ARM: UniPhier: split clkrst_init() into two functions

Split the current clkrst_init() into two functions:

 - early_clkrst_init(): called from SPL
  Deassert the reset signals of the memory controller and some other
  basic cores.

 - clkrst_init(): called from main U-boot
  Deassert the reset signals that are necessary for the access to
  peripherals etc.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

diff --git a/arch/arm/mach-uniphier/board_early_init_f.c b/arch/arm/mach-uniphier/board_early_init_f.c
index bf81345ab9e50253df3403bde1d9a2036dab9977..71087404084ae75fdf85d3177d845e54cdd1be92 100644 (file)
--- a/arch/arm/mach-uniphier/board_early_init_f.c
+++ b/arch/arm/mach-uniphier/board_early_init_f.c
@@ -9,6 +9,7 @@
 #include <mach/board.h>
 
 void pin_init(void);
+void clkrst_init(void);
 
 int board_early_init_f(void)
 {
@@ -18,5 +19,9 @@ int board_early_init_f(void)
 
        led_write(U, 1, , );
 
+       clkrst_init();
+
+       led_write(U, 2, , );
+
        return 0;
 }

diff --git a/arch/arm/mach-uniphier/ph1-ld4/Makefile b/arch/arm/mach-uniphier/ph1-ld4/Makefile
index 72f46636fd5d60aa39f689c9f3f2c3a5807b1147..927640afd4dabb3ffcb03c16b9e33d61902d82ef 100644 (file)
--- a/arch/arm/mach-uniphier/ph1-ld4/Makefile
+++ b/arch/arm/mach-uniphier/ph1-ld4/Makefile
@@ -4,10 +4,10 @@
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
-obj-y += bcu_init.o sbc_init.o sg_init.o pll_init.o clkrst_init.o \
+obj-y += bcu_init.o sbc_init.o sg_init.o pll_init.o early_clkrst_init.o \
        pll_spectrum.o umc_init.o ddrphy_init.o
 else
-obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o
+obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o clkrst_init.o
 obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
 endif
 

diff --git a/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c b/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c
index eaa45f94d349c257e9724302167612ececf21529..f5fc418ef033e065a365e31a4c36c82ead7f3a91 100644 (file)
--- a/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c
+++ b/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2011-2014 Panasonic Corporation
+ * Copyright (C) 2011-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:    GPL-2.0+
  */
 
-#include <common.h>
 #include <asm/io.h>
 #include <mach/sc-regs.h>
 
@@ -15,15 +14,26 @@ void clkrst_init(void)
 
        /* deassert reset */
        tmp = readl(SC_RSTCTRL);
-       tmp |= SC_RSTCTRL_NRST_ETHER | SC_RSTCTRL_NRST_UMC1
-               | SC_RSTCTRL_NRST_UMC0 | SC_RSTCTRL_NRST_NAND;
+#ifdef CONFIG_UNIPHIER_ETH
+       tmp |= SC_RSTCTRL_NRST_ETHER;
+#endif
+#ifdef CONFIG_NAND_DENALI
+       tmp |= SC_RSTCTRL_NRST_NAND;
+#endif
        writel(tmp, SC_RSTCTRL);
        readl(SC_RSTCTRL); /* dummy read */
 
        /* privide clocks */
        tmp = readl(SC_CLKCTRL);
-       tmp |= SC_CLKCTRL_CEN_ETHER | SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_UMC
-            | SC_CLKCTRL_CEN_NAND | SC_CLKCTRL_CEN_SBC | SC_CLKCTRL_CEN_PERI;
+#ifdef CONFIG_UNIPHIER_ETH
+       tmp |= SC_CLKCTRL_CEN_ETHER;
+#endif
+#ifdef CONFIG_USB_EHCI_UNIPHIER
+       tmp |= SC_CLKCTRL_CEN_MIO;
+#endif
+#ifdef CONFIG_NAND_DENALI
+       tmp |= SC_CLKCTRL_CEN_NAND;
+#endif
        writel(tmp, SC_CLKCTRL);
        readl(SC_CLKCTRL); /* dummy read */
 }

diff --git a/arch/arm/mach-uniphier/ph1-ld4/early_clkrst_init.c b/arch/arm/mach-uniphier/ph1-ld4/early_clkrst_init.c
new file mode 100644 (file)
index 0000000..d7ef16b
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-ld4/early_clkrst_init.c
@@ -0,0 +1 @@
+#include "../ph1-pro4/early_clkrst_init.c"

diff --git a/arch/arm/mach-uniphier/ph1-pro4/Makefile b/arch/arm/mach-uniphier/ph1-pro4/Makefile
index e330fda1ed44a7f420744011525c98b59cf33b9e..0390506e891a251a605f1d214c9309bf7bbf22d8 100644 (file)
--- a/arch/arm/mach-uniphier/ph1-pro4/Makefile
+++ b/arch/arm/mach-uniphier/ph1-pro4/Makefile
@@ -4,10 +4,10 @@
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
-obj-y += sbc_init.o sg_init.o pll_init.o clkrst_init.o \
+obj-y += sbc_init.o sg_init.o pll_init.o early_clkrst_init.o \
        pll_spectrum.o umc_init.o ddrphy_init.o
 else
-obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o
+obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o clkrst_init.o
 obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
 endif
 

diff --git a/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c b/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c
index eaa45f94d349c257e9724302167612ececf21529..f5fc418ef033e065a365e31a4c36c82ead7f3a91 100644 (file)
--- a/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c
+++ b/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c
@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2011-2014 Panasonic Corporation
+ * Copyright (C) 2011-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:    GPL-2.0+
  */
 
-#include <common.h>
 #include <asm/io.h>
 #include <mach/sc-regs.h>
 
@@ -15,15 +14,26 @@ void clkrst_init(void)
 
        /* deassert reset */
        tmp = readl(SC_RSTCTRL);
-       tmp |= SC_RSTCTRL_NRST_ETHER | SC_RSTCTRL_NRST_UMC1
-               | SC_RSTCTRL_NRST_UMC0 | SC_RSTCTRL_NRST_NAND;
+#ifdef CONFIG_UNIPHIER_ETH
+       tmp |= SC_RSTCTRL_NRST_ETHER;
+#endif
+#ifdef CONFIG_NAND_DENALI
+       tmp |= SC_RSTCTRL_NRST_NAND;
+#endif
        writel(tmp, SC_RSTCTRL);
        readl(SC_RSTCTRL); /* dummy read */
 
        /* privide clocks */
        tmp = readl(SC_CLKCTRL);
-       tmp |= SC_CLKCTRL_CEN_ETHER | SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_UMC
-            | SC_CLKCTRL_CEN_NAND | SC_CLKCTRL_CEN_SBC | SC_CLKCTRL_CEN_PERI;
+#ifdef CONFIG_UNIPHIER_ETH
+       tmp |= SC_CLKCTRL_CEN_ETHER;
+#endif
+#ifdef CONFIG_USB_EHCI_UNIPHIER
+       tmp |= SC_CLKCTRL_CEN_MIO;
+#endif
+#ifdef CONFIG_NAND_DENALI
+       tmp |= SC_CLKCTRL_CEN_NAND;
+#endif
        writel(tmp, SC_CLKCTRL);
        readl(SC_CLKCTRL); /* dummy read */
 }

diff --git a/arch/arm/mach-uniphier/ph1-pro4/early_clkrst_init.c b/arch/arm/mach-uniphier/ph1-pro4/early_clkrst_init.c
new file mode 100644 (file)
index 0000000..ae4185f
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-pro4/early_clkrst_init.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2011-2015 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <mach/sc-regs.h>
+
+void early_clkrst_init(void)
+{
+       u32 tmp;
+
+       /* deassert reset */
+       tmp = readl(SC_RSTCTRL);
+       tmp |= SC_RSTCTRL_NRST_UMC1 | SC_RSTCTRL_NRST_UMC0;
+       writel(tmp, SC_RSTCTRL);
+       readl(SC_RSTCTRL); /* dummy read */
+
+       /* privide clocks */
+       tmp = readl(SC_CLKCTRL);
+       tmp |= SC_CLKCTRL_CEN_UMC | SC_CLKCTRL_CEN_SBC | SC_CLKCTRL_CEN_PERI;
+       writel(tmp, SC_CLKCTRL);
+       readl(SC_CLKCTRL); /* dummy read */
+}

diff --git a/arch/arm/mach-uniphier/ph1-sld8/Makefile b/arch/arm/mach-uniphier/ph1-sld8/Makefile
index 72f46636fd5d60aa39f689c9f3f2c3a5807b1147..927640afd4dabb3ffcb03c16b9e33d61902d82ef 100644 (file)
--- a/arch/arm/mach-uniphier/ph1-sld8/Makefile
+++ b/arch/arm/mach-uniphier/ph1-sld8/Makefile
@@ -4,10 +4,10 @@
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
-obj-y += bcu_init.o sbc_init.o sg_init.o pll_init.o clkrst_init.o \
+obj-y += bcu_init.o sbc_init.o sg_init.o pll_init.o early_clkrst_init.o \
        pll_spectrum.o umc_init.o ddrphy_init.o
 else
-obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o
+obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o clkrst_init.o
 obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
 endif
 

diff --git a/arch/arm/mach-uniphier/ph1-sld8/clkrst_init.c b/arch/arm/mach-uniphier/ph1-sld8/clkrst_init.c
index eaa45f94d349c257e9724302167612ececf21529..8d3435d63210f1135eeaa91075b54bdc5326364d 100644 (file)
--- a/arch/arm/mach-uniphier/ph1-sld8/clkrst_init.c
+++ b/arch/arm/mach-uniphier/ph1-sld8/clkrst_init.c
@@ -1,29 +1 @@
-/*
- * Copyright (C) 2011-2014 Panasonic Corporation
- *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <mach/sc-regs.h>
-
-void clkrst_init(void)
-{
-       u32 tmp;
-
-       /* deassert reset */
-       tmp = readl(SC_RSTCTRL);
-       tmp |= SC_RSTCTRL_NRST_ETHER | SC_RSTCTRL_NRST_UMC1
-               | SC_RSTCTRL_NRST_UMC0 | SC_RSTCTRL_NRST_NAND;
-       writel(tmp, SC_RSTCTRL);
-       readl(SC_RSTCTRL); /* dummy read */
-
-       /* privide clocks */
-       tmp = readl(SC_CLKCTRL);
-       tmp |= SC_CLKCTRL_CEN_ETHER | SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_UMC
-            | SC_CLKCTRL_CEN_NAND | SC_CLKCTRL_CEN_SBC | SC_CLKCTRL_CEN_PERI;
-       writel(tmp, SC_CLKCTRL);
-       readl(SC_CLKCTRL); /* dummy read */
-}
+#include "../ph1-ld4/clkrst_init.c"

diff --git a/arch/arm/mach-uniphier/ph1-sld8/early_clkrst_init.c b/arch/arm/mach-uniphier/ph1-sld8/early_clkrst_init.c
new file mode 100644 (file)
index 0000000..dd236b7
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld8/early_clkrst_init.c
@@ -0,0 +1 @@
+#include "../ph1-ld4/early_clkrst_init.c"

diff --git a/arch/arm/mach-uniphier/spl.c b/arch/arm/mach-uniphier/spl.c
index 5cdf69a51730dc9e028c7d0beca0712586bbe2bf..c8a2469f6a9d2bbb73bdbe0cd46b14de95ac4e37 100644 (file)
--- a/arch/arm/mach-uniphier/spl.c
+++ b/arch/arm/mach-uniphier/spl.c
@@ -18,7 +18,7 @@ void sbc_init(void);
 void sg_init(void);
 void pll_init(void);
 void pin_init(void);
-void clkrst_init(void);
+void early_clkrst_init(void);
 int umc_init(void);
 void enable_dpll_ssc(void);
 
@@ -38,7 +38,7 @@ void spl_board_init(void)
 
        led_write(L, 0, , );
 
-       clkrst_init();
+       early_clkrst_init();
 
        led_write(L, 1, , );