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8ae158cd TL |
1 | /* |
2 | * | |
3 | * (C) Copyright 2000-2003 | |
4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
5 | * | |
6 | * (C) Copyright 2004-2007 Freescale Semiconductor, Inc. | |
7 | * TsiChung Liew (Tsi-Chung.Liew@freescale.com) | |
8 | * | |
9 | * See file CREDITS for list of people who contributed to this | |
10 | * project. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
25 | * MA 02111-1307 USA | |
26 | */ | |
27 | ||
28 | #include <common.h> | |
29 | #include <watchdog.h> | |
8ae158cd | 30 | #include <asm/immap.h> |
68e4e76a | 31 | #include <asm/processor.h> |
8ae158cd TL |
32 | #include <asm/rtc.h> |
33 | ||
f3962d3f TL |
34 | #if defined(CONFIG_CMD_NET) |
35 | #include <config.h> | |
36 | #include <net.h> | |
37 | #include <asm/fec.h> | |
38 | #endif | |
39 | ||
8ae158cd TL |
40 | /* |
41 | * Breath some life into the CPU... | |
42 | * | |
43 | * Set up the memory map, | |
44 | * initialize a bunch of registers, | |
45 | * initialize the UPM's | |
46 | */ | |
47 | void cpu_init_f(void) | |
48 | { | |
49 | volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1; | |
50 | volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; | |
51 | volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; | |
52 | ||
53 | scm1->mpr = 0x77777777; | |
54 | scm1->pacra = 0; | |
55 | scm1->pacrb = 0; | |
56 | scm1->pacrc = 0; | |
57 | scm1->pacrd = 0; | |
58 | scm1->pacre = 0; | |
59 | scm1->pacrf = 0; | |
60 | scm1->pacrg = 0; | |
61 | ||
62 | /* FlexBus */ | |
63 | gpio->par_be = | |
64 | GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | GPIO_PAR_BE_BE1_BE1 | | |
65 | GPIO_PAR_BE_BE0_BE0; | |
66 | gpio->par_fbctl = | |
67 | GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA | GPIO_PAR_FBCTL_RW_RW | | |
68 | GPIO_PAR_FBCTL_TS_TS; | |
69 | ||
9f751551 | 70 | #if !defined(CONFIG_CF_SBF) |
6d0f6bcf JCPV |
71 | #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL)) |
72 | fbcs->csar0 = CONFIG_SYS_CS0_BASE; | |
73 | fbcs->cscr0 = CONFIG_SYS_CS0_CTRL; | |
74 | fbcs->csmr0 = CONFIG_SYS_CS0_MASK; | |
8ae158cd | 75 | #endif |
9f751551 | 76 | #endif |
8ae158cd | 77 | |
6d0f6bcf | 78 | #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL)) |
8ae158cd | 79 | /* Latch chipselect */ |
6d0f6bcf JCPV |
80 | fbcs->csar1 = CONFIG_SYS_CS1_BASE; |
81 | fbcs->cscr1 = CONFIG_SYS_CS1_CTRL; | |
82 | fbcs->csmr1 = CONFIG_SYS_CS1_MASK; | |
8ae158cd TL |
83 | #endif |
84 | ||
6d0f6bcf JCPV |
85 | #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL)) |
86 | fbcs->csar2 = CONFIG_SYS_CS2_BASE; | |
87 | fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; | |
88 | fbcs->csmr2 = CONFIG_SYS_CS2_MASK; | |
8ae158cd TL |
89 | #endif |
90 | ||
6d0f6bcf JCPV |
91 | #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL)) |
92 | fbcs->csar3 = CONFIG_SYS_CS3_BASE; | |
93 | fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; | |
94 | fbcs->csmr3 = CONFIG_SYS_CS3_MASK; | |
8ae158cd TL |
95 | #endif |
96 | ||
6d0f6bcf JCPV |
97 | #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL)) |
98 | fbcs->csar4 = CONFIG_SYS_CS4_BASE; | |
99 | fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; | |
100 | fbcs->csmr4 = CONFIG_SYS_CS4_MASK; | |
8ae158cd TL |
101 | #endif |
102 | ||
6d0f6bcf JCPV |
103 | #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL)) |
104 | fbcs->csar5 = CONFIG_SYS_CS5_BASE; | |
105 | fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; | |
106 | fbcs->csmr5 = CONFIG_SYS_CS5_MASK; | |
8ae158cd TL |
107 | #endif |
108 | ||
68e4e76a TL |
109 | /* |
110 | * now the flash base address is no longer at 0 (Newer ColdFire family | |
111 | * boot at address 0 instead of 0xFFnn_nnnn). The vector table must | |
112 | * also move to the new location. | |
113 | */ | |
114 | if (CONFIG_SYS_CS0_BASE != 0) | |
115 | setvbr(CONFIG_SYS_CS0_BASE); | |
116 | ||
8ae158cd TL |
117 | #ifdef CONFIG_FSL_I2C |
118 | gpio->par_feci2c = GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA; | |
119 | #endif | |
120 | ||
121 | icache_enable(); | |
122 | } | |
123 | ||
124 | /* | |
125 | * initialize higher level parts of CPU like timers | |
126 | */ | |
127 | int cpu_init_r(void) | |
128 | { | |
bc3ccb13 | 129 | #ifdef CONFIG_MCFRTC |
6d0f6bcf | 130 | volatile rtc_t *rtc = (volatile rtc_t *)(CONFIG_SYS_MCFRTC_BASE); |
8ae158cd | 131 | volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended; |
8ae158cd | 132 | |
6d0f6bcf JCPV |
133 | rtcex->gocu = (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xFFFF; |
134 | rtcex->gocl = CONFIG_SYS_RTC_OSCILLATOR & 0xFFFF; | |
8ae158cd TL |
135 | #endif |
136 | ||
137 | return (0); | |
138 | } | |
139 | ||
52affe04 | 140 | void uart_port_conf(int port) |
8ae158cd TL |
141 | { |
142 | volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; | |
143 | ||
144 | /* Setup Ports: */ | |
52affe04 | 145 | switch (port) { |
8ae158cd | 146 | case 0: |
52affe04 TL |
147 | gpio->par_uart &= |
148 | ~(GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD); | |
149 | gpio->par_uart |= | |
8ae158cd TL |
150 | (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD); |
151 | break; | |
152 | case 1: | |
52affe04 TL |
153 | #ifdef CONFIG_SYS_UART1_PRI_GPIO |
154 | gpio->par_uart &= | |
155 | ~(GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD); | |
156 | gpio->par_uart |= | |
8ae158cd | 157 | (GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD); |
52affe04 TL |
158 | #elif defined(CONFIG_SYS_UART1_ALT1_GPIO) |
159 | gpio->par_ssi &= | |
160 | (GPIO_PAR_SSI_SRXD_UNMASK | GPIO_PAR_SSI_STXD_UNMASK); | |
161 | gpio->par_ssi |= | |
162 | (GPIO_PAR_SSI_SRXD_U1RXD | GPIO_PAR_SSI_STXD_U1TXD); | |
163 | #endif | |
164 | break; | |
165 | case 2: | |
166 | #if defined(CONFIG_SYS_UART2_ALT1_GPIO) | |
167 | gpio->par_timer &= | |
168 | (GPIO_PAR_TIMER_T3IN_UNMASK | GPIO_PAR_TIMER_T2IN_UNMASK); | |
169 | gpio->par_timer |= | |
170 | (GPIO_PAR_TIMER_T3IN_U2RXD | GPIO_PAR_TIMER_T2IN_U2TXD); | |
171 | #elif defined(CONFIG_SYS_UART2_ALT2_GPIO) | |
172 | gpio->par_timer &= | |
173 | (GPIO_PAR_FECI2C_SCL_UNMASK | GPIO_PAR_FECI2C_SDA_UNMASK); | |
174 | gpio->par_timer |= | |
175 | (GPIO_PAR_FECI2C_SCL_U2TXD | GPIO_PAR_FECI2C_SDA_U2RXD); | |
176 | #endif | |
8ae158cd TL |
177 | break; |
178 | } | |
179 | } | |
f3962d3f TL |
180 | |
181 | #if defined(CONFIG_CMD_NET) | |
182 | int fecpin_setclear(struct eth_device *dev, int setclear) | |
183 | { | |
184 | volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; | |
185 | struct fec_info_s *info = (struct fec_info_s *)dev->priv; | |
186 | ||
187 | if (setclear) { | |
ae490997 WW |
188 | #ifdef CONFIG_SYS_FEC_NO_SHARED_PHY |
189 | if (info->iobase == CONFIG_SYS_FEC0_IOBASE) | |
190 | gpio->par_feci2c |= | |
191 | (GPIO_PAR_FECI2C_MDC0_MDC0 | | |
192 | GPIO_PAR_FECI2C_MDIO0_MDIO0); | |
193 | else | |
194 | gpio->par_feci2c |= | |
195 | (GPIO_PAR_FECI2C_MDC1_MDC1 | | |
196 | GPIO_PAR_FECI2C_MDIO1_MDIO1); | |
197 | #else | |
f3962d3f TL |
198 | gpio->par_feci2c |= |
199 | (GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0); | |
ae490997 | 200 | #endif |
f3962d3f TL |
201 | |
202 | if (info->iobase == CONFIG_SYS_FEC0_IOBASE) | |
203 | gpio->par_fec |= GPIO_PAR_FEC_FEC0_RMII_GPIO; | |
204 | else | |
205 | gpio->par_fec |= GPIO_PAR_FEC_FEC1_RMII_ATA; | |
206 | } else { | |
207 | gpio->par_feci2c &= | |
208 | ~(GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0); | |
209 | ||
210 | if (info->iobase == CONFIG_SYS_FEC0_IOBASE) | |
d04c1efa | 211 | gpio->par_fec &= GPIO_PAR_FEC_FEC0_UNMASK; |
f3962d3f | 212 | else |
d04c1efa | 213 | gpio->par_fec &= GPIO_PAR_FEC_FEC1_UNMASK; |
f3962d3f TL |
214 | } |
215 | return 0; | |
216 | } | |
217 | #endif | |
ee0a8462 TL |
218 | |
219 | #ifdef CONFIG_CF_DSPI | |
220 | void cfspi_port_conf(void) | |
221 | { | |
222 | volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; | |
223 | ||
224 | gpio->par_dspi = GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | | |
225 | GPIO_PAR_DSPI_SCK_SCK; | |
226 | } | |
227 | ||
228 | int cfspi_claim_bus(uint bus, uint cs) | |
229 | { | |
230 | volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; | |
231 | volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; | |
232 | ||
233 | if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS) | |
234 | return -1; | |
235 | ||
236 | /* Clear FIFO and resume transfer */ | |
237 | dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); | |
238 | ||
239 | switch (cs) { | |
240 | case 0: | |
241 | gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; | |
242 | gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0; | |
243 | break; | |
244 | case 1: | |
245 | gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1; | |
246 | gpio->par_dspi |= GPIO_PAR_DSPI_PCS1_PCS1; | |
247 | break; | |
248 | case 2: | |
249 | gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2; | |
250 | gpio->par_dspi |= GPIO_PAR_DSPI_PCS2_PCS2; | |
251 | break; | |
e9b43cae WW |
252 | case 3: |
253 | gpio->par_dma &= GPIO_PAR_DMA_DACK0_UNMASK; | |
254 | gpio->par_dma |= GPIO_PAR_DMA_DACK0_PCS3; | |
255 | break; | |
ee0a8462 TL |
256 | case 5: |
257 | gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5; | |
258 | gpio->par_dspi |= GPIO_PAR_DSPI_PCS5_PCS5; | |
259 | break; | |
260 | } | |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
265 | void cfspi_release_bus(uint bus, uint cs) | |
266 | { | |
267 | volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; | |
268 | volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; | |
269 | ||
270 | dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); /* Clear FIFO */ | |
271 | ||
272 | switch (cs) { | |
273 | case 0: | |
274 | gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; | |
275 | break; | |
276 | case 1: | |
277 | gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1; | |
278 | break; | |
279 | case 2: | |
280 | gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2; | |
281 | break; | |
e9b43cae WW |
282 | case 3: |
283 | gpio->par_dma &= GPIO_PAR_DMA_DACK0_UNMASK; | |
284 | break; | |
ee0a8462 TL |
285 | case 5: |
286 | gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5; | |
287 | break; | |
288 | } | |
289 | } | |
290 | #endif |