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Diffstat (limited to 'cpu/mcf532x/cpu_init.c')
-rw-r--r--cpu/mcf532x/cpu_init.c202
1 files changed, 188 insertions, 14 deletions
diff --git a/cpu/mcf532x/cpu_init.c b/cpu/mcf532x/cpu_init.c
index 39be11f..687c7e4 100644
--- a/cpu/mcf532x/cpu_init.c
+++ b/cpu/mcf532x/cpu_init.c
@@ -3,7 +3,7 @@
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * (C) Copyright 2007 Freescale Semiconductor, Inc.
+ * (C) Copyright 2004-2008 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
@@ -35,13 +35,180 @@
#include <asm/fec.h>
#endif
-/*
- * Breath some life into the CPU...
- *
- * Set up the memory map,
- * initialize a bunch of registers,
- * initialize the UPM's
- */
+#ifdef CONFIG_MCF5301x
+void cpu_init_f(void)
+{
+ volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
+ volatile scm2_t *scm2 = (scm2_t *) MMAP_SCM2;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+
+ /* watchdog is enabled by default - disable the watchdog */
+#ifndef CONFIG_WATCHDOG
+ /*wdog->cr = 0; */
+#endif
+
+ scm1->mpr = 0x77777777;
+ scm1->pacra = 0;
+ scm1->pacrb = 0;
+ scm1->pacrc = 0;
+ scm1->pacrd = 0;
+ scm1->pacre = 0;
+ scm1->pacrf = 0;
+ scm1->pacrg = 0;
+
+#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
+ && defined(CONFIG_SYS_CS0_CTRL))
+ gpio->par_cs |= GPIO_PAR_CS0_CS0;
+ fbcs->csar0 = CONFIG_SYS_CS0_BASE;
+ fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
+ fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
+#endif
+
+#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
+ && defined(CONFIG_SYS_CS1_CTRL))
+ gpio->par_cs |= GPIO_PAR_CS1_CS1;
+ fbcs->csar1 = CONFIG_SYS_CS1_BASE;
+ fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
+ fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
+#endif
+
+#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
+ && defined(CONFIG_SYS_CS2_CTRL))
+ fbcs->csar2 = CONFIG_SYS_CS2_BASE;
+ fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
+ fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
+#endif
+
+#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
+ && defined(CONFIG_SYS_CS3_CTRL))
+ fbcs->csar3 = CONFIG_SYS_CS3_BASE;
+ fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
+ fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
+#endif
+
+#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
+ && defined(CONFIG_SYS_CS4_CTRL))
+ gpio->par_cs |= GPIO_PAR_CS4;
+ fbcs->csar4 = CONFIG_SYS_CS4_BASE;
+ fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
+ fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
+#endif
+
+#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
+ && defined(CONFIG_SYS_CS5_CTRL))
+ gpio->par_cs |= GPIO_PAR_CS5;
+ fbcs->csar5 = CONFIG_SYS_CS5_BASE;
+ fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
+ fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
+#endif
+
+#ifdef CONFIG_FSL_I2C
+ gpio->par_feci2c = GPIO_PAR_FECI2C_SDA_SDA | GPIO_PAR_FECI2C_SCL_SCL;
+#endif
+
+ icache_enable();
+}
+
+/* initialize higher level parts of CPU like timers */
+int cpu_init_r(void)
+{
+#ifdef CONFIG_MCFFEC
+ volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;
+#endif
+#ifdef CONFIG_MCFRTC
+ volatile rtc_t *rtc = (rtc_t *) (CONFIG_SYS_MCFRTC_BASE);
+ volatile rtcex_t *rtcex = (rtcex_t *) & rtc->extended;
+
+ rtcex->gocu = CONFIG_SYS_RTC_CNT;
+ rtcex->gocl = CONFIG_SYS_RTC_SETUP;
+
+#endif
+#ifdef CONFIG_MCFFEC
+ if (CONFIG_SYS_FEC0_MIIBASE != CONFIG_SYS_FEC1_MIIBASE)
+ ccm->misccr |= CCM_MISCCR_FECM;
+ else
+ ccm->misccr &= ~CCM_MISCCR_FECM;
+#endif
+
+ return (0);
+}
+
+void uart_port_conf(void)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ /* Setup Ports: */
+ switch (CONFIG_SYS_UART_PORT) {
+ case 0:
+ gpio->par_uart = (GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD);
+ break;
+ case 1:
+#ifdef CONFIG_SYS_UART1_ALT1_GPIO
+ gpio->par_simp1h &=
+ ~(GPIO_PAR_SIMP1H_DATA1_MASK | GPIO_PAR_SIMP1H_VEN1_MASK);
+ gpio->par_simp1h |=
+ (GPIO_PAR_SIMP1H_DATA1_U1TXD | GPIO_PAR_SIMP1H_VEN1_U1RXD);
+#elif defined(CONFIG_SYS_UART1_ALT2_GPIO)
+ gpio->par_ssih &=
+ ~(GPIO_PAR_SSIH_RXD_MASK | GPIO_PAR_SSIH_TXD_MASK);
+ gpio->par_ssih |=
+ (GPIO_PAR_SSIH_RXD_U1RXD | GPIO_PAR_SSIH_TXD_U1TXD);
+#endif
+ break;
+ case 2:
+#ifdef CONFIG_SYS_UART2_PRI_GPIO
+ gpio->par_uart |= (GPIO_PAR_UART_U2TXD | GPIO_PAR_UART_U2RXD);
+#elif defined(CONFIG_SYS_UART2_ALT1_GPIO)
+ gpio->par_dspih &=
+ ~(GPIO_PAR_DSPIH_SIN_MASK | GPIO_PAR_DSPIH_SOUT_MASK);
+ gpio->par_dspih |=
+ (GPIO_PAR_DSPIH_SIN_U2RXD | GPIO_PAR_DSPIH_SOUT_U2TXD);
+#elif defined(CONFIG_SYS_UART2_ALT2_GPIO)
+ gpio->par_feci2c &=
+ ~(GPIO_PAR_FECI2C_SDA_MASK | GPIO_PAR_FECI2C_SCL_MASK);
+ gpio->par_feci2c |=
+ (GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_U2RXD);
+#endif
+ break;
+ }
+}
+
+#if defined(CONFIG_CMD_NET)
+int fecpin_setclear(struct eth_device *dev, int setclear)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ struct fec_info_s *info = (struct fec_info_s *)dev->priv;
+
+ if (setclear) {
+ if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
+ gpio->par_fec |=
+ GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC;
+ gpio->par_feci2c |=
+ GPIO_PAR_FECI2C_MDC0 | GPIO_PAR_FECI2C_MDIO0;
+ } else {
+ gpio->par_fec |=
+ GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC;
+ gpio->par_feci2c |=
+ GPIO_PAR_FECI2C_MDC1 | GPIO_PAR_FECI2C_MDIO1;
+ }
+ } else {
+ if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
+ gpio->par_fec &=
+ ~(GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC);
+ gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII0_MASK;
+ } else {
+ gpio->par_fec &=
+ ~(GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC);
+ gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII1_MASK;
+ }
+ }
+ return 0;
+}
+#endif /* CONFIG_CMD_NET */
+#endif /* CONFIG_MCF5301x */
+
+#ifdef CONFIG_MCF532x
void cpu_init_f(void)
{
volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
@@ -68,13 +235,15 @@ void cpu_init_f(void)
/* Port configuration */
gpio->par_cs = 0;
-#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL))
+#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
+ && defined(CONFIG_SYS_CS0_CTRL))
fbcs->csar0 = CONFIG_SYS_CS0_BASE;
fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
#endif
-#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL))
+#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
+ && defined(CONFIG_SYS_CS1_CTRL))
/* Latch chipselect */
gpio->par_cs |= GPIO_PAR_CS1;
fbcs->csar1 = CONFIG_SYS_CS1_BASE;
@@ -82,28 +251,32 @@ void cpu_init_f(void)
fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
#endif
-#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL))
+#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
+ && defined(CONFIG_SYS_CS2_CTRL))
gpio->par_cs |= GPIO_PAR_CS2;
fbcs->csar2 = CONFIG_SYS_CS2_BASE;
fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
#endif
-#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL))
+#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
+ && defined(CONFIG_SYS_CS3_CTRL))
gpio->par_cs |= GPIO_PAR_CS3;
fbcs->csar3 = CONFIG_SYS_CS3_BASE;
fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
#endif
-#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL))
+#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
+ && defined(CONFIG_SYS_CS4_CTRL))
gpio->par_cs |= GPIO_PAR_CS4;
fbcs->csar4 = CONFIG_SYS_CS4_BASE;
fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
#endif
-#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL))
+#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
+ && defined(CONFIG_SYS_CS5_CTRL))
gpio->par_cs |= GPIO_PAR_CS5;
fbcs->csar5 = CONFIG_SYS_CS5_BASE;
fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
@@ -162,3 +335,4 @@ int fecpin_setclear(struct eth_device *dev, int setclear)
return 0;
}
#endif
+#endif /* CONFIG_MCF532x */
generated by cgit v1.1 at 2024-11-16 17:47:36 +0000