3 * (C) Copyright 2000-2003
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * (C) Copyright 2004-2007 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 #if defined(CONFIG_CMD_NET)
41 * Breath some life into the CPU...
43 * Set up the memory map,
44 * initialize a bunch of registers,
45 * initialize the UPM's
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;
53 scm1->mpr = 0x77777777;
64 GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | GPIO_PAR_BE_BE1_BE1 |
67 GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA | GPIO_PAR_FBCTL_RW_RW |
70 #if !defined(CONFIG_CF_SBF)
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;
78 #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL))
79 /* Latch chipselect */
80 fbcs->csar1 = CONFIG_SYS_CS1_BASE;
81 fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
82 fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
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;
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;
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;
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;
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.
114 if (CONFIG_SYS_CS0_BASE != 0)
115 setvbr(CONFIG_SYS_CS0_BASE);
117 #ifdef CONFIG_FSL_I2C
118 gpio->par_feci2c = GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA;
125 * initialize higher level parts of CPU like timers
130 volatile rtc_t *rtc = (volatile rtc_t *)(CONFIG_SYS_MCFRTC_BASE);
131 volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended;
133 rtcex->gocu = (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xFFFF;
134 rtcex->gocl = CONFIG_SYS_RTC_OSCILLATOR & 0xFFFF;
140 void uart_port_conf(int port)
142 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
148 ~(GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
150 (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
153 #ifdef CONFIG_SYS_UART1_PRI_GPIO
155 ~(GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
157 (GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
158 #elif defined(CONFIG_SYS_UART1_ALT1_GPIO)
160 (GPIO_PAR_SSI_SRXD_UNMASK | GPIO_PAR_SSI_STXD_UNMASK);
162 (GPIO_PAR_SSI_SRXD_U1RXD | GPIO_PAR_SSI_STXD_U1TXD);
166 #if defined(CONFIG_SYS_UART2_ALT1_GPIO)
168 (GPIO_PAR_TIMER_T3IN_UNMASK | GPIO_PAR_TIMER_T2IN_UNMASK);
170 (GPIO_PAR_TIMER_T3IN_U2RXD | GPIO_PAR_TIMER_T2IN_U2TXD);
171 #elif defined(CONFIG_SYS_UART2_ALT2_GPIO)
173 (GPIO_PAR_FECI2C_SCL_UNMASK | GPIO_PAR_FECI2C_SDA_UNMASK);
175 (GPIO_PAR_FECI2C_SCL_U2TXD | GPIO_PAR_FECI2C_SDA_U2RXD);
181 #if defined(CONFIG_CMD_NET)
182 int fecpin_setclear(struct eth_device *dev, int setclear)
184 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
185 struct fec_info_s *info = (struct fec_info_s *)dev->priv;
188 #ifdef CONFIG_SYS_FEC_NO_SHARED_PHY
189 if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
191 (GPIO_PAR_FECI2C_MDC0_MDC0 |
192 GPIO_PAR_FECI2C_MDIO0_MDIO0);
195 (GPIO_PAR_FECI2C_MDC1_MDC1 |
196 GPIO_PAR_FECI2C_MDIO1_MDIO1);
199 (GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
202 if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
203 gpio->par_fec |= GPIO_PAR_FEC_FEC0_RMII_GPIO;
205 gpio->par_fec |= GPIO_PAR_FEC_FEC1_RMII_ATA;
208 ~(GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
210 if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
211 #ifdef CONFIG_SYS_FEC_FULL_MII
212 gpio->par_fec |= GPIO_PAR_FEC_FEC0_MII;
214 gpio->par_fec &= GPIO_PAR_FEC_FEC0_UNMASK;
217 #ifdef CONFIG_SYS_FEC_FULL_MII
218 gpio->par_fec |= GPIO_PAR_FEC_FEC1_MII;
220 gpio->par_fec &= GPIO_PAR_FEC_FEC1_UNMASK;
228 #ifdef CONFIG_CF_DSPI
229 void cfspi_port_conf(void)
231 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
233 gpio->par_dspi = GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
234 GPIO_PAR_DSPI_SCK_SCK;
237 int cfspi_claim_bus(uint bus, uint cs)
239 volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
240 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
242 if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS)
245 /* Clear FIFO and resume transfer */
246 dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF);
250 gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
251 gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0;
254 gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1;
255 gpio->par_dspi |= GPIO_PAR_DSPI_PCS1_PCS1;
258 gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2;
259 gpio->par_dspi |= GPIO_PAR_DSPI_PCS2_PCS2;
262 gpio->par_dma &= GPIO_PAR_DMA_DACK0_UNMASK;
263 gpio->par_dma |= GPIO_PAR_DMA_DACK0_PCS3;
266 gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5;
267 gpio->par_dspi |= GPIO_PAR_DSPI_PCS5_PCS5;
274 void cfspi_release_bus(uint bus, uint cs)
276 volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
277 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
279 dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); /* Clear FIFO */
283 gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
286 gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1;
289 gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2;
292 gpio->par_dma &= GPIO_PAR_DMA_DACK0_UNMASK;
295 gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5;