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@ -115,10 +115,10 @@ |
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**************************/ |
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1: //MC0_ONLY |
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GET_MC0_MEMSIZE |
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beqz a1, 70f |
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beqz a1, 89f |
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nop |
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dli t5, 0x8 |
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bgt a1, t5, 70f |
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dli t5, 0x40 |
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bgt a1, t5, 89f |
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nop |
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4: |
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#if 0 |
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@ -209,11 +209,8 @@ t0,t2 shouldn't be changed to the end of this file. |
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#endif |
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/******************************* |
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4. config L2 X-bar |
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code procedure: first, MC*_ONLY bits in s1 decides whether this MC is |
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used,then according to MC*_MEMSIZE bits in s1 decide memory size and how |
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the L2 X-bar windows will be configured. |
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note: currently,when use only 1 MC,support memory size: 512M, 1G, 2G, 3G, 4G; |
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when use MC0&MC1 both, only support 1G, 2G or 4G Memory size of each Controller. |
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according to MC0_MEMSIZE bits in s1 decide memory size |
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note: currently, only support memory size: 512M, 1G, 2G, 3G, 4G, 8G; |
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*******************************/ |
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sync |
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nop |
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@ -223,7 +220,7 @@ t0,t2 shouldn't be changed to the end of this file. |
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//disable default pci window |
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L2XBAR_DISABLE_WINDOW(0x100); |
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/*Assume MC0_ONLY */ |
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/*MC0_ONLY */ |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x10, \ |
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0x0000000000000000, \ |
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@ -236,83 +233,128 @@ t0,t2 shouldn't be changed to the end of this file. |
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PRINTSTR("PCI space open: 0x80000000 - 0x8FFFFFFF\r\n") |
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//config high memory windows |
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//use MC only, currently only support 512M, 1G, 2G, 3G, 4G |
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/* Assume MC0_ONLY */ |
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/*MC0_ONLY */ |
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GET_MC0_MEMSIZE |
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dli t5, 0x1 |
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beq a1, t5, 10f |
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beq a1, t5, 1f |
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nop |
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dli t5, 0x2 |
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beq a1, t5, 20f |
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beq a1, t5, 2f |
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nop |
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dli t5, 0x4 |
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beq a1, t5, 40f |
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beq a1, t5, 4f |
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nop |
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dli t5, 0x6 |
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beq a1, t5, 60f |
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beq a1, t5, 6f |
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nop |
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dli t5, 0x8 |
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//temp code, MEM size >= 4G, use 4G only |
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bgeu a1, t5, 80f |
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beq a1, t5, 8f |
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nop |
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dli t5, 0x10 |
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beq a1, t5, 10f |
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nop |
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b 70f //error condition |
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dli t5, 0x20 |
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//temp code, MEM size >= 16G, use 16G only |
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bgeu a1, t5, 20f |
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nop |
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10: //ddr_512MB_MC0: |
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b 89f //error condition |
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nop |
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1: //ddr_512MB_MC0: |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x20, \ |
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0x0000000080000000, \ |
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0xFFFFFFFFE0000000, \ |
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0x00000000000000F0) |
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PRINTSTR("MC0 space open : 0x80000000 - 0x9FFFFFFF\r\n") |
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b 6f |
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b 81f |
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nop |
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20: //ddr_1GB_MC: |
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2: //ddr_1GB_MC: |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x20, \ |
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0x0000000080000000, \ |
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0xFFFFFFFFC0000000, \ |
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0x00000000000000F0) |
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PRINTSTR("MC0 space open : 0x80000000 - 0xBFFFFFFF\r\n") |
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b 6f |
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b 81f |
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nop |
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40: //ddr_2GB_MC0: |
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4: //ddr_2GB_MC0: |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x20, \ |
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0x0000000080000000, \ |
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0xFFFFFFFF80000000, \ |
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0x00000000000000F0) |
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PRINTSTR("MC0 space open : 0x80000000 - 0xFFFFFFFF\r\n") |
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b 6f |
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b 81f |
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nop |
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60: //ddr_3GB_MC0: |
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6: //ddr_3GB_MC0: |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x20, \ |
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0x0000000080000000, \ |
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0xFFFFFFFF80000000, \ |
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0x00000000000000F0) |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x28, \ |
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0x0000000100000000, \ |
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0xFFFFFFFFC0000000, \ |
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0x00000000800000F0) |
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PRINTSTR("MC0 space open : 0x080000000 - 0x13FFFFFFF\r\n") |
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b 6f |
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b 81f |
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nop |
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80: //ddr_4GB_MC0: |
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8: //ddr_4GB_MC0: |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x20, \ |
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0x0000000080000000, \ |
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0xFFFFFFFF80000000, \ |
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0x00000000000000F0) |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x28, \ |
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0x0000000100000000, \ |
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0xFFFFFFFF80000000, \ |
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0x00000000800000F0) |
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PRINTSTR("MC0 space open : 0x080000000 - 0x17FFFFFFF\r\n") |
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b 6f |
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b 81f |
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nop |
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10: //ddr_8GB_MC0: |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x20, \ |
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0x0000000080000000, \ |
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0xFFFFFFFF80000000, \ |
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0x00000000000000F0) |
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XBAR_CONFIG_NODE_a0(0x28, \ |
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0x0000000100000000, \ |
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0xFFFFFFFF00000000, \ |
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0x00000001000000F0) |
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XBAR_CONFIG_NODE_a0(0x30, \ |
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0x0000000200000000, \ |
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0xFFFFFFFF80000000, \ |
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0x00000000800000F0) |
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PRINTSTR("MC0 space open : 0x080000000 - 0x27FFFFFFF\r\n") |
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b 81f |
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nop |
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20: //ddr_16GB_MC0: |
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GET_NODE_ID_a0; |
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XBAR_CONFIG_NODE_a0(0x20, \ |
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0x0000000080000000, \ |
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0xFFFFFFFF80000000, \ |
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0x00000000000000F0) |
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XBAR_CONFIG_NODE_a0(0x28, \ |
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0x0000000100000000, \ |
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0xFFFFFFFF00000000, \ |
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0x00000001000000F0) |
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XBAR_CONFIG_NODE_a0(0x30, \ |
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0x0000000200000000, \ |
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0xFFFFFFFF00000000, \ |
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0x00000002000000F0) |
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XBAR_CONFIG_NODE_a0(0x38, \ |
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0x0000000300000000, \ |
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0xFFFFFFFF00000000, \ |
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0x00000003000000F0) |
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XBAR_CONFIG_NODE_a0(0x18, \ |
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0x0000000400000000, \ |
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0xFFFFFFFF80000000, \ |
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0x00000000800000F0) |
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PRINTSTR("MC0 space open : 0x080000000 - 0x47FFFFFFF\r\n") |
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b 81f |
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nop |
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6: |
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81: |
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//Config other PCI space exactly as cpu windows |
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L2XBAR_CONFIG_PCI_AS_CPU(0x20); |
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L2XBAR_CONFIG_PCI_AS_CPU(0x28); |
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@ -320,7 +362,7 @@ t0,t2 shouldn't be changed to the end of this file. |
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b 1f |
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nop |
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70: //error: memory size not in support range |
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89: //error: memory size not in support range |
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PRINTSTR("The MEMSIZE is not supported, the L2-Xbar will not be configured!!!\r\n") |
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PRINTSTR("-------------------------------------------\r\n") |
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#if 0 |
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Huangshuai
12 years ago
wanghongmei