From: Juergen Beisert <jbe@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 03/18] ARM/Samsung: follow the name style of the other source files in this directory
Date: Fri, 13 Jul 2012 21:00:55 +0200 [thread overview]
Message-ID: <1342206070-29698-4-git-send-email-jbe@pengutronix.de> (raw)
In-Reply-To: <1342206070-29698-1-git-send-email-jbe@pengutronix.de>
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
---
arch/arm/mach-samsung/Makefile | 2 +-
arch/arm/mach-samsung/clocks-s3c24xx.c | 157 ++++++++++++++++++++++++++++++++
arch/arm/mach-samsung/s3c24xx-clocks.c | 157 --------------------------------
3 files changed, 158 insertions(+), 158 deletions(-)
create mode 100644 arch/arm/mach-samsung/clocks-s3c24xx.c
delete mode 100644 arch/arm/mach-samsung/s3c24xx-clocks.c
diff --git a/arch/arm/mach-samsung/Makefile b/arch/arm/mach-samsung/Makefile
index 6020587..091b600 100644
--- a/arch/arm/mach-samsung/Makefile
+++ b/arch/arm/mach-samsung/Makefile
@@ -1,6 +1,6 @@
obj-y += s3c-timer.o generic.o
obj-lowlevel-$(CONFIG_ARCH_S3C24xx) += lowlevel-s3c24x0.o
obj-lowlevel-$(CONFIG_ARCH_S5PCxx) += lowlevel-s5pcxx.o
-obj-$(CONFIG_ARCH_S3C24xx) += gpio-s3c24x0.o s3c24xx-clocks.o mem-s3c24x0.o
+obj-$(CONFIG_ARCH_S3C24xx) += gpio-s3c24x0.o clocks-s3c24xx.o mem-s3c24x0.o
obj-$(CONFIG_ARCH_S5PCxx) += gpio-s5pcxx.o clocks-s5pcxx.o mem-s5pcxx.o
obj-$(CONFIG_S3C_LOWLEVEL_INIT) += $(obj-lowlevel-y)
diff --git a/arch/arm/mach-samsung/clocks-s3c24xx.c b/arch/arm/mach-samsung/clocks-s3c24xx.c
new file mode 100644
index 0000000..13e6867
--- /dev/null
+++ b/arch/arm/mach-samsung/clocks-s3c24xx.c
@@ -0,0 +1,157 @@
+/*
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ */
+
+#include <config.h>
+#include <common.h>
+#include <init.h>
+#include <clock.h>
+#include <io.h>
+#include <mach/s3c-iomap.h>
+#include <mach/s3c-generic.h>
+#include <mach/s3c-clocks.h>
+#include <mach/s3c-busctl.h>
+
+/**
+ * Calculate the current M-PLL clock.
+ * @return Current frequency in Hz
+ */
+uint32_t s3c_get_mpllclk(void)
+{
+ uint32_t m, p, s, reg_val;
+
+ reg_val = readl(S3C_MPLLCON);
+ m = ((reg_val & 0xFF000) >> 12) + 8;
+ p = ((reg_val & 0x003F0) >> 4) + 2;
+ s = reg_val & 0x3;
+#ifdef CONFIG_CPU_S3C2410
+ return (S3C24XX_CLOCK_REFERENCE * m) / (p << s);
+#endif
+#ifdef CONFIG_CPU_S3C2440
+ return 2 * m * (S3C24XX_CLOCK_REFERENCE / (p << s));
+#endif
+}
+
+/**
+ * Calculate the current U-PLL clock
+ * @return Current frequency in Hz
+ */
+uint32_t s3c_get_upllclk(void)
+{
+ uint32_t m, p, s, reg_val;
+
+ reg_val = readl(S3C_UPLLCON);
+ m = ((reg_val & 0xFF000) >> 12) + 8;
+ p = ((reg_val & 0x003F0) >> 4) + 2;
+ s = reg_val & 0x3;
+
+ return (S3C24XX_CLOCK_REFERENCE * m) / (p << s);
+}
+
+/**
+ * Calculate the FCLK frequency used for the ARM CPU core
+ * @return Current frequency in Hz
+ */
+uint32_t s3c_get_fclk(void)
+{
+ return s3c_get_mpllclk();
+}
+
+/**
+ * Calculate the HCLK frequency used for the AHB bus (CPU to main peripheral)
+ * @return Current frequency in Hz
+ */
+uint32_t s3c_get_hclk(void)
+{
+ uint32_t f_clk;
+
+ f_clk = s3c_get_fclk();
+#ifdef CONFIG_CPU_S3C2410
+ if (readl(S3C_CLKDIVN) & 0x02)
+ return f_clk >> 1;
+#endif
+#ifdef CONFIG_CPU_S3C2440
+ switch(readl(S3C_CLKDIVN) & 0x06) {
+ case 2:
+ return f_clk >> 1;
+ case 4:
+ return f_clk >> 2; /* TODO consider CAMDIVN */
+ case 6:
+ return f_clk / 3; /* TODO consider CAMDIVN */
+ }
+#endif
+ return f_clk;
+}
+
+/**
+ * Calculate the PCLK frequency used for the slower peripherals
+ * @return Current frequency in Hz
+ */
+uint32_t s3c_get_pclk(void)
+{
+ uint32_t p_clk;
+
+ p_clk = s3c_get_hclk();
+ if (readl(S3C_CLKDIVN) & 0x01)
+ return p_clk >> 1;
+ return p_clk;
+}
+
+/**
+ * Calculate the UCLK frequency used by the USB host device
+ * @return Current frequency in Hz
+ */
+uint32_t s3c24_get_uclk(void)
+{
+ return s3c_get_upllclk();
+}
+
+/**
+ * Return correct UART frequency based on the UCON register
+ */
+unsigned s3c_get_uart_clk(unsigned src)
+{
+ switch (src & 3) {
+ case 0:
+ case 2:
+ return s3c_get_pclk();
+ case 1:
+ return 0; /* TODO UEXTCLK */
+ case 3:
+ return 0; /* TODO FCLK/n */
+ }
+ return 0; /* not reached, to make compiler happy */
+}
+
+/**
+ * Show the user the current clock settings
+ */
+int s3c24xx_dump_clocks(void)
+{
+ printf("refclk: %7d kHz\n", S3C24XX_CLOCK_REFERENCE / 1000);
+ printf("mpll: %7d kHz\n", s3c_get_mpllclk() / 1000);
+ printf("upll: %7d kHz\n", s3c_get_upllclk() / 1000);
+ printf("fclk: %7d kHz\n", s3c_get_fclk() / 1000);
+ printf("hclk: %7d kHz\n", s3c_get_hclk() / 1000);
+ printf("pclk: %7d kHz\n", s3c_get_pclk() / 1000);
+ printf("SDRAM1: CL%d@%dMHz\n", ((readl(S3C_BANKCON6) & 0xc) >> 2) + 2,
+ s3c_get_hclk() / 1000000);
+ if ((readl(S3C_BANKCON7) & (0x3 << 15)) == (0x3 << 15))
+ printf("SDRAM2: CL%d@%dMHz\n",
+ ((readl(S3C_BANKCON7) & 0xc) >> 2) + 2,
+ s3c_get_hclk() / 1000000);
+ return 0;
+}
+
+late_initcall(s3c24xx_dump_clocks);
diff --git a/arch/arm/mach-samsung/s3c24xx-clocks.c b/arch/arm/mach-samsung/s3c24xx-clocks.c
deleted file mode 100644
index 13e6867..0000000
--- a/arch/arm/mach-samsung/s3c24xx-clocks.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- */
-
-#include <config.h>
-#include <common.h>
-#include <init.h>
-#include <clock.h>
-#include <io.h>
-#include <mach/s3c-iomap.h>
-#include <mach/s3c-generic.h>
-#include <mach/s3c-clocks.h>
-#include <mach/s3c-busctl.h>
-
-/**
- * Calculate the current M-PLL clock.
- * @return Current frequency in Hz
- */
-uint32_t s3c_get_mpllclk(void)
-{
- uint32_t m, p, s, reg_val;
-
- reg_val = readl(S3C_MPLLCON);
- m = ((reg_val & 0xFF000) >> 12) + 8;
- p = ((reg_val & 0x003F0) >> 4) + 2;
- s = reg_val & 0x3;
-#ifdef CONFIG_CPU_S3C2410
- return (S3C24XX_CLOCK_REFERENCE * m) / (p << s);
-#endif
-#ifdef CONFIG_CPU_S3C2440
- return 2 * m * (S3C24XX_CLOCK_REFERENCE / (p << s));
-#endif
-}
-
-/**
- * Calculate the current U-PLL clock
- * @return Current frequency in Hz
- */
-uint32_t s3c_get_upllclk(void)
-{
- uint32_t m, p, s, reg_val;
-
- reg_val = readl(S3C_UPLLCON);
- m = ((reg_val & 0xFF000) >> 12) + 8;
- p = ((reg_val & 0x003F0) >> 4) + 2;
- s = reg_val & 0x3;
-
- return (S3C24XX_CLOCK_REFERENCE * m) / (p << s);
-}
-
-/**
- * Calculate the FCLK frequency used for the ARM CPU core
- * @return Current frequency in Hz
- */
-uint32_t s3c_get_fclk(void)
-{
- return s3c_get_mpllclk();
-}
-
-/**
- * Calculate the HCLK frequency used for the AHB bus (CPU to main peripheral)
- * @return Current frequency in Hz
- */
-uint32_t s3c_get_hclk(void)
-{
- uint32_t f_clk;
-
- f_clk = s3c_get_fclk();
-#ifdef CONFIG_CPU_S3C2410
- if (readl(S3C_CLKDIVN) & 0x02)
- return f_clk >> 1;
-#endif
-#ifdef CONFIG_CPU_S3C2440
- switch(readl(S3C_CLKDIVN) & 0x06) {
- case 2:
- return f_clk >> 1;
- case 4:
- return f_clk >> 2; /* TODO consider CAMDIVN */
- case 6:
- return f_clk / 3; /* TODO consider CAMDIVN */
- }
-#endif
- return f_clk;
-}
-
-/**
- * Calculate the PCLK frequency used for the slower peripherals
- * @return Current frequency in Hz
- */
-uint32_t s3c_get_pclk(void)
-{
- uint32_t p_clk;
-
- p_clk = s3c_get_hclk();
- if (readl(S3C_CLKDIVN) & 0x01)
- return p_clk >> 1;
- return p_clk;
-}
-
-/**
- * Calculate the UCLK frequency used by the USB host device
- * @return Current frequency in Hz
- */
-uint32_t s3c24_get_uclk(void)
-{
- return s3c_get_upllclk();
-}
-
-/**
- * Return correct UART frequency based on the UCON register
- */
-unsigned s3c_get_uart_clk(unsigned src)
-{
- switch (src & 3) {
- case 0:
- case 2:
- return s3c_get_pclk();
- case 1:
- return 0; /* TODO UEXTCLK */
- case 3:
- return 0; /* TODO FCLK/n */
- }
- return 0; /* not reached, to make compiler happy */
-}
-
-/**
- * Show the user the current clock settings
- */
-int s3c24xx_dump_clocks(void)
-{
- printf("refclk: %7d kHz\n", S3C24XX_CLOCK_REFERENCE / 1000);
- printf("mpll: %7d kHz\n", s3c_get_mpllclk() / 1000);
- printf("upll: %7d kHz\n", s3c_get_upllclk() / 1000);
- printf("fclk: %7d kHz\n", s3c_get_fclk() / 1000);
- printf("hclk: %7d kHz\n", s3c_get_hclk() / 1000);
- printf("pclk: %7d kHz\n", s3c_get_pclk() / 1000);
- printf("SDRAM1: CL%d@%dMHz\n", ((readl(S3C_BANKCON6) & 0xc) >> 2) + 2,
- s3c_get_hclk() / 1000000);
- if ((readl(S3C_BANKCON7) & (0x3 << 15)) == (0x3 << 15))
- printf("SDRAM2: CL%d@%dMHz\n",
- ((readl(S3C_BANKCON7) & 0xc) >> 2) + 2,
- s3c_get_hclk() / 1000000);
- return 0;
-}
-
-late_initcall(s3c24xx_dump_clocks);
--
1.7.10.4
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
next prev parent reply other threads:[~2012-07-13 19:01 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-13 19:00 [RFC] Inclusion of the Samsung S3C6410 SoC Juergen Beisert
2012-07-13 19:00 ` [PATCH 01/18] ARM/Samsung: be able to include the nand header multiple times Juergen Beisert
2012-07-13 19:00 ` [PATCH 02/18] ARM/Samsung: unify device registration for the S3C24XX SoCs Juergen Beisert
2012-07-16 7:21 ` Sascha Hauer
2012-07-16 7:37 ` Juergen Beisert
2012-07-13 19:00 ` Juergen Beisert [this message]
2012-07-13 19:00 ` [PATCH 04/18] Samsung/serial: remove more ugly ifdef lines Juergen Beisert
2012-07-13 19:00 ` [PATCH 05/18] Samsung/serial: make the clock source configureable Juergen Beisert
2012-07-16 7:20 ` Sascha Hauer
2012-07-13 19:00 ` [PATCH 06/18] Samsung/serial: make the code more readable Juergen Beisert
2012-07-13 19:00 ` [PATCH 07/18] Samsung/serial: there is no need to ifdef these register defines Juergen Beisert
2012-07-13 19:01 ` [PATCH 08/18] Samsung/serial: there is no need to ifdef the slot table Juergen Beisert
2012-07-13 19:01 ` [PATCH 09/18] Samsung/serial: move the decision about an improved UART into Kconfig Juergen Beisert
2012-07-13 19:01 ` [PATCH 10/18] Samsung/serial: unify UCON register settings Juergen Beisert
2012-07-13 19:01 ` [PATCH 11/18] ARM/Samsung: add generic lowlevel init Juergen Beisert
2012-07-16 7:22 ` Sascha Hauer
2012-07-13 19:01 ` [PATCH 12/18] ARM/Samsung: add S3C6410 SoC iomap Juergen Beisert
2012-07-13 19:01 ` [PATCH 13/18] ARM/Samsung: adapt the generic timer driver to support the S3C6410 SoC Juergen Beisert
2012-07-13 19:01 ` [PATCH 14/18] ARM/Samsung: add the clock tree support for " Juergen Beisert
2012-07-13 19:01 ` [PATCH 15/18] ARM/Samsung: add GPIO handling " Juergen Beisert
2012-07-13 19:01 ` [PATCH 16/18] ARM/Samsung: add generic S3C6410 SoC specific functions Juergen Beisert
2012-07-13 19:01 ` [PATCH 17/18] ARM/Samsung: add the S3C6410 SoC Juergen Beisert
2012-07-13 19:01 ` [PATCH 18/18] ARM/Samsung: add the Mini6410 platform as the first user of " Juergen Beisert
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1342206070-29698-4-git-send-email-jbe@pengutronix.de \
--to=jbe@pengutronix.de \
--cc=barebox@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox