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Merge branch 'master' of git://git.denx.de/u-boot-coldfire

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This commit is contained in:
Wolfgang Denk
2008-11-09 00:01:42 +01:00
parent a80b21d512 e4f69d1bd2
commit c06d9bbbeb
106 changed files with 4333 additions and 7699 deletions
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2
cpu/mcf5227x/Makefile
View File

@@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk
LIB = lib$(CPU).a
START = start.o
COBJS = cpu.o speed.o cpu_init.o interrupts.o
COBJS = cpu.o speed.o cpu_init.o interrupts.o dspi.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))

10
cpu/mcf5227x/cpu.c
View File

@@ -65,12 +65,12 @@ int checkcpu(void)
printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
ver);
printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n",
strmhz(buf1, gd->cpu_clk)),
strmhz(buf2, gd->bus_clk)),
strmhz(buf3, gd->flb_clk)));
strmhz(buf1, gd->cpu_clk),
strmhz(buf2, gd->bus_clk),
strmhz(buf3, gd->flb_clk));
printf(" INP CLK %s MHz VCO CLK %s MHz\n",
strmhz(buf1, gd->inp_clk)),
strmhz(buf2, gd->vco_clk)));
strmhz(buf1, gd->inp_clk),
strmhz(buf2, gd->vco_clk));
}
return 0;

20
cpu/mcf5227x/cpu_init.c
View File

@@ -45,6 +45,7 @@ void cpu_init_f(void)
volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
#if !defined(CONFIG_CF_SBF)
/* Workaround, must place before fbcs */
pll->psr = 0x12;
@@ -58,37 +59,44 @@ void cpu_init_f(void)
scm1->pacrg = 0;
scm1->pacri = 0;
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL))
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
&& defined(CONFIG_SYS_CS0_CTRL))
fbcs->csar0 = CONFIG_SYS_CS0_BASE;
fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
#endif
#endif /* CONFIG_CF_SBF */
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL))
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
&& defined(CONFIG_SYS_CS1_CTRL))
fbcs->csar1 = CONFIG_SYS_CS1_BASE;
fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
#endif
#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL))
#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
&& defined(CONFIG_SYS_CS2_CTRL))
fbcs->csar2 = CONFIG_SYS_CS2_BASE;
fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
#endif
#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL))
#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
&& defined(CONFIG_SYS_CS3_CTRL))
fbcs->csar3 = CONFIG_SYS_CS3_BASE;
fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
#endif
#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL))
#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
&& defined(CONFIG_SYS_CS4_CTRL))
fbcs->csar4 = CONFIG_SYS_CS4_BASE;
fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
#endif
#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL))
#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
&& defined(CONFIG_SYS_CS5_CTRL))
fbcs->csar5 = CONFIG_SYS_CS5_BASE;
fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
fbcs->csmr5 = CONFIG_SYS_CS5_MASK;

261
cpu/mcf5227x/dspi.c Normal file
View File

@@ -0,0 +1,261 @@
/*
*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright (C) 2004-2008 Freescale Semiconductor, 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 <spi.h>
#include <malloc.h>
#if defined(CONFIG_CF_DSPI)
#include <asm/immap.h>
void dspi_init(void)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
gpio->par_dspi =
GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
GPIO_PAR_DSPI_SCK_SCK;
dspi->dmcr = DSPI_DMCR_MSTR | DSPI_DMCR_CSIS7 | DSPI_DMCR_CSIS6 |
DSPI_DMCR_CSIS5 | DSPI_DMCR_CSIS4 | DSPI_DMCR_CSIS3 |
DSPI_DMCR_CSIS2 | DSPI_DMCR_CSIS1 | DSPI_DMCR_CSIS0 |
DSPI_DMCR_CRXF | DSPI_DMCR_CTXF;
#ifdef CONFIG_SYS_DSPI_DCTAR0
dspi->dctar0 = CONFIG_SYS_DSPI_DCTAR0;
#endif
#ifdef CONFIG_SYS_DSPI_DCTAR1
dspi->dctar1 = CONFIG_SYS_DSPI_DCTAR1;
#endif
#ifdef CONFIG_SYS_DSPI_DCTAR2
dspi->dctar2 = CONFIG_SYS_DSPI_DCTAR2;
#endif
#ifdef CONFIG_SYS_DSPI_DCTAR3
dspi->dctar3 = CONFIG_SYS_DSPI_DCTAR3;
#endif
#ifdef CONFIG_SYS_DSPI_DCTAR4
dspi->dctar4 = CONFIG_SYS_DSPI_DCTAR4;
#endif
#ifdef CONFIG_SYS_DSPI_DCTAR5
dspi->dctar5 = CONFIG_SYS_DSPI_DCTAR5;
#endif
#ifdef CONFIG_SYS_DSPI_DCTAR6
dspi->dctar6 = CONFIG_SYS_DSPI_DCTAR6;
#endif
#ifdef CONFIG_SYS_DSPI_DCTAR7
dspi->dctar7 = CONFIG_SYS_DSPI_DCTAR7;
#endif
}
void dspi_tx(int chipsel, u8 attrib, u16 data)
{
volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
while ((dspi->dsr & 0x0000F000) >= 4) ;
dspi->dtfr = (attrib << 24) | ((1 << chipsel) << 16) | data;
}
u16 dspi_rx(void)
{
volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
while ((dspi->dsr & 0x000000F0) == 0) ;
return (dspi->drfr & 0xFFFF);
}
#if defined(CONFIG_CMD_SPI)
void spi_init_f(void)
{
}
void spi_init_r(void)
{
}
void spi_init(void)
{
dspi_init();
}
struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
unsigned int max_hz, unsigned int mode)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
struct spi_slave *slave;
slave = malloc(sizeof(struct spi_slave));
if (!slave)
return NULL;
switch (cs) {
case 0:
gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0;
break;
case 2:
gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK;
gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2;
break;
}
slave->bus = bus;
slave->cs = cs;
return slave;
}
void spi_free_slave(struct spi_slave *slave)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
switch (slave->cs) {
case 0:
gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
break;
case 2:
gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK;
break;
}
free(slave);
}
int spi_claim_bus(struct spi_slave *slave)
{
return 0;
}
void spi_release_bus(struct spi_slave *slave)
{
}
int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
void *din, unsigned long flags)
{
static int bWrite = 0;
u8 *spi_rd, *spi_wr;
int len = bitlen >> 3;
spi_rd = (u8 *) din;
spi_wr = (u8 *) dout;
/* command handling */
if (((len == 4) || (len == 1) || (len == 5)) && (dout != NULL)) {
switch (*spi_wr) {
case 0x02: /* Page Prog */
bWrite = 1;
dspi_tx(slave->cs, 0x80, spi_wr[0]);
dspi_rx();
dspi_tx(slave->cs, 0x80, spi_wr[1]);
dspi_rx();
dspi_tx(slave->cs, 0x80, spi_wr[2]);
dspi_rx();
dspi_tx(slave->cs, 0x80, spi_wr[3]);
dspi_rx();
return 0;
case 0x05: /* Read Status */
if (len == 4)
if ((spi_wr[1] == 0xFF) && (spi_wr[2] == 0xFF)
&& (spi_wr[3] == 0xFF)) {
dspi_tx(slave->cs, 0x80, *spi_wr);
dspi_rx();
}
return 0;
case 0x06: /* WREN */
dspi_tx(slave->cs, 0x00, *spi_wr);
dspi_rx();
return 0;
case 0x0B: /* Fast read */
if ((len == 5) && (spi_wr[4] == 0)) {
dspi_tx(slave->cs, 0x80, spi_wr[0]);
dspi_rx();
dspi_tx(slave->cs, 0x80, spi_wr[1]);
dspi_rx();
dspi_tx(slave->cs, 0x80, spi_wr[2]);
dspi_rx();
dspi_tx(slave->cs, 0x80, spi_wr[3]);
dspi_rx();
dspi_tx(slave->cs, 0x80, spi_wr[4]);
dspi_rx();
}
return 0;
case 0x9F: /* RDID */
dspi_tx(slave->cs, 0x80, *spi_wr);
dspi_rx();
return 0;
case 0xD8: /* Sector erase */
if (len == 4)
if ((spi_wr[2] == 0) && (spi_wr[3] == 0)) {
dspi_tx(slave->cs, 0x80, spi_wr[0]);
dspi_rx();
dspi_tx(slave->cs, 0x80, spi_wr[1]);
dspi_rx();
dspi_tx(slave->cs, 0x80, spi_wr[2]);
dspi_rx();
dspi_tx(slave->cs, 0x00, spi_wr[3]);
dspi_rx();
}
return 0;
}
}
if (bWrite)
len--;
while (len--) {
if (dout != NULL) {
dspi_tx(slave->cs, 0x80, *spi_wr);
dspi_rx();
spi_wr++;
}
if (din != NULL) {
dspi_tx(slave->cs, 0x80, 0);
*spi_rd = dspi_rx();
spi_rd++;
}
}
if (flags == SPI_XFER_END) {
if (bWrite) {
dspi_tx(slave->cs, 0x00, *spi_wr);
dspi_rx();
bWrite = 0;
} else {
dspi_tx(slave->cs, 0x00, 0);
dspi_rx();
}
}
return 0;
}
#endif /* CONFIG_CMD_SPI */
#endif /* CONFIG_CF_DSPI */

30
cpu/mcf5227x/speed.c
View File

@@ -90,17 +90,33 @@ int get_clocks(void)
int vco, temp, pcrvalue, pfdr;
u8 bootmode;
bootmode = (ccm->ccr & 0x000C) >> 2;
pcrvalue = pll->pcr & 0xFF0F0FFF;
pfdr = pcrvalue >> 24;
if (pfdr != 0x1E) {
if (pfdr == 0x1E)
bootmode = 0; /* Normal Mode */
#ifdef CONFIG_CF_SBF
bootmode = 3; /* Serial Mode */
#endif
if (bootmode == 0) {
/* Normal mode */
vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC;
if ((vco < CLOCK_PLL_FVCO_MIN) || (vco > CLOCK_PLL_FVCO_MAX)) {
/* Default value */
pcrvalue = (pll->pcr & 0x00FFFFFF);
pcrvalue |= 0x1E << 24;
pll->pcr = pcrvalue;
vco =
((pll->pcr & 0xFF000000) >> 24) *
CONFIG_SYS_INPUT_CLKSRC;
}
gd->vco_clk = vco; /* Vco clock */
} else if (bootmode == 3) {
/* serial mode */
} else {
/* Normal Mode */
vco = pfdr * CONFIG_SYS_INPUT_CLKSRC;
gd->vco_clk = vco;
vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC;
gd->vco_clk = vco; /* Vco clock */
}
if ((ccm->ccr & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) {

245
cpu/mcf5227x/start.S
View File

@@ -46,6 +46,11 @@
addl #60,%sp; /* space for 15 regs */ \
rte;
#if defined(CONFIG_CF_SBF)
#define ASM_DRAMINIT (asm_dram_init - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR)
#define ASM_SBF_IMG_HDR (asm_sbf_img_hdr - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR)
#endif
.text
/*
* Vector table. This is used for initial platform startup.
@@ -53,8 +58,14 @@
*/
_vectors:
INITSP: .long 0x00000000 /* Initial SP */
INITPC: .long _START /* Initial PC */
#if defined(CONFIG_CF_SBF)
INITSP: .long 0 /* Initial SP */
INITPC: .long ASM_DRAMINIT /* Initial PC */
#else
INITSP: .long 0 /* Initial SP */
INITPC: .long _START /* Initial PC */
#endif
vector02: .long _FAULT /* Access Error */
vector03: .long _FAULT /* Address Error */
vector04: .long _FAULT /* Illegal Instruction */
@@ -83,6 +94,7 @@ vector1D: .long _FAULT /* Autovector Level 5 */
vector1E: .long _FAULT /* Autovector Level 6 */
vector1F: .long _FAULT /* Autovector Level 7 */
#if !defined(CONFIG_CF_SBF)
/* TRAP #0 - #15 */
vector20_2F:
.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
@@ -122,9 +134,231 @@ vector192_255:
.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
#endif
#if defined(CONFIG_CF_SBF)
/* Image header: chksum 4 bytes, len 4 bytes, img dest 4 bytes */
asm_sbf_img_hdr:
.long 0x00000000 /* checksum, not yet implemented */
.long 0x00020000 /* image length */
.long TEXT_BASE /* image to be relocated at */
asm_dram_init:
move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0
movec %d0, %RAMBAR1 /* init Rambar */
move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
clr.l %sp@-
/* Must disable global address */
move.l #0xFC008000, %a1
move.l #(CONFIG_SYS_CS0_BASE), (%a1)
move.l #0xFC008008, %a1
move.l #(CONFIG_SYS_CS0_CTRL), (%a1)
move.l #0xFC008004, %a1
move.l #(CONFIG_SYS_CS0_MASK), (%a1)
/*
* Dram Initialization
* a1, a2, and d0
*/
/* mscr sdram */
move.l #0xFC0A4074, %a1
move.b #(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1)
nop
/* SDRAM Chip 0 and 1 */
move.l #0xFC0B8110, %a1
move.l #0xFC0B8114, %a2
/* calculate the size */
move.l #0x13, %d1
move.l #(CONFIG_SYS_SDRAM_SIZE), %d2
#ifdef CONFIG_SYS_SDRAM_BASE1
lsr.l #1, %d2
#endif
dramsz_loop:
lsr.l #1, %d2
add.l #1, %d1
cmp.l #1, %d2
bne dramsz_loop
/* SDRAM Chip 0 and 1 */
move.l #(CONFIG_SYS_SDRAM_BASE), (%a1)
or.l %d1, (%a1)
#ifdef CONFIG_SYS_SDRAM_BASE1
move.l #(CONFIG_SYS_SDRAM_BASE1), (%a2)
or.l %d1, (%a2)
#endif
nop
/* dram cfg1 and cfg2 */
move.l #0xFC0B8008, %a1
move.l #(CONFIG_SYS_SDRAM_CFG1), (%a1)
nop
move.l #0xFC0B800C, %a2
move.l #(CONFIG_SYS_SDRAM_CFG2), (%a2)
nop
move.l #0xFC0B8000, %a1 /* Mode */
move.l #0xFC0B8004, %a2 /* Ctrl */
/* Issue PALL */
move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
nop
/* Issue LEMR */
move.l #(CONFIG_SYS_SDRAM_MODE), (%a1)
nop
move.l #(CONFIG_SYS_SDRAM_EMOD), (%a1)
nop
move.l #1000, %d0
wait1000:
nop
subq.l #1, %d0
bne wait1000
/* Issue PALL */
move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
nop
/* Perform two refresh cycles */
move.l #(CONFIG_SYS_SDRAM_CTRL + 4), %d0
nop
move.l %d0, (%a2)
move.l %d0, (%a2)
nop
move.l #(CONFIG_SYS_SDRAM_CTRL), %d0
and.l #0x7FFFFFFF, %d0
or.l #0x10000c00, %d0
move.l %d0, (%a2)
nop
/*
* DSPI Initialization
* a0 - general, sram - 0x80008000 - 32, see M52277EVB.h
* a1 - dspi status
* a2 - dtfr
* a3 - drfr
* a4 - Dst addr
*/
/* Enable pins for DSPI mode - chip-selects are enabled later */
move.l #0xFC0A4036, %a0
move.b #0x3F, %d0
move.b %d0, (%a0)
/* DSPI CS */
#ifdef CONFIG_SYS_DSPI_CS0
move.b (%a0), %d0
or.l #0xC0, %d0
move.b %d0, (%a0)
#endif
#ifdef CONFIG_SYS_DSPI_CS2
move.l #0xFC0A4037, %a0
move.b (%a0), %d0
or.l #0x10, %d0
move.b %d0, (%a0)
#endif
nop
/* Configure DSPI module */
move.l #0xFC05C000, %a0
move.l #0x80FF0C00, (%a0) /* Master, clear TX/RX FIFO */
move.l #0xFC05C00C, %a0
move.l #0x3E000011, (%a0)
move.l #0xFC05C034, %a2 /* dtfr */
move.l #0xFC05C03B, %a3 /* drfr */
move.l #(ASM_SBF_IMG_HDR + 4), %a1
move.l (%a1)+, %d5
move.l (%a1), %a4
move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_SBFHDR_DATA_OFFSET), %a0
move.l #(CONFIG_SYS_SBFHDR_SIZE), %d4
move.l #0xFC05C02C, %a1 /* dspi status */
/* Issue commands and address */
move.l #0x8004000B, %d2 /* Fast Read Cmd */
jsr asm_dspi_wr_status
jsr asm_dspi_rd_status
move.l #0x80040000, %d2 /* Address byte 2 */
jsr asm_dspi_wr_status
jsr asm_dspi_rd_status
move.l #0x80040000, %d2 /* Address byte 1 */
jsr asm_dspi_wr_status
jsr asm_dspi_rd_status
move.l #0x80040000, %d2 /* Address byte 0 */
jsr asm_dspi_wr_status
jsr asm_dspi_rd_status
move.l #0x80040000, %d2 /* Dummy Wr and Rd */
jsr asm_dspi_wr_status
jsr asm_dspi_rd_status
/* Transfer serial boot header to sram */
asm_dspi_rd_loop1:
move.l #0x80040000, %d2
jsr asm_dspi_wr_status
jsr asm_dspi_rd_status
move.b %d1, (%a0) /* read, copy to dst */
add.l #1, %a0 /* inc dst by 1 */
sub.l #1, %d4 /* dec cnt by 1 */
bne asm_dspi_rd_loop1
/* Transfer u-boot from serial flash to memory */
asm_dspi_rd_loop2:
move.l #0x80040000, %d2
jsr asm_dspi_wr_status
jsr asm_dspi_rd_status
move.b %d1, (%a4) /* read, copy to dst */
add.l #1, %a4 /* inc dst by 1 */
sub.l #1, %d5 /* dec cnt by 1 */
bne asm_dspi_rd_loop2
move.l #0x00040000, %d2 /* Terminate */
jsr asm_dspi_wr_status
jsr asm_dspi_rd_status
/* jump to memory and execute */
move.l #(TEXT_BASE + 0x400), %a0
move.l %a0, (%a1)
jmp (%a0)
asm_dspi_wr_status:
move.l (%a1), %d0 /* status */
and.l #0x0000F000, %d0
cmp.l #0x00003000, %d0
bgt asm_dspi_wr_status
move.l %d2, (%a2)
rts
asm_dspi_rd_status:
move.l (%a1), %d0 /* status */
and.l #0x000000F0, %d0
lsr.l #4, %d0
cmp.l #0, %d0
beq asm_dspi_rd_status
move.b (%a3), %d1
rts
#endif /* CONFIG_CF_SBF */
.text
. = 0x400
.globl _start
_start:
nop
@@ -132,11 +366,16 @@ _start:
move.w #0x2700,%sr /* Mask off Interrupt */
/* Set vector base register at the beginning of the Flash */
#if defined(CONFIG_CF_SBF)
move.l #TEXT_BASE, %d0
movec %d0, %VBR
#else
move.l #CONFIG_SYS_FLASH_BASE, %d0
movec %d0, %VBR
move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0
movec %d0, %RAMBAR1
#endif
/* initialize general use internal ram */
move.l #0, %d0

4
cpu/mcf523x/cpu.c
View File

@@ -65,8 +65,8 @@ int checkcpu(void)
printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
ver);
printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
strmhz(buf1, gd->cpu_clk)),
strmhz(buf2, gd->bus_clk)));
strmhz(buf1, gd->cpu_clk),
strmhz(buf2, gd->bus_clk));
}
return 0;

24
cpu/mcf523x/cpu_init.c
View File

@@ -27,9 +27,14 @@
#include <common.h>
#include <watchdog.h>
#include <asm/immap.h>
#if defined(CONFIG_CMD_NET)
#include <config.h>
#include <net.h>
#include <asm/fec.h>
#endif
/*
* Breath some life into the CPU...
*
@@ -143,3 +148,20 @@ void uart_port_conf(void)
break;
}
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
if (setclear) {
gpio->par_feci2c |=
(GPIO_PAR_FECI2C_EMDC_FECEMDC | GPIO_PAR_FECI2C_EMDIO_FECEMDIO);
} else {
gpio->par_feci2c &=
~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK);
}
return 0;
}
#endif

349
cpu/mcf52x2/cpu_init.c
View File

@@ -36,6 +36,71 @@
#include <watchdog.h>
#include <asm/immap.h>
#if defined(CONFIG_CMD_NET)
#include <config.h>
#include <net.h>
#include <asm/fec.h>
#endif
#ifndef CONFIG_M5272
/* Only 5272 Flexbus chipselect is different from the rest */
void init_fbcs(void)
{
volatile fbcs_t *fbcs = (fbcs_t *) (MMAP_FBCS);
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
&& defined(CONFIG_SYS_CS0_CTRL))
fbcs->csar0 = CONFIG_SYS_CS0_BASE;
fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
#else
#warning "Chip Select 0 are not initialized/used"
#endif
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
&& defined(CONFIG_SYS_CS1_CTRL))
fbcs->csar1 = CONFIG_SYS_CS1_BASE;
fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
#endif
#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
&& defined(CONFIG_SYS_CS2_CTRL))
fbcs->csar2 = CONFIG_SYS_CS2_BASE;
fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
#endif
#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
&& defined(CONFIG_SYS_CS3_CTRL))
fbcs->csar3 = CONFIG_SYS_CS3_BASE;
fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
#endif
#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
&& defined(CONFIG_SYS_CS4_CTRL))
fbcs->csar4 = CONFIG_SYS_CS4_BASE;
fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
#endif
#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
&& defined(CONFIG_SYS_CS5_CTRL))
fbcs->csar5 = CONFIG_SYS_CS5_BASE;
fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
#endif
#if (defined(CONFIG_SYS_CS6_BASE) && defined(CONFIG_SYS_CS6_MASK) \
&& defined(CONFIG_SYS_CS6_CTRL))
fbcs->csar6 = CONFIG_SYS_CS6_BASE;
fbcs->cscr6 = CONFIG_SYS_CS6_CTRL;
fbcs->csmr6 = CONFIG_SYS_CS6_MASK;
#endif
#if (defined(CONFIG_SYS_CS7_BASE) && defined(CONFIG_SYS_CS7_MASK) \
&& defined(CONFIG_SYS_CS7_CTRL))
fbcs->csar7 = CONFIG_SYS_CS7_BASE;
fbcs->cscr7 = CONFIG_SYS_CS7_CTRL;
fbcs->csmr7 = CONFIG_SYS_CS7_MASK;
#endif
}
#endif
#if defined(CONFIG_M5253)
/*
* Breath some life into the CPU...
@@ -66,22 +131,14 @@ void cpu_init_f(void)
mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
/*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); */ /* Enable a 1 cycle pre-drive cycle on CS1 */
/*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); *//* Enable a 1 cycle pre-drive cycle on CS1 */
/*
* Setup chip selects...
*/
mbar_writeShort(MCFSIM_CSAR1, CONFIG_SYS_CSAR1);
mbar_writeShort(MCFSIM_CSCR1, CONFIG_SYS_CSCR1);
mbar_writeLong(MCFSIM_CSMR1, CONFIG_SYS_CSMR1);
mbar_writeShort(MCFSIM_CSAR0, CONFIG_SYS_CSAR0);
mbar_writeShort(MCFSIM_CSCR0, CONFIG_SYS_CSCR0);
mbar_writeLong(MCFSIM_CSMR0, CONFIG_SYS_CSMR0);
/* FlexBus Chipselect */
init_fbcs();
#ifdef CONFIG_FSL_I2C
CONFIG_SYS_I2C_PINMUX_REG = CONFIG_SYS_I2C_PINMUX_REG & CONFIG_SYS_I2C_PINMUX_CLR;
CONFIG_SYS_I2C_PINMUX_REG =
CONFIG_SYS_I2C_PINMUX_REG & CONFIG_SYS_I2C_PINMUX_CLR;
CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET;
#ifdef CONFIG_SYS_I2C2_OFFSET
CONFIG_SYS_I2C2_PINMUX_REG &= CONFIG_SYS_I2C2_PINMUX_CLR;
@@ -121,6 +178,9 @@ void cpu_init_f(void)
mbar_writeShort(MCF_WTM_WCR, 0);
#endif
/* FlexBus Chipselect */
init_fbcs();
/* Set clockspeed to 100MHz */
mbar_writeShort(MCF_FMPLL_SYNCR,
MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0));
@@ -153,6 +213,19 @@ void uart_port_conf(void)
break;
}
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
if (setclear) {
/* Enable Ethernet pins */
mbar_writeByte(MCF_GPIO_PAR_FECI2C, CONFIG_SYS_FECI2C);
} else {
}
return 0;
}
#endif /* CONFIG_CMD_NET */
#endif
#if defined(CONFIG_M5272)
@@ -255,6 +328,22 @@ void uart_port_conf(void)
break;
}
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
if (setclear) {
gpio->gpio_pbcnt |= GPIO_PBCNT_E_MDC | GPIO_PBCNT_E_RXER |
GPIO_PBCNT_E_RXD1 | GPIO_PBCNT_E_RXD2 |
GPIO_PBCNT_E_RXD3 | GPIO_PBCNT_E_TXD1 |
GPIO_PBCNT_E_TXD2 | GPIO_PBCNT_E_TXD3;
} else {
}
return 0;
}
#endif /* CONFIG_CMD_NET */
#endif /* #if defined(CONFIG_M5272) */
#if defined(CONFIG_M5275)
@@ -268,66 +357,20 @@ void uart_port_conf(void)
*/
void cpu_init_f(void)
{
/* if we come from RAM we assume the CPU is
/*
* if we come from RAM we assume the CPU is
* already initialized.
*/
#ifndef CONFIG_MONITOR_IS_IN_RAM
volatile wdog_t *wdog_reg = (wdog_t *)(MMAP_WDOG);
volatile gpio_t *gpio_reg = (gpio_t *)(MMAP_GPIO);
volatile csctrl_t *csctrl_reg = (csctrl_t *)(MMAP_FBCS);
volatile wdog_t *wdog_reg = (wdog_t *) (MMAP_WDOG);
volatile gpio_t *gpio_reg = (gpio_t *) (MMAP_GPIO);
/* Kill watchdog so we can initialize the PLL */
wdog_reg->wcr = 0;
/* Memory Controller: */
/* Flash */
csctrl_reg->ar0 = CONFIG_SYS_AR0_PRELIM;
csctrl_reg->cr0 = CONFIG_SYS_CR0_PRELIM;
csctrl_reg->mr0 = CONFIG_SYS_MR0_PRELIM;
#if (defined(CONFIG_SYS_AR1_PRELIM) && defined(CONFIG_SYS_CR1_PRELIM) && defined(CONFIG_SYS_MR1_PRELIM))
csctrl_reg->ar1 = CONFIG_SYS_AR1_PRELIM;
csctrl_reg->cr1 = CONFIG_SYS_CR1_PRELIM;
csctrl_reg->mr1 = CONFIG_SYS_MR1_PRELIM;
#endif
#if (defined(CONFIG_SYS_AR2_PRELIM) && defined(CONFIG_SYS_CR2_PRELIM) && defined(CONFIG_SYS_MR2_PRELIM))
csctrl_reg->ar2 = CONFIG_SYS_AR2_PRELIM;
csctrl_reg->cr2 = CONFIG_SYS_CR2_PRELIM;
csctrl_reg->mr2 = CONFIG_SYS_MR2_PRELIM;
#endif
#if (defined(CONFIG_SYS_AR3_PRELIM) && defined(CONFIG_SYS_CR3_PRELIM) && defined(CONFIG_SYS_MR3_PRELIM))
csctrl_reg->ar3 = CONFIG_SYS_AR3_PRELIM;
csctrl_reg->cr3 = CONFIG_SYS_CR3_PRELIM;
csctrl_reg->mr3 = CONFIG_SYS_MR3_PRELIM;
#endif
#if (defined(CONFIG_SYS_AR4_PRELIM) && defined(CONFIG_SYS_CR4_PRELIM) && defined(CONFIG_SYS_MR4_PRELIM))
csctrl_reg->ar4 = CONFIG_SYS_AR4_PRELIM;
csctrl_reg->cr4 = CONFIG_SYS_CR4_PRELIM;
csctrl_reg->mr4 = CONFIG_SYS_MR4_PRELIM;
#endif
#if (defined(CONFIG_SYS_AR5_PRELIM) && defined(CONFIG_SYS_CR5_PRELIM) && defined(CONFIG_SYS_MR5_PRELIM))
csctrl_reg->ar5 = CONFIG_SYS_AR5_PRELIM;
csctrl_reg->cr5 = CONFIG_SYS_CR5_PRELIM;
csctrl_reg->mr5 = CONFIG_SYS_MR5_PRELIM;
#endif
#if (defined(CONFIG_SYS_AR6_PRELIM) && defined(CONFIG_SYS_CR6_PRELIM) && defined(CONFIG_SYS_MR6_PRELIM))
csctrl_reg->ar6 = CONFIG_SYS_AR6_PRELIM;
csctrl_reg->cr6 = CONFIG_SYS_CR6_PRELIM;
csctrl_reg->mr6 = CONFIG_SYS_MR6_PRELIM;
#endif
#if (defined(CONFIG_SYS_AR7_PRELIM) && defined(CONFIG_SYS_CR7_PRELIM) && defined(CONFIG_SYS_MR7_PRELIM))
csctrl_reg->ar7 = CONFIG_SYS_AR7_PRELIM;
csctrl_reg->cr7 = CONFIG_SYS_CR7_PRELIM;
csctrl_reg->mr7 = CONFIG_SYS_MR7_PRELIM;
#endif
/* FlexBus Chipselect */
init_fbcs();
#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
#ifdef CONFIG_FSL_I2C
@@ -349,7 +392,7 @@ int cpu_init_r(void)
void uart_port_conf(void)
{
volatile gpio_t *gpio = (gpio_t *)MMAP_GPIO;
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Setup Ports: */
switch (CONFIG_SYS_UART_PORT) {
@@ -364,6 +407,35 @@ void uart_port_conf(void)
break;
}
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
struct fec_info_s *info = (struct fec_info_s *) dev->priv;
volatile gpio_t *gpio = (gpio_t *)MMAP_GPIO;
if (setclear) {
/* Enable Ethernet pins */
if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
gpio->par_feci2c |= 0x0F00;
gpio->par_fec0hl |= 0xC0;
} else {
gpio->par_feci2c |= 0x00A0;
gpio->par_fec1hl |= 0xC0;
}
} else {
if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
gpio->par_feci2c &= ~0x0F00;
gpio->par_fec0hl &= ~0xC0;
} else {
gpio->par_feci2c &= ~0x00A0;
gpio->par_fec1hl &= ~0xC0;
}
}
return 0;
}
#endif /* CONFIG_CMD_NET */
#endif /* #if defined(CONFIG_M5275) */
#if defined(CONFIG_M5282)
@@ -384,7 +456,8 @@ void cpu_init_f(void)
#ifndef CONFIG_MONITOR_IS_IN_RAM
/* Set speed /PLL */
MCFCLOCK_SYNCR =
MCFCLOCK_SYNCR_MFD(CONFIG_SYS_MFD) | MCFCLOCK_SYNCR_RFD(CONFIG_SYS_RFD);
MCFCLOCK_SYNCR_MFD(CONFIG_SYS_MFD) |
MCFCLOCK_SYNCR_RFD(CONFIG_SYS_RFD);
while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ;
MCFGPIO_PBCDPAR = 0xc0;
@@ -425,119 +498,8 @@ void cpu_init_f(void)
MCFGPIO_DDRUA = CONFIG_SYS_DDRUA;
#endif
/* This is probably a bad place to setup chip selects, but everyone
else is doing it! */
#if defined(CONFIG_SYS_CS0_BASE) & defined(CONFIG_SYS_CS0_SIZE) & \
defined(CONFIG_SYS_CS0_WIDTH) & defined(CONFIG_SYS_CS0_WS)
MCFCSM_CSAR0 = (CONFIG_SYS_CS0_BASE >> 16) & 0xFFFF;
#if (CONFIG_SYS_CS0_WIDTH == 8)
#define CONFIG_SYS_CS0_PS MCFCSM_CSCR_PS_8
#elif (CONFIG_SYS_CS0_WIDTH == 16)
#define CONFIG_SYS_CS0_PS MCFCSM_CSCR_PS_16
#elif (CONFIG_SYS_CS0_WIDTH == 32)
#define CONFIG_SYS_CS0_PS MCFCSM_CSCR_PS_32
#else
#error "CONFIG_SYS_CS0_WIDTH: Fault - wrong bus with for CS0"
#endif
MCFCSM_CSCR0 = MCFCSM_CSCR_WS(CONFIG_SYS_CS0_WS)
| CONFIG_SYS_CS0_PS | MCFCSM_CSCR_AA;
#if (CONFIG_SYS_CS0_RO != 0)
MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS0_SIZE - 1)
| MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
#else
MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS0_SIZE - 1) | MCFCSM_CSMR_V;
#endif
#else
#warning "Chip Select 0 are not initialized/used"
#endif
#if defined(CONFIG_SYS_CS1_BASE) & defined(CONFIG_SYS_CS1_SIZE) & \
defined(CONFIG_SYS_CS1_WIDTH) & defined(CONFIG_SYS_CS1_WS)
MCFCSM_CSAR1 = (CONFIG_SYS_CS1_BASE >> 16) & 0xFFFF;
#if (CONFIG_SYS_CS1_WIDTH == 8)
#define CONFIG_SYS_CS1_PS MCFCSM_CSCR_PS_8
#elif (CONFIG_SYS_CS1_WIDTH == 16)
#define CONFIG_SYS_CS1_PS MCFCSM_CSCR_PS_16
#elif (CONFIG_SYS_CS1_WIDTH == 32)
#define CONFIG_SYS_CS1_PS MCFCSM_CSCR_PS_32
#else
#error "CONFIG_SYS_CS1_WIDTH: Fault - wrong bus with for CS1"
#endif
MCFCSM_CSCR1 = MCFCSM_CSCR_WS(CONFIG_SYS_CS1_WS)
| CONFIG_SYS_CS1_PS | MCFCSM_CSCR_AA;
#if (CONFIG_SYS_CS1_RO != 0)
MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS1_SIZE - 1)
| MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
#else
MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS1_SIZE - 1)
| MCFCSM_CSMR_V;
#endif
#else
#warning "Chip Select 1 are not initialized/used"
#endif
#if defined(CONFIG_SYS_CS2_BASE) & defined(CONFIG_SYS_CS2_SIZE) & \
defined(CONFIG_SYS_CS2_WIDTH) & defined(CONFIG_SYS_CS2_WS)
MCFCSM_CSAR2 = (CONFIG_SYS_CS2_BASE >> 16) & 0xFFFF;
#if (CONFIG_SYS_CS2_WIDTH == 8)
#define CONFIG_SYS_CS2_PS MCFCSM_CSCR_PS_8
#elif (CONFIG_SYS_CS2_WIDTH == 16)
#define CONFIG_SYS_CS2_PS MCFCSM_CSCR_PS_16
#elif (CONFIG_SYS_CS2_WIDTH == 32)
#define CONFIG_SYS_CS2_PS MCFCSM_CSCR_PS_32
#else
#error "CONFIG_SYS_CS2_WIDTH: Fault - wrong bus with for CS2"
#endif
MCFCSM_CSCR2 = MCFCSM_CSCR_WS(CONFIG_SYS_CS2_WS)
| CONFIG_SYS_CS2_PS | MCFCSM_CSCR_AA;
#if (CONFIG_SYS_CS2_RO != 0)
MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS2_SIZE - 1)
| MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
#else
MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS2_SIZE - 1)
| MCFCSM_CSMR_V;
#endif
#else
#warning "Chip Select 2 are not initialized/used"
#endif
#if defined(CONFIG_SYS_CS3_BASE) & defined(CONFIG_SYS_CS3_SIZE) & \
defined(CONFIG_SYS_CS3_WIDTH) & defined(CONFIG_SYS_CS3_WS)
MCFCSM_CSAR3 = (CONFIG_SYS_CS3_BASE >> 16) & 0xFFFF;
#if (CONFIG_SYS_CS3_WIDTH == 8)
#define CONFIG_SYS_CS3_PS MCFCSM_CSCR_PS_8
#elif (CONFIG_SYS_CS3_WIDTH == 16)
#define CONFIG_SYS_CS3_PS MCFCSM_CSCR_PS_16
#elif (CONFIG_SYS_CS3_WIDTH == 32)
#define CONFIG_SYS_CS3_PS MCFCSM_CSCR_PS_32
#else
#error "CONFIG_SYS_CS3_WIDTH: Fault - wrong bus with for CS1"
#endif
MCFCSM_CSCR3 = MCFCSM_CSCR_WS(CONFIG_SYS_CS3_WS)
| CONFIG_SYS_CS3_PS | MCFCSM_CSCR_AA;
#if (CONFIG_SYS_CS3_RO != 0)
MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS3_SIZE - 1)
| MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
#else
MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS3_SIZE - 1)
| MCFCSM_CSMR_V;
#endif
#else
#warning "Chip Select 3 are not initialized/used"
#endif
/* FlexBus Chipselect */
init_fbcs();
#endif /* CONFIG_MONITOR_IS_IN_RAM */
@@ -571,6 +533,20 @@ void uart_port_conf(void)
break;
}
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
if (setclear) {
MCFGPIO_PASPAR |= 0x0F00;
MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR;
} else {
MCFGPIO_PASPAR &= 0xF0FF;
MCFGPIO_PEHLPAR &= ~CONFIG_SYS_PEHLPAR;
}
return 0;
}
#endif /* CONFIG_CMD_NET */
#endif
#if defined(CONFIG_M5249)
@@ -632,17 +608,8 @@ void cpu_init_f(void)
mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020);
mbar2_writeLong(MCFSIM_IDECONFIG2, 0x00000000);
/*
* Setup chip selects...
*/
mbar_writeShort(MCFSIM_CSAR1, CONFIG_SYS_CSAR1);
mbar_writeShort(MCFSIM_CSCR1, CONFIG_SYS_CSCR1);
mbar_writeLong(MCFSIM_CSMR1, CONFIG_SYS_CSMR1);
mbar_writeShort(MCFSIM_CSAR0, CONFIG_SYS_CSAR0);
mbar_writeShort(MCFSIM_CSCR0, CONFIG_SYS_CSCR0);
mbar_writeLong(MCFSIM_CSMR0, CONFIG_SYS_CSMR0);
/* FlexBus Chipselect */
init_fbcs();
/* enable instruction cache now */
icache_enable();

25
cpu/mcf532x/cpu.c
View File

@@ -3,7 +3,7 @@
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
* Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
@@ -56,6 +56,24 @@ int checkcpu(void)
msk = (ccm->cir >> 6);
ver = (ccm->cir & 0x003f);
switch (msk) {
#ifdef CONFIG_MCF5301x
case 0x78:
id = 53010;
break;
case 0x77:
id = 53012;
break;
case 0x76:
id = 53015;
break;
case 0x74:
id = 53011;
break;
case 0x73:
id = 53013;
break;
#endif
#ifdef CONFIG_MCF532x
case 0x54:
id = 5329;
break;
@@ -77,6 +95,7 @@ int checkcpu(void)
case 0x6B:
id = 5372;
break;
#endif
}
if (id) {
@@ -85,8 +104,8 @@ int checkcpu(void)
printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
ver);
printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
strmhz(buf1, gd->cpu_clk)),
strmhz(buf2, gd->bus_clk)));
strmhz(buf1, gd->cpu_clk),
strmhz(buf2, gd->bus_clk));
}
return 0;

227
cpu/mcf532x/cpu_init.c
View File

@@ -3,7 +3,7 @@
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2007 Freescale Semiconductor, Inc.
* (C) Copyright 2004-2008 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
@@ -27,16 +27,188 @@
#include <common.h>
#include <watchdog.h>
#include <asm/immap.h>
/*
* Breath some life into the CPU...
*
* Set up the memory map,
* initialize a bunch of registers,
* initialize the UPM's
*/
#if defined(CONFIG_CMD_NET)
#include <config.h>
#include <net.h>
#include <asm/fec.h>
#endif
#ifdef CONFIG_MCF5301x
void cpu_init_f(void)
{
volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
volatile scm2_t *scm2 = (scm2_t *) MMAP_SCM2;
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
/* watchdog is enabled by default - disable the watchdog */
#ifndef CONFIG_WATCHDOG
/*wdog->cr = 0; */
#endif
scm1->mpr = 0x77777777;
scm1->pacra = 0;
scm1->pacrb = 0;
scm1->pacrc = 0;
scm1->pacrd = 0;
scm1->pacre = 0;
scm1->pacrf = 0;
scm1->pacrg = 0;
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
&& defined(CONFIG_SYS_CS0_CTRL))
gpio->par_cs |= GPIO_PAR_CS0_CS0;
fbcs->csar0 = CONFIG_SYS_CS0_BASE;
fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
#endif
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
&& defined(CONFIG_SYS_CS1_CTRL))
gpio->par_cs |= GPIO_PAR_CS1_CS1;
fbcs->csar1 = CONFIG_SYS_CS1_BASE;
fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
#endif
#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
&& defined(CONFIG_SYS_CS2_CTRL))
fbcs->csar2 = CONFIG_SYS_CS2_BASE;
fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
#endif
#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
&& defined(CONFIG_SYS_CS3_CTRL))
fbcs->csar3 = CONFIG_SYS_CS3_BASE;
fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
#endif
#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
&& defined(CONFIG_SYS_CS4_CTRL))
gpio->par_cs |= GPIO_PAR_CS4;
fbcs->csar4 = CONFIG_SYS_CS4_BASE;
fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
#endif
#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
&& defined(CONFIG_SYS_CS5_CTRL))
gpio->par_cs |= GPIO_PAR_CS5;
fbcs->csar5 = CONFIG_SYS_CS5_BASE;
fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
#endif
#ifdef CONFIG_FSL_I2C
gpio->par_feci2c = GPIO_PAR_FECI2C_SDA_SDA | GPIO_PAR_FECI2C_SCL_SCL;
#endif
icache_enable();
}
/* initialize higher level parts of CPU like timers */
int cpu_init_r(void)
{
#ifdef CONFIG_MCFFEC
volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;
#endif
#ifdef CONFIG_MCFRTC
volatile rtc_t *rtc = (rtc_t *) (CONFIG_SYS_MCFRTC_BASE);
volatile rtcex_t *rtcex = (rtcex_t *) & rtc->extended;
rtcex->gocu = CONFIG_SYS_RTC_CNT;
rtcex->gocl = CONFIG_SYS_RTC_SETUP;
#endif
#ifdef CONFIG_MCFFEC
if (CONFIG_SYS_FEC0_MIIBASE != CONFIG_SYS_FEC1_MIIBASE)
ccm->misccr |= CCM_MISCCR_FECM;
else
ccm->misccr &= ~CCM_MISCCR_FECM;
#endif
return (0);
}
void uart_port_conf(void)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Setup Ports: */
switch (CONFIG_SYS_UART_PORT) {
case 0:
gpio->par_uart = (GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD);
break;
case 1:
#ifdef CONFIG_SYS_UART1_ALT1_GPIO
gpio->par_simp1h &=
~(GPIO_PAR_SIMP1H_DATA1_MASK | GPIO_PAR_SIMP1H_VEN1_MASK);
gpio->par_simp1h |=
(GPIO_PAR_SIMP1H_DATA1_U1TXD | GPIO_PAR_SIMP1H_VEN1_U1RXD);
#elif defined(CONFIG_SYS_UART1_ALT2_GPIO)
gpio->par_ssih &=
~(GPIO_PAR_SSIH_RXD_MASK | GPIO_PAR_SSIH_TXD_MASK);
gpio->par_ssih |=
(GPIO_PAR_SSIH_RXD_U1RXD | GPIO_PAR_SSIH_TXD_U1TXD);
#endif
break;
case 2:
#ifdef CONFIG_SYS_UART2_PRI_GPIO
gpio->par_uart |= (GPIO_PAR_UART_U2TXD | GPIO_PAR_UART_U2RXD);
#elif defined(CONFIG_SYS_UART2_ALT1_GPIO)
gpio->par_dspih &=
~(GPIO_PAR_DSPIH_SIN_MASK | GPIO_PAR_DSPIH_SOUT_MASK);
gpio->par_dspih |=
(GPIO_PAR_DSPIH_SIN_U2RXD | GPIO_PAR_DSPIH_SOUT_U2TXD);
#elif defined(CONFIG_SYS_UART2_ALT2_GPIO)
gpio->par_feci2c &=
~(GPIO_PAR_FECI2C_SDA_MASK | GPIO_PAR_FECI2C_SCL_MASK);
gpio->par_feci2c |=
(GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_U2RXD);
#endif
break;
}
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
struct fec_info_s *info = (struct fec_info_s *)dev->priv;
if (setclear) {
if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
gpio->par_fec |=
GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC;
gpio->par_feci2c |=
GPIO_PAR_FECI2C_MDC0 | GPIO_PAR_FECI2C_MDIO0;
} else {
gpio->par_fec |=
GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC;
gpio->par_feci2c |=
GPIO_PAR_FECI2C_MDC1 | GPIO_PAR_FECI2C_MDIO1;
}
} else {
if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
gpio->par_fec &=
~(GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC);
gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII0_MASK;
} else {
gpio->par_fec &=
~(GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC);
gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII1_MASK;
}
}
return 0;
}
#endif /* CONFIG_CMD_NET */
#endif /* CONFIG_MCF5301x */
#ifdef CONFIG_MCF532x
void cpu_init_f(void)
{
volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
@@ -63,13 +235,15 @@ void cpu_init_f(void)
/* Port configuration */
gpio->par_cs = 0;
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL))
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
&& defined(CONFIG_SYS_CS0_CTRL))
fbcs->csar0 = CONFIG_SYS_CS0_BASE;
fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
#endif
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL))
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
&& defined(CONFIG_SYS_CS1_CTRL))
/* Latch chipselect */
gpio->par_cs |= GPIO_PAR_CS1;
fbcs->csar1 = CONFIG_SYS_CS1_BASE;
@@ -77,28 +251,32 @@ void cpu_init_f(void)
fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
#endif
#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL))
#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
&& defined(CONFIG_SYS_CS2_CTRL))
gpio->par_cs |= GPIO_PAR_CS2;
fbcs->csar2 = CONFIG_SYS_CS2_BASE;
fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
#endif
#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL))
#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
&& defined(CONFIG_SYS_CS3_CTRL))
gpio->par_cs |= GPIO_PAR_CS3;
fbcs->csar3 = CONFIG_SYS_CS3_BASE;
fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
#endif
#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL))
#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
&& defined(CONFIG_SYS_CS4_CTRL))
gpio->par_cs |= GPIO_PAR_CS4;
fbcs->csar4 = CONFIG_SYS_CS4_BASE;
fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
#endif
#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL))
#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
&& defined(CONFIG_SYS_CS5_CTRL))
gpio->par_cs |= GPIO_PAR_CS5;
fbcs->csar5 = CONFIG_SYS_CS5_BASE;
fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
@@ -139,3 +317,22 @@ void uart_port_conf(void)
break;
}
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
if (setclear) {
gpio->par_fec |= GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC;
gpio->par_feci2c |=
GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO;
} else {
gpio->par_fec &= ~(GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC);
gpio->par_feci2c &=
~(GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO);
}
return 0;
}
#endif
#endif /* CONFIG_MCF532x */

121
cpu/mcf532x/speed.c
View File

@@ -3,7 +3,7 @@
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
* Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
@@ -36,26 +36,33 @@ DECLARE_GLOBAL_DATA_PTR;
#define MAX_FVCO 500000 /* KHz */
#define MAX_FSYS 80000 /* KHz */
#define MIN_FSYS 58333 /* KHz */
#ifdef CONFIG_MCF5301x
#define FREF 20000 /* KHz */
#define MAX_MFD 63 /* Multiplier */
#define MIN_MFD 0 /* Multiplier */
#define USBDIV 8
/* Low Power Divider specifications */
#define MIN_LPD (0) /* Divider (not encoded) */
#define MAX_LPD (15) /* Divider (not encoded) */
#define DEFAULT_LPD (0) /* Divider (not encoded) */
#endif
#ifdef CONFIG_MCF532x
#define FREF 16000 /* KHz */
#define MAX_MFD 135 /* Multiplier */
#define MIN_MFD 88 /* Multiplier */
#define BUSDIV 6 /* Divider */
/*
* Low Power Divider specifications
*/
/* Low Power Divider specifications */
#define MIN_LPD (1 << 0) /* Divider (not encoded) */
#define MAX_LPD (1 << 15) /* Divider (not encoded) */
#define DEFAULT_LPD (1 << 1) /* Divider (not encoded) */
#endif
/*
* Get the value of the current system clock
*
* Parameters:
* none
*
* Return Value:
* The current output system frequency
*/
#define BUSDIV 6 /* Divider */
/* Get the value of the current system clock */
int get_sys_clock(void)
{
volatile ccm_t *ccm = (volatile ccm_t *)(MMAP_CCM);
@@ -65,9 +72,23 @@ int get_sys_clock(void)
/* Test to see if device is in LIMP mode */
if (ccm->misccr & CCM_MISCCR_LIMP) {
divider = ccm->cdr & CCM_CDR_LPDIV(0xF);
#ifdef CONFIG_MCF5301x
return (FREF / (3 * (1 << divider)));
#endif
#ifdef CONFIG_MCF532x
return (FREF / (2 << divider));
#endif
} else {
#ifdef CONFIG_MCF5301x
u32 pfdr = (pll->pcr & 0x3F) + 1;
u32 refdiv = (1 << ((pll->pcr & PLL_PCR_REFDIV(7)) >> 8));
u32 busdiv = ((pll->pdr & 0x00F0) >> 4) + 1;
return (((FREF * pfdr) / refdiv) / busdiv);
#endif
#ifdef CONFIG_MCF532x
return ((FREF * pll->pfdr) / (BUSDIV * 4));
#endif
}
}
@@ -92,7 +113,7 @@ int clock_limp(int div)
div = MAX_LPD;
/* Save of the current value of the SSIDIV so we don't overwrite the value */
temp = (ccm->cdr & CCM_CDR_SSIDIV(0xF));
temp = (ccm->cdr & CCM_CDR_SSIDIV(0xFF));
/* Apply the divider to the system clock */
ccm->cdr = (CCM_CDR_LPDIV(div) | CCM_CDR_SSIDIV(temp));
@@ -102,15 +123,7 @@ int clock_limp(int div)
return (FREF / (3 * (1 << div)));
}
/*
* Exit low power LIMP mode
*
* Parameters:
* div Desired system frequency divider
*
* Return Value:
* The resulting output system frequency
*/
/* Exit low power LIMP mode */
int clock_exit_limp(void)
{
volatile ccm_t *ccm = (volatile ccm_t *)(MMAP_CCM);
@@ -139,7 +152,10 @@ int clock_exit_limp(void)
*/
int clock_pll(int fsys, int flags)
{
#ifdef CONFIG_MCF532x
volatile u32 *sdram_workaround = (volatile u32 *)(MMAP_SDRAM + 0x80);
#endif
volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM);
volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL);
int fref, temp, fout, mfd;
u32 i;
@@ -148,9 +164,17 @@ int clock_pll(int fsys, int flags)
if (fsys == 0) {
/* Return current PLL output */
#ifdef CONFIG_MCF5301x
u32 busdiv = ((pll->pdr >> 4) & 0x0F) + 1;
mfd = (pll->pcr & 0x3F) + 1;
return (fref * mfd) / busdiv;
#endif
#ifdef CONFIG_MCF532x
mfd = pll->pfdr;
return (fref * mfd / (BUSDIV * 4));
#endif
}
/* Check bounds of requested system clock */
@@ -160,21 +184,33 @@ int clock_pll(int fsys, int flags)
if (fsys < MIN_FSYS)
fsys = MIN_FSYS;
/* Multiplying by 100 when calculating the temp value,
and then dividing by 100 to calculate the mfd allows
for exact values without needing to include floating
point libraries. */
/*
* Multiplying by 100 when calculating the temp value,
* and then dividing by 100 to calculate the mfd allows
* for exact values without needing to include floating
* point libraries.
*/
temp = (100 * fsys) / fref;
#ifdef CONFIG_MCF5301x
mfd = (BUSDIV * temp) / 100;
/* Determine the output frequency for selected values */
fout = ((fref * mfd) / BUSDIV);
#endif
#ifdef CONFIG_MCF532x
mfd = (4 * BUSDIV * temp) / 100;
/* Determine the output frequency for selected values */
fout = ((fref * mfd) / (BUSDIV * 4));
#endif
/*
* Check to see if the SDRAM has already been initialized.
* If it has then the SDRAM needs to be put into self refresh
* mode before reprogramming the PLL.
*/
if (sdram->ctrl & SDRAMC_SDCR_REF)
sdram->ctrl &= ~SDRAMC_SDCR_CKE;
/*
* Initialize the PLL to generate the new system clock frequency.
@@ -184,20 +220,37 @@ int clock_pll(int fsys, int flags)
/* Enter LIMP mode */
clock_limp(DEFAULT_LPD);
#ifdef CONFIG_MCF5301x
pll->pdr =
PLL_PDR_OUTDIV1((BUSDIV / 3) - 1) |
PLL_PDR_OUTDIV2(BUSDIV - 1) |
PLL_PDR_OUTDIV3((BUSDIV / 2) - 1) |
PLL_PDR_OUTDIV4(USBDIV - 1);
pll->pcr &= PLL_PCR_FBDIV_MASK;
pll->pcr |= PLL_PCR_FBDIV(mfd - 1);
#endif
#ifdef CONFIG_MCF532x
/* Reprogram PLL for desired fsys */
pll->podr = (PLL_PODR_CPUDIV(BUSDIV / 3) | PLL_PODR_BUSDIV(BUSDIV));
pll->pfdr = mfd;
#endif
/* Exit LIMP mode */
clock_exit_limp();
/*
* Return the SDRAM to normal operation if it is in use.
*/
/* Return the SDRAM to normal operation if it is in use. */
if (sdram->ctrl & SDRAMC_SDCR_REF)
sdram->ctrl |= SDRAMC_SDCR_CKE;
/* software workaround for SDRAM opeartion after exiting LIMP mode errata */
#ifdef CONFIG_MCF532x
/*
* software workaround for SDRAM opeartion after exiting LIMP
* mode errata
*/
*sdram_workaround = CONFIG_SYS_SDRAM_BASE;
#endif
/* wait for DQS logic to relock */
for (i = 0; i < 0x200; i++) ;
@@ -205,9 +258,7 @@ int clock_pll(int fsys, int flags)
return fout;
}
/*
* get_clocks() fills in gd->cpu_clock and gd->bus_clk
*/
/* get_clocks() fills in gd->cpu_clock and gd->bus_clk */
int get_clocks(void)
{
gd->bus_clk = clock_pll(CONFIG_SYS_CLK / 1000, 0) * 1000;

11
cpu/mcf532x/start.S
View File

@@ -2,6 +2,9 @@
* Copyright (C) 2003 Josef Baumgartner <josef.baumgartner@telex.de>
* Based on code from Bernhard Kuhn <bkuhn@metrowerks.com>
*
* (C) Copyright 2004-2008 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -140,6 +143,14 @@ _start:
movec %d0, %ACR0
movec %d0, %ACR1
#ifdef CONFIG_MCF5301x
move.l #(0xFC0a0010), %a0
move.w (%a0), %d0
and.l %d0, 0xEFFF
move.w %d0, (%a0)
#endif
/* initialize general use internal ram */
move.l #0, %d0
move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1

34
cpu/mcf5445x/cpu_init.c
View File

@@ -27,10 +27,15 @@
#include <common.h>
#include <watchdog.h>
#include <asm/immap.h>
#include <asm/rtc.h>
#if defined(CONFIG_CMD_NET)
#include <config.h>
#include <net.h>
#include <asm/fec.h>
#endif
/*
* Breath some life into the CPU...
*
@@ -139,3 +144,30 @@ void uart_port_conf(void)
break;
}
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
struct fec_info_s *info = (struct fec_info_s *)dev->priv;
if (setclear) {
gpio->par_feci2c |=
(GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
gpio->par_fec |= GPIO_PAR_FEC_FEC0_RMII_GPIO;
else
gpio->par_fec |= GPIO_PAR_FEC_FEC1_RMII_ATA;
} else {
gpio->par_feci2c &=
~(GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
gpio->par_fec &= GPIO_PAR_FEC_FEC0_MASK;
else
gpio->par_fec &= GPIO_PAR_FEC_FEC1_MASK;
}
return 0;
}
#endif

27
cpu/mcf547x_8x/cpu_init.c
View File

@@ -29,6 +29,12 @@
#include <MCD_dma.h>
#include <asm/immap.h>
#if defined(CONFIG_CMD_NET)
#include <config.h>
#include <net.h>
#include <asm/fsl_mcdmafec.h>
#endif
/*
* Breath some life into the CPU...
*
@@ -130,3 +136,24 @@ void uart_port_conf(void)
*pscsicr &= 0xF8;
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
struct fec_info_dma *info = (struct fec_info_dma *)dev->priv;
if (setclear) {
if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
gpio->par_feci2cirq |= 0xF000;
else
gpio->par_feci2cirq |= 0x0FC0;
} else {
if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
gpio->par_feci2cirq &= 0x0FFF;
else
gpio->par_feci2cirq &= 0xF03F;
}
return 0;
}
#endif