diff options
author | Yinghai Lu <yinghai.lu@amd.com> | 2007-04-06 20:58:37 +0000 |
---|---|---|
committer | Stefan Reinauer <stepan@openbios.org> | 2007-04-06 20:58:37 +0000 |
commit | 75812a66bba98547683935c51d52dc25684ead85 (patch) | |
tree | 4ccfd60b8ee1bdad865e2595a8b433c568d2f59a /src/northbridge/amd/amdk8/raminit_f.c | |
parent | 47cb7c71c9c0296152fe573a88d81a080c61c334 (diff) | |
download | coreboot-75812a66bba98547683935c51d52dc25684ead85.tar.xz |
YhLu's patch from January 18th. This part is mostly cleaning up
dead code and adding a few fixmes.
Signed-off-by: Yinghai Lu <yinghai.lu@amd.com>
Signed-off-by: Ed Swierk <eswierk@arastra.com>
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ward Vandewege <ward@gnu.org>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2594 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/amd/amdk8/raminit_f.c')
-rw-r--r-- | src/northbridge/amd/amdk8/raminit_f.c | 290 |
1 files changed, 37 insertions, 253 deletions
diff --git a/src/northbridge/amd/amdk8/raminit_f.c b/src/northbridge/amd/amdk8/raminit_f.c index 6a06fe89ec..ed282f5339 100644 --- a/src/northbridge/amd/amdk8/raminit_f.c +++ b/src/northbridge/amd/amdk8/raminit_f.c @@ -79,16 +79,13 @@ static inline void print_t(const char *strval) */ -#if 1 static void setup_resource_map(const unsigned int *register_values, int max) { int i; - for(i = 0; i < max; i += 3) { device_t dev; unsigned where; unsigned long reg; - dev = register_values[i] & ~0xff; where = register_values[i] & 0xff; reg = pci_read_config32(dev, where); @@ -97,7 +94,6 @@ static void setup_resource_map(const unsigned int *register_values, int max) pci_write_config32(dev, where, reg); } } -#endif static int controller_present(const struct mem_controller *ctrl) { @@ -635,218 +631,13 @@ static void sdram_set_registers(const struct mem_controller *ctrl, struct sys_in - poll the DctAccessDone untio it = 1 */ -#if 0 - static const unsigned int index_register_values[] = { - /* Output Driver Compensation Control Register - * Index: 0x00 - * [ 1: 0] CkeDrvStren (CKE Drive Strength) - * 00 = 1.0x - * 01 = 1.25x - * 10 = 1.5x (Default) - * 11 = 2.0x - * [ 3: 2] reserved - * [ 5: 4] CsOdtDrvStren (CS/ODT Drive Strength) - * 00 = 1.0x - * 01 = 1.25x - * 10 = 1.5x (Default) - * 11 = 2.0x - * [ 7: 6] reserved - * [ 9: 8] AddrCmdDrvStren (Address/Command Drive Strength) - * 00 = 1.0x - * 01 = 1.25x - * 10 = 1.5x (Default) - * 11 = 2.0x - * [11:10] reserved - * [13:12] ClkDrvStren (MEMCLK Drive Strength) - * 00 = 0.75x - * 01 = 1.0x Default) - * 10 = 1.25x - * 11 = 1.5x - * [15:14] reserved - * [17:16] DataDrvStren (Data Drive Strength) - * 00 = 0.75x - * 01 = 1.0x Default) - * 10 = 1.25x - * 11 = 1.5x - * [19:18] reserved - * [21:20] DqsDrvStren (DQS Drive Strength) - * 00 = 0.75x - * 01 = 1.0x Default) - * 10 = 1.25x - * 11 = 1.5x - * [27:22] reserved - * [29:28] ProcOdt ( Processor On-die Termination) - * 00 = 300 ohms +/- 20% - * 01 = 150 ohms +/- 20% - * 10 = 75 ohms +/- 20% - * 11 = reserved - * [31:30] reserved - */ - 0x00, 0xcfcccccc, 0x00000000, - 0x20, 0xcfcccccc, 0x00000000, - /* Write Data Timing Low Control Register - * Index 0x01 - * [ 5: 0] WrDatTimeByte0 (Write Data Byte 0 Timing Control) - * 000000 = no delay - * 000001 = 1/96 MEMCLK delay - * 000010 = 2/96 MEMCLK delay - * ... - * 101111 = 47/96 MEMCLK delay - * 11xxxx = reserved - * [ 7: 6] reserved - * [13: 8] WrDatTimeByte1 (Write Data Byte 1 Timing Control) - * [15:14] reserved - * [21:16] WrDatTimeByte2 (Write Data Byte 2 Timing Control) - * [23:22] reserved - * [29:24] WrDatTimeByte3 (Write Data Byte 3 Timing Control) - * [31:30] reserved - */ - 0x01, 0xc0c0c0c0, 0x00000000, - 0x21, 0xc0c0c0c0, 0x00000000, - /* Write Data Timing High Control Register - * Index 0x02 - * [ 5: 0] WrDatTimeByte4 (Write Data Byte 4 Timing Control) - * [ 7: 6] reserved - * [13: 8] WrDatTimeByte5 (Write Data Byte 5 Timing Control) - * [15:14] reserved - * [21:16] WrDatTimeByte6 (Write Data Byte 6 Timing Control) - * [23:22] reserved - * [29:24] WrDatTimeByte7 (Write Data Byte 7 Timing Control) - * [31:30] reserved - */ - 0x02, 0xc0c0c0c0, 0x00000000, - 0x22, 0xc0c0c0c0, 0x00000000, - - /* Write Data ECC Timing Control Register - * Index 0x03 - * [ 5: 0] WrChkTime (Write Data ECC Timing Control) - * 000000 = no delay - * 000001 = 1/96 MEMCLK delay - * 000010 = 2/96 MEMCLK delay - * ... - * 101111 = 47/96 MEMCLK delay - * 11xxxx = reserved - * [31: 6] reserved - */ - 0x03, 0x000000c0, 0x00000000, - 0x23, 0x000000c0, 0x00000000, - - /* Address Timing Control Register - * Index 0x04 - * [ 4: 0] CkeFineDelay (CKE Fine Delay) - * 00000 = no delay - * 00001 = 1/64 MEMCLK delay - * 00010 = 2/64 MEMCLK delay - * ... - * 11111 = 31/64 MEMCLK delay - * [ 5: 5] CkeSetup (CKE Setup Time) - * 0 = 1/2 MEMCLK - * 1 = 1 MEMCLK - * [ 7: 6] reserved - * [12: 8] CsOdtFineDelay (CS/ODT Fine Delay) - * 00000 = no delay - * 00001 = 1/64 MEMCLK delay - * 00010 = 2/64 MEMCLK delay - * ... - * 11111 = 31/64 MEMCLK delay - * [13:13] CsOdtSetup (CS/ODT Setup Time) - * 0 = 1/2 MEMCLK - * 1 = 1 MEMCLK - * [15:14] reserved - * [20:16] AddrCmdFineDelay (Address/Command Fine Delay) - * 00000 = no delay - * 00001 = 1/64 MEMCLK delay - * 00010 = 2/64 MEMCLK delay - * ... - * 11111 = 31/64 MEMCLK delay - * [21:21] AddrCmdSetup (Address/Command Setup Time) - * 0 = 1/2 MEMCLK - * 1 = 1 MEMCLK - * [31:22] reserved - */ - 0x04, 0xffc0c0c0, 0x00000000, - 0x24, 0xffc0c0c0, 0x00000000, - - /* Read DQS Timing Low Control Register - * Index 0x05 - * [ 5: 0] RdDqsTimeByte0 (Read DQS Byte 0 Timing Control) - * 000000 = no delay - * 000001 = 1/96 MEMCLK delay - * 000010 = 2/96 MEMCLK delay - * ... - * 101111 = 47/96 MEMCLK delay - * 11xxxx = reserved - * [ 7: 6] reserved - * [13: 8] RdDqsTimeByte1 (Read DQS Byte 1 Timing Control) - * [15:14] reserved - * [21:16] RdDqsTimeByte2 (Read DQS Byte 2 Timing Control) - * [23:22] reserved - * [29:24] RdDqsTimeByte3 (Read DQS Byte 3 Timing Control) - * [31:30] reserved - */ - 0x05, 0xc0c0c0c0, 0x00000000, - 0x25, 0xc0c0c0c0, 0x00000000, - - /* Read DQS Timing High Control Register - * Index 0x06 - * [ 5: 0] RdDqsTimeByte4 (Read DQS Byte 4 Timing Control) - * [ 7: 6] reserved - * [13: 8] RdDqsTimeByte5 (Read DQS Byte 5 Timing Control) - * [15:14] reserved - * [21:16] RdDqsTimeByte6 (Read DQS Byte 6 Timing Control) - * [23:22] reserved - * [29:24] RdDqsTimeByte7 (Read DQS Byte 7 Timing Control) - * [31:30] reserved - */ - 0x06, 0xc0c0c0c0, 0x00000000, - 0x26, 0xc0c0c0c0, 0x00000000, - - /* Read DQS ECC Timing Control Register - * Index 0x07 - * [ 5: 0] RdDqsTimeCheck (Read DQS ECC Timing Control) - * 000000 = no delay - * 000001 = 1/96 MEMCLK delay - * 000010 = 2/96 MEMCLK delay - * ... - * 101111 = 47/96 MEMCLK delay - * 11xxxx = reserved - * [31: 6] reserved - */ - 0x07, 0x000000c0, 0x00000000, - 0x27, 0x000000c0, 0x00000000, - - /* DQS Receiver Enable Timing Control Register - * Index 0x10, 0x13, 0x16, 0x19, - * [ 7: 0] Dqs RcvEnDelay (DQS Receiver Enable Delay) - * 0x00 = 0 ps - * 0x01 = 50 ps - * 0x02 = 100 ps - * ... - * 0xae = 8.7 ns - * 0xaf-0xff = reserved - * [31: 6] reserved - */ - 0x10, 0x000000ff, 0x00000000, - 0x13, 0x000000ff, 0x00000000, - 0x16, 0x000000ff, 0x00000000, - 0x19, 0x000000ff, 0x00000000, - 0x30, 0x000000ff, 0x00000000, - 0x33, 0x000000ff, 0x00000000, - 0x36, 0x000000ff, 0x00000000, - 0x39, 0x000000ff, 0x00000000, - }; -#endif - int i; int max; -#if 1 if (!controller_present(ctrl)) { -// print_debug("No memory controller present\r\n"); sysinfo->ctrl_present[ctrl->node_id] = 0; return; } -#endif sysinfo->ctrl_present[ctrl->node_id] = 1; print_spew("setting up CPU"); @@ -865,20 +656,6 @@ static void sdram_set_registers(const struct mem_controller *ctrl, struct sys_in pci_write_config32(dev, where, reg); } -#if 0 - // for index regs - max = sizeof(index_register_values)/sizeof(index_register_values[0]); - for(i = 0; i < max; i += 3) { - unsigned long reg; - unsigned index; - index = register_values[i]; - reg = pci_read_config32_index_wait(ctrl->f2, DRAM_CTRL_ADDI_DATA_OFFSET, index); - reg &= register_values[i+1]; - reg |= register_values[i+2]; - pci_write_config32_index_wait(ctrl->f2, DRAM_CTRL_ADDI_DATA_OFFSET, index, reg); - } -#endif - print_spew("done.\r\n"); } @@ -889,6 +666,19 @@ static int is_dual_channel(const struct mem_controller *ctrl) return dcl & DCL_Width128; } +static int is_opteron(const struct mem_controller *ctrl) +{ + /* Test to see if I am an Opteron. + * FIXME Testing dual channel capability is correct for now + * but a beter test is probably required. + * m2 and s1g1 support dual channel too. but only support unbuffered dimm + */ +#warning "FIXME implement a better test for opterons" + uint32_t nbcap; + nbcap = pci_read_config32(ctrl->f3, NORTHBRIDGE_CAP); + return !!(nbcap & NBCAP_128Bit); +} + static int is_registered(const struct mem_controller *ctrl) { /* Test to see if we are dealing with registered SDRAM. @@ -1456,6 +1246,20 @@ static long spd_handle_unbuffered_dimms(const struct mem_controller *ctrl, long } } + if (is_opteron(ctrl)) { +#if 0 + if ( registered != (dimm_mask & ((1<<DIMM_SOCKETS)-1)) ) { + dimm_mask &= (registered | (registered << DIMM_SOCKETS) ); //disable unbuffed dimm + // die("Mixed buffered and registered dimms not supported"); + } + //By yhlu for debug M2, s1g1 can do dual channel, but it use unbuffer DIMM + if (!registered) { + die("Unbuffered Dimms not supported on Opteron"); + } +#endif + } + + dcl = pci_read_config32(ctrl->f2, DRAM_CONFIG_LOW); dcl &= ~DCL_UnBuffDimm; meminfo->is_registered = 1; @@ -1852,7 +1656,6 @@ static struct spd_set_memclk_result spd_set_memclk(const struct mem_controller * if (latencies < 0) goto hw_error; if (latencies == 0) { continue; -// goto dimm_err; } /* Compute the lowest cas latency supported */ @@ -1966,23 +1769,6 @@ static int update_dimm_Trfc(const struct mem_controller *ctrl, const struct mem_ uint32_t dth; int value; -#if 0 - int value2; - - value = spd_read_byte(ctrl->channel0[i], SPD_TRFC); - if (value < 0) return -1; - - value2 = spd_read_byte(ctrl->channel0[i], SPD_TRC -1); - if(value2 & 1) value += 256; - value <<= 2; - value += convert_to_1_4(value2>>1); - - if (value == 0) { - value = param->tRFC; - } - value *= 10; - clocks = (value + param->divisor - 1)/param->divisor; -#endif //get the cs_size --> logic dimm size value = spd_read_byte(ctrl->channel0[i], SPD_PRI_WIDTH); if (value < 0) { @@ -1997,7 +1783,6 @@ static int update_dimm_Trfc(const struct mem_controller *ctrl, const struct mem_ old_clocks = ((dth >> (DTH_TRFC0_SHIFT+i*3)) & DTH_TRFC_MASK); if (old_clocks >= clocks) { // some one did it? -// clocks = old_clocks; return 1; } dth &= ~(DTH_TRFC_MASK << (DTH_TRFC0_SHIFT+i*3)); @@ -2072,7 +1857,6 @@ static int update_dimm_Tras(const struct mem_controller *ctrl, const struct mem_ dtl = pci_read_config32(ctrl->f2, DRAM_TIMING_LOW); old_clocks = ((dtl >> DTL_TRAS_SHIFT) & DTL_TRAS_MASK) + DTL_TRAS_BASE; if (old_clocks >= clocks) { // someone did it? -// clocks = old_clocks; return 1; } dtl &= ~(DTL_TRAS_MASK << DTL_TRAS_SHIFT); @@ -2397,6 +2181,7 @@ static void set_max_async_latency(const struct mem_controller *ctrl, const struc dch = pci_read_config32(ctrl->f2, DRAM_CONFIG_HIGH); dch &= ~(DCH_MaxAsyncLat_MASK << DCH_MaxAsyncLat_SHIFT); + //FIXME: We need to use Max of DqsRcvEnDelay + 6ns here: After trainning and get that from index reg 0x10, 0x13, 0x16, 0x19, 0x30, 0x33, 0x36, 0x39 async_lat = 6+6; @@ -2684,7 +2469,6 @@ static void sdram_set_spd_registers(const struct mem_controller *ctrl, struct sy long dimm_mask; #if 1 if (!sysinfo->ctrl_present[ctrl->node_id]) { -// print_debug("No memory controller present\r\n"); return; } #endif @@ -2852,6 +2636,7 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl, str #if K8_REV_F_SUPPORT_F0_F1_WORKAROUND == 1 unsigned cpu_f0_f1[8]; + /* FIXME: How about 32 node machine later? */ tsc_t tsc, tsc0[8]; print_debug_addr("sdram_enable: tsc0[8]: ", &tsc0[0]); @@ -2886,6 +2671,14 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl, str /* We need to wait a mimmium of 20 MEMCLKS to enable the InitDram */ memreset(controllers, ctrl); +#if 0 + print_debug("prepare to InitDram:"); + for(i=0; i<10; i++) { + print_debug_hex32(i); + print_debug("\b\b\b\b\b\b\b\b"); + } + print_debug("\r\n"); +#endif for(i = 0; i < controllers; i++) { uint32_t dcl, dch; @@ -3016,10 +2809,6 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl, str sysinfo->mem_trained[i] = 0x80; // mem need to be trained } -#if 0 - dump_pci_devices(); - dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98); -#endif #if MEM_TRAIN_SEQ == 0 #if K8_REV_F_SUPPORT_F0_F1_WORKAROUND == 1 @@ -3056,11 +2845,6 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl, str wait_all_core0_mem_trained(sysinfo); #endif -#if 0 - dump_pci_devices(); - dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98); -#endif - } static void fill_mem_ctrl(int controllers, struct mem_controller *ctrl_a, const uint16_t *spd_addr) { |