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-rw-r--r--board/syteco/jadecpu/jadecpu.c170
1 files changed, 170 insertions, 0 deletions
diff --git a/board/syteco/jadecpu/jadecpu.c b/board/syteco/jadecpu/jadecpu.c
new file mode 100644
index 0000000..04d2f9d
--- /dev/null
+++ b/board/syteco/jadecpu/jadecpu.c
@@ -0,0 +1,170 @@
+/*
+ * (c) 2010 Graf-Syteco, Matthias Weisser
+ * <weisserm@arcor.de>
+ *
+ * (C) Copyright 2007, mycable GmbH
+ * Carsten Schneider <cs@mycable.de>, Alexander Bigga <ab@mycable.de>
+ *
+ * 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 <netdev.h>
+#include <asm/io.h>
+#include <asm/arch/mb86r0x.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+int board_init(void)
+{
+ struct mb86r0x_ccnt * ccnt = (struct mb86r0x_ccnt *)
+ MB86R0x_CCNT_BASE;
+
+ /* We select mode 0 for group 2 and mode 1 for group 4 */
+ writel(0x00000010, &ccnt->cmux_md);
+
+ gd->flags = 0;
+ gd->bd->bi_arch_number = MACH_TYPE_JADECPU;
+ gd->bd->bi_boot_params = PHYS_SDRAM + PHYS_SDRAM_SIZE - 0x10000;
+
+ icache_enable();
+
+ return 0;
+}
+
+static void setup_display_power(uint32_t pwr_bit, char *pwm_opts,
+ unsigned long pwm_base)
+{
+ struct mb86r0x_gpio *gpio = (struct mb86r0x_gpio *)
+ MB86R0x_GPIO_BASE;
+ struct mb86r0x_pwm *pwm = (struct mb86r0x_pwm *) pwm_base;
+ const char *e;
+
+ writel(readl(&gpio->gpdr2) | pwr_bit, &gpio->gpdr2);
+
+ e = getenv(pwm_opts);
+ if (e != NULL) {
+ const char *s;
+ uint32_t freq, init;
+
+ freq = 0;
+ init = 0;
+
+ s = strchr(e, 'f');
+ if (s != NULL)
+ freq = simple_strtol(s + 2, NULL, 0);
+
+ s = strchr(e, 'i');
+ if (s != NULL)
+ init = simple_strtol(s + 2, NULL, 0);
+
+ if (freq > 0) {
+ writel(CONFIG_MB86R0x_IOCLK / 1000 / freq,
+ &pwm->bcr);
+ writel(1002, &pwm->tpr);
+ writel(1, &pwm->pr);
+ writel(init * 10 + 1, &pwm->dr);
+ writel(1, &pwm->cr);
+ writel(1, &pwm->sr);
+ }
+ }
+}
+
+int board_late_init(void)
+{
+ struct mb86r0x_gpio *gpio = (struct mb86r0x_gpio *)
+ MB86R0x_GPIO_BASE;
+ uint32_t in_word;
+
+#ifdef CONFIG_VIDEO_MB86R0xGDC
+ /* Check if we have valid display settings and turn on power if so */
+ /* Display 0 */
+ if (getenv("gs_dsp_0_param") || getenv("videomode"))
+ setup_display_power((1 << 3), "gs_dsp_0_pwm",
+ MB86R0x_PWM0_BASE);
+
+ /* The corresponding GPIO is always an output */
+ writel(readl(&gpio->gpddr2) | (1 << 3), &gpio->gpddr2);
+
+ /* Display 1 */
+ if (getenv("gs_dsp_1_param") || getenv("videomode1"))
+ setup_display_power((1 << 4), "gs_dsp_1_pwm",
+ MB86R0x_PWM1_BASE);
+
+ /* The corresponding GPIO is always an output */
+ writel(readl(&gpio->gpddr2) | (1 << 4), &gpio->gpddr2);
+#endif /* CONFIG_VIDEO_MB86R0xGDC */
+
+ /* 5V enable */
+ writel(readl(&gpio->gpdr1) & ~(1 << 5), &gpio->gpdr1);
+ writel(readl(&gpio->gpddr1) | (1 << 5), &gpio->gpddr1);
+
+ /* We have special boot options if told by GPIOs */
+ in_word = readl(&gpio->gpdr1);
+
+ if ((in_word & 0xC0) == 0xC0) {
+ setenv("stdin", "serial");
+ setenv("stdout", "serial");
+ setenv("stderr", "serial");
+ setenv("preboot", "run gs_slow_boot");
+ } else if ((in_word & 0xC0) != 0) {
+ setenv("stdout", "vga");
+ setenv("gs_bootcmd", "mw.l 0x40000000 0 1024; usb start;"
+ "fatls usb 0; fatload usb 0 0x40000000 mcq5resq.bin;"
+ "bootelf 0x40000000; bootelf 0x10080000");
+ setenv("preboot", "run gs_slow_boot");
+ } else {
+ setenv("stdin", "serial");
+ setenv("stdout", "serial");
+ setenv("stderr", "serial");
+ if (getenv("gs_devel")) {
+ setenv("preboot", "run gs_slow_boot");
+ } else {
+ setenv("gs_bootcmd", "bootelf 0x10080000");
+ setenv("preboot", "run gs_fast_boot");
+ }
+ }
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ return 0;
+}
+
+/*
+ * DRAM configuration
+ */
+int dram_init(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ int rc = 0;
+#ifdef CONFIG_SMC911X
+ rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+ return rc;
+}