Add TI DA8xx support: DA8xx includes

Provides initial support for TI OMAP-L1x/DA8xx SoC devices.
See http://www.ti.com

The DA8xx devices are similar to DaVinci devices but have a differing
memory map and updated peripheral versions.

Signed-off-by: Nick Thompson <nick.thompson@gefanuc.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

2 files changed, 242 insertions, 0 deletions

diff --git a/include/asm-arm/arch-davinci/hardware.h b/include/asm-arm/arch-davinci/hardware.h
index acf12ea7a29..81cc8ab1571 100644
--- a/include/asm-arm/arch-davinci/hardware.h
+++ b/include/asm-arm/arch-davinci/hardware.h
@@ -49,6 +49,8 @@ typedef volatile unsigned int *	dv_reg_p;
  * on other DaVinci chips.  Double check them before you try
  * using the addresses ... or PSC module identifiers, etc.
  */
+#ifndef CONFIG_SOC_DA8XX
+
 #define DAVINCI_DMA_3PCC_BASE			(0x01c00000)
 #define DAVINCI_DMA_3PTC0_BASE			(0x01c10000)
 #define DAVINCI_DMA_3PTC1_BASE			(0x01c10400)
@@ -116,10 +118,46 @@ typedef volatile unsigned int *	dv_reg_p;
 
 #endif
 
+#else /* CONFIG_SOC_DA8XX */
+
+#define DAVINCI_UART0_BASE			0x01c42000
+#define DAVINCI_UART1_BASE			0x01d0c000
+#define DAVINCI_UART2_BASE			0x01d0d000
+#define DAVINCI_I2C0_BASE			0x01c22000
+#define DAVINCI_I2C1_BASE			0x01e28000
+#define DAVINCI_TIMER0_BASE			0x01c20000
+#define DAVINCI_TIMER1_BASE			0x01c21000
+#define DAVINCI_WDOG_BASE			0x01c21000
+#define DAVINCI_PLL_CNTRL0_BASE			0x01c11000
+#define DAVINCI_PSC0_BASE			0x01c10000
+#define DAVINCI_PSC1_BASE			0x01e27000
+#define DAVINCI_SPI0_BASE			0x01c41000
+#define DAVINCI_USB_OTG_BASE			0x01e00000
+#define DAVINCI_SPI1_BASE			0x01e12000
+#define DAVINCI_GPIO_BASE			0x01e26000
+#define DAVINCI_EMAC_CNTRL_REGS_BASE		0x01e23000
+#define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE	0x01e22000
+#define DAVINCI_EMAC_WRAPPER_RAM_BASE		0x01e20000
+#define DAVINCI_MDIO_CNTRL_REGS_BASE		0x01e24000
+#define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x68000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE	0x40000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE	0x60000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE	0x62000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE4_BASE	0x64000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE5_BASE	0x66000000
+#define DAVINCI_DDR_EMIF_CTRL_BASE		0xb0000000
+#define DAVINCI_DDR_EMIF_DATA_BASE		0xc0000000
+#define DAVINCI_INTC_BASE			0xfffee000
+#define DAVINCI_BOOTCFG_BASE			0x01c14000
+
+#endif /* CONFIG_SOC_DA8XX */
+
 /* Power and Sleep Controller (PSC) Domains */
 #define DAVINCI_GPSC_ARMDOMAIN		0
 #define DAVINCI_GPSC_DSPDOMAIN		1
 
+#ifndef CONFIG_SOC_DA8XX
+
 #define DAVINCI_LPSC_VPSSMSTR		0
 #define DAVINCI_LPSC_VPSSSLV		1
 #define DAVINCI_LPSC_TPCC		2
@@ -166,6 +204,52 @@ typedef volatile unsigned int *	dv_reg_p;
 #define DAVINCI_DM646X_LPSC_UART0	26
 #define DAVINCI_DM646X_LPSC_I2C		31
 
+#else /* CONFIG_SOC_DA8XX */
+
+enum davinci_lpsc_ids {
+	DAVINCI_LPSC_TPCC = 0,
+	DAVINCI_LPSC_TPTC0,
+	DAVINCI_LPSC_TPTC1,
+	DAVINCI_LPSC_AEMIF,
+	DAVINCI_LPSC_SPI0,
+	DAVINCI_LPSC_MMC_SD,
+	DAVINCI_LPSC_AINTC,
+	DAVINCI_LPSC_ARM_RAM_ROM,
+	DAVINCI_LPSC_SECCTL_KEYMGR,
+	DAVINCI_LPSC_UART0,
+	DAVINCI_LPSC_SCR0,
+	DAVINCI_LPSC_SCR1,
+	DAVINCI_LPSC_SCR2,
+	DAVINCI_LPSC_DMAX,
+	DAVINCI_LPSC_ARM,
+	DAVINCI_LPSC_GEM,
+	/* for LPSCs in PSC1, offset from 32 for differentiation */
+	DAVINCI_LPSC_PSC1_BASE = 32,
+	DAVINCI_LPSC_USB11,
+	DAVINCI_LPSC_USB20,
+	DAVINCI_LPSC_GPIO,
+	DAVINCI_LPSC_UHPI,
+	DAVINCI_LPSC_EMAC,
+	DAVINCI_LPSC_DDR_EMIF,
+	DAVINCI_LPSC_McASP0,
+	DAVINCI_LPSC_McASP1,
+	DAVINCI_LPSC_McASP2,
+	DAVINCI_LPSC_SPI1,
+	DAVINCI_LPSC_I2C1,
+	DAVINCI_LPSC_UART1,
+	DAVINCI_LPSC_UART2,
+	DAVINCI_LPSC_LCDC,
+	DAVINCI_LPSC_ePWM,
+	DAVINCI_LPSC_eCAP,
+	DAVINCI_LPSC_eQEP,
+	DAVINCI_LPSC_SCR_P0,
+	DAVINCI_LPSC_SCR_P1,
+	DAVINCI_LPSC_CR_P3,
+	DAVINCI_LPSC_L3_CBA_RAM
+};
+
+#endif /* CONFIG_SOC_DA8XX */
+
 void lpsc_on(unsigned int id);
 void dsp_on(void);
 
@@ -174,6 +258,8 @@ void davinci_enable_emac(void);
 void davinci_enable_i2c(void);
 void davinci_errata_workarounds(void);
 
+#ifndef CONFIG_SOC_DA8XX
+
 /* Some PSC defines */
 #define PSC_CHP_SHRTSW			(0x01c40038)
 #define PSC_GBLCTL			(0x01c41010)
@@ -194,6 +280,39 @@ void davinci_errata_workarounds(void);
 
 #define PSC_SILVER_BULLET		(0x01c41a20)
 
+#else /* CONFIG_SOC_DA8XX */
+
+#define PSC_PSC0_MODULE_ID_CNT		16
+#define PSC_PSC1_MODULE_ID_CNT		32
+
+struct davinci_psc_regs {
+	dv_reg	revid;
+	dv_reg	rsvd0[71];
+	dv_reg	ptcmd;
+	dv_reg	rsvd1;
+	dv_reg	ptstat;
+	dv_reg	rsvd2[437];
+	union {
+		struct {
+			dv_reg	mdstat[PSC_PSC0_MODULE_ID_CNT];
+			dv_reg	rsvd3[112];
+			dv_reg	mdctl[PSC_PSC0_MODULE_ID_CNT];
+		} psc0;
+		struct {
+			dv_reg	mdstat[PSC_PSC1_MODULE_ID_CNT];
+			dv_reg	rsvd3[96];
+			dv_reg	mdctl[PSC_PSC1_MODULE_ID_CNT];
+		} psc1;
+	};
+};
+
+#define davinci_psc0_regs ((struct davinci_psc_regs *)DAVINCI_PSC0_BASE)
+#define davinci_psc1_regs ((struct davinci_psc_regs *)DAVINCI_PSC1_BASE)
+
+#endif /* CONFIG_SOC_DA8XX */
+
+#ifndef CONFIG_SOC_DA8XX
+
 /* Miscellania... */
 #define VBPR				(0x20000020)
 
@@ -206,4 +325,122 @@ void davinci_errata_workarounds(void);
 #define PINMUX3				0x01c4000c
 #define PINMUX4				0x01c40010
 
+#else /* CONFIG_SOC_DA8XX */
+
+struct davinci_pllc_regs {
+	dv_reg	revid;
+	dv_reg	rsvd1[56];
+	dv_reg	rstype;
+	dv_reg	rsvd2[6];
+	dv_reg	pllctl;
+	dv_reg	ocsel;
+	dv_reg	rsvd3[2];
+	dv_reg	pllm;
+	dv_reg	prediv;
+	dv_reg	plldiv1;
+	dv_reg	plldiv2;
+	dv_reg	plldiv3;
+	dv_reg	oscdiv;
+	dv_reg	postdiv;
+	dv_reg	rsvd4[3];
+	dv_reg	pllcmd;
+	dv_reg	pllstat;
+	dv_reg	alnctl;
+	dv_reg	dchange;
+	dv_reg	cken;
+	dv_reg	ckstat;
+	dv_reg	systat;
+	dv_reg	rsvd5[3];
+	dv_reg	plldiv4;
+	dv_reg	plldiv5;
+	dv_reg	plldiv6;
+	dv_reg	plldiv7;
+	dv_reg	rsvd6[32];
+	dv_reg	emucnt0;
+	dv_reg	emucnt1;
+};
+
+#define davinci_pllc_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL0_BASE)
+#define DAVINCI_PLLC_DIV_MASK	0x1f
+
+/* Clock IDs */
+enum davinci_clk_ids {
+	DAVINCI_SPI0_CLKID = 2,
+	DAVINCI_UART2_CLKID = 2,
+	DAVINCI_MDIO_CLKID = 4,
+	DAVINCI_ARM_CLKID = 6,
+	DAVINCI_PLLM_CLKID = 0xff,
+	DAVINCI_PLLC_CLKID = 0x100,
+	DAVINCI_AUXCLK_CLKID = 0x101
+};
+
+int clk_get(enum davinci_clk_ids id);
+
+/* Boot config */
+struct davinci_syscfg_regs {
+	dv_reg	revid;
+	dv_reg	rsvd[71];
+	dv_reg	pinmux[20];
+	dv_reg	suspsrc;
+	dv_reg	chipsig;
+	dv_reg	chipsig_clr;
+	dv_reg	cfgchip0;
+	dv_reg	cfgchip1;
+	dv_reg	cfgchip2;
+	dv_reg	cfgchip3;
+	dv_reg	cfgchip4;
+};
+
+#define davinci_syscfg_regs \
+	((struct davinci_syscfg_regs *)DAVINCI_BOOTCFG_BASE)
+
+/* Emulation suspend bits */
+#define DAVINCI_SYSCFG_SUSPSRC_EMAC		(1 << 5)
+#define DAVINCI_SYSCFG_SUSPSRC_I2C		(1 << 16)
+#define DAVINCI_SYSCFG_SUSPSRC_SPI0		(1 << 21)
+#define DAVINCI_SYSCFG_SUSPSRC_UART2		(1 << 20)
+#define DAVINCI_SYSCFG_SUSPSRC_TIMER0		(1 << 27)
+
+/* Interrupt controller */
+struct davinci_aintc_regs {
+	dv_reg	revid;
+	dv_reg	cr;
+	dv_reg	dummy0[2];
+	dv_reg	ger;
+	dv_reg	dummy1[219];
+	dv_reg	ecr1;
+	dv_reg	ecr2;
+	dv_reg	ecr3;
+	dv_reg	dummy2[1117];
+	dv_reg	hier;
+};
+
+#define davinci_aintc_regs ((struct davinci_aintc_regs *)DAVINCI_INTC_BASE)
+
+struct davinci_uart_ctrl_regs {
+	dv_reg	revid1;
+	dv_reg	revid2;
+	dv_reg	pwremu_mgmt;
+	dv_reg	mdr;
+};
+
+#define DAVINCI_UART_CTRL_BASE 0x28
+#define DAVINCI_UART0_CTRL_ADDR (DAVINCI_UART0_BASE + DAVINCI_UART_CTRL_BASE)
+#define DAVINCI_UART1_CTRL_ADDR (DAVINCI_UART1_BASE + DAVINCI_UART_CTRL_BASE)
+#define DAVINCI_UART2_CTRL_ADDR (DAVINCI_UART2_BASE + DAVINCI_UART_CTRL_BASE)
+
+#define davinci_uart0_ctrl_regs \
+	((struct davinci_uart_ctrl_regs *)DAVINCI_UART0_CTRL_ADDR)
+#define davinci_uart1_ctrl_regs \
+	((struct davinci_uart_ctrl_regs *)DAVINCI_UART1_CTRL_ADDR)
+#define davinci_uart2_ctrl_regs \
+	((struct davinci_uart_ctrl_regs *)DAVINCI_UART2_CTRL_ADDR)
+
+/* UART PWREMU_MGMT definitions */
+#define DAVINCI_UART_PWREMU_MGMT_FREE	(1 << 0)
+#define DAVINCI_UART_PWREMU_MGMT_URRST	(1 << 13)
+#define DAVINCI_UART_PWREMU_MGMT_UTRST	(1 << 14)
+
+#endif /* CONFIG_SOC_DA8XX */
+
 #endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/include/asm-arm/arch-davinci/i2c_defs.h b/include/asm-arm/arch-davinci/i2c_defs.h
index 2e902e17f83..24cd268b953 100644
--- a/include/asm-arm/arch-davinci/i2c_defs.h
+++ b/include/asm-arm/arch-davinci/i2c_defs.h
@@ -28,7 +28,11 @@
 #define I2C_WRITE		0
 #define I2C_READ		1
 
+#ifndef CONFIG_SOC_DA8XX
 #define I2C_BASE		0x01c21000
+#else
+#define I2C_BASE		0x01c22000
+#endif
 
 #define	I2C_OA			(I2C_BASE + 0x00)
 #define I2C_IE			(I2C_BASE + 0x04)
@@ -88,6 +92,7 @@
 #define I2C_CON_XA	(1 << 8)	/* Expand address */
 #define I2C_CON_STP	(1 << 11)	/* Stop condition (master mode only) */
 #define I2C_CON_STT	(1 << 13)	/* Start condition (master mode only) */
+#define I2C_CON_FREE	(1 << 14)	/* Free run on emulation */
 
 #define I2C_TIMEOUT	0xffff0000	/* Timeout mask for poll_i2c_irq() */