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-rw-r--r--arch/arm/plat-s3c/include/plat/adc.h29
-rw-r--r--arch/arm/plat-s3c/include/plat/uncompress.h28
2 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c/include/plat/adc.h b/arch/arm/plat-s3c/include/plat/adc.h
new file mode 100644
index 0000000..43df2a4
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/adc.h
@@ -0,0 +1,29 @@
+/* arch/arm/plat-s3c/include/plat/adc.h
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ * http://armlinux.simnte.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C24XX ADC driver information
+ *
+ * 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.
+*/
+
+#ifndef __ASM_PLAT_ADC_H
+#define __ASM_PLAT_ADC_H __FILE__
+
+struct s3c_adc_client;
+
+extern int s3c_adc_start(struct s3c_adc_client *client,
+ unsigned int channel, unsigned int nr_samples);
+
+extern struct s3c_adc_client *s3c_adc_register(struct platform_device *pdev,
+ void (*select)(unsigned selected),
+ void (*conv)(unsigned d0, unsigned d1),
+ unsigned int is_ts);
+
+extern void s3c_adc_release(struct s3c_adc_client *client);
+
+#endif /* __ASM_PLAT_ADC_H */
diff --git a/arch/arm/plat-s3c/include/plat/uncompress.h b/arch/arm/plat-s3c/include/plat/uncompress.h
index eeef32c..6061de8 100644
--- a/arch/arm/plat-s3c/include/plat/uncompress.h
+++ b/arch/arm/plat-s3c/include/plat/uncompress.h
@@ -139,6 +139,28 @@ static void arch_decomp_error(const char *x)
static void error(char *err);
+#ifdef CONFIG_S3C_BOOT_UART_FORCE_FIFO
+static inline void arch_enable_uart_fifo(void)
+{
+ u32 fifocon = uart_rd(S3C2410_UFCON);
+
+ if (!(fifocon & S3C2410_UFCON_FIFOMODE)) {
+ fifocon |= S3C2410_UFCON_RESETBOTH;
+ uart_wr(S3C2410_UFCON, fifocon);
+
+ /* wait for fifo reset to complete */
+ while (1) {
+ fifocon = uart_rd(S3C2410_UFCON);
+ if (!(fifocon & S3C2410_UFCON_RESETBOTH))
+ break;
+ }
+ }
+}
+#else
+#define arch_enable_uart_fifo() do { } while(0)
+#endif
+
+
static void
arch_decomp_setup(void)
{
@@ -149,6 +171,12 @@ arch_decomp_setup(void)
arch_detect_cpu();
arch_decomp_wdog_start();
+
+ /* Enable the UART FIFOs if they where not enabled and our
+ * configuration says we should turn them on.
+ */
+
+ arch_enable_uart_fifo();
}
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