ColdFire: Add MCF5227x cpu and MCF52277EVB support-2
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
Signed-off by: John Rigby <jrigby@freescale.com>
diff --git a/cpu/mcf5227x/cpu_init.c b/cpu/mcf5227x/cpu_init.c
new file mode 100644
index 0000000..71b053d
--- /dev/null
+++ b/cpu/mcf5227x/cpu_init.c
@@ -0,0 +1,146 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <watchdog.h>
+
+#include <asm/immap.h>
+#include <asm/rtc.h>
+
+/*
+ * Breath some life into the CPU...
+ *
+ * Set up the memory map,
+ * initialize a bunch of registers,
+ * initialize the UPM's
+ */
+void cpu_init_f(void)
+{
+ volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+ volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
+
+ /* Workaround, must place before fbcs */
+ pll->psr = 0x12;
+
+ scm1->mpr = 0x77777777;
+ scm1->pacra = 0;
+ scm1->pacrb = 0;
+ scm1->pacrc = 0;
+ scm1->pacrd = 0;
+ scm1->pacre = 0;
+ scm1->pacrf = 0;
+ scm1->pacrg = 0;
+ scm1->pacri = 0;
+
+#if (defined(CFG_CS0_BASE) && defined(CFG_CS0_MASK) && defined(CFG_CS0_CTRL))
+ fbcs->csar0 = CFG_CS0_BASE;
+ fbcs->cscr0 = CFG_CS0_CTRL;
+ fbcs->csmr0 = CFG_CS0_MASK;
+#endif
+
+#if (defined(CFG_CS1_BASE) && defined(CFG_CS1_MASK) && defined(CFG_CS1_CTRL))
+ fbcs->csar1 = CFG_CS1_BASE;
+ fbcs->cscr1 = CFG_CS1_CTRL;
+ fbcs->csmr1 = CFG_CS1_MASK;
+#endif
+
+#if (defined(CFG_CS2_BASE) && defined(CFG_CS2_MASK) && defined(CFG_CS2_CTRL))
+ fbcs->csar2 = CFG_CS2_BASE;
+ fbcs->cscr2 = CFG_CS2_CTRL;
+ fbcs->csmr2 = CFG_CS2_MASK;
+#endif
+
+#if (defined(CFG_CS3_BASE) && defined(CFG_CS3_MASK) && defined(CFG_CS3_CTRL))
+ fbcs->csar3 = CFG_CS3_BASE;
+ fbcs->cscr3 = CFG_CS3_CTRL;
+ fbcs->csmr3 = CFG_CS3_MASK;
+#endif
+
+#if (defined(CFG_CS4_BASE) && defined(CFG_CS4_MASK) && defined(CFG_CS4_CTRL))
+ fbcs->csar4 = CFG_CS4_BASE;
+ fbcs->cscr4 = CFG_CS4_CTRL;
+ fbcs->csmr4 = CFG_CS4_MASK;
+#endif
+
+#if (defined(CFG_CS5_BASE) && defined(CFG_CS5_MASK) && defined(CFG_CS5_CTRL))
+ fbcs->csar5 = CFG_CS5_BASE;
+ fbcs->cscr5 = CFG_CS5_CTRL;
+ fbcs->csmr5 = CFG_CS5_MASK;
+#endif
+
+#ifdef CONFIG_FSL_I2C
+ gpio->par_i2c = GPIO_PAR_I2C_SCL_SCL | GPIO_PAR_I2C_SDA_SDA;
+#endif
+
+ icache_enable();
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r(void)
+{
+#ifdef CONFIG_MCFTMR
+ volatile rtc_t *rtc = (volatile rtc_t *)(CFG_MCFRTC_BASE);
+ volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended;
+ u32 oscillator = CFG_RTC_OSCILLATOR;
+
+ rtcex->gocu = (CFG_RTC_OSCILLATOR >> 16) & 0xFFFF;
+ rtcex->gocl = CFG_RTC_OSCILLATOR & 0xFFFF;
+#endif
+
+ return (0);
+}
+
+void uart_port_conf(void)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ gpio->par_uart &=
+ (GPIO_PAR_UART_U0TXD_MASK & GPIO_PAR_UART_U0RXD_MASK);
+ gpio->par_uart |=
+ (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
+ break;
+ case 1:
+ gpio->par_uart &=
+ (GPIO_PAR_UART_U1TXD_MASK & GPIO_PAR_UART_U1RXD_MASK);
+ gpio->par_uart |=
+ (GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
+ break;
+ case 2:
+ gpio->par_dspi &=
+ (GPIO_PAR_DSPI_SIN_MASK & GPIO_PAR_DSPI_SOUT_MASK);
+ gpio->par_dspi =
+ (GPIO_PAR_DSPI_SIN_U2RXD | GPIO_PAR_DSPI_SOUT_U2TXD);
+ break;
+ }
+}