FreeCalypso > hg > freecalypso-sw
changeset 130:8b0793c67f9f
nuc-fw: final preparations for the big transition
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Fri, 01 Nov 2013 08:03:23 +0000 |
parents | 7d7950d7f924 |
children | 035672b72f9b |
files | nuc-fw/bsp/Makefile nuc-fw/bsp/init_target.c nuc-fw/bsp/oldint.S nuc-fw/sysglue/Makefile nuc-fw/sysglue/appinit.c |
diffstat | 5 files changed, 117 insertions(+), 4 deletions(-) [+] |
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--- a/nuc-fw/bsp/Makefile Fri Nov 01 06:13:58 2013 +0000 +++ b/nuc-fw/bsp/Makefile Fri Nov 01 08:03:23 2013 +0000 @@ -7,8 +7,8 @@ XTOBJS= armio.o clkm.o init_target.o inth.o niq.o timer.o timer1.o timer2.o -XOBJS= ${XTOBJS} -AOBJS= ${IOBJS} +XOBJS= ${XTOBJS} oldint.o +AOBJS= ${IOBJS} oldint.o HDRS= armio.h clkm.h dma.h inth.h iq.h mem.h rhea_arm.h sim.h timer.h \ timer1.h timer2.h ulpd.h
--- a/nuc-fw/bsp/init_target.c Fri Nov 01 06:13:58 2013 +0000 +++ b/nuc-fw/bsp/init_target.c Fri Nov 01 08:03:23 2013 +0000 @@ -67,6 +67,8 @@ TM_SEC_DisableWatchdog(); #endif + freecalypso_disable_bootrom_pll(); + #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12) || (CHIPSET == 15)) /*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nuc-fw/bsp/oldint.S Fri Nov 01 08:03:23 2013 +0000 @@ -0,0 +1,70 @@ +/* + * This module contains that part of TI's int.s (INT_Initialize) code + * which does some entry-point initialization of a few Calypso registers. + * The important part for us is getting rid of whatever PLL setup + * may have been done by the BootROM-based process that got us loaded + * and running - we need to do that before we can do our own setup. + */ + + .code 32 + .text + +#define CNTL_ARM_CLK_REG 0xFFFFFD00 // CNTL_ARM_CLK register address +#define DPLL_CNTRL_REG 0xFFFF9800 // DPLL control register address +#define EXTRA_CONTROL_REG 0xFFFFFB10 // Extra Control register CONF addr +#define MPU_CTL_REG 0xFFFFFF08 // MPU_CTL register address + +#define CNTL_ARM_CLK_RST 0x1081 // Init of CNTL_ARM_CLK register + + // Use DPLL, Divide by 1 +#define DPLL_CONTROL_RST 0x2002 // Configure DPLL in default state +#define DISABLE_DU_MASK 0x0800 // Mask to Disable the DU module +#define ENABLE_DU_MASK 0xF7FF // Mask to Enable the DU module +#define MPU_CTL_RST 0x0000 // Reset value of MPU_CTL register + // - All protections disabled + + .globl freecalypso_disable_bootrom_pll +freecalypso_disable_bootrom_pll: +@ +@ Configure DPLL register with reset value +@ + ldr r1,=DPLL_CNTRL_REG @ Load address of DPLL register in R1 + ldrh r2,=DPLL_CONTROL_RST @ Load DPLL reset value in R2 + strh r2,[r1] @ Store DPLL reset value in DPLL register + +@ +@ Wait that DPLL goes in BYPASS mode +@ +Wait_DPLL_Bypass: + ldr r2,[r1] @ Load DPLL register + and r2,r2,#1 @ Perform a mask on bit 0 + cmp r2,#1 @ Compare DPLL lock bit + beq Wait_DPLL_Bypass @ Wait Bypass mode (i.e. bit[0]='0') + +@ +@ Configure CNTL_ARM_CLK register with reset value: DPLL is used to +@ generate ARM clock with division factor of 1. +@ + ldr r1,=CNTL_ARM_CLK_REG @ Load address of CNTL_ARM_CLK register in R1 + ldrh r2,=CNTL_ARM_CLK_RST @ Load CNTL_ARM_CLK reset value in R2 + strh r2,[r1] @ Store CNTL_ARM_CLK reset value in CNTL_ARM_CLK register + +@ +@ Disable/Enable the DU module by setting/resetting bit 11 to '1'/'0' +@ + ldr r1,=EXTRA_CONTROL_REG @ Load address of Extra Control register CONF +@ ldrh r2,=DISABLE_DU_MASK @ Load mask to write in Extra Control register CONF + ldrh r2,=ENABLE_DU_MASK @ Load mask to write in Extra Control register CONF + ldrh r0,[r1] @ Load Extra Control register CONF in r0 +@ orr r0,r0,r2 @ Disable DU module + and r0,r0,r2 @ Enable DU module + strh r0,[r1] @ Store configuration in Extra Control register CONF + +@ +@ Disable all MPU protections +@ + ldr r1,=MPU_CTL_REG @ Load address of MPU_CTL register + ldrh r2,=MPU_CTL_RST @ Load reset value of MPU_CTL register + strh r2,[r1] @ Store reset value of MPU_CTL register + + bx lr
--- a/nuc-fw/sysglue/Makefile Fri Nov 01 06:13:58 2013 +0000 +++ b/nuc-fw/sysglue/Makefile Fri Nov 01 08:03:23 2013 +0000 @@ -1,9 +1,14 @@ CC= arm-elf-gcc +CFLAGS= -Os -fno-builtin -mthumb-interwork -mthumb ASFLAGS=-mthumb-interwork +LD= arm-elf-ld -OBJS= irqfiq.o sysinit.o +OBJS= appinit.o irqfiq.o sysinit.o -all: ${OBJS} +all: xipcode.o + +xipcode.o: ${OBJS} + ${LD} -r -o $@ ${OBJS} clean: rm -f *.[oa] *errs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nuc-fw/sysglue/appinit.c Fri Nov 01 08:03:23 2013 +0000 @@ -0,0 +1,36 @@ +/* + * This module contains our Application_Initialize() function, + * based on the disassembly of the binary object version in the + * Leonardo semi-src. + */ + +#include "../include/config.h" + +Application_Initialize() +{ + Init_Target(); + /* + * The original version calls Init_Drivers() at this point, + * but that function is nothing more than a short sequence + * of calls to other functions, so I've inlined it. + */ +#if 0 + ABB_Sem_Create(); + ffs_main_init(); +#endif + rvf_init(); + rvm_init(); + create_tasks(); +#if 0 + SIM_Initialize(); +#endif + /* end of Init_Drivers() */ +#if CONFIG_GSM + Cust_Init_Layer1(); +#endif + Init_Serial_Flows(); +#if CONFIG_GSM + StartFrame(); +#endif + Init_Unmask_IT(); +}