3 * Josef Baumgartner <josef.baumgartner@telex.de>
7 * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
9 * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
10 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
11 * Hayden Fraser (Hayden.Fraser@freescale.com)
14 * Copyright (C) 2008 Arthur Shipkowski (art@videon-central.com)
16 * See file CREDITS for list of people who contributed to this
19 * This program is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU General Public License as
21 * published by the Free Software Foundation; either version 2 of
22 * the License, or (at your option) any later version.
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
37 #include <asm/immap.h>
40 /* Only 5272 Flexbus chipselect is different from the rest */
43 volatile fbcs_t *fbcs = (fbcs_t *) (MMAP_FBCS);
45 #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
46 && defined(CONFIG_SYS_CS0_CTRL))
47 fbcs->csar0 = CONFIG_SYS_CS0_BASE;
48 fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
49 fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
51 #warning "Chip Select 0 are not initialized/used"
53 #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
54 && defined(CONFIG_SYS_CS1_CTRL))
55 fbcs->csar1 = CONFIG_SYS_CS1_BASE;
56 fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
57 fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
59 #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
60 && defined(CONFIG_SYS_CS2_CTRL))
61 fbcs->csar2 = CONFIG_SYS_CS2_BASE;
62 fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
63 fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
65 #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
66 && defined(CONFIG_SYS_CS3_CTRL))
67 fbcs->csar3 = CONFIG_SYS_CS3_BASE;
68 fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
69 fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
71 #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
72 && defined(CONFIG_SYS_CS4_CTRL))
73 fbcs->csar4 = CONFIG_SYS_CS4_BASE;
74 fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
75 fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
77 #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
78 && defined(CONFIG_SYS_CS5_CTRL))
79 fbcs->csar5 = CONFIG_SYS_CS5_BASE;
80 fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
81 fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
83 #if (defined(CONFIG_SYS_CS6_BASE) && defined(CONFIG_SYS_CS6_MASK) \
84 && defined(CONFIG_SYS_CS6_CTRL))
85 fbcs->csar6 = CONFIG_SYS_CS6_BASE;
86 fbcs->cscr6 = CONFIG_SYS_CS6_CTRL;
87 fbcs->csmr6 = CONFIG_SYS_CS6_MASK;
89 #if (defined(CONFIG_SYS_CS7_BASE) && defined(CONFIG_SYS_CS7_MASK) \
90 && defined(CONFIG_SYS_CS7_CTRL))
91 fbcs->csar7 = CONFIG_SYS_CS7_BASE;
92 fbcs->cscr7 = CONFIG_SYS_CS7_CTRL;
93 fbcs->csmr7 = CONFIG_SYS_CS7_MASK;
98 #if defined(CONFIG_M5253)
100 * Breath some life into the CPU...
102 * Set up the memory map,
103 * initialize a bunch of registers,
104 * initialize the UPM's
106 void cpu_init_f(void)
108 mbar_writeByte(MCFSIM_MPARK, 0x40); /* 5249 Internal Core takes priority over DMA */
109 mbar_writeByte(MCFSIM_SYPCR, 0x00);
110 mbar_writeByte(MCFSIM_SWIVR, 0x0f);
111 mbar_writeByte(MCFSIM_SWSR, 0x00);
112 mbar_writeByte(MCFSIM_SWDICR, 0x00);
113 mbar_writeByte(MCFSIM_TIMER1ICR, 0x00);
114 mbar_writeByte(MCFSIM_TIMER2ICR, 0x88);
115 mbar_writeByte(MCFSIM_I2CICR, 0x00);
116 mbar_writeByte(MCFSIM_UART1ICR, 0x00);
117 mbar_writeByte(MCFSIM_UART2ICR, 0x00);
118 mbar_writeByte(MCFSIM_ICR6, 0x00);
119 mbar_writeByte(MCFSIM_ICR7, 0x00);
120 mbar_writeByte(MCFSIM_ICR8, 0x00);
121 mbar_writeByte(MCFSIM_ICR9, 0x00);
122 mbar_writeByte(MCFSIM_QSPIICR, 0x00);
124 mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
125 mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
126 mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
128 /*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); *//* Enable a 1 cycle pre-drive cycle on CS1 */
130 /* FlexBus Chipselect */
133 #ifdef CONFIG_FSL_I2C
134 CONFIG_SYS_I2C_PINMUX_REG =
135 CONFIG_SYS_I2C_PINMUX_REG & CONFIG_SYS_I2C_PINMUX_CLR;
136 CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET;
137 #ifdef CONFIG_SYS_I2C2_OFFSET
138 CONFIG_SYS_I2C2_PINMUX_REG &= CONFIG_SYS_I2C2_PINMUX_CLR;
139 CONFIG_SYS_I2C2_PINMUX_REG |= CONFIG_SYS_I2C2_PINMUX_SET;
143 /* enable instruction cache now */
147 /*initialize higher level parts of CPU like timers */
153 void uart_port_conf(void)
156 switch (CONFIG_SYS_UART_PORT) {
165 #endif /* #if defined(CONFIG_M5253) */
167 #if defined(CONFIG_M5271)
168 void cpu_init_f(void)
170 #ifndef CONFIG_WATCHDOG
171 /* Disable the watchdog if we aren't using it */
172 mbar_writeShort(MCF_WTM_WCR, 0);
175 /* FlexBus Chipselect */
178 /* Set clockspeed to 100MHz */
179 mbar_writeShort(MCF_FMPLL_SYNCR,
180 MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0));
181 while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK) ;
185 * initialize higher level parts of CPU like timers
192 void uart_port_conf(void)
195 switch (CONFIG_SYS_UART_PORT) {
197 mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
198 MCF_GPIO_PAR_UART_U0RXD);
201 mbar_writeShort(MCF_GPIO_PAR_UART,
202 MCF_GPIO_PAR_UART_U1RXD_UART1 |
203 MCF_GPIO_PAR_UART_U1TXD_UART1);
206 mbar_writeShort(MCF_GPIO_PAR_UART, 0x3000);
212 #if defined(CONFIG_M5272)
214 * Breath some life into the CPU...
216 * Set up the memory map,
217 * initialize a bunch of registers,
218 * initialize the UPM's
220 void cpu_init_f(void)
222 /* if we come from RAM we assume the CPU is
223 * already initialized.
225 #ifndef CONFIG_MONITOR_IS_IN_RAM
226 volatile sysctrl_t *sysctrl = (sysctrl_t *) (CONFIG_SYS_MBAR);
227 volatile gpio_t *gpio = (gpio_t *) (MMAP_GPIO);
228 volatile csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS);
230 sysctrl->sc_scr = CONFIG_SYS_SCR;
231 sysctrl->sc_spr = CONFIG_SYS_SPR;
234 gpio->gpio_pacnt = CONFIG_SYS_PACNT;
235 gpio->gpio_paddr = CONFIG_SYS_PADDR;
236 gpio->gpio_padat = CONFIG_SYS_PADAT;
237 gpio->gpio_pbcnt = CONFIG_SYS_PBCNT;
238 gpio->gpio_pbddr = CONFIG_SYS_PBDDR;
239 gpio->gpio_pbdat = CONFIG_SYS_PBDAT;
240 gpio->gpio_pdcnt = CONFIG_SYS_PDCNT;
242 /* Memory Controller: */
243 csctrl->cs_br0 = CONFIG_SYS_BR0_PRELIM;
244 csctrl->cs_or0 = CONFIG_SYS_OR0_PRELIM;
246 #if (defined(CONFIG_SYS_OR1_PRELIM) && defined(CONFIG_SYS_BR1_PRELIM))
247 csctrl->cs_br1 = CONFIG_SYS_BR1_PRELIM;
248 csctrl->cs_or1 = CONFIG_SYS_OR1_PRELIM;
251 #if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)
252 csctrl->cs_br2 = CONFIG_SYS_BR2_PRELIM;
253 csctrl->cs_or2 = CONFIG_SYS_OR2_PRELIM;
256 #if defined(CONFIG_SYS_OR3_PRELIM) && defined(CONFIG_SYS_BR3_PRELIM)
257 csctrl->cs_br3 = CONFIG_SYS_BR3_PRELIM;
258 csctrl->cs_or3 = CONFIG_SYS_OR3_PRELIM;
261 #if defined(CONFIG_SYS_OR4_PRELIM) && defined(CONFIG_SYS_BR4_PRELIM)
262 csctrl->cs_br4 = CONFIG_SYS_BR4_PRELIM;
263 csctrl->cs_or4 = CONFIG_SYS_OR4_PRELIM;
266 #if defined(CONFIG_SYS_OR5_PRELIM) && defined(CONFIG_SYS_BR5_PRELIM)
267 csctrl->cs_br5 = CONFIG_SYS_BR5_PRELIM;
268 csctrl->cs_or5 = CONFIG_SYS_OR5_PRELIM;
271 #if defined(CONFIG_SYS_OR6_PRELIM) && defined(CONFIG_SYS_BR6_PRELIM)
272 csctrl->cs_br6 = CONFIG_SYS_BR6_PRELIM;
273 csctrl->cs_or6 = CONFIG_SYS_OR6_PRELIM;
276 #if defined(CONFIG_SYS_OR7_PRELIM) && defined(CONFIG_SYS_BR7_PRELIM)
277 csctrl->cs_br7 = CONFIG_SYS_BR7_PRELIM;
278 csctrl->cs_or7 = CONFIG_SYS_OR7_PRELIM;
281 #endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
283 /* enable instruction cache now */
289 * initialize higher level parts of CPU like timers
296 void uart_port_conf(void)
298 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
301 switch (CONFIG_SYS_UART_PORT) {
303 gpio->gpio_pbcnt &= ~(GPIO_PBCNT_PB0MSK | GPIO_PBCNT_PB1MSK);
304 gpio->gpio_pbcnt |= (GPIO_PBCNT_URT0_TXD | GPIO_PBCNT_URT0_RXD);
307 gpio->gpio_pdcnt &= ~(GPIO_PDCNT_PD1MSK | GPIO_PDCNT_PD4MSK);
308 gpio->gpio_pdcnt |= (GPIO_PDCNT_URT1_RXD | GPIO_PDCNT_URT1_TXD);
312 #endif /* #if defined(CONFIG_M5272) */
314 #if defined(CONFIG_M5275)
317 * Breathe some life into the CPU...
319 * Set up the memory map,
320 * initialize a bunch of registers,
321 * initialize the UPM's
323 void cpu_init_f(void)
326 * if we come from RAM we assume the CPU is
327 * already initialized.
330 #ifndef CONFIG_MONITOR_IS_IN_RAM
331 volatile wdog_t *wdog_reg = (wdog_t *) (MMAP_WDOG);
332 volatile gpio_t *gpio_reg = (gpio_t *) (MMAP_GPIO);
334 /* Kill watchdog so we can initialize the PLL */
337 /* FlexBus Chipselect */
339 #endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
341 #ifdef CONFIG_FSL_I2C
342 CONFIG_SYS_I2C_PINMUX_REG &= CONFIG_SYS_I2C_PINMUX_CLR;
343 CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET;
346 /* enable instruction cache now */
351 * initialize higher level parts of CPU like timers
358 void uart_port_conf(void)
360 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
363 switch (CONFIG_SYS_UART_PORT) {
365 gpio->par_uart |= UART0_ENABLE_MASK;
368 gpio->par_uart |= UART1_ENABLE_MASK;
371 gpio->par_uart |= UART2_ENABLE_MASK;
375 #endif /* #if defined(CONFIG_M5275) */
377 #if defined(CONFIG_M5282)
379 * Breath some life into the CPU...
381 * Set up the memory map,
382 * initialize a bunch of registers,
383 * initialize the UPM's
385 void cpu_init_f(void)
387 #ifndef CONFIG_WATCHDOG
388 /* disable watchdog if we aren't using it */
392 #ifndef CONFIG_MONITOR_IS_IN_RAM
395 MCFCLOCK_SYNCR_MFD(CONFIG_SYS_MFD) |
396 MCFCLOCK_SYNCR_RFD(CONFIG_SYS_RFD);
397 while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ;
399 MCFGPIO_PBCDPAR = 0xc0;
401 /* Set up the GPIO ports */
402 #ifdef CONFIG_SYS_PEPAR
403 MCFGPIO_PEPAR = CONFIG_SYS_PEPAR;
405 #ifdef CONFIG_SYS_PFPAR
406 MCFGPIO_PFPAR = CONFIG_SYS_PFPAR;
408 #ifdef CONFIG_SYS_PJPAR
409 MCFGPIO_PJPAR = CONFIG_SYS_PJPAR;
411 #ifdef CONFIG_SYS_PSDPAR
412 MCFGPIO_PSDPAR = CONFIG_SYS_PSDPAR;
414 #ifdef CONFIG_SYS_PASPAR
415 MCFGPIO_PASPAR = CONFIG_SYS_PASPAR;
417 #ifdef CONFIG_SYS_PEHLPAR
418 MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR;
420 #ifdef CONFIG_SYS_PQSPAR
421 MCFGPIO_PQSPAR = CONFIG_SYS_PQSPAR;
423 #ifdef CONFIG_SYS_PTCPAR
424 MCFGPIO_PTCPAR = CONFIG_SYS_PTCPAR;
426 #ifdef CONFIG_SYS_PTDPAR
427 MCFGPIO_PTDPAR = CONFIG_SYS_PTDPAR;
429 #ifdef CONFIG_SYS_PUAPAR
430 MCFGPIO_PUAPAR = CONFIG_SYS_PUAPAR;
433 #ifdef CONFIG_SYS_DDRUA
434 MCFGPIO_DDRUA = CONFIG_SYS_DDRUA;
437 /* FlexBus Chipselect */
440 #endif /* CONFIG_MONITOR_IS_IN_RAM */
442 /* defer enabling cache until boot (see do_go) */
443 /* icache_enable(); */
447 * initialize higher level parts of CPU like timers
454 void uart_port_conf(void)
457 switch (CONFIG_SYS_UART_PORT) {
459 MCFGPIO_PUAPAR &= 0xFc;
460 MCFGPIO_PUAPAR |= 0x03;
463 MCFGPIO_PUAPAR &= 0xF3;
464 MCFGPIO_PUAPAR |= 0x0C;
467 MCFGPIO_PASPAR &= 0xFF0F;
468 MCFGPIO_PASPAR |= 0x00A0;
474 #if defined(CONFIG_M5249)
476 * Breath some life into the CPU...
478 * Set up the memory map,
479 * initialize a bunch of registers,
480 * initialize the UPM's
482 void cpu_init_f(void)
485 * NOTE: by setting the GPIO_FUNCTION registers, we ensure that the UART pins
486 * (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins
487 * which is their primary function.
490 mbar2_writeLong(MCFSIM_GPIO_FUNC, CONFIG_SYS_GPIO_FUNC);
491 mbar2_writeLong(MCFSIM_GPIO1_FUNC, CONFIG_SYS_GPIO1_FUNC);
492 mbar2_writeLong(MCFSIM_GPIO_EN, CONFIG_SYS_GPIO_EN);
493 mbar2_writeLong(MCFSIM_GPIO1_EN, CONFIG_SYS_GPIO1_EN);
494 mbar2_writeLong(MCFSIM_GPIO_OUT, CONFIG_SYS_GPIO_OUT);
495 mbar2_writeLong(MCFSIM_GPIO1_OUT, CONFIG_SYS_GPIO1_OUT);
499 * You can verify these values by using dBug's 'ird'
500 * (Internal Register Display) command
504 mbar_writeByte(MCFSIM_MPARK, 0x30); /* 5249 Internal Core takes priority over DMA */
505 mbar_writeByte(MCFSIM_SYPCR, 0x00);
506 mbar_writeByte(MCFSIM_SWIVR, 0x0f);
507 mbar_writeByte(MCFSIM_SWSR, 0x00);
508 mbar_writeLong(MCFSIM_IMR, 0xfffffbff);
509 mbar_writeByte(MCFSIM_SWDICR, 0x00);
510 mbar_writeByte(MCFSIM_TIMER1ICR, 0x00);
511 mbar_writeByte(MCFSIM_TIMER2ICR, 0x88);
512 mbar_writeByte(MCFSIM_I2CICR, 0x00);
513 mbar_writeByte(MCFSIM_UART1ICR, 0x00);
514 mbar_writeByte(MCFSIM_UART2ICR, 0x00);
515 mbar_writeByte(MCFSIM_ICR6, 0x00);
516 mbar_writeByte(MCFSIM_ICR7, 0x00);
517 mbar_writeByte(MCFSIM_ICR8, 0x00);
518 mbar_writeByte(MCFSIM_ICR9, 0x00);
519 mbar_writeByte(MCFSIM_QSPIICR, 0x00);
521 mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
522 mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
523 mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
524 mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); /* Enable a 1 cycle pre-drive cycle on CS1 */
526 /* Setup interrupt priorities for gpio7 */
527 /* mbar2_writeLong(MCFSIM_INTLEV5, 0x70000000); */
529 /* IDE Config registers */
530 mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020);
531 mbar2_writeLong(MCFSIM_IDECONFIG2, 0x00000000);
533 /* FlexBus Chipselect */
536 /* enable instruction cache now */
541 * initialize higher level parts of CPU like timers
548 void uart_port_conf(void)
551 switch (CONFIG_SYS_UART_PORT) {
558 #endif /* #if defined(CONFIG_M5249) */