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3cbfba02 DW |
1 | /** @file\r |
2 | This PEIM will parse the hoblist from fsp and report them into pei core.\r | |
3 | This file contains the main entrypoint of the PEIM.\r | |
4 | \r | |
5 | Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php.\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | \r | |
17 | #include <PiPei.h>\r | |
6ecc5d5c WD |
18 | #include <Library/IoLib.h>\r |
19 | #include <Library/SerialPortLib.h>\r | |
3cbfba02 DW |
20 | \r |
21 | #define PCI_IDX 0xCF8\r | |
22 | #define PCI_DAT 0xCFC\r | |
23 | \r | |
24 | #define PCI_LPC_BASE (0x8000F800)\r | |
25 | #define PCI_LPC_REG(x) (PCI_LPC_BASE + (x))\r | |
26 | \r | |
27 | #define PMC_BASE_ADDRESS 0xFED03000 // PMC Memory Base Address\r | |
28 | #define R_PCH_LPC_PMC_BASE 0x44 // PBASE, 32bit, 512 Bytes\r | |
29 | #define B_PCH_LPC_PMC_BASE_EN BIT1 // Enable Bit\r | |
30 | #define R_PCH_PMC_GEN_PMCON_1 0x20 // General PM Configuration 1\r | |
31 | #define B_PCH_PMC_GEN_PMCON_SUS_PWR_FLR BIT14 // SUS Well Power Failure\r | |
32 | #define B_PCH_PMC_GEN_PMCON_PWROK_FLR BIT16 // PWROK Failure\r | |
33 | \r | |
34 | #define R_PCH_LPC_UART_CTRL 0x80 // UART Control\r | |
35 | #define B_PCH_LPC_UART_CTRL_COM1_EN BIT0 // COM1 Enable\r | |
36 | \r | |
37 | #define ILB_BASE_ADDRESS 0xFED08000 // ILB Memory Base Address\r | |
38 | #define R_PCH_ILB_IRQE 0x88 // IRQ Enable Control\r | |
39 | \r | |
40 | #define IO_BASE_ADDRESS 0xFED0C000 // IO Memory Base Address\r | |
41 | \r | |
42 | #define V_PCH_ILB_IRQE_UARTIRQEN_IRQ3 BIT3 // UART IRQ3 Enable\r | |
43 | #define V_PCH_ILB_IRQE_UARTIRQEN_IRQ4 BIT4 // UART IRQ4 Enable\r | |
44 | #define PCIEX_BASE_ADDRESS 0xE0000000\r | |
45 | #define PCI_EXPRESS_BASE_ADDRESS PCIEX_BASE_ADDRESS\r | |
46 | #define PciD31F0RegBase PCIEX_BASE_ADDRESS + (UINT32) (31 << 15)\r | |
47 | #define SB_RCBA 0xfed1c000\r | |
48 | \r | |
49 | typedef enum {\r | |
50 | PchA0 = 0,\r | |
51 | PchA1 = 1,\r | |
52 | PchB0 = 2,\r | |
53 | PchB1 = 3,\r | |
54 | PchB2 = 4,\r | |
55 | PchB3 = 5,\r | |
56 | PchC0 = 6,\r | |
57 | PchSteppingMax\r | |
58 | } PCH_STEPPING;\r | |
59 | \r | |
60 | #define MmPciAddress( Segment, Bus, Device, Function, Register ) \\r | |
61 | ( (UINTN)PCI_EXPRESS_BASE_ADDRESS + \\r | |
62 | (UINTN)(Bus << 20) + \\r | |
63 | (UINTN)(Device << 15) + \\r | |
64 | (UINTN)(Function << 12) + \\r | |
65 | (UINTN)(Register) \\r | |
66 | )\r | |
67 | \r | |
68 | #define DEFAULT_PCI_BUS_NUMBER_PCH 0\r | |
69 | #define PCI_DEVICE_NUMBER_PCH_LPC 31\r | |
70 | #define PCI_FUNCTION_NUMBER_PCH_LPC 0\r | |
71 | \r | |
72 | #define R_PCH_LPC_RID_CC 0x08 // Revision ID & Class Code\r | |
73 | \r | |
74 | #define V_PCH_LPC_RID_0 0x01 // A0 Stepping (17 x 17)\r | |
75 | #define V_PCH_LPC_RID_1 0x02 // A0 Stepping (25 x 27)\r | |
76 | #define V_PCH_LPC_RID_2 0x03 // A1 Stepping (17 x 17)\r | |
77 | #define V_PCH_LPC_RID_3 0x04 // A1 Stepping (25 x 27)\r | |
78 | #define V_PCH_LPC_RID_4 0x05 // B0 Stepping (17 x 17)\r | |
79 | #define V_PCH_LPC_RID_5 0x06 // B0 Stepping (25 x 27)\r | |
80 | #define V_PCH_LPC_RID_6 0x07 // B1 Stepping (17 x 17)\r | |
81 | #define V_PCH_LPC_RID_7 0x08 // B1 Stepping (25 x 27)\r | |
82 | #define V_PCH_LPC_RID_8 0x09 // B2 Stepping (17 x 17)\r | |
83 | #define V_PCH_LPC_RID_9 0x0A // B2 Stepping (25 x 27)\r | |
84 | #define V_PCH_LPC_RID_A 0x0B // B3 Stepping (17 x 17)\r | |
85 | #define V_PCH_LPC_RID_B 0x0C // B3 Stepping (25 x 27)\r | |
86 | #define V_PCH_LPC_RID_C 0x0D // C0 Stepping (17 x 17)\r | |
87 | #define V_PCH_LPC_RID_D 0x0E // C0 Stepping (25 x 27)\r | |
88 | \r | |
89 | /**\r | |
90 | Return Pch stepping type\r | |
91 | \r | |
92 | @param[in] None\r | |
93 | \r | |
94 | @retval PCH_STEPPING Pch stepping type\r | |
95 | \r | |
96 | **/\r | |
97 | PCH_STEPPING\r | |
98 | EFIAPI\r | |
99 | PchStepping (\r | |
100 | VOID\r | |
101 | )\r | |
102 | {\r | |
103 | UINT8 RevId;\r | |
104 | \r | |
105 | RevId = MmioRead8 (\r | |
106 | MmPciAddress (0,\r | |
107 | DEFAULT_PCI_BUS_NUMBER_PCH,\r | |
108 | PCI_DEVICE_NUMBER_PCH_LPC,\r | |
109 | PCI_FUNCTION_NUMBER_PCH_LPC,\r | |
110 | R_PCH_LPC_RID_CC)\r | |
111 | );\r | |
112 | \r | |
113 | switch (RevId) {\r | |
114 | case V_PCH_LPC_RID_0:\r | |
115 | case V_PCH_LPC_RID_1:\r | |
116 | return PchA0;\r | |
117 | break;\r | |
118 | \r | |
119 | case V_PCH_LPC_RID_2:\r | |
120 | case V_PCH_LPC_RID_3:\r | |
121 | return PchA1;\r | |
122 | break;\r | |
123 | \r | |
124 | case V_PCH_LPC_RID_4:\r | |
125 | case V_PCH_LPC_RID_5:\r | |
126 | return PchB0;\r | |
127 | break;\r | |
128 | \r | |
129 | case V_PCH_LPC_RID_6:\r | |
130 | case V_PCH_LPC_RID_7:\r | |
131 | return PchB1;\r | |
132 | break;\r | |
133 | \r | |
134 | case V_PCH_LPC_RID_8:\r | |
135 | case V_PCH_LPC_RID_9:\r | |
136 | return PchB2;\r | |
137 | break;\r | |
138 | \r | |
139 | case V_PCH_LPC_RID_A:\r | |
140 | case V_PCH_LPC_RID_B:\r | |
141 | return PchB3;\r | |
142 | break;\r | |
143 | \r | |
144 | case V_PCH_LPC_RID_C:\r | |
145 | case V_PCH_LPC_RID_D:\r | |
146 | return PchC0;\r | |
147 | break;\r | |
148 | \r | |
149 | default:\r | |
150 | return PchSteppingMax;\r | |
151 | break;\r | |
152 | \r | |
153 | }\r | |
154 | }\r | |
155 | \r | |
156 | /**\r | |
157 | Enable legacy decoding on ICH6\r | |
158 | \r | |
159 | @param[in] none\r | |
160 | \r | |
161 | @retval EFI_SUCCESS Always returns success.\r | |
162 | \r | |
163 | **/\r | |
164 | VOID\r | |
165 | EnableInternalUart(\r | |
166 | VOID\r | |
167 | )\r | |
168 | {\r | |
169 | \r | |
170 | //\r | |
171 | // Program and enable PMC Base.\r | |
172 | //\r | |
173 | IoWrite32 (PCI_IDX, PCI_LPC_REG(R_PCH_LPC_PMC_BASE));\r | |
174 | IoWrite32 (PCI_DAT, (PMC_BASE_ADDRESS | B_PCH_LPC_PMC_BASE_EN));\r | |
175 | \r | |
176 | //\r | |
177 | // Enable COM1 for debug message output.\r | |
178 | //\r | |
179 | MmioAndThenOr32 (PMC_BASE_ADDRESS + R_PCH_PMC_GEN_PMCON_1, (UINT32) (~(B_PCH_PMC_GEN_PMCON_SUS_PWR_FLR + B_PCH_PMC_GEN_PMCON_PWROK_FLR)), BIT24);\r | |
180 | \r | |
181 | //\r | |
182 | // Silicon Steppings\r | |
183 | //\r | |
184 | if (PchStepping()>= PchB0)\r | |
185 | MmioOr8 (ILB_BASE_ADDRESS + R_PCH_ILB_IRQE, (UINT8) V_PCH_ILB_IRQE_UARTIRQEN_IRQ4);\r | |
186 | else\r | |
187 | MmioOr8 (ILB_BASE_ADDRESS + R_PCH_ILB_IRQE, (UINT8) V_PCH_ILB_IRQE_UARTIRQEN_IRQ3);\r | |
188 | MmioAnd32(IO_BASE_ADDRESS + 0x0520, (UINT32)~(0x00000187));\r | |
189 | MmioOr32 (IO_BASE_ADDRESS + 0x0520, (UINT32)0x81); // UART3_RXD-L\r | |
190 | MmioAnd32(IO_BASE_ADDRESS + 0x0530, (UINT32)~(0x00000007));\r | |
191 | MmioOr32 (IO_BASE_ADDRESS + 0x0530, (UINT32)0x1); // UART3_RXD-L\r | |
192 | MmioOr8 (PciD31F0RegBase + R_PCH_LPC_UART_CTRL, (UINT8) B_PCH_LPC_UART_CTRL_COM1_EN);\r | |
193 | \r | |
194 | SerialPortInitialize ();\r | |
6ecc5d5c | 195 | SerialPortWrite ((UINT8 *)"EnableInternalUart!\r\n", sizeof("EnableInternalUart!\r\n") - 1);\r |
3cbfba02 DW |
196 | \r |
197 | return ;\r | |
198 | }\r |