001c + 2 * tasknum); \
- *tcr = (*tcr) & (~0x8000); \
-}
-
-/* Enable SmartDMA task */
-#define DMA_TASK_ENABLE(tasknum) \
-{ \
- volatile ushort *tcr = (ushort *) (MMAP_DMA + 0x0000001c + 2 * tasknum);\
- *tcr = (*tcr) | 0x8000; \
-}
-
-/* Clear interrupt pending bits */
-#define DMA_CLEAR_IEVENT(tasknum) \
-{ \
- struct mpc8220_dma *dma = (struct mpc8220_dma *)MMAP_DMA; \
- dma->IntPend = (1 << tasknum); \
-}
-
-#endif /* __MPC8220_DMA_H */
diff --git a/cpu/mpc8220/dramSetup.c b/cpu/mpc8220/dramSetup.c
deleted file mode 100644
index 52cf133..0000000
--- a/cpu/mpc8220/dramSetup.c
+++ /dev/null
@@ -1,752 +0,0 @@
-/*
- * (C) Copyright 2004, Freescale, Inc
- * TsiChung Liew, Tsi-Chung.Liew@freescale.com
- *
- * 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
- */
-
-/*
-DESCRIPTION
-Read Dram spd and base on its information to calculate the memory size,
-characteristics to initialize the dram on MPC8220
-*/
-
-#include <common.h>
-#include <mpc8220.h>
-#include "i2cCore.h"
-#include "dramSetup.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define SPD_SIZE CONFIG_SYS_SDRAM_SPD_SIZE
-#define DRAM_SPD (CONFIG_SYS_SDRAM_SPD_I2C_ADDR)<<1 /* on Board SPD eeprom */
-#define TOTAL_BANK CONFIG_SYS_SDRAM_TOTAL_BANKS
-
-int spd_status (volatile i2c8220_t * pi2c, u8 sta_bit, u8 truefalse)
-{
- int i;
-
- for (i = 0; i < I2C_POLL_COUNT; i++) {
- if ((pi2c->sr & sta_bit) == (truefalse ? sta_bit : 0))
- return (OK);
- }
-
- return (ERROR);
-}
-
-int spd_clear (volatile i2c8220_t * pi2c)
-{
- pi2c->adr = 0;
- pi2c->fdr = 0;
- pi2c->cr = 0;
- pi2c->sr = 0;
-
- return (OK);
-}
-
-int spd_stop (volatile i2c8220_t * pi2c)
-{
- pi2c->cr &= ~I2C_CTL_STA; /* Generate stop signal */
- if (spd_status (pi2c, I2C_STA_BB, 0) != OK)
- return ERROR;
-
- return (OK);
-}
-
-int spd_readbyte (volatile i2c8220_t * pi2c, u8 * readb, int *index)
-{
- pi2c->sr &= ~I2C_STA_IF; /* Clear Interrupt Bit */
- *readb = pi2c->dr; /* Read a byte */
-
- /*
- Set I2C_CTRL_TXAK will cause Transfer pending and
- set I2C_CTRL_STA will cause Interrupt pending
- */
- if (*index != 2) {
- if (spd_status (pi2c, I2C_STA_CF, 1) != OK) /* Transfer not complete? */
- return ERROR;
- }
-
- if (*index != 1) {
- if (spd_status (pi2c, I2C_STA_IF, 1) != OK)
- return ERROR;
- }
-
- return (OK);
-}
-
-int readSpdData (u8 * spdData)
-{
- volatile i2c8220_t *pi2cReg;
- volatile pcfg8220_t *pcfg;
- u8 slvAdr = DRAM_SPD;
- u8 Tmp;
- int Length = SPD_SIZE;
- int i = 0;
-
- /* Enable Port Configuration for SDA and SDL signals */
- pcfg = (volatile pcfg8220_t *) (MMAP_PCFG);
- __asm__ ("sync");
- pcfg->pcfg3 &= ~CONFIG_SYS_I2C_PORT3_CONFIG;
- __asm__ ("sync");
-
- /* Points the structure to I2c mbar memory offset */
- pi2cReg = (volatile i2c8220_t *) (MMAP_I2C);
-
-
- /* Clear FDR, ADR, SR and CR reg */
- pi2cReg->adr = 0;
- pi2cReg->fdr = 0;
- pi2cReg->cr = 0;
- pi2cReg->sr = 0;
-
- /* Set for fix XLB Bus Frequency */
- switch (gd->bus_clk) {
- case 60000000:
- pi2cReg->fdr = 0x15;
- break;
- case 70000000:
- pi2cReg->fdr = 0x16;
- break;
- case 80000000:
- pi2cReg->fdr = 0x3a;
- break;
- case 90000000:
- pi2cReg->fdr = 0x17;
- break;
- case 100000000:
- pi2cReg->fdr = 0x3b;
- break;
- case 110000000:
- pi2cReg->fdr = 0x18;
- break;
- case 120000000:
- pi2cReg->fdr = 0x19;
- break;
- case 130000000:
- pi2cReg->fdr = 0x1a;
- break;
- }
-
- pi2cReg->adr = CONFIG_SYS_I2C_SLAVE<<1;
-
- pi2cReg->cr = I2C_CTL_EN; /* Set Enable */
-
- /*
- The I2C bus should be in Idle state. If the bus is busy,
- clear the STA bit in control register
- */
- if (spd_status (pi2cReg, I2C_STA_BB, 0) != OK) {
- if ((pi2cReg->cr & I2C_CTL_STA) == I2C_CTL_STA)
- pi2cReg->cr &= ~I2C_CTL_STA;
-
- /* Check again if it is still busy, return error if found */
- if (spd_status (pi2cReg, I2C_STA_BB, 1) == OK)
- return ERROR;
- }
-
- pi2cReg->cr |= I2C_CTL_TX; /* Enable the I2c for TX, Ack */
- pi2cReg->cr |= I2C_CTL_STA; /* Generate start signal */
-
- if (spd_status (pi2cReg, I2C_STA_BB, 1) != OK)
- return ERROR;
-
-
- /* Write slave address */
- pi2cReg->sr &= ~I2C_STA_IF; /* Clear Interrupt */
- pi2cReg->dr = slvAdr; /* Write a byte */
-
- if (spd_status (pi2cReg, I2C_STA_CF, 1) != OK) { /* Transfer not complete? */
- spd_stop (pi2cReg);
- return ERROR;
- }
-
- if (spd_status (pi2cReg, I2C_STA_IF, 1) != OK) {
- spd_stop (pi2cReg);
- return ERROR;
- }
-
-
- /* Issue the offset to start */
- pi2cReg->sr &= ~I2C_STA_IF; /* Clear Interrupt */
- pi2cReg->dr = 0; /* Write a byte */
-
- if (spd_status (pi2cReg, I2C_STA_CF, 1) != OK) { /* Transfer not complete? */
- spd_stop (pi2cReg);
- return ERROR;
- }
-
- if (spd_status (pi2cReg, I2C_STA_IF, 1) != OK) {
- spd_stop (pi2cReg);
- return ERROR;
- }
-
-
- /* Set repeat start */
- pi2cReg->cr |= I2C_CTL_RSTA; /* Repeat Start */
-
- pi2cReg->sr &= ~I2C_STA_IF; /* Clear Interrupt */
- pi2cReg->dr = slvAdr | 1; /* Write a byte */
-
- if (spd_status (pi2cReg, I2C_STA_CF, 1) != OK) { /* Transfer not complete? */
- spd_stop (pi2cReg);
- return ERROR;
- }
-
- if (spd_status (pi2cReg, I2C_STA_IF, 1) != OK) {
- spd_stop (pi2cReg);
- return ERROR;
- }
-
- if (((pi2cReg->sr & 0x07) == 0x07) || (pi2cReg->sr & 0x01))
- return ERROR;
-
- pi2cReg->cr &= ~I2C_CTL_TX; /* Set receive mode */
-
- if (((pi2cReg->sr & 0x07) == 0x07) || (pi2cReg->sr & 0x01))
- return ERROR;
-
- /* Dummy Read */
- if (spd_readbyte (pi2cReg, &Tmp, &i) != OK) {
- spd_stop (pi2cReg);
- return ERROR;
- }
-
- i = 0;
- while (Length) {
- if (Length == 2)
- pi2cReg->cr |= I2C_CTL_TXAK;
-
- if (Length == 1)
- pi2cReg->cr &= ~I2C_CTL_STA;
-
- if (spd_readbyte (pi2cReg, spdData, &Length) != OK) {
- return spd_stop (pi2cReg);
- }
- i++;
- Length--;
- spdData++;
- }
-
- /* Stop the service */
- spd_stop (pi2cReg);
-
- return OK;
-}
-
-int getBankInfo (int bank, draminfo_t * pBank)
-{
- int status;
- int checksum;
- int count;
- u8 spdData[SPD_SIZE];
-
-
- if (bank > 2 || pBank == 0) {
- /* illegal values */
- return (-42);
- }
-
- status = readSpdData (&spdData[0]);
- if (status < 0)
- return (-1);
-
- /* check the checksum */
- for (count = 0, checksum = 0; count < LOC_CHECKSUM; count++)
- checksum += spdData[count];
-
- checksum = checksum - ((checksum / 256) * 256);
-
- if (checksum != spdData[LOC_CHECKSUM])
- return (-2);
-
- /* Get the memory type */
- if (!
- ((spdData[LOC_TYPE] == TYPE_DDR)
- || (spdData[LOC_TYPE] == TYPE_SDR)))
- /* not one of the types we support */
- return (-3);
-
- pBank->type = spdData[LOC_TYPE];
-
- /* Set logical banks */
- pBank->banks = spdData[LOC_LOGICAL_BANKS];
-
- /* Check that we have enough physical banks to cover the bank we are
- * figuring out. Odd-numbered banks correspond to the second bank
- * on the device.
- */
- if (bank & 1) {
- /* Second bank of a "device" */
- if (spdData[LOC_PHYS_BANKS] < 2)
- /* this bank doesn't exist on the "device" */
- return (-4);
-
- if (spdData[LOC_ROWS] & 0xf0)
- /* Two asymmetric banks */
- pBank->rows = spdData[LOC_ROWS] >> 4;
- else
- pBank->rows = spdData[LOC_ROWS];
-
- if (spdData[LOC_COLS] & 0xf0)
- /* Two asymmetric banks */
- pBank->cols = spdData[LOC_COLS] >> 4;
- else
- pBank->cols = spdData[LOC_COLS];
- } else {
- /* First bank of a "device" */
- pBank->rows = spdData[LOC_ROWS];
- pBank->cols = spdData[LOC_COLS];
- }
-
- pBank->width = spdData[LOC_WIDTH_HIGH] << 8 | spdData[LOC_WIDTH_LOW];
- pBank->bursts = spdData[LOC_BURSTS];
- pBank->CAS = spdData[LOC_CAS];
- pBank->CS = spdData[LOC_CS];
- pBank->WE = spdData[LOC_WE];
- pBank->Trp = spdData[LOC_Trp];
- pBank->Trcd = spdData[LOC_Trcd];
- pBank->buffered = spdData[LOC_Buffered] & 1;
- pBank->refresh = spdData[LOC_REFRESH];
-
- return (0);
-}
-
-
-/* checkMuxSetting -- given a row/column device geometry, return a mask
- * of the valid DRAM controller addr_mux settings for
- * that geometry.
- *
- * Arguments: u8 rows: number of row addresses in this device
- * u8 columns: number of column addresses in this device
- *
- * Returns: a mask of the allowed addr_mux settings for this
- * geometry. Each bit in the mask represents a
- * possible addr_mux settings (for example, the
- * (1<<2) bit in the mask represents the 0b10 setting)/
- *
- */
-u8 checkMuxSetting (u8 rows, u8 columns)
-{
- muxdesc_t *pIdx, *pMux;
- u8 mask;
- int lrows, lcolumns;
- u32 mux[4] = { 0x00080c04, 0x01080d03, 0x02080e02, 0xffffffff };
-
- /* Setup MuxDescriptor in SRAM space */
- /* MUXDESC AddressRuns [] = {
- { 0, 8, 12, 4 }, / setting, columns, rows, extra columns /
- { 1, 8, 13, 3 }, / setting, columns, rows, extra columns /
- { 2, 8, 14, 2 }, / setting, columns, rows, extra columns /
- { 0xff } / list terminator /
- }; */
-
- pIdx = (muxdesc_t *) & mux[0];
-
- /* Check rows x columns against each possible address mux setting */
- for (pMux = pIdx, mask = 0;; pMux++) {
- lrows = rows;
- lcolumns = columns;
-
- if (pMux->MuxValue == 0xff)
- break; /* end of list */
-
- /* For a given mux setting, since we want all the memory in a
- * device to be contiguous, we want the device "use up" the
- * address lines such that there are no extra column or row
- * address lines on the device.
- */
-
- lcolumns -= pMux->Columns;
- if (lcolumns < 0)
- /* Not enough columns to get to the rows */
- continue;
-
- lrows -= pMux->Rows;
- if (lrows > 0)
- /* we have extra rows left -- can't do that! */
- continue;
-
- /* At this point, we either have to have used up all the
- * rows or we have to have no columns left.
- */
-
- if (lcolumns != 0 && lrows != 0)
- /* rows AND columns are left. Bad! */
- continue;
-
- lcolumns -= pMux->MoreColumns;
-
- if (lcolumns <= 0)
- mask |= (1 << pMux->MuxValue);
- }
-
- return (mask);
-}
-
-
-u32 dramSetup (void)
-{
- draminfo_t DramInfo[TOTAL_BANK];
- draminfo_t *pDramInfo;
- u32 size, temp, cfg_value, mode_value, refresh;
- u8 *ptr;
- u8 bursts, Trp, Trcd, type, buffered;
- u8 muxmask, rows, columns;
- int count, banknum;
- u32 *prefresh, *pIdx;
- u32 refrate[8] = { 15625, 3900, 7800, 31300,
- 62500, 125000, 0xffffffff, 0xffffffff
- };
- volatile sysconf8220_t *sysconf;
- volatile memctl8220_t *memctl;
-
- sysconf = (volatile sysconf8220_t *) MMAP_MBAR;
- memctl = (volatile memctl8220_t *) MMAP_MEMCTL;
-
- /* Set everything in the descriptions to zero */
- ptr = (u8 *) & DramInfo[0];
- for (count = 0; count < sizeof (DramInfo); count++)
- *ptr++ = 0;
-
- for (banknum = 0; banknum < TOTAL_BANK; banknum++)
- sysconf->cscfg[banknum];
-
- /* Descriptions of row/column address muxing for various
- * addr_mux settings.
- */
-
- pIdx = prefresh = (u32 *) & refrate[0];
-
- /* Get all the info for all three logical banks */
- bursts = 0xff;
- Trp = 0;
- Trcd = 0;
- type = 0;
- buffered = 0xff;
- refresh = 0xffffffff;
- muxmask = 0xff;
-
- /* Two bank, CS0 and CS1 */
- for (banknum = 0, pDramInfo = &DramInfo[0];
- banknum < TOTAL_BANK; banknum++, pDramInfo++) {
- pDramInfo->ordinal = banknum; /* initial sorting */
- if (getBankInfo (banknum, pDramInfo) < 0)
- continue;
-
- /* get cumulative parameters of all three banks */
- if (type && pDramInfo->type != type)
- return 0;
-
- type = pDramInfo->type;
- rows = pDramInfo->rows;
- columns = pDramInfo->cols;
-
- /* This chip only supports 13 DRAM memory lines, but some devices
- * have 14 rows. To deal with this, ignore the 14th address line
- * by limiting the number of rows (and columns) to 13. This will
- * mean that for 14-row devices we will only be able to use
- * half of the memory, but it's better than nothing.
- */
- if (rows > 13)
- rows = 13;
- if (columns > 13)
- columns = 13;
-
- pDramInfo->size =
- ((1 << (rows + columns)) * pDramInfo->width);
- pDramInfo->size *= pDramInfo->banks;
- pDramInfo->size >>= 3;
-
- /* figure out which addr_mux configurations will support this device */
- muxmask &= checkMuxSetting (rows, columns);
- if (muxmask == 0)
- return 0;
-
- buffered = pDramInfo->buffered;
- bursts &= pDramInfo->bursts; /* union of all bursts */
- if (pDramInfo->Trp > Trp) /* worst case (longest) Trp */
- Trp = pDramInfo->Trp;
-
- if (pDramInfo->Trcd > Trcd) /* worst case (longest) Trcd */
- Trcd = pDramInfo->Trcd;
-
- prefresh = pIdx;
- /* worst case (shortest) Refresh period */
- if (refresh > prefresh[pDramInfo->refresh & 7])
- refresh = prefresh[pDramInfo->refresh & 7];
-
- } /* for loop */
-
-
- /* We only allow a burst length of 8! */
- if (!(bursts & 8))
- bursts = 8;
-
- /* Sort the devices. In order to get each chip select region
- * aligned properly, put the biggest device at the lowest address.
- * A simple bubble sort will do the trick.
- */
- for (banknum = 0, pDramInfo = &DramInfo[0];
- banknum < TOTAL_BANK; banknum++, pDramInfo++) {
- int i;
-
- for (i = 0; i < TOTAL_BANK; i++) {
- if (pDramInfo->size < DramInfo[i].size &&
- pDramInfo->ordinal < DramInfo[i].ordinal) {
- /* If the current bank is smaller, but if the ordinal is also
- * smaller, swap the ordinals
- */
- u8 temp8;
-
- temp8 = DramInfo[i].ordinal;
- DramInfo[i].ordinal = pDramInfo->ordinal;
- pDramInfo->ordinal = temp8;
- }
- }
- }
-
-
- /* Now figure out the base address for each bank. While
- * we're at it, figure out how much memory there is.
- *
- */
- size = 0;
- for (banknum = 0; banknum < TOTAL_BANK; banknum++) {
- int i;
-
- for (i = 0; i < TOTAL_BANK; i++) {
- if (DramInfo[i].ordinal == banknum
- && DramInfo[i].size != 0) {
- DramInfo[i].base = size;
- size += DramInfo[i].size;
- }
- }
- }
-
- /* Set up the Drive Strength register */
- sysconf->sdramds = CONFIG_SYS_SDRAM_DRIVE_STRENGTH;
-
- /* ********************** Cfg 1 ************************* */
-
- /* Set the single read to read/write/precharge delay */
- cfg_value = CFG1_SRD2RWP ((type == TYPE_DDR) ? 7 : 0xb);
-
- /* Set the single write to read/write/precharge delay.
- * This may or may not be correct. The controller spec
- * says "tWR", but "tWR" does not appear in the SPD. It
- * always seems to be 15nsec for the class of device we're
- * using, which turns out to be 2 clock cycles at 133MHz,
- * so that's what we're going to use.
- *
- * HOWEVER, because of a bug in the controller, for DDR
- * we need to set this to be the same as the value
- * calculated for bwt2rwp.
- */
- cfg_value |= CFG1_SWT2RWP ((type == TYPE_DDR) ? 7 : 2);
-
- /* Set the Read CAS latency. We're going to use a CL of
- * 2.5 for DDR and 2 SDR.
- */
- cfg_value |= CFG1_RLATENCY ((type == TYPE_DDR) ? 7 : 2);
-
-
- /* Set the Active to Read/Write delay. This depends
- * on Trcd which is reported as nanoseconds times 4.
- * We want to calculate Trcd (in nanoseconds) times XLB clock (in Hz)
- * which gives us a dimensionless quantity. Play games with
- * the divisions so we don't run out of dynamic ranges.
- */
- /* account for megaherz and the times 4 */
- temp = (Trcd * (gd->bus_clk / 1000000)) / 4;
-
- /* account for nanoseconds and round up, with a minimum value of 2 */
- temp = ((temp + 999) / 1000) - 1;
- if (temp < 2)
- temp = 2;
-
- cfg_value |= CFG1_ACT2WR (temp);
-
- /* Set the precharge to active delay. This depends
- * on Trp which is reported as nanoseconds times 4.
- * We want to calculate Trp (in nanoseconds) times XLB clock (in Hz)
- * which gives us a dimensionless quantity. Play games with
- * the divisions so we don't run out of dynamic ranges.
- */
- /* account for megaherz and the times 4 */
- temp = (Trp * (gd->bus_clk / 1000000)) / 4;
-
- /* account for nanoseconds and round up, then subtract 1, with a
- * minumum value of 1 and a maximum value of 7.
- */
- temp = (((temp + 999) / 1000) - 1) & 7;
- if (temp < 1)
- temp = 1;
-
- cfg_value |= CFG1_PRE2ACT (temp);
-
- /* Set refresh to active delay. This depends
- * on Trfc which is not reported in the SPD.
- * We'll use a nominal value of 75nsec which is
- * what the controller spec uses.
- */
- temp = (75 * (gd->bus_clk / 1000000));
- /* account for nanoseconds and round up, then subtract 1 */
- cfg_value |= CFG1_REF2ACT (((temp + 999) / 1000) - 1);
-
- /* Set the write latency, using the values given in the controller spec */
- cfg_value |= CFG1_WLATENCY ((type == TYPE_DDR) ? 3 : 0);
- memctl->cfg1 = cfg_value; /* cfg 1 */
- asm volatile ("sync");
-
-
- /* ********************** Cfg 2 ************************* */
-
- /* Set the burst read to read/precharge delay */
- cfg_value = CFG2_BRD2RP ((type == TYPE_DDR) ? 5 : 8);
-
- /* Set the burst write to read/precharge delay. Semi-magic numbers
- * based on the controller spec recommendations, assuming tWR is
- * two clock cycles.
- */
- cfg_value |= CFG2_BWT2RWP ((type == TYPE_DDR) ? 7 : 10);
-
- /* Set the Burst read to write delay. Semi-magic numbers
- * based on the DRAM controller documentation.
- */
- cfg_value |= CFG2_BRD2WT ((type == TYPE_DDR) ? 7 : 0xb);
-
- /* Set the burst length -- must be 8!! Well, 7, actually, becuase
- * it's burst lenght minus 1.
- */
- cfg_value |= CFG2_BURSTLEN (7);
- memctl->cfg2 = cfg_value; /* cfg 2 */
- asm volatile ("sync");
-
-
- /* ********************** mode ************************* */
-
- /* Set enable bit, CKE high/low bits, and the DDR/SDR mode bit,
- * disable automatic refresh.
- */
- cfg_value = CTL_MODE_ENABLE | CTL_CKE_HIGH |
- ((type == TYPE_DDR) ? CTL_DDR_MODE : 0);
-
- /* Set the address mux based on whichever setting(s) is/are common
- * to all the devices we have. If there is more than one, choose
- * one arbitrarily.
- */
- if (muxmask & 0x4)
- cfg_value |= CTL_ADDRMUX (2);
- else if (muxmask & 0x2)
- cfg_value |= CTL_ADDRMUX (1);
- else
- cfg_value |= CTL_ADDRMUX (0);
-
- /* Set the refresh interval. */
- temp = ((refresh * (gd->bus_clk / 1000000)) / (1000 * 64)) - 1;
- cfg_value |= CTL_REFRESH_INTERVAL (temp);
-
- /* Set buffered/non-buffered memory */
- if (buffered)
- cfg_value |= CTL_BUFFERED;
-
- memctl->ctrl = cfg_value; /* ctrl */
- asm volatile ("sync");
-
- if (type == TYPE_DDR) {
- /* issue precharge all */
- temp = cfg_value | CTL_PRECHARGE_CMD;
- memctl->ctrl = temp; /* ctrl */
- asm volatile ("sync");
- }
-
-
- /* Set up mode value for CAS latency */
-#if (CONFIG_SYS_SDRAM_CAS_LATENCY==5) /* CL=2.5 */
- mode_value = (MODE_MODE | MODE_BURSTLEN (MODE_BURSTLEN_8) |
- MODE_BT_SEQUENTIAL | MODE_CL (MODE_CL_2p5) | MODE_CMD);
-#else
- mode_value = (MODE_MODE | MODE_BURSTLEN (MODE_BURSTLEN_8) |
- MODE_BT_SEQUENTIAL | MODE_CL (MODE_CL_2) | MODE_CMD);
-#endif
- asm volatile ("sync");
-
- /* Write Extended Mode - enable DLL */
- if (type == TYPE_DDR) {
- temp = MODE_EXTENDED | MODE_X_DLL_ENABLE |
- MODE_X_DS_NORMAL | MODE_CMD;
- memctl->mode = (temp >> 16); /* mode */
- asm volatile ("sync");
-
- /* Write Mode - reset DLL, set CAS latency */
- temp = mode_value | MODE_OPMODE (MODE_OPMODE_RESETDLL);
- memctl->mode = (temp >> 16); /* mode */
- asm volatile ("sync");
- }
-
- /* Program the chip selects. */
- for (banknum = 0; banknum < TOTAL_BANK; banknum++) {
- if (DramInfo[banknum].size != 0) {
- u32 mask;
- int i;
-
- for (i = 0, mask = 1; i < 32; mask <<= 1, i++) {
- if (DramInfo[banknum].size & mask)
- break;
- }
- temp = (DramInfo[banknum].base & 0xfff00000) | (i -
- 1);
-
- sysconf->cscfg[banknum] = temp;
- asm volatile ("sync");
- }
- }
-
- /* Wait for DLL lock */
- udelay (200);
-
- temp = cfg_value | CTL_PRECHARGE_CMD; /* issue precharge all */
- memctl->ctrl = temp; /* ctrl */
- asm volatile ("sync");
-
- temp = cfg_value | CTL_REFRESH_CMD; /* issue precharge all */
- memctl->ctrl = temp; /* ctrl */
- asm volatile ("sync");
-
- memctl->ctrl = temp; /* ctrl */
- asm volatile ("sync");
-
- /* Write Mode - DLL normal */
- temp = mode_value | MODE_OPMODE (MODE_OPMODE_NORMAL);
- memctl->mode = (temp >> 16); /* mode */
- asm volatile ("sync");
-
- /* Enable refresh, enable DQS's (if DDR), and lock the control register */
- cfg_value &= ~CTL_MODE_ENABLE; /* lock register */
- cfg_value |= CTL_REFRESH_ENABLE; /* enable refresh */
-
- if (type == TYPE_DDR)
- cfg_value |= CTL_DQSOEN (0xf); /* enable DQS's for DDR */
-
- memctl->ctrl = cfg_value; /* ctrl */
- asm volatile ("sync");
-
- return size;
-}
diff --git a/cpu/mpc8220/dramSetup.h b/cpu/mpc8220/dramSetup.h
deleted file mode 100644
index 3b64e08..0000000
--- a/cpu/mpc8220/dramSetup.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * dramSetup.h
- *
- * Prototypes, etc. for the Motorola MPC8220
- * embedded cpu chips
- *
- * 2004 (c) Freescale, Inc.
- * Author: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
- *
- * 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
- */
-#ifndef __INCdramsetuph
-#define __INCdramsetuph
-#ifndef __ASSEMBLY__
-/* Where various things are in the SPD */
-#define LOC_TYPE 2
-#define LOC_CHECKSUM 63
-#define LOC_PHYS_BANKS 5
-#define LOC_LOGICAL_BANKS 17
-#define LOC_ROWS 3
-#define LOC_COLS 4
-#define LOC_WIDTH_HIGH 7
-#define LOC_WIDTH_LOW 6
-#define LOC_REFRESH 12
-#define LOC_BURSTS 16
-#define LOC_CAS 18
-#define LOC_CS 19
-#define LOC_WE 20
-#define LOC_Tcyc 9
-#define LOC_Tac 10
-#define LOC_Trp 27
-#define LOC_Trrd 28
-#define LOC_Trcd 29
-#define LOC_Tras 30
-#define LOC_Buffered 21
-/* Types of memory the SPD can tell us about.
- * We can actually only use SDRAM and DDR.
- */
-#define TYPE_DRAM 1 /* plain old dram */
-#define TYPE_EDO 2 /* EDO dram */
-#define TYPE_Nibble 3 /* serial nibble memory */
-#define TYPE_SDR 4 /* SDRAM */
-#define TYPE_ROM 5 /* */
-#define TYPE_SGRRAM 6 /* graphics memory */
-#define TYPE_DDR 7 /* DDR sdram */
-#define SDRAMDS_MASK 0x3 /* each field is 2 bits wide */
-#define SDRAMDS_SBE_SHIFT 8 /* Clock enable drive strength */
-#define SDRAMDS_SBC_SHIFT 6 /* Clocks drive strength */
-#define SDRAMDS_SBA_SHIFT 4 /* Address drive strength */
-#define SDRAMDS_SBS_SHIFT 2 /* SDR DQS drive strength */
-#define SDRAMDS_SBD_SHIFT 0 /* Data and DQS drive strength */
-#define DRIVE_STRENGTH_HIGH 0
-#define DRIVE_STRENGTH_MED 1
-#define DRIVE_STRENGTH_LOW 2
-#define DRIVE_STRENGTH_OFF 3
-
-#define OK 0
-#define ERROR -1
-/* Structure to hold information about address muxing. */
- typedef struct tagMuxDescriptor {
- u8 MuxValue;
- u8 Columns;
- u8 Rows;
- u8 MoreColumns;
-} muxdesc_t;
-
-/* Structure to define one physical bank of
- * memory. Note that dram size in bytes is
- * (2^^(rows+columns)) * width * banks / 8
-*/
-typedef struct tagDramInfo {
- u32 size; /* size in bytes */
- u32 base; /* base address */
- u8 ordinal; /* where in the memory map will we put this */
- u8 type;
- u8 rows;
- u8 cols;
- u16 width; /* width of each chip in bits */
- u8 banks; /* number of chips, aka logical banks */
- u8 bursts; /* bit-encoded allowable burst length */
- u8 CAS; /* bit-encoded CAS latency values */
- u8 CS; /* bit-encoded CS latency values */
- u8 WE; /* bit-encoded WE latency values */
- u8 Trp; /* bit-encoded row precharge time */
- u8 Trcd; /* bit-encoded RAS to CAS delay */
- u8 buffered; /* buffered or not */
- u8 refresh; /* encoded refresh rate */
-} draminfo_t;
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* __INCdramsetuph */
diff --git a/cpu/mpc8220/fec.c b/cpu/mpc8220/fec.c
deleted file mode 100644
index 992e0ff..0000000
--- a/cpu/mpc8220/fec.c
+++ /dev/null
@@ -1,1000 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * This file is based on mpc4200fec.c,
- * (C) Copyright Motorola, Inc., 2000
- */
-
-#include <common.h>
-#include <mpc8220.h>
-#include <malloc.h>
-#include <net.h>
-#include <miiphy.h>
-#include "dma.h"
-#include "fec.h"
-
-#undef DEBUG
-#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \
- defined(CONFIG_MPC8220_FEC)
-
-#if !(defined(CONFIG_MII) || defined(CONFIG_CMD_MII))
-#error "CONFIG_MII has to be defined!"
-#endif
-
-#ifdef DEBUG
-static void tfifo_print (char *devname, mpc8220_fec_priv * fec);
-static void rfifo_print (char *devname, mpc8220_fec_priv * fec);
-#endif /* DEBUG */
-
-#ifdef DEBUG
-static u32 local_crc32 (char *string, unsigned int crc_value, int len);
-#endif
-
-typedef struct {
- u8 data[1500]; /* actual data */
- int length; /* actual length */
- int used; /* buffer in use or not */
- u8 head[16]; /* MAC header(6 + 6 + 2) + 2(aligned) */
-} NBUF;
-
-int fec8220_miiphy_read (char *devname, u8 phyAddr, u8 regAddr, u16 * retVal);
-int fec8220_miiphy_write (char *devname, u8 phyAddr, u8 regAddr, u16 data);
-
-/********************************************************************/
-#ifdef DEBUG
-static void mpc8220_fec_phydump (char *devname)
-{
- u16 phyStatus, i;
- u8 phyAddr = CONFIG_PHY_ADDR;
- u8 reg_mask[] = {
-#if CONFIG_PHY_TYPE == 0x79c874 /* AMD Am79C874 */
- /* regs to print: 0...7, 16...19, 21, 23, 24 */
- 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
- 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0,
-#else
- /* regs to print: 0...8, 16...20 */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
- 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-#endif
- };
-
- for (i = 0; i < 32; i++) {
- if (reg_mask[i]) {
- miiphy_read (devname, phyAddr, i, &phyStatus);
- printf ("Mii reg %d: 0x%04x\n", i, phyStatus);
- }
- }
-}
-#endif
-
-/********************************************************************/
-static int mpc8220_fec_rbd_init (mpc8220_fec_priv * fec)
-{
- int ix;
- char *data;
- static int once = 0;
-
- for (ix = 0; ix < FEC_RBD_NUM; ix++) {
- if (!once) {
- data = (char *) malloc (FEC_MAX_PKT_SIZE);
- if (data == NULL) {
- printf ("RBD INIT FAILED\n");
- return -1;
- }
- fec->rbdBase[ix].dataPointer = (u32) data;
- }
- fec->rbdBase[ix].status = FEC_RBD_EMPTY;
- fec->rbdBase[ix].dataLength = 0;
- }
- once++;
-
- /*
- * have the last RBD to close the ring
- */
- fec->rbdBase[ix - 1].status |= FEC_RBD_WRAP;
- fec->rbdIndex = 0;
-
- return 0;
-}
-
-/********************************************************************/
-static void mpc8220_fec_tbd_init (mpc8220_fec_priv * fec)
-{
- int ix;
-
- for (ix = 0; ix < FEC_TBD_NUM; ix++) {
- fec->tbdBase[ix].status = 0;
- }
-
- /*
- * Have the last TBD to close the ring
- */
- fec->tbdBase[ix - 1].status |= FEC_TBD_WRAP;
-
- /*
- * Initialize some indices
- */
- fec->tbdIndex = 0;
- fec->usedTbdIndex = 0;
- fec->cleanTbdNum = FEC_TBD_NUM;
-}
-
-/********************************************************************/
-static void mpc8220_fec_rbd_clean (mpc8220_fec_priv * fec, FEC_RBD * pRbd)
-{
- /*
- * Reset buffer descriptor as empty
- */
- if ((fec->rbdIndex) == (FEC_RBD_NUM - 1))
- pRbd->status = (FEC_RBD_WRAP | FEC_RBD_EMPTY);
- else
- pRbd->status = FEC_RBD_EMPTY;
-
- pRbd->dataLength = 0;
-
- /*
- * Now, we have an empty RxBD, restart the SmartDMA receive task
- */
- DMA_TASK_ENABLE (FEC_RECV_TASK_NO);
-
- /*
- * Increment BD count
- */
- fec->rbdIndex = (fec->rbdIndex + 1) % FEC_RBD_NUM;
-}
-
-/********************************************************************/
-static void mpc8220_fec_tbd_scrub (mpc8220_fec_priv * fec)
-{
- FEC_TBD *pUsedTbd;
-
-#ifdef DEBUG
- printf ("tbd_scrub: fec->cleanTbdNum = %d, fec->usedTbdIndex = %d\n",
- fec->cleanTbdNum, fec->usedTbdIndex);
-#endif
-
- /*
- * process all the consumed TBDs
- */
- while (fec->cleanTbdNum < FEC_TBD_NUM) {
- pUsedTbd = &fec->tbdBase[fec->usedTbdIndex];
- if (pUsedTbd->status & FEC_TBD_READY) {
-#ifdef DEBUG
- printf ("Cannot clean TBD %d, in use\n",
- fec->cleanTbdNum);
-#endif
- return;
- }
-
- /*
- * clean this buffer descriptor
- */
- if (fec->usedTbdIndex == (FEC_TBD_NUM - 1))
- pUsedTbd->status = FEC_TBD_WRAP;
- else
- pUsedTbd->status = 0;
-
- /*
- * update some indeces for a correct handling of the TBD ring
- */
- fec->cleanTbdNum++;
- fec->usedTbdIndex = (fec->usedTbdIndex + 1) % FEC_TBD_NUM;
- }
-}
-
-/********************************************************************/
-static void mpc8220_fec_set_hwaddr (mpc8220_fec_priv * fec, char *mac)
-{
- u8 currByte; /* byte for which to compute the CRC */
- int byte; /* loop - counter */
- int bit; /* loop - counter */
- u32 crc = 0xffffffff; /* initial value */
-
- /*
- * The algorithm used is the following:
- * we loop on each of the six bytes of the provided address,
- * and we compute the CRC by left-shifting the previous
- * value by one position, so that each bit in the current
- * byte of the address may contribute the calculation. If
- * the latter and the MSB in the CRC are different, then
- * the CRC value so computed is also ex-ored with the
- * "polynomium generator". The current byte of the address
- * is also shifted right by one bit at each iteration.
- * This is because the CRC generatore in hardware is implemented
- * as a shift-register with as many ex-ores as the radixes
- * in the polynomium. This suggests that we represent the
- * polynomiumm itself as a 32-bit constant.
- */
- for (byte = 0; byte < 6; byte++) {
- currByte = mac[byte];
- for (bit = 0; bit < 8; bit++) {
- if ((currByte & 0x01) ^ (crc & 0x01)) {
- crc >>= 1;
- crc = crc ^ 0xedb88320;
- } else {
- crc >>= 1;
- }
- currByte >>= 1;
- }
- }
-
- crc = crc >> 26;
-
- /*
- * Set individual hash table register
- */
- if (crc >= 32) {
- fec->eth->iaddr1 = (1 << (crc - 32));
- fec->eth->iaddr2 = 0;
- } else {
- fec->eth->iaddr1 = 0;
- fec->eth->iaddr2 = (1 << crc);
- }
-
- /*
- * Set physical address
- */
- fec->eth->paddr1 =
- (mac[0] << 24) + (mac[1] << 16) + (mac[2] << 8) + mac[3];
- fec->eth->paddr2 = (mac[4] << 24) + (mac[5] << 16) + 0x8808;
-}
-
-/********************************************************************/
-static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis)
-{
- mpc8220_fec_priv *fec = (mpc8220_fec_priv *) dev->priv;
- struct mpc8220_dma *dma = (struct mpc8220_dma *) MMAP_DMA;
- const u8 phyAddr = CONFIG_PHY_ADDR; /* Only one PHY */
-
-#ifdef DEBUG
- printf ("mpc8220_fec_init... Begin\n");
-#endif
-
- /*
- * Initialize RxBD/TxBD rings
- */
- mpc8220_fec_rbd_init (fec);
- mpc8220_fec_tbd_init (fec);
-
- /*
- * Set up Pin Muxing for FEC 1
- */
- *(vu_long *) MMAP_PCFG = 0;
- *(vu_long *) (MMAP_PCFG + 4) = 0;
- /*
- * Clear FEC-Lite interrupt event register(IEVENT)
- */
- fec->eth->ievent = 0xffffffff;
-
- /*
- * Set interrupt mask register
- */
- fec->eth->imask = 0x00000000;
-
- /*
- * Set FEC-Lite receive control register(R_CNTRL):
- */
- if (fec->xcv_type == SEVENWIRE) {
- /*
- * Frame length=1518; 7-wire mode
- */
- fec->eth->r_cntrl = 0x05ee0020; /*0x05ee0000;FIXME */
- } else {
- /*
- * Frame length=1518; MII mode;
- */
- fec->eth->r_cntrl = 0x05ee0024; /*0x05ee0004;FIXME */
- }
-
- fec->eth->x_cntrl = 0x00000000; /* half-duplex, heartbeat disabled */
- if (fec->xcv_type != SEVENWIRE) {
- /*
- * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
- * and do not drop the Preamble.
- */
- /* tbd - rtm */
- /*fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); */
- /* No MII for 7-wire mode */
- fec->eth->mii_speed = 0x00000030;
- }
-
- /*
- * Set Opcode/Pause Duration Register
- */
- fec->eth->op_pause = 0x00010020; /*FIXME0xffff0020; */
-
- /*
- * Set Rx FIFO alarm and granularity value
- */
- fec->eth->rfifo_cntrl = 0x0c000000;
- fec->eth->rfifo_alarm = 0x0000030c;
-#ifdef DEBUG
- if (fec->eth->rfifo_status & 0x00700000) {
- printf ("mpc8220_fec_init() RFIFO error\n");
- }
-#endif
-
- /*
- * Set Tx FIFO granularity value
- */
- /*fec->eth->tfifo_cntrl = 0x0c000000; */ /*tbd - rtm */
- fec->eth->tfifo_cntrl = 0x0e000000;
-#ifdef DEBUG
- printf ("tfifo_status: 0x%08x\n", fec->eth->tfifo_status);
- printf ("tfifo_alarm: 0x%08x\n", fec->eth->tfifo_alarm);
-#endif
-
- /*
- * Set transmit fifo watermark register(X_WMRK), default = 64
- */
- fec->eth->tfifo_alarm = 0x00000080;
- fec->eth->x_wmrk = 0x2;
-
- /*
- * Set individual address filter for unicast address
- * and set physical address registers.
- */
- mpc8220_fec_set_hwaddr (fec, (char *)(dev->enetaddr));
-
- /*
- * Set multicast address filter
- */
- fec->eth->gaddr1 = 0x00000000;
- fec->eth->gaddr2 = 0x00000000;
-
- /*
- * Turn ON cheater FSM: ????
- */
- fec->eth->xmit_fsm = 0x03000000;
-
-#if 1
-/*#if defined(CONFIG_MPC5200)*/
- /*
- * Turn off COMM bus prefetch in the MGT5200 BestComm. It doesn't
- * work w/ the current receive task.
- */
- dma->PtdCntrl |= 0x00000001;
-#endif
-
- /*
- * Set priority of different initiators
- */
- dma->IPR0 = 7; /* always */
- dma->IPR3 = 6; /* Eth RX */
- dma->IPR4 = 5; /* Eth Tx */
-
- /*
- * Clear SmartDMA task interrupt pending bits
- */
- DMA_CLEAR_IEVENT (FEC_RECV_TASK_NO);
-
- /*
- * Initialize SmartDMA parameters stored in SRAM
- */
- *(int *) FEC_TBD_BASE = (int) fec->tbdBase;
- *(int *) FEC_RBD_BASE = (int) fec->rbdBase;
- *(int *) FEC_TBD_NEXT = (int) fec->tbdBase;
- *(int *) FEC_RBD_NEXT = (int) fec->rbdBase;
-
- if (fec->xcv_type != SEVENWIRE) {
- /*
- * Initialize PHY(LXT971A):
- *
- * Generally, on power up, the LXT971A reads its configuration
- * pins to check for forced operation, If not cofigured for
- * forced operation, it uses auto-negotiation/parallel detection
- * to automatically determine line operating conditions.
- * If the PHY device on the other side of the link supports
- * auto-negotiation, the LXT971A auto-negotiates with it
- * using Fast Link Pulse(FLP) Bursts. If the PHY partner does not
- * support auto-negotiation, the LXT971A automatically detects
- * the presence of either link pulses(10Mbps PHY) or Idle
- * symbols(100Mbps) and sets its operating conditions accordingly.
- *
- * When auto-negotiation is controlled by software, the following
- * steps are recommended.
- *
- * Note:
- * The physical address is dependent on hardware configuration.
- *
- */
- int timeout = 1;
- u16 phyStatus;
-
- /*
- * Reset PHY, then delay 300ns
- */
- miiphy_write (dev->name, phyAddr, 0x0, 0x8000);
- udelay (1000);
-
- if (fec->xcv_type == MII10) {
- /*
- * Force 10Base-T, FDX operation
- */
-#ifdef DEBUG
- printf ("Forcing 10 Mbps ethernet link... ");
-#endif
- miiphy_read (dev->name, phyAddr, 0x1, &phyStatus);
- /*
- miiphy_write(fec, phyAddr, 0x0, 0x0100);
- */
- miiphy_write (dev->name, phyAddr, 0x0, 0x0180);
-
- timeout = 20;
- do { /* wait for link status to go down */
- udelay (10000);
- if ((timeout--) == 0) {
-#ifdef DEBUG
- printf ("hmmm, should not have waited...");
-#endif
- break;
- }
- miiphy_read (dev->name, phyAddr, 0x1, &phyStatus);
-#ifdef DEBUG
- printf ("=");
-#endif
- } while ((phyStatus & 0x0004)); /* !link up */
-
- timeout = 1000;
- do { /* wait for link status to come back up */
- udelay (10000);
- if ((timeout--) == 0) {
- printf ("failed. Link is down.\n");
- break;
- }
- miiphy_read (dev->name, phyAddr, 0x1, &phyStatus);
-#ifdef DEBUG
- printf ("+");
-#endif
- } while (!(phyStatus & 0x0004)); /* !link up */
-
-#ifdef DEBUG
- printf ("done.\n");
-#endif
- } else { /* MII100 */
- /*
- * Set the auto-negotiation advertisement register bits
- */
- miiphy_write (dev->name, phyAddr, 0x4, 0x01e1);
-
- /*
- * Set MDIO bit 0.12 = 1(&& bit 0.9=1?) to enable auto-negotiation
- */
- miiphy_write (dev->name, phyAddr, 0x0, 0x1200);
-
- /*
- * Wait for AN completion
- */
- timeout = 5000;
- do {
- udelay (1000);
-
- if ((timeout--) == 0) {
-#ifdef DEBUG
- printf ("PHY auto neg 0 failed...\n");
-#endif
- return -1;
- }
-
- if (miiphy_read (dev->name, phyAddr, 0x1, &phyStatus) !=
- 0) {
-#ifdef DEBUG
- printf ("PHY auto neg 1 failed 0x%04x...\n", phyStatus);
-#endif
- return -1;
- }
- } while (!(phyStatus & 0x0004));
-
-#ifdef DEBUG
- printf ("PHY auto neg complete! \n");
-#endif
- }
-
- }
-
- /*
- * Enable FEC-Lite controller
- */
- fec->eth->ecntrl |= 0x00000006;
-
-#ifdef DEBUG
- if (fec->xcv_type != SEVENWIRE)
- mpc8220_fec_phydump (dev->name);
-#endif
-
- /*
- * Enable SmartDMA receive task
- */
- DMA_TASK_ENABLE (FEC_RECV_TASK_NO);
-
-#ifdef DEBUG
- printf ("mpc8220_fec_init... Done \n");
-#endif
-
- return 1;
-}
-
-/********************************************************************/
-static void mpc8220_fec_halt (struct eth_device *dev)
-{
- mpc8220_fec_priv *fec = (mpc8220_fec_priv *) dev->priv;
- int counter = 0xffff;
-
-#ifdef DEBUG
- if (fec->xcv_type != SEVENWIRE)
- mpc8220_fec_phydump (dev->name);
-#endif
-
- /*
- * mask FEC chip interrupts
- */
- fec->eth->imask = 0;
-
- /*
- * issue graceful stop command to the FEC transmitter if necessary
- */
- fec->eth->x_cntrl |= 0x00000001;
-
- /*
- * wait for graceful stop to register
- */
- while ((counter--) && (!(fec->eth->ievent & 0x10000000)));
-
- /*
- * Disable SmartDMA tasks
- */
- DMA_TASK_DISABLE (FEC_XMIT_TASK_NO);
- DMA_TASK_DISABLE (FEC_RECV_TASK_NO);
-
- /*
- * Disable the Ethernet Controller
- */
- fec->eth->ecntrl &= 0xfffffffd;
-
- /*
- * Clear FIFO status registers
- */
- fec->eth->rfifo_status &= 0x00700000;
- fec->eth->tfifo_status &= 0x00700000;
-
- fec->eth->reset_cntrl = 0x01000000;
-
- /*
- * Issue a reset command to the FEC chip
- */
- fec->eth->ecntrl |= 0x1;
-
- /*
- * wait at least 16 clock cycles
- */
- udelay (10);
-
-#ifdef DEBUG
- printf ("Ethernet task stopped\n");
-#endif
-}
-
-#ifdef DEBUG
-/********************************************************************/
-
-static void tfifo_print (char *devname, mpc8220_fec_priv * fec)
-{
- u16 phyAddr = CONFIG_PHY_ADDR;
- u16 phyStatus;
-
- if ((fec->eth->tfifo_lrf_ptr != fec->eth->tfifo_lwf_ptr)
- || (fec->eth->tfifo_rdptr != fec->eth->tfifo_wrptr)) {
-
- miiphy_read (devname, phyAddr, 0x1, &phyStatus);
- printf ("\nphyStatus: 0x%04x\n", phyStatus);
- printf ("ecntrl: 0x%08x\n", fec->eth->ecntrl);
- printf ("ievent: 0x%08x\n", fec->eth->ievent);
- printf ("x_status: 0x%08x\n", fec->eth->x_status);
- printf ("tfifo: status 0x%08x\n", fec->eth->tfifo_status);
-
- printf (" control 0x%08x\n", fec->eth->tfifo_cntrl);
- printf (" lrfp 0x%08x\n", fec->eth->tfifo_lrf_ptr);
- printf (" lwfp 0x%08x\n", fec->eth->tfifo_lwf_ptr);
- printf (" alarm 0x%08x\n", fec->eth->tfifo_alarm);
- printf (" readptr 0x%08x\n", fec->eth->tfifo_rdptr);
- printf (" writptr 0x%08x\n", fec->eth->tfifo_wrptr);
- }
-}
-
-static void rfifo_print (char *devname, mpc8220_fec_priv * fec)
-{
- u16 phyAddr = CONFIG_PHY_ADDR;
- u16 phyStatus;
-
- if ((fec->eth->rfifo_lrf_ptr != fec->eth->rfifo_lwf_ptr)
- || (fec->eth->rfifo_rdptr != fec->eth->rfifo_wrptr)) {
-
- miiphy_read (devname, phyAddr, 0x1, &phyStatus);
- printf ("\nphyStatus: 0x%04x\n", phyStatus);
- printf ("ecntrl: 0x%08x\n", fec->eth->ecntrl);
- printf ("ievent: 0x%08x\n", fec->eth->ievent);
- printf ("x_status: 0x%08x\n", fec->eth->x_status);
- printf ("rfifo: status 0x%08x\n", fec->eth->rfifo_status);
-
- printf (" control 0x%08x\n", fec->eth->rfifo_cntrl);
- printf (" lrfp 0x%08x\n", fec->eth->rfifo_lrf_ptr);
- printf (" lwfp 0x%08x\n", fec->eth->rfifo_lwf_ptr);
- printf (" alarm 0x%08x\n", fec->eth->rfifo_alarm);
- printf (" readptr 0x%08x\n", fec->eth->rfifo_rdptr);
- printf (" writptr 0x%08x\n", fec->eth->rfifo_wrptr);
- }
-}
-#endif /* DEBUG */
-
-/********************************************************************/
-
-static int mpc8220_fec_send (struct eth_device *dev, volatile void *eth_data,
- int data_length)
-{
- /*
- * This routine transmits one frame. This routine only accepts
- * 6-byte Ethernet addresses.
- */
- mpc8220_fec_priv *fec = (mpc8220_fec_priv *) dev->priv;
- FEC_TBD *pTbd;
-
-#ifdef DEBUG
- printf ("tbd status: 0x%04x\n", fec->tbdBase[0].status);
- tfifo_print (dev->name, fec);
-#endif
-
- /*
- * Clear Tx BD ring at first
- */
- mpc8220_fec_tbd_scrub (fec);
-
- /*
- * Check for valid length of data.
- */
- if ((data_length > 1500) || (data_length <= 0)) {
- return -1;
- }
-
- /*
- * Check the number of vacant TxBDs.
- */
- if (fec->cleanTbdNum < 1) {
-#ifdef DEBUG
- printf ("No available TxBDs ...\n");
-#endif
- return -1;
- }
-
- /*
- * Get the first TxBD to send the mac header
- */
- pTbd = &fec->tbdBase[fec->tbdIndex];
- pTbd->dataLength = data_length;
- pTbd->dataPointer = (u32) eth_data;
- pTbd->status |= FEC_TBD_LAST | FEC_TBD_TC | FEC_TBD_READY;
- fec->tbdIndex = (fec->tbdIndex + 1) % FEC_TBD_NUM;
-
-#ifdef DEBUG
- printf ("DMA_TASK_ENABLE, fec->tbdIndex = %d \n", fec->tbdIndex);
-#endif
-
- /*
- * Kick the MII i/f
- */
- if (fec->xcv_type != SEVENWIRE) {
- u16 phyStatus;
-
- miiphy_read (dev->name, 0, 0x1, &phyStatus);
- }
-
- /*
- * Enable SmartDMA transmit task
- */
-
-#ifdef DEBUG
- tfifo_print (dev->name, fec);
-#endif
-
- DMA_TASK_ENABLE (FEC_XMIT_TASK_NO);
-
-#ifdef DEBUG
- tfifo_print (dev->name, fec);
-#endif
-
-#ifdef DEBUG
- printf ("+");
-#endif
-
- fec->cleanTbdNum -= 1;
-
-#ifdef DEBUG
- printf ("smartDMA ethernet Tx task enabled\n");
-#endif
- /*
- * wait until frame is sent .
- */
- while (pTbd->status & FEC_TBD_READY) {
- udelay (10);
-#ifdef DEBUG
- printf ("TDB status = %04x\n", pTbd->status);
-#endif
- }
-
- return 0;
-}
-
-
-/********************************************************************/
-static int mpc8220_fec_recv (struct eth_device *dev)
-{
- /*
- * This command pulls one frame from the card
- */
- mpc8220_fec_priv *fec = (mpc8220_fec_priv *) dev->priv;
- FEC_RBD *pRbd = &fec->rbdBase[fec->rbdIndex];
- unsigned long ievent;
- int frame_length, len = 0;
- NBUF *frame;
-
-#ifdef DEBUG
- printf ("mpc8220_fec_recv %d Start...\n", fec->rbdIndex);
- printf ("-");
-#endif
-
- /*
- * Check if any critical events have happened
- */
- ievent = fec->eth->ievent;
- fec->eth->ievent = ievent;
- if (ievent & 0x20060000) {
- /* BABT, Rx/Tx FIFO errors */
- mpc8220_fec_halt (dev);
- mpc8220_fec_init (dev, NULL);
- return 0;
- }
- if (ievent & 0x80000000) {
- /* Heartbeat error */
- fec->eth->x_cntrl |= 0x00000001;
- }
- if (ievent & 0x10000000) {
- /* Graceful stop complete */
- if (fec->eth->x_cntrl & 0x00000001) {
- mpc8220_fec_halt (dev);
- fec->eth->x_cntrl &= ~0x00000001;
- mpc8220_fec_init (dev, NULL);
- }
- }
-
- if (!(pRbd->status & FEC_RBD_EMPTY)) {
- if ((pRbd->status & FEC_RBD_LAST)
- && !(pRbd->status & FEC_RBD_ERR)
- && ((pRbd->dataLength - 4) > 14)) {
-
- /*
- * Get buffer address and size
- */
- frame = (NBUF *) pRbd->dataPointer;
- frame_length = pRbd->dataLength - 4;
-
-#if (0)
- {
- int i;
-
- printf ("recv data hdr:");
- for (i = 0; i < 14; i++)
- printf ("%x ", *(frame->head + i));
- printf ("\n");
- }
-#endif
- /*
- * Fill the buffer and pass it to upper layers
- */
-/* memcpy(buff, frame->head, 14);
- memcpy(buff + 14, frame->data, frame_length);*/
- NetReceive ((volatile uchar *) pRbd->dataPointer,
- frame_length);
- len = frame_length;
- }
- /*
- * Reset buffer descriptor as empty
- */
- mpc8220_fec_rbd_clean (fec, pRbd);
- }
- DMA_CLEAR_IEVENT (FEC_RECV_TASK_NO);
- return len;
-}
-
-
-/********************************************************************/
-int mpc8220_fec_initialize (bd_t * bis)
-{
- mpc8220_fec_priv *fec;
-
-#ifdef CONFIG_HAS_ETH1
- mpc8220_fec_priv *fec2;
-#endif
- struct eth_device *dev;
- char *tmp, *end;
- char env_enetaddr[6];
-
-#ifdef CONFIG_HAS_ETH1
- char env_enet1addr[6];
-#endif
- int i;
-
- fec = (mpc8220_fec_priv *) malloc (sizeof (*fec));
- dev = (struct eth_device *) malloc (sizeof (*dev));
- memset (dev, 0, sizeof *dev);
-
- fec->eth = (ethernet_regs *) MMAP_FEC1;
-#ifdef CONFIG_HAS_ETH1
- fec2 = (mpc8220_fec_priv *) malloc (sizeof (*fec));
- fec2->eth = (ethernet_regs *) MMAP_FEC2;
-#endif
- fec->tbdBase = (FEC_TBD *) FEC_BD_BASE;
- fec->rbdBase =
- (FEC_RBD *) (FEC_BD_BASE + FEC_TBD_NUM * sizeof (FEC_TBD));
- fec->xcv_type = MII100;
-
- dev->priv = (void *) fec;
- dev->iobase = MMAP_FEC1;
- dev->init = mpc8220_fec_init;
- dev->halt = mpc8220_fec_halt;
- dev->send = mpc8220_fec_send;
- dev->recv = mpc8220_fec_recv;
-
- sprintf (dev->name, "FEC ETHERNET");
- eth_register (dev);
-
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
- miiphy_register (dev->name,
- fec8220_miiphy_read, fec8220_miiphy_write);
-#endif
-
- /*
- * Try to set the mac address now. The fec mac address is
- * a garbage after reset. When not using fec for booting
- * the Linux fec driver will try to work with this garbage.
- */
- tmp = getenv ("ethaddr");
- if (tmp) {
- for (i = 0; i < 6; i++) {
- env_enetaddr[i] =
- tmp ? simple_strtoul (tmp, &end, 16) : 0;
- if (tmp)
- tmp = (*end) ? end + 1 : end;
- }
- mpc8220_fec_set_hwaddr (fec, env_enetaddr);
- }
-#ifdef CONFIG_HAS_ETH1
- tmp = getenv ("eth1addr");
- if (tmp) {
- for (i = 0; i < 6; i++) {
- env_enet1addr[i] =
- tmp ? simple_strtoul (tmp, &end, 16) : 0;
- if (tmp)
- tmp = (*end) ? end + 1 : end;
- }
- mpc8220_fec_set_hwaddr (fec2, env_enet1addr);
- }
-#endif
-
- return 1;
-}
-
-/* MII-interface related functions */
-/********************************************************************/
-int fec8220_miiphy_read (char *devname, u8 phyAddr, u8 regAddr, u16 * retVal)
-{
- ethernet_regs *eth = (ethernet_regs *) MMAP_FEC1;
- u32 reg; /* convenient holder for the PHY register */
- u32 phy; /* convenient holder for the PHY */
- int timeout = 0xffff;
-
- /*
- * reading from any PHY's register is done by properly
- * programming the FEC's MII data register.
- */
- reg = regAddr << FEC_MII_DATA_RA_SHIFT;
- phy = phyAddr << FEC_MII_DATA_PA_SHIFT;
-
- eth->mii_data =
- (FEC_MII_DATA_ST | FEC_MII_DATA_OP_RD | FEC_MII_DATA_TA | phy
- | reg);
-
- /*
- * wait for the related interrupt
- */
- while ((timeout--) && (!(eth->ievent & 0x00800000)));
-
- if (timeout == 0) {
-#ifdef DEBUG
- printf ("Read MDIO failed...\n");
-#endif
- return -1;
- }
-
- /*
- * clear mii interrupt bit
- */
- eth->ievent = 0x00800000;
-
- /*
- * it's now safe to read the PHY's register
- */
- *retVal = (u16) eth->mii_data;
-
- return 0;
-}
-
-/********************************************************************/
-int fec8220_miiphy_write (char *devname, u8 phyAddr, u8 regAddr, u16 data)
-{
- ethernet_regs *eth = (ethernet_regs *) MMAP_FEC1;
- u32 reg; /* convenient holder for the PHY register */
- u32 phy; /* convenient holder for the PHY */
- int timeout = 0xffff;
-
- reg = regAddr << FEC_MII_DATA_RA_SHIFT;
- phy = phyAddr << FEC_MII_DATA_PA_SHIFT;
-
- eth->mii_data = (FEC_MII_DATA_ST | FEC_MII_DATA_OP_WR |
- FEC_MII_DATA_TA | phy | reg | data);
-
- /*
- * wait for the MII interrupt
- */
- while ((timeout--) && (!(eth->ievent & 0x00800000)));
-
- if (timeout == 0) {
-#ifdef DEBUG
- printf ("Write MDIO failed...\n");
-#endif
- return -1;
- }
-
- /*
- * clear MII interrupt bit
- */
- eth->ievent = 0x00800000;
-
- return 0;
-}
-
-#ifdef DEBUG
-static u32 local_crc32 (char *string, unsigned int crc_value, int len)
-{
- int i;
- char c;
- unsigned int crc, count;
-
- /*
- * crc32 algorithm
- */
- /*
- * crc = 0xffffffff; * The initialized value should be 0xffffffff
- */
- crc = crc_value;
-
- for (i = len; --i >= 0;) {
- c = *string++;
- for (count = 0; count < 8; count++) {
- if ((c & 0x01) ^ (crc & 0x01)) {
- crc >>= 1;
- crc = crc ^ 0xedb88320;
- } else {
- crc >>= 1;
- }
- c >>= 1;
- }
- }
-
- /*
- * In big endian system, do byte swaping for crc value
- */
- return crc;
-}
-#endif /* DEBUG */
-
-#endif /* CONFIG_MPC8220_FEC */
diff --git a/cpu/mpc8220/fec.h b/cpu/mpc8220/fec.h
deleted file mode 100644
index a8927fc..0000000
--- a/cpu/mpc8220/fec.h
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * (C) Copyright 2003-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * This file is based on mpc4200fec.h
- * (C) Copyright Motorola, Inc., 2000
- *
- * odin ethernet header file
- */
-
-#ifndef __MPC8220_FEC_H
-#define __MPC8220_FEC_H
-
-#include <common.h>
-#include <mpc8220.h>
-#include "dma.h"
-
-typedef struct ethernet_register_set {
-
-/* [10:2]addr = 00 */
-
-/* Control and status Registers (offset 000-1FF) */
-
- volatile u32 fec_id; /* MBAR_ETH + 0x000 */
- volatile u32 ievent; /* MBAR_ETH + 0x004 */
- volatile u32 imask; /* MBAR_ETH + 0x008 */
-
- volatile u32 RES0[1]; /* MBAR_ETH + 0x00C */
- volatile u32 r_des_active; /* MBAR_ETH + 0x010 */
- volatile u32 x_des_active; /* MBAR_ETH + 0x014 */
- volatile u32 r_des_active_cl; /* MBAR_ETH + 0x018 */
- volatile u32 x_des_active_cl; /* MBAR_ETH + 0x01C */
- volatile u32 ivent_set; /* MBAR_ETH + 0x020 */
- volatile u32 ecntrl; /* MBAR_ETH + 0x024 */
-
- volatile u32 RES1[6]; /* MBAR_ETH + 0x028-03C */
- volatile u32 mii_data; /* MBAR_ETH + 0x040 */
- volatile u32 mii_speed; /* MBAR_ETH + 0x044 */
- volatile u32 mii_status; /* MBAR_ETH + 0x048 */
-
- volatile u32 RES2[5]; /* MBAR_ETH + 0x04C-05C */
- volatile u32 mib_data; /* MBAR_ETH + 0x060 */
- volatile u32 mib_control; /* MBAR_ETH + 0x064 */
-
- volatile u32 RES3[6]; /* MBAR_ETH + 0x068-7C */
- volatile u32 r_activate; /* MBAR_ETH + 0x080 */
- volatile u32 r_cntrl; /* MBAR_ETH + 0x084 */
- volatile u32 r_hash; /* MBAR_ETH + 0x088 */
- volatile u32 r_data; /* MBAR_ETH + 0x08C */
- volatile u32 ar_done; /* MBAR_ETH + 0x090 */
- volatile u32 r_test; /* MBAR_ETH + 0x094 */
- volatile u32 r_mib; /* MBAR_ETH + 0x098 */
- volatile u32 r_da_low; /* MBAR_ETH + 0x09C */
- volatile u32 r_da_high; /* MBAR_ETH + 0x0A0 */
-
- volatile u32 RES4[7]; /* MBAR_ETH + 0x0A4-0BC */
- volatile u32 x_activate; /* MBAR_ETH + 0x0C0 */
- volatile u32 x_cntrl; /* MBAR_ETH + 0x0C4 */
- volatile u32 backoff; /* MBAR_ETH + 0x0C8 */
- volatile u32 x_data; /* MBAR_ETH + 0x0CC */
- volatile u32 x_status; /* MBAR_ETH + 0x0D0 */
- volatile u32 x_mib; /* MBAR_ETH + 0x0D4 */
- volatile u32 x_test; /* MBAR_ETH + 0x0D8 */
- volatile u32 fdxfc_da1; /* MBAR_ETH + 0x0DC */
- volatile u32 fdxfc_da2; /* MBAR_ETH + 0x0E0 */
- volatile u32 paddr1; /* MBAR_ETH + 0x0E4 */
- volatile u32 paddr2; /* MBAR_ETH + 0x0E8 */
- volatile u32 op_pause; /* MBAR_ETH + 0x0EC */
-
- volatile u32 RES5[4]; /* MBAR_ETH + 0x0F0-0FC */
- volatile u32 instr_reg; /* MBAR_ETH + 0x100 */
- volatile u32 context_reg; /* MBAR_ETH + 0x104 */
- volatile u32 test_cntrl; /* MBAR_ETH + 0x108 */
- volatile u32 acc_reg; /* MBAR_ETH + 0x10C */
- volatile u32 ones; /* MBAR_ETH + 0x110 */
- volatile u32 zeros; /* MBAR_ETH + 0x114 */
- volatile u32 iaddr1; /* MBAR_ETH + 0x118 */
- volatile u32 iaddr2; /* MBAR_ETH + 0x11C */
- volatile u32 gaddr1; /* MBAR_ETH + 0x120 */
- volatile u32 gaddr2; /* MBAR_ETH + 0x124 */
- volatile u32 random; /* MBAR_ETH + 0x128 */
- volatile u32 rand1; /* MBAR_ETH + 0x12C */
- volatile u32 tmp; /* MBAR_ETH + 0x130 */
-
- volatile u32 RES6[3]; /* MBAR_ETH + 0x134-13C */
- volatile u32 fifo_id; /* MBAR_ETH + 0x140 */
- volatile u32 x_wmrk; /* MBAR_ETH + 0x144 */
- volatile u32 fcntrl; /* MBAR_ETH + 0x148 */
- volatile u32 r_bound; /* MBAR_ETH + 0x14C */
- volatile u32 r_fstart; /* MBAR_ETH + 0x150 */
- volatile u32 r_count; /* MBAR_ETH + 0x154 */
- volatile u32 r_lag; /* MBAR_ETH + 0x158 */
- volatile u32 r_read; /* MBAR_ETH + 0x15C */
- volatile u32 r_write; /* MBAR_ETH + 0x160 */
- volatile u32 x_count; /* MBAR_ETH + 0x164 */
- volatile u32 x_lag; /* MBAR_ETH + 0x168 */
- volatile u32 x_retry; /* MBAR_ETH + 0x16C */
- volatile u32 x_write; /* MBAR_ETH + 0x170 */
- volatile u32 x_read; /* MBAR_ETH + 0x174 */
-
- volatile u32 RES7[2]; /* MBAR_ETH + 0x178-17C */
- volatile u32 fm_cntrl; /* MBAR_ETH + 0x180 */
- volatile u32 rfifo_data; /* MBAR_ETH + 0x184 */
- volatile u32 rfifo_status; /* MBAR_ETH + 0x188 */
- volatile u32 rfifo_cntrl; /* MBAR_ETH + 0x18C */
- volatile u32 rfifo_lrf_ptr; /* MBAR_ETH + 0x190 */
- volatile u32 rfifo_lwf_ptr; /* MBAR_ETH + 0x194 */
- volatile u32 rfifo_alarm; /* MBAR_ETH + 0x198 */
- volatile u32 rfifo_rdptr; /* MBAR_ETH + 0x19C */
- volatile u32 rfifo_wrptr; /* MBAR_ETH + 0x1A0 */
- volatile u32 tfifo_data; /* MBAR_ETH + 0x1A4 */
- volatile u32 tfifo_status; /* MBAR_ETH + 0x1A8 */
- volatile u32 tfifo_cntrl; /* MBAR_ETH + 0x1AC */
- volatile u32 tfifo_lrf_ptr; /* MBAR_ETH + 0x1B0 */
- volatile u32 tfifo_lwf_ptr; /* MBAR_ETH + 0x1B4 */
- volatile u32 tfifo_alarm; /* MBAR_ETH + 0x1B8 */
- volatile u32 tfifo_rdptr; /* MBAR_ETH + 0x1BC */
- volatile u32 tfifo_wrptr; /* MBAR_ETH + 0x1C0 */
-
- volatile u32 reset_cntrl; /* MBAR_ETH + 0x1C4 */
- volatile u32 xmit_fsm; /* MBAR_ETH + 0x1C8 */
-
- volatile u32 RES8[3]; /* MBAR_ETH + 0x1CC-1D4 */
- volatile u32 rdes_data0; /* MBAR_ETH + 0x1D8 */
- volatile u32 rdes_data1; /* MBAR_ETH + 0x1DC */
- volatile u32 r_length; /* MBAR_ETH + 0x1E0 */
- volatile u32 x_length; /* MBAR_ETH + 0x1E4 */
- volatile u32 x_addr; /* MBAR_ETH + 0x1E8 */
- volatile u32 cdes_data; /* MBAR_ETH + 0x1EC */
- volatile u32 status; /* MBAR_ETH + 0x1F0 */
- volatile u32 dma_control; /* MBAR_ETH + 0x1F4 */
- volatile u32 des_cmnd; /* MBAR_ETH + 0x1F8 */
- volatile u32 data; /* MBAR_ETH + 0x1FC */
-
- /* MIB COUNTERS (Offset 200-2FF) */
-
- volatile u32 rmon_t_drop; /* MBAR_ETH + 0x200 */
- volatile u32 rmon_t_packets; /* MBAR_ETH + 0x204 */
- volatile u32 rmon_t_bc_pkt; /* MBAR_ETH + 0x208 */
- volatile u32 rmon_t_mc_pkt; /* MBAR_ETH + 0x20C */
- volatile u32 rmon_t_crc_align; /* MBAR_ETH + 0x210 */
- volatile u32 rmon_t_undersize; /* MBAR_ETH + 0x214 */
- volatile u32 rmon_t_oversize; /* MBAR_ETH + 0x218 */
- volatile u32 rmon_t_frag; /* MBAR_ETH + 0x21C */
- volatile u32 rmon_t_jab; /* MBAR_ETH + 0x220 */
- volatile u32 rmon_t_col; /* MBAR_ETH + 0x224 */
- volatile u32 rmon_t_p64; /* MBAR_ETH + 0x228 */
- volatile u32 rmon_t_p65to127; /* MBAR_ETH + 0x22C */
- volatile u32 rmon_t_p128to255; /* MBAR_ETH + 0x230 */
- volatile u32 rmon_t_p256to511; /* MBAR_ETH + 0x234 */
- volatile u32 rmon_t_p512to1023; /* MBAR_ETH + 0x238 */
- volatile u32 rmon_t_p1024to2047;/* MBAR_ETH + 0x23C */
- volatile u32 rmon_t_p_gte2048; /* MBAR_ETH + 0x240 */
- volatile u32 rmon_t_octets; /* MBAR_ETH + 0x244 */
- volatile u32 ieee_t_drop; /* MBAR_ETH + 0x248 */
- volatile u32 ieee_t_frame_ok; /* MBAR_ETH + 0x24C */
- volatile u32 ieee_t_1col; /* MBAR_ETH + 0x250 */
- volatile u32 ieee_t_mcol; /* MBAR_ETH + 0x254 */
- volatile u32 ieee_t_def; /* MBAR_ETH + 0x258 */
- volatile u32 ieee_t_lcol; /* MBAR_ETH + 0x25C */
- volatile u32 ieee_t_excol; /* MBAR_ETH + 0x260 */
- volatile u32 ieee_t_macerr; /* MBAR_ETH + 0x264 */
- volatile u32 ieee_t_cserr; /* MBAR_ETH + 0x268 */
- volatile u32 ieee_t_sqe; /* MBAR_ETH + 0x26C */
- volatile u32 t_fdxfc; /* MBAR_ETH + 0x270 */
- volatile u32 ieee_t_octets_ok; /* MBAR_ETH + 0x274 */
-
- volatile u32 RES9[2]; /* MBAR_ETH + 0x278-27C */
- volatile u32 rmon_r_drop; /* MBAR_ETH + 0x280 */
- volatile u32 rmon_r_packets; /* MBAR_ETH + 0x284 */
- volatile u32 rmon_r_bc_pkt; /* MBAR_ETH + 0x288 */
- volatile u32 rmon_r_mc_pkt; /* MBAR_ETH + 0x28C */
- volatile u32 rmon_r_crc_align; /* MBAR_ETH + 0x290 */
- volatile u32 rmon_r_undersize; /* MBAR_ETH + 0x294 */
- volatile u32 rmon_r_oversize; /* MBAR_ETH + 0x298 */
- volatile u32 rmon_r_frag; /* MBAR_ETH + 0x29C */
- volatile u32 rmon_r_jab; /* MBAR_ETH + 0x2A0 */
-
- volatile u32 rmon_r_resvd_0; /* MBAR_ETH + 0x2A4 */
-
- volatile u32 rmon_r_p64; /* MBAR_ETH + 0x2A8 */
- volatile u32 rmon_r_p65to127; /* MBAR_ETH + 0x2AC */
- volatile u32 rmon_r_p128to255; /* MBAR_ETH + 0x2B0 */
- volatile u32 rmon_r_p256to511; /* MBAR_ETH + 0x2B4 */
- volatile u32 rmon_r_p512to1023; /* MBAR_ETH + 0x2B8 */
- volatile u32 rmon_r_p1024to2047;/* MBAR_ETH + 0x2BC */
- volatile u32 rmon_r_p_gte2048; /* MBAR_ETH + 0x2C0 */
- volatile u32 rmon_r_octets; /* MBAR_ETH + 0x2C4 */
- volatile u32 ieee_r_drop; /* MBAR_ETH + 0x2C8 */
- volatile u32 ieee_r_frame_ok; /* MBAR_ETH + 0x2CC */
- volatile u32 ieee_r_crc; /* MBAR_ETH + 0x2D0 */
- volatile u32 ieee_r_align; /* MBAR_ETH + 0x2D4 */
- volatile u32 r_macerr; /* MBAR_ETH + 0x2D8 */
- volatile u32 r_fdxfc; /* MBAR_ETH + 0x2DC */
- volatile u32 ieee_r_octets_ok; /* MBAR_ETH + 0x2E0 */
-
- volatile u32 RES10[6]; /* MBAR_ETH + 0x2E4-2FC */
-
- volatile u32 RES11[64]; /* MBAR_ETH + 0x300-3FF */
-} ethernet_regs;
-
-/* Receive & Transmit Buffer Descriptor definitions */
-typedef struct BufferDescriptor {
- u16 status;
- u16 dataLength;
- u32 dataPointer;
-} FEC_RBD;
-
-typedef struct {
- u16 status;
- u16 dataLength;
- u32 dataPointer;
-} FEC_TBD;
-
-/* private structure */
-typedef enum {
- SEVENWIRE, /* 7-wire */
- MII10, /* MII 10Mbps */
- MII100 /* MII 100Mbps */
-} xceiver_type;
-
-typedef struct {
- ethernet_regs *eth;
- xceiver_type xcv_type; /* transceiver type */
- FEC_RBD *rbdBase; /* RBD ring */
- FEC_TBD *tbdBase; /* TBD ring */
- u16 rbdIndex; /* next receive BD to read */
- u16 tbdIndex; /* next transmit BD to send */
- u16 usedTbdIndex; /* next transmit BD to clean */
- u16 cleanTbdNum; /* the number of available transmit BDs */
-} mpc8220_fec_priv;
-
-/* Ethernet parameter area */
-#define FEC_TBD_BASE (FEC_PARAM_BASE + 0x00)
-#define FEC_TBD_NEXT (FEC_PARAM_BASE + 0x04)
-#define FEC_RBD_BASE (FEC_PARAM_BASE + 0x08)
-#define FEC_RBD_NEXT (FEC_PARAM_BASE + 0x0c)
-
-/* BD Numer definitions */
-#define FEC_TBD_NUM 48 /* The user can adjust this value */
-#define FEC_RBD_NUM 32 /* The user can adjust this value */
-
-/* packet size limit */
-#define FEC_MAX_PKT_SIZE 1536
-
-/* RBD bits definitions */
-#define FEC_RBD_EMPTY 0x8000 /* Buffer is empty */
-#define FEC_RBD_WRAP 0x2000 /* Last BD in ring */
-#define FEC_RBD_INT 0x1000 /* Interrupt */
-#define FEC_RBD_LAST 0x0800 /* Buffer is last in frame(useless) */
-#define FEC_RBD_MISS 0x0100 /* Miss bit for prom mode */
-#define FEC_RBD_BC 0x0080 /* The received frame is broadcast frame */
-#define FEC_RBD_MC 0x0040 /* The received frame is multicast frame */
-#define FEC_RBD_LG 0x0020 /* Frame length violation */
-#define FEC_RBD_NO 0x0010 /* Nonoctet align frame */
-#define FEC_RBD_SH 0x0008 /* Short frame */
-#define FEC_RBD_CR 0x0004 /* CRC error */
-#define FEC_RBD_OV 0x0002 /* Receive FIFO overrun */
-#define FEC_RBD_TR 0x0001 /* Frame is truncated */
-#define FEC_RBD_ERR (FEC_RBD_LG | FEC_RBD_NO | FEC_RBD_CR | \
- FEC_RBD_OV | FEC_RBD_TR)
-
-/* TBD bits definitions */
-#define FEC_TBD_READY 0x8000 /* Buffer is ready */
-#define FEC_TBD_WRAP 0x2000 /* Last BD in ring */
-#define FEC_TBD_INT 0x1000 /* Interrupt */
-#define FEC_TBD_LAST 0x0800 /* Buffer is last in frame */
-#define FEC_TBD_TC 0x0400 /* Transmit the CRC */
-#define FEC_TBD_ABC 0x0200 /* Append bad CRC */
-
-/* MII-related definitios */
-#define FEC_MII_DATA_ST 0x40000000 /* Start of frame delimiter */
-#define FEC_MII_DATA_OP_RD 0x20000000 /* Perform a read operation */
-#define FEC_MII_DATA_OP_WR 0x10000000 /* Perform a write operation */
-#define FEC_MII_DATA_PA_MSK 0x0f800000 /* PHY Address field mask */
-#define FEC_MII_DATA_RA_MSK 0x007c0000 /* PHY Register field mask */
-#define FEC_MII_DATA_TA 0x00020000 /* Turnaround */
-#define FEC_MII_DATA_DATAMSK 0x0000ffff /* PHY data field */
-
-#define FEC_MII_DATA_RA_SHIFT 18 /* MII Register address bits */
-#define FEC_MII_DATA_PA_SHIFT 23 /* MII PHY address bits */
-
-#endif /* __MPC8220_FEC_H */
diff --git a/cpu/mpc8220/fec_dma_tasks.S b/cpu/mpc8220/fec_dma_tasks.S
deleted file mode 100644
index 3f8a03b..0000000
--- a/cpu/mpc8220/fec_dma_tasks.S
+++ /dev/null
@@ -1,363 +0,0 @@
-/*
- * Copyright (C) 2004, Freescale Semiconductor, Inc.
- *
- * This file contains microcode for the FEC controller of the MPC8220.
- */
-
-#include <config.h>
-
-#if defined(CONFIG_MPC8220)
-
-/* sas/sccg, gas target */
-.section smartdmaInitData,"aw",@progbits /* Initialized data for task variables */
-.section smartdmaTaskTable,"aw",@progbits /* Task tables */
-.align 9
-.globl taskTable
-taskTable:
-.globl scEthernetRecv_Entry
-scEthernetRecv_Entry: /* Task 0 */
-.long scEthernetRecv_TDT - taskTable /* Task 0 Descriptor Table */
-.long scEthernetRecv_TDT - taskTable + 0x00000094
-.long scEthernetRecv_VarTab - taskTable /* Task 0 Variable Table */
-.long scEthernetRecv_FDT - taskTable + 0x03 /* Task 0 Function Descriptor Table & Flags */
-.long 0x00000000
-.long 0x00000000
-.long scEthernetRecv_CSave - taskTable /* Task 0 context save space */
-.long 0xf0000000
-.globl scEthernetXmit_Entry
-scEthernetXmit_Entry: /* Task 1 */
-.long scEthernetXmit_TDT - taskTable /* Task 1 Descriptor Table */
-.long scEthernetXmit_TDT - taskTable + 0x000000e0
-.long scEthernetXmit_VarTab - taskTable /* Task 1 Variable Table */
-.long scEthernetXmit_FDT - taskTable + 0x03 /* Task 1 Function Descriptor Table & Flags */
-.long 0x00000000
-.long 0x00000000
-.long scEthernetXmit_CSave - taskTable /* Task 1 context save space */
-.long 0xf0000000
-
-
-.globl scEthernetRecv_TDT
-scEthernetRecv_TDT: /* Task 0 Descriptor Table */
-.long 0xc4c50000 /* 0000(153): LCDEXT: idx0 = var9 + var10; idx0 once var0; idx0 += inc0 */
-.long 0x84c5e000 /* 0004(153): LCD: idx1 = var9 + var11; ; idx1 += inc0 */
-.long 0x10001f08 /* 0008(156): DRD1A: var7 = idx1; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x10000380 /* 000C(157): DRD1A: var0 = *idx0; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x00000f88 /* 0010(158): DRD1A: var3 = *idx1; FN=0 init=0 WS=0 RS=0 */
-.long 0x81980000 /* 0014(162): LCD: idx0 = var3; idx0 once var0; idx0 += inc0 */
-.long 0x10000780 /* 0018(164): DRD1A: var1 = *idx0; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x60000000 /* 001C(165): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */
-.long 0x010cf04c /* 0020(165): DRD2B1: var4 = EU3(); EU3(var1,var12) */
-.long 0x82180349 /* 0024(169): LCD: idx0 = var4; idx0 != var13; idx0 += inc1 */
-.long 0x81c68004 /* 0028(172): LCD: idx1 = var3 + var13 + 4; idx1 once var0; idx1 += inc0 */
-.long 0x70000000 /* 002C(174): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */
-.long 0x018cf04e /* 0030(174): DRD2B1: var6 = EU3(); EU3(var1,var14) */
-.long 0x70000000 /* 0034(175): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */
-.long 0x020cf04f /* 0038(175): DRD2B1: var8 = EU3(); EU3(var1,var15) */
-.long 0x00000b88 /* 003C(176): DRD1A: var2 = *idx1; FN=0 init=0 WS=0 RS=0 */
-.long 0x80025184 /* 0040(205): LCDEXT: idx1 = 0xf0009184; ; */
-.long 0x86810412 /* 0044(205): LCD: idx2 = var13, idx3 = var2; idx2 < var16; idx2 += inc2, idx3 += inc2 */
-.long 0x0200cf88 /* 0048(209): DRD1A: *idx3 = *idx1; FN=0 init=16 WS=0 RS=0 */
-.long 0x80025184 /* 004C(217): LCDEXT: idx1 = 0xf0009184; ; */
-.long 0x8681845b /* 0050(217): LCD: idx2 = var13, idx3 = var3; idx2 < var17; idx2 += inc3, idx3 += inc3 */
-.long 0x0000cf88 /* 0054(221): DRD1A: *idx3 = *idx1; FN=0 init=0 WS=0 RS=0 */
-.long 0xc31883a4 /* 0058(225): LCDEXT: idx1 = var6; idx1 == var14; idx1 += inc4 */
-.long 0x80190000 /* 005C(225): LCD: idx2 = var0; idx2 once var0; idx2 += inc0 */
-.long 0x04008468 /* 0060(227): DRD1A: idx1 = var13; FN=0 INT init=0 WS=0 RS=0 */
-.long 0xc4038360 /* 0064(232): LCDEXT: idx1 = var8, idx2 = var7; idx1 == var13; idx1 += inc4, idx2 += inc0 */
-.long 0x81c50000 /* 0068(233): LCD: idx3 = var3 + var10; idx3 once var0; idx3 += inc0 */
-.long 0x1000cb18 /* 006C(235): DRD1A: *idx2 = idx3; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x00000f18 /* 0070(236): DRD1A: var3 = idx3; FN=0 init=0 WS=0 RS=0 */
-.long 0xc418836d /* 0074(238): LCDEXT: idx1 = var8; idx1 > var13; idx1 += inc5 */
-.long 0x83990000 /* 0078(238): LCD: idx2 = var7; idx2 once var0; idx2 += inc0 */
-.long 0x10000c00 /* 007C(240): DRD1A: var3 = var0; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x0000c800 /* 0080(241): DRD1A: *idx2 = var0; FN=0 init=0 WS=0 RS=0 */
-.long 0x81988000 /* 0084(245): LCD: idx1 = var3; idx1 once var0; idx1 += inc0 */
-.long 0x10000788 /* 0088(247): DRD1A: var1 = *idx1; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x60000000 /* 008C(248): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */
-.long 0x080cf04c /* 0090(248): DRD2B1: idx0 = EU3(); EU3(var1,var12) */
-.long 0x000001f8 /* 0094(:0): NOP */
-
-
-.globl scEthernetXmit_TDT
-scEthernetXmit_TDT: /* Task 1 Descriptor Table */
-.long 0x80095b00 /* 0000(280): LCDEXT: idx0 = 0xf0025b00; ; */
-.long 0x85c60004 /* 0004(280): LCD: idx1 = var11 + var12 + 4; idx1 once var0; idx1 += inc0 */
-.long 0x10002308 /* 0008(283): DRD1A: var8 = idx1; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x10000f88 /* 000C(284): DRD1A: var3 = *idx1; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x00000380 /* 0010(285): DRD1A: var0 = *idx0; FN=0 init=0 WS=0 RS=0 */
-.long 0x81980000 /* 0014(288): LCD: idx0 = var3; idx0 once var0; idx0 += inc0 */
-.long 0x10000780 /* 0018(290): DRD1A: var1 = *idx0; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x60000000 /* 001C(291): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */
-.long 0x024cf04d /* 0020(291): DRD2B1: var9 = EU3(); EU3(var1,var13) */
-.long 0x84980309 /* 0024(294): LCD: idx0 = var9; idx0 != var12; idx0 += inc1 */
-.long 0xc0004003 /* 0028(297): LCDEXT: idx1 = 0x00000003; ; */
-.long 0x81c60004 /* 002C(297): LCD: idx2 = var3 + var12 + 4; idx2 once var0; idx2 += inc0 */
-.long 0x70000000 /* 0030(299): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */
-.long 0x010cf04e /* 0034(299): DRD2B1: var4 = EU3(); EU3(var1,var14) */
-.long 0x70000000 /* 0038(300): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */
-.long 0x014cf04f /* 003C(300): DRD2B1: var5 = EU3(); EU3(var1,var15) */
-.long 0x70000000 /* 0040(301): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */
-.long 0x028cf050 /* 0044(301): DRD2B1: var10 = EU3(); EU3(var1,var16) */
-.long 0x70000000 /* 0048(302): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */
-.long 0x018cf051 /* 004C(302): DRD2B1: var6 = EU3(); EU3(var1,var17) */
-.long 0x10000b90 /* 0050(303): DRD1A: var2 = *idx2; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x60000000 /* 0054(304): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */
-.long 0x01ccf0a1 /* 0058(304): DRD2B1: var7 = EU3(); EU3(var2,idx1) */
-.long 0xc2988312 /* 005C(308): LCDEXT: idx1 = var5; idx1 > var12; idx1 += inc2 */
-.long 0x83490000 /* 0060(308): LCD: idx2 = var6 + var18; idx2 once var0; idx2 += inc0 */
-.long 0x00001b10 /* 0064(310): DRD1A: var6 = idx2; FN=0 init=0 WS=0 RS=0 */
-.long 0x800251a4 /* 0068(315): LCDEXT: idx1 = 0xf00091a4; ; */
-.long 0xc30104dc /* 006C(315): LCDEXT: idx2 = var6, idx3 = var2; idx2 >= var19; idx2 += inc3, idx3 += inc4 */
-.long 0x839a032d /* 0070(316): LCD: idx4 = var7; idx4 == var12; idx4 += inc5 */
-.long 0x0220c798 /* 0074(321): DRD1A: *idx1 = *idx3; FN=0 init=17 WS=0 RS=0 */
-.long 0x800251a4 /* 0078(329): LCDEXT: idx1 = 0xf00091a4; ; */
-.long 0x99198337 /* 007C(329): LCD: idx2 = idx2, idx3 = idx3; idx2 > var12; idx2 += inc6, idx3 += inc7 */
-.long 0x022ac798 /* 0080(333): DRD1A: *idx1 = *idx3; FN=0 init=17 WS=1 RS=1 */
-.long 0x800251a4 /* 0084(350): LCDEXT: idx1 = 0xf00091a4; ; */
-.long 0xc1430000 /* 0088(350): LCDEXT: idx2 = var2 + var6; idx2 once var0; idx2 += inc0 */
-.long 0x82998312 /* 008C(351): LCD: idx3 = var5; idx3 > var12; idx3 += inc2 */
-.long 0x0a2ac790 /* 0090(354): DRD1A: *idx1 = *idx2; FN=0 TFD init=17 WS=1 RS=1 */
-.long 0x81988000 /* 0094(359): LCD: idx1 = var3; idx1 once var0; idx1 += inc0 */
-.long 0x60000002 /* 0098(361): DRD2A: EU0=0 EU1=0 EU2=0 EU3=2 EXT init=0 WS=0 RS=0 */
-.long 0x0c4cfc4d /* 009C(361): DRD2B1: *idx1 = EU3(); EU3(*idx1,var13) */
-.long 0xc21883ad /* 00A0(365): LCDEXT: idx1 = var4; idx1 == var14; idx1 += inc5 */
-.long 0x80190000 /* 00A4(365): LCD: idx2 = var0; idx2 once var0; idx2 += inc0 */
-.long 0x04008460 /* 00A8(367): DRD1A: idx1 = var12; FN=0 INT init=0 WS=0 RS=0 */
-.long 0xc4052305 /* 00AC(371): LCDEXT: idx1 = var8, idx2 = var10; idx2 == var12; idx1 += inc0, idx2 += inc5 */
-.long 0x81ca0000 /* 00B0(372): LCD: idx3 = var3 + var20; idx3 once var0; idx3 += inc0 */
-.long 0x1000c718 /* 00B4(374): DRD1A: *idx1 = idx3; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x00000f18 /* 00B8(375): DRD1A: var3 = idx3; FN=0 init=0 WS=0 RS=0 */
-.long 0xc4188000 /* 00BC(378): LCDEXT: idx1 = var8; idx1 once var0; idx1 += inc0 */
-.long 0x85190312 /* 00C0(378): LCD: idx2 = var10; idx2 > var12; idx2 += inc2 */
-.long 0x10000c00 /* 00C4(380): DRD1A: var3 = var0; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x1000c400 /* 00C8(381): DRD1A: *idx1 = var0; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x00008860 /* 00CC(382): DRD1A: idx2 = var12; FN=0 init=0 WS=0 RS=0 */
-.long 0x81988000 /* 00D0(386): LCD: idx1 = var3; idx1 once var0; idx1 += inc0 */
-.long 0x10000788 /* 00D4(388): DRD1A: var1 = *idx1; FN=0 MORE init=0 WS=0 RS=0 */
-.long 0x60000000 /* 00D8(389): DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */
-.long 0x080cf04d /* 00DC(389): DRD2B1: idx0 = EU3(); EU3(var1,var13) */
-.long 0x000001f8 /* 00E0(:0): NOP */
-
-.align 8
-
-.globl scEthernetRecv_VarTab
-scEthernetRecv_VarTab: /* Task 0 Variable Table */
-.long 0x00000000 /* var[0] */
-.long 0x00000000 /* var[1] */
-.long 0x00000000 /* var[2] */
-.long 0x00000000 /* var[3] */
-.long 0x00000000 /* var[4] */
-.long 0x00000000 /* var[5] */
-.long 0x00000000 /* var[6] */
-.long 0x00000000 /* var[7] */
-.long 0x00000000 /* var[8] */
-.long 0xf0025b00 /* var[9] */
-.long 0x00000008 /* var[10] */
-.long 0x0000000c /* var[11] */
-.long 0x80000000 /* var[12] */
-.long 0x00000000 /* var[13] */
-.long 0x10000000 /* var[14] */
-.long 0x20000000 /* var[15] */
-.long 0x00000800 /* var[16] */
-.long 0x00000001 /* var[17] */
-.long 0x00000000 /* var[18] */
-.long 0x00000000 /* var[19] */
-.long 0x00000000 /* var[20] */
-.long 0x00000000 /* var[21] */
-.long 0x00000000 /* var[22] */
-.long 0x00000000 /* var[23] */
-.long 0x00000000 /* inc[0] */
-.long 0x60000000 /* inc[1] */
-.long 0x20000004 /* inc[2] */
-.long 0x20000001 /* inc[3] */
-.long 0x80000000 /* inc[4] */
-.long 0x40000000 /* inc[5] */
-.long 0x00000000 /* inc[6] */
-.long 0x00000000 /* inc[7] */
-
-.align 8
-
-.globl scEthernetXmit_VarTab
-scEthernetXmit_VarTab: /* Task 1 Variable Table */
-.long 0x00000000 /* var[0] */
-.long 0x00000000 /* var[1] */
-.long 0x00000000 /* var[2] */
-.long 0x00000000 /* var[3] */
-.long 0x00000000 /* var[4] */
-.long 0x00000000 /* var[5] */
-.long 0x00000000 /* var[6] */
-.long 0x00000000 /* var[7] */
-.long 0x00000000 /* var[8] */
-.long 0x00000000 /* var[9] */
-.long 0x00000000 /* var[10] */
-.long 0xf0025b00 /* var[11] */
-.long 0x00000000 /* var[12] */
-.long 0x80000000 /* var[13] */
-.long 0x10000000 /* var[14] */
-.long 0x08000000 /* var[15] */
-.long 0x20000000 /* var[16] */
-.long 0x0000ffff /* var[17] */
-.long 0xffffffff /* var[18] */
-.long 0x00000004 /* var[19] */
-.long 0x00000008 /* var[20] */
-.long 0x00000000 /* var[21] */
-.long 0x00000000 /* var[22] */
-.long 0x00000000 /* var[23] */
-.long 0x00000000 /* inc[0] */
-.long 0x60000000 /* inc[1] */
-.long 0x40000000 /* inc[2] */
-.long 0xc000fffc /* inc[3] */
-.long 0xe0000004 /* inc[4] */
-.long 0x80000000 /* inc[5] */
-.long 0x4000ffff /* inc[6] */
-.long 0xe0000001 /* inc[7] */
-
-.align 8
-
-.globl scEthernetRecv_FDT
-scEthernetRecv_FDT: /* Task 0 Function Descriptor Table */
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x21800000 /* and(), EU# 3 */
-.long 0x21e00000 /* or(), EU# 3 */
-.long 0x21400000 /* andn(), EU# 3 */
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-
-.align 8
-
-.globl scEthernetXmit_FDT
-scEthernetXmit_FDT: /* Task 1 Function Descriptor Table */
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x21800000 /* and(), EU# 3 */
-.long 0x21e00000 /* or(), EU# 3 */
-.long 0x21400000 /* andn(), EU# 3 */
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-.long 0x00000000
-
-
-.globl scEthernetRecv_CSave
-scEthernetRecv_CSave: /* Task 0 context save space */
-.space 128, 0x0
-
-
-.globl scEthernetXmit_CSave
-scEthernetXmit_CSave: /* Task 1 context save space */
-.space 128, 0x0
-
-#endif
diff --git a/cpu/mpc8220/i2c.c b/cpu/mpc8220/i2c.c
deleted file mode 100644
index 76ecdf1..0000000
--- a/cpu/mpc8220/i2c.c
+++ /dev/null
@@ -1,390 +0,0 @@
-/*
- * (C) Copyright 2004, Freescale, Inc
- * TsiChung Liew, Tsi-Chung.Liew@freescale.com.
- *
- * 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 <common.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_HARD_I2C
-
-#include <mpc8220.h>
-#include <i2c.h>
-
-typedef struct mpc8220_i2c {
- volatile u32 adr; /* I2Cn + 0x00 */
- volatile u32 fdr; /* I2Cn + 0x04 */
- volatile u32 cr; /* I2Cn + 0x08 */
- volatile u32 sr; /* I2Cn + 0x0C */
- volatile u32 dr; /* I2Cn + 0x10 */
-} i2c_t;
-
-/* I2Cn control register bits */
-#define I2C_EN 0x80
-#define I2C_IEN 0x40
-#define I2C_STA 0x20
-#define I2C_TX 0x10
-#define I2C_TXAK 0x08
-#define I2C_RSTA 0x04
-#define I2C_INIT_MASK (I2C_EN | I2C_STA | I2C_TX | I2C_RSTA)
-
-/* I2Cn status register bits */
-#define I2C_CF 0x80
-#define I2C_AAS 0x40
-#define I2C_BB 0x20
-#define I2C_AL 0x10
-#define I2C_SRW 0x04
-#define I2C_IF 0x02
-#define I2C_RXAK 0x01
-
-#define I2C_TIMEOUT 100
-#define I2C_RETRIES 1
-
-struct mpc8220_i2c_tap {
- int scl2tap;
- int tap2tap;
-};
-
-static int mpc_reg_in (volatile u32 * reg);
-static void mpc_reg_out (volatile u32 * reg, int val, int mask);
-static int wait_for_bb (void);
-static int wait_for_pin (int *status);
-static int do_address (uchar chip, char rdwr_flag);
-static int send_bytes (uchar chip, char *buf, int len);
-static int receive_bytes (uchar chip, char *buf, int len);
-static int mpc_get_fdr (int);
-
-static int mpc_reg_in (volatile u32 * reg)
-{
- int ret;
- ret = *reg >> 24;
- __asm__ __volatile__ ("eieio");
- return ret;
-}
-
-static void mpc_reg_out (volatile u32 * reg, int val, int mask)
-{
- int tmp;
-
- if (!mask) {
- *reg = val << 24;
- } else {
- tmp = mpc_reg_in (reg);
- *reg = ((tmp & ~mask) | (val & mask)) << 24;
- }
- __asm__ __volatile__ ("eieio");
-
- return;
-}
-
-static int wait_for_bb (void)
-{
- i2c_t *regs = (i2c_t *) MMAP_I2C;
- int timeout = I2C_TIMEOUT;
- int status;
-
- status = mpc_reg_in (&regs->sr);
-
- while (timeout-- && (status & I2C_BB)) {
-#if 1
- volatile int temp;
-
- mpc_reg_out (&regs->cr, I2C_STA, I2C_STA);
- temp = mpc_reg_in (&regs->dr);
- mpc_reg_out (&regs->cr, 0, I2C_STA);
- mpc_reg_out (&regs->cr, 0, 0);
- mpc_reg_out (&regs->cr, I2C_EN, 0);
-#endif
- udelay (1000);
- status = mpc_reg_in (&regs->sr);
- }
-
- return (status & I2C_BB);
-}
-
-static int wait_for_pin (int *status)
-{
- i2c_t *regs = (i2c_t *) MMAP_I2C;
- int timeout = I2C_TIMEOUT;
-
- *status = mpc_reg_in (&regs->sr);
-
- while (timeout-- && !(*status & I2C_IF)) {
- udelay (1000);
- *status = mpc_reg_in (&regs->sr);
- }
-
- if (!(*status & I2C_IF)) {
- return -1;
- }
-
- mpc_reg_out (&regs->sr, 0, I2C_IF);
- return 0;
-}
-
-static int do_address (uchar chip, char rdwr_flag)
-{
- i2c_t *regs = (i2c_t *) MMAP_I2C;
- int status;
-
- chip <<= 1;
-
- if (rdwr_flag)
- chip |= 1;
-
- mpc_reg_out (&regs->cr, I2C_TX, I2C_TX);
- mpc_reg_out (&regs->dr, chip, 0);
-
- if (wait_for_pin (&status))
- return -2;
- if (status & I2C_RXAK)
- return -3;
- return 0;
-}
-
-static int send_bytes (uchar chip, char *buf, int len)
-{
- i2c_t *regs = (i2c_t *) MMAP_I2C;
- int wrcount;
- int status;
-
- for (wrcount = 0; wrcount < len; ++wrcount) {
-
- mpc_reg_out (&regs->dr, buf[wrcount], 0);
-
- if (wait_for_pin (&status))
- break;
-
- if (status & I2C_RXAK)
- break;
-
- }
-
- return !(wrcount == len);
- return 0;
-}
-
-static int receive_bytes (uchar chip, char *buf, int len)
-{
- i2c_t *regs = (i2c_t *) MMAP_I2C;
- int dummy = 1;
- int rdcount = 0;
- int status;
- int i;
-
- mpc_reg_out (&regs->cr, 0, I2C_TX);
-
- for (i = 0; i < len; ++i) {
- buf[rdcount] = mpc_reg_in (&regs->dr);
-
- if (dummy)
- dummy = 0;
- else
- rdcount++;
-
- if (wait_for_pin (&status))
- return -4;
- }
-
- mpc_reg_out (&regs->cr, I2C_TXAK, I2C_TXAK);
- buf[rdcount++] = mpc_reg_in (&regs->dr);
-
- if (wait_for_pin (&status))
- return -5;
-
- mpc_reg_out (&regs->cr, 0, I2C_TXAK);
- return 0;
-}
-
-/**************** I2C API ****************/
-
-void i2c_init (int speed, int saddr)
-{
- i2c_t *regs = (i2c_t *) MMAP_I2C;
-
- mpc_reg_out (&regs->cr, 0, 0);
- mpc_reg_out (&regs->adr, saddr << 1, 0);
-
- /* Set clock
- */
- mpc_reg_out (&regs->fdr, mpc_get_fdr (speed), 0);
-
- /* Enable module
- */
- mpc_reg_out (&regs->cr, I2C_EN, I2C_INIT_MASK);
- mpc_reg_out (&regs->sr, 0, I2C_IF);
- return;
-}
-
-static int mpc_get_fdr (int speed)
-{
- static int fdr = -1;
-
- if (fdr == -1) {
- ulong best_speed = 0;
- ulong divider;
- ulong ipb, scl;
- ulong bestmatch = 0xffffffffUL;
- int best_i = 0, best_j = 0, i, j;
- int SCL_Tap[] = { 9, 10, 12, 15, 5, 6, 7, 8 };
- struct mpc8220_i2c_tap scltap[] = {
- {4, 1},
- {4, 2},
- {6, 4},
- {6, 8},
- {14, 16},
- {30, 32},
- {62, 64},
- {126, 128}
- };
-
- ipb = gd->bus_clk;
- for (i = 7; i >= 0; i--) {
- for (j = 7; j >= 0; j--) {
- scl = 2 * (scltap[j].scl2tap +
- (SCL_Tap[i] -
- 1) * scltap[j].tap2tap + 2);
- if (ipb <= speed * scl) {
- if ((speed * scl - ipb) < bestmatch) {
- bestmatch = speed * scl - ipb;
- best_i = i;
- best_j = j;
- best_speed = ipb / scl;
- }
- }
- }
- }
- divider = (best_i & 3) | ((best_i & 4) << 3) | (best_j << 2);
- if (gd->flags & GD_FLG_RELOC) {
- fdr = divider;
- } else {
- printf ("%ld kHz, ", best_speed / 1000);
- return divider;
- }
- }
-
- return fdr;
-}
-
-int i2c_probe (uchar chip)
-{
- i2c_t *regs = (i2c_t *) MMAP_I2C;
- int i;
-
- for (i = 0; i < I2C_RETRIES; i++) {
- mpc_reg_out (&regs->cr, I2C_STA, I2C_STA);
-
- if (!do_address (chip, 0)) {
- mpc_reg_out (&regs->cr, 0, I2C_STA);
- break;
- }
-
- mpc_reg_out (&regs->cr, 0, I2C_STA);
- udelay (50);
- }
-
- return (i == I2C_RETRIES);
-}
-
-int i2c_read (uchar chip, uint addr, int alen, uchar * buf, int len)
-{
- uchar xaddr[4];
- i2c_t *regs = (i2c_t *) MMAP_I2C;
- int ret = -1;
-
- xaddr[0] = (addr >> 24) & 0xFF;
- xaddr[1] = (addr >> 16) & 0xFF;
- xaddr[2] = (addr >> 8) & 0xFF;
- xaddr[3] = addr & 0xFF;
-
- if (wait_for_bb ()) {
- printf ("i2c_read: bus is busy\n");
- goto Done;
- }
-
- mpc_reg_out (&regs->cr, I2C_STA, I2C_STA);
- if (do_address (chip, 0)) {
- printf ("i2c_read: failed to address chip\n");
- goto Done;
- }
-
- if (send_bytes (chip, (char *)&xaddr[4 - alen], alen)) {
- printf ("i2c_read: send_bytes failed\n");
- goto Done;
- }
-
- mpc_reg_out (&regs->cr, I2C_RSTA, I2C_RSTA);
- if (do_address (chip, 1)) {
- printf ("i2c_read: failed to address chip\n");
- goto Done;
- }
-
- if (receive_bytes (chip, (char *)buf, len)) {
- printf ("i2c_read: receive_bytes failed\n");
- goto Done;
- }
-
- ret = 0;
- Done:
- mpc_reg_out (&regs->cr, 0, I2C_STA);
- return ret;
-}
-
-int i2c_write (uchar chip, uint addr, int alen, uchar * buf, int len)
-{
- uchar xaddr[4];
- i2c_t *regs = (i2c_t *) MMAP_I2C;
- int ret = -1;
-
- xaddr[0] = (addr >> 24) & 0xFF;
- xaddr[1] = (addr >> 16) & 0xFF;
- xaddr[2] = (addr >> 8) & 0xFF;
- xaddr[3] = addr & 0xFF;
-
- if (wait_for_bb ()) {
- printf ("i2c_write: bus is busy\n");
- goto Done;
- }
-
- mpc_reg_out (&regs->cr, I2C_STA, I2C_STA);
- if (do_address (chip, 0)) {
- printf ("i2c_write: failed to address chip\n");
- goto Done;
- }
-
- if (send_bytes (chip, (char *)&xaddr[4 - alen], alen)) {
- printf ("i2c_write: send_bytes failed\n");
- goto Done;
- }
-
- if (send_bytes (chip, (char *)buf, len)) {
- printf ("i2c_write: send_bytes failed\n");
- goto Done;
- }
-
- ret = 0;
- Done:
- mpc_reg_out (&regs->cr, 0, I2C_STA);
- return ret;
-}
-
-#endif /* CONFIG_HARD_I2C */
diff --git a/cpu/mpc8220/i2cCore.c b/cpu/mpc8220/i2cCore.c
deleted file mode 100644
index b89ad03..0000000
--- a/cpu/mpc8220/i2cCore.c
+++ /dev/null
@@ -1,627 +0,0 @@
-/* I2cCore.c - MPC8220 PPC I2C Library */
-
-/* Copyright 2004 Freescale Semiconductor, Inc. */
-
-/*
-modification history
---------------------
-01c,29jun04,tcl 1.3 removed CR. Added two bytes offset support.
-01b,19jan04,tcl 1.2 removed i2cMsDelay and sysDecGet. renamed i2cMsDelay
- back to sysMsDelay
-01a,19jan04,tcl 1.1 created and seperated from i2c.c
-*/
-
-/*
-DESCRIPTION
-This file contain I2C low level handling library functions
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <vxWorks.h>
-#include <sysLib.h>
-#include <iosLib.h>
-#include <logLib.h>
-#include <tickLib.h>
-
-/* BSP Includes */
-#include "config.h"
-#include "mpc8220.h"
-#include "i2cCore.h"
-
-#ifdef DEBUG_I2CCORE
-int I2CCDbg = 0;
-#endif
-
-#define ABS(x) ((x < 0)? -x : x)
-
-char *I2CERR[16] = {
- "Transfer in Progress\n", /* 0 */
- "Transfer complete\n",
- "Not Addressed\n", /* 2 */
- "Addressed as a slave\n",
- "Bus is Idle\n", /* 4 */
- "Bus is busy\n",
- "Arbitration Lost\n", /* 6 */
- "Arbitration on Track\n",
- "Slave receive, master writing to slave\n", /* 8 */
- "Slave transmit, master reading from slave\n",
- "Interrupt is pending\n", /* 10 */
- "Interrupt complete\n",
- "Acknowledge received\n", /* 12 */
- "No acknowledge received\n",
- "Unknown status\n", /* 14 */
- "\n"
-};
-
-/******************************************************************************
- *
- * chk_status - Check I2C status bit
- *
- * RETURNS: OK, or ERROR if the bit encounter
- *
- */
-
-STATUS chk_status (PSI2C pi2c, UINT8 sta_bit, UINT8 truefalse)
-{
- int i, status = 0;
-
- for (i = 0; i < I2C_POLL_COUNT; i++) {
- if ((pi2c->sr & sta_bit) == (truefalse ? sta_bit : 0))
- return (OK);
- }
-
- I2CCDBG (L2, ("--- sr %x stabit %x truefalse %d\n",
- pi2c->sr, sta_bit, truefalse, 0, 0, 0));
-
- if (i == I2C_POLL_COUNT) {
- switch (sta_bit) {
- case I2C_STA_CF:
- status = 0;
- break;
- case I2C_STA_AAS:
- status = 2;
- break;
- case I2C_STA_BB:
- status = 4;
- break;
- case I2C_STA_AL:
- status = 6;
- break;
- case I2C_STA_SRW:
- status = 8;
- break;
- case I2C_STA_IF:
- status = 10;
- break;
- case I2C_STA_RXAK:
- status = 12;
- break;
- default:
- status = 14;
- break;
- }
-
- if (!truefalse)
- status++;
-
- I2CCDBG (NO, ("--- status %d\n", status, 0, 0, 0, 0, 0));
- I2CCDBG (NO, (I2CERR[status], 0, 0, 0, 0, 0, 0));
- }
-
- return (ERROR);
-}
-
-/******************************************************************************
- *
- * I2C Enable - Enable the I2C Controller
- *
- */
-STATUS i2c_enable (SI2C * pi2c, PI2CSET pi2cSet)
-{
- int fdr = pi2cSet->bit_rate;
- UINT8 adr = pi2cSet->i2c_adr;
-
- I2CCDBG (L2, ("i2c_enable fdr %d adr %x\n", fdr, adr, 0, 0, 0, 0));
-
- i2c_clear (pi2c); /* Clear FDR, ADR, SR and CR reg */
-
- SetI2cFDR (pi2c, fdr); /* Frequency */
- pi2c->adr = adr;
-
- pi2c->cr = I2C_CTL_EN; /* Set Enable */
-
- /*
- The I2C bus should be in Idle state. If the bus is busy,
- clear the STA bit in control register
- */
- if (chk_status (pi2c, I2C_STA_BB, 0) != OK) {
- if ((pi2c->cr & I2C_CTL_STA) == I2C_CTL_STA)
- pi2c->cr &= ~I2C_CTL_STA;
-
- /* Check again if it is still busy, return error if found */
- if (chk_status (pi2c, I2C_STA_BB, 1) == OK)
- return ERROR;
- }
-
- return (OK);
-}
-
-/******************************************************************************
- *
- * I2C Disable - Disable the I2C Controller
- *
- */
-STATUS i2c_disable (PSI2C pi2c)
-{
- i2c_clear (pi2c);
-
- pi2c->cr &= I2C_CTL_EN; /* Disable I2c */
-
- if ((pi2c->cr & I2C_CTL_STA) == I2C_CTL_STA)
- pi2c->cr &= ~I2C_CTL_STA;
-
- if (chk_status (pi2c, I2C_STA_BB, 0) != OK)
- return ERROR;
-
- return (OK);
-}
-
-/******************************************************************************
- *
- * I2C Clear - Clear the I2C Controller
- *
- */
-STATUS i2c_clear (PSI2C pi2c)
-{
- pi2c->adr = 0;
- pi2c->fdr = 0;
- pi2c->cr = 0;
- pi2c->sr = 0;
-
- return (OK);
-}
-
-
-STATUS i2c_start (PSI2C pi2c, PI2CSET pi2cSet)
-{
-#ifdef TWOBYTES
- UINT16 ByteOffset = pi2cSet->str_adr;
-#else
- UINT8 ByteOffset = pi2cSet->str_adr;
-#endif
-#if 1
- UINT8 tmp = 0;
-#endif
- UINT8 Addr = pi2cSet->slv_adr;
-
- pi2c->cr |= I2C_CTL_STA; /* Generate start signal */
-
- if (chk_status (pi2c, I2C_STA_BB, 1) != OK)
- return ERROR;
-
- /* Write slave address */
- if (i2c_writebyte (pi2c, &Addr) != OK) {
- i2c_stop (pi2c); /* Disable I2c */
- return ERROR;
- }
-#ifdef TWOBYTES
-# if 0
- /* Issue the offset to start */
- if (i2c_write2byte (pi2c, &ByteOffset) != OK) {
- i2c_stop (pi2c); /* Disable I2c */
- return ERROR;
- }
-#endif
- tmp = (ByteOffset >> 8) & 0xff;
- if (i2c_writebyte (pi2c, &tmp) != OK) {
- i2c_stop (pi2c); /* Disable I2c */
- return ERROR;
- }
- tmp = ByteOffset & 0xff;
- if (i2c_writebyte (pi2c, &tmp) != OK) {
- i2c_stop (pi2c); /* Disable I2c */
- return ERROR;
- }
-#else
- if (i2c_writebyte (pi2c, &ByteOffset) != OK) {
- i2c_stop (pi2c); /* Disable I2c */
- return ERROR;
- }
-#endif
-
- return (OK);
-}
-
-STATUS i2c_stop (PSI2C pi2c)
-{
- pi2c->cr &= ~I2C_CTL_STA; /* Generate stop signal */
- if (chk_status (pi2c, I2C_STA_BB, 0) != OK)
- return ERROR;
-
- return (OK);
-}
-
-/******************************************************************************
- *
- * Read Len bytes to the location pointed to by *Data from the device
- * with address Addr.
- */
-int i2c_readblock (SI2C * pi2c, PI2CSET pi2cSet, UINT8 * Data)
-{
- int i = 0;
- UINT8 Tmp;
-
-/* UINT8 ByteOffset = pi2cSet->str_adr; not used? */
- UINT8 Addr = pi2cSet->slv_adr;
- int Length = pi2cSet->xfer_size;
-
- I2CCDBG (L1, ("i2c_readblock addr %x data 0x%08x len %d offset %d\n",
- Addr, (int) Data, Length, ByteOffset, 0, 0));
-
- if (pi2c->sr & I2C_STA_AL) { /* Check if Arbitration lost */
- I2CCDBG (FN, ("Arbitration lost\n", 0, 0, 0, 0, 0, 0));
- pi2c->sr &= ~I2C_STA_AL; /* Clear Arbitration status bit */
- return ERROR;
- }
-
- pi2c->cr |= I2C_CTL_TX; /* Enable the I2c for TX, Ack */
-
- if (i2c_start (pi2c, pi2cSet) == ERROR)
- return ERROR;
-
- pi2c->cr |= I2C_CTL_RSTA; /* Repeat Start */
-
- Tmp = Addr | 1;
-
- if (i2c_writebyte (pi2c, &Tmp) != OK) {
- i2c_stop (pi2c); /* Disable I2c */
- return ERROR;
- }
-
- if (((pi2c->sr & 0x07) == 0x07) || (pi2c->sr & 0x01))
- return ERROR;
-
- pi2c->cr &= ~I2C_CTL_TX; /* Set receive mode */
-
- if (((pi2c->sr & 0x07) == 0x07) || (pi2c->sr & 0x01))
- return ERROR;
-
- /* Dummy Read */
- if (i2c_readbyte (pi2c, &Tmp, &i) != OK) {
- i2c_stop (pi2c); /* Disable I2c */
- return ERROR;
- }
-
- i = 0;
- while (Length) {
- if (Length == 2)
- pi2c->cr |= I2C_CTL_TXAK;
-
- if (Length == 1)
- pi2c->cr &= ~I2C_CTL_STA;
-
- if (i2c_readbyte (pi2c, Data, &Length) != OK) {
- return i2c_stop (pi2c);
- }
- i++;
- Length--;
- Data++;
- }
-
- if (i2c_stop (pi2c) == ERROR)
- return ERROR;
-
- return i;
-}
-
-STATUS i2c_writeblock (SI2C * pi2c, PI2CSET pi2cSet, UINT8 * Data)
-{
- int Length = pi2cSet->xfer_size;
-
-#ifdef TWOBYTES
- UINT16 ByteOffset = pi2cSet->str_adr;
-#else
- UINT8 ByteOffset = pi2cSet->str_adr;
-#endif
- int j, k;
-
- I2CCDBG (L2, ("i2c_writeblock\n", 0, 0, 0, 0, 0, 0));
-
- if (pi2c->sr & I2C_STA_AL) {
- /* Check if arbitration lost */
- I2CCDBG (L2, ("Arbitration lost\n", 0, 0, 0, 0, 0, 0));
- pi2c->sr &= ~I2C_STA_AL; /* Clear the condition */
- return ERROR;
- }
-
- pi2c->cr |= I2C_CTL_TX; /* Enable the I2c for TX, Ack */
-
- /* Do the not even offset first */
- if ((ByteOffset % 8) != 0) {
- int remain;
-
- if (Length > 8) {
- remain = 8 - (ByteOffset % 8);
- Length -= remain;
-
- pi2cSet->str_adr = ByteOffset;
-
- if (i2c_start (pi2c, pi2cSet) == ERROR)
- return ERROR;
-
- for (j = ByteOffset; j < remain; j++) {
- if (i2c_writebyte (pi2c, Data++) != OK)
- return ERROR;
- }
-
- if (i2c_stop (pi2c) == ERROR)
- return ERROR;
-
- sysMsDelay (32);
-
- /* Update the new ByteOffset */
- ByteOffset += remain;
- }
- }
-
- for (j = ByteOffset, k = 0; j < (Length + ByteOffset); j++) {
- if ((j % 8) == 0) {
- pi2cSet->str_adr = j;
- if (i2c_start (pi2c, pi2cSet) == ERROR)
- return ERROR;
- }
-
- k++;
-
- if (i2c_writebyte (pi2c, Data++) != OK)
- return ERROR;
-
- if ((j == (Length - 1)) || ((k % 8) == 0)) {
- if (i2c_stop (pi2c) == ERROR)
- return ERROR;
-
- sysMsDelay (50);
- }
-
- }
-
- return k;
-}
-
-STATUS i2c_readbyte (SI2C * pi2c, UINT8 * readb, int *index)
-{
- pi2c->sr &= ~I2C_STA_IF; /* Clear Interrupt Bit */
- *readb = pi2c->dr; /* Read a byte */
-
- /*
- Set I2C_CTRL_TXAK will cause Transfer pending and
- set I2C_CTRL_STA will cause Interrupt pending
- */
- if (*index != 2) {
- if (chk_status (pi2c, I2C_STA_CF, 1) != OK) /* Transfer not complete? */
- return ERROR;
- }
-
- if (*index != 1) {
- if (chk_status (pi2c, I2C_STA_IF, 1) != OK)
- return ERROR;
- }
-
- return (OK);
-}
-
-
-STATUS i2c_writebyte (SI2C * pi2c, UINT8 * writeb)
-{
- pi2c->sr &= ~I2C_STA_IF; /* Clear Interrupt */
- pi2c->dr = *writeb; /* Write a byte */
-
- if (chk_status (pi2c, I2C_STA_CF, 1) != OK) /* Transfer not complete? */
- return ERROR;
-
- if (chk_status (pi2c, I2C_STA_IF, 1) != OK)
- return ERROR;
-
- return OK;
-}
-
-STATUS i2c_write2byte (SI2C * pi2c, UINT16 * writeb)
-{
- UINT8 data;
-
- data = (UINT8) ((*writeb >> 8) & 0xff);
- if (i2c_writebyte (pi2c, &data) != OK)
- return ERROR;
- data = (UINT8) (*writeb & 0xff);
- if (i2c_writebyte (pi2c, &data) != OK)
- return ERROR;
- return OK;
-}
-
-/* FDR table base on 33MHz - more detail please refer to Odini2c_dividers.xls
-FDR FDR scl sda scl2tap2
-510 432 tap tap tap tap scl_per sda_hold I2C Freq 0 1 2 3 4 5
-000 000 9 3 4 1 28 Clocks 9 Clocks 1190 KHz 0 0 0 0 0 0
-000 001 9 3 4 2 44 Clocks 11 Clocks 758 KHz 0 0 1 0 0 0
-000 010 9 3 6 4 80 Clocks 17 Clocks 417 KHz 0 0 0 1 0 0
-000 011 9 3 6 8 144 Clocks 25 Clocks 231 KHz 0 0 1 1 0 0
-000 100 9 3 14 16 288 Clocks 49 Clocks 116 KHz 0 0 0 0 1 0
-000 101 9 3 30 32 576 Clocks 97 Clocks 58 KHz 0 0 1 0 1 0
-000 110 9 3 62 64 1152 Clocks 193 Clocks 29 KHz 0 0 0 1 1 0
-000 111 9 3 126 128 2304 Clocks 385 Clocks 14 KHz 0 0 1 1 1 0
-001 000 10 3 4 1 30 Clocks 9 Clocks 1111 KHz1 0 0 0 0 0
-001 001 10 3 4 2 48 Clocks 11 Clocks 694 KHz 1 0 1 0 0 0
-001 010 10 3 6 4 88 Clocks 17 Clocks 379 KHz 1 0 0 1 0 0
-001 011 10 3 6 8 160 Clocks 25 Clocks 208 KHz 1 0 1 1 0 0
-001 100 10 3 14 16 320 Clocks 49 Clocks 104 KHz 1 0 0 0 1 0
-001 101 10 3 30 32 640 Clocks 97 Clocks 52 KHz 1 0 1 0 1 0
-001 110 10 3 62 64 1280 Clocks 193 Clocks 26 KHz 1 0 0 1 1 0
-001 111 10 3 126 128 2560 Clocks 385 Clocks 13 KHz 1 0 1 1 1 0
-010 000 12 4 4 1 34 Clocks 10 Clocks 980 KHz 0 1 0 0 0 0
-010 001 12 4 4 2 56 Clocks 13 Clocks 595 KHz 0 1 1 0 0 0
-010 010 12 4 6 4 104 Clocks 21 Clocks 321 KHz 0 1 0 1 0 0
-010 011 12 4 6 8 192 Clocks 33 Clocks 174 KHz 0 1 1 1 0 0
-010 100 12 4 14 16 384 Clocks 65 Clocks 87 KHz 0 1 0 0 1 0
-010 101 12 4 30 32 768 Clocks 129 Clocks 43 KHz 0 1 1 0 1 0
-010 110 12 4 62 64 1536 Clocks 257 Clocks 22 KHz 0 1 0 1 1 0
-010 111 12 4 126 128 3072 Clocks 513 Clocks 11 KHz 0 1 1 1 1 0
-011 000 15 4 4 1 40 Clocks 10 Clocks 833 KHz 1 1 0 0 0 0
-011 001 15 4 4 2 68 Clocks 13 Clocks 490 KHz 1 1 1 0 0 0
-011 010 15 4 6 4 128 Clocks 21 Clocks 260 KHz 1 1 0 1 0 0
-011 011 15 4 6 8 240 Clocks 33 Clocks 139 KHz 1 1 1 1 0 0
-011 100 15 4 14 16 480 Clocks 65 Clocks 69 KHz 1 1 0 0 1 0
-011 101 15 4 30 32 960 Clocks 129 Clocks 35 KHz 1 1 1 0 1 0
-011 110 15 4 62 64 1920 Clocks 257 Clocks 17 KHz 1 1 0 1 1 0
-011 111 15 4 126 128 3840 Clocks 513 Clocks 9 KHz 1 1 1 1 1 0
-100 000 5 1 4 1 20 Clocks 7 Clocks 1667 KHz 0 0 0 0 0 1
-100 001 5 1 4 2 28 Clocks 7 Clocks 1190 KHz 0 0 1 0 0 1
-100 010 5 1 6 4 48 Clocks 9 Clocks 694 KHz 0 0 0 1 0 1
-100 011 5 1 6 8 80 Clocks 9 Clocks 417 KHz 0 0 1 1 0 1
-100 100 5 1 14 16 160 Clocks 17 Clocks 208 KHz 0 0 0 0 1 1
-100 101 5 1 30 32 320 Clocks 33 Clocks 104 KHz 0 0 1 0 1 1
-100 110 5 1 62 64 640 Clocks 65 Clocks 52 KHz 0 0 0 1 1 1
-100 111 5 1 126 128 1280 Clocks 129 Clocks 26 KHz 0 0 1 1 1 1
-101 000 6 1 4 1 22 Clocks 7 Clocks 1515 KHz 1 0 0 0 0 1
-101 001 6 1 4 2 32 Clocks 7 Clocks 1042 KHz 1 0 1 0 0 1
-101 010 6 1 6 4 56 Clocks 9 Clocks 595 KHz 1 0 0 1 0 1
-101 011 6 1 6 8 96 Clocks 9 Clocks 347 KHz 1 0 1 1 0 1
-101 100 6 1 14 16 192 Clocks 17 Clocks 174 KHz 1 0 0 0 1 1
-101 101 6 1 30 32 384 Clocks 33 Clocks 87 KHz 1 0 1 0 1 1
-101 110 6 1 62 64 768 Clocks 65 Clocks 43 KHz 1 0 0 1 1 1
-101 111 6 1 126 128 1536 Clocks 129 Clocks 22 KHz 1 0 1 1 1 1
-110 000 7 2 4 1 24 Clocks 8 Clocks 1389 KHz 0 1 0 0 0 1
-110 001 7 2 4 2 36 Clocks 9 Clocks 926 KHz 0 1 1 0 0 1
-110 010 7 2 6 4 64 Clocks 13 Clocks 521 KHz 0 1 0 1 0 1
-110 011 7 2 6 8 112 Clocks 17 Clocks 298 KHz 0 1 1 1 0 1
-110 100 7 2 14 16 224 Clocks 33 Clocks 149 KHz 0 1 0 0 1 1
-110 101 7 2 30 32 448 Clocks 65 Clocks 74 KHz 0 1 1 0 1 1
-110 110 7 2 62 64 896 Clocks 129 Clocks 37 KHz 0 1 0 1 1 1
-110 111 7 2 126 128 1792 Clocks 257 Clocks 19 KHz 0 1 1 1 1 1
-111 000 8 2 4 1 26 Clocks 8 Clocks 1282 KHz 1 1 0 0 0 1
-111 001 8 2 4 2 40 Clocks 9 Clocks 833 KHz 1 1 1 0 0 1
-111 010 8 2 6 4 72 Clocks 13 Clocks 463 KHz 1 1 0 1 0 1
-111 011 8 2 6 8 128 Clocks 17 Clocks 260 KHz 1 1 1 1 0 1
-111 100 8 2 14 16 256 Clocks 33 Clocks 130 KHz 1 1 0 0 1 1
-111 101 8 2 30 32 512 Clocks 65 Clocks 65 KHz 1 1 1 0 1 1
-111 110 8 2 62 64 1024 Clocks 129 Clocks 33 KHz 1 1 0 1 1 1
-111 111 8 2 126 128 2048 Clocks 257 Clocks 16 KHz 1 1 1 1 1 1
-*/
-STATUS SetI2cFDR (PSI2C pi2cRegs, int bitrate)
-{
-/* Constants */
- const UINT8 div_hold[8][3] = { {9, 3}, {10, 3},
- {12, 4}, {15, 4},
- {5, 1}, {6, 1},
- {7, 2}, {8, 2}
- };
-
- const UINT8 scl_tap[8][2] = { {4, 1}, {4, 2},
- {6, 4}, {6, 8},
- {14, 16}, {30, 32},
- {62, 64}, {126, 128}
- };
-
- UINT8 mfdr_bits;
-
- int i = 0;
- int j = 0;
-
- int Diff, min;
- int WhichFreq, iRec, jRec;
- int SCL_Period;
- int SCL_Hold;
- int I2C_Freq;
-
- I2CCDBG (L2, ("Entering getBitRate: bitrate %d pi2cRegs 0x%08x\n",
- bitrate, (int) pi2cRegs, 0, 0, 0, 0));
-
- if (bitrate < 0) {
- I2CCDBG (NO, ("Invalid bitrate\n", 0, 0, 0, 0, 0, 0));
- return ERROR;
- }
-
- /* Initialize */
- mfdr_bits = 0;
- min = 0x7fffffff;
- WhichFreq = iRec = jRec = 0;
-
- for (i = 0; i < 8; i++) {
- for (j = 0; j < 8; j++) {
- /* SCL Period = 2 * (scl2tap + [(SCL_Tap - 1) * tap2tap] + 2)
- * SCL Hold = scl2tap + ((SDA_Tap - 1) * tap2tap) + 3
- * Bit Rate (I2C Freq) = System Freq / SCL Period
- */
- SCL_Period =
- 2 * (scl_tap[i][0] +
- ((div_hold[j][0] - 1) * scl_tap[i][1]) +
- 2);
-
- /* Now get the I2C Freq */
- I2C_Freq = DEV_CLOCK_FREQ / SCL_Period;
-
- /* Take equal or slower */
- if (I2C_Freq > bitrate)
- continue;
-
- /* Take the differences */
- Diff = I2C_Freq - bitrate;
-
- Diff = ABS (Diff);
-
- /* Find the closer value */
- if (Diff < min) {
- min = Diff;
- WhichFreq = I2C_Freq;
- iRec = i;
- jRec = j;
- }
-
- I2CCDBG (L2,
- ("--- (%d,%d) I2C_Freq %d minDiff %d min %d\n",
- i, j, I2C_Freq, Diff, min, 0));
- }
- }
-
- SCL_Period =
- 2 * (scl_tap[iRec][0] +
- ((div_hold[jRec][0] - 1) * scl_tap[iRec][1]) + 2);
-
- I2CCDBG (L2, ("\nmin %d WhichFreq %d iRec %d jRec %d\n",
- min, WhichFreq, iRec, jRec, 0, 0));
- I2CCDBG (L2, ("--- scl2tap %d SCL_Tap %d tap2tap %d\n",
- scl_tap[iRec][0], div_hold[jRec][0], scl_tap[iRec][1],
- 0, 0, 0));
-
- /* This may no require */
- SCL_Hold =
- scl_tap[iRec][0] +
- ((div_hold[jRec][1] - 1) * scl_tap[iRec][1]) + 3;
- I2CCDBG (L2,
- ("--- SCL_Period %d SCL_Hold %d\n", SCL_Period, SCL_Hold, 0,
- 0, 0, 0));
-
- I2CCDBG (L2, ("--- mfdr_bits %x\n", mfdr_bits, 0, 0, 0, 0, 0));
-
- /* FDR 4,3,2 */
- if ((iRec & 1) == 1)
- mfdr_bits |= 0x04; /* FDR 2 */
- if ((iRec & 2) == 2)
- mfdr_bits |= 0x08; /* FDR 3 */
- if ((iRec & 4) == 4)
- mfdr_bits |= 0x10; /* FDR 4 */
- /* FDR 5,1,0 */
- if ((jRec & 1) == 1)
- mfdr_bits |= 0x01; /* FDR 0 */
- if ((jRec & 2) == 2)
- mfdr_bits |= 0x02; /* FDR 1 */
- if ((jRec & 4) == 4)
- mfdr_bits |= 0x20; /* FDR 5 */
-
- I2CCDBG (L2, ("--- mfdr_bits %x\n", mfdr_bits, 0, 0, 0, 0, 0));
-
- pi2cRegs->fdr = mfdr_bits;
-
- return OK;
-}
diff --git a/cpu/mpc8220/i2cCore.h b/cpu/mpc8220/i2cCore.h
deleted file mode 100644
index 72783fd..0000000
--- a/cpu/mpc8220/i2cCore.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * i2cCore.h
- *
- * Prototypes, etc. for the Motorola MPC8220
- * embedded cpu chips
- *
- * 2004 (c) Freescale, Inc.
- * Author: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
- *
- * 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
- */
-#ifndef __INCi2ccoreh
-#define __INCi2ccoreh
-#ifndef __ASSEMBLY__
-/* device types */
-#define I2C_DEVICE_TYPE_EEPROM 0
-#define I2C_EEPROM_ADRS 0xa0
-#define I2C_CTRL_ADRS I2C_EEPROM_ADRS
-#define EEPROM_ADDR0 0xA2 /* on Dimm SPD eeprom */
-#define EEPROM_ADDR1 0xA4 /* on Board SPD eeprom */
-#define EEPROM_ADDR2 0xD2 /* non-standard eeprom - clock generator */
-/* Control Register */
-#define I2C_CTL_EN 0x80 /* I2C Enable */
-#define I2C_CTL_IEN 0x40 /* I2C Interrupt Enable */
-#define I2C_CTL_STA 0x20 /* Master/Slave Mode select */
-#define I2C_CTL_TX 0x10 /* Transmit/Receive Mode Select */
-#define I2C_CTL_TXAK 0x08 /* Transmit Acknowledge Enable */
-#define I2C_CTL_RSTA 0x04 /* Repeat Start */
-/* Status Register */
-#define I2C_STA_CF 0x80 /* Data Transfer */
-#define I2C_STA_AAS 0x40 /* Adressed As Slave */
-#define I2C_STA_BB 0x20 /* Bus Busy */
-#define I2C_STA_AL 0x10 /* Arbitration Lost */
-#define I2C_STA_SRW 0x04 /* Slave Read/Write */
-#define I2C_STA_IF 0x02 /* I2C Interrupt */
-#define I2C_STA_RXAK 0x01 /* Receive Acknowledge */
-/* Interrupt Contol Register */
-#define I2C_INT_BNBE2 0x80 /* Bus Not Busy Enable 2 */
-#define I2C_INT_TE2 0x40 /* Transmit Enable 2 */
-#define I2C_INT_RE2 0x20 /* Receive Enable 2 */
-#define I2C_INT_IE2 0x10 /* Interrupt Enable 2 */
-#define I2C_INT_BNBE1 0x08 /* Bus Not Busy Enable 1 */
-#define I2C_INT_TE1 0x04 /* Transmit Enable 1 */
-#define I2C_INT_RE1 0x02 /* Receive Enable 1 */
-#define I2C_INT_IE1 0x01 /* Interrupt Enable 1 */
-#define I2C_POLL_COUNT 0x100000
-#define I2C_ENABLE 0x00000001
-#define I2C_DISABLE 0x00000002
-#define I2C_START 0x00000004
-#define I2C_REPSTART 0x00000008
-#define I2C_STOP 0x00000010
-#define I2C_BITRATE 0x00000020
-#define I2C_SLAVEADR 0x00000040
-#define I2C_STARTADR 0x00000080
-#undef TWOBYTES
-typedef struct i2c_settings {
- /* Device settings */
- int bit_rate; /* Device bit rate */
- u8 i2c_adr; /* I2C address */
- u8 slv_adr; /* Slave address */
-#ifdef TWOBYTES
- u16 str_adr; /* Start address */
-#else
- u8 str_adr; /* Start address */
-#endif
- int xfer_size; /* Transfer Size */
-
- int bI2c_en; /* Enable or Disable */
- int cmdFlag; /* I2c Command Flags */
-} i2cset_t;
-
-/*
-int check_status(PSI2C pi2c, u8 sta_bit, u8 truefalse);
-int i2c_enable(PSI2C pi2c, PI2CSET pi2cSet);
-int i2c_disable(PSI2C pi2c);
-int i2c_start(PSI2C pi2c, PI2CSET pi2cSet);
-int i2c_stop(PSI2C pi2c);
-int i2c_clear(PSI2C pi2c);
-int i2c_readblock (PSI2C pi2c, PI2CSET pi2cSet, u8 *Data);
-int i2c_writeblock (PSI2C pi2c, PI2CSET pi2cSet, u8 *Data);
-int i2c_readbyte(PSI2C pi2c, u8 *readb, int *index);
-int i2c_writebyte(PSI2C pi2c, u8 *writeb);
-int SetI2cFDR( PSI2C pi2cRegs, int bitrate );
-*/
-#endif /* __ASSEMBLY__ */
-
-#endif /* __INCi2ccoreh */
diff --git a/cpu/mpc8220/interrupts.c b/cpu/mpc8220/interrupts.c
deleted file mode 100644
index 78e9917..0000000
--- a/cpu/mpc8220/interrupts.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * (C) Copyright -2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2001
- * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
- *
- * 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
- */
-
-/*
- * interrupts.c - just enough support for the decrementer/timer
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <command.h>
-
-int interrupt_init_cpu (ulong * decrementer_count)
-{
- *decrementer_count = get_tbclk () / CONFIG_SYS_HZ;
-
- return (0);
-}
-
-/****************************************************************************/
-
-/*
- * Handle external interrupts
- */
-void external_interrupt (struct pt_regs *regs)
-{
- puts ("external_interrupt (oops!)\n");
-}
-
-void timer_interrupt_cpu (struct pt_regs *regs)
-{
- /* nothing to do here */
- return;
-}
-
-/****************************************************************************/
-
-/*
- * Install and free a interrupt handler.
- */
-
-void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
-{
-
-}
-
-void irq_free_handler (int vec)
-{
-
-}
-
-/****************************************************************************/
-
-void
-do_irqinfo (cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
-{
- puts ("IRQ related functions are unimplemented currently.\n");
-}
diff --git a/cpu/mpc8220/io.S b/cpu/mpc8220/io.S
deleted file mode 100644
index 5ecdf55..0000000
--- a/cpu/mpc8220/io.S
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright (C) 1998 Dan Malek <dmalek@jlc.net>
- * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
- * Copyright (C) 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Andreas Heppel <aheppel@sysgo.de>
- * Copyright (C) 2003 Wolfgang Denk <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 <ppc_asm.tmpl>
-
-/* ------------------------------------------------------------------------------- */
-/* Function: in8 */
-/* Description: Input 8 bits */
-/* ------------------------------------------------------------------------------- */
- .globl in8
-in8:
- lbz r3,0(r3)
- sync
- blr
-
-/* ------------------------------------------------------------------------------- */
-/* Function: in16 */
-/* Description: Input 16 bits */
-/* ------------------------------------------------------------------------------- */
- .globl in16
-in16:
- lhz r3,0(r3)
- sync
- blr
-
-/* ------------------------------------------------------------------------------- */
-/* Function: in16r */
-/* Description: Input 16 bits and byte reverse */
-/* ------------------------------------------------------------------------------- */
- .globl in16r
-in16r:
- lhbrx r3,0,r3
- sync
- blr
-
-/* ------------------------------------------------------------------------------- */
-/* Function: in32 */
-/* Description: Input 32 bits */
-/* ------------------------------------------------------------------------------- */
- .globl in32
-in32:
- lwz 3,0(3)
- sync
- blr
-
-/* ------------------------------------------------------------------------------- */
-/* Function: in32r */
-/* Description: Input 32 bits and byte reverse */
-/* ------------------------------------------------------------------------------- */
- .globl in32r
-in32r:
- lwbrx r3,0,r3
- sync
- blr
-
-/* ------------------------------------------------------------------------------- */
-/* Function: out8 */
-/* Description: Output 8 bits */
-/* ------------------------------------------------------------------------------- */
- .globl out8
-out8:
- stb r4,0(r3)
- sync
- blr
-
-/* ------------------------------------------------------------------------------- */
-/* Function: out16 */
-/* Description: Output 16 bits */
-/* ------------------------------------------------------------------------------- */
- .globl out16
-out16:
- sth r4,0(r3)
- sync
- blr
-
-/* ------------------------------------------------------------------------------- */
-/* Function: out16r */
-/* Description: Byte reverse and output 16 bits */
-/* ------------------------------------------------------------------------------- */
- .globl out16r
-out16r:
- sthbrx r4,0,r3
- sync
- blr
-
-/* ------------------------------------------------------------------------------- */
-/* Function: out32 */
-/* Description: Output 32 bits */
-/* ------------------------------------------------------------------------------- */
- .globl out32
-out32:
- stw r4,0(r3)
- sync
- blr
-
-/* ------------------------------------------------------------------------------- */
-/* Function: out32r */
-/* Description: Byte reverse and output 32 bits */
-/* ------------------------------------------------------------------------------- */
- .globl out32r
-out32r:
- stwbrx r4,0,r3
- sync
- blr
diff --git a/cpu/mpc8220/loadtask.c b/cpu/mpc8220/loadtask.c
deleted file mode 100644
index 6d8b627..0000000
--- a/cpu/mpc8220/loadtask.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * This file is based on code
- * (C) Copyright Motorola, Inc., 2000
- */
-
-#include <common.h>
-#include <mpc8220.h>
-
-/* Multichannel DMA microcode */
-extern int taskTable;
-
-void loadtask (int basetask, int tasks)
-{
- int *sram = (int *) (MMAP_SRAM + 512);
- int *task_org = &taskTable;
- unsigned int start, offset, end;
- int i;
-
-#ifdef DEBUG
- printf ("basetask = %d, tasks = %d\n", basetask, tasks);
- printf ("task_org = 0x%08x\n", (unsigned int) task_org);
-#endif
-
- /* setup TaskBAR register */
- *(vu_long *) MMAP_DMA = (MMAP_SRAM + 512);
-
- /* relocate task table entries */
- offset = (unsigned int) sram;
- for (i = basetask; i < basetask + tasks; i++) {
- sram[i * 8 + 0] = task_org[i * 8 + 0] + offset;
- sram[i * 8 + 1] = task_org[i * 8 + 1] + offset;
- sram[i * 8 + 2] = task_org[i * 8 + 2] + offset;
- sram[i * 8 + 3] = task_org[i * 8 + 3] + offset;
- sram[i * 8 + 4] = task_org[i * 8 + 4];
- sram[i * 8 + 5] = task_org[i * 8 + 5];
- sram[i * 8 + 6] = task_org[i * 8 + 6] + offset;
- sram[i * 8 + 7] = task_org[i * 8 + 7];
- }
-
- /* relocate task descriptors */
- start = (sram[basetask * 8] - (unsigned int) sram);
- end = (sram[(basetask + tasks - 1) * 8 + 1] - (unsigned int) sram);
-
-#ifdef DEBUG
- printf ("TDT start = 0x%08x, end = 0x%08x\n", start, end);
-#endif
-
- start /= 4;
- end /= 4;
- for (i = start; i <= end; i++) {
- sram[i] = task_org[i];
- }
-
- /* relocate variables */
- start = (sram[basetask * 8 + 2] - (unsigned int) sram);
- end = (sram[(basetask + tasks - 1) * 8 + 2] + 256 -
- (unsigned int) sram);
- start /= 4;
- end /= 4;
- for (i = start; i < end; i++) {
- sram[i] = task_org[i];
- }
-
- /* relocate function decriptors */
- start = ((sram[basetask * 8 + 3] & 0xfffffffc) - (unsigned int) sram);
- end = ((sram[(basetask + tasks - 1) * 8 + 3] & 0xfffffffc) + 256 -
- (unsigned int) sram);
- start /= 4;
- end /= 4;
- for (i = start; i < end; i++) {
- sram[i] = task_org[i];
- }
-
- asm volatile ("sync");
-}
diff --git a/cpu/mpc8220/pci.c b/cpu/mpc8220/pci.c
deleted file mode 100644
index 7ef43b7..0000000
--- a/cpu/mpc8220/pci.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * Copyright 2004 Freescale Semiconductor.
- * Copyright (C) 2003 Motorola Inc.
- * Xianghua Xiao (x.xiao@motorola.com)
- *
- * 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
- */
-
-/*
- * PCI Configuration space access support for MPC8220 PCI Bridge
- */
-#include <common.h>
-#include <mpc8220.h>
-#include <pci.h>
-#include <asm/io.h>
-
-#if defined(CONFIG_PCI)
-
-/* System RAM mapped over PCI */
-#define CONFIG_PCI_SYS_MEM_BUS CONFIG_SYS_SDRAM_BASE
-#define CONFIG_PCI_SYS_MEM_PHYS CONFIG_SYS_SDRAM_BASE
-#define CONFIG_PCI_SYS_MEM_SIZE (1024 * 1024 * 1024)
-
-#define cfg_read(val, addr, type, op) *val = op((type)(addr));
-#define cfg_write(val, addr, type, op) op((type *)(addr), (val));
-
-#define PCI_OP(rw, size, type, op, mask) \
-int mpc8220_pci_##rw##_config_##size(struct pci_controller *hose, \
- pci_dev_t dev, int offset, type val) \
-{ \
- u32 addr = 0; \
- u16 cfg_type = 0; \
- addr = ((offset & 0xfc) | cfg_type | (dev) | 0x80000000); \
- out_be32(hose->cfg_addr, addr); \
- __asm__ __volatile__("sync"); \
- cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \
- out_be32(hose->cfg_addr, addr & 0x7fffffff); \
- __asm__ __volatile__("sync"); \
- return 0; \
-}
-
-PCI_OP(read, byte, u8 *, in_8, 3)
-PCI_OP(read, word, u16 *, in_le16, 2)
-PCI_OP(write, byte, u8, out_8, 3)
-PCI_OP(write, word, u16, out_le16, 2)
-PCI_OP(write, dword, u32, out_le32, 0)
-
-int mpc8220_pci_read_config_dword(struct pci_controller *hose, pci_dev_t dev,
- int offset, u32 *val)
-{
- u32 addr;
- u32 tmpv;
- u32 mask = 2; /* word access */
- /* Read lower 16 bits */
- addr = ((offset & 0xfc) | (dev) | 0x80000000);
- out_be32(hose->cfg_addr, addr);
- __asm__ __volatile__("sync");
- *val = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
- out_be32(hose->cfg_addr, addr & 0x7fffffff);
- __asm__ __volatile__("sync");
-
- /* Read upper 16 bits */
- offset += 2;
- addr = ((offset & 0xfc) | 1 | (dev) | 0x80000000);
- out_be32(hose->cfg_addr, addr);
- __asm__ __volatile__("sync");
- tmpv = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
- out_be32(hose->cfg_addr, addr & 0x7fffffff);
- __asm__ __volatile__("sync");
-
- /* combine results into dword value */
- *val = (tmpv << 16) | *val;
-
- return 0;
-}
-
-void
-pci_mpc8220_init(struct pci_controller *hose)
-{
- u32 win0, win1, win2;
- volatile mpc8220_xcpci_t *xcpci =
- (volatile mpc8220_xcpci_t *) MMAP_XCPCI;
-
- volatile pcfg8220_t *portcfg = (volatile pcfg8220_t *) MMAP_PCFG;
-
- win0 = (u32) CONFIG_PCI_MEM_PHYS;
- win1 = (u32) CONFIG_PCI_IO_PHYS;
- win2 = (u32) CONFIG_PCI_CFG_PHYS;
-
- /* Assert PCI reset */
- out_be32 (&xcpci->glb_stat_ctl, PCI_GLB_STAT_CTRL_PR);
-
- /* Disable prefetching but read-multiples will still prefetch */
- out_be32 (&xcpci->target_ctrl, 0x00000000);
-
- /* Initiator windows */
- out_be32 (&xcpci->init_win0, (win0 >> 16) | win0 | 0x003f0000);
- out_be32 (&xcpci->init_win1, ((win1 >> 16) | win1 ));
- out_be32 (&xcpci->init_win2, ((win2 >> 16) | win2 ));
-
- out_be32 (&xcpci->init_win_cfg,
- PCI_INIT_WIN_CFG_WIN0_CTRL_EN |
- PCI_INIT_WIN_CFG_WIN1_CTRL_EN | PCI_INIT_WIN_CFG_WIN1_CTRL_IO |
- PCI_INIT_WIN_CFG_WIN2_CTRL_EN | PCI_INIT_WIN_CFG_WIN2_CTRL_IO);
-
- out_be32 (&xcpci->init_ctrl, 0x00000000);
-
- /* Enable bus master and mem access */
- out_be32 (&xcpci->stat_cmd_reg, PCI_STAT_CMD_B | PCI_STAT_CMD_M);
-
- /* Cache line size and master latency */
- out_be32 (&xcpci->bist_htyp_lat_cshl, (0xf8 << PCI_CFG1_LT_SHIFT));
-
- out_be32 (&xcpci->base0, PCI_BASE_ADDR_REG0); /* 256MB - MBAR space */
- out_be32 (&xcpci->base1, PCI_BASE_ADDR_REG1); /* 1GB - SDRAM space */
-
- out_be32 (&xcpci->target_bar0,
- PCI_TARGET_BASE_ADDR_REG0 | PCI_TARGET_BASE_ADDR_EN);
- out_be32 (&xcpci->target_bar1,
- PCI_TARGET_BASE_ADDR_REG1 | PCI_TARGET_BASE_ADDR_EN);
-
- /* Deassert reset bit */
- out_be32 (&xcpci->glb_stat_ctl, 0x00000000);
-
- /* Enable PCI bus master support */
- /* Set PCIGNT1, PCIREQ1, PCIREQ0/PCIGNTIN, PCIGNT0/PCIREQOUT,
- PCIREQ2, PCIGNT2 */
- out_be32((volatile u32 *)&portcfg->pcfg3,
- (in_be32((volatile u32 *)&portcfg->pcfg3) & 0xFC3FCE7F));
- out_be32((volatile u32 *)&portcfg->pcfg3,
- (in_be32((volatile u32 *)&portcfg->pcfg3) | 0x01400180));
-
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- pci_set_region(hose->regions + 0,
- CONFIG_PCI_MEM_BUS,
- CONFIG_PCI_MEM_PHYS,
- CONFIG_PCI_MEM_SIZE,
- PCI_REGION_MEM);
-
- pci_set_region(hose->regions + 1,
- CONFIG_PCI_IO_BUS,
- CONFIG_PCI_IO_PHYS,
- CONFIG_PCI_IO_SIZE,
- PCI_REGION_IO);
-
- pci_set_region(hose->regions + 2,
- CONFIG_PCI_SYS_MEM_BUS,
- CONFIG_PCI_SYS_MEM_PHYS,
- CONFIG_PCI_SYS_MEM_SIZE,
- PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
-
- hose->region_count = 3;
-
- hose->cfg_addr = &(xcpci->cfg_adr);
- hose->cfg_data = (volatile unsigned char *)CONFIG_PCI_CFG_BUS;
-
- pci_set_ops(hose,
- mpc8220_pci_read_config_byte,
- mpc8220_pci_read_config_word,
- mpc8220_pci_read_config_dword,
- mpc8220_pci_write_config_byte,
- mpc8220_pci_write_config_word,
- mpc8220_pci_write_config_dword);
-
- /* Hose scan */
- pci_register_hose(hose);
- hose->last_busno = pci_hose_scan(hose);
-
- out_be32 (&xcpci->base0, PCI_BASE_ADDR_REG0); /* 256MB - MBAR space */
- out_be32 (&xcpci->base1, PCI_BASE_ADDR_REG1); /* 1GB - SDRAM space */
-}
-
-#endif /* CONFIG_PCI */
diff --git a/cpu/mpc8220/speed.c b/cpu/mpc8220/speed.c
deleted file mode 100644
index 62ac845..0000000
--- a/cpu/mpc8220/speed.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * (C) Copyright 2004, Freescale, Inc
- * TsiChung Liew, Tsi-Chung.Liew@freescale.com.
- *
- * 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 <common.h>
-#include <mpc8220.h>
-#include <asm/processor.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-typedef struct pllmultiplier {
- u8 hid1;
- int multi;
- int vco_div;
-} pllcfg_t;
-
-/* ------------------------------------------------------------------------- */
-
-/*
- *
- */
-
-int get_clocks (void)
-{
- pllcfg_t bus2core[] = {
- {0x02, 2, 8}, /* 1 */
- {0x01, 2, 4},
- {0x0C, 3, 8}, /* 1.5 */
- {0x00, 3, 4},
- {0x18, 3, 2},
- {0x05, 4, 4}, /* 2 */
- {0x04, 4, 2},
- {0x11, 5, 4}, /* 2.5 */
- {0x06, 5, 2},
- {0x10, 6, 4}, /* 3 */
- {0x08, 6, 2},
- {0x0E, 7, 2}, /* 3.5 */
- {0x0A, 8, 2}, /* 4 */
- {0x07, 9, 2}, /* 4.5 */
- {0x0B, 10, 2}, /* 5 */
- {0x09, 11, 2}, /* 5.5 */
- {0x0D, 12, 2}, /* 6 */
- {0x12, 13, 2}, /* 6.5 */
- {0x14, 14, 2}, /* 7 */
- {0x16, 15, 2}, /* 7.5 */
- {0x1C, 16, 2} /* 8 */
- };
- u32 hid1;
- int i, size, pci2bus;
-
-#if !defined(CONFIG_SYS_MPC8220_CLKIN)
-#error clock measuring not implemented yet - define CONFIG_SYS_MPC8220_CLKIN
-#endif
-
- gd->inp_clk = CONFIG_SYS_MPC8220_CLKIN;
-
- /* Read XLB to PCI(INP) clock multiplier */
- pci2bus = (*((volatile u32 *)PCI_REG_PCIGSCR) &
- PCI_REG_PCIGSCR_PCI2XLB_CLK_MASK)>>PCI_REG_PCIGSCR_PCI2XLB_CLK_BIT;
-
- /* XLB bus clock */
- gd->bus_clk = CONFIG_SYS_MPC8220_CLKIN * pci2bus;
-
- /* PCI clock is same as input clock */
- gd->pci_clk = CONFIG_SYS_MPC8220_CLKIN;
-
- /* FlexBus is temporary set as the same as input clock */
- /* will do dynamic in the future */
- gd->flb_clk = CONFIG_SYS_MPC8220_CLKIN;
-
- /* CPU Clock - Read HID1 */
- asm volatile ("mfspr %0, 1009":"=r" (hid1):);
-
- size = sizeof (bus2core) / sizeof (pllcfg_t);
-
- hid1 >>= 27;
-
- for (i = 0; i < size; i++)
- if (hid1 == bus2core[i].hid1) {
- gd->cpu_clk = (bus2core[i].multi * gd->bus_clk) >> 1;
- gd->vco_clk = CONFIG_SYS_MPC8220_SYSPLL_VCO_MULTIPLIER * (gd->pci_clk * bus2core[i].vco_div)/2;
- break;
- }
-
- /* hardcoded 81MHz for now */
- gd->pev_clk = 81000000;
-
- return (0);
-}
-
-int prt_mpc8220_clks (void)
-{
- char buf1[32], buf2[32], buf3[32], buf4[32];
-
- printf (" Bus %s MHz, CPU %s MHz, PCI %s MHz, VCO %s MHz\n",
- strmhz(buf1, gd->bus_clk),
- strmhz(buf2, gd->cpu_clk),
- strmhz(buf3, gd->pci_clk),
- strmhz(buf4, gd->vco_clk)
- );
- return (0);
-}
-
-/* ------------------------------------------------------------------------- */
diff --git a/cpu/mpc8220/start.S b/cpu/mpc8220/start.S
deleted file mode 100644
index e28999d..0000000
--- a/cpu/mpc8220/start.S
+++ /dev/null
@@ -1,750 +0,0 @@
-/*
- * Copyright (C) 1998 Dan Malek <dmalek@jlc.net>
- * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
- * Copyright (C) 2000 - 2003 Wolfgang Denk <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
- */
-
-/*
- * U-Boot - Startup Code for MPC8220 CPUs
- */
-#include <config.h>
-#include <mpc8220.h>
-#include <timestamp.h>
-#include <version.h>
-
-#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */
-
-#include <ppc_asm.tmpl>
-#include <ppc_defs.h>
-
-#include <asm/cache.h>
-#include <asm/mmu.h>
-
-#ifndef CONFIG_IDENT_STRING
-#define CONFIG_IDENT_STRING ""
-#endif
-
-/* We don't want the MMU yet.
-*/
-#undef MSR_KERNEL
-/* Floating Point enable, Machine Check and Recoverable Interr. */
-#ifdef DEBUG
-#define MSR_KERNEL (MSR_FP|MSR_RI)
-#else
-#define MSR_KERNEL (MSR_FP|MSR_ME|MSR_RI)
-#endif
-
-/*
- * Set up GOT: Global Offset Table
- *
- * Use r12 to access the GOT
- */
- START_GOT
- GOT_ENTRY(_GOT2_TABLE_)
- GOT_ENTRY(_FIXUP_TABLE_)
-
- GOT_ENTRY(_start)
- GOT_ENTRY(_start_of_vectors)
- GOT_ENTRY(_end_of_vectors)
- GOT_ENTRY(transfer_to_handler)
-
- GOT_ENTRY(__init_end)
- GOT_ENTRY(_end)
- GOT_ENTRY(__bss_start)
- END_GOT
-
-/*
- * Version string
- */
- .data
- .globl version_string
-version_string:
- .ascii U_BOOT_VERSION
- .ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
- .ascii CONFIG_IDENT_STRING, "\0"
-
-/*
- * Exception vectors
- */
- .text
- . = EXC_OFF_SYS_RESET
- .globl _start
-_start:
- li r21, BOOTFLAG_COLD /* Normal Power-On */
- nop
- b boot_cold
-
- . = EXC_OFF_SYS_RESET + 0x10
-
- .globl _start_warm
-_start_warm:
- li r21, BOOTFLAG_WARM /* Software reboot */
- b boot_warm
-
-boot_cold:
-boot_warm:
- mfmsr r5 /* save msr contents */
-
- /* replace default MBAR base address from 0x80000000
- to 0xf0000000 */
-
-#if defined(CONFIG_SYS_DEFAULT_MBAR) && !defined(CONFIG_SYS_RAMBOOT)
- lis r3, CONFIG_SYS_MBAR@h
- ori r3, r3, CONFIG_SYS_MBAR@l
-
- /* MBAR is mirrored into the MBAR SPR */
- mtspr MBAR,r3
- mtspr SPRN_SPRG7W,r3
- lis r4, CONFIG_SYS_DEFAULT_MBAR@h
- stw r3, 0(r4)
-#endif /* CONFIG_SYS_DEFAULT_MBAR */
-
- /* Initialise the MPC8220 processor core */
- /*--------------------------------------------------------------*/
-
- bl init_8220_core
-
- /* initialize some things that are hard to access from C */
- /*--------------------------------------------------------------*/
-
- /* set up stack in on-chip SRAM */
- lis r3, CONFIG_SYS_INIT_RAM_ADDR@h
- ori r3, r3, CONFIG_SYS_INIT_RAM_ADDR@l
- ori r1, r3, CONFIG_SYS_INIT_SP_OFFSET
-
- li r0, 0 /* Make room for stack frame header and */
- stwu r0, -4(r1) /* clear final stack frame so that */
- stwu r0, -4(r1) /* stack backtraces terminate cleanly */
-
- /* let the C-code set up the rest */
- /* */
- /* Be careful to keep code relocatable ! */
- /*--------------------------------------------------------------*/
-
- GET_GOT /* initialize GOT access */
-
- /* r3: IMMR */
- bl cpu_init_f /* run low-level CPU init code (in Flash)*/
-
- mr r3, r21
- /* r3: BOOTFLAG */
- bl board_init_f /* run 1st part of board init code (in Flash)*/
-
-/*
- * Vector Table
- */
-
- .globl _start_of_vectors
-_start_of_vectors:
-
-/* Machine check */
- STD_EXCEPTION(0x200, MachineCheck, MachineCheckException)
-
-/* Data Storage exception. */
- STD_EXCEPTION(0x300, DataStorage, UnknownException)
-
-/* Instruction Storage exception. */
- STD_EXCEPTION(0x400, InstStorage, UnknownException)
-
-/* External Interrupt exception. */
- STD_EXCEPTION(0x500, ExtInterrupt, external_interrupt)
-
-/* Alignment exception. */
- . = 0x600
-Alignment:
- EXCEPTION_PROLOG(SRR0, SRR1)
- mfspr r4,DAR
- stw r4,_DAR(r21)
- mfspr r5,DSISR
- stw r5,_DSISR(r21)
- addi r3,r1,STACK_FRAME_OVERHEAD
- EXC_XFER_TEMPLATE(Alignment, AlignmentException, MSR_KERNEL, COPY_EE)
-
-/* Program check exception */
- . = 0x700
-ProgramCheck:
- EXCEPTION_PROLOG(SRR0, SRR1)
- addi r3,r1,STACK_FRAME_OVERHEAD
- EXC_XFER_TEMPLATE(ProgramCheck, ProgramCheckException,
- MSR_KERNEL, COPY_EE)
-
- STD_EXCEPTION(0x800, FPUnavailable, UnknownException)
-
- /* I guess we could implement decrementer, and may have
- * to someday for timekeeping.
- */
- STD_EXCEPTION(0x900, Decrementer, timer_interrupt)
-
- STD_EXCEPTION(0xa00, Trap_0a, UnknownException)
- STD_EXCEPTION(0xb00, Trap_0b, UnknownException)
- STD_EXCEPTION(0xc00, SystemCall, UnknownException)
- STD_EXCEPTION(0xd00, SingleStep, UnknownException)
-
- STD_EXCEPTION(0xe00, Trap_0e, UnknownException)
- STD_EXCEPTION(0xf00, Trap_0f, UnknownException)
-
- STD_EXCEPTION(0x1000, InstructionTLBMiss, UnknownException)
- STD_EXCEPTION(0x1100, DataLoadTLBMiss, UnknownException)
- STD_EXCEPTION(0x1200, DataStoreTLBMiss, UnknownException)
-#ifdef DEBUG
- . = 0x1300
- /*
- * This exception occurs when the program counter matches the
- * Instruction Address Breakpoint Register (IABR).
- *
- * I want the cpu to halt if this occurs so I can hunt around
- * with the debugger and look at things.
- *
- * When DEBUG is defined, both machine check enable (in the MSR)
- * and checkstop reset enable (in the reset mode register) are
- * turned off and so a checkstop condition will result in the cpu
- * halting.
- *
- * I force the cpu into a checkstop condition by putting an illegal
- * instruction here (at least this is the theory).
- *
- * well - that didnt work, so just do an infinite loop!
- */
-1: b 1b
-#else
- STD_EXCEPTION(0x1300, InstructionBreakpoint, DebugException)
-#endif
- STD_EXCEPTION(0x1400, SMI, UnknownException)
-
- STD_EXCEPTION(0x1500, Trap_15, UnknownException)
- STD_EXCEPTION(0x1600, Trap_16, UnknownException)
- STD_EXCEPTION(0x1700, Trap_17, UnknownException)
- STD_EXCEPTION(0x1800, Trap_18, UnknownException)
- STD_EXCEPTION(0x1900, Trap_19, UnknownException)
- STD_EXCEPTION(0x1a00, Trap_1a, UnknownException)
- STD_EXCEPTION(0x1b00, Trap_1b, UnknownException)
- STD_EXCEPTION(0x1c00, Trap_1c, UnknownException)
- STD_EXCEPTION(0x1d00, Trap_1d, UnknownException)
- STD_EXCEPTION(0x1e00, Trap_1e, UnknownException)
- STD_EXCEPTION(0x1f00, Trap_1f, UnknownException)
- STD_EXCEPTION(0x2000, Trap_20, UnknownException)
- STD_EXCEPTION(0x2100, Trap_21, UnknownException)
- STD_EXCEPTION(0x2200, Trap_22, UnknownException)
- STD_EXCEPTION(0x2300, Trap_23, UnknownException)
- STD_EXCEPTION(0x2400, Trap_24, UnknownException)
- STD_EXCEPTION(0x2500, Trap_25, UnknownException)
- STD_EXCEPTION(0x2600, Trap_26, UnknownException)
- STD_EXCEPTION(0x2700, Trap_27, UnknownException)
- STD_EXCEPTION(0x2800, Trap_28, UnknownException)
- STD_EXCEPTION(0x2900, Trap_29, UnknownException)
- STD_EXCEPTION(0x2a00, Trap_2a, UnknownException)
- STD_EXCEPTION(0x2b00, Trap_2b, UnknownException)
- STD_EXCEPTION(0x2c00, Trap_2c, UnknownException)
- STD_EXCEPTION(0x2d00, Trap_2d, UnknownException)
- STD_EXCEPTION(0x2e00, Trap_2e, UnknownException)
- STD_EXCEPTION(0x2f00, Trap_2f, UnknownException)
-
-
- .globl _end_of_vectors
-_end_of_vectors:
-
- . = 0x3000
-
-/*
- * This code finishes saving the registers to the exception frame
- * and jumps to the appropriate handler for the exception.
- * Register r21 is pointer into trap frame, r1 has new stack pointer.
- */
- .globl transfer_to_handler
-transfer_to_handler:
- stw r22,_NIP(r21)
- lis r22,MSR_POW@h
- andc r23,r23,r22
- stw r23,_MSR(r21)
- SAVE_GPR(7, r21)
- SAVE_4GPRS(8, r21)
- SAVE_8GPRS(12, r21)
- SAVE_8GPRS(24, r21)
- mflr r23
- andi. r24,r23,0x3f00 /* get vector offset */
- stw r24,TRAP(r21)
- li r22,0
- stw r22,RESULT(r21)
- lwz r24,0(r23) /* virtual address of handler */
- lwz r23,4(r23) /* where to go when done */
- mtspr SRR0,r24
- mtspr SRR1,r20
- mtlr r23
- SYNC
- rfi /* jump to handler, enable MMU */
-
-int_return:
- mfmsr r28 /* Disable interrupts */
- li r4,0
- ori r4,r4,MSR_EE
- andc r28,r28,r4
- SYNC /* Some chip revs need this... */
- mtmsr r28
- SYNC
- lwz r2,_CTR(r1)
- lwz r0,_LINK(r1)
- mtctr r2
- mtlr r0
- lwz r2,_XER(r1)
- lwz r0,_CCR(r1)
- mtspr XER,r2
- mtcrf 0xFF,r0
- REST_10GPRS(3, r1)
- REST_10GPRS(13, r1)
- REST_8GPRS(23, r1)
- REST_GPR(31, r1)
- lwz r2,_NIP(r1) /* Restore environment */
- lwz r0,_MSR(r1)
- mtspr SRR0,r2
- mtspr SRR1,r0
- lwz r0,GPR0(r1)
- lwz r2,GPR2(r1)
- lwz r1,GPR1(r1)
- SYNC
- rfi
-
-/*
- * This code initialises the MPC8220 processor core
- * (conforms to PowerPC 603e spec)
- * Note: expects original MSR contents to be in r5.
- */
-
- .globl init_8220_core
-init_8220_core:
-
- /* Initialize machine status; enable machine check interrupt */
- /*--------------------------------------------------------------*/
-
- li r3, MSR_KERNEL /* Set ME and RI flags */
- rlwimi r3, r5, 0, 25, 25 /* preserve IP bit set by HRCW */
-#ifdef DEBUG
- rlwimi r3, r5, 0, 21, 22 /* debugger might set SE & BE bits */
-#endif
- SYNC /* Some chip revs need this... */
- mtmsr r3
- SYNC
- mtspr SRR1, r3 /* Make SRR1 match MSR */
-
- /* Initialize the Hardware Implementation-dependent Registers */
- /* HID0 also contains cache control */
- /*--------------------------------------------------------------*/
-
- lis r3, CONFIG_SYS_HID0_INIT@h
- ori r3, r3, CONFIG_SYS_HID0_INIT@l
- SYNC
- mtspr HID0, r3
-
- lis r3, CONFIG_SYS_HID0_FINAL@h
- ori r3, r3, CONFIG_SYS_HID0_FINAL@l
- SYNC
- mtspr HID0, r3
-
- /* Enable Extra BATs */
- mfspr r3, 1011 /* HID2 */
- lis r4, 0x0004
- ori r4, r4, 0x0000
- or r4, r4, r3
- mtspr 1011, r4
- sync
-
- /* clear all BAT's */
- /*--------------------------------------------------------------*/
-
- li r0, 0
- mtspr DBAT0U, r0
- mtspr DBAT0L, r0
- mtspr DBAT1U, r0
- mtspr DBAT1L, r0
- mtspr DBAT2U, r0
- mtspr DBAT2L, r0
- mtspr DBAT3U, r0
- mtspr DBAT3L, r0
- mtspr DBAT4U, r0
- mtspr DBAT4L, r0
- mtspr DBAT5U, r0
- mtspr DBAT5L, r0
- mtspr DBAT6U, r0
- mtspr DBAT6L, r0
- mtspr DBAT7U, r0
- mtspr DBAT7L, r0
- mtspr IBAT0U, r0
- mtspr IBAT0L, r0
- mtspr IBAT1U, r0
- mtspr IBAT1L, r0
- mtspr IBAT2U, r0
- mtspr IBAT2L, r0
- mtspr IBAT3U, r0
- mtspr IBAT3L, r0
- mtspr IBAT4U, r0
- mtspr IBAT4L, r0
- mtspr IBAT5U, r0
- mtspr IBAT5L, r0
- mtspr IBAT6U, r0
- mtspr IBAT6L, r0
- mtspr IBAT7U, r0
- mtspr IBAT7L, r0
- SYNC
-
- /* invalidate all tlb's */
- /* */
- /* From the 603e User Manual: "The 603e provides the ability to */
- /* invalidate a TLB entry. The TLB Invalidate Entry (tlbie) */
- /* instruction invalidates the TLB entry indexed by the EA, and */
- /* operates on both the instruction and data TLBs simultaneously*/
- /* invalidating four TLB entries (both sets in each TLB). The */
- /* index corresponds to bits 15-19 of the EA. To invalidate all */
- /* entries within both TLBs, 32 tlbie instructions should be */
- /* issued, incrementing this field by one each time." */
- /* */
- /* "Note that the tlbia instruction is not implemented on the */
- /* 603e." */
- /* */
- /* bits 15-19 correspond to addresses 0x00000000 to 0x0001F000 */
- /* incrementing by 0x1000 each time. The code below is sort of */
- /* based on code in "flush_tlbs" from arch/ppc/kernel/head.S */
- /* */
- /*--------------------------------------------------------------*/
-
- li r3, 32
- mtctr r3
- li r3, 0
-1: tlbie r3
- addi r3, r3, 0x1000
- bdnz 1b
- SYNC
-
- /* Done! */
- /*--------------------------------------------------------------*/
-
- blr
-
-/* Cache functions.
- *
- * Note: requires that all cache bits in
- * HID0 are in the low half word.
- */
- .globl icache_enable
-icache_enable:
- lis r4, 0
- ori r4, r4, CONFIG_SYS_HID0_INIT /* set ICE & ICFI bit */
- rlwinm r3, r4, 0, 21, 19 /* clear the ICFI bit */
-
- /*
- * The setting of the instruction cache enable (ICE) bit must be
- * preceded by an isync instruction to prevent the cache from being
- * enabled or disabled while an instruction access is in progress.
- */
- isync
- mtspr HID0, r4 /* Enable Instr Cache & Inval cache */
- mtspr HID0, r3 /* using 2 consec instructions */
- isync
- blr
-
- .globl icache_disable
-icache_disable:
- mfspr r3, HID0
- rlwinm r3, r3, 0, 17, 15 /* clear the ICE bit */
- mtspr HID0, r3
- isync
- blr
-
- .globl icache_status
-icache_status:
- mfspr r3, HID0
- rlwinm r3, r3, HID0_ICE_BITPOS + 1, 31, 31
- blr
-
- .globl dcache_enable
-dcache_enable:
- lis r4, 0
- ori r4, r4, HID0_DCE|HID0_DCFI /* set DCE & DCFI bit */
- rlwinm r3, r4, 0, 22, 20 /* clear the DCFI bit */
-
- /* Enable address translation in MSR bit */
- mfmsr r5
- ori r5, r5, 0x
-
-
- /*
- * The setting of the instruction cache enable (ICE) bit must be
- * preceded by an isync instruction to prevent the cache from being
- * enabled or disabled while an instruction access is in progress.
- */
- isync
- mtspr HID0, r4 /* Enable Data Cache & Inval cache*/
- mtspr HID0, r3 /* using 2 consec instructions */
- isync
- blr
-
- .globl dcache_disable
-dcache_disable:
- mfspr r3, HID0
- rlwinm r3, r3, 0, 18, 16 /* clear the DCE bit */
- mtspr HID0, r3
- isync
- blr
-
- .globl dcache_status
-dcache_status:
- mfspr r3, HID0
- rlwinm r3, r3, HID0_DCE_BITPOS + 1, 31, 31
- blr
-
- .globl get_pvr
-get_pvr:
- mfspr r3, PVR
- blr
-
-/*------------------------------------------------------------------------------*/
-
-/*
- * void relocate_code (addr_sp, gd, addr_moni)
- *
- * This "function" does not return, instead it continues in RAM
- * after relocating the monitor code.
- *
- * r3 = dest
- * r4 = src
- * r5 = length in bytes
- * r6 = cachelinesize
- */
- .globl relocate_code
-relocate_code:
- mr r1, r3 /* Set new stack pointer */
- mr r9, r4 /* Save copy of Global Data pointer */
- mr r10, r5 /* Save copy of Destination Address */
-
- GET_GOT
- mr r3, r5 /* Destination Address */
- lis r4, CONFIG_SYS_MONITOR_BASE@h /* Source Address */
- ori r4, r4, CONFIG_SYS_MONITOR_BASE@l
- lwz r5, GOT(__init_end)
- sub r5, r5, r4
- li r6, CONFIG_SYS_CACHELINE_SIZE /* Cache Line Size */
-
- /*
- * Fix GOT pointer:
- *
- * New GOT-PTR = (old GOT-PTR - CONFIG_SYS_MONITOR_BASE) + Destination Address
- *
- * Offset:
- */
- sub r15, r10, r4
-
- /* First our own GOT */
- add r12, r12, r15
- /* then the one used by the C code */
- add r30, r30, r15
-
- /*
- * Now relocate code
- */
-
- cmplw cr1,r3,r4
- addi r0,r5,3
- srwi. r0,r0,2
- beq cr1,4f /* In place copy is not necessary */
- beq 7f /* Protect against 0 count */
- mtctr r0
- bge cr1,2f
-
- la r8,-4(r4)
- la r7,-4(r3)
-1: lwzu r0,4(r8)
- stwu r0,4(r7)
- bdnz 1b
- b 4f
-
-2: slwi r0,r0,2
- add r8,r4,r0
- add r7,r3,r0
-3: lwzu r0,-4(r8)
- stwu r0,-4(r7)
- bdnz 3b
-
-/*
- * Now flush the cache: note that we must start from a cache aligned
- * address. Otherwise we might miss one cache line.
- */
-4: cmpwi r6,0
- add r5,r3,r5
- beq 7f /* Always flush prefetch queue in any case */
- subi r0,r6,1
- andc r3,r3,r0
- mfspr r7,HID0 /* don't do dcbst if dcache is disabled */
- rlwinm r7,r7,HID0_DCE_BITPOS+1,31,31
- cmpwi r7,0
- beq 9f
- mr r4,r3
-5: dcbst 0,r4
- add r4,r4,r6
- cmplw r4,r5
- blt 5b
- sync /* Wait for all dcbst to complete on bus */
-9: mfspr r7,HID0 /* don't do icbi if icache is disabled */
- rlwinm r7,r7,HID0_ICE_BITPOS+1,31,31
- cmpwi r7,0
- beq 7f
- mr r4,r3
-6: icbi 0,r4
- add r4,r4,r6
- cmplw r4,r5
- blt 6b
-7: sync /* Wait for all icbi to complete on bus */
- isync
-
-/*
- * We are done. Do not return, instead branch to second part of board
- * initialization, now running from RAM.
- */
-
- addi r0, r10, in_ram - _start + EXC_OFF_SYS_RESET
- mtlr r0
- blr
-
-in_ram:
-
- /*
- * Relocation Function, r12 point to got2+0x8000
- *
- * Adjust got2 pointers, no need to check for 0, this code
- * already puts a few entries in the table.
- */
- li r0,__got2_entries@sectoff@l
- la r3,GOT(_GOT2_TABLE_)
- lwz r11,GOT(_GOT2_TABLE_)
- mtctr r0
- sub r11,r3,r11
- addi r3,r3,-4
-1: lwzu r0,4(r3)
- cmpwi r0,0
- beq- 2f
- add r0,r0,r11
- stw r0,0(r3)
-2: bdnz 1b
-
- /*
- * Now adjust the fixups and the pointers to the fixups
- * in case we need to move ourselves again.
- */
- li r0,__fixup_entries@sectoff@l
- lwz r3,GOT(_FIXUP_TABLE_)
- cmpwi r0,0
- mtctr r0
- addi r3,r3,-4
- beq 4f
-3: lwzu r4,4(r3)
- lwzux r0,r4,r11
- add r0,r0,r11
- stw r10,0(r3)
- stw r0,0(r4)
- bdnz 3b
-4:
-clear_bss:
- /*
- * Now clear BSS segment
- */
- lwz r3,GOT(__bss_start)
- lwz r4,GOT(_end)
-
- cmplw 0, r3, r4
- beq 6f
-
- li r0, 0
-5:
- stw r0, 0(r3)
- addi r3, r3, 4
- cmplw 0, r3, r4
- bne 5b
-6:
-
- mr r3, r9 /* Global Data pointer */
- mr r4, r10 /* Destination Address */
- bl board_init_r
-
- /*
- * Copy exception vector code to low memory
- *
- * r3: dest_addr
- * r7: source address, r8: end address, r9: target address
- */
- .globl trap_init
-trap_init:
- mflr r4 /* save link register */
- GET_GOT
- lwz r7, GOT(_start)
- lwz r8, GOT(_end_of_vectors)
-
- li r9, 0x100 /* reset vector always at 0x100 */
-
- cmplw 0, r7, r8
- bgelr /* return if r7>=r8 - just in case */
-1:
- lwz r0, 0(r7)
- stw r0, 0(r9)
- addi r7, r7, 4
- addi r9, r9, 4
- cmplw 0, r7, r8
- bne 1b
-
- /*
- * relocate `hdlr' and `int_return' entries
- */
- li r7, .L_MachineCheck - _start + EXC_OFF_SYS_RESET
- li r8, Alignment - _start + EXC_OFF_SYS_RESET
-2:
- bl trap_reloc
- addi r7, r7, 0x100 /* next exception vector */
- cmplw 0, r7, r8
- blt 2b
-
- li r7, .L_Alignment - _start + EXC_OFF_SYS_RESET
- bl trap_reloc
-
- li r7, .L_ProgramCheck - _start + EXC_OFF_SYS_RESET
- bl trap_reloc
-
- li r7, .L_FPUnavailable - _start + EXC_OFF_SYS_RESET
- li r8, SystemCall - _start + EXC_OFF_SYS_RESET
-3:
- bl trap_reloc
- addi r7, r7, 0x100 /* next exception vector */
- cmplw 0, r7, r8
- blt 3b
-
- li r7, .L_SingleStep - _start + EXC_OFF_SYS_RESET
- li r8, _end_of_vectors - _start + EXC_OFF_SYS_RESET
-4:
- bl trap_reloc
- addi r7, r7, 0x100 /* next exception vector */
- cmplw 0, r7, r8
- blt 4b
-
- mfmsr r3 /* now that the vectors have */
- lis r7, MSR_IP@h /* relocated into low memory */
- ori r7, r7, MSR_IP@l /* MSR[IP] can be turned off */
- andc r3, r3, r7 /* (if it was on) */
- SYNC /* Some chip revs need this... */
- mtmsr r3
- SYNC
-
- mtlr r4 /* restore link register */
- blr
diff --git a/cpu/mpc8220/traps.c b/cpu/mpc8220/traps.c
deleted file mode 100644
index 4565780..0000000
--- a/cpu/mpc8220/traps.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * linux/arch/ppc/kernel/traps.c
- *
- * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Modified by Cort Dougan (cort@cs.nmt.edu)
- * and Paul Mackerras (paulus@cs.anu.edu.au)
- * fixed Machine Check Reasons by Reinhard Meyer (r.meyer@emk-elektronik.de)
- *
- * (C) Copyright 2000-2003
- * 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
- */
-
-/*
- * This file handles the architecture-dependent parts of hardware exceptions
- */
-
-#include <common.h>
-#include <command.h>
-#include <kgdb.h>
-#include <asm/processor.h>
-
-/* Returns 0 if exception not found and fixup otherwise. */
-extern unsigned long search_exception_table (unsigned long);
-
-/* THIS NEEDS CHANGING to use the board info structure.
-*/
-#define END_OF_MEM 0x02000000
-
-/*
- * Trap & Exception support
- */
-
-void print_backtrace (unsigned long *sp)
-{
- int cnt = 0;
- unsigned long i;
-
- printf ("Call backtrace: ");
- while (sp) {
- if ((uint) sp > END_OF_MEM)
- break;
-
- i = sp[1];
- if (cnt++ % 7 == 0)
- printf ("\n");
- printf ("%08lX ", i);
- if (cnt > 32)
- break;
- sp = (unsigned long *) *sp;
- }
- printf ("\n");
-}
-
-void show_regs (struct pt_regs *regs)
-{
- int i;
-
- printf ("NIP: %08lX XER: %08lX LR: %08lX REGS: %p TRAP: %04lx DAR: %08lX\n",
- regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);
- printf ("MSR: %08lx EE: %01x PR: %01x FP: %01x ME: %01x IR/DR: %01x%01x\n",
- regs->msr,
- regs->msr & MSR_EE ? 1 : 0, regs->msr & MSR_PR ? 1 : 0,
- regs->msr & MSR_FP ? 1 : 0, regs->msr & MSR_ME ? 1 : 0,
- regs->msr & MSR_IR ? 1 : 0, regs->msr & MSR_DR ? 1 : 0);
-
- printf ("\n");
- for (i = 0; i < 32; i++) {
- if ((i % 8) == 0) {
- printf ("GPR%02d: ", i);
- }
-
- printf ("%08lX ", regs->gpr[i]);
- if ((i % 8) == 7) {
- printf ("\n");
- }
- }
-}
-
-
-void _exception (int signr, struct pt_regs *regs)
-{
- show_regs (regs);
- print_backtrace ((unsigned long *) regs->gpr[1]);
- panic ("Exception in kernel pc %lx signal %d", regs->nip, signr);
-}
-
-void MachineCheckException (struct pt_regs *regs)
-{
- unsigned long fixup;
-
- /* Probing PCI using config cycles cause this exception
- * when a device is not present. Catch it and return to
- * the PCI exception handler.
- */
- if ((fixup = search_exception_table (regs->nip)) != 0) {
- regs->nip = fixup;
- return;
- }
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
- return;
-#endif
-
- printf ("Machine check in kernel mode.\n");
- printf ("Caused by (from msr): ");
- printf ("regs %p ", regs);
- /* refer to 603e Manual (MPC603EUM/AD), chapter 4.5.2.1 */
- switch (regs->msr & 0x000F0000) {
- case (0x80000000 >> 12):
- printf ("Machine check signal - probably due to mm fault\n"
- "with mmu off\n");
- break;
- case (0x80000000 >> 13):
- printf ("Transfer error ack signal\n");
- break;
- case (0x80000000 >> 14):
- printf ("Data parity signal\n");
- break;
- case (0x80000000 >> 15):
- printf ("Address parity signal\n");
- break;
- default:
- printf ("Unknown values in msr\n");
- }
- show_regs (regs);
- print_backtrace ((unsigned long *) regs->gpr[1]);
- panic ("machine check");
-}
-
-void AlignmentException (struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
- return;
-#endif
- show_regs (regs);
- print_backtrace ((unsigned long *) regs->gpr[1]);
- panic ("Alignment Exception");
-}
-
-void ProgramCheckException (struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
- return;
-#endif
- show_regs (regs);
- print_backtrace ((unsigned long *) regs->gpr[1]);
- panic ("Program Check Exception");
-}
-
-void SoftEmuException (struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
- return;
-#endif
- show_regs (regs);
- print_backtrace ((unsigned long *) regs->gpr[1]);
- panic ("Software Emulation Exception");
-}
-
-
-void UnknownException (struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
- return;
-#endif
- printf ("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
- regs->nip, regs->msr, regs->trap);
- _exception (0, regs);
-}
-
-#if defined(CONFIG_CMD_BEDBUG)
-extern void do_bedbug_breakpoint (struct pt_regs *);
-#endif
-
-void DebugException (struct pt_regs *regs)
-{
-
- printf ("Debugger trap at @ %lx\n", regs->nip);
- show_regs (regs);
-#if defined(CONFIG_CMD_BEDBUG)
- do_bedbug_breakpoint (regs);
-#endif
-}
-
-/* Probe an address by reading. If not present, return -1, otherwise
- * return 0.
- */
-int addr_probe (uint * addr)
-{
-#if 0
- int retval;
-
- __asm__ __volatile__ ("1: lwz %0,0(%1)\n"
- " eieio\n"
- " li %0,0\n"
- "2:\n"
- ".section .fixup,\"ax\"\n"
- "3: li %0,-1\n"
- " b 2b\n"
- ".section __ex_table,\"a\"\n"
- " .align 2\n"
- " .long 1b,3b\n"
- ".text":"=r" (retval):"r" (addr));
-
- return (retval);
-#endif
- return 0;
-}
diff --git a/cpu/mpc8220/u-boot.lds b/cpu/mpc8220/u-boot.lds
deleted file mode 100644
index 4400e60..0000000
--- a/cpu/mpc8220/u-boot.lds
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * (C) Copyright 2003-2004
- * 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
- */
-
-OUTPUT_ARCH(powerpc)
-/* Do we need any of these for elf?
- __DYNAMIC = 0; */
-SECTIONS
-{
- /* Read-only sections, merged into text segment: */
- . = + SIZEOF_HEADERS;
- .interp : { *(.interp) }
- .hash : { *(.hash) }
- .dynsym : { *(.dynsym) }
- .dynstr : { *(.dynstr) }
- .rel.text : { *(.rel.text) }
- .rela.text : { *(.rela.text) }
- .rel.data : { *(.rel.data) }
- .rela.data : { *(.rela.data) }
- .rel.rodata : { *(.rel.rodata) }
- .rela.rodata : { *(.rela.rodata) }
- .rel.got : { *(.rel.got) }
- .rela.got : { *(.rela.got) }
- .rel.ctors : { *(.rel.ctors) }
- .rela.ctors : { *(.rela.ctors) }
- .rel.dtors : { *(.rel.dtors) }
- .rela.dtors : { *(.rela.dtors) }
- .rel.bss : { *(.rel.bss) }
- .rela.bss : { *(.rela.bss) }
- .rel.plt : { *(.rel.plt) }
- .rela.plt : { *(.rela.plt) }
- .init : { *(.init) }
- .plt : { *(.plt) }
- .text :
- {
- cpu/mpc8220/start.o (.text)
- *(.text)
- *(.got1)
- . = ALIGN(16);
- *(.eh_frame)
- *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
- }
- .fini : { *(.fini) } =0
- .ctors : { *(.ctors) }
- .dtors : { *(.dtors) }
-
- /* Read-write section, merged into data segment: */
- . = (. + 0x0FFF) & 0xFFFFF000;
- _erotext = .;
- PROVIDE (erotext = .);
- .reloc :
- {
- *(.got)
- _GOT2_TABLE_ = .;
- *(.got2)
- _FIXUP_TABLE_ = .;
- *(.fixup)
- }
- __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
- __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
-
- .data :
- {
- *(.data)
- *(.data1)
- *(.sdata)
- *(.sdata2)
- *(.dynamic)
- CONSTRUCTORS
- }
- _edata = .;
- PROVIDE (edata = .);
-
- . = .;
- __u_boot_cmd_start = .;
- .u_boot_cmd : { *(.u_boot_cmd) }
- __u_boot_cmd_end = .;
-
-
- . = .;
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
-
- . = ALIGN(4096);
- __init_begin = .;
- .text.init : { *(.text.init) }
- .data.init : { *(.data.init) }
- . = ALIGN(4096);
- __init_end = .;
-
- __bss_start = .;
- .bss (NOLOAD) :
- {
- *(.sbss) *(.scommon)
- *(.dynbss)
- *(.bss)
- *(COMMON)
- . = ALIGN(4);
- }
- _end = . ;
- PROVIDE (end = .);
-}
diff --git a/cpu/mpc8220/uart.c b/cpu/mpc8220/uart.c
deleted file mode 100644
index 0c4b536..0000000
--- a/cpu/mpc8220/uart.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * (C) Copyright 2004, Freescale, Inc
- * TsiChung Liew, Tsi-Chung.Liew@freescale.com.
- *
- * 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
- *
- */
-
-/*
- * Minimal serial functions needed to use one of the PSC ports
- * as serial console interface.
- */
-
-#include <common.h>
-#include <mpc8220.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define PSC_BASE MMAP_PSC1
-
-#if defined(CONFIG_PSC_CONSOLE)
-int serial_init (void)
-{
- volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
- u32 counter;
-
- /* write to SICR: SIM2 = uart mode,dcd does not affect rx */
- psc->cr = 0;
- psc->ipcr_acr = 0;
- psc->isr_imr = 0;
-
- /* write to CSR: RX/TX baud rate from timers */
- psc->sr_csr = 0xdd000000;
-
- psc->mr1_2 = PSC_MR1_BITS_CHAR_8 | PSC_MR1_NO_PARITY | PSC_MR2_STOP_BITS_1;
-
- /* Setting up BaudRate */
- counter = ((gd->bus_clk / gd->baudrate)) >> 5;
- counter++;
-
- /* write to CTUR: divide counter upper byte */
- psc->ctur = ((counter & 0xff00) << 16);
- /* write to CTLR: divide counter lower byte */
- psc->ctlr = ((counter & 0x00ff) << 24);
-
- psc->cr = PSC_CR_RST_RX_CMD;
- psc->cr = PSC_CR_RST_TX_CMD;
- psc->cr = PSC_CR_RST_ERR_STS_CMD;
- psc->cr = PSC_CR_RST_BRK_INT_CMD;
- psc->cr = PSC_CR_RST_MR_PTR_CMD;
-
- psc->cr = PSC_CR_RX_ENABLE | PSC_CR_TX_ENABLE;
- return (0);
-}
-
-void serial_putc (const char c)
-{
- volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
-
- if (c == '\n')
- serial_putc ('\r');
-
- /* Wait for last character to go. */
- while (!(psc->sr_csr & PSC_SR_TXRDY));
-
- psc->xmitbuf[0] = c;
-}
-
-void serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-
-int serial_getc (void)
-{
- volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
-
- /* Wait for a character to arrive. */
- while (!(psc->sr_csr & PSC_SR_RXRDY));
- return psc->xmitbuf[2];
-}
-
-int serial_tstc (void)
-{
- volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
-
- return (psc->sr_csr & PSC_SR_RXRDY);
-}
-
-void serial_setbrg (void)
-{
- volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
- u32 counter;
-
- counter = ((gd->bus_clk / gd->baudrate)) >> 5;
- counter++;
-
- /* write to CTUR: divide counter upper byte */
- psc->ctur = ((counter & 0xff00) << 16);
- /* write to CTLR: divide counter lower byte */
- psc->ctlr = ((counter & 0x00ff) << 24);
-
- psc->cr = PSC_CR_RST_RX_CMD;
- psc->cr = PSC_CR_RST_TX_CMD;
-
- psc->cr = PSC_CR_RX_ENABLE | PSC_CR_TX_ENABLE;
-}
-#endif /* CONFIG_PSC_CONSOLE */
generated by cgit v1.1 at 2024-12-21 17:00:03 +0000