Signed-off-by: Heiko Schocher hs@denx.de Cc: Paulraj Sandeep s-paulraj@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- arch/arm/include/asm/arch-davinci/hardware.h | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index dcc71d6..b6a3209 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -322,6 +322,11 @@ void davinci_errata_workarounds(void);

#else /* CONFIG_SOC_DA8XX */

+#define PSC_ENABLE 0x3 +#define PSC_DISABLE 0x2 +#define PSC_SYNCRESET 0x1 +#define PSC_SWRSTDISABLE 0x0 + #define PSC_PSC0_MODULE_ID_CNT 16 #define PSC_PSC1_MODULE_ID_CNT 32

@@ -464,6 +469,12 @@ struct davinci_syscfg1_regs {

#define DDR_SLEW_CMOSEN_BIT 4

+#define VTP_POWERDWN (1 << 6) +#define VTP_LOCK (1 << 7) +#define VTP_CLKRZ (1 << 13) +#define VTP_READY (1 << 15) +#define VTP_IOPWRDWN (1 << 14) + /* Interrupt controller */ struct davinci_aintc_regs { dv_reg revid;

Signed-off-by: Heiko Schocher hs@denx.de Cc: Paulraj Sandeep s-paulraj@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- arch/arm/include/asm/arch-davinci/ddr2_defs.h | 96 +++++++++++++++++++++++++ 1 files changed, 96 insertions(+), 0 deletions(-) create mode 100644 arch/arm/include/asm/arch-davinci/ddr2_defs.h

diff --git a/arch/arm/include/asm/arch-davinci/ddr2_defs.h b/arch/arm/include/asm/arch-davinci/ddr2_defs.h new file mode 100644 index 0000000..1b9430c --- /dev/null +++ b/arch/arm/include/asm/arch-davinci/ddr2_defs.h @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2011 + * Heiko Schocher, DENX Software Engineering, hs@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_DDR2_DEFS_H_ +#define _DV_DDR2_DEFS_H_ + +/* + * DDR2 Memory Ctrl Register structure + * See sprueh7d.pdf for more details. + */ +struct dv_ddr2_regs_ctrl { + unsigned char rsvd0[4]; /* 0x00 */ + unsigned int sdrstat; /* 0x04 */ + unsigned int sdbcr; /* 0x08 */ + unsigned int sdrcr; /* 0x0C */ + unsigned int sdtimr; /* 0x10 */ + unsigned int sdtimr2; /* 0x14 */ + unsigned char rsvd1[4]; /* 0x18 */ + unsigned int sdbcr2; /* 0x1C */ + unsigned int pbbpr; /* 0x20 */ + unsigned char rsvd2[156]; /* 0x24 */ + unsigned int irr; /* 0xC0 */ + unsigned int imr; /* 0xC4 */ + unsigned int imsr; /* 0xC8 */ + unsigned int imcr; /* 0xCC */ + unsigned char rsvd3[20]; /* 0xD0 */ + unsigned int ddrphycr; /* 0xE4 */ + unsigned int ddrphycr2; /* 0xE8 */ + unsigned char rsvd4[4]; /* 0xEC */ +}; + +#define DV_DDR_PHY_PWRDNEN 0x40 +#define DV_DDR_PHY_EXT_STRBEN 0x80 +#define DV_DDR_PHY_RD_LATENCY_SHIFT 0 + +#define DV_DDR_SDTMR1_RFC_SHIFT 25 +#define DV_DDR_SDTMR1_RP_SHIFT 22 +#define DV_DDR_SDTMR1_RCD_SHIFT 19 +#define DV_DDR_SDTMR1_WR_SHIFT 16 +#define DV_DDR_SDTMR1_RAS_SHIFT 11 +#define DV_DDR_SDTMR1_RC_SHIFT 6 +#define DV_DDR_SDTMR1_RRD_SHIFT 3 +#define DV_DDR_SDTMR1_WTR_SHIFT 0 + +#define DV_DDR_SDTMR2_RASMAX_SHIFT 27 +#define DV_DDR_SDTMR2_XP_SHIFT 25 +#define DV_DDR_SDTMR2_XSNR_SHIFT 16 +#define DV_DDR_SDTMR2_XSRD_SHIFT 8 +#define DV_DDR_SDTMR2_RTP_SHIFT 5 +#define DV_DDR_SDTMR2_CKE_SHIFT 0 + +#define DV_DDR_SDCR_DDR2TERM1_SHIFT 27 +#define DV_DDR_SDCR_IBANK_POS_SHIFT 26 +#define DV_DDR_SDCR_MSDRAMEN_SHIFT 25 +#define DV_DDR_SDCR_DDRDRIVE1_SHIFT 24 +#define DV_DDR_SDCR_BOOTUNLOCK_SHIFT 23 +#define DV_DDR_SDCR_DDR_DDQS_SHIFT 22 +#define DV_DDR_SDCR_DDR2EN_SHIFT 20 +#define DV_DDR_SDCR_DDRDRIVE0_SHIFT 18 +#define DV_DDR_SDCR_DDREN_SHIFT 17 +#define DV_DDR_SDCR_SDRAMEN_SHIFT 16 +#define DV_DDR_SDCR_TIMUNLOCK_SHIFT 15 +#define DV_DDR_SDCR_BUS_WIDTH_SHIFT 14 +#define DV_DDR_SDCR_CL_SHIFT 9 +#define DV_DDR_SDCR_IBANK_SHIFT 4 +#define DV_DDR_SDCR_PAGESIZE_SHIFT 0 + +#define DV_DDR_SRCR_LPMODEN_SHIFT 31 +#define DV_DDR_SRCR_MCLKSTOPEN_SHIFT 30 + +#define DV_DDR_BOOTUNLOCK (1 << DV_DDR_SDCR_BOOTUNLOCK_SHIFT) +#define DV_DDR_TIMUNLOCK (1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT) + +#define dv_ddr2_regs_ctrl \ + ((struct dv_ddr2_regs_ctrl *)DAVINCI_DDR_EMIF_CTRL_BASE) + +#endif /* _DV_DDR2_DEFS_H_ */

Signed-off-by: Heiko Schocher hs@denx.de Cc: Paulraj Sandeep s-paulraj@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- arch/arm/cpu/arm926ejs/davinci/Makefile | 1 + arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c | 428 ++++++++++++++++++++ .../arm/include/asm/arch-davinci/am1808_lowlevel.h | 44 ++ 3 files changed, 473 insertions(+), 0 deletions(-) create mode 100644 arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c create mode 100644 arch/arm/include/asm/arch-davinci/am1808_lowlevel.h

diff --git a/arch/arm/cpu/arm926ejs/davinci/Makefile b/arch/arm/cpu/arm926ejs/davinci/Makefile index b38623a..0310957 100644 --- a/arch/arm/cpu/arm926ejs/davinci/Makefile +++ b/arch/arm/cpu/arm926ejs/davinci/Makefile @@ -28,6 +28,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o

COBJS-y += cpu.o timer.o psc.o +COBJS-$(CONFIG_AM18018_LOWLEVEL) += am1808_lowlevel.o COBJS-$(CONFIG_SOC_DM355) += dm355.o COBJS-$(CONFIG_SOC_DM365) += dm365.o COBJS-$(CONFIG_SOC_DM644X) += dm644x.o diff --git a/arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c new file mode 100644 index 0000000..1ea4a9f --- /dev/null +++ b/arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c @@ -0,0 +1,428 @@ +/* + * SoC-specific lowlevel code for AM1808 and similar chips + * + * Copyright (C) 2011 + * Heiko Schocher, DENX Software Engineering, hs@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/am1808_lowlevel.h> +#include <asm/arch/hardware.h> +#include <asm/arch/ddr2_defs.h> +#include <asm/arch/emif_defs.h> + +void am1808_waitloop(unsigned long loopcnt) +{ + unsigned long i; + + for (i = 0; i < loopcnt; i++) + asm(" NOP"); +} + +int am1808_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult) +{ + if (reg == davinci_pllc0_regs) + /* Unlock PLL registers. */ + clrbits_le32(&davinci_syscfg_regs->cfgchip0, 0x00000010); + + /* + * Set PLLENSRC '0',bit 5, PLL Enable(PLLEN) selection is controlled + * through MMR + */ + clrbits_le32(&reg->pllctl, 0x00000020); + /* PLLCTL.EXTCLKSRC bit 9 should be left at 0 for Freon */ + clrbits_le32(&reg->pllctl, 0x00000200); + + /* Set PLLEN=0 => PLL BYPASS MODE */ + clrbits_le32(&reg->pllctl, 0x00000001); + + am1808_waitloop(150); + + if (reg == davinci_pllc0_regs) { + /* + * Select the Clock Mode bit 8 as External Clock or On Chip + * Oscilator + */ + dv_maskbits(&reg->pllctl, 0xFFFFFEFF); + setbits_le32(&reg->pllctl, (CONFIG_SYS_DV_CLKMODE << 8)); + } + + /* Clear PLLRST bit to reset the PLL */ + clrbits_le32(&reg->pllctl, 0x00000008); + + /* Disable the PLL output */ + setbits_le32(&reg->pllctl, 0x00000010); + + /* PLL initialization sequence */ + /* + * Power up the PLL- PWRDN bit set to 0 to bring the PLL out of + * power down bit + */ + clrbits_le32(&reg->pllctl, 0x00000002); + + /* Enable the PLL from Disable Mode PLLDIS bit to 0 */ + clrbits_le32(&reg->pllctl, 0x00000010); + + /* Program the required multiplier value in PLLM */ + writel(pllmult, &reg->pllm); + + /* program the postdiv */ + if (reg == davinci_pllc0_regs) + writel((0x8000 | CONFIG_SYS_AM1808_PLL0_POSTDIV), + &reg->postdiv); + else + writel((0x8000 | CONFIG_SYS_AM1808_PLL1_POSTDIV), + &reg->postdiv); + + /* + * Check for the GOSTAT bit in PLLSTAT to clear to 0 to indicate that + * no GO operation is currently in progress + */ + while ((readl(&reg->pllstat) & 0x1) == 1) + ; + + if (reg == davinci_pllc0_regs) { + writel(CONFIG_SYS_AM1808_PLL0_PLLDIV1, &reg->plldiv1); + writel(CONFIG_SYS_AM1808_PLL0_PLLDIV2, &reg->plldiv2); + writel(CONFIG_SYS_AM1808_PLL0_PLLDIV3, &reg->plldiv3); + writel(CONFIG_SYS_AM1808_PLL0_PLLDIV4, &reg->plldiv4); + writel(CONFIG_SYS_AM1808_PLL0_PLLDIV5, &reg->plldiv5); + writel(CONFIG_SYS_AM1808_PLL0_PLLDIV6, &reg->plldiv6); + writel(CONFIG_SYS_AM1808_PLL0_PLLDIV7, &reg->plldiv7); + } else { + writel(CONFIG_SYS_AM1808_PLL1_PLLDIV1, &reg->plldiv1); + writel(CONFIG_SYS_AM1808_PLL1_PLLDIV2, &reg->plldiv2); + writel(CONFIG_SYS_AM1808_PLL1_PLLDIV3, &reg->plldiv3); + } + + /* + * Set the GOSET bit in PLLCMD to 1 to initiate a new divider + * transition. + */ + setbits_le32(&reg->pllcmd, 0x01); + + /* + * Wait for the GOSTAT bit in PLLSTAT to clear to 0 + * (completion of phase alignment). + */ + while ((readl(&reg->pllstat) & 0x1) == 1) + ; + + /* Wait for PLL to reset properly. See PLL spec for PLL reset time */ + am1808_waitloop(200); + + /* Set the PLLRST bit in PLLCTL to 1 to bring the PLL out of reset */ + setbits_le32(&reg->pllctl, 0x00000008); + + /* Wait for PLL to lock. See PLL spec for PLL lock time */ + am1808_waitloop(2400); + + /* + * Set the PLLEN bit in PLLCTL to 1 to remove the PLL from bypass + * mode + */ + setbits_le32(&reg->pllctl, 0x00000001); + + + /* + * clear EMIFA and EMIFB clock source settings, let them + * run off SYSCLK + */ + if (reg == davinci_pllc0_regs) + dv_maskbits(&davinci_syscfg_regs->cfgchip3, 0xFFFFFFF8); + + return 0; +} + +void am1808_lpc_transition(unsigned char pscnum, unsigned char module, + unsigned char domain, unsigned char state) +{ + struct davinci_psc_regs *reg; + dv_reg_p mdstat, mdctl; + + if (pscnum == 0) { + reg = davinci_psc0_regs; + mdstat = &reg->psc0.mdstat[module]; + mdctl = &reg->psc0.mdctl[module]; + } else { + reg = davinci_psc1_regs; + mdstat = &reg->psc1.mdstat[module]; + mdctl = &reg->psc1.mdctl[module]; + } + + /* Wait for any outstanding transition to complete */ + while ((readl(&reg->ptstat) & (0x00000001 << domain))) + ; + + /* If we are already in that state, just return */ + if ((readl(mdstat) & 0x1F) == state) + return; + + /* Perform transition */ + writel((readl(mdctl) & 0xFFFFFFE0) | state, mdctl); + setbits_le32(&reg->ptcmd, (0x00000001 << domain)); + + /* Wait for transition to complete */ + while (readl(&reg->ptstat) & (0x00000001 << domain)) + ; + + /* Wait and verify the state */ + while ((readl(mdstat) & 0x1F) != state) + ; +} + +int am1808_ddr_setup(unsigned int freq) +{ + unsigned long tmp; + + /* Enable the Clock to DDR2/mDDR */ + am1808_lpc_transition(1, 6, 0, PSC_ENABLE); + + tmp = readl(&davinci_syscfg1_regs->vtpio_ctl); + if ((tmp & VTP_POWERDWN) == VTP_POWERDWN) { + /* Begin VTP Calibration */ + clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN); + clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK); + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ); + clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ); + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ); + + /* Polling READY bit to see when VTP calibration is done */ + tmp = readl(&davinci_syscfg1_regs->vtpio_ctl); + while ((tmp & VTP_READY) != VTP_READY) + tmp = readl(&davinci_syscfg1_regs->vtpio_ctl); + + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK); + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN); + + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN); + } + + writel(CONFIG_SYS_AM1808_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr); + clrbits_le32(&davinci_syscfg1_regs->ddr_slew, + (1 << DDR_SLEW_CMOSEN_BIT)); + + setbits_le32(&dv_ddr2_regs_ctrl->sdbcr, DV_DDR_BOOTUNLOCK); + + writel((CONFIG_SYS_AM1808_DDR2_SDBCR & ~0xf0000000) | + (readl(&dv_ddr2_regs_ctrl->sdbcr) & 0xf0000000), /*rsv Bytes*/ + &dv_ddr2_regs_ctrl->sdbcr); + writel(CONFIG_SYS_AM1808_DDR2_SDBCR2, &dv_ddr2_regs_ctrl->sdbcr2); + + writel(CONFIG_SYS_AM1808_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr); + writel(CONFIG_SYS_AM1808_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2); + + clrbits_le32(&dv_ddr2_regs_ctrl->sdbcr, + (1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT)); + + /* + * LPMODEN and MCLKSTOPEN must be set! + * Without this bits set, PSC don;t switch states !! + */ + writel(CONFIG_SYS_AM1808_DDR2_SDRCR | + (1 << DV_DDR_SRCR_LPMODEN_SHIFT) | + (1 << DV_DDR_SRCR_MCLKSTOPEN_SHIFT), + &dv_ddr2_regs_ctrl->sdrcr); + + /* SyncReset the Clock to EMIF3A SDRAM */ + am1808_lpc_transition(1, 6, 0, PSC_SYNCRESET); + /* Enable the Clock to EMIF3A SDRAM */ + am1808_lpc_transition(1, 6, 0, PSC_ENABLE); + + /* disable self refresh */ + clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr, 0xc0000000); + writel(0x30, &dv_ddr2_regs_ctrl->pbbpr); + + return 0; +} + +static void am1808_set_mdctl(dv_reg_p mdctl) +{ + if ((readl(mdctl) & 0x1F) != PSC_ENABLE) + writel(((readl(mdctl) & 0xFFFFFFE0) | PSC_ENABLE), mdctl); +} + +void am1808_psc_init(void) +{ + struct davinci_psc_regs *reg; + int i; + + /* PSC 0 domain 0 init */ + reg = davinci_psc0_regs; + while ((readl(&reg->ptstat) & 0x00000001)) + ; + + for (i = 3; i <= 4 ; i++) + am1808_set_mdctl(&reg->psc0.mdctl[i]); + + for (i = 7; i <= 12 ; i++) + am1808_set_mdctl(&reg->psc0.mdctl[i]); + + /* Do Always-On Power Domain Transitions */ + setbits_le32(&reg->ptcmd, 0x00000001); + while (readl(&reg->ptstat) & 0x00000001) + ; + + /* PSC1, domain 1 init */ + reg = davinci_psc1_regs; + while ((readl(&reg->ptstat) & 0x00000001)) + ; + + am1808_set_mdctl(&reg->psc1.mdctl[3]); + am1808_set_mdctl(&reg->psc1.mdctl[6]); + + /* UART1 + UART2 */ + for (i = 12 ; i <= 13 ; i++) + am1808_set_mdctl(&reg->psc1.mdctl[i]); + + am1808_set_mdctl(&reg->psc1.mdctl[26]); + am1808_set_mdctl(&reg->psc1.mdctl[31]); + + /* Do Always-On Power Domain Transitions */ + setbits_le32(&reg->ptcmd, 0x00000001); + while (readl(&reg->ptstat) & 0x00000001) + ; +} + +void am1808_pinmux_ctl(unsigned long offset, unsigned long mask, + unsigned long value) +{ + clrbits_le32(&davinci_syscfg_regs->pinmux[offset], mask); + setbits_le32(&davinci_syscfg_regs->pinmux[offset], (mask & value)); +} + +__attribute__((weak)) +void board_gpio_init(void) +{ + return; +} + +#if defined(CONFIG_NAND_SPL) +void nand_boot(void) +{ + __attribute__((noreturn)) void (*uboot)(void); + + /* copy image from NOR to RAM */ + memcpy((void *)CONFIG_SYS_NAND_U_BOOT_DST, + (void *)CONFIG_SYS_NAND_U_BOOT_OFFS, + CONFIG_SYS_NAND_U_BOOT_SIZE); + + /* and jump to it ... */ + uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START; + (*uboot)(); +} +#endif + +#if defined(CONFIG_NAND_SPL) +void board_init_f(ulong bootflag) +#else +int arch_cpu_init(void) +#endif +{ + /* + * 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"); + + /* Unlock kick registers */ + writel(0x83e70b13, &davinci_syscfg_regs->kick0); + writel(0x95a4f1e0, &davinci_syscfg_regs->kick1); + + dv_maskbits(&davinci_syscfg_regs->suspsrc, + ((1 << 27) | (1 << 22) | (1 << 20) | (1 << 5) | (1 << 16))); + + /* System PSC setup - enable all */ + am1808_psc_init(); + + /* Setup Pinmux */ + am1808_pinmux_ctl(0, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX0); + am1808_pinmux_ctl(1, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX1); + am1808_pinmux_ctl(2, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX2); + am1808_pinmux_ctl(3, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX3); + am1808_pinmux_ctl(4, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX4); + am1808_pinmux_ctl(5, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX5); + am1808_pinmux_ctl(6, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX6); + am1808_pinmux_ctl(7, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX7); + am1808_pinmux_ctl(8, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX8); + am1808_pinmux_ctl(9, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX9); + am1808_pinmux_ctl(10, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX10); + am1808_pinmux_ctl(11, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX11); + am1808_pinmux_ctl(12, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX12); + am1808_pinmux_ctl(13, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX13); + am1808_pinmux_ctl(14, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX14); + am1808_pinmux_ctl(15, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX15); + am1808_pinmux_ctl(16, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX16); + am1808_pinmux_ctl(17, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX17); + am1808_pinmux_ctl(18, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX18); + am1808_pinmux_ctl(19, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX19); + + /* PLL setup */ + am1808_pll_init(davinci_pllc0_regs, CONFIG_SYS_AM1808_PLL0_PLLM); + am1808_pll_init(davinci_pllc1_regs, CONFIG_SYS_AM1808_PLL1_PLLM); + + /* GPIO setup */ + board_gpio_init(); + + /* setup CSn config */ + writel(CONFIG_SYS_AM1808_CS2CFG, &davinci_emif_regs->ab1cr); + writel(CONFIG_SYS_AM1808_CS3CFG, &davinci_emif_regs->ab2cr); + + am1808_lpc_transition(1, 13, 0, PSC_ENABLE); + NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1), + CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); + + /* + * Fix Power and Emulation Management Register + * see sprufw3a.pdf page 37 Table 24 + */ + writel(readl((CONFIG_SYS_NS16550_COM1 + 0x30)) | 0x00006001, + (CONFIG_SYS_NS16550_COM1 + 0x30)); +#if defined(CONFIG_NAND_SPL) + puts("ddr init\n"); + am1808_ddr_setup(132); + + puts("boot u-boot ...\n"); + + nand_boot(); +#else + am1808_ddr_setup(132); + return 0; +#endif +} diff --git a/arch/arm/include/asm/arch-davinci/am1808_lowlevel.h b/arch/arm/include/asm/arch-davinci/am1808_lowlevel.h new file mode 100644 index 0000000..0bc7f76 --- /dev/null +++ b/arch/arm/include/asm/arch-davinci/am1808_lowlevel.h @@ -0,0 +1,44 @@ +/* + * SoC-specific lowlevel code for AM1808 and similar chips + * + * Copyright (C) 2011 + * Heiko Schocher, DENX Software Engineering, hs@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. + */ +#ifndef __AM1808_LOWLEVEL_H +#define __AM1808_LOWLEVEL_H + +/* NOR Boot Configuration Word Field Descriptions */ +#define AM1808_NORBOOT_COPY_XK(X) ((X - 1) << 8) +#define AM1808_NORBOOT_METHOD_DIRECT (1 << 4) +#define AM1808_NORBOOT_16BIT (1 << 0) + +#define dv_maskbits(addr, val) \ + writel((readl(addr) & val), addr) + +void am1808_waitloop(unsigned long loopcnt); +int am1808_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult); +void am1808_lpc_transition(unsigned char pscnum, unsigned char module, + unsigned char domain, unsigned char state); +int am1808_ddr_setup(unsigned int freq); +void am1808_psc_init(void); +void am1808_pinmux_ctl(unsigned long offset, unsigned long mask, + unsigned long value); + +#endif /* #ifndef __AM1808_LOWLEVEL_H */

- booting from NOR Flash with direct boot method - POST support - LOGBUF support

Signed-off-by: Heiko Schocher hs@denx.de Cc: Paulraj Sandeep s-paulraj@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- board/enbw/enbw_cmc/Makefile | 51 ++++ board/enbw/enbw_cmc/enbw_cmc.c | 574 ++++++++++++++++++++++++++++++++++++++++ boards.cfg | 1 + include/configs/enbw_cmc.h | 440 ++++++++++++++++++++++++++++++ 4 files changed, 1066 insertions(+), 0 deletions(-) create mode 100644 board/enbw/enbw_cmc/Makefile create mode 100644 board/enbw/enbw_cmc/enbw_cmc.c create mode 100644 include/configs/enbw_cmc.h

diff --git a/board/enbw/enbw_cmc/Makefile b/board/enbw/enbw_cmc/Makefile new file mode 100644 index 0000000..bdba069 --- /dev/null +++ b/board/enbw/enbw_cmc/Makefile @@ -0,0 +1,51 @@ +# +# (C) Copyright 2000, 2001, 2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# Copyright (C) 2007 Sergey Kubushyn ksi@koi8.net +# +# 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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := $(BOARD).o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak *~ .depend + +######################################################################### +# This is for $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/enbw/enbw_cmc/enbw_cmc.c b/board/enbw/enbw_cmc/enbw_cmc.c new file mode 100644 index 0000000..1b9ee67 --- /dev/null +++ b/board/enbw/enbw_cmc/enbw_cmc.c @@ -0,0 +1,574 @@ +/* + * (C) Copyright 2011 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * Based on: + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Based on da830evm.c. Original Copyrights follow: + * + * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. nick.thompson@gefanuc.com + * Copyright (C) 2007 Sergey Kubushyn ksi@koi8.net + * + * 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 <command.h> +#include <environment.h> +#include <hwconfig.h> +#include <i2c.h> +#include <malloc.h> +#include <miiphy.h> +#include <net.h> +#include <netdev.h> +#include <asm/arch/hardware.h> +#include <asm/arch/emif_defs.h> +#include <asm/arch/emac_defs.h> +#include <asm/arch/gpio.h> +#include <asm/arch/davinci_misc.h> +#include <asm/arch/timer_defs.h> +#include <asm/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +static const struct lpsc_resource lpsc[] = { + { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */ + { DAVINCI_LPSC_EMAC }, /* image download */ + { DAVINCI_LPSC_UART2 }, /* console */ + { DAVINCI_LPSC_GPIO }, +}; + +/* missing functions from board/davinci/common/misc.c */ +#ifndef CONFIG_USE_IRQ +void irq_init(void) +{ + /* + * Mask all IRQs by clearing the global enable and setting + * the enable clear for all the 90 interrupts. + */ + + writel(0, &davinci_aintc_regs->ger); + + writel(0, &davinci_aintc_regs->hier); + + writel(0xffffffff, &davinci_aintc_regs->ecr1); + writel(0xffffffff, &davinci_aintc_regs->ecr2); + writel(0xffffffff, &davinci_aintc_regs->ecr3); +} +#endif + +void davinci_emac_mii_mode_sel(int mode_sel) +{ + int val; + + val = readl(&davinci_syscfg_regs->cfgchip3); + if (mode_sel == 0) + val &= ~(1 << 8); + else + val |= (1 << 8); + writel(val, &davinci_syscfg_regs->cfgchip3); +} + +int da8xx_configure_lpsc_items(const struct lpsc_resource *item, + const int n_items) +{ + int i; + + for (i = 0; i < n_items; i++) + lpsc_on(item[i].lpsc_no); + + return 0; +} + +int davinci_configure_pin_mux_items(const struct pinmux_resource *item, + const int n_items) +{ + return 0; +} + +static void enbw_cmc_switch(int port, int on) +{ + const char *devname; + unsigned char phyaddr = 3; + unsigned char reg = 0; + unsigned short data; + + if (port == 1) + phyaddr = 2; + + devname = miiphy_get_current_dev(); + if (!devname) { + printf("Error: no mii device\n"); + return; + } + if (miiphy_read(devname, phyaddr, reg, &data) != 0) { + printf("Error reading from the PHY addr=%02x reg=%02x\n", + phyaddr, reg); + return; + } + if (on) + data &= ~0x0800; + else + data |= 0x0800; + + if (miiphy_write(devname, phyaddr, reg, data) != 0) { + printf("Error writing to the PHY addr=%02x reg=%02x\n", + phyaddr, reg); + return; + } +} + +int board_init(void) +{ +#ifndef CONFIG_USE_IRQ + irq_init(); +#endif + + /* arch number of the board */ + gd->bd->bi_arch_number = 3585; + + /* address of boot parameters, not used as booting with DTT */ + gd->bd->bi_boot_params = 0; + + /* + * Power on required peripherals + * ARM does not have access by default to PSC0 and PSC1 + * assuming here that the DSP bootloader has set the IOPU + * such that PSC access is available to ARM + */ + if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc))) + return 1; + + /* setup the SUSPSRC for ARM to control emulation suspend */ + clrbits_le32(&davinci_syscfg_regs->suspsrc, + (DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C | + DAVINCI_SYSCFG_SUSPSRC_SPI1 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 | + DAVINCI_SYSCFG_SUSPSRC_UART2)); + +#ifdef CONFIG_DRIVER_TI_EMAC + davinci_emac_mii_mode_sel(0); +#endif /* CONFIG_DRIVER_TI_EMAC */ + + /* enable the console UART */ + writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST | + DAVINCI_UART_PWREMU_MGMT_UTRST), + &davinci_uart2_ctrl_regs->pwremu_mgmt); + + return 0; +} + +#ifdef CONFIG_DRIVER_TI_EMAC +/* + * Initializes on-board ethernet controllers. + */ +int board_eth_init(bd_t *bis) +{ + if (!davinci_emac_initialize()) { + printf("Error: Ethernet init failed!\n"); + return -1; + } + + if (hwconfig_subarg_cmp("switch", "lan", "on")) + /* Switch port lan on */ + enbw_cmc_switch(1, 1); + else + enbw_cmc_switch(1, 0); + + if (hwconfig_subarg_cmp("switch", "pwl", "on")) + /* Switch port pwl on */ + enbw_cmc_switch(2, 1); + else + enbw_cmc_switch(2, 0); + + return 0; +} +#endif /* CONFIG_DRIVER_TI_EMAC */ + +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size( + (long *)CONFIG_SYS_SDRAM_BASE, + CONFIG_MAX_RAM_BANK_SIZE); + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = gd->ram_size; +} + +#ifdef CONFIG_PREBOOT +static uchar kbd_magic_prefix[] = "key_magic_"; +static uchar kbd_command_prefix[] = "key_cmd_"; + +struct kbd_data_t { + char s1; +}; + +struct kbd_data_t *get_keys(struct kbd_data_t *kbd_data) +{ + struct davinci_gpio *gpio = davinci_gpio_bank01; + unsigned long reg; + + /* read SW1 + SW2 */ + reg = readl(&gpio->in_data); + kbd_data->s1 = ((reg & 0x00003000) >> 12); + return kbd_data; +} + +static int compare_magic(const struct kbd_data_t *kbd_data, char *str) +{ + char s1 = str[0]; + + if (s1 >= '0' && s1 <= '9') + s1 -= '0'; + else if (s1 >= 'a' && s1 <= 'f') + s1 = s1 - 'a' + 10; + else if (s1 >= 'A' && s1 <= 'F') + s1 = s1 - 'A' + 10; + else + return -1; + + if (s1 != kbd_data->s1) + return -1; + + return 0; +} + +static char *key_match(const struct kbd_data_t *kbd_data) +{ + char magic[sizeof(kbd_magic_prefix) + 1]; + char *suffix; + char *kbd_magic_keys; + + /* + * The following string defines the characters that can be appended + * to "key_magic" to form the names of environment variables that + * hold "magic" key codes, i. e. such key codes that can cause + * pre-boot actions. If the string is empty (""), then only + * "key_magic" is checked (old behaviour); the string "125" causes + * checks for "key_magic1", "key_magic2" and "key_magic5", etc. + */ + kbd_magic_keys = getenv("magic_keys"); + if (kbd_magic_keys == NULL) + kbd_magic_keys = ""; + + /* loop over all magic keys; + * use '\0' suffix in case of empty string + */ + for (suffix = kbd_magic_keys; *suffix || + suffix == kbd_magic_keys; ++suffix) { + sprintf(magic, "%s%c", kbd_magic_prefix, *suffix); + + if (compare_magic(kbd_data, getenv(magic)) == 0) { + char cmd_name[sizeof(kbd_command_prefix) + 1]; + char *cmd; + + sprintf(cmd_name, "%s%c", kbd_command_prefix, *suffix); + cmd = getenv(cmd_name); + + return cmd; + } + } + + return NULL; +} +#endif /* CONFIG_PREBOOT */ + +int misc_init_r(void) +{ +#ifdef CONFIG_PREBOOT + struct kbd_data_t kbd_data; + /* Decode keys */ + char *str = strdup(key_match(get_keys(&kbd_data))); + /* Set or delete definition */ + setenv("preboot", str); + free(str); +#endif /* CONFIG_PREBOOT */ + +#ifdef CONFIG_HW_WATCHDOG + davinci_hw_watchdog_enable(); +#endif + + return 0; +} + +struct cmc_led { + char name[20]; + struct davinci_gpio *gpio; + unsigned long mask; +}; + +struct cmc_led led_table[] = { + {"led1", davinci_gpio_bank01, 0x80000000}, + {"led2", davinci_gpio_bank01, 0x00000002}, + {"led3", davinci_gpio_bank01, 0x00000004}, + {"led4", davinci_gpio_bank01, 0x00000008}, + {"led5", davinci_gpio_bank01, 0x00000010}, + {"led6", davinci_gpio_bank01, 0x00000020}, + {"led7", davinci_gpio_bank01, 0x00000040}, + {"led8", davinci_gpio_bank01, 0x00004000}, +}; + +static int cmc_get_led_state(struct cmc_led *led) +{ + struct davinci_gpio *gpio = led->gpio; + unsigned long reg; + + /* read SW1 + SW2 */ + reg = readl(&gpio->in_data); + if ((reg & led->mask) == led->mask) + return 1; + + return 0; +} + +static int cmc_set_led_state(struct cmc_led *led, int state) +{ + struct davinci_gpio *gpio = led->gpio; + unsigned long reg; + + reg = readl(&gpio->out_data); + if (state) + reg |= led->mask; + else + reg &= ~led->mask; + + writel(reg, &gpio->out_data); + return 0; +} + +static int do_led(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) +{ + struct cmc_led *led; + int found = 0; + int i = 0; + int only_print = 0; + int len = ARRAY_SIZE(led_table); + + if (argc < 2) + return cmd_usage(cmdtp); + + if (argc < 3) + only_print = 1; + + led = led_table; + while ((!found) && (i < len)) { + if (strcmp(argv[1], led->name) == 0) { + found = 1; + } else { + led++; + i++; + } + } + if (!found) + return cmd_usage(cmdtp); + + if (only_print) { + if (cmc_get_led_state(led)) + printf("on\n"); + else + printf("off\n"); + + return 0; + } + if (strcmp(argv[2], "on") == 0) + cmc_set_led_state(led, 1); + else + cmc_set_led_state(led, 0); + + return 0; +} + +U_BOOT_CMD(led, 3, 1, do_led, + "switch on/off board led", + "[name] [on/off]" +); + +#ifdef CONFIG_HW_WATCHDOG +void hw_watchdog_reset(void) +{ + davinci_hw_watchdog_reset(); +} +#endif + +#if defined(CONFIG_POST) +void arch_memory_failure_handle(void) +{ + int state = 1; + + printf("%s: blinking with LEDs\n", __func__); + while (1) { + cmc_set_led_state(&led_table[0], state); + cmc_set_led_state(&led_table[1], state); + cmc_set_led_state(&led_table[2], state); + if (state) + state = 0; + else + state = 1; + udelay(500); + } +} +#endif + +#if defined(CONFIG_BOOTCOUNT_LIMIT) +void bootcount_store(ulong a) +{ + void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; + + /* + * write RTC kick register to enable write + * for RTC Scratch registers. Cratch0 and 1 are + * used for bootcount values. + */ + out_be32(reg + 0x0c, 0x130be783); + out_be32(reg + 0x10, 0xe0f1a495); + out_be32(reg, a); + out_be32(reg + 4, BOOTCOUNT_MAGIC); +} + +ulong bootcount_load(void) +{ + void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; + + if (in_be32(reg + 4) != BOOTCOUNT_MAGIC) + return 0; + else + return in_be32(reg); +} +#endif + +void board_gpio_init(void) +{ + struct davinci_gpio *gpio = davinci_gpio_bank8; + + /* + * Counter IF: RS485 enable, low enable + * GP8[11] = Out[9] set to output and state 0 + */ + clrbits_le32(&gpio->dir, 0x00000800); + clrbits_le32(&gpio->out_data, 0x00000800); + /* + * Counter IF: Isolation RS485 + * GP8[10] = Out[10] set to output and state 0 + */ + clrbits_le32(&gpio->dir, 0x00000400); + clrbits_le32(&gpio->out_data, 0x00000400); + /* + * W2HUT: RS485 Rx enable: + * GP8[9] = Out[11] set to output and state 0 + */ + clrbits_le32(&gpio->dir, 0x00000200); + clrbits_le32(&gpio->out_data, 0x00000200); + /* + * W2HUT: Isolation RS485: + * GP8[8] = Out[12] set to output and state 0 + */ + clrbits_le32(&gpio->dir, 0x00000100); + clrbits_le32(&gpio->out_data, 0x00000100); + + gpio = davinci_gpio_bank67; + /* + * SW Reset 4 port LAN switch + * GP7[15] = Out[4] set to output state 1 + */ + clrbits_le32(&gpio->dir, 0x80000000); + setbits_le32(&gpio->out_data, 0x80000000); + /* + * Enable 11V PLC Vaa, high active + * GP7[14] = Out[3] set to output state 0 + */ + clrbits_le32(&gpio->dir, 0x40000000); + clrbits_le32(&gpio->out_data, 0x40000000); + /* + * Enable 1.5V PLC Core, high active + * GP7[13] = Out[2] set to output state 0 + */ + clrbits_le32(&gpio->dir, 0x20000000); + clrbits_le32(&gpio->out_data, 0x20000000); + /* + * Disable USB0 VBUS, low active + * GP7[12] = Out[2] set to output state 1 + */ + clrbits_le32(&gpio->dir, 0x10000000); + setbits_le32(&gpio->out_data, 0x10000000); + /* + * SW_reset for PLC modul, low active + * GP6[13] = Out[5] set to output state 1 + */ + clrbits_le32(&gpio->dir, 0x00002000); + setbits_le32(&gpio->out_data, 0x00002000); + /* + * LCM Bus Signal RS; R/W and E + * GP6[12..11] = Out[6..7] + */ + clrbits_le32(&gpio->dir, 0x00001800); + clrbits_le32(&gpio->out_data, 0x00001800); + /* + * Pairing-button for PLC Modul = Out[18] + */ + clrbits_le32(&gpio->dir, 0x00000400); + clrbits_le32(&gpio->out_data, 0x00000400); + /* + * PLC MDIO CLK + * GP6[9] = Out[14] + */ + clrbits_le32(&gpio->dir, 0x00000200); + clrbits_le32(&gpio->out_data, 0x00000200); + /* + * HK218, active high + * GP6[8] = Out[15], set to 0 + */ + clrbits_le32(&gpio->dir, 0x00000100); + clrbits_le32(&gpio->out_data, 0x00000100); + /* + * SW reset TPM ctrl., active low + * GP6[0] = Out[13], set to 1 + */ + clrbits_le32(&gpio->dir, 0x00000001); + setbits_le32(&gpio->out_data, 0x00000001); + + gpio = davinci_gpio_bank23; + /* + * LCM: Signal E + * GP2[2] = Out[8] + */ + clrbits_le32(&gpio->dir, 0x00000004); + setbits_le32(&gpio->out_data, 0x00000004); + + gpio = davinci_gpio_bank01; + /* + * PV-IF RS485 RxD Enable\ + */ + clrbits_le32(&gpio->dir, 0x00008000); + clrbits_le32(&gpio->out_data, 0x00008000); + /* + * set LED pins to output and state 0 + */ + clrbits_le32(&gpio->dir, 0x8000407e); + clrbits_le32(&gpio->out_data, 0x8000407e); + + /* + * Set the LED 1 - 4 to on + */ + cmc_set_led_state(&led_table[1], 1); + cmc_set_led_state(&led_table[2], 1); + cmc_set_led_state(&led_table[3], 1); + cmc_set_led_state(&led_table[4], 1); + return; +} diff --git a/boards.cfg b/boards.cfg index 8a5bfc1..7db43fa 100644 --- a/boards.cfg +++ b/boards.cfg @@ -128,6 +128,7 @@ davinci_dvevm arm arm926ejs dvevm davinci davinci_schmoogie arm arm926ejs schmoogie davinci davinci davinci_sffsdr arm arm926ejs sffsdr davinci davinci davinci_sonata arm arm926ejs sonata davinci davinci +enbw_cmc arm arm926ejs enbw_cmc enbw davinci km_kirkwood arm arm926ejs km_arm keymile kirkwood km_kirkwood:KM_DISABLE_PCI km_kirkwood_pci arm arm926ejs km_arm keymile kirkwood km_kirkwood mgcoge3un arm arm926ejs km_arm keymile kirkwood diff --git a/include/configs/enbw_cmc.h b/include/configs/enbw_cmc.h new file mode 100644 index 0000000..5de752f --- /dev/null +++ b/include/configs/enbw_cmc.h @@ -0,0 +1,440 @@ +/* + * (C) Copyright 2011 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * Based on: + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Based on davinci_dvevm.h. Original Copyrights follow: + * + * Copyright (C) 2007 Sergey Kubushyn ksi@koi8.net + * + * 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. + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * Board + */ +#define CONFIG_DRIVER_TI_EMAC +#define CONFIG_USE_NAND + +/* + * SoC Configuration + */ +#define CONFIG_MACH_DAVINCI_DA850_EVM +#define CONFIG_ARM926EJS /* arm926ejs CPU core */ +#define CONFIG_SOC_DA8XX /* TI DA8xx SoC */ +#define CONFIG_SYS_CLK_FREQ clk_get(DAVINCI_ARM_CLKID) +#define CONFIG_SYS_OSCIN_FREQ 24000000 +#define CONFIG_SYS_TIMERBASE DAVINCI_TIMER0_BASE +#define CONFIG_SYS_HZ_CLOCK clk_get(DAVINCI_AUXCLK_CLKID) +#define CONFIG_SYS_HZ 1000 +#define CONFIG_SKIP_LOWLEVEL_INIT +#define CONFIG_AM18018_LOWLEVEL +#define CONFIG_ARCH_CPU_INIT +#define CONFIG_HOSTNAME enbw_cmc +#define CONFIG_DISPLAY_CPUINFO + +/* + * Memory Info + */ +#define CONFIG_SYS_MALLOC_LEN (0x10000 + 1*1024*1024) /* malloc() len */ +#define PHYS_SDRAM_1 DAVINCI_DDR_EMIF_DATA_BASE /* DDR Start */ +#define PHYS_SDRAM_1_SIZE (64 << 20) /* SDRAM size 64MB */ +#define CONFIG_MAX_RAM_BANK_SIZE (512 << 20) /* max size from SPRS586*/ + +/* memtest start addr */ +#define CONFIG_SYS_MEMTEST_START (PHYS_SDRAM_1 + 0x2000000) + +/* memtest will be run on 16MB */ +#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + 0x2000000 + 16*1024*1024) + +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ +#define CONFIG_STACKSIZE (256*1024) /* regular stack */ + +/* + * Serial Driver info + */ +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE -4 /* NS16550 register size */ +#define CONFIG_SYS_NS16550_COM1 DAVINCI_UART2_BASE /* Base address of UART2 */ +#define CONFIG_SYS_NS16550_CLK clk_get(DAVINCI_UART2_CLKID) +#define CONFIG_CONS_INDEX 1 /* use UART0 for console */ +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* + * I2C Configuration + */ +#define CONFIG_HARD_I2C +#define CONFIG_DRIVER_DAVINCI_I2C +#define CONFIG_SYS_I2C_SPEED 80000 +#define CONFIG_SYS_I2C_SLAVE 10 /* Bogus, master-only in U-Boot */ +#define CONFIG_SYS_I2C_EXPANDER_ADDR 0x20 +#define CONFIG_CMD_I2C + +#define CONFIG_CMD_DTT +#define CONFIG_DTT_LM75 +#define CONFIG_DTT_SENSORS {0} /* Sensor addresses */ +#define CONFIG_SYS_DTT_MAX_TEMP 70 +#define CONFIG_SYS_DTT_LOW_TEMP -30 +#define CONFIG_SYS_DTT_HYSTERESIS 3 + +/* + * Flash & Environment + */ +#ifdef CONFIG_USE_NAND +#define CONFIG_NAND_DAVINCI +#define CONFIG_SYS_NAND_USE_FLASH_BBT +#define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST +#define CONFIG_SYS_NAND_PAGE_2K +#define CONFIG_SYS_NAND_CS 3 +#define CONFIG_SYS_NAND_BASE DAVINCI_ASYNC_EMIF_DATA_CE3_BASE +#define CONFIG_SYS_CLE_MASK 0x10 +#define CONFIG_SYS_ALE_MASK 0x8 +#undef CONFIG_SYS_NAND_HW_ECC +#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ +#define NAND_MAX_CHIPS 1 + +#define MTDIDS_DEFAULT "nor0=physmap-flash.0,nand0=davinci_nand.1" +#define MTDPARTS_DEFAULT \ + "mtdparts=" \ + "physmap-flash.0:" \ + "512k(U-Boot)," \ + "64k(env1)," \ + "64k(env2)," \ + "-(rest);" \ + "davinci_nand.1:" \ + "128k(dtb)," \ + "2m(kernel)," \ + "4m(rootfs)," \ + "-(userfs)" + + +#define CONFIG_CMD_MTDPARTS + +#endif + +/* + * Network & Ethernet Configuration + */ +#ifdef CONFIG_DRIVER_TI_EMAC +#define CONFIG_EMAC_MDIO_PHY_NUM 2 +#define CONFIG_MII +#define CONFIG_BOOTP_DEFAULT +#define CONFIG_BOOTP_DNS +#define CONFIG_BOOTP_DNS2 +#define CONFIG_BOOTP_SEND_HOSTNAME +#define CONFIG_NET_RETRY_COUNT 10 +#define CONFIG_NET_MULTI +#endif + +/* + * Flash configuration + */ +#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */ +#define CONFIG_FLASH_CFI_DRIVER 1 +#define CONFIG_SYS_FLASH_BASE 0x60000000 +#define CONFIG_SYS_FLASH_SIZE 0x01000000 +#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max num of memory banks */ +#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE } +#define CONFIG_SYS_MAX_FLASH_SECT 128 +#define CONFIG_FLASH_16BIT /* Flash is 16-bit */ + +#define CONFIG_CMD_FLASH +#define CONFIG_FLASH_SHOW_PROGRESS 99 + +#define CONFIG_ENV_IS_IN_FLASH +#define CONFIG_SYS_MONITOR_LEN 0x80000 +#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + \ + CONFIG_SYS_MONITOR_LEN) +#define CONFIG_ENV_SECT_SIZE (64 << 10) +#define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */ +#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + \ + CONFIG_ENV_SECT_SIZE) +#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE) +#undef CONFIG_ENV_IS_IN_NAND +#define CONFIG_DEFAULT_SETTINGS_ADDR (CONFIG_ENV_ADDR_REDUND + \ + CONFIG_ENV_SECT_SIZE) + +#define xstr(s) str(s) +#define str(s) #s + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "u-boot_addr_r=c0000000\0" \ + "uboot=" xstr(CONFIG_HOSTNAME) "/u-boot.bin\0" \ + "load=tftp ${u-boot_addr_r} ${uboot}\0" \ + "update=protect off " xstr(CONFIG_SYS_FLASH_BASE) " +${filesize};"\ + "erase " xstr(CONFIG_SYS_FLASH_BASE) " +${filesize};" \ + "cp.b ${u-boot_addr_r} " xstr(CONFIG_SYS_FLASH_BASE) \ + " ${filesize};" \ + "protect on " xstr(CONFIG_SYS_FLASH_BASE) " +${filesize}\0"\ + "netdev=eth0\0" \ + "rootpath=/opt/eldk-arm/arm\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw " \ + "nfsroot=${serverip}:${rootpath}\0" \ + "ramargs=setenv bootargs root=/dev/ram rw\0" \ + "addip=setenv bootargs ${bootargs} " \ + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ + ":${hostname}:${netdev}:off panic=1\0" \ + "kernel_addr_r=c0700000\0" \ + "fdt_addr_r=c0600000\0" \ + "ramdisk_addr_r=c0a00000\0" \ + "fdt_file=" xstr(CONFIG_HOSTNAME) "/" \ + xstr(CONFIG_HOSTNAME) ".dtb\0" \ + "kernel_file=" xstr(CONFIG_HOSTNAME) "/uImage \0" \ + "nand_ld_ramdsk=nand read ${ramdisk_addr_r} 220000 400000;\0" \ + "nand_ld_kernel=nand read ${kernel_addr_r} 20000 200000;\0" \ + "nand_ld_fdt=nand read ${fdt_addr_r} 0 2000;\0" \ + "load_kernel=tftp ${kernel_addr_r} ${kernel_file};\0" \ + "load_fdt=tftp ${fdt_addr_r} ${fdt_file};\0" \ + "load_nand=run nand_ld_ramdsk nand_ld_kernel nand_ld_fdt\0" \ + "addcon=setenv bootargs ${bootargs} console=ttyS2," \ + "${baudrate}n8\0" \ + "net_nfs=run load_fdt load_kernel; " \ + "run nfsargs addip addcon addmtd;" \ + "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \ + "flash_self=run load_nand ramargs addip addcon;bootm " \ + "${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \ + "bootcmd=run net_nfs\0" \ + "machid=e01\0" \ + "key_cmd0=echo hallo0\0" \ + "key_cmd1=echo hallo1\0" \ + "key_cmd2=echo hallo2\0" \ + "key_cmd3=echo hallo3\0" \ + "key_magic_0=0\0" \ + "key_magic_1=1\0" \ + "key_magic_2=2\0" \ + "key_magic_3=3\0" \ + "magic_keys=0123\0" \ + "hwconfig=switch:lan=on,pwl=off\0" \ + "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \ + "mtdids=" MTDIDS_DEFAULT "\0" \ + "mtdparts=" MTDPARTS_DEFAULT "\0" \ + "\0" + +/* + * U-Boot general configuration + */ +#define CONFIG_BOOTFILE "uImage" /* Boot file name */ +#define CONFIG_SYS_PROMPT "=> " /* Command Prompt */ +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Args Buffer Size */ +#define CONFIG_SYS_LOAD_ADDR (PHYS_SDRAM_1 + 0x700000) +#define CONFIG_VERSION_VARIABLE +#define CONFIG_AUTO_COMPLETE +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_CMDLINE_EDITING +#define CONFIG_SYS_LONGHELP +#define CONFIG_CRC32_VERIFY +#define CONFIG_MX_CYCLIC +#define CONFIG_BOOTDELAY 3 +#define CONFIG_HWCONFIG + +/* + * U-Boot commands + */ +#include <config_cmd_default.h> +#define CONFIG_CMD_ENV +#define CONFIG_CMD_ASKENV +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_DIAG +#define CONFIG_CMD_MII +#define CONFIG_CMD_PING +#define CONFIG_CMD_SAVES +#define CONFIG_CMD_MEMORY +#define CONFIG_CMD_CACHE + +#ifndef CONFIG_DRIVER_TI_EMAC +#undef CONFIG_CMD_NET +#undef CONFIG_CMD_DHCP +#undef CONFIG_CMD_MII +#undef CONFIG_CMD_PING +#endif + +#ifdef CONFIG_USE_NAND +#undef CONFIG_CMD_IMLS +#define CONFIG_CMD_NAND + +#define CONFIG_CMD_MTDPARTS +#define CONFIG_MTD_DEVICE +#define CONFIG_MTD_PARTITIONS +#define CONFIG_LZO +#define CONFIG_RBTREE +#define CONFIG_CMD_UBI +#define CONFIG_CMD_UBIFS +#endif + +#if !defined(CONFIG_USE_NAND) && \ + !defined(CONFIG_USE_NOR) && \ + !defined(CONFIG_USE_SPIFLASH) +#define CONFIG_ENV_IS_NOWHERE +#define CONFIG_SYS_NO_FLASH +#define CONFIG_ENV_SIZE (16 << 10) +#undef CONFIG_CMD_IMLS +#undef CONFIG_CMD_ENV +#endif + +#define CONFIG_SYS_TEXT_BASE 0x60000000 +#define CONFIG_SYS_SDRAM_BASE 0xc0000000 +#define CONFIG_SYS_INIT_SP_ADDR (0x8001ff00) + +#define CONFIG_VERSION_VARIABLE +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_PREBOOT "echo;" \ + "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ + "echo" +#define CONFIG_MISC_INIT_R 1 + +#define CONFIG_CMC_RESET_PIN 0x04000000 +#define CONFIG_CMC_RESET_TIMEOUT 3 + +#define CONFIG_HW_WATCHDOG +#define CONFIG_SYS_WDTTIMERBASE DAVINCI_TIMER1_BASE +#define CONFIG_SYS_WDT_PERIOD_LOW 0x0c000000 +#define CONFIG_SYS_WDT_PERIOD_HIGH 0x0 + +#define CONFIG_CMD_DATE +#define CONFIG_RTC_DAVINCI + +/* FDT support */ +#define CONFIG_OF_LIBFDT 1 + +/* LowLevel Init */ +/* PLL */ +#define CONFIG_SYS_DV_CLKMODE 0 +#define CONFIG_SYS_AM1808_PLL0_POSTDIV 1 +#define CONFIG_SYS_AM1808_PLL0_PLLDIV1 0x8000 +#define CONFIG_SYS_AM1808_PLL0_PLLDIV2 0x8001 +#define CONFIG_SYS_AM1808_PLL0_PLLDIV3 0x8002 /* 100MHz */ +#define CONFIG_SYS_AM1808_PLL0_PLLDIV4 0x8003 +#define CONFIG_SYS_AM1808_PLL0_PLLDIV5 0x8002 +#define CONFIG_SYS_AM1808_PLL0_PLLDIV6 CONFIG_SYS_AM1808_PLL0_PLLDIV1 +#define CONFIG_SYS_AM1808_PLL0_PLLDIV7 0x8005 + +#define CONFIG_SYS_AM1808_PLL1_POSTDIV 1 +#define CONFIG_SYS_AM1808_PLL1_PLLDIV1 0x8000 +#define CONFIG_SYS_AM1808_PLL1_PLLDIV2 0x8001 +#define CONFIG_SYS_AM1808_PLL1_PLLDIV3 0x8002 + +#define CONFIG_SYS_AM1808_PLL0_PLLM 37 /* PLL0 -> 456 MHz */ +#define CONFIG_SYS_AM1808_PLL1_PLLM 24 /* PLL1 -> 300 MHz */ + +/* DDR RAM */ +#define CONFIG_SYS_AM1808_DDR2_DDRPHYCR (0 | \ + (0x1 << 7) | \ + (0x1 << 6) | \ + (0x4 << 0)) + +#define CONFIG_SYS_AM1808_DDR2_SDBCR (0 | \ + (0 << DV_DDR_SDCR_DDR2TERM1_SHIFT) | \ + (0 << DV_DDR_SDCR_MSDRAMEN_SHIFT) | \ + (1 << DV_DDR_SDCR_DDR2EN_SHIFT) | \ + (0x1 << DV_DDR_SDCR_DDREN_SHIFT) | \ + (0x1 << DV_DDR_SDCR_SDRAMEN_SHIFT) | \ + (0x1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT) | \ + (0x1 << DV_DDR_SDCR_BUS_WIDTH_SHIFT) | \ + (0x3 << DV_DDR_SDCR_CL_SHIFT) | \ + (0x2 << DV_DDR_SDCR_IBANK_SHIFT) | \ + (0x2 << DV_DDR_SDCR_PAGESIZE_SHIFT)) + +#define CONFIG_SYS_AM1808_DDR2_SDBCR2 4 /* 13 row address bits */ + +/* + * freq = 132MHz -> t = 8ns + */ +#define CONFIG_SYS_AM1808_DDR2_SDTIMR (0 | \ + (0x0c << 25) | /* tRFC = 105 105/8 = 13 - 1 = 0xc */ \ + (1 << 22) | /* tRP 15/8 = 2 - 1 = 1 */ \ + (1 << 19) | /* tRCD 15/8 = 2 - 1 = 1 */ \ + (1 << 16) | /* tWR 15/8 = 2 - 1 = 1 */ \ + (5 << 11) | /* tRAS 45/8 = 6 - 1 = 5 */ \ + (7 << 6) | /* tRC 60/8 = 8 - 1 = 7 */ \ + (1 << 3) | /* tRRD 12/8 = 2 -1 = 1 */ \ + (readl(&dv_ddr2_regs_ctrl->sdtimr) & 0x4) | /* Reserved */ \ + ((2 - 1) << 0)) /* tWTR 7.5 ns min 2 clocks */ + +/* + * freq = 132MHz -> t=8ns + */ +#define CONFIG_SYS_AM1808_DDR2_SDTIMR2 (0 | \ + (readl(&dv_ddr2_regs_ctrl->sdtimr2) & 0x80000000) | /* Reserved */ \ + (8 << 27) | /* tRASMAX [(70us/7800ns)-1] */ \ + (2 << 25) | /* tXP = 2, tCKe = 3 -> 3 - 1 = 2 */ \ + (0 << 23) | /* tODT (Not supported) */ \ + (13 << 16) | /* tXSNR = tRFC + 10 = 115 115/8 = 14 - 1 = 13 */ \ + (24 << 8) | /* tXSRD = 200 200/8 = 25 - 1 = 24 */ \ + (0 << 5) | /* tRTP = 7.5 7.5/8 = 1 - 1 = 0 */ \ + (2 << 0)) /* tCKE = 3 -> 3 - 1 = 2 */ + +#define CONFIG_SYS_AM1808_DDR2_SDRCR 0x00000407 + +/* + * with Pin Setup Utility from TI + * missing GPIO pin setup + */ +#define CONFIG_SYS_AM1808_PINMUX0 0x44448888 +#define CONFIG_SYS_AM1808_PINMUX1 0x48888884 +#define CONFIG_SYS_AM1808_PINMUX2 0x88888888 +#define CONFIG_SYS_AM1808_PINMUX3 0x88888888 +#define CONFIG_SYS_AM1808_PINMUX4 0x22222288 +#define CONFIG_SYS_AM1808_PINMUX5 0x11111111 +#define CONFIG_SYS_AM1808_PINMUX6 0x11818811 +#define CONFIG_SYS_AM1808_PINMUX7 0x11111111 +#define CONFIG_SYS_AM1808_PINMUX8 0x11111111 +#define CONFIG_SYS_AM1808_PINMUX9 0x11111111 +#define CONFIG_SYS_AM1808_PINMUX10 0x11111111 +#define CONFIG_SYS_AM1808_PINMUX11 0x11111111 +#define CONFIG_SYS_AM1808_PINMUX12 0x11111111 +#define CONFIG_SYS_AM1808_PINMUX13 0x88888800 +#define CONFIG_SYS_AM1808_PINMUX14 0x00000088 +#define CONFIG_SYS_AM1808_PINMUX15 0x00000000 +#define CONFIG_SYS_AM1808_PINMUX16 0x88888880 +#define CONFIG_SYS_AM1808_PINMUX17 0x88888888 +#define CONFIG_SYS_AM1808_PINMUX18 0x88022288 +#define CONFIG_SYS_AM1808_PINMUX19 0x08022288 + +#define CONFIG_SYS_AM1808_CS2CFG 0x08624311 +#define CONFIG_SYS_AM1808_CS3CFG 0x04222310 + +/* + * NOR Bootconfiguration word: + * Method: Direc boot + * EMIFA access mode: 16 Bit + */ +#define CONFIG_SYS_DV_NOR_BOOT_CFG (0x11) + +#define CONFIG_POST (CONFIG_SYS_POST_MEMORY) +#define CONFIG_SYS_POST_WORD_ADDR 0x8001FFF0 +#define CONFIG_LOGBUFFER +#define CONFIG_SYS_CONSOLE_IS_IN_ENV + +#define CONFIG_BOOTCOUNT_LIMIT +#define CONFIG_SYS_BOOTCOUNT_ADDR 0x01c23060 + +#define CONFIG_SYS_NAND_U_BOOT_DST 0xc0080000 +#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x60004000 +#define CONFIG_SYS_NAND_U_BOOT_SIZE 0x70000 +#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_NAND_U_BOOT_DST +#define CONFIG_SYS_DCACHE_OFF +#endif /* __CONFIG_H */