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-rw-r--r--cpu/mpc83xx/cpu.c54
-rw-r--r--cpu/mpc83xx/spd_sdram.c304
-rw-r--r--cpu/mpc83xx/speed.c209
3 files changed, 309 insertions, 258 deletions
diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c
index 4e82a8b..1de337b 100644
--- a/cpu/mpc83xx/cpu.c
+++ b/cpu/mpc83xx/cpu.c
@@ -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 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 PVR_8349_REV11:
+ 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;
}
diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c
index 3dfde8a..acc8c9e 100644
--- a/cpu/mpc83xx/spd_sdram.c
+++ b/cpu/mpc83xx/spd_sdram.c
@@ -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);
diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c
index 412713f..31fcadd 100644
--- a/cpu/mpc83xx/speed.c
+++ b/cpu/mpc83xx/speed.c
@@ -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 */
+ clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
- /* 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;
+ 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
}
- 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);
- }
+ 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;
-
- gd->cpu_clk = gd->core_clk;
- gd->bus_clk = gd->lbiu_clk;
+#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->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;
}
generated by cgit v1.1 at 2024-11-01 16:09:13 +0000