The driver for Linux is out of control of Socionext, so set up reset / clock in here.
Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---
arch/arm/mach-uniphier/clk/clk-ld20.c | 12 ++++++++++++ arch/arm/mach-uniphier/clk/clk-pxs3.c | 12 ++++++++++++ 2 files changed, 24 insertions(+)
diff --git a/arch/arm/mach-uniphier/clk/clk-ld20.c b/arch/arm/mach-uniphier/clk/clk-ld20.c index 5bb560c..f79fb38 100644 --- a/arch/arm/mach-uniphier/clk/clk-ld20.c +++ b/arch/arm/mach-uniphier/clk/clk-ld20.c @@ -4,14 +4,26 @@ * SPDX-License-Identifier: GPL-2.0+ */
+#include <linux/bitops.h> #include <linux/io.h>
#include "../init.h" +#include "../sc64-regs.h"
#define SDCTRL_EMMC_HW_RESET 0x59810280
void uniphier_ld20_clk_init(void) { + u32 tmp; + + tmp = readl(SC_RSTCTRL6); + tmp |= BIT(8); /* Mali */ + writel(tmp, SC_RSTCTRL6); + + tmp = readl(SC_CLKCTRL6); + tmp |= BIT(8); /* Mali */ + writel(tmp, SC_CLKCTRL6); + /* TODO: use "mmc-pwrseq-emmc" */ writel(1, SDCTRL_EMMC_HW_RESET); } diff --git a/arch/arm/mach-uniphier/clk/clk-pxs3.c b/arch/arm/mach-uniphier/clk/clk-pxs3.c index 2dee857..3b9cc62 100644 --- a/arch/arm/mach-uniphier/clk/clk-pxs3.c +++ b/arch/arm/mach-uniphier/clk/clk-pxs3.c @@ -4,14 +4,26 @@ * SPDX-License-Identifier: GPL-2.0+ */
+#include <linux/bitops.h> #include <linux/io.h>
#include "../init.h" +#include "../sc64-regs.h"
#define SDCTRL_EMMC_HW_RESET 0x59810280
void uniphier_pxs3_clk_init(void) { + u32 tmp; + + tmp = readl(SC_RSTCTRL6); + tmp |= BIT(8); /* Mali */ + writel(tmp, SC_RSTCTRL6); + + tmp = readl(SC_CLKCTRL6); + tmp |= BIT(8); /* Mali */ + writel(tmp, SC_CLKCTRL6); + /* TODO: use "mmc-pwrseq-emmc" */ writel(1, SDCTRL_EMMC_HW_RESET); }