]> git.ipfire.org Git - people/ms/u-boot.git/blame - arch/m68k/cpu/mcf5445x/cpu_init.c
add CONFIG_SYS_FEC_NO_SHARED_PHY for MCF5445x
[people/ms/u-boot.git] / arch / m68k / cpu / mcf5445x / cpu_init.c
CommitLineData
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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>
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32#include <asm/rtc.h>
33
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34#if defined(CONFIG_CMD_NET)
35#include <config.h>
36#include <net.h>
37#include <asm/fec.h>
38#endif
39
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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 */
47void 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)
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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 */
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80 fbcs->csar1 = CONFIG_SYS_CS1_BASE;
81 fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
82 fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
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83#endif
84
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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;
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89#endif
90
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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;
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95#endif
96
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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;
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101#endif
102
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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;
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107#endif
108
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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
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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 */
127int 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
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133 rtcex->gocu = (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xFFFF;
134 rtcex->gocl = CONFIG_SYS_RTC_OSCILLATOR & 0xFFFF;
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135#endif
136
137 return (0);
138}
139
52affe04 140void uart_port_conf(int port)
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141{
142 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
143
144 /* Setup Ports: */
52affe04 145 switch (port) {
8ae158cd 146 case 0:
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147 gpio->par_uart &=
148 ~(GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
149 gpio->par_uart |=
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150 (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
151 break;
152 case 1:
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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);
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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
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177 break;
178 }
179}
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180
181#if defined(CONFIG_CMD_NET)
182int 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) {
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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
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198 gpio->par_feci2c |=
199 (GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
ae490997 200#endif
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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;
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214 }
215 return 0;
216}
217#endif
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218
219#ifdef CONFIG_CF_DSPI
220void 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
228int 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;
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252 case 3:
253 gpio->par_dma &= GPIO_PAR_DMA_DACK0_UNMASK;
254 gpio->par_dma |= GPIO_PAR_DMA_DACK0_PCS3;
255 break;
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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
265void 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;
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282 case 3:
283 gpio->par_dma &= GPIO_PAR_DMA_DACK0_UNMASK;
284 break;
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285 case 5:
286 gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5;
287 break;
288 }
289}
290#endif