arm, davinci: add support for dm368 based cam_enc_4xx board

index f56f2df..27dc4bc 100644
@@ -78,6 +78,18 @@ static void phy_off(void)
 	writel(USBPHY_OSCPDWN | USBPHY_PHYPDWN, USBPHY_CTL_PADDR);
 }
 
+#ifndef DAVINCI_DM365EVM
+__attribute__((weak))
+void enable_vbus(void)
+{
+	/*
+	 *  nothing to do, vbus is handled through the cpu.
+	 *  Define this function in board code, if it is
+	 *  different on your board.
+	 */
+}
+#endif
+
 /*
  * This function performs Davinci platform specific initialization for usb0.
  */

index 27dc4bc..c17c867 100644
@@ -26,6 +26,10 @@
 #include "davinci.h"
 #include <asm/arch/hardware.h>
 
+#if !defined(CONFIG_DV_USBPHY_CTL)
+#define CONFIG_DV_USBPHY_CTL (USBPHY_SESNDEN | USBPHY_VBDTCTEN)
+#endif
+
 /* MUSB platform configuration */
 struct musb_config musb_cfg = {
 	.regs		= (struct musb_regs *)MENTOR_USB0_BASE,

@@ -50,7 +54,7 @@ static u8 phy_on(void)
 	writel(USBPHY_PHY24MHZ | USBPHY_SESNDEN |
 			USBPHY_VBDTCTEN, USBPHY_CTL_PADDR);
 #else
-	writel(USBPHY_SESNDEN | USBPHY_VBDTCTEN, USBPHY_CTL_PADDR);
+	writel(CONFIG_DV_USBPHY_CTL, USBPHY_CTL_PADDR);
 #endif
 	timeout = musb_cfg.timeout;
 

index a8905b8..299f1e1 100644
@@ -53,6 +53,11 @@ unsigned int	emac_dbg = 0;
 #define emac_gigabit_enable()	/* no gigabit to enable */
 #endif
 
+#if !defined(CONFIG_SYS_EMAC_TI_CLKDIV)
+#define CONFIG_SYS_EMAC_TI_CLKDIV	((EMAC_MDIO_BUS_FREQ / \
+		EMAC_MDIO_CLOCK_FREQ) - 1)
+#endif
+
 static void davinci_eth_mdio_enable(void);
 
 static int gen_init_phy(int phy_addr);

@@ -126,7 +131,7 @@ static void davinci_eth_mdio_enable(void)
 {
 	u_int32_t	clkdiv;
 
-	clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
+	clkdiv = CONFIG_SYS_EMAC_TI_CLKDIV;
 
 	writel((clkdiv & 0xff) |
 	       MDIO_CONTROL_ENABLE |

@@ -427,7 +432,7 @@ static int davinci_eth_open(struct eth_device *dev, bd_t *bis)
 #endif
 
 	/* Init MDIO & get link state */
-	clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
+	clkdiv = CONFIG_SYS_EMAC_TI_CLKDIV;
 	writel((clkdiv & 0xff) | MDIO_CONTROL_ENABLE | MDIO_CONTROL_FAULT,
 	       &adap_mdio->CONTROL);
 

63 lines not on this page · raw message

57 lines not on this page · raw message

61 lines not on this page · raw message

new file mode 100644
index 0000000..8f37053
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs at denx.de.
+ *
+ * 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 _DV_AINTC_DEFS_H_
+#define _DV_AINTC_DEFS_H_
+
+struct dv_aintc_regs {
+	unsigned int	fiq0;		/* 0x00 */
+	unsigned int	fiq1;		/* 0x04 */
+	unsigned int	irq0;		/* 0x08 */
+	unsigned int	irq1;		/* 0x0c */
+	unsigned int	fiqentry;	/* 0x10 */
+	unsigned int	irqentry;	/* 0x14 */
+	unsigned int	eint0;		/* 0x18 */
+	unsigned int	eint1;		/* 0x1c */
+	unsigned int	intctl;		/* 0x20 */
+	unsigned int	eabase;		/* 0x24 */
+	unsigned char	rsvd0[8];	/* 0x28 */
+	unsigned int	intpri0;	/* 0x30 */
+	unsigned int	intpri1;	/* 0x34 */
+	unsigned int	intpri2;	/* 0x38 */
+	unsigned int	intpri3;	/* 0x3c */
+	unsigned int	intpri4;	/* 0x40 */
+	unsigned int	intpri5;	/* 0x44 */
+	unsigned int	intpri6;	/* 0x48 */
+	unsigned int	intpri7;	/* 0x4c */
+};
+
+#define dv_aintc_regs ((struct dv_aintc_regs *)DAVINCI_ARM_INTC_BASE)
+
+#endif /* _DV_AINTC_DEFS_H_ */

index b6a3209..e4be42a 100644
@@ -56,6 +56,7 @@ typedef volatile unsigned int *	dv_reg_p;
 #define DAVINCI_DMA_3PTC1_BASE			(0x01c10400)
 #define DAVINCI_UART0_BASE			(0x01c20000)
 #define DAVINCI_UART1_BASE			(0x01c20400)
+#define DAVINCI_TIMER3_BASE			(0x01c20800)
 #define DAVINCI_I2C_BASE			(0x01c21000)
 #define DAVINCI_TIMER0_BASE			(0x01c21400)
 #define DAVINCI_TIMER1_BASE			(0x01c21800)

@@ -63,6 +64,7 @@ typedef volatile unsigned int *	dv_reg_p;
 #define DAVINCI_PWM0_BASE			(0x01c22000)
 #define DAVINCI_PWM1_BASE			(0x01c22400)
 #define DAVINCI_PWM2_BASE			(0x01c22800)
+#define DAVINCI_TIMER4_BASE			(0x01c23800)
 #define DAVINCI_SYSTEM_MODULE_BASE		(0x01c40000)
 #define DAVINCI_PLL_CNTRL0_BASE			(0x01c40800)
 #define DAVINCI_PLL_CNTRL1_BASE			(0x01c40c00)

@@ -108,6 +110,7 @@ typedef volatile unsigned int *	dv_reg_p;
 #define DAVINCI_MMC_SD1_BASE			0x01d00000
 #define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x01d10000
 #define DAVINCI_MMC_SD0_BASE			0x01d11000
+#define DAVINCI_DDR_EMIF_CTRL_BASE		0x20000000
 
 #elif defined(CONFIG_SOC_DM646X)
 #define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x20008000

@@ -538,4 +541,14 @@ static inline int get_async3_src(void)
 
 #endif /* CONFIG_SOC_DA8XX */
 
+#if defined(CONFIG_SOC_DM365)
+#include <asm/arch/aintc_defs.h>
+#include <asm/arch/ddr2_defs.h>
+#include <asm/arch/emif_defs.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pll_defs.h>
+#include <asm/arch/psc_defs.h>
+#include <asm/arch/syscfg_defs.h>
+#include <asm/arch/timer_defs.h>
+#endif
 #endif /* __ASM_ARCH_HARDWARE_H */

79 lines not on this page · raw message

129 lines not on this page · raw message

66 lines not on this page · raw message

new file mode 100644
index 0000000..d7c6a3e
@@ -0,0 +1,466 @@
+/*
+ * SoC-specific lowlevel code for tms320dm365 and similar chips
+ * Actually used for booting from NAND with nand_spl.
+ *
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs at denx.de.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <common.h>
+#include <nand.h>
+#include <ns16550.h>
+#include <post.h>
+#include <asm/arch/dm365_lowlevel.h>
+#include <asm/arch/hardware.h>
+
+void dm365_waitloop(unsigned long loopcnt)
+{
+	unsigned long	i;
+
+	for (i = 0; i < loopcnt; i++)
+		asm("   NOP");
+}
+
+int dm365_pll1_init(unsigned long pllmult, unsigned long prediv)
+{
+	unsigned int clksrc = 0x0;
+
+	/* Power up the PLL */
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLPWRDN);
+
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_RES_9);
+	setbits_le32(&dv_pll0_regs->pllctl, clksrc << 8);
+
+	/*
+	 * Set PLLENSRC '0', PLL Enable(PLLEN) selection is controlled
+	 * through MMR
+	 */
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLENSRC);
+
+	/* Set PLLEN=0 => PLL BYPASS MODE */
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLEN);
+
+	dm365_waitloop(150);
+
+	 /* PLLRST=1(reset assert) */
+	setbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLRST);
+
+	dm365_waitloop(300);
+
+	/*Bring PLL out of Reset*/
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLRST);
+
+	/* Program the Multiper and Pre-Divider for PLL1 */
+	writel(pllmult, &dv_pll0_regs->pllm);
+	writel(prediv, &dv_pll0_regs->prediv);
+
+	/* Assert TENABLE = 1, TENABLEDIV = 1, TINITZ = 1 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TENABLEDIV | PLLSECCTL_TENABLE |
+		PLLSECCTL_TINITZ, &dv_pll0_regs->secctl);
+	/* Assert TENABLE = 1, TENABLEDIV = 1, TINITZ = 0 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TENABLEDIV | PLLSECCTL_TENABLE,
+		&dv_pll0_regs->secctl);
+	/* Assert TENABLE = 0, TENABLEDIV = 0, TINITZ = 0 */
+	writel(PLLSECCTL_STOPMODE, &dv_pll0_regs->secctl);
+	/* Assert TENABLE = 0, TENABLEDIV = 0, TINITZ = 1 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TINITZ, &dv_pll0_regs->secctl);
+
+	/* Program the PostDiv for PLL1 */
+	writel(0x8000, &dv_pll0_regs->postdiv);
+
+	/* Post divider setting for PLL1 */
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV1, &dv_pll0_regs->plldiv1);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV2, &dv_pll0_regs->plldiv2);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV3, &dv_pll0_regs->plldiv3);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV4, &dv_pll0_regs->plldiv4);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV5, &dv_pll0_regs->plldiv5);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV6, &dv_pll0_regs->plldiv6);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV7, &dv_pll0_regs->plldiv7);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV8, &dv_pll0_regs->plldiv8);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV9, &dv_pll0_regs->plldiv9);
+
+	dm365_waitloop(300);
+
+	/* Set the GOSET bit */
+	writel(PLLCMD_GOSET, &dv_pll0_regs->pllcmd); /* Go */
+
+	dm365_waitloop(300);
+
+	/* Wait for PLL to LOCK */
+	while (!((readl(&dv_sys_module_regs->pll0_config) & PLL0_LOCK)
+		== PLL0_LOCK))
+		;
+
+	/* Enable the PLL Bit of PLLCTL*/
+	setbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLEN);
+
+	return 0;
+}
+
+int dm365_pll2_init(unsigned long pllm, unsigned long prediv)
+{
+	unsigned int clksrc = 0x0;
+
+	/* Power up the PLL*/
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLPWRDN);
+
+	/*
+	 * Select the Clock Mode as Onchip Oscilator or External Clock on
+	 * MXI pin
+	 * VDB has input on MXI pin
+	 */
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_RES_9);
+	setbits_le32(&dv_pll1_regs->pllctl, clksrc << 8);
+
+	/*
+	 * Set PLLENSRC '0', PLL Enable(PLLEN) selection is controlled
+	 * through MMR
+	 */
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLENSRC);
+
+	/* Set PLLEN=0 => PLL BYPASS MODE */
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLEN);
+
+	dm365_waitloop(50);
+
+	 /* PLLRST=1(reset assert) */
+	setbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLRST);
+
+	dm365_waitloop(300);
+
+	/* Bring PLL out of Reset */
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLRST);
+
+	/* Program the Multiper and Pre-Divider for PLL2 */
+	writel(pllm, &dv_pll1_regs->pllm);
+	writel(prediv, &dv_pll1_regs->prediv);
+
+	writel(0x8000, &dv_pll1_regs->postdiv);
+
+	/* Assert TENABLE = 1, TENABLEDIV = 1, TINITZ = 1 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TENABLEDIV | PLLSECCTL_TENABLE |
+		PLLSECCTL_TINITZ, &dv_pll1_regs->secctl);
+	/* Assert TENABLE = 1, TENABLEDIV = 1, TINITZ = 0 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TENABLEDIV | PLLSECCTL_TENABLE,
+		&dv_pll1_regs->secctl);
+	/* Assert TENABLE = 0, TENABLEDIV = 0, TINITZ = 0 */
+	writel(PLLSECCTL_STOPMODE, &dv_pll1_regs->secctl);
+	/* Assert TENABLE = 0, TENABLEDIV = 0, TINITZ = 1 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TINITZ, &dv_pll1_regs->secctl);
+
+	/* Post divider setting for PLL2 */
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV1, &dv_pll1_regs->plldiv1);
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV2, &dv_pll1_regs->plldiv2);
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV3, &dv_pll1_regs->plldiv3);
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV4, &dv_pll1_regs->plldiv4);
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV5, &dv_pll1_regs->plldiv5);
+
+	/* GoCmd for PostDivider to take effect */
+	writel(PLLCMD_GOSET, &dv_pll1_regs->pllcmd);
+
+	dm365_waitloop(150);
+
+	/* Wait for PLL to LOCK */
+	while (!((readl(&dv_sys_module_regs->pll1_config) & PLL1_LOCK)
+		== PLL1_LOCK))
+		;
+
+	dm365_waitloop(4100);
+
+	/* Enable the PLL2 */
+	setbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLEN);
+
+	/* do this after PLL's have been set up */
+	writel(CONFIG_SYS_DM36x_PERI_CLK_CTRL,
+		&dv_sys_module_regs->peri_clkctl);
+
+	return 0;
+}
+
+void dm365_lpc_transition(unsigned char module, unsigned char domain,
+				unsigned char state)
+{
+	/* Wait for any outstanding transition to complete */
+	while ((readl(&dv_psc_regs->ptstat)) & (PSC_GOSTAT << domain))
+		;
+
+	/* If we are already in that state, just return */
+	if (((readl(&dv_psc_regs->mdstat[module])) & PSC_MD_STATE_MSK)
+		== state)
+		return;
+
+	/* Perform transition */
+	writel(((readl(&dv_psc_regs->mdctl[module])) & (~PSC_MD_STATE_MSK)) |
+		state, &dv_psc_regs->mdctl[module]);
+	setbits_le32(&dv_psc_regs->ptcmd, (PSC_CMD_GO << domain));
+
+	/* Wait for transition to complete */
+	while ((readl(&dv_psc_regs->ptstat)) & (PSC_GOSTAT << domain))
+		;
+
+	/* Wait and verify the state */
+	while (((readl(&dv_psc_regs->mdstat[module])) & PSC_MD_STATE_MSK)
+		!= state)
+		;
+}
+
+int dm365_ddr_setup(void)
+{
+	dm365_lpc_transition(LPSC_DDR2, 0, PSC_ENABLE);
+	clrbits_le32(&dv_sys_module_regs->vtpiocr,
+		VPTIO_IOPWRDN | VPTIO_CLRZ | VPTIO_LOCK | VPTIO_PWRDN);
+
+	/* Set bit CLRZ (bit 13) */
+	setbits_le32(&dv_sys_module_regs->vtpiocr, VPTIO_CLRZ);
+
+	/* Check VTP READY Status */
+	while (!(readl(&dv_sys_module_regs->vtpiocr) & VPTIO_RDY))
+		;
+
+	/* Set bit VTP_IOPWRDWN bit 14 for DDR input buffers) */
+	setbits_le32(&dv_sys_module_regs->vtpiocr, VPTIO_IOPWRDN);
+
+	/* Set bit LOCK(bit7) */
+	setbits_le32(&dv_sys_module_regs->vtpiocr, VPTIO_LOCK);
+
+	/*
+	 * Powerdown VTP as it is locked (bit 6)
+	 * Set bit VTP_IOPWRDWN bit 14 for DDR input buffers)
+	 */
+	setbits_le32(&dv_sys_module_regs->vtpiocr,
+		VPTIO_IOPWRDN | VPTIO_PWRDN);
+
+	/* Wait for calibration to complete */
+	dm365_waitloop(150);
+
+	/* Set the DDR2 to synreset, then enable it again */
+	dm365_lpc_transition(LPSC_DDR2, 0, PSC_SYNCRESET);
+	dm365_lpc_transition(LPSC_DDR2, 0, PSC_ENABLE);
+
+	writel(CONFIG_SYS_DM36x_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr);
+
+	/* Program SDRAM Bank Config Register */
+	writel((CONFIG_SYS_DM36x_DDR2_SDBCR | DV_DDR_BOOTUNLOCK),
+		&dv_ddr2_regs_ctrl->sdbcr);
+	writel((CONFIG_SYS_DM36x_DDR2_SDBCR | DV_DDR_TIMUNLOCK),
+		&dv_ddr2_regs_ctrl->sdbcr);
+
+	/* Program SDRAM Timing Control Register1 */
+	writel(CONFIG_SYS_DM36x_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr);
+	/* Program SDRAM Timing Control Register2 */
+	writel(CONFIG_SYS_DM36x_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2);
+
+	writel(CONFIG_SYS_DM36x_DDR2_PBBPR, &dv_ddr2_regs_ctrl->pbbpr);
+
+	writel(CONFIG_SYS_DM36x_DDR2_SDBCR, &dv_ddr2_regs_ctrl->sdbcr);
+
+	/* Program SDRAM Refresh Control Register */
+	writel(CONFIG_SYS_DM36x_DDR2_SDRCR, &dv_ddr2_regs_ctrl->sdrcr);
+
+	dm365_lpc_transition(LPSC_DDR2, 0, PSC_SYNCRESET);
+	dm365_lpc_transition(LPSC_DDR2, 0, PSC_ENABLE);
+
+	return 0;
+}
+
+void dm365_vpss_sync_reset(void)
+{
+	unsigned int PdNum = 0;
+
+	/* VPSS_CLKMD 1:1 */
+	setbits_le32(&dv_sys_module_regs->vpss_clkctl,
+		VPSS_CLK_CTL_VPSS_CLKMD);
+
+	/* LPSC SyncReset DDR Clock Enable */
+	writel(((readl(&dv_psc_regs->mdctl[47]) & ~PSC_MD_STATE_MSK) |
+		PSC_SYNCRESET), &dv_psc_regs->mdctl[47]);
+
+	writel((1 << PdNum), &dv_psc_regs->ptcmd);
+
+	while (!(((readl(&dv_psc_regs->ptstat) >> PdNum) & PSC_GOSTAT) == 0))
+		;
+	while (!((readl(&dv_psc_regs->mdstat[47]) &  PSC_MD_STATE_MSK) ==
+		PSC_SYNCRESET))
+		;
+}
+
+void dm365_por_reset(void)
+{
+	if (readl(&dv_pll0_regs->rstype) & 3)
+		dm365_vpss_sync_reset();
+}
+
+void dm365_psc_init(void)
+{
+	unsigned char i = 0;
+	unsigned char lpsc_start;
+	unsigned char lpsc_end, lpscgroup, lpscmin, lpscmax;
+	unsigned int  PdNum = 0;
+
+	lpscmin = 0;
+	lpscmax = 2;
+
+	for (lpscgroup = lpscmin; lpscgroup <= lpscmax; lpscgroup++) {
+		if (lpscgroup == 0) {
+			lpsc_start = 0; /* Enabling LPSC 3 to 28 SCR first */
+			lpsc_end   = 28;
+		} else if (lpscgroup == 1) { /* Skip locked LPSCs [29-37] */
+			lpsc_start = 38;
+			lpsc_end   = 47;
+		} else {
+			lpsc_start = 50;
+			lpsc_end   = 51;
+		}
+
+		/* NEXT=0x3, Enable LPSC's */
+		for (i = lpsc_start; i <= lpsc_end; i++)
+			setbits_le32(&dv_psc_regs->mdctl[i], 0x3);
+
+		/*
+		 * Program goctl to start transition sequence for LPSCs
+		 * CSL_PSC_0_REGS->PTCMD = (1<<PdNum); Kick off Power
+		 * Domain 0 Modules
+		 */
+		writel((1 << PdNum), &dv_psc_regs->ptcmd);
+
+		/*
+		 * Wait for GOSTAT = NO TRANSITION from PSC for Powerdomain 0
+		 */
+		while (!(((readl(&dv_psc_regs->ptstat) >> PdNum) & PSC_GOSTAT)
+			== 0))
+			;
+
+		/* Wait for MODSTAT = ENABLE from LPSC's */
+		for (i = lpsc_start; i <= lpsc_end; i++)
+			while (!((readl(&dv_psc_regs->mdstat[i]) &
+				PSC_MD_STATE_MSK) == 0x3))
+				;
+	}
+}
+
+static void dm365_emif_init(void)
+{
+	writel(CONFIG_SYS_DM36x_AWCCR, &davinci_emif_regs->awccr);
+	writel(CONFIG_SYS_DM36x_AB1CR, &davinci_emif_regs->ab1cr);
+
+	setbits_le32(&davinci_emif_regs->nandfcr, 1);
+
+	writel(CONFIG_SYS_DM36x_AB2CR, &davinci_emif_regs->ab2cr);
+
+	return;
+}
+
+void dm365_pinmux_ctl(unsigned long offset, unsigned long mask,
+	unsigned long value)
+{
+	clrbits_le32(&dv_sys_module_regs->pinmux[offset], mask);
+	setbits_le32(&dv_sys_module_regs->pinmux[offset], (mask & value));
+}
+
+__attribute__((weak))
+void board_gpio_init(void)
+{
+	return;
+}
+
+#if defined(CONFIG_POST)
+int post_log(char *format, ...)
+{
+	return 0;
+}
+#endif
+
+void dm36x_lowlevel_init(ulong bootflag)
+{
+	/*
+	 * copied from arch/arm/cpu/arm926ejs/start.S
+	 *
+	 * flush v4 I/D caches
+	 */
+	asm("mov	r0, #0");
+	asm("mcr	p15, 0, r0, c7, c7, 0");	/* flush v3/v4 cache */
+	asm("mcr	p15, 0, r0, c8, c7, 0");	/* flush v4 TLB */
+
+	/*
+	 * disable MMU stuff and caches
+	 */
+	asm("mrc	p15, 0, r0, c1, c0, 0");
+	/* clear bits 13, 9:8 (--V- --RS) */
+	asm("bic	r0, r0, #0x00002300");
+	/* clear bits 7, 2:0 (B--- -CAM) */
+	asm("bic	r0, r0, #0x00000087");
+	/* set bit 2 (A) Align */
+	asm("orr	r0, r0, #0x00000002");
+	/* set bit 12 (I) I-Cache */
+	asm("orr	r0, r0, #0x00001000");
+	asm("mcr	p15, 0, r0, c1, c0, 0");
+
+	/* Mask all interrupts */
+	writel(0x04, &dv_aintc_regs->intctl);
+	writel(0x0, &dv_aintc_regs->eabase);
+	writel(0x0, &dv_aintc_regs->eint0);
+	writel(0x0, &dv_aintc_regs->eint1);
+
+	/* Clear all interrupts */
+	writel(0xffffffff, &dv_aintc_regs->fiq0);
+	writel(0xffffffff, &dv_aintc_regs->fiq1);
+	writel(0xffffffff, &dv_aintc_regs->irq0);
+	writel(0xffffffff, &dv_aintc_regs->irq1);
+
+	/* System PSC setup - enable all */
+	dm365_psc_init();
+
+	/* Setup Pinmux */
+	dm365_pinmux_ctl(0, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX0);
+	dm365_pinmux_ctl(1, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX1);
+	dm365_pinmux_ctl(2, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX2);
+	dm365_pinmux_ctl(3, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX3);
+	dm365_pinmux_ctl(4, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX4);
+
+	/* PLL setup */
+	dm365_pll1_init(CONFIG_SYS_DM36x_PLL1_PLLM,
+		CONFIG_SYS_DM36x_PLL1_PREDIV);
+	dm365_pll2_init(CONFIG_SYS_DM36x_PLL2_PLLM,
+		CONFIG_SYS_DM36x_PLL2_PREDIV);
+
+	/* GPIO setup */
+	board_gpio_init();
+
+	NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1),
+			CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+
+	/*
+	 * Fix Power and Emulation Management Register
+	 * see sprufh2.pdf page 38 Table 22
+	 */
+	writel(0x0000e003, (CONFIG_SYS_NS16550_COM1 + 0x30));
+	puts("ddr init\n");
+	dm365_ddr_setup();
+
+	puts("emif init\n");
+	dm365_emif_init();
+
+#if defined(CONFIG_POST)
+	/*
+	 * Do memory tests, calls arch_memory_failure_handle()
+	 * if error detected.
+	 */
+	memory_post_test(0);
+#endif
+}

43 lines not on this page · raw message

index 02819f6..9ea9785 100644
@@ -146,13 +146,15 @@ static inline unsigned pll_prediv(volatile void *pllbase)
 		return 8;
 	else
 		return pll_div(pllbase, PLLC_PREDIV);
+#elif defined(CONFIG_SOC_DM365)
+	return pll_div(pllbase, PLLC_PREDIV);
 #endif
 	return 1;
 }
 
 static inline unsigned pll_postdiv(volatile void *pllbase)
 {
-#ifdef CONFIG_SOC_DM355
+#if defined(CONFIG_SOC_DM355) || defined(CONFIG_SOC_DM365)
 	return pll_div(pllbase, PLLC_POSTDIV);
 #elif defined(CONFIG_SOC_DM6446)
 	if (pllbase == (volatile void *)DAVINCI_PLL_CNTRL0_BASE)

@@ -171,9 +173,13 @@ static unsigned pll_sysclk_mhz(unsigned pll_addr, unsigned div)
 #endif
 
 	/* the PLL might be bypassed */
-	if (REG(pllbase + PLLC_PLLCTL) & BIT(0)) {
+	if (readl(pllbase + PLLC_PLLCTL) & BIT(0)) {
 		base /= pll_prediv(pllbase);
+#if defined(CONFIG_SOC_DM365)
+		base *=  2 * (readl(pllbase + PLLC_PLLM) & 0x0ff);
+#else
 		base *= 1 + (REG(pllbase + PLLC_PLLM) & 0x0ff);
+#endif
 		base /= pll_postdiv(pllbase);
 	}
 	return DIV_ROUND_UP(base, 1000 * pll_div(pllbase, div));

@@ -184,8 +190,13 @@ int print_cpuinfo(void)
 	/* REVISIT fetch and display CPU ID and revision information
 	 * too ... that will matter as more revisions appear.
 	 */
+#if defined(CONFIG_SOC_DM365)
+	printf("Cores: ARM %d MHz",
+			pll_sysclk_mhz(DAVINCI_PLL_CNTRL1_BASE, ARM_PLLDIV));
+#else
 	printf("Cores: ARM %d MHz",
 			pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, ARM_PLLDIV));
+#endif
 
 #ifdef DSP_PLLDIV
 	printf(", DSP %d MHz",

@@ -194,8 +205,13 @@ int print_cpuinfo(void)
 
 	printf("\nDDR:   %d MHz\n",
 			/* DDR PHY uses an x2 input clock */
+#if defined(CONFIG_SOC_DM365)
+			pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, DDR_PLLDIV)
+				/ 2);
+#else
 			pll_sysclk_mhz(DAVINCI_PLL_CNTRL1_BASE, DDR_PLLDIV)
 				/ 2);
+#endif
 	return 0;
 }
 

@@ -205,6 +221,13 @@ unsigned int davinci_arm_clk_get()
 	return pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, ARM_PLLDIV) * 1000000;
 }
 #endif
+
+#if defined(CONFIG_SOC_DM365)
+unsigned int davinci_clk_get(unsigned int div)
+{
+	return pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, div) * 1000000;
+}
+#endif
 #endif /* CONFIG_DISPLAY_CPUINFO */
 #endif /* !CONFIG_SOC_DA8XX */
 

index 5d37616..606ed0b 100644
@@ -76,4 +76,8 @@ struct dv_pll_regs {
 #define dv_pll0_regs ((struct dv_pll_regs *)DAVINCI_PLL_CNTRL0_BASE)
 #define dv_pll1_regs ((struct dv_pll_regs *)DAVINCI_PLL_CNTRL1_BASE)
 
+#define ARM_PLLDIV	(offsetof(struct dv_pll_regs, plldiv2))
+#define DDR_PLLDIV	(offsetof(struct dv_pll_regs, plldiv7))
+
+unsigned int davinci_clk_get(unsigned int div);
 #endif /* _DV_PLL_DEFS_H_ */

index e4be42a..e62142b 100644
@@ -111,6 +111,8 @@ typedef volatile unsigned int *	dv_reg_p;
 #define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x01d10000
 #define DAVINCI_MMC_SD0_BASE			0x01d11000
 #define DAVINCI_DDR_EMIF_CTRL_BASE		0x20000000
+#define DAVINCI_SPI0_BASE			0x01c66000
+#define DAVINCI_SPI1_BASE			0x01c66800
 
 #elif defined(CONFIG_SOC_DM646X)
 #define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x20008000

index 606ed0b..5c30953 100644
@@ -78,6 +78,7 @@ struct dv_pll_regs {
 
 #define ARM_PLLDIV	(offsetof(struct dv_pll_regs, plldiv2))
 #define DDR_PLLDIV	(offsetof(struct dv_pll_regs, plldiv7))
+#define SPI_PLLDIV	(offsetof(struct dv_pll_regs, plldiv4))
 
 unsigned int davinci_clk_get(unsigned int div);
 #endif /* _DV_PLL_DEFS_H_ */

446 lines not on this page · raw message

452 lines not on this page · raw message

index 93ec8ee..e440625 100644
@@ -66,7 +66,7 @@ enum ublimage_fld_types {
 #define UBL_IMAGE_SIZE              (0x00003800u)
 
 /* one NAND block */
-#define UBL_BLOCK_SIZE 512
+#define UBL_BLOCK_SIZE 2048
 
 /* from sprufg5a.pdf Table 109 */
 struct ubl_header {