Tegra30: Add arch-tegra30 include files

Common Tegra files are in arch-tegra, shared between T20 and T30.
Tegra30-specific headers are in arch-tegra30. Note that some of
these will be filled in as more T30 support is added (drivers,
WB/LP0 support, etc.). A couple of Tegra20 files were changed
to support common headers in arch-tegra, also.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>

5 files changed, 231 insertions, 15 deletions

diff --git a/arch/arm/include/asm/arch-tegra/clk_rst.h b/arch/arm/include/asm/arch-tegra/clk_rst.h
index 7b548c2..6a6e507 100644
--- a/arch/arm/include/asm/arch-tegra/clk_rst.h
+++ b/arch/arm/include/asm/arch-tegra/clk_rst.h
@@ -21,8 +21,8 @@
  * MA 02111-1307 USA
  */
 
-#ifndef _CLK_RST_H_
-#define _CLK_RST_H_
+#ifndef _TEGRA_CLK_RST_H_
+#define _TEGRA_CLK_RST_H_
 
 /* PLL registers - there are several PLLs in the clock controller */
 struct clk_pll {
@@ -37,6 +37,12 @@ struct clk_pll_simple {
 	uint pll_misc;		/* other misc things */
 };
 
+/* RST_DEV_(L,H,U,V,W)_(SET,CLR) and CLK_ENB_(L,H,U,V,W)_(SET,CLR) */
+struct clk_set_clr {
+	uint set;
+	uint clr;
+};
+
 /*
  * Most PLLs use the clk_pll structure, but some have a simpler two-member
  * structure for which we use clk_pll_simple. The reason for this non-
@@ -45,8 +51,10 @@ struct clk_pll_simple {
 enum {
 	TEGRA_CLK_PLLS		= 6,	/* Number of normal PLLs */
 	TEGRA_CLK_SIMPLE_PLLS	= 3,	/* Number of simple PLLs */
-	TEGRA_CLK_REGS		= 3,	/* Number of clock enable registers */
-	TEGRA_CLK_SOURCES	= 64,	/* Number of peripheral clock sources */
+	TEGRA_CLK_REGS		= 3,	/* Number of clock enable regs L/H/U */
+	TEGRA_CLK_SOURCES	= 64,	/* Number of ppl clock sources L/H/U */
+	TEGRA_CLK_REGS_VW	= 2,	/* Number of clock enable regs V/W */
+	TEGRA_CLK_SOURCES_VW	= 32,	/* Number of ppl clock sources V/W*/
 };
 
 /* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */
@@ -82,14 +90,53 @@ struct clk_rst_ctlr {
 	uint crc_reserved11;		/* _reserved_11,	0xFC */
 
 	uint crc_clk_src[TEGRA_CLK_SOURCES]; /*_I2S1_0...	0x100-1fc */
-	uint crc_reserved20[80];	/*			0x200-33C */
-	uint crc_cpu_cmplx_set;		/* _CPU_CMPLX_SET_0,	0x340	  */
-	uint crc_cpu_cmplx_clr;		/* _CPU_CMPLX_CLR_0,	0x344     */
+
+	uint crc_reserved20[64];	/* _reserved_20,	0x200-2fc */
+
+	/* _RST_DEV_L/H/U_SET_0 0x300 ~ 0x314 */
+	struct clk_set_clr crc_rst_dev_ex[TEGRA_CLK_REGS];
+
+	uint crc_reserved30[2];		/* _reserved_30,	0x318, 0x31c */
+
+	/* _CLK_ENB_L/H/U_CLR_0 0x320 ~ 0x334 */
+	struct clk_set_clr crc_clk_enb_ex[TEGRA_CLK_REGS];
+
+	uint crc_reserved31[2];		/* _reserved_31,	0x338, 0x33c */
+
+	uint crc_cpu_cmplx_set;		/* _RST_CPU_CMPLX_SET_0,    0x340 */
+	uint crc_cpu_cmplx_clr;		/* _RST_CPU_CMPLX_CLR_0,    0x344 */
+
+	/* Additional (T30) registers */
+	uint crc_clk_cpu_cmplx_set;	/* _CLK_CPU_CMPLX_SET_0,    0x348 */
+	uint crc_clk_cpu_cmplx_clr;	/* _CLK_CPU_CMPLX_SET_0,    0x34c */
+
+	uint crc_reserved32[2];		/* _reserved_32,      0x350,0x354 */
+
+	uint crc_rst_dev_vw[TEGRA_CLK_REGS_VW]; /* _RST_DEVICES_V/W_0 */
+	uint crc_clk_out_enb_vw[TEGRA_CLK_REGS_VW]; /* _CLK_OUT_ENB_V/W_0 */
+	uint crc_cclkg_brst_pol;	/* _CCLKG_BURST_POLICY_0,   0x368 */
+	uint crc_super_cclkg_div;	/* _SUPER_CCLKG_DIVIDER_0,  0x36C */
+	uint crc_cclklp_brst_pol;	/* _CCLKLP_BURST_POLICY_0,  0x370 */
+	uint crc_super_cclkp_div;	/* _SUPER_CCLKLP_DIVIDER_0, 0x374 */
+	uint crc_clk_cpug_cmplx;	/* _CLK_CPUG_CMPLX_0,       0x378 */
+	uint crc_clk_cpulp_cmplx;	/* _CLK_CPULP_CMPLX_0,      0x37C */
+	uint crc_cpu_softrst_ctrl;	/* _CPU_SOFTRST_CTRL_0,     0x380 */
+	uint crc_reserved33[11];	/* _reserved_33,        0x384-3ac */
+	uint crc_clk_src_vw[TEGRA_CLK_SOURCES_VW]; /* _G3D2_0..., 0x3b0-0x42c */
+	/* _RST_DEV_V/W_SET_0 0x430 ~ 0x43c */
+	struct clk_set_clr crc_rst_dev_ex_vw[TEGRA_CLK_REGS_VW];
+	/* _CLK_ENB_V/W_CLR_0 0x440 ~ 0x44c */
+	struct clk_set_clr crc_clk_enb_ex_vw[TEGRA_CLK_REGS_VW];
+	uint crc_reserved40[12];	/* _reserved_40,	0x450-47C */
+	uint crc_pll_cfg0;		/* _PLL_CFG0_0,		0x480 */
+	uint crc_pll_cfg1;		/* _PLL_CFG1_0,		0x484 */
+	uint crc_pll_cfg2;		/* _PLL_CFG2_0,		0x488 */
 };
 
 /* CLK_RST_CONTROLLER_CLK_CPU_CMPLX_0 */
+#define CPU3_CLK_STP_SHIFT	11
+#define CPU2_CLK_STP_SHIFT	10
 #define CPU1_CLK_STP_SHIFT	9
-
 #define CPU0_CLK_STP_SHIFT	8
 #define CPU0_CLK_STP_MASK	(1U << CPU0_CLK_STP_SHIFT)
 
@@ -120,6 +167,12 @@ struct clk_rst_ctlr {
 #define PLL_OUT_RATIO_MASK	(0xffU << PLL_OUT_RATIO_SHIFT)
 
 /* CLK_RST_CONTROLLER_PLLx_MISC_0 */
+#define PLL_DCCON_SHIFT		20
+#define PLL_DCCON_MASK		(1U << PLL_DCCON_SHIFT)
+
+#define PLL_LOCK_ENABLE_SHIFT	18
+#define PLL_LOCK_ENABLE_MASK	(1U << PLL_LOCK_ENABLE_SHIFT)
+
 #define PLL_CPCON_SHIFT		8
 #define PLL_CPCON_MASK		(15U << PLL_CPCON_SHIFT)
 
@@ -129,6 +182,22 @@ struct clk_rst_ctlr {
 #define PLLU_VCO_FREQ_SHIFT	20
 #define PLLU_VCO_FREQ_MASK	(1U << PLLU_VCO_FREQ_SHIFT)
 
+#define PLLP_OUT1_OVR		(1 << 2)
+#define PLLP_OUT2_OVR		(1 << 18)
+#define PLLP_OUT3_OVR		(1 << 2)
+#define PLLP_OUT4_OVR		(1 << 18)
+#define PLLP_OUT1_RATIO		8
+#define PLLP_OUT2_RATIO		24
+#define PLLP_OUT3_RATIO		8
+#define PLLP_OUT4_RATIO		24
+
+enum {
+	IN_408_OUT_204_DIVISOR = 2,
+	IN_408_OUT_102_DIVISOR = 6,
+	IN_408_OUT_48_DIVISOR = 15,
+	IN_408_OUT_9_6_DIVISOR = 83,
+};
+
 /* CLK_RST_CONTROLLER_OSC_CTRL_0 */
 #define OSC_FREQ_SHIFT		30
 #define OSC_FREQ_MASK		(3U << OSC_FREQ_SHIFT)
@@ -151,4 +220,65 @@ struct clk_rst_ctlr {
 #define OUT_CLK_SOURCE4_SHIFT	28
 #define OUT_CLK_SOURCE4_MASK	(15U << OUT_CLK_SOURCE4_SHIFT)
 
-#endif	/* CLK_RST_H */
+/* CLK_RST_CONTROLLER_SCLK_BURST_POLICY */
+#define SCLK_SYS_STATE_SHIFT    28U
+#define SCLK_SYS_STATE_MASK     (15U << SCLK_SYS_STATE_SHIFT)
+enum {
+	SCLK_SYS_STATE_STDBY,
+	SCLK_SYS_STATE_IDLE,
+	SCLK_SYS_STATE_RUN,
+	SCLK_SYS_STATE_IRQ = 4U,
+	SCLK_SYS_STATE_FIQ = 8U,
+};
+#define SCLK_COP_FIQ_MASK       (1 << 27)
+#define SCLK_CPU_FIQ_MASK       (1 << 26)
+#define SCLK_COP_IRQ_MASK       (1 << 25)
+#define SCLK_CPU_IRQ_MASK       (1 << 24)
+
+#define SCLK_SWAKEUP_FIQ_SOURCE_SHIFT		12
+#define SCLK_SWAKEUP_FIQ_SOURCE_MASK		\
+		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
+#define SCLK_SWAKEUP_IRQ_SOURCE_SHIFT		8
+#define SCLK_SWAKEUP_IRQ_SOURCE_MASK		\
+		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
+#define SCLK_SWAKEUP_RUN_SOURCE_SHIFT		4
+#define SCLK_SWAKEUP_RUN_SOURCE_MASK		\
+		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
+#define SCLK_SWAKEUP_IDLE_SOURCE_SHIFT		0
+
+#define SCLK_SWAKEUP_IDLE_SOURCE_MASK		\
+		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
+enum {
+	SCLK_SOURCE_CLKM,
+	SCLK_SOURCE_PLLC_OUT1,
+	SCLK_SOURCE_PLLP_OUT4,
+	SCLK_SOURCE_PLLP_OUT3,
+	SCLK_SOURCE_PLLP_OUT2,
+	SCLK_SOURCE_CLKD,
+	SCLK_SOURCE_CLKS,
+	SCLK_SOURCE_PLLM_OUT1,
+};
+#define SCLK_SWAKE_FIQ_SRC_PLLM_OUT1    (7 << 12)
+#define SCLK_SWAKE_IRQ_SRC_PLLM_OUT1    (7 << 8)
+#define SCLK_SWAKE_RUN_SRC_PLLM_OUT1    (7 << 4)
+#define SCLK_SWAKE_IDLE_SRC_PLLM_OUT1   (7 << 0)
+
+/* CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER */
+#define SUPER_SCLK_ENB_SHIFT		31U
+#define SUPER_SCLK_ENB_MASK		(1U << 31)
+#define SUPER_SCLK_DIVIDEND_SHIFT	8
+#define SUPER_SCLK_DIVIDEND_MASK	(0xff << SUPER_SCLK_DIVIDEND_SHIFT)
+#define SUPER_SCLK_DIVISOR_SHIFT	0
+#define SUPER_SCLK_DIVISOR_MASK		(0xff << SUPER_SCLK_DIVISOR_SHIFT)
+
+/* CLK_RST_CONTROLLER_CLK_SYSTEM_RATE */
+#define CLK_SYS_RATE_HCLK_DISABLE_SHIFT 7
+#define CLK_SYS_RATE_HCLK_DISABLE_MASK  (1 << CLK_SYS_RATE_HCLK_DISABLE_SHIFT)
+#define CLK_SYS_RATE_AHB_RATE_SHIFT     4
+#define CLK_SYS_RATE_AHB_RATE_MASK      (3 << CLK_SYS_RATE_AHB_RATE_SHIFT)
+#define CLK_SYS_RATE_PCLK_DISABLE_SHIFT 3
+#define CLK_SYS_RATE_PCLK_DISABLE_MASK  (1 << CLK_SYS_RATE_PCLK_DISABLE_SHIFT)
+#define CLK_SYS_RATE_APB_RATE_SHIFT     0
+#define CLK_SYS_RATE_APB_RATE_MASK      (3 << CLK_SYS_RATE_AHB_RATE_SHIFT)
+
+#endif	/* _TEGRA_CLK_RST_H_ */
diff --git a/arch/arm/include/asm/arch-tegra/clock.h b/arch/arm/include/asm/arch-tegra/clock.h
index eac1dc2..01f86ab 100644
--- a/arch/arm/include/asm/arch-tegra/clock.h
+++ b/arch/arm/include/asm/arch-tegra/clock.h
@@ -21,8 +21,8 @@
 
 /* Tegra clock control functions */
 
-#ifndef _CLOCK_H
-#define _CLOCK_H
+#ifndef _TEGRA_CLOCK_H_
+#define _TEGRA_CLOCK_H_
 
 /* Set of oscillator frequencies supported in the internal API. */
 enum clock_osc_freq {
@@ -136,7 +136,7 @@ enum crc_reset_id {
 /**
  * Put parts of the CPU complex into or out of reset.\
  *
- * @param cpu		cpu number (0 or 1 on Tegra2)
+ * @param cpu		cpu number (0 or 1 on Tegra2, 0-3 on Tegra3)
  * @param which		which parts of the complex to affect (OR of crc_reset_id)
  * @param reset		1 to assert reset, 0 to de-assert
  */
@@ -262,4 +262,4 @@ void clock_init(void);
 /* Initialize the PLLs */
 void clock_early_init(void);
 
-#endif	/* _CLOCK_H_ */
+#endif	/* _TEGRA_CLOCK_H_ */
diff --git a/arch/arm/include/asm/arch-tegra/funcmux.h b/arch/arm/include/asm/arch-tegra/funcmux.h
new file mode 100644
index 0000000..f101e5e
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra/funcmux.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2010-2012, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra high-level function multiplexing */
+
+#ifndef _TEGRA_FUNCMUX_H_
+#define _TEGRA_FUNCMUX_H_
+
+/**
+ * Select a config for a particular peripheral.
+ *
+ * Each peripheral can operate through a number of configurations,
+ * which are sets of pins that it uses to bring out its signals.
+ * The basic config is 0, and higher numbers indicate different
+ * pinmux settings to bring the peripheral out on other pins,
+ *
+ * This function also disables tristate for the function's pins,
+ * so that they operate in normal mode.
+ *
+ * @param id		Peripheral id
+ * @param config	Configuration to use (FUNCMUX_...), 0 for default
+ * @return 0 if ok, -1 on error (e.g. incorrect id or config)
+ */
+int funcmux_select(enum periph_id id, int config);
+
+#endif	/* _TEGRA_FUNCMUX_H_ */
diff --git a/arch/arm/include/asm/arch-tegra/gp_padctrl.h b/arch/arm/include/asm/arch-tegra/gp_padctrl.h
new file mode 100644
index 0000000..e6085a0
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra/gp_padctrl.h
@@ -0,0 +1,39 @@
+/*
+ *  (C) Copyright 2010-2012
+ *  NVIDIA Corporation <www.nvidia.com>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _TEGRA_GP_PADCTRL_H_
+#define _TEGRA_GP_PADCTRL_H_
+
+#define GP_HIDREV			0x804
+
+/* bit fields definitions for APB_MISC_GP_HIDREV register */
+#define HIDREV_CHIPID_SHIFT		8
+#define HIDREV_CHIPID_MASK		(0xff << HIDREV_CHIPID_SHIFT)
+#define HIDREV_MAJORPREV_SHIFT		4
+#define HIDREV_MAJORPREV_MASK		(0xf << HIDREV_MAJORPREV_SHIFT)
+
+/* CHIPID field returned from APB_MISC_GP_HIDREV register */
+#define CHIPID_TEGRA20			0x20
+#define CHIPID_TEGRA30			0x30
+
+#endif	/* _TEGRA_GP_PADCTRL_H_ */
diff --git a/arch/arm/include/asm/arch-tegra/tegra.h b/arch/arm/include/asm/arch-tegra/tegra.h
index 6d2e62f..953936c 100644
--- a/arch/arm/include/asm/arch-tegra/tegra.h
+++ b/arch/arm/include/asm/arch-tegra/tegra.h
@@ -72,14 +72,22 @@ enum {
 	SKU_ID_T25		= 0x18,
 	SKU_ID_AP25E		= 0x1b,
 	SKU_ID_T25E		= 0x1c,
+	SKU_ID_T30		= 0x81, /* Cardhu value */
 };
 
-/* These are the SOC categories that affect clocking */
+/*
+ * These are used to distinguish SOC types for setting up clocks. Mostly
+ * we can tell the clocking required by looking at the SOC sku_id, but
+ * for T30 it is a user option as to whether to run PLLP in fast or slow
+ * mode, so we have two options there.
+ */
 enum {
 	TEGRA_SOC_T20,
 	TEGRA_SOC_T25,
+	TEGRA_SOC_T30,
+	TEGRA_SOC2_SLOW,	/* T2x needs to run at slow clock initially */
 
-	TEGRA_SOC_COUNT,
+	TEGRA_SOC_CNT,
 	TEGRA_SOC_UNKNOWN	= -1,
 };