1 /*----------------------------------------------------------------------------+
3 | This source code has been made available to you by IBM on an AS-IS
4 | basis. Anyone receiving this source is licensed under IBM
5 | copyrights to use it in any way he or she deems fit, including
6 | copying it, modifying it, compiling it, and redistributing it either
7 | with or without modifications. No license under IBM patents or
8 | patent applications is to be implied by the copyright license.
10 | Any user of this software should understand that IBM cannot provide
11 | technical support for this software and will not be responsible for
12 | any consequences resulting from the use of this software.
14 | Any person who transfers this source code or any derivative work
15 | must include the IBM copyright notice, this paragraph, and the
16 | preceding two paragraphs in the transferred software.
18 | COPYRIGHT I B M CORPORATION 1999
19 | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
20 +----------------------------------------------------------------------------*/
26 * Configure which SDRAM/DDR/DDR2 controller is equipped
28 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP) || \
29 defined(CONFIG_AP1000) || defined(CONFIG_ML2)
30 #define CONFIG_SDRAM_PPC4xx_IBM_SDRAM /* IBM SDRAM controller */
33 #if defined(CONFIG_440GP) || defined(CONFIG_440GX) || \
34 defined(CONFIG_440EP) || defined(CONFIG_440GR)
35 #define CONFIG_SDRAM_PPC4xx_IBM_DDR /* IBM DDR controller */
38 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
39 #define CONFIG_SDRAM_PPC4xx_DENALI_DDR2 /* Denali DDR(2) controller */
42 #if defined(CONFIG_405EX) || \
43 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
44 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
46 #define CONFIG_SDRAM_PPC4xx_IBM_DDR2 /* IBM DDR(2) controller */
49 #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
50 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
51 defined(CONFIG_405EZ) || defined(CONFIG_405EX) || \
52 defined(CONFIG_460EX) || defined(CONFIG_460GT)
53 #define CONFIG_NAND_NDFC
56 /* PLB4 CrossBar Arbiter Core supported across PPC4xx families */
57 #if defined(CONFIG_405EX) || \
58 defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
59 defined(CONFIG_440GR) || defined(CONFIG_440GRX) || \
60 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
61 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
64 #define PLB_ARBITER_BASE 0x80
66 #define plb0_revid (PLB_ARBITER_BASE + 0x00)
67 #define plb0_acr (PLB_ARBITER_BASE + 0x01)
68 #define plb0_acr_ppm_mask 0xF0000000
69 #define plb0_acr_ppm_fixed 0x00000000
70 #define plb0_acr_ppm_fair 0xD0000000
71 #define plb0_acr_hbu_mask 0x08000000
72 #define plb0_acr_hbu_disabled 0x00000000
73 #define plb0_acr_hbu_enabled 0x08000000
74 #define plb0_acr_rdp_mask 0x06000000
75 #define plb0_acr_rdp_disabled 0x00000000
76 #define plb0_acr_rdp_2deep 0x02000000
77 #define plb0_acr_rdp_3deep 0x04000000
78 #define plb0_acr_rdp_4deep 0x06000000
79 #define plb0_acr_wrp_mask 0x01000000
80 #define plb0_acr_wrp_disabled 0x00000000
81 #define plb0_acr_wrp_2deep 0x01000000
83 #define plb0_besrl (PLB_ARBITER_BASE + 0x02)
84 #define plb0_besrh (PLB_ARBITER_BASE + 0x03)
85 #define plb0_bearl (PLB_ARBITER_BASE + 0x04)
86 #define plb0_bearh (PLB_ARBITER_BASE + 0x05)
87 #define plb0_ccr (PLB_ARBITER_BASE + 0x08)
89 #define plb1_acr (PLB_ARBITER_BASE + 0x09)
90 #define plb1_acr_ppm_mask 0xF0000000
91 #define plb1_acr_ppm_fixed 0x00000000
92 #define plb1_acr_ppm_fair 0xD0000000
93 #define plb1_acr_hbu_mask 0x08000000
94 #define plb1_acr_hbu_disabled 0x00000000
95 #define plb1_acr_hbu_enabled 0x08000000
96 #define plb1_acr_rdp_mask 0x06000000
97 #define plb1_acr_rdp_disabled 0x00000000
98 #define plb1_acr_rdp_2deep 0x02000000
99 #define plb1_acr_rdp_3deep 0x04000000
100 #define plb1_acr_rdp_4deep 0x06000000
101 #define plb1_acr_wrp_mask 0x01000000
102 #define plb1_acr_wrp_disabled 0x00000000
103 #define plb1_acr_wrp_2deep 0x01000000
105 #define plb1_besrl (PLB_ARBITER_BASE + 0x0A)
106 #define plb1_besrh (PLB_ARBITER_BASE + 0x0B)
107 #define plb1_bearl (PLB_ARBITER_BASE + 0x0C)
108 #define plb1_bearh (PLB_ARBITER_BASE + 0x0D)
110 #endif /* 440EP/EPX 440GR/GRX 440SP/SPE 460EX/GT/SX 405EX*/
112 #if defined(CONFIG_440)
114 * Enable long long (%ll ...) printf format on 440 PPC's since most of
115 * them support 36bit physical addressing
117 #define CONFIG_SYS_64BIT_VSPRINTF
118 #define CONFIG_SYS_64BIT_STRTOUL
124 #include <asm/ppc4xx-sdram.h>
125 #include <asm/ppc4xx-ebc.h>
126 #if !defined(CONFIG_XILINX_440)
127 #include <asm/ppc4xx-uic.h>
131 * Macro for generating register field mnemonics
133 #define PPC_REG_BITS 32
134 #define PPC_REG_VAL(bit, value) ((value) << ((PPC_REG_BITS - 1) - (bit)))
137 * Elide casts when assembling register mnemonics
140 #define static_cast(type, val) (type)(val)
142 #define static_cast(type, val) (val)
146 * Common stuff for 4xx (405 and 440)
149 #define EXC_OFF_SYS_RESET 0x0100 /* System reset */
150 #define _START_OFFSET (EXC_OFF_SYS_RESET + 0x2000)
152 #define RESET_VECTOR 0xfffffffc
153 #define CACHELINE_MASK (CONFIG_SYS_CACHELINE_SIZE - 1) /* Address mask for cache
154 line aligned data. */
156 #define CPR0_DCR_BASE 0x0C
157 #define cprcfga (CPR0_DCR_BASE+0x0)
158 #define cprcfgd (CPR0_DCR_BASE+0x1)
160 #define SDR_DCR_BASE 0x0E
161 #define sdrcfga (SDR_DCR_BASE+0x0)
162 #define sdrcfgd (SDR_DCR_BASE+0x1)
164 #define SDRAM_DCR_BASE 0x10
165 #define memcfga (SDRAM_DCR_BASE+0x0)
166 #define memcfgd (SDRAM_DCR_BASE+0x1)
168 #define EBC_DCR_BASE 0x12
169 #define ebccfga (EBC_DCR_BASE+0x0)
170 #define ebccfgd (EBC_DCR_BASE+0x1)
173 * Macros for indirect DCR access
175 #define mtcpr(reg, d) do { mtdcr(cprcfga,reg);mtdcr(cprcfgd,d); } while (0)
176 #define mfcpr(reg, d) do { mtdcr(cprcfga,reg);d = mfdcr(cprcfgd); } while (0)
178 #define mtebc(reg, d) do { mtdcr(ebccfga,reg);mtdcr(ebccfgd,d); } while (0)
179 #define mfebc(reg, d) do { mtdcr(ebccfga,reg);d = mfdcr(ebccfgd); } while (0)
181 #define mtsdram(reg, d) do { mtdcr(memcfga,reg);mtdcr(memcfgd,d); } while (0)
182 #define mfsdram(reg, d) do { mtdcr(memcfga,reg);d = mfdcr(memcfgd); } while (0)
184 #define mtsdr(reg, d) do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,d); } while (0)
185 #define mfsdr(reg, d) do { mtdcr(sdrcfga,reg);d = mfdcr(sdrcfgd); } while (0)
191 unsigned long freqDDR;
192 unsigned long freqEBC;
193 unsigned long freqOPB;
194 unsigned long freqPCI;
195 unsigned long freqPLB;
196 unsigned long freqTmrClk;
197 unsigned long freqUART;
198 unsigned long freqProcessor;
199 unsigned long freqVCOHz;
200 unsigned long freqVCOMhz; /* in MHz */
201 unsigned long pciClkSync; /* PCI clock is synchronous */
202 unsigned long pciIntArbEn; /* Internal PCI arbiter is enabled */
203 unsigned long pllExtBusDiv;
204 unsigned long pllFbkDiv;
205 unsigned long pllFwdDiv;
206 unsigned long pllFwdDivA;
207 unsigned long pllFwdDivB;
208 unsigned long pllOpbDiv;
209 unsigned long pllPciDiv;
210 unsigned long pllPlbDiv;
213 static inline u32 get_mcsr(void)
217 asm volatile("mfspr %0, 0x23c" : "=r" (val) :);
221 static inline void set_mcsr(u32 val)
223 asm volatile("mtspr 0x23c, %0" : "=r" (val) :);
226 #endif /* __ASSEMBLY__ */
228 /* for multi-cpu support */
229 #define NA_OR_UNKNOWN_CPU -1
231 #endif /* __PPC4XX_H__ */