1 //=============================================================================
5 // SCI, SCIF, and IRDA (serial) Module register definitions
7 //=============================================================================
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39 //####ECOSGPLCOPYRIGHTEND####
40 //=============================================================================
41 //#####DESCRIPTIONBEGIN####
46 // Note: All three serial module definitions kept in the same file
47 // since they share some of the information.
48 //####DESCRIPTIONEND####
50 //=============================================================================
52 #ifdef CYGARC_SH_MOD_SCI
53 //++++++ Module SCI ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
54 //--------------------------------------------------------------------------
55 // Serial registers. All 8 bit registers.
56 #define CYGARC_REG_SCI_SCSMR0 0xffff81a0 // serial mode register
57 #define CYGARC_REG_SCI_SCBRR0 0xffff81a1 // bit rate register
58 #define CYGARC_REG_SCI_SCSCR0 0xffff81a2 // serial control register
59 #define CYGARC_REG_SCI_SCTDR0 0xffff81a3 // transmit data register
60 #define CYGARC_REG_SCI_SCSSR0 0xffff81a4 // serial status register
61 #define CYGARC_REG_SCI_SCRDR0 0xffff81a5 // receive data register
63 #define CYGARC_REG_SCI_SCSMR1 0xffff81b0 // serial mode register
65 // Serial Mode Register
66 #define CYGARC_REG_SCI_SCSMR_CA 0x80 // communication mode
67 #define CYGARC_REG_SCI_SCSMR_CHR 0x40 // character length (7 if set)
68 #define CYGARC_REG_SCI_SCSMR_PE 0x20 // parity enable
69 #define CYGARC_REG_SCI_SCSMR_OE 0x10 // parity mode
70 #define CYGARC_REG_SCI_SCSMR_STOP 0x08 // stop bit length
71 #define CYGARC_REG_SCI_SCSMR_MP 0x04 // multiprocessor mode
72 #define CYGARC_REG_SCI_SCSMR_CKS1 0x02 // clock select 1
73 #define CYGARC_REG_SCI_SCSMR_CKS0 0x01 // clock select 0
74 #define CYGARC_REG_SCI_SCSMR_CKSx_MASK 0x03 // mask
76 // Serial Control Register
77 #define CYGARC_REG_SCI_SCSCR_TIE 0x80 // transmit interrupt enable
78 #define CYGARC_REG_SCI_SCSCR_RIE 0x40 // receive interrupt enable
79 #define CYGARC_REG_SCI_SCSCR_TE 0x20 // transmit enable
80 #define CYGARC_REG_SCI_SCSCR_RE 0x10 // receive enable
81 #define CYGARC_REG_SCI_SCSCR_MPIE 0x08 // multiprocessor interrupt enable
82 #define CYGARC_REG_SCI_SCSCR_TEIE 0x04 // transmit-end interrupt enable
83 #define CYGARC_REG_SCI_SCSCR_CKE1 0x02 // clock enable 1
84 #define CYGARC_REG_SCI_SCSCR_CKE0 0x01 // clock enable 0
86 // Serial Status Register
87 #define CYGARC_REG_SCI_SCSSR_TDRE 0x80 // transmit data register empty
88 #define CYGARC_REG_SCI_SCSSR_RDRF 0x40 // receive data register full
89 #define CYGARC_REG_SCI_SCSSR_ORER 0x20 // overrun error
90 #define CYGARC_REG_SCI_SCSSR_FER 0x10 // framing error
91 #define CYGARC_REG_SCI_SCSSR_PER 0x08 // parity error
92 #define CYGARC_REG_SCI_SCSSR_TEND 0x04 // transmit end
93 #define CYGARC_REG_SCI_SCSSR_MPB 0x02 // multiprocessor bit
94 #define CYGARC_REG_SCI_SCSSR_MPBT 0x01 // multiprocessor bit transfer
96 // When clearing the status register, always write the value:
97 // CYGARC_REG_SCSSR_CLEARMASK & ~bit
98 // to prevent other bits than the one of interest to be cleared.
99 #define CYGARC_REG_SCI_SCSSR_CLEARMASK 0xf8
102 #if (CYGARC_SH_MOD_SCI >= 2)
103 # define CYGARC_REG_SCI_SCSPTR 0xfffffe7c // serial port register
106 #endif // CYGARC_SH_MOD_SCI
108 // Baud rate values calculation, depending on peripheral clock (Pf)
109 // n is CKS setting (0-3)
110 // N = (Pf/(64*2^(2n-1)*B))-1
111 // With CYGARC_SCBRR_CKSx providing the values 1, 4, 16, 64 we get
112 // N = (Pf/(32*_CKS*B))-1
114 // The CYGARC_SCBRR_OPTIMAL_CKS macro should compute the minimal CKS
115 // setting for the given baud rate and peripheral clock.
117 // The error of the CKS+count value can be computed by:
118 // E(%) = ((Pf/((N+1)*B*(64^(n-1)))-1)*100
120 #define CYGARC_SCBRR_PRESCALE(_b_) \
121 ((((CYGHWR_HAL_SH_ONCHIP_PERIPHERAL_SPEED/32/1/(_b_))-1)<256) ? 1 : \
122 (((CYGHWR_HAL_SH_ONCHIP_PERIPHERAL_SPEED/32/4/(_b_))-1)<256) ? 4 : \
123 (((CYGHWR_HAL_SH_ONCHIP_PERIPHERAL_SPEED/32/16/(_b_))-1)<256) ? 16 : 64)
125 // Add half the divisor to reduce rounding errors to .5
126 #define CYGARC_SCBRR_ROUNDING(_b_) \
127 16*CYGARC_SCBRR_PRESCALE(_b_)*(_b_)
129 // These two macros provide the static values we need to stuff into the
131 #define CYGARC_SCBRR_CKSx(_b_) \
132 ((1 == CYGARC_SCBRR_PRESCALE(_b_)) ? 0 : \
133 (4 == CYGARC_SCBRR_PRESCALE(_b_)) ? 1 : \
134 (16 == CYGARC_SCBRR_PRESCALE(_b_)) ? 2 : 3)
135 #define CYGARC_SCBRR_N(_b_) \
136 (((_b_) < 4800) ? 0 : \
137 ((_b_) > 115200) ? 0 : \
138 (((CYGHWR_HAL_SH_ONCHIP_PERIPHERAL_SPEED+CYGARC_SCBRR_ROUNDING(_b_))/32/CYGARC_SCBRR_PRESCALE(_b_)/(_b_))-1))
141 //++++++ Module SCIF +++++++++++++++++++++++++++++++++++++++++++++++++++++++
142 #ifdef CYGARC_SH_MOD_SCIF
144 //--------------------------------------------------------------------------
145 // Serial w FIFO registers (and IRDA)
147 #define CYGARC_REG_SCIF_SCSMR1 0xfffffcc0 // 8
148 #define CYGARC_REG_SCIF_SCBRR1 0xfffffcc2 // 8
149 #define CYGARC_REG_SCIF_SCSCR1 0xfffffcc4 // 8
150 #define CYGARC_REG_SCIF_SCFTDR1 0xfffffcc6 // 8
151 #define CYGARC_REG_SCIF_SC1SSR1 0xfffffcc8 // 16
152 #define CYGARC_REG_SCIF_SC2SSR1 0xfffffcca // 8
153 #define CYGARC_REG_SCIF_SCFRDR1 0xfffffccc // 8
154 #define CYGARC_REG_SCIF_SCFCR1 0xfffffcce // 8
155 #define CYGARC_REG_SCIF_SCFDR1 0xfffffcd0 // 16
156 #define CYGARC_REG_SCIF_SCFER1 0xfffffcd2 // 16
157 #define CYGARC_REG_SCIF_SCIFMR1 0xfffffcd4 // 8
159 #define CYGARC_REG_SCIF_SCSMR2 0xfffffce0 // 8
160 #define CYGARC_REG_SCIF_SCBRR2 0xfffffce2 // 8
161 #define CYGARC_REG_SCIF_SCSCR2 0xfffffce4 // 8
162 #define CYGARC_REG_SCIF_SCFTDR2 0xfffffce6 // 8
163 #define CYGARC_REG_SCIF_SC1SSR2 0xfffffce8 // 16
164 #define CYGARC_REG_SCIF_SC2SSR2 0xfffffcea // 8
165 #define CYGARC_REG_SCIF_SCFRDR2 0xfffffcec // 8
166 #define CYGARC_REG_SCIF_SCFCR2 0xfffffcee // 8
167 #define CYGARC_REG_SCIF_SCFDR2 0xfffffcf0 // 16
168 #define CYGARC_REG_SCIF_SCFER2 0xfffffcf2 // 16
169 #define CYGARC_REG_SCIF_SCIFMR2 0xfffffcf4 // 8
171 // Serial Mode Register
172 #define CYGARC_REG_SCIF_SCSMR_CA 0x80 // async(0)/sync(1)
173 #define CYGARC_REG_SCIF_SCSMR_CHR 0x40 // character length (7 if set)
174 #define CYGARC_REG_SCIF_SCSMR_PE 0x20 // parity enable
175 #define CYGARC_REG_SCIF_SCSMR_OE 0x10 // parity mode (odd if set)
176 #define CYGARC_REG_SCIF_SCSMR_STOP 0x08 // stop bit length
177 #define CYGARC_REG_SCIF_SCSMR_MP 0x04 // MP mode
178 #define CYGARC_REG_SCIF_SCSMR_CKS1 0x02 // clock select 1
179 #define CYGARC_REG_SCIF_SCSMR_CKS0 0x01 // clock select 0
180 #define CYGARC_REG_SCIF_SCSMR_CKSx_MASK 0x03 // mask
182 // Serial Control Register
183 #define CYGARC_REG_SCIF_SCSCR_TIE 0x80 // transmit interrupt enable
184 #define CYGARC_REG_SCIF_SCSCR_RIE 0x40 // receive interrupt enable
185 #define CYGARC_REG_SCIF_SCSCR_TE 0x20 // transmit enable
186 #define CYGARC_REG_SCIF_SCSCR_RE 0x10 // receive enable
187 #define CYGARC_REG_SCIF_SCSCR_MPIE 0x08 // MP interrupt enable
188 #define CYGARC_REG_SCIF_SCSCR_CKE1 0x02 // clock enable 1
189 #define CYGARC_REG_SCIF_SCSCR_CKE0 0x01 // clock enable 0
191 // Serial Status Register 1
192 #define CYGARC_REG_SCIF_SCSSR_PER_MASK 0xf000 // number of parity errors
193 #define CYGARC_REG_SCIF_SCSSR_PER_shift 12
194 #define CYGARC_REG_SCIF_SCSSR_FER_MASK 0x0f00 // number of framing errors
195 #define CYGARC_REG_SCIF_SCSSR_FER_shift 8
196 #define CYGARC_REG_SCIF_SCSSR_ER 0x0080 // receive error
197 #define CYGARC_REG_SCIF_SCSSR_TEND 0x0040 // transmit end
198 #define CYGARC_REG_SCIF_SCSSR_TDFE 0x0020 // transmit fifo data empty
199 #define CYGARC_REG_SCIF_SCSSR_BRK 0x0010 // break detection
200 #define CYGARC_REG_SCIF_SCSSR_FER 0x0008 // framing error
201 #define CYGARC_REG_SCIF_SCSSR_PER 0x0004 // parity error
202 #define CYGARC_REG_SCIF_SCSSR_RDF 0x0002 // receive fifo data full
203 #define CYGARC_REG_SCIF_SCSSR_DR 0x0001 // receive data ready
205 // When clearing the status register, always write the value:
206 // CYGARC_REG_SCSSR_CLEARMASK & ~bit
207 // to prevent other bits than the one of interest to be cleared.
208 #define CYGARC_REG_SCIF_SCSSR_CLEARMASK 0x00f3
210 // Serial Status Register 2
211 #define CYGARC_REG_SCIF_SC2SSR_TLM 0x80 // Transmit LSB(0)/MSB(1)
212 #define CYGARC_REG_SCIF_SC2SSR_RLM 0x40 // Receive LSB(0)/MSB(1)
213 #define CYGARC_REG_SCIF_SC2SSR_BITRATE_4 0x00 // Bitrate
214 #define CYGARC_REG_SCIF_SC2SSR_BITRATE_8 0x10
215 #define CYGARC_REG_SCIF_SC2SSR_BITRATE_16 0x20
216 #define CYGARC_REG_SCIF_SC2SSR_MPB 0x08 // MP data received
217 #define CYGARC_REG_SCIF_SC2SSR_MPBT 0x04 // MP data transmited
218 #define CYGARC_REG_SCIF_SC2SSR_EI 0x02 // Ignore RX errors
219 #define CYGARC_REG_SCIF_SC2SSR_ORER 0x01 // overrun error
221 // Serial FIFO Control Register
222 #define CYGARC_REG_SCIF_SCFCR_RTRG_MASK 0xc0 // receive fifo data trigger
223 #define CYGARC_REG_SCIF_SCFCR_RTRG_1 0x00 // trigger on 1 char
224 #define CYGARC_REG_SCIF_SCFCR_RTRG_4 0x40 // trigger on 4 chars
225 #define CYGARC_REG_SCIF_SCFCR_RTRG_8 0x80 // trigger on 8 chars
226 #define CYGARC_REG_SCIF_SCFCR_RTRG_14 0xc0 // trigger on 14 chars
228 #define CYGARC_REG_SCIF_SCFCR_TTRG_MASK 0x30 // transmit fifo data trigger
229 #define CYGARC_REG_SCIF_SCFCR_TTRG_8 0x00 // trigger on 8 chars
230 #define CYGARC_REG_SCIF_SCFCR_TTRG_4 0x10 // trigger on 4 chars
231 #define CYGARC_REG_SCIF_SCFCR_TTRG_2 0x20 // trigger on 2 chars
232 #define CYGARC_REG_SCIF_SCFCR_TTRG_1 0x30 // trigger on 1 char
234 #define CYGARC_REG_SCIF_SCFCR_MCE 0x08 // modem control enable
235 #define CYGARC_REG_SCIF_SCFCR_TFRST 0x04 // transmit fifo reset
236 #define CYGARC_REG_SCIF_SCFCR_RFRST 0x02 // receive fifo reset
237 #define CYGARC_REG_SCIF_SCFCR_LOOP 0x01 // loop back test
240 // Serial FIFO Data Count Set Register
241 #define CYGARC_REG_SCIF_SCFDR_RCOUNT_MASK 0x001f // number of chars in r fifo
242 #define CYGARC_REG_SCIF_SCFDR_RCOUNT_shift 0
243 #define CYGARC_REG_SCIF_SCFDR_TCOUNT_MASK 0x1f00 // number of chars in t fifo
244 #define CYGARC_REG_SCIF_SCFDR_TCOUNT_shift 8
246 // Serial IrDA Mode Register
247 #define CYGARC_REG_SCIF_SCIMR_IRMOD 0x80
248 #define CYGARC_REG_SCIF_SCIMR_PSEL 0x40
249 #define CYGARC_REG_SCIF_SCIMR_RIVS 0x20
252 #endif // CYGARC_SH_MOD_SCIF