ColdFire: Add MCF547x_8x cpu arch

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
Signed-off by: John Rigby <jrigby@freescale.com>

1 files changed, 132 insertions, 0 deletions

diff --git a/cpu/mcf547x_8x/cpu_init.c b/cpu/mcf547x_8x/cpu_init.c
new file mode 100644
index 0000000..11154c6
--- /dev/null
+++ b/cpu/mcf547x_8x/cpu_init.c
@@ -0,0 +1,132 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 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 <MCD_dma.h>
+#include <asm/immap.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 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+	volatile xlbarb_t *xlbarb = (volatile xlbarb_t *) MMAP_XARB;
+
+	xlbarb->adrto = 0x2000;
+	xlbarb->datto = 0x2000;
+	xlbarb->busto = 0x3000;
+
+	xlbarb->cfg = XARB_SR_AT | XARB_SR_DT;
+
+	/* Master Priority Enable */
+	xlbarb->pri = 0;
+	xlbarb->prien = 0xff;
+
+#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_feci2cirq = GPIO_PAR_FECI2CIRQ_SCL | GPIO_PAR_FECI2CIRQ_SDA;
+#endif
+
+	icache_enable();
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r(void)
+{
+#if defined(CONFIG_CMD_NET) && defined(CONFIG_FSLDMAFEC)
+	MCD_initDma((dmaRegs *) (MMAP_MCDMA), (void *)(MMAP_SRAM + 512),
+		    MCD_RELOC_TASKS);
+#endif
+	return (0);
+}
+
+void uart_port_conf(void)
+{
+	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	volatile u8 *pscsicr = (u8 *) (CFG_UART_BASE + 0x40);
+
+	/* Setup Ports: */
+	switch (CFG_UART_PORT) {
+	case 0:
+		gpio->par_psc0 = (GPIO_PAR_PSC0_TXD0 | GPIO_PAR_PSC0_RXD0);
+		break;
+	case 1:
+		gpio->par_psc1 = (GPIO_PAR_PSC1_TXD1 | GPIO_PAR_PSC1_RXD1);
+		break;
+	case 2:
+		gpio->par_psc2 = (GPIO_PAR_PSC2_TXD2 | GPIO_PAR_PSC2_RXD2);
+		break;
+	case 3:
+		gpio->par_psc3 = (GPIO_PAR_PSC3_TXD3 | GPIO_PAR_PSC3_RXD3);
+		break;
+	}
+
+	*pscsicr &= 0xF8;
+}