ARM: UniPhier: add UniPhier SoC support code

These are used by Panasonic UniPhier SoC family.

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

1 files changed, 182 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-uniphier/sg-regs.h b/arch/arm/include/asm/arch-uniphier/sg-regs.h
new file mode 100644
index 0000000000..79d7ec7148
--- /dev/null
+++ b/arch/arm/include/asm/arch-uniphier/sg-regs.h
@@ -0,0 +1,182 @@
+/*
+ * UniPhier SG (SoC Glue) block registers
+ *
+ * Copyright (C) 2011-2014 Panasonic Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef ARCH_SG_REGS_H
+#define ARCH_SG_REGS_H
+
+/* Base Address */
+#define SG_CTRL_BASE			0x5f800000
+#define SG_DBG_BASE			0x5f900000
+
+/* Revision */
+#define SG_REVISION			(SG_CTRL_BASE | 0x0000)
+#define SG_REVISION_TYPE_SHIFT		16
+#define SG_REVISION_TYPE_MASK		(0xff << SG_REVISION_TYPE_SHIFT)
+#define SG_REVISION_MODEL_SHIFT		8
+#define SG_REVISION_MODEL_MASK		(0x3 << SG_REVISION_MODEL_SHIFT)
+#define SG_REVISION_REV_SHIFT		0
+#define SG_REVISION_REV_MASK		(0x1f << SG_REVISION_REV_SHIFT)
+
+/* Memory Configuration */
+#define SG_MEMCONF			(SG_CTRL_BASE | 0x0400)
+
+#define SG_MEMCONF_CH0_SIZE_64MB	((0x0 << 10) | (0x01 << 0))
+#define SG_MEMCONF_CH0_SIZE_128MB	((0x0 << 10) | (0x02 << 0))
+#define SG_MEMCONF_CH0_SIZE_256MB	((0x0 << 10) | (0x03 << 0))
+#define SG_MEMCONF_CH0_SIZE_512MB	((0x1 << 10) | (0x00 << 0))
+#define SG_MEMCONF_CH0_SIZE_1024MB	((0x1 << 10) | (0x01 << 0))
+#define SG_MEMCONF_CH0_NUM_1		(0x1 << 8)
+#define SG_MEMCONF_CH0_NUM_2		(0x0 << 8)
+
+#define SG_MEMCONF_CH1_SIZE_64MB	((0x0 << 11) | (0x01 << 2))
+#define SG_MEMCONF_CH1_SIZE_128MB	((0x0 << 11) | (0x02 << 2))
+#define SG_MEMCONF_CH1_SIZE_256MB	((0x0 << 11) | (0x03 << 2))
+#define SG_MEMCONF_CH1_SIZE_512MB	((0x1 << 11) | (0x00 << 2))
+#define SG_MEMCONF_CH1_SIZE_1024MB	((0x1 << 11) | (0x01 << 2))
+#define SG_MEMCONF_CH1_NUM_1		(0x1 << 9)
+#define SG_MEMCONF_CH1_NUM_2		(0x0 << 9)
+
+#define SG_MEMCONF_SPARSEMEM		(0x1 << 4)
+
+/* Pin Control */
+#define SG_PINCTRL_BASE			(SG_CTRL_BASE | 0x1000)
+
+#if defined(CONFIG_MACH_PH1_PRO4)
+# define SG_PINCTRL(n)			(SG_PINCTRL_BASE + (n) * 8)
+#elif defined(CONFIG_MACH_PH1_LD4) || defined(CONFIG_MACH_PH1_SLD8)
+# define SG_PINCTRL(n)			(SG_PINCTRL_BASE + (n) * 4)
+#endif
+
+#if defined(CONFIG_MACH_PH1_PRO4)
+#define SG_PINSELBITS			4
+#elif defined(CONFIG_MACH_PH1_LD4) || defined(CONFIG_MACH_PH1_SLD8)
+#define SG_PINSELBITS			8
+#endif
+
+#define SG_PINSEL_ADDR(n)		(SG_PINCTRL((n) * (SG_PINSELBITS) / 32))
+#define SG_PINSEL_MASK(n)		(~(((1 << (SG_PINSELBITS)) - 1) << \
+						((n) * (SG_PINSELBITS) % 32)))
+#define SG_PINSEL_MODE(n, mode)		((mode) << ((n) * (SG_PINSELBITS) % 32))
+
+/* Only for PH1-Pro4 */
+#define SG_LOADPINCTRL			(SG_CTRL_BASE | 0x1700)
+
+/* Input Enable */
+#define SG_IECTRL			(SG_CTRL_BASE | 0x1d00)
+
+/* Pin Monitor */
+#define SG_PINMON0			(SG_DBG_BASE | 0x0100)
+
+#define SG_PINMON0_CLK_MODE_UPLLSRC_MASK	(0x3 << 19)
+#define SG_PINMON0_CLK_MODE_UPLLSRC_DEFAULT	(0x0 << 19)
+#define SG_PINMON0_CLK_MODE_UPLLSRC_VPLL27A	(0x2 << 19)
+#define SG_PINMON0_CLK_MODE_UPLLSRC_VPLL27B	(0x3 << 19)
+
+#define SG_PINMON0_CLK_MODE_AXOSEL_MASK		(0x3 << 16)
+#define SG_PINMON0_CLK_MODE_AXOSEL_24576KHZ	(0x0 << 16)
+#define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ	(0x1 << 16)
+#define SG_PINMON0_CLK_MODE_AXOSEL_6144KHZ	(0x2 << 16)
+#define SG_PINMON0_CLK_MODE_AXOSEL_6250KHZ	(0x3 << 16)
+
+#define SG_PINMON0_CLK_MODE_AXOSEL_DEFAULT	(0x0 << 16)
+#define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_U	(0x1 << 16)
+#define SG_PINMON0_CLK_MODE_AXOSEL_20480KHZ	(0x2 << 16)
+#define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_A	(0x3 << 16)
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#include <asm/io.h>
+
+static inline void sg_set_pinsel(int n, int value)
+{
+	writel((readl(SG_PINSEL_ADDR(n)) & SG_PINSEL_MASK(n))
+	       | SG_PINSEL_MODE(n, value), SG_PINSEL_ADDR(n));
+}
+
+static inline u32 sg_memconf_val_ch0(unsigned long size, int num)
+{
+	int size_mb = (size >> 20) / num;
+	u32 ret;
+
+	switch (size_mb) {
+	case 64:
+		ret = SG_MEMCONF_CH0_SIZE_64MB;
+		break;
+	case 128:
+		ret = SG_MEMCONF_CH0_SIZE_128MB;
+		break;
+	case 256:
+		ret = SG_MEMCONF_CH0_SIZE_256MB;
+		break;
+	case 512:
+		ret = SG_MEMCONF_CH0_SIZE_512MB;
+		break;
+	case 1024:
+		ret = SG_MEMCONF_CH0_SIZE_1024MB;
+		break;
+	default:
+		BUG();
+		break;
+	}
+
+	switch (num) {
+	case 1:
+		ret |= SG_MEMCONF_CH0_NUM_1;
+		break;
+	case 2:
+		ret |= SG_MEMCONF_CH0_NUM_2;
+		break;
+	default:
+		BUG();
+		break;
+	}
+	return ret;
+}
+
+static inline u32 sg_memconf_val_ch1(unsigned long size, int num)
+{
+	int size_mb = (size >> 20) / num;
+	u32 ret;
+
+	switch (size_mb) {
+	case 64:
+		ret = SG_MEMCONF_CH1_SIZE_64MB;
+		break;
+	case 128:
+		ret = SG_MEMCONF_CH1_SIZE_128MB;
+		break;
+	case 256:
+		ret = SG_MEMCONF_CH1_SIZE_256MB;
+		break;
+	case 512:
+		ret = SG_MEMCONF_CH1_SIZE_512MB;
+		break;
+	case 1024:
+		ret = SG_MEMCONF_CH1_SIZE_1024MB;
+		break;
+	default:
+		BUG();
+		break;
+	}
+
+	switch (num) {
+	case 1:
+		ret |= SG_MEMCONF_CH1_NUM_1;
+		break;
+	case 2:
+		ret |= SG_MEMCONF_CH1_NUM_2;
+		break;
+	default:
+		BUG();
+		break;
+	}
+	return ret;
+}
+#endif /* __ASSEMBLY__ */
+
+#endif /* ARCH_SG_REGS_H */