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 /* PLB4 CrossBar Arbiter Core supported across PPC4xx families */
50 #if defined(CONFIG_405EX) || \
51 defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
52 defined(CONFIG_440GR) || defined(CONFIG_440GRX) || \
53 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
54 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
57 #define PLB_ARBITER_BASE 0x80
59 #define plb0_revid (PLB_ARBITER_BASE + 0x00)
60 #define plb0_acr (PLB_ARBITER_BASE + 0x01)
61 #define plb0_acr_ppm_mask 0xF0000000
62 #define plb0_acr_ppm_fixed 0x00000000
63 #define plb0_acr_ppm_fair 0xD0000000
64 #define plb0_acr_hbu_mask 0x08000000
65 #define plb0_acr_hbu_disabled 0x00000000
66 #define plb0_acr_hbu_enabled 0x08000000
67 #define plb0_acr_rdp_mask 0x06000000
68 #define plb0_acr_rdp_disabled 0x00000000
69 #define plb0_acr_rdp_2deep 0x02000000
70 #define plb0_acr_rdp_3deep 0x04000000
71 #define plb0_acr_rdp_4deep 0x06000000
72 #define plb0_acr_wrp_mask 0x01000000
73 #define plb0_acr_wrp_disabled 0x00000000
74 #define plb0_acr_wrp_2deep 0x01000000
76 #define plb0_besrl (PLB_ARBITER_BASE + 0x02)
77 #define plb0_besrh (PLB_ARBITER_BASE + 0x03)
78 #define plb0_bearl (PLB_ARBITER_BASE + 0x04)
79 #define plb0_bearh (PLB_ARBITER_BASE + 0x05)
80 #define plb0_ccr (PLB_ARBITER_BASE + 0x08)
82 #define plb1_acr (PLB_ARBITER_BASE + 0x09)
83 #define plb1_acr_ppm_mask 0xF0000000
84 #define plb1_acr_ppm_fixed 0x00000000
85 #define plb1_acr_ppm_fair 0xD0000000
86 #define plb1_acr_hbu_mask 0x08000000
87 #define plb1_acr_hbu_disabled 0x00000000
88 #define plb1_acr_hbu_enabled 0x08000000
89 #define plb1_acr_rdp_mask 0x06000000
90 #define plb1_acr_rdp_disabled 0x00000000
91 #define plb1_acr_rdp_2deep 0x02000000
92 #define plb1_acr_rdp_3deep 0x04000000
93 #define plb1_acr_rdp_4deep 0x06000000
94 #define plb1_acr_wrp_mask 0x01000000
95 #define plb1_acr_wrp_disabled 0x00000000
96 #define plb1_acr_wrp_2deep 0x01000000
98 #define plb1_besrl (PLB_ARBITER_BASE + 0x0A)
99 #define plb1_besrh (PLB_ARBITER_BASE + 0x0B)
100 #define plb1_bearl (PLB_ARBITER_BASE + 0x0C)
101 #define plb1_bearh (PLB_ARBITER_BASE + 0x0D)
103 #endif /* 440EP/EPX 440GR/GRX 440SP/SPE 460EX/GT/SX 405EX*/
105 #if defined(CONFIG_440)
107 * Enable long long (%ll ...) printf format on 440 PPC's since most of
108 * them support 36bit physical addressing
110 #define CONFIG_SYS_64BIT_VSPRINTF
111 #define CONFIG_SYS_64BIT_STRTOUL
117 #include <asm/ppc4xx-sdram.h>
118 #include <asm/ppc4xx-ebc.h>
119 #if !defined(CONFIG_XILINX_440)
120 #include <asm/ppc4xx-uic.h>
124 * Macro for generating register field mnemonics
126 #define PPC_REG_BITS 32
127 #define PPC_REG_VAL(bit, value) ((value) << ((PPC_REG_BITS - 1) - (bit)))
130 * Elide casts when assembling register mnemonics
133 #define static_cast(type, val) (type)(val)
135 #define static_cast(type, val) (val)
139 * Common stuff for 4xx (405 and 440)
142 #define EXC_OFF_SYS_RESET 0x0100 /* System reset */
143 #define _START_OFFSET (EXC_OFF_SYS_RESET + 0x2000)
145 #define RESET_VECTOR 0xfffffffc
146 #define CACHELINE_MASK (CONFIG_SYS_CACHELINE_SIZE - 1) /* Address mask for cache
147 line aligned data. */
149 #define CPR0_DCR_BASE 0x0C
150 #define cprcfga (CPR0_DCR_BASE+0x0)
151 #define cprcfgd (CPR0_DCR_BASE+0x1)
153 #define SDR_DCR_BASE 0x0E
154 #define sdrcfga (SDR_DCR_BASE+0x0)
155 #define sdrcfgd (SDR_DCR_BASE+0x1)
157 #define SDRAM_DCR_BASE 0x10
158 #define memcfga (SDRAM_DCR_BASE+0x0)
159 #define memcfgd (SDRAM_DCR_BASE+0x1)
161 #define EBC_DCR_BASE 0x12
162 #define ebccfga (EBC_DCR_BASE+0x0)
163 #define ebccfgd (EBC_DCR_BASE+0x1)
166 * Macros for indirect DCR access
168 #define mtcpr(reg, d) do { mtdcr(cprcfga,reg);mtdcr(cprcfgd,d); } while (0)
169 #define mfcpr(reg, d) do { mtdcr(cprcfga,reg);d = mfdcr(cprcfgd); } while (0)
171 #define mtebc(reg, d) do { mtdcr(ebccfga,reg);mtdcr(ebccfgd,d); } while (0)
172 #define mfebc(reg, d) do { mtdcr(ebccfga,reg);d = mfdcr(ebccfgd); } while (0)
174 #define mtsdram(reg, d) do { mtdcr(memcfga,reg);mtdcr(memcfgd,d); } while (0)
175 #define mfsdram(reg, d) do { mtdcr(memcfga,reg);d = mfdcr(memcfgd); } while (0)
177 #define mtsdr(reg, d) do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,d); } while (0)
178 #define mfsdr(reg, d) do { mtdcr(sdrcfga,reg);d = mfdcr(sdrcfgd); } while (0)
184 unsigned long freqDDR;
185 unsigned long freqEBC;
186 unsigned long freqOPB;
187 unsigned long freqPCI;
188 unsigned long freqPLB;
189 unsigned long freqTmrClk;
190 unsigned long freqUART;
191 unsigned long freqProcessor;
192 unsigned long freqVCOHz;
193 unsigned long freqVCOMhz; /* in MHz */
194 unsigned long pciClkSync; /* PCI clock is synchronous */
195 unsigned long pciIntArbEn; /* Internal PCI arbiter is enabled */
196 unsigned long pllExtBusDiv;
197 unsigned long pllFbkDiv;
198 unsigned long pllFwdDiv;
199 unsigned long pllFwdDivA;
200 unsigned long pllFwdDivB;
201 unsigned long pllOpbDiv;
202 unsigned long pllPciDiv;
203 unsigned long pllPlbDiv;
206 static inline u32 get_mcsr(void)
210 asm volatile("mfspr %0, 0x23c" : "=r" (val) :);
214 static inline void set_mcsr(u32 val)
216 asm volatile("mtspr 0x23c, %0" : "=r" (val) :);
219 #endif /* __ASSEMBLY__ */
221 /* for multi-cpu support */
222 #define NA_OR_UNKNOWN_CPU -1
224 #endif /* __PPC4XX_H__ */