#define QRANK_DIMM_SUPPORT 0
#endif
-static inline void print_raminit(const char *strval, uint32_t val)
-{
#if CONFIG_USE_PRINTK_IN_CAR
- printk_debug("%s%08x\r\n", strval, val);
#else
- print_debug(strval); print_debug_hex32(val); print_debug("\r\n");
+#error This file needs CONFIG_USE_PRINTK_IN_CAR
#endif
-}
#define RAM_TIMING_DEBUG 0
-static inline void print_tx(const char *strval, uint32_t val)
-{
#if RAM_TIMING_DEBUG == 1
- print_raminit(strval, val);
-#endif
-}
-
-
-static inline void print_t(const char *strval)
-{
-#if RAM_TIMING_DEBUG == 1
- print_debug(strval);
+#define printk_raminit printk_debug
+#else
+#define printk_raminit(fmt, arg...)
#endif
-}
-
#if (CONFIG_LB_MEM_TOPK & (CONFIG_LB_MEM_TOPK -1)) != 0
}
sysinfo->ctrl_present[ctrl->node_id] = 1;
- print_spew("setting up CPU");
- print_spew_hex8(ctrl->node_id);
- print_spew(" northbridge registers\r\n");
+ printk_spew("setting up CPU %02x northbridge registers\n", ctrl->node_id);
max = ARRAY_SIZE(register_values);
for (i = 0; i < max; i += 3) {
device_t dev;
pci_write_config32(dev, where, reg);
}
- print_spew("done.\r\n");
+ printk_spew("done.\n");
}
if (value <=4 ) value += 8; // add back to 1G to high
value += (27-5); // make 128MB to the real lines
if ( value != (sz->per_rank)) {
- print_err("Bad RANK Size --\r\n");
+ printk_err("Bad RANK Size --\n");
goto val_err;
}
goto out;
val_err:
- die("Bad SPD value\r\n");
+ die("Bad SPD value\n");
/* If an hw_error occurs report that I have no memory */
hw_err:
sz->per_rank = 0;
}
/* Report the amount of memory. */
- print_debug("RAM: 0x");
- print_debug_hex32(tom_k);
- print_debug(" KB\r\n");
+ printk_debug("RAM: 0x%08x kB\n", tom_k);
msr_t msr;
if (tom_k > (4*1024*1024)) {
csbase += csbase_inc;
}
- print_debug("Interleaved\r\n");
+ printk_debug("Interleaved\n");
/* Return the memory size in K */
return common_size << ((27-10) + bits);
CMOS_VLEN_interleave_chip_selects, 1) != 0) {
tom_k = interleave_chip_selects(ctrl, meminfo->is_Width128);
} else {
- print_debug("Interleaving disabled\r\n");
+ printk_debug("Interleaving disabled\n");
tom_k = 0;
}
static long disable_dimm(const struct mem_controller *ctrl, unsigned index,
struct mem_info *meminfo)
{
- print_debug("disabling dimm");
- print_debug_hex8(index);
- print_debug("\r\n");
+ printk_debug("disabling dimm %02x\n", index);
if (!(meminfo->dimm_mask & 0x0F) && (meminfo->dimm_mask & 0xF0)) { /* channelB only? */
pci_write_config32(ctrl->f2, DRAM_CSBASE + (((index << 1) + 4) << 2), 0);
pci_write_config32(ctrl->f2, DRAM_CSBASE + (((index << 1) + 5) << 2), 0);
#if 1
if (meminfo->is_registered) {
- print_debug("Registered\r\n");
+ printk_debug("Registered\n");
} else {
- print_debug("Unbuffered\r\n");
+ printk_debug("Unbuffered\n");
}
#endif
return meminfo->dimm_mask;
int byte;
unsigned device;
device = ctrl->channel0[i];
+ printk_raminit("DIMM socket %i, channel 0 SPD device is 0x%02x\n", i, device);
if (device) {
byte = spd_read_byte(ctrl->channel0[i], SPD_MEM_TYPE); /* Type */
if (byte == SPD_MEM_TYPE_SDRAM_DDR2) {
}
}
device = ctrl->channel1[i];
+ printk_raminit("DIMM socket %i, channel 1 SPD device is 0x%02x\n", i, device);
if (device) {
byte = spd_read_byte(ctrl->channel1[i], SPD_MEM_TYPE);
if (byte == SPD_MEM_TYPE_SDRAM_DDR2) {
4, /* *Column addresses */
5, /* *Number of DIMM Ranks */
6, /* *Module Data Width*/
- 9, /* *Cycle time at highest CAS Latency CL=X */
11, /* *DIMM Conf Type */
13, /* *Pri SDRAM Width */
17, /* *Logical Banks */
- 18, /* *Supported CAS Latencies */
20, /* *DIMM Type Info */
21, /* *SDRAM Module Attributes */
- 23, /* *Cycle time at CAS Latnecy (CLX - 1) */
- 26, /* *Cycle time at CAS Latnecy (CLX - 2) */
27, /* *tRP Row precharge time */
28, /* *Minimum Row Active to Row Active Delay (tRRD) */
29, /* *tRCD RAS to CAS */
30, /* *tRAS Activate to Precharge */
36, /* *Write recovery time (tWR) */
37, /* *Internal write to read command delay (tRDP) */
- 38, /* *Internal read to precharge commanfd delay (tRTP) */
- 41, /* *Extension of Byte 41 tRC and Byte 42 tRFC */
+ 38, /* *Internal read to precharge command delay (tRTP) */
+ 40, /* *Extension of Byte 41 tRC and Byte 42 tRFC */
41, /* *Minimum Active to Active/Auto Refresh Time(Trc) */
42, /* *Minimum Auto Refresh Command Time(Trfc) */
+ /* The SPD addresses 18, 9, 23, 26 need special treatment like
+ * in spd_set_memclk. Right now they cause many false negatives.
+ * Keep them at the end to see other mismatches (if any).
+ */
+ 18, /* *Supported CAS Latencies */
+ 9, /* *Cycle time at highest CAS Latency CL=X */
+ 23, /* *Cycle time at CAS Latency (CLX - 1) */
+ 26, /* *Cycle time at CAS Latency (CLX - 2) */
};
u32 dcl, dcm;
+ u8 common_cl;
/* S1G1 and AM2 sockets are Mod64BitMux capable. */
#if CPU_SOCKET_TYPE == 0x11 || CPU_SOCKET_TYPE == 0x12
}
device0 = ctrl->channel0[i];
device1 = ctrl->channel1[i];
+ /* Abort if the chips don't support a common CAS latency. */
+ common_cl = spd_read_byte(device0, 18) & spd_read_byte(device1, 18);
+ if (!common_cl) {
+ printk_debug("No common CAS latency supported\n");
+ goto single_channel;
+ } else {
+ printk_raminit("Common CAS latency bitfield: 0x%02x\n", common_cl);
+ }
for (j = 0; j < ARRAY_SIZE(addresses); j++) {
unsigned addr;
addr = addresses[j];
return -1;
}
if (value0 != value1) {
+ printk_raminit("SPD values differ between channel 0/1 for byte %i\n", addr);
goto single_channel;
}
}
}
- print_spew("Enabling dual channel memory\r\n");
+ printk_spew("Enabling dual channel memory\n");
dcl = pci_read_config32(ctrl->f2, DRAM_CONFIG_LOW);
dcl &= ~DCL_BurstLength32; /* 32byte mode may be preferred in platforms that include graphics controllers that generate a lot of 32-bytes system memory accesses
32byte mode is not supported when the DRAM interface is 128 bits wides, even 32byte mode is set, system still use 64 byte mode */
static const struct mem_param speed[] = {
{
- .name = "200Mhz\r\n",
+ .name = "200MHz",
.cycle_time = 0x500,
.divisor = 200, // how many 1/40ns per clock
.dch_memclk = DCH_MemClkFreq_200MHz, //0
},
{
- .name = "266Mhz\r\n",
+ .name = "266MHz",
.cycle_time = 0x375,
.divisor = 150, //????
.dch_memclk = DCH_MemClkFreq_266MHz, //1
.DcqByPassMax = 4,
},
{
- .name = "333Mhz\r\n",
+ .name = "333MHz",
.cycle_time = 0x300,
.divisor = 120,
.dch_memclk = DCH_MemClkFreq_333MHz, //2
},
{
- .name = "400Mhz\r\n",
+ .name = "400MHz",
.cycle_time = 0x250,
.divisor = 100,
.dch_memclk = DCH_MemClkFreq_400MHz,//3
if (!param->cycle_time) {
die("min_cycle_time to low");
}
- print_spew(param->name);
-#ifdef DRAM_MIN_CYCLE_TIME
- print_debug(param->name);
-#endif
+ printk_debug("%s\n", param->name);
return param;
}
}
min_latency = 3;
- print_tx("1 min_cycle_time:", min_cycle_time);
+ printk_raminit("1 min_cycle_time: %08x\n", min_cycle_time);
/* Compute the least latency with the fastest clock supported
* by both the memory controller and the dimms.
int latency;
u32 spd_device = ctrl->channel0[i];
- print_tx("1.1 dimm_mask:", meminfo->dimm_mask);
+ printk_raminit("1.1 dimm_mask: %08x\n", meminfo->dimm_mask);
if (!(meminfo->dimm_mask & (1 << i))) {
if (meminfo->dimm_mask & (1 << (DIMM_SOCKETS + i))) { /* channelB only? */
spd_device = ctrl->channel1[i];
latencies = spd_read_byte(spd_device, SPD_CAS_LAT);
if (latencies <= 0) continue;
- print_tx("i:",i);
- print_tx("\tlatencies:", latencies);
- /* Compute the lowest cas latency supported */
+ printk_raminit("i: %08x\n",i);
+ printk_raminit("\tlatencies: %08x\n", latencies);
+ /* Compute the lowest cas latency which can be expressed in this
+ * particular SPD EEPROM. You can store at most settings for 3
+ * contiguous CAS latencies, so by taking the highest CAS
+ * latency maked as supported in the SPD and subtracting 2 you
+ * get the lowest expressable CAS latency. That latency is not
+ * necessarily supported, but a (maybe invalid) entry exists
+ * for it.
+ */
latency = log2(latencies) - 2;
/* Loop through and find a fast clock with a low latency */
goto hw_error;
}
- print_tx("\tindex:", index);
- print_tx("\t\tlatency:", latency);
- print_tx("\t\tvalue1:", value);
+ printk_raminit("\tindex: %08x\n", index);
+ printk_raminit("\t\tlatency: %08x\n", latency);
+ printk_raminit("\t\tvalue1: %08x\n", value);
value = convert_to_linear(value);
- print_tx("\t\tvalue2:", value);
+ printk_raminit("\t\tvalue2: %08x\n", value);
- /* Only increase the latency if we decreas the clock */
+ /* Only increase the latency if we decrease the clock */
if (value >= min_cycle_time ) {
if (value < new_cycle_time) {
new_cycle_time = value;
}
}
}
- print_tx("\t\tnew_cycle_time:", new_cycle_time);
- print_tx("\t\tnew_latency:", new_latency);
+ printk_raminit("\t\tnew_cycle_time: %08x\n", new_cycle_time);
+ printk_raminit("\t\tnew_latency: %08x\n", new_latency);
}
min_latency = new_latency;
}
- print_tx("2 min_cycle_time:", min_cycle_time);
- print_tx("2 min_latency:", min_latency);
+ printk_raminit("2 min_cycle_time: %08x\n", min_cycle_time);
+ printk_raminit("2 min_latency: %08x\n", min_latency);
}
/* Make a second pass through the dimms and disable
* any that cannot support the selected memclk and cas latency.
*/
- print_tx("3 min_cycle_time:", min_cycle_time);
- print_tx("3 min_latency:", min_latency);
+ printk_raminit("3 min_cycle_time: %08x\n", min_cycle_time);
+ printk_raminit("3 min_latency: %08x\n", min_latency);
for (i = 0; (i < DIMM_SOCKETS); i++) {
int latencies;
meminfo->dimm_mask = disable_dimm(ctrl, i, meminfo);
}
- print_tx("4 min_cycle_time:", min_cycle_time);
+ printk_raminit("4 min_cycle_time: %08x\n", min_cycle_time);
/* Now that I know the minimum cycle time lookup the memory parameters */
result.param = get_mem_param(min_cycle_time);
value |= result.param->dch_memclk << DCH_MemClkFreq_SHIFT;
pci_write_config32(ctrl->f2, DRAM_CONFIG_HIGH, value);
- print_debug(result.param->name);
+ printk_debug("%s\n", result.param->name);
/* Update DRAM Timing Low with our selected cas latency */
value = pci_read_config32(ctrl->f2, DRAM_TIMING_LOW);
value = spd_read_byte(spd_device, SPD_TRAS); //in 1 ns
if (value < 0) return -1;
- print_tx("update_dimm_Tras: 0 value=", value);
+ printk_raminit("update_dimm_Tras: 0 value= %08x\n", value);
value <<= 2; //convert it to in 1/4ns
value *= 10;
- print_tx("update_dimm_Tras: 1 value=", value);
+ printk_raminit("update_dimm_Tras: 1 value= %08x\n", value);
clocks = (value + param->divisor - 1)/param->divisor;
- print_tx("update_dimm_Tras: divisor=", param->divisor);
- print_tx("update_dimm_Tras: clocks=", clocks);
+ printk_raminit("update_dimm_Tras: divisor= %08x\n", param->divisor);
+ printk_raminit("update_dimm_Tras: clocks= %08x\n", clocks);
if (clocks < DTL_TRAS_MIN) {
clocks = DTL_TRAS_MIN;
}
uint32_t reg;
if ((val < TT_MIN) || (val > TT_MAX)) {
- print_err(str);
- die(" Unknown\r\n");
+ printk_err(str);
+ die(" Unknown\n");
}
reg = pci_read_config32(ctrl->f2, TT_REG);
break;
}
- print_raminit("\tdimm_mask = ", meminfo->dimm_mask);
- print_raminit("\tx4_mask = ", meminfo->x4_mask);
- print_raminit("\tx16_mask = ", meminfo->x16_mask);
- print_raminit("\tsingle_rank_mask = ", meminfo->single_rank_mask);
- print_raminit("\tODC = ", dword);
- print_raminit("\tAddr Timing= ", dwordx);
+ printk_raminit("\tdimm_mask = %08x\n", meminfo->dimm_mask);
+ printk_raminit("\tx4_mask = %08x\n", meminfo->x4_mask);
+ printk_raminit("\tx16_mask = %08x\n", meminfo->x16_mask);
+ printk_raminit("\tsingle_rank_mask = %08x\n", meminfo->single_rank_mask);
+ printk_raminit("\tODC = %08x\n", dword);
+ printk_raminit("\tAddr Timing= %08x\n", dwordx);
#endif
#if (DIMM_SUPPORT & 0x0100)==0x0000 /* 2T mode only used for unbuffered DIMM */
!(meminfo->dimm_mask & (1 << (DIMM_SOCKETS + i))) ) {
continue;
}
- print_tx("spd_set_dram_timing dimm socket: ", i);
+ printk_raminit("spd_set_dram_timing dimm socket: %08x\n", i);
/* DRAM Timing Low Register */
- print_t("\ttrc\r\n");
+ printk_raminit("\ttrc\n");
if ((rc = update_dimm_Trc (ctrl, param, i, meminfo->dimm_mask)) <= 0) goto dimm_err;
- print_t("\ttrcd\r\n");
+ printk_raminit("\ttrcd\n");
if ((rc = update_dimm_Trcd(ctrl, param, i, meminfo->dimm_mask)) <= 0) goto dimm_err;
- print_t("\ttrrd\r\n");
+ printk_raminit("\ttrrd\n");
if ((rc = update_dimm_Trrd(ctrl, param, i, meminfo->dimm_mask)) <= 0) goto dimm_err;
- print_t("\ttras\r\n");
+ printk_raminit("\ttras\n");
if ((rc = update_dimm_Tras(ctrl, param, i, meminfo->dimm_mask)) <= 0) goto dimm_err;
- print_t("\ttrp\r\n");
+ printk_raminit("\ttrp\n");
if ((rc = update_dimm_Trp (ctrl, param, i, meminfo->dimm_mask)) <= 0) goto dimm_err;
- print_t("\ttrtp\r\n");
+ printk_raminit("\ttrtp\n");
if ((rc = update_dimm_Trtp(ctrl, param, i, meminfo)) <= 0) goto dimm_err;
- print_t("\ttwr\r\n");
+ printk_raminit("\ttwr\n");
if ((rc = update_dimm_Twr (ctrl, param, i, meminfo->dimm_mask)) <= 0) goto dimm_err;
/* DRAM Timing High Register */
- print_t("\ttref\r\n");
+ printk_raminit("\ttref\n");
if ((rc = update_dimm_Tref(ctrl, param, i, meminfo->dimm_mask)) <= 0) goto dimm_err;
- print_t("\ttwtr\r\n");
+ printk_raminit("\ttwtr\n");
if ((rc = update_dimm_Twtr(ctrl, param, i, meminfo->dimm_mask)) <= 0) goto dimm_err;
- print_t("\ttrfc\r\n");
+ printk_raminit("\ttrfc\n");
if ((rc = update_dimm_Trfc(ctrl, param, i, meminfo)) <= 0) goto dimm_err;
/* DRAM Config Low */
#endif
meminfo = &sysinfo->meminfo[ctrl->node_id];
- print_debug_addr("sdram_set_spd_registers: paramx :", ¶mx);
+ printk_debug("sdram_set_spd_registers: paramx :%p\n", ¶mx);
activate_spd_rom(ctrl);
meminfo->dimm_mask = spd_detect_dimms(ctrl);
- print_tx("sdram_set_spd_registers: dimm_mask=0x%x\n", meminfo->dimm_mask);
+ printk_raminit("sdram_set_spd_registers: dimm_mask=0x%x\n", meminfo->dimm_mask);
if (!(meminfo->dimm_mask & ((1 << 2*DIMM_SOCKETS) - 1)))
{
- print_debug("No memory for this cpu\r\n");
+ printk_debug("No memory for this cpu\n");
return;
}
meminfo->dimm_mask = spd_enable_2channels(ctrl, meminfo);
- print_tx("spd_enable_2channels: dimm_mask=0x%x\n", meminfo->dimm_mask);
+ printk_raminit("spd_enable_2channels: dimm_mask=0x%x\n", meminfo->dimm_mask);
if (meminfo->dimm_mask == -1)
goto hw_spd_err;
meminfo->dimm_mask = spd_set_ram_size(ctrl, meminfo);
- print_tx("spd_set_ram_size: dimm_mask=0x%x\n", meminfo->dimm_mask);
+ printk_raminit("spd_set_ram_size: dimm_mask=0x%x\n", meminfo->dimm_mask);
if (meminfo->dimm_mask == -1)
goto hw_spd_err;
meminfo->dimm_mask = spd_handle_unbuffered_dimms(ctrl, meminfo);
- print_tx("spd_handle_unbuffered_dimms: dimm_mask=0x%x\n", meminfo->dimm_mask);
+ printk_raminit("spd_handle_unbuffered_dimms: dimm_mask=0x%x\n", meminfo->dimm_mask);
if (meminfo->dimm_mask == -1)
goto hw_spd_err;
result = spd_set_memclk(ctrl, meminfo);
param = result.param;
meminfo->dimm_mask = result.dimm_mask;
- print_tx("spd_set_memclk: dimm_mask=0x%x\n", meminfo->dimm_mask);
+ printk_raminit("spd_set_memclk: dimm_mask=0x%x\n", meminfo->dimm_mask);
if (meminfo->dimm_mask == -1)
goto hw_spd_err;
paramx.divisor = get_exact_divisor(param->dch_memclk, paramx.divisor);
meminfo->dimm_mask = spd_set_dram_timing(ctrl, ¶mx, meminfo);
- print_tx("spd_set_dram_timing: dimm_mask=0x%x\n", meminfo->dimm_mask);
+ printk_raminit("spd_set_dram_timing: dimm_mask=0x%x\n", meminfo->dimm_mask);
if (meminfo->dimm_mask == -1)
goto hw_spd_err;
/* FIXME: How about 32 node machine later? */
tsc_t tsc, tsc0[8];
- print_debug_addr("sdram_enable: tsc0[8]: ", &tsc0[0]);
+ printk_debug("sdram_enable: tsc0[8]: %p", &tsc0[0]);
#endif
uint32_t dword;
/* Error if I don't have memory */
if (memory_end_k(ctrl, controllers) == 0) {
- die("No memory\r\n");
+ die("No memory\n");
}
/* Before enabling memory start the memory clocks */
}
}
- /* We need to wait a mimmium of 20 MEMCLKS to enable the InitDram */
+ /* We need to wait a minimum of 20 MEMCLKS to enable the InitDram */
memreset(controllers, ctrl);
#if 0
- print_debug("prepare to InitDram:");
+ printk_debug("prepare to InitDram:");
for (i=0; i<10; i++) {
- print_debug_hex32(i);
+ printk_debug("%08x", i);
print_debug("\b\b\b\b\b\b\b\b");
}
- print_debug("\r\n");
+ printk_debug("\n");
#endif
for (i = 0; i < controllers; i++) {
dcl = pci_read_config32(ctrl[i].f2, DRAM_CONFIG_LOW);
if (dcl & DCL_DimmEccEn) {
uint32_t mnc;
- print_spew("ECC enabled\r\n");
+ printk_spew("ECC enabled\n");
mnc = pci_read_config32(ctrl[i].f3, MCA_NB_CONFIG);
mnc |= MNC_ECC_EN;
if (dcl & DCL_Width128) {
/* Skip everything if I don't have any memory on this controller */
if (sysinfo->meminfo[i].dimm_mask==0x00) continue;
- print_debug("Initializing memory: ");
+ printk_debug("Initializing memory: ");
int loops = 0;
do {
dcl = pci_read_config32(ctrl[i].f2, DRAM_CONFIG_LOW);
loops++;
if ((loops & 1023) == 0) {
- print_debug(".");
+ printk_debug(".");
}
} while(((dcl & DCL_InitDram) != 0) && (loops < TIMEOUT_LOOPS));
if (loops >= TIMEOUT_LOOPS) {
- print_debug(" failed\r\n");
+ printk_debug(" failed\n");
continue;
}
if (cpu_f0_f1[i]) {
tsc= rdtsc();
- print_debug_dqs_tsc("\r\nbegin tsc0", i, tsc0[i].hi, tsc0[i].lo, 2);
+ print_debug_dqs_tsc("\nbegin tsc0", i, tsc0[i].hi, tsc0[i].lo, 2);
print_debug_dqs_tsc("end tsc ", i, tsc.hi, tsc.lo, 2);
if (tsc.lo<tsc0[i].lo) {
print_debug_dqs_tsc(" dtsc0", i, tsc0[i].hi, tsc0[i].lo, 2);
}
#endif
- print_debug(" done\r\n");
+ printk_debug(" done\n");
}
#if HW_MEM_HOLE_SIZEK != 0
projects / coreboot.git / blobdiff