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mpc83xx: Add MPC8360EMDS basic board support

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Add support for the Freescale MPC8360EMDS board.
Includes DDR, DUART, Local Bus, PCI.
This commit is contained in:
Dave Liu
2006-11-03 19:33:44 -06:00
committed by Kim Phillips
parent 23892e4935
commit 5f8204394e
14 changed files with 2092 additions and 276 deletions
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54
cpu/mpc83xx/cpu.c
View File

@@ -43,28 +43,70 @@ DECLARE_GLOBAL_DATA_PTR;
int checkcpu(void)
{
volatile immap_t *immr;
ulong clock = gd->cpu_clk;
u32 pvr = get_pvr();
u32 spridr;
char buf[32];
immr = (immap_t *)CFG_IMMRBAR;
if ((pvr & 0xFFFF0000) != PVR_83xx) {
puts("Not MPC83xx Family!!!\n");
return -1;
}
puts("CPU: MPC83xx, ");
switch(pvr) {
case PVR_8349_REV10:
spridr = immr->sysconf.spridr;
puts("CPU: ");
switch(spridr) {
case SPR_8349E_REV10:
case SPR_8349E_REV11:
puts("MPC8349E, ");
break;
case PVR_8349_REV11:
case SPR_8349_REV10:
case SPR_8349_REV11:
puts("MPC8349, ");
break;
case SPR_8347E_REV10_TBGA:
case SPR_8347E_REV11_TBGA:
case SPR_8347E_REV10_PBGA:
case SPR_8347E_REV11_PBGA:
puts("MPC8347E, ");
break;
case SPR_8347_REV10_TBGA:
case SPR_8347_REV11_TBGA:
case SPR_8347_REV10_PBGA:
case SPR_8347_REV11_PBGA:
puts("MPC8347, ");
break;
case SPR_8343E_REV10:
case SPR_8343E_REV11:
puts("MPC8343E, ");
break;
case SPR_8343_REV10:
case SPR_8343_REV11:
puts("MPC8343, ");
break;
case SPR_8360E_REV10:
case SPR_8360E_REV11:
case SPR_8360E_REV12:
puts("MPC8360E, ");
break;
case SPR_8360_REV10:
case SPR_8360_REV11:
case SPR_8360_REV12:
puts("MPC8360, ");
break;
default:
puts("Rev: Unknown\n");
return -1; /* Not sure what this is */
}
printf("Rev: %d.%d at %s MHz\n", (pvr & 0xf0) >> 4,
(pvr & 0x0f), strmhz(buf, clock));
#if defined(CONFIG_MPC8349)
printf("Rev: %02x at %s MHz\n", (spridr & 0x0000FFFF)>>4 |(spridr & 0x0000000F), strmhz(buf, clock));
#else
printf("Rev: %02x at %s MHz\n", spridr & 0x0000FFFF, strmhz(buf, clock));
#endif
return 0;
}

304
cpu/mpc83xx/spd_sdram.c
View File

@@ -4,7 +4,7 @@
* (C) Copyright 2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright 2004 Freescale Semiconductor.
* Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
* (C) Copyright 2003 Motorola Inc.
* Xianghua Xiao (X.Xiao@motorola.com)
*
@@ -112,14 +112,10 @@ static void spd_debug(spd_eeprom_t *spd)
long int spd_sdram()
{
#ifdef CONFIG_MPC834X
int caslat_83xx; /* For Errata DDR6 */
#endif
volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
volatile ddr83xx_t *ddr = &immap->ddr;
volatile law83xx_t *ecm = &immap->sysconf.ddrlaw[0];
spd_eeprom_t spd;
unsigned int tmp, tmp1;
unsigned int memsize;
unsigned int law_size;
unsigned char caslat, caslat_ctrl;
@@ -131,28 +127,7 @@ long int spd_sdram()
unsigned sdram_cfg;
unsigned int ddrc_ecc_enable;
/* Read SPD parameters with I2C */
#ifdef CFG_83XX_DDR_USES_CS0
ddr->csbnds[0].csbnds = (banksize(spd.row_dens) >> 24) - 1;
ddr->cs_config[0] = ( 1 << 31
| (spd.nrow_addr - 12) << 8
| (spd.ncol_addr - 8) );
debug("\n");
debug("cs0_bnds = 0x%08x\n",ddr->csbnds[0].csbnds);
debug("cs0_config = 0x%08x\n",ddr->cs_config[0]);
if (spd.nrows == 2) {
ddr->csbnds[1].csbnds = ( (banksize(spd.row_dens) >> 8)
| ((banksize(spd.row_dens) >> 23) - 1) );
ddr->cs_config[1] = ( 1<<31
| (spd.nrow_addr-12) << 8
| (spd.ncol_addr-8) );
debug("cs1_bnds = 0x%08x\n",ddr->csbnds[1].csbnds);
debug("cs1_config = 0x%08x\n",ddr->cs_config[1]);
}
#else
CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) & spd, sizeof (spd));
#ifdef SPD_DEBUG
spd_debug(&spd);
@@ -183,6 +158,26 @@ long int spd_sdram()
return 0;
}
/* Setup DDR chip select register */
#ifdef CFG_83XX_DDR_USES_CS0
ddr->csbnds[0].csbnds = (banksize(spd.row_dens) >> 24) - 1;
ddr->cs_config[0] = ( 1 << 31
| (spd.nrow_addr - 12) << 8
| (spd.ncol_addr - 8) );
debug("\n");
debug("cs0_bnds = 0x%08x\n",ddr->csbnds[0].csbnds);
debug("cs0_config = 0x%08x\n",ddr->cs_config[0]);
if (spd.nrows == 2) {
ddr->csbnds[1].csbnds = ( (banksize(spd.row_dens) >> 8)
| ((banksize(spd.row_dens) >> 23) - 1) );
ddr->cs_config[1] = ( 1<<31
| (spd.nrow_addr-12) << 8
| (spd.ncol_addr-8) );
debug("cs1_bnds = 0x%08x\n",ddr->csbnds[1].csbnds);
debug("cs1_config = 0x%08x\n",ddr->cs_config[1]);
}
#else
ddr->csbnds[2].csbnds = (banksize(spd.row_dens) >> 24) - 1;
ddr->cs_config[2] = ( 1 << 31
| (spd.nrow_addr - 12) << 8
@@ -243,8 +238,9 @@ long int spd_sdram()
*/
caslat = __ilog2(spd.cas_lat);
if (caslat > 4 ) {
printf("DDR: Invalid SPD CAS Latency, caslat=%02X\n", caslat);
if (caslat > 6 ) {
printf("DDR: Invalid SPD CAS Latency, caslat=%02X\n",
spd.cas_lat);
return 0;
}
max_bus_clk = 1000 *10 / (((spd.clk_cycle & 0xF0) >> 4) * 10
@@ -256,89 +252,110 @@ long int spd_sdram()
ddrc_clk = get_ddr_clk(0) / 1000000;
if (max_data_rate >= 390) { /* it is DDR 400 */
printf("DDR: platform not support DDR 400\n");
return 0;
if (ddrc_clk <= 410 && ddrc_clk > 350) {
/* DDR controller clk at 350~410 */
effective_data_rate = 400; /* 5ns */
caslat = caslat;
} else if (ddrc_clk <= 350 && ddrc_clk > 280) {
/* DDR controller clk at 280~350 */
effective_data_rate = 333; /* 6ns */
if (spd.clk_cycle2 == 0x60) {
caslat = caslat - 1;
} else {
caslat = caslat;
}
} else if (ddrc_clk <= 280 && ddrc_clk > 230) {
/* DDR controller clk at 230~280 */
effective_data_rate = 266; /* 7.5ns */
if (spd.clk_cycle3 == 0x75) {
caslat = caslat - 2;
} else if (spd.clk_cycle2 == 0x60) {
caslat = caslat - 1;
} else {
caslat = caslat;
}
} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
/* DDR controller clk at 90~230 */
effective_data_rate = 200; /* 10ns */
if (spd.clk_cycle3 == 0x75) {
caslat = caslat - 2;
} else if (spd.clk_cycle2 == 0x60) {
caslat = caslat - 1;
} else {
caslat = caslat;
}
}
} else if (max_data_rate >= 323) { /* it is DDR 333 */
if (ddrc_clk <= 350 && ddrc_clk > 280) {
/* DDRC clk at 280~350 */
/* DDR controller clk at 280~350 */
effective_data_rate = 333; /* 6ns */
caslat = caslat;
} else if (ddrc_clk <= 280 && ddrc_clk > 230) {
/* DDRC clk at 230~280 */
/* DDR controller clk at 230~280 */
effective_data_rate = 266; /* 7.5ns */
if (spd.clk_cycle2 == 0x75) {
effective_data_rate = 266; /* 7.5ns */
caslat = caslat - 1;
} else {
caslat = caslat;
}
} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
/* DDRC clk at 90~230 */
/* DDR controller clk at 90~230 */
effective_data_rate = 200; /* 10ns */
if (spd.clk_cycle3 == 0xa0) {
effective_data_rate = 200; /* 10ns */
caslat = caslat - 2;
} else if (spd.clk_cycle2 == 0x75) {
caslat = caslat - 1;
} else {
caslat = caslat;
}
}
} else if (max_data_rate >= 256) { /* it is DDR 266 */
if (ddrc_clk <= 350 && ddrc_clk > 280) {
/* DDRC clk at 280~350 */
/* DDR controller clk at 280~350 */
printf("DDR: DDR controller freq is more than "
"max data rate of the module\n");
return 0;
} else if (ddrc_clk <= 280 && ddrc_clk > 230) {
/* DDRC clk at 230~280 */
/* DDR controller clk at 230~280 */
effective_data_rate = 266; /* 7.5ns */
caslat = caslat;
} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
/* DDRC clk at 90~230 */
/* DDR controller clk at 90~230 */
effective_data_rate = 200; /* 10ns */
if (spd.clk_cycle2 == 0xa0) {
effective_data_rate = 200; /* 10ns */
caslat = caslat - 1;
}
}
} else if (max_data_rate >= 190) { /* it is DDR 200 */
if (ddrc_clk <= 350 && ddrc_clk > 230) {
/* DDRC clk at 230~350 */
/* DDR controller clk at 230~350 */
printf("DDR: DDR controller freq is more than "
"max data rate of the module\n");
return 0;
} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
/* DDRC clk at 90~230 */
/* DDR controller clk at 90~230 */
effective_data_rate = 200; /* 10ns */
caslat = caslat;
}
}
#ifdef CONFIG_MPC834X
/* Errata DDR6
This errata affects all MPC8349E, MPC8343E and MPC8347E processors.
*/
if ((tmp1 >= 280) && (tmp1 < 350)) /* CSB=333 */
{
if (spd.mid[0] == 0x2c) {
/* Micron memory running at 333 MHz */
/* Chances are, U-Boot will crash before we get here,
but just in case, display a message and return error. */
printf("Micron DDR not supported at 333MHz CSB\n");
return 0;
} else if (spd.mid[0] == 0xad) {
printf("Hynix DDR does not require Errata DDR6\n");
} else {
/* enable 2 cycle Earlier for CL=2.5 or 3 */
ddr->debug_reg = 0x202c0000;
printf("Errata DDR6 (debug_reg=0x%x)\n", ddr->debug_reg);
}
caslat_83xx = caslat;
}
if ((tmp1 >= 230) && (tmp1 < 280)) { /* CSB=266 */
if (spd.mid[0] != 0x2c) /* non-Micron */
caslat_83xx = caslat - 1;
debug("DDR:Effective data rate is: %dMhz\n", effective_data_rate);
debug("DDR:The MSB 1 of CAS Latency is: %d\n", caslat);
/*
* Errata DDR6 work around: input enable 2 cycles earlier.
* including MPC834x Rev1.0/1.1 and MPC8360 Rev1.1/1.2.
*/
if (caslat == 2) {
ddr->debug_reg = 0x201c0000; /* CL=2 */
} else if (caslat == 3) {
ddr->debug_reg = 0x202c0000; /* CL=2.5 */
} else if (caslat == 4) {
ddr->debug_reg = 0x202c0000; /* CL=3.0 */
}
__asm__ __volatile__ ("sync");
if ((tmp1 >= 90) && (tmp1 < 230)) { /* CSB=200 */
caslat = 3;
caslat_83xx = 2;
}
#endif
debug("Errata DDR6 (debug_reg=0x%08x)\n", ddr->debug_reg);
/*
* note: caslat must also be programmed into ddr->sdram_mode
@@ -353,11 +370,7 @@ long int spd_sdram()
(((picos_to_clk(spd.trp * 250) & 0x07) << 28 ) |
((picos_to_clk(spd.tras * 1000) & 0x0f ) << 24 ) |
((picos_to_clk(spd.trcd * 250) & 0x07) << 20 ) |
#ifdef CONFIG_MPC834x
((caslat_83xx & 0x07) << 16 ) |
#else
((caslat_ctrl & 0x07) << 16 ) |
#endif
(((picos_to_clk(spd.trfc * 1000) - 8) & 0x0f) << 12 ) |
( 0x300 ) |
((picos_to_clk(spd.trrd * 250) & 0x07) << 4) | 1);
@@ -370,13 +383,10 @@ long int spd_sdram()
ddr->sdram_cfg = 0x42000000;
/* Check DIMM data bus width */
if (spd.dataw_lsb == 0x20)
{
if (spd.dataw_lsb == 0x20) {
burstlen = 0x03; /* 32 bit data bus, burst len is 8 */
printf("\n DDR DIMM: data bus width is 32 bit");
}
else
{
} else {
burstlen = 0x02; /* Others act as 64 bit bus, burst len is 4 */
printf("\n DDR DIMM: data bus width is 64 bit");
}
@@ -384,68 +394,67 @@ long int spd_sdram()
/* Is this an ECC DDR chip? */
if (spd.config == 0x02) {
printf(" with ECC\n");
}
else
} else {
printf(" without ECC\n");
}
/* Burst length is always 4 for 64 bit data bus, 8 for 32 bit data bus,
Burst type is sequential
*/
switch(caslat) {
case 1:
ddr->sdram_mode = 0x50 | burstlen; /* CL=1.5 */
break;
case 2:
ddr->sdram_mode = 0x20 | burstlen; /* CL=2.0 */
break;
case 3:
ddr->sdram_mode = 0x60 | burstlen; /* CL=2.5 */
break;
case 4:
ddr->sdram_mode = 0x30 | burstlen; /* CL=3.0 */
break;
default:
printf("DDR:only CAS Latency 1.5, 2.0, 2.5, 3.0 "
"is supported.\n");
return 0;
switch (caslat) {
case 1:
ddr->sdram_mode = 0x50 | burstlen; /* CL=1.5 */
break;
case 2:
ddr->sdram_mode = 0x20 | burstlen; /* CL=2.0 */
break;
case 3:
ddr->sdram_mode = 0x60 | burstlen; /* CL=2.5 */
break;
case 4:
ddr->sdram_mode = 0x30 | burstlen; /* CL=3.0 */
break;
default:
printf("DDR:only CL 1.5, 2.0, 2.5, 3.0 is supported\n");
return 0;
}
debug("DDR:sdram_mode=0x%08x\n", ddr->sdram_mode);
switch(spd.refresh) {
case 0x00:
case 0x80:
tmp = picos_to_clk(15625000);
break;
case 0x01:
case 0x81:
tmp = picos_to_clk(3900000);
break;
case 0x02:
case 0x82:
tmp = picos_to_clk(7800000);
break;
case 0x03:
case 0x83:
tmp = picos_to_clk(31300000);
break;
case 0x04:
case 0x84:
tmp = picos_to_clk(62500000);
break;
case 0x05:
case 0x85:
tmp = picos_to_clk(125000000);
break;
default:
tmp = 0x512;
break;
switch (spd.refresh) {
case 0x00:
case 0x80:
refresh_clk = picos_to_clk(15625000);
break;
case 0x01:
case 0x81:
refresh_clk = picos_to_clk(3900000);
break;
case 0x02:
case 0x82:
refresh_clk = picos_to_clk(7800000);
break;
case 0x03:
case 0x83:
refresh_clk = picos_to_clk(31300000);
break;
case 0x04:
case 0x84:
refresh_clk = picos_to_clk(62500000);
break;
case 0x05:
case 0x85:
refresh_clk = picos_to_clk(125000000);
break;
default:
refresh_clk = 0x512;
break;
}
/*
* Set BSTOPRE to 0x100 for page mode
* If auto-charge is used, set BSTOPRE = 0
*/
ddr->sdram_interval = ((tmp & 0x3fff) << 16) | 0x100;
ddr->sdram_interval = ((refresh_clk & 0x3fff) << 16) | 0x100;
debug("DDR:sdram_interval=0x%08x\n", ddr->sdram_interval);
/* SS_EN = 0, source synchronous disable
@@ -459,8 +468,8 @@ long int spd_sdram()
udelay(600);
/*
* Figure out the settings for the sdram_cfg register. Build up
* the entire register in 'tmp' before writing since the write into
* Figure out the settings for the sdram_cfg register. Build up
* the value in 'sdram_cfg' before writing since the write into
* the register will actually enable the memory controller, and all
* settings must be done before enabling.
*
@@ -493,13 +502,13 @@ long int spd_sdram()
/* set single bit error threshold to maximum value,
* reset counter to zero */
ddr->err_sbe = (255 << ECC_ERROR_MAN_SBET_SHIFT) |
(0 << ECC_ERROR_MAN_SBEC_SHIFT);
(0 << ECC_ERROR_MAN_SBEC_SHIFT);
}
debug("DDR:err_disable=0x%08x\n", ddr->err_disable);
debug("DDR:err_sbe=0x%08x\n", ddr->err_sbe);
#endif
printf(" DDRC ECC mode: %s", ddrc_ecc_enable ? "ON":"OFF");
printf(" DDRC ECC mode: %s\n", ddrc_ecc_enable ? "ON":"OFF");
#if defined(CONFIG_DDR_2T_TIMING)
/*
@@ -517,7 +526,6 @@ long int spd_sdram()
}
#endif /* CONFIG_SPD_EEPROM */
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
/*
* Use timebase counter, get_timer() is not availabe
@@ -602,26 +610,16 @@ void ddr_enable_ecc(unsigned int dram_size)
}
}
/* 8K */
dma_xfer((uint *)0x2000, 0x2000, (uint *)0);
/* 16K */
dma_xfer((uint *)0x4000, 0x4000, (uint *)0);
/* 32K */
dma_xfer((uint *)0x8000, 0x8000, (uint *)0);
/* 64K */
dma_xfer((uint *)0x10000, 0x10000, (uint *)0);
/* 128k */
dma_xfer((uint *)0x20000, 0x20000, (uint *)0);
/* 256k */
dma_xfer((uint *)0x40000, 0x40000, (uint *)0);
/* 512k */
dma_xfer((uint *)0x80000, 0x80000, (uint *)0);
/* 1M */
dma_xfer((uint *)0x100000, 0x100000, (uint *)0);
/* 2M */
dma_xfer((uint *)0x200000, 0x200000, (uint *)0);
/* 4M */
dma_xfer((uint *)0x400000, 0x400000, (uint *)0);
dma_xfer((uint *)0x2000, 0x2000, (uint *)0); /* 8K */
dma_xfer((uint *)0x4000, 0x4000, (uint *)0); /* 16K */
dma_xfer((uint *)0x8000, 0x8000, (uint *)0); /* 32K */
dma_xfer((uint *)0x10000, 0x10000, (uint *)0); /* 64K */
dma_xfer((uint *)0x20000, 0x20000, (uint *)0); /* 128K */
dma_xfer((uint *)0x40000, 0x40000, (uint *)0); /* 256K */
dma_xfer((uint *)0x80000, 0x80000, (uint *)0); /* 512K */
dma_xfer((uint *)0x100000, 0x100000, (uint *)0); /* 1M */
dma_xfer((uint *)0x200000, 0x200000, (uint *)0); /* 2M */
dma_xfer((uint *)0x400000, 0x400000, (uint *)0); /* 4M */
for (i = 1; i < dram_size / 0x800000; i++) {
dma_xfer((uint *)(0x800000*i), 0x800000, (uint *)0);

209
cpu/mpc83xx/speed.c
View File

@@ -2,7 +2,7 @@
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright 2004 Freescale Semiconductor, Inc.
* Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -104,79 +104,52 @@ int get_clocks (void)
u32 lcrr;
u32 csb_clk;
#if defined(CONFIG_MPC8349)
u32 tsec1_clk;
u32 tsec2_clk;
u32 core_clk;
u32 usbmph_clk;
u32 usbdr_clk;
u32 i2c_clk;
#endif
u32 core_clk;
u32 i2c1_clk;
u32 i2c2_clk;
u32 enc_clk;
u32 lbiu_clk;
u32 lclk_clk;
u32 ddr_clk;
#if defined (CONFIG_MPC8360)
u32 qepmf;
u32 qepdf;
u32 ddr_sec_clk;
u32 qe_clk;
u32 brg_clk;
#endif
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
return -1;
#ifndef CFG_HRCW_HIGH
# error "CFG_HRCW_HIGH must be defined in board config file"
#endif /* CFG_HCWD_HIGH */
#if (CFG_HRCW_HIGH & HRCWH_PCI_HOST)
# ifndef CONFIG_83XX_CLKIN
# error "In PCI Host Mode, CONFIG_83XX_CLKIN must be defined in board config file"
# endif /* CONFIG_83XX_CLKIN */
# ifdef CONFIG_83XX_PCICLK
# warning "In PCI Host Mode, CONFIG_83XX_PCICLK in board config file is igonred"
# endif /* CONFIG_83XX_PCICLK */
/* PCI Host Mode */
if (!(im->reset.rcwh & RCWH_PCIHOST)) {
/* though RCWH_PCIHOST is defined in CFG_HRCW_HIGH
* the im->reset.rcwhr PCI Host Mode is disabled
* FIXME: findout if there is a way to issue some warning */
return -2;
}
if (im->clk.spmr & SPMR_CKID) {
/* PCI Clock is half CONFIG_83XX_CLKIN */
pci_sync_in = CONFIG_83XX_CLKIN / 2;
}
else {
pci_sync_in = CONFIG_83XX_CLKIN;
}
#else /* (CFG_HRCW_HIGH & HRCWH_PCI_HOST) */
# ifdef CONFIG_83XX_CLKIN
# warning "In PCI Agent Mode, CONFIG_83XX_CLKIN in board config file is igonred"
# endif /* CONFIG_83XX_CLKIN */
# ifndef CONFIG_83XX_PCICLK
# error "In PCI Agent Mode, CONFIG_83XX_PCICLK must be defined in board config file"
# endif /* CONFIG_83XX_PCICLK */
/* PCI Agent Mode */
if (im->reset.rcwh & RCWH_PCIHOST) {
/* though RCWH_PCIHOST is not defined in CFG_HRCW_HIGH
* the im->reset.rcwhr PCI Host Mode is enabled */
return -3;
}
pci_sync_in = CONFIG_83XX_PCICLK;
#endif /* (CFG_HRCW_HIGH | RCWH_PCIHOST) */
/* we have up to date pci_sync_in */
spmf = ((im->reset.rcwl & RCWL_SPMF) >> RCWL_SPMF_SHIFT);
clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
if ((im->reset.rcwl & RCWL_LBIUCM) || (im->reset.rcwl & RCWL_DDRCM)) {
csb_clk = (pci_sync_in * spmf * (1 + clkin_div)) / 2;
}
else {
csb_clk = pci_sync_in * spmf * (1 + clkin_div);
if (im->reset.rcwh & HRCWH_PCI_HOST) {
#if defined(CONFIG_83XX_CLKIN)
pci_sync_in = CONFIG_83XX_CLKIN / (1 + clkin_div);
#else
pci_sync_in = 0xDEADBEEF;
#endif
} else {
#if defined(CONFIG_83XX_PCICLK)
pci_sync_in = CONFIG_83XX_PCICLK;
#else
pci_sync_in = 0xDEADBEEF;
#endif
}
spmf = ((im->reset.rcwl & RCWL_SPMF) >> RCWL_SPMF_SHIFT);
csb_clk = pci_sync_in * (1 + clkin_div) * spmf;
sccr = im->clk.sccr;
#if defined(CONFIG_MPC8349)
switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) {
case 0:
tsec1_clk = 0;
@@ -212,25 +185,8 @@ int get_clocks (void)
/* unkown SCCR_TSEC2CM value */
return -5;
}
i2c_clk = tsec2_clk;
switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
case 0:
enc_clk = 0;
break;
case 1:
enc_clk = csb_clk;
break;
case 2:
enc_clk = csb_clk / 2;
break;
case 3:
enc_clk = csb_clk / 3;
break;
default:
/* unkown SCCR_ENCCM value */
return -6;
}
i2c1_clk = tsec2_clk;
switch ((sccr & SCCR_USBMPHCM) >> SCCR_USBMPHCM_SHIFT) {
case 0:
@@ -274,8 +230,34 @@ int get_clocks (void)
/* if USB MPH clock is not disabled and USB DR clock is not disabled than USB MPH & USB DR must have the same rate */
return -9;
}
#endif
#if defined (CONFIG_MPC8360)
i2c1_clk = csb_clk;
#endif
i2c2_clk = csb_clk; /* i2c-2 clk is equal to csb clk */
switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
case 0:
enc_clk = 0;
break;
case 1:
enc_clk = csb_clk;
break;
case 2:
enc_clk = csb_clk / 2;
break;
case 3:
enc_clk = csb_clk / 3;
break;
default:
/* unkown SCCR_ENCCM value */
return -6;
}
#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360)
lbiu_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
#else
#error Unknown MPC83xx chip
#endif
lcrr = (im->lbus.lcrr & LCRR_CLKDIV) >> LCRR_CLKDIV_SHIFT;
switch (lcrr) {
case 2:
@@ -287,10 +269,16 @@ int get_clocks (void)
/* unknown lcrr */
return -10;
}
#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360)
ddr_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_DDRCM) >> RCWL_DDRCM_SHIFT));
corepll = (im->reset.rcwl & RCWL_COREPLL) >> RCWL_COREPLL_SHIFT;
#if defined (CONFIG_MPC8360)
ddr_sec_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
#endif
#else
#error Unknown MPC83xx chip
#endif
corecnf_tab_index = ((corepll & 0x1F) << 2) | ((corepll & 0x60) >> 5);
if (corecnf_tab_index > (sizeof(corecnf_tab)/sizeof(corecnf_t)) ) {
/* corecnf_tab_index is too high, possibly worng value */
@@ -319,22 +307,36 @@ int get_clocks (void)
return -12;
}
gd->csb_clk = csb_clk ;
gd->tsec1_clk = tsec1_clk ;
gd->tsec2_clk = tsec2_clk ;
gd->core_clk = core_clk ;
gd->usbmph_clk = usbmph_clk;
gd->usbdr_clk = usbdr_clk ;
gd->i2c_clk = i2c_clk ;
gd->enc_clk = enc_clk ;
gd->lbiu_clk = lbiu_clk ;
gd->lclk_clk = lclk_clk ;
gd->ddr_clk = ddr_clk ;
gd->pci_clk = pci_sync_in;
#if defined (CONFIG_MPC8360)
qepmf = (im->reset.rcwl & RCWL_CEPMF) >> RCWL_CEPMF_SHIFT;
qepdf = (im->reset.rcwl & RCWL_CEPDF) >> RCWL_CEPDF_SHIFT;
qe_clk = (pci_sync_in * qepmf)/(1+qepdf);
brg_clk = qe_clk / 2;
#endif
gd->cpu_clk = gd->core_clk;
gd->bus_clk = gd->lbiu_clk;
gd->csb_clk = csb_clk;
#if defined(CONFIG_MPC8349)
gd->tsec1_clk = tsec1_clk;
gd->tsec2_clk = tsec2_clk;
gd->usbmph_clk = usbmph_clk;
gd->usbdr_clk = usbdr_clk;
#endif
gd->core_clk = core_clk;
gd->i2c1_clk = i2c1_clk;
gd->i2c2_clk = i2c2_clk;
gd->enc_clk = enc_clk;
gd->lbiu_clk = lbiu_clk;
gd->lclk_clk = lclk_clk;
gd->ddr_clk = ddr_clk;
#if defined (CONFIG_MPC8360)
gd->ddr_sec_clk = ddr_sec_clk;
gd->qe_clk = qe_clk;
gd->brg_clk = brg_clk;
#endif
gd->cpu_clk = gd->core_clk;
gd->bus_clk = gd->csb_clk;
return 0;
}
ulong get_ddr_clk(ulong dummy)
@@ -357,14 +359,23 @@ int print_clock_conf (void)
printf("Clock configuration:\n");
printf(" Coherent System Bus: %4d MHz\n",gd->csb_clk/1000000);
printf(" Core: %4d MHz\n",gd->core_clk/1000000);
debug(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000);
#if defined (CONFIG_MPC8360)
printf(" QE: %4d MHz\n",gd->qe_clk/1000000);
#endif
printf(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000);
printf(" Local Bus: %4d MHz\n",gd->lclk_clk/1000000);
debug(" DDR: %4d MHz\n",gd->ddr_clk/1000000);
debug(" I2C: %4d MHz\n",gd->i2c_clk/1000000);
debug(" TSEC1: %4d MHz\n",gd->tsec1_clk/1000000);
debug(" TSEC2: %4d MHz\n",gd->tsec2_clk/1000000);
debug(" USB MPH: %4d MHz\n",gd->usbmph_clk/1000000);
debug(" USB DR: %4d MHz\n",gd->usbdr_clk/1000000);
printf(" DDR: %4d MHz\n",gd->ddr_clk/1000000);
#if defined (CONFIG_MPC8360)
printf(" DDR Secondary: %4d MHz\n",gd->ddr_sec_clk/1000000);
#endif
printf(" SEC: %4d MHz\n",gd->enc_clk/1000000);
printf(" I2C1: %4d MHz\n",gd->i2c1_clk/1000000);
printf(" I2C2: %4d MHz\n",gd->i2c2_clk/1000000);
#if defined(CONFIG_MPC8349)
printf(" TSEC1: %4d MHz\n",gd->tsec1_clk/1000000);
printf(" TSEC2: %4d MHz\n",gd->tsec2_clk/1000000);
printf(" USB MPH: %4d MHz\n",gd->usbmph_clk/1000000);
printf(" USB DR: %4d MHz\n",gd->usbdr_clk/1000000);
#endif
return 0;
}