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authorStefan Reinauer <reinauer@chromium.org>2013-05-14 13:32:33 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-07-10 02:41:23 +0200
commitb98dec032f0d8ee158e606bceef9766a905ad503 (patch)
treefce643a46c82ab71e3778a9c798fb4fac7702371 /src/cpu/samsung/exynos5250/clk.h
parent043eb0e35f93b41348eb69061a6aa0355ef544bc (diff)
samsung/exynos5250: unify code
It turns out that the exynos5-common code previously imported from u-boot is not common code at all but very specific to the 5250 and not compatible with the 5450. Hence, unify the directories exynos5250 and exynos5-common. We will try to factor out common code while progressing with the 5450 port. Change-Id: Iab595e66fcd01eda8365c96fb8bef896f7602f03 Signed-off-by: Stefan Reinauer <reinauer@google.com> Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3641 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/cpu/samsung/exynos5250/clk.h')
-rw-r--r--src/cpu/samsung/exynos5250/clk.h45
1 files changed, 44 insertions, 1 deletions
diff --git a/src/cpu/samsung/exynos5250/clk.h b/src/cpu/samsung/exynos5250/clk.h
index 828e7d8832..24e8e7066c 100644
--- a/src/cpu/samsung/exynos5250/clk.h
+++ b/src/cpu/samsung/exynos5250/clk.h
@@ -22,7 +22,50 @@
#ifndef __EXYNOS5_CLK_H__
#define __EXYNOS5_CLK_H__
-#include <cpu/samsung/exynos5-common/clk.h>
+#include <types.h>
+#include <stdint.h>
+
+enum periph_id;
+
+#define APLL 0
+#define MPLL 1
+#define EPLL 2
+#define HPLL 3
+#define VPLL 4
+#define BPLL 5
+
+enum pll_src_bit {
+ SRC_MPLL = 6,
+ SRC_EPLL,
+ SRC_VPLL,
+};
+
+/* *
+ * This structure is to store the src bit, div bit and prediv bit
+ * positions of the peripheral clocks of the src and div registers
+ */
+struct clk_bit_info {
+ s8 src_bit; /* offset in register to clock source field */
+ s8 n_src_bits; /* number of bits in 'src_bit' field */
+ s8 div_bit;
+ s8 prediv_bit;
+};
+
+unsigned long get_pll_clk(int pllreg);
+unsigned long get_arm_clk(void);
+unsigned long get_pwm_clk(void);
+unsigned long get_uart_clk(int dev_index);
+void set_mmc_clk(int dev_index, unsigned int div);
+
+/**
+ * get the clk frequency of the required peripherial
+ *
+ * @param peripherial Peripherial id
+ *
+ * @return frequency of the peripherial clk
+ */
+unsigned long clock_get_periph_rate(enum periph_id peripheral);
+
#include <cpu/samsung/exynos5250/pinmux.h>