3 * (C) Copyright 2000-2003
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * (C) Copyright 2004-2007, 2012 Freescale Semiconductor, Inc.
7 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
9 * See file CREDITS for list of people who contributed to this
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.
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.
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,
30 #include <asm/immap.h>
31 #include <asm/processor.h>
34 #include <linux/compiler.h>
36 #if defined(CONFIG_CMD_NET)
43 * Breath some life into the CPU...
45 * Set up the memory map,
46 * initialize a bunch of registers,
47 * initialize the UPM's
51 scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
52 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
53 fbcs_t *fbcs __maybe_unused = (fbcs_t *) MMAP_FBCS;
55 out_be32(&scm1->mpr, 0x77777777);
56 out_be32(&scm1->pacra, 0);
57 out_be32(&scm1->pacrb, 0);
58 out_be32(&scm1->pacrc, 0);
59 out_be32(&scm1->pacrd, 0);
60 out_be32(&scm1->pacre, 0);
61 out_be32(&scm1->pacrf, 0);
62 out_be32(&scm1->pacrg, 0);
66 GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 |
67 GPIO_PAR_BE_BE1_BE1 | GPIO_PAR_BE_BE0_BE0);
68 out_8(&gpio->par_fbctl,
69 GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA |
70 GPIO_PAR_FBCTL_RW_RW | GPIO_PAR_FBCTL_TS_TS);
72 #if !defined(CONFIG_CF_SBF)
73 #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL))
74 out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE);
75 out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL);
76 out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK);
80 #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL))
81 /* Latch chipselect */
82 out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE);
83 out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL);
84 out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK);
87 #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL))
88 out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE);
89 out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL);
90 out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK);
93 #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL))
94 out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE);
95 out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL);
96 out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK);
99 #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL))
100 out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE);
101 out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL);
102 out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK);
105 #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL))
106 out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE);
107 out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL);
108 out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK);
112 * now the flash base address is no longer at 0 (Newer ColdFire family
113 * boot at address 0 instead of 0xFFnn_nnnn). The vector table must
114 * also move to the new location.
116 if (CONFIG_SYS_CS0_BASE != 0)
117 setvbr(CONFIG_SYS_CS0_BASE);
119 #ifdef CONFIG_FSL_I2C
120 out_be16(&gpio->par_feci2c,
121 GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA);
128 * initialize higher level parts of CPU like timers
133 rtc_t *rtc = (rtc_t *)(CONFIG_SYS_MCFRTC_BASE);
134 rtcex_t *rtcex = (rtcex_t *)&rtc->extended;
136 out_be32(&rtcex->gocu, (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xffff);
137 out_be32(&rtcex->gocl, CONFIG_SYS_RTC_OSCILLATOR & 0xffff);
143 void uart_port_conf(int port)
145 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
150 clrbits_8(&gpio->par_uart,
151 GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
152 setbits_8(&gpio->par_uart,
153 GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
156 #ifdef CONFIG_SYS_UART1_PRI_GPIO
157 clrbits_8(&gpio->par_uart,
158 GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
159 setbits_8(&gpio->par_uart,
160 GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
161 #elif defined(CONFIG_SYS_UART1_ALT1_GPIO)
162 clrbits_be16(&gpio->par_ssi,
163 ~(GPIO_PAR_SSI_SRXD_UNMASK | GPIO_PAR_SSI_STXD_UNMASK));
164 setbits_be16(&gpio->par_ssi,
165 GPIO_PAR_SSI_SRXD_U1RXD | GPIO_PAR_SSI_STXD_U1TXD);
169 #if defined(CONFIG_SYS_UART2_ALT1_GPIO)
170 clrbits_8(&gpio->par_timer,
171 ~(GPIO_PAR_TIMER_T3IN_UNMASK | GPIO_PAR_TIMER_T2IN_UNMASK));
172 setbits_8(&gpio->par_timer,
173 GPIO_PAR_TIMER_T3IN_U2RXD | GPIO_PAR_TIMER_T2IN_U2TXD);
174 #elif defined(CONFIG_SYS_UART2_ALT2_GPIO)
175 clrbits_8(&gpio->par_timer,
176 ~(GPIO_PAR_FECI2C_SCL_UNMASK | GPIO_PAR_FECI2C_SDA_UNMASK));
177 setbits_8(&gpio->par_timer,
178 GPIO_PAR_FECI2C_SCL_U2TXD | GPIO_PAR_FECI2C_SDA_U2RXD);
184 #if defined(CONFIG_CMD_NET)
185 int fecpin_setclear(struct eth_device *dev, int setclear)
187 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
188 struct fec_info_s *info = (struct fec_info_s *)dev->priv;
191 #ifdef CONFIG_SYS_FEC_NO_SHARED_PHY
192 if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
193 setbits_be16(&gpio->par_feci2c,
194 GPIO_PAR_FECI2C_MDC0_MDC0 |
195 GPIO_PAR_FECI2C_MDIO0_MDIO0);
197 setbits_be16(&gpio->par_feci2c,
198 GPIO_PAR_FECI2C_MDC1_MDC1 |
199 GPIO_PAR_FECI2C_MDIO1_MDIO1);
201 setbits_be16(&gpio->par_feci2c,
202 GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
205 if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
206 setbits_8(&gpio->par_fec, GPIO_PAR_FEC_FEC0_RMII_GPIO);
208 setbits_8(&gpio->par_fec, GPIO_PAR_FEC_FEC1_RMII_ATA);
210 clrbits_be16(&gpio->par_feci2c,
211 GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
213 if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
214 #ifdef CONFIG_SYS_FEC_FULL_MII
215 setbits_8(&gpio->par_fec, GPIO_PAR_FEC_FEC0_MII);
217 clrbits_8(&gpio->par_fec, ~GPIO_PAR_FEC_FEC0_UNMASK);
220 #ifdef CONFIG_SYS_FEC_FULL_MII
221 setbits_8(&gpio->par_fec, GPIO_PAR_FEC_FEC1_MII);
223 clrbits_8(&gpio->par_fec, ~GPIO_PAR_FEC_FEC1_UNMASK);
231 #ifdef CONFIG_CF_DSPI
232 void cfspi_port_conf(void)
234 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
236 out_8(&gpio->par_dspi,
237 GPIO_PAR_DSPI_SIN_SIN |
238 GPIO_PAR_DSPI_SOUT_SOUT |
239 GPIO_PAR_DSPI_SCK_SCK);
242 int cfspi_claim_bus(uint bus, uint cs)
244 dspi_t *dspi = (dspi_t *) MMAP_DSPI;
245 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
247 if ((in_be32(&dspi->sr) & DSPI_SR_TXRXS) != DSPI_SR_TXRXS)
250 /* Clear FIFO and resume transfer */
251 clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
255 clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
256 setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
259 clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS1_PCS1);
260 setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS1_PCS1);
263 clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS2_PCS2);
264 setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS2_PCS2);
267 clrbits_8(&gpio->par_dma, ~GPIO_PAR_DMA_DACK0_UNMASK);
268 setbits_8(&gpio->par_dma, GPIO_PAR_DMA_DACK0_PCS3);
271 clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5);
272 setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5);
279 void cfspi_release_bus(uint bus, uint cs)
281 dspi_t *dspi = (dspi_t *) MMAP_DSPI;
282 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
285 clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
289 clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
292 clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS1_PCS1);
295 clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS2_PCS2);
298 clrbits_8(&gpio->par_dma, ~GPIO_PAR_DMA_DACK0_UNMASK);
301 clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5);