aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-tcc8k/board-tcc8000-sdk.c')
-rw-r--r--arch/arm/mach-tcc8k/board-tcc8000-sdk.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/arm/mach-tcc8k/board-tcc8000-sdk.c b/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
new file mode 100644
index 00000000..4cb3c2dd
--- /dev/null
+++ b/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+
+#include <mach/clock.h>
+#include <mach/tcc-nand.h>
+#include <mach/tcc8k-regs.h>
+
+#include "common.h"
+
+#define XI_FREQUENCY 12000000
+#define XTI_FREQUENCY 32768
+
+#ifdef CONFIG_MTD_NAND_TCC
+/* NAND */
+static struct tcc_nand_platform_data tcc8k_sdk_nand_data = {
+ .width = 1,
+ .hw_ecc = 0,
+};
+#endif
+
+static void __init tcc8k_init(void)
+{
+#ifdef CONFIG_MTD_NAND_TCC
+ tcc_nand_device.dev.platform_data = &tcc8k_sdk_nand_data;
+ platform_device_register(&tcc_nand_device);
+#endif
+}
+
+static void __init tcc8k_init_timer(void)
+{
+ tcc_clocks_init(XI_FREQUENCY, XTI_FREQUENCY);
+}
+
+static struct sys_timer tcc8k_timer = {
+ .init = tcc8k_init_timer,
+};
+
+static void __init tcc8k_map_io(void)
+{
+ tcc8k_map_common_io();
+
+ /* set PLL0 clock to 96MHz, adapt UART0 divisor */
+ __raw_writel(0x00026003, CKC_BASE + PLL0CFG_OFFS);
+ __raw_writel(0x10000001, CKC_BASE + ACLKUART0_OFFS);
+
+ /* set PLL1 clock to 192MHz */
+ __raw_writel(0x00016003, CKC_BASE + PLL1CFG_OFFS);
+
+ /* set PLL2 clock to 48MHz */
+ __raw_writel(0x00036003, CKC_BASE + PLL2CFG_OFFS);
+
+ /* with CPU freq higher than 150 MHz, need extra DTCM wait */
+ __raw_writel(0x00000001, SCFG_BASE + DTCMWAIT_OFFS);
+
+ /* PLL locking time as specified */
+ udelay(300);
+}
+
+MACHINE_START(TCC8000_SDK, "Telechips TCC8000-SDK Demo Board")
+ .boot_params = PLAT_PHYS_OFFSET + 0x00000100,
+ .map_io = tcc8k_map_io,
+ .init_irq = tcc8k_init_irq,
+ .init_machine = tcc8k_init,
+ .timer = &tcc8k_timer,
+MACHINE_END