diff options
Diffstat (limited to 'board/pxa255_idp')
| -rwxr-xr-x | board/pxa255_idp/Makefile | 48 | ||||
| -rwxr-xr-x | board/pxa255_idp/README | 11 | ||||
| -rwxr-xr-x | board/pxa255_idp/config.mk | 3 | ||||
| -rwxr-xr-x | board/pxa255_idp/idp_notes.txt | 46 | ||||
| -rwxr-xr-x | board/pxa255_idp/memsetup.S | 496 | ||||
| -rwxr-xr-x | board/pxa255_idp/pxa_idp.c | 140 | ||||
| -rwxr-xr-x | board/pxa255_idp/pxa_reg_calcs.out | 119 | ||||
| -rwxr-xr-x | board/pxa255_idp/pxa_reg_calcs.py | 311 | ||||
| -rwxr-xr-x | board/pxa255_idp/u-boot.lds | 55 |
9 files changed, 1229 insertions, 0 deletions
diff --git a/board/pxa255_idp/Makefile b/board/pxa255_idp/Makefile new file mode 100755 index 0000000..b5f352a --- /dev/null +++ b/board/pxa255_idp/Makefile @@ -0,0 +1,48 @@ + +# +# (C) Copyright 2000-2005 +# Wolfgang Denk, DENX Software Engineering, wd@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 +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := pxa_idp.o +SOBJS := memsetup.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/pxa255_idp/README b/board/pxa255_idp/README new file mode 100755 index 0000000..0cc2f2a --- /dev/null +++ b/board/pxa255_idp/README @@ -0,0 +1,11 @@ +Tested: + +- MMC +- Ethernet +- BL console (on serial port connector J5) +- flash support + +Todo: + +- display support +- PCMCIA support diff --git a/board/pxa255_idp/config.mk b/board/pxa255_idp/config.mk new file mode 100755 index 0000000..d2a2040 --- /dev/null +++ b/board/pxa255_idp/config.mk @@ -0,0 +1,3 @@ +#TEXT_BASE = 0xa1700000 +TEXT_BASE = 0xa3000000 +#TEXT_BASE = 0 diff --git a/board/pxa255_idp/idp_notes.txt b/board/pxa255_idp/idp_notes.txt new file mode 100755 index 0000000..4746748 --- /dev/null +++ b/board/pxa255_idp/idp_notes.txt @@ -0,0 +1,46 @@ +Notes on the Vibren PXA255 IDP. + +Chip select usage: + +CS0 - flash +CS1 - alt flash (Mdoc or main flash) +CS2 - high speed expansion bus +CS3 - Media Q, low speed exp bus +CS4 - low speed exp bus +CS5 - low speed exp bus + - IDE: offset 0x03000000 (abs: 0x17000000) + - Eth: offset 0x03400000 (abs: 0x17400000) + - core voltage latch: offset 0x03800000 (abs: 0x17800000) + - CPLD: offset 0x03C00000 (abs: 0x17C00000) + +PCMCIA Power control + +MAX1602EE w/ code pulled high (Cirrus code) +vx = 5v +vy = 3v + + Bit pattern + PWR 3,2,1,0 +vcc vpp A1VCC A0VCC A1VPP A0VPP +===================================================== +0 0 0 0 0 0 0x0 +3 (vy) 0 1 0 1 1 0xB +3 (vy) 3 (vy) 1 0 0 1 0x9 +3 (vy) 12(12in) 1 0 1 0 0xA +5 (vx) 0 0 1 1 1 0x7 +5 (vx) 5 (vx) 0 1 0 1 0x5 +5 (vx 12(12in) 0 1 1 0 0x6 + +Display power sequencing: + +- VDD applied +- within 1sec, activate scanning signals +- wait at least 50mS - scanning signals must be active before activating DISP + +Signal mapping: +Schematic LV8V31 signal name +========================================= +LCD_ENAVLCD DISP +LCD_PWR Applies VDD to board + +Both of the above signals are controlled by the CPLD diff --git a/board/pxa255_idp/memsetup.S b/board/pxa255_idp/memsetup.S new file mode 100755 index 0000000..7e485a2 --- /dev/null +++ b/board/pxa255_idp/memsetup.S @@ -0,0 +1,496 @@ +/* + * Most of this taken from Redboot hal_platform_setup.h with cleanup + * + * NOTE: I haven't clean this up considerably, just enough to get it + * running. See hal_platform_setup.h for the source. See + * board/cradle/memsetup.S for another PXA250 setup that is + * much cleaner. + * + * 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 <config.h> +#include <version.h> +#include <asm/arch/pxa-regs.h> + +DRAM_SIZE: .long CFG_DRAM_SIZE + +/* wait for coprocessor write complete */ + .macro CPWAIT reg + mrc p15,0,\reg,c2,c0,0 + mov \reg,\reg + sub pc,pc,#4 + .endm + +/* + * Memory setup + */ +.globl memsetup +memsetup: + + mov r10, lr + +#ifdef DEBUG_BLINK_ENABLE + /* 3rd blink */ + bl blink +#endif + + /* Set up GPIO pins first ----------------------------------------- */ + ldr r0, =GPSR0 + ldr r1, =CFG_GPSR0_VAL + str r1, [r0] + + ldr r0, =GPSR1 + ldr r1, =CFG_GPSR1_VAL + str r1, [r0] + + ldr r0, =GPSR2 + ldr r1, =CFG_GPSR2_VAL + str r1, [r0] + + ldr r0, =GPCR0 + ldr r1, =CFG_GPCR0_VAL + str r1, [r0] + + ldr r0, =GPCR1 + ldr r1, =CFG_GPCR1_VAL + str r1, [r0] + + ldr r0, =GPCR2 + ldr r1, =CFG_GPCR2_VAL + str r1, [r0] + + ldr r0, =GPDR0 + ldr r1, =CFG_GPDR0_VAL + str r1, [r0] + + ldr r0, =GPDR1 + ldr r1, =CFG_GPDR1_VAL + str r1, [r0] + + ldr r0, =GPDR2 + ldr r1, =CFG_GPDR2_VAL + str r1, [r0] + + ldr r0, =GAFR0_L + ldr r1, =CFG_GAFR0_L_VAL + str r1, [r0] + + ldr r0, =GAFR0_U + ldr r1, =CFG_GAFR0_U_VAL + str r1, [r0] + + ldr r0, =GAFR1_L + ldr r1, =CFG_GAFR1_L_VAL + str r1, [r0] + + ldr r0, =GAFR1_U + ldr r1, =CFG_GAFR1_U_VAL + str r1, [r0] + + ldr r0, =GAFR2_L + ldr r1, =CFG_GAFR2_L_VAL + str r1, [r0] + + ldr r0, =GAFR2_U + ldr r1, =CFG_GAFR2_U_VAL + str r1, [r0] + + ldr r0, =PSSR /* enable GPIO pins */ + ldr r1, =CFG_PSSR_VAL + str r1, [r0] + +#ifdef DEBUG_BLINK_ENABLE + /* 4th debug blink */ + bl blink +#endif + + /* ---------------------------------------------------------------- */ + /* Enable memory interface */ + /* */ + /* The sequence below is based on the recommended init steps */ + /* detailed in the Intel PXA250 Operating Systems Developers Guide, */ + /* Chapter 10. */ + /* ---------------------------------------------------------------- */ + + /* ---------------------------------------------------------------- */ + /* Step 1: Wait for at least 200 microsedonds to allow internal */ + /* clocks to settle. Only necessary after hard reset... */ + /* FIXME: can be optimized later */ + /* ---------------------------------------------------------------- */ + + ldr r3, =OSCR /* reset the OS Timer Count to zero */ + mov r2, #0 + str r2, [r3] + ldr r4, =0x300 /* really 0x2E1 is about 200usec, */ + /* so 0x300 should be plenty */ +1: + ldr r2, [r3] + cmp r4, r2 + bgt 1b + +mem_init: + + ldr r1, =MEMC_BASE /* get memory controller base addr. */ + + /* ---------------------------------------------------------------- */ + /* Step 2a: Initialize Asynchronous static memory controller */ + /* ---------------------------------------------------------------- */ + + /* MSC registers: timing, bus width, mem type */ + + /* MSC0: nCS(0,1) */ + ldr r2, =CFG_MSC0_VAL + str r2, [r1, #MSC0_OFFSET] + ldr r2, [r1, #MSC0_OFFSET] /* read back to ensure */ + /* that data latches */ + /* MSC1: nCS(2,3) */ + ldr r2, =CFG_MSC1_VAL + str r2, [r1, #MSC1_OFFSET] + ldr r2, [r1, #MSC1_OFFSET] + + /* MSC2: nCS(4,5) */ + ldr r2, =CFG_MSC2_VAL + str r2, [r1, #MSC2_OFFSET] + ldr r2, [r1, #MSC2_OFFSET] + + /* ---------------------------------------------------------------- */ + /* Step 2b: Initialize Card Interface */ + /* ---------------------------------------------------------------- */ + + /* MECR: Memory Expansion Card Register */ + ldr r2, =CFG_MECR_VAL + str r2, [r1, #MECR_OFFSET] + ldr r2, [r1, #MECR_OFFSET] + + /* MCMEM0: Card Interface slot 0 timing */ + ldr r2, =CFG_MCMEM0_VAL + str r2, [r1, #MCMEM0_OFFSET] + ldr r2, [r1, #MCMEM0_OFFSET] + + /* MCMEM1: Card Interface slot 1 timing */ + ldr r2, =CFG_MCMEM1_VAL + str r2, [r1, #MCMEM1_OFFSET] + ldr r2, [r1, #MCMEM1_OFFSET] + + /* MCATT0: Card Interface Attribute Space Timing, slot 0 */ + ldr r2, =CFG_MCATT0_VAL + str r2, [r1, #MCATT0_OFFSET] + ldr r2, [r1, #MCATT0_OFFSET] + + /* MCATT1: Card Interface Attribute Space Timing, slot 1 */ + ldr r2, =CFG_MCATT1_VAL + str r2, [r1, #MCATT1_OFFSET] + ldr r2, [r1, #MCATT1_OFFSET] + + /* MCIO0: Card Interface I/O Space Timing, slot 0 */ + ldr r2, =CFG_MCIO0_VAL + str r2, [r1, #MCIO0_OFFSET] + ldr r2, [r1, #MCIO0_OFFSET] + + /* MCIO1: Card Interface I/O Space Timing, slot 1 */ + ldr r2, =CFG_MCIO1_VAL + str r2, [r1, #MCIO1_OFFSET] + ldr r2, [r1, #MCIO1_OFFSET] + +#ifdef DEBUG_BLINK_ENABLE + /* 5th blink */ + bl blink +#endif + + /* ---------------------------------------------------------------- */ + /* Step 2c: Write FLYCNFG FIXME: what's that??? */ + /* ---------------------------------------------------------------- */ + + /* ---------------------------------------------------------------- */ + /* Step 2d: Initialize Timing for Sync Memory (SDCLK0) */ + /* ---------------------------------------------------------------- */ + + /* Before accessing MDREFR we need a valid DRI field, so we set */ + /* this to power on defaults + DRI field. */ + + ldr r3, =CFG_MDREFR_VAL + ldr r2, =0xFFF + and r3, r3, r2 + ldr r4, =0x03ca4000 + orr r4, r4, r3 + str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ + ldr r4, [r1, #MDREFR_OFFSET] + + /* Note: preserve the mdrefr value in r4 */ + + /* ---------------------------------------------------------------- */ + /* Step 3: Initialize Synchronous Static Memory (Flash/Peripherals) */ + /* ---------------------------------------------------------------- */ + + /* Initialize SXCNFG register. Assert the enable bits */ + + /* Write SXMRS to cause an MRS command to all enabled banks of */ + /* synchronous static memory. Note that SXLCR need not be written */ + /* at this time. */ + + /* FIXME: we use async mode for now */ + + /* ---------------------------------------------------------------- */ + /* Step 4: Initialize SDRAM */ + /* ---------------------------------------------------------------- */ + + /* set MDREFR according to user define with exception of a few bits */ + + ldr r4, =CFG_MDREFR_VAL + orr r4, r4, #(MDREFR_SLFRSH) + bic r4, r4, #(MDREFR_E1PIN|MDREFR_E0PIN) + str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ + ldr r4, [r1, #MDREFR_OFFSET] + + /* Step 4b: de-assert MDREFR:SLFRSH. */ + + bic r4, r4, #(MDREFR_SLFRSH) + str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ + ldr r4, [r1, #MDREFR_OFFSET] + + /* Step 4c: assert MDREFR:E1PIN and E0PIO as desired */ + + ldr r4, =CFG_MDREFR_VAL + str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ + ldr r4, [r1, #MDREFR_OFFSET] + + + /* Step 4d: write MDCNFG with MDCNFG:DEx deasserted (set to 0), to */ + /* configure but not enable each SDRAM partition pair. */ + + ldr r4, =CFG_MDCNFG_VAL + bic r4, r4, #(MDCNFG_DE0|MDCNFG_DE1) + + str r4, [r1, #MDCNFG_OFFSET] /* write back MDCNFG */ + ldr r4, [r1, #MDCNFG_OFFSET] + + /* Step 4e: Wait for the clock to the SDRAMs to stabilize, */ + /* 100..200 µsec. */ + + ldr r3, =OSCR /* reset the OS Timer Count to zero */ + mov r2, #0 + str r2, [r3] + ldr r4, =0x300 /* really 0x2E1 is about 200usec, */ + /* so 0x300 should be plenty */ +1: + ldr r2, [r3] + cmp r4, r2 + bgt 1b + + /* Step 4f: Trigger a number (usually 8) refresh cycles by */ + /* attempting non-burst read or write accesses to disabled */ + /* SDRAM, as commonly specified in the power up sequence */ + /* documented in SDRAM data sheets. The address(es) used */ + /* for this purpose must not be cacheable. */ + + ldr r3, =CFG_DRAM_BASE + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + + /* Step 4g: Write MDCNFG with enable bits asserted */ + /* (MDCNFG:DEx set to 1). */ + + ldr r3, [r1, #MDCNFG_OFFSET] + orr r3, r3, #(MDCNFG_DE0|MDCNFG_DE1) + str r3, [r1, #MDCNFG_OFFSET] + + /* Step 4h: Write MDMRS. */ + + ldr r2, =CFG_MDMRS_VAL + str r2, [r1, #MDMRS_OFFSET] + + /* We are finished with Intel's memory controller initialisation */ +#if 0 + /* FIXME turn on serial ports */ + /* look into moving this to board_init() */ + ldr r2, =(PXA_CS5_PHYS + 0x03C0002c) + mov r3, #0x13 + str r3, [r2] +#endif + +#ifdef DEBUG_BLINK_ENABLE + /* 6th blink */ + bl blink +#endif + + /* ---------------------------------------------------------------- */ + /* Disable (mask) all interrupts at interrupt controller */ + /* ---------------------------------------------------------------- */ + +initirqs: + + mov r1, #0 /* clear int. level register (IRQ, not FIQ) */ + ldr r2, =ICLR + str r1, [r2] + + ldr r2, =ICMR /* mask all interrupts at the controller */ + str r1, [r2] + + /* ---------------------------------------------------------------- */ + /* Clock initialisation */ + /* ---------------------------------------------------------------- */ + +initclks: + + /* Disable the peripheral clocks, and set the core clock frequency */ + /* (hard-coding at 398.12MHz for now). */ + + /* Turn Off ALL on-chip peripheral clocks for re-configuration */ + /* Note: See label 'ENABLECLKS' for the re-enabling */ +#if 0 + ldr r1, =CKEN + mov r2, #0 + str r2, [r1] + + /* default value in case no valid rotary switch setting is found */ + ldr r2, =(CCCR_L27|CCCR_M2|CCCR_N10) /* DEFAULT: {200/200/100} */ + + /* ... and write the core clock config register */ + ldr r1, =CCCR + str r2, [r1] + +#endif + +#ifdef RTC + /* enable the 32Khz oscillator for RTC and PowerManager */ + + ldr r1, =OSCC + mov r2, #OSCC_OON + str r2, [r1] + + /* NOTE: spin here until OSCC.OOK get set, meaning the PLL */ + /* has settled. */ +60: + ldr r2, [r1] + ands r2, r2, #1 + beq 60b +#endif + + /* ---------------------------------------------------------------- */ + /* */ + /* ---------------------------------------------------------------- */ + + /* Save SDRAM size */ + ldr r1, =DRAM_SIZE + str r8, [r1] + + /* Interrupt init: Mask all interrupts */ + ldr r0, =ICMR /* enable no sources */ + mov r1, #0 + str r1, [r0] + + /* FIXME */ + +#define NODEBUG +#ifdef NODEBUG + /*Disable software and data breakpoints */ + mov r0,#0 + mcr p15,0,r0,c14,c8,0 /* ibcr0 */ + mcr p15,0,r0,c14,c9,0 /* ibcr1 */ + mcr p15,0,r0,c14,c4,0 /* dbcon */ + + /*Enable all debug functionality */ + mov r0,#0x80000000 + mcr p14,0,r0,c10,c0,0 /* dcsr */ +#endif + + /* ---------------------------------------------------------------- */ + /* End memsetup */ + /* ---------------------------------------------------------------- */ + +#ifdef DEBUG_BLINK_ENABLE + /* 7th blink */ + bl blink +#endif + +endmemsetup: + + mov pc, r10 + + +#ifdef DEBUG_BLINK_ENABLE + +/* debug LED code */ + +/* delay about 200ms */ +delay: + + /* reset OSCR to 0 */ + ldr r8, =OSCR + mov r9, #0 + str r9, [r8] + + /* make sure new value has stuck */ +1: + ldr r8, =OSCR + ldr r9, [r8] + mov r8, #0x10000 + cmp r9, r8 + bgt 1b + + /* now, wait for delay to expire */ +1: + ldr r8, =OSCR + ldr r9, [r8] + mov r8, #0xd4000 + cmp r8, r9 + bgt 1b + + mov pc, lr + +/* blink code -- trashes r7, r8, r9 */ + +.globl blink +blink: + + mov r7, lr + + /* set GPIO10 as outout */ + ldr r8, =GPDR0 + ldr r9, [r8] + orr r9, r9, #(1<<10) + str r9, [r8] + + /* turn LED off */ + mov r9, #(1<<10) + ldr r8, =GPCR0 + str r9, [r8] + bl delay + + /* turn LED on */ + mov r9, #(1<<10) + ldr r8, =GPSR0 + str r9, [r8] + bl delay + + /* turn LED off */ + mov r9, #(1<<10) + ldr r8, =GPCR0 + str r9, [r8] + + mov pc, r7 + +#endif diff --git a/board/pxa255_idp/pxa_idp.c b/board/pxa255_idp/pxa_idp.c new file mode 100755 index 0000000..d5b993a --- /dev/null +++ b/board/pxa255_idp/pxa_idp.c @@ -0,0 +1,140 @@ +/* + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2004 + * BEC Systems <http://bec-systems.com> + * Cliff Brake <cliff.brake@gmail.com> + * Support for Accelent/Vibren PXA255 IDP + * + * 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 <common.h> +#include <command.h> + +/* ------------------------------------------------------------------------- */ + + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* memory and cpu-speed are setup before relocation */ + /* so we do _nothing_ here */ + + /* arch number of Lubbock-Board */ + gd->bd->bi_arch_number = MACH_TYPE_PXA_IDP; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0xa0000100; + + /* turn on serial ports */ + *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C0002c) = 0x13; + + /* set PWM for LCD */ + /* a value that works is 60Hz, 77% duty cycle */ + CKEN |= CKEN0_PWM0; + PWM_CTRL0 = 0x3f; + PWM_PERVAL0 = 0x3ff; + PWM_PWDUTY0 = 792; + + /* clear reset to AC97 codec */ + CKEN |= CKEN2_AC97; + GCR = GCR_COLD_RST; + + /* enable LCD backlight */ + /* *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C00030) = 0x7; */ + + /* test display */ + /* lcd_puts("This is a test\nTest #2\n"); */ + + return 0; +} + +int board_late_init(void) +{ + setenv("stdout", "serial"); + setenv("stderr", "serial"); + return 0; +} + + +int dram_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; + gd->bd->bi_dram[2].start = PHYS_SDRAM_3; + gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; + gd->bd->bi_dram[3].start = PHYS_SDRAM_4; + gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; + + return 0; +} + + +#ifdef DEBUG_BLINKC_ENABLE + +void delay_c(void) +{ + /* reset OSCR to 0 */ + OSCR = 0; + while(OSCR > 0x10000) + ; + + while(OSCR < 0xd4000) + ; +} + +void blink_c(void) +{ + int led_bit = (1<<10); + + GPDR0 = led_bit; + GPCR0 = led_bit; + delay_c(); + GPSR0 = led_bit; + delay_c(); + GPCR0 = led_bit; +} + +int do_idpcmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + printf("IDPCMD started\n"); + return 0; +} + +U_BOOT_CMD(idpcmd, CFG_MAXARGS, 0, do_idpcmd, + "idpcmd - custom IDP command\n", + "no args at this time\n" +); + +#endif diff --git a/board/pxa255_idp/pxa_reg_calcs.out b/board/pxa255_idp/pxa_reg_calcs.out new file mode 100755 index 0000000..bda9946 --- /dev/null +++ b/board/pxa255_idp/pxa_reg_calcs.out @@ -0,0 +1,119 @@ +gafr0_l: 0x80001005 +gafr0_u: 0xa5128012 +gafr1_l: 0x699a9558 +gafr1_u: 0xaaa5aa6a +gafr2_l: 0xaaaaaaaa +gafr2_u: 0x2 +gpcr0: 0x1800400 +gpcr1: 0x0 +gpcr2: 0x0 +gpdr0: 0xc1818440 +gpdr1: 0xfcffab82 +gpdr2: 0x1ffff +gpsr0: 0x8000 +gpsr1: 0x3f0002 +gpsr2: 0x1c000 + + +#define CFG_GAFR0_L_VAL 0x80001005 +#define CFG_GAFR0_U_VAL 0xa5128012 +#define CFG_GAFR1_L_VAL 0x699a9558 +#define CFG_GAFR1_U_VAL 0xaaa5aa6a +#define CFG_GAFR2_L_VAL 0xaaaaaaaa +#define CFG_GAFR2_U_VAL 0x2 +#define CFG_GPCR0_VAL 0x1800400 +#define CFG_GPCR1_VAL 0x0 +#define CFG_GPCR2_VAL 0x0 +#define CFG_GPDR0_VAL 0xc1818440 +#define CFG_GPDR1_VAL 0xfcffab82 +#define CFG_GPDR2_VAL 0x1ffff +#define CFG_GPSR0_VAL 0x8000 +#define CFG_GPSR1_VAL 0x3f0002 +#define CFG_GPSR2_VAL 0x1c000 + + +GPIO: 0, dir=0, set=0, clr=0, alt=none, desc=USER_RESET# +GPIO: 1, dir=0, set=0, clr=0, alt=gpio reset, desc=USER_RESET# +GPIO: 2, dir=0, set=0, clr=0, alt=gpio, desc=BAT_DATA +GPIO: 3, dir=0, set=0, clr=0, alt=gpio, desc=MQ_IRQ# +GPIO: 4, dir=0, set=0, clr=0, alt=gpio, desc=IRQ_ETH +GPIO: 5, dir=0, set=0, clr=0, alt=gpio, desc=IRQ_TOUCH# +GPIO: 6, dir=1, set=0, clr=0, alt=MMC clk, desc=MMC_CLK +GPIO: 7, dir=0, set=0, clr=0, alt=gpio, desc=PCC_S0_CD# +GPIO: 8, dir=0, set=0, clr=0, alt=gpio, desc=PCC_S1_CD# +GPIO: 9, dir=0, set=0, clr=0, alt=gpio, desc=MMC_CD# +GPIO: 10, dir=1, set=0, clr=1, alt=gpio, desc=GPIO_10/RTC_CLK/debug LED +GPIO: 11, dir=0, set=0, clr=0, alt=gpio, desc=3M6_CLK +GPIO: 12, dir=0, set=0, clr=0, alt=gpio, desc=GPIO_12/32K_CLK +GPIO: 13, dir=0, set=0, clr=0, alt=gpio, desc=MBGNT +GPIO: 14, dir=0, set=0, clr=0, alt=gpio, desc=MBREQ +GPIO: 15, dir=1, set=1, clr=0, alt=nCS_1, desc=CS1# +GPIO: 16, dir=1, set=0, clr=0, alt=PWM0, desc=PWM0 +GPIO: 17, dir=0, set=0, clr=0, alt=gpio, desc=IRQ_AXB +GPIO: 18, dir=0, set=0, clr=0, alt=RDY, desc=RDY +GPIO: 19, dir=0, set=0, clr=0, alt=gpio, desc=XB_DREQ1, PCC_SO_IRQ_O# +GPIO: 20, dir=0, set=0, clr=0, alt=gpio, desc=XB_DREQ0 +GPIO: 21, dir=0, set=0, clr=0, alt=gpio, desc=IRQ_IDE, PFI +GPIO: 22, dir=0, set=0, clr=0, alt=gpio, desc=Consumer IR, PCC_S1_IRQ_O# +GPIO: 23, dir=1, set=0, clr=1, alt=SSP SCLK, desc=SSP_SCLK +GPIO: 24, dir=1, set=0, clr=1, alt=SSP SFRM, desc=SSP_SFRM +GPIO: 25, dir=0, set=0, clr=0, alt=gpio, desc=SSP_TXD +GPIO: 26, dir=0, set=0, clr=0, alt=SSP RXD, desc=SSP_RXD +GPIO: 27, dir=0, set=0, clr=0, alt=gpio, desc=SSP_EXTCLK +GPIO: 28, dir=0, set=0, clr=0, alt=AC97 bitclk in, I2S bitclock out, desc=AC_BITCLK +GPIO: 29, dir=0, set=0, clr=0, alt=AC97 SDATA_IN0, desc=AUD_SDIN0 +GPIO: 30, dir=1, set=0, clr=0, alt=AC97 SDATA_OUT, desc=AC_SDOUT +GPIO: 31, dir=1, set=0, clr=0, alt=AC97 SYNC, desc=AC_SYNC +GPIO: 32, dir=0, set=0, clr=0, alt=gpio, desc=AUD_SDIN1 +GPIO: 33, dir=1, set=1, clr=0, alt=nCS_5, desc=CS5# +GPIO: 34, dir=0, set=0, clr=0, alt=FF RXD, desc=FF_RXD +GPIO: 35, dir=0, set=0, clr=0, alt=FF CTS, desc=FF_CTS +GPIO: 36, dir=0, set=0, clr=0, alt=FF DCD, desc=FF_DCD +GPIO: 37, dir=0, set=0, clr=0, alt=FF DSR, desc=FF_DSR +GPIO: 38, dir=0, set=0, clr=0, alt=FF RI, desc=FF_RI +GPIO: 39, dir=1, set=0, clr=0, alt=FF TXD, desc=FF_TXD +GPIO: 40, dir=1, set=0, clr=0, alt=FF DTR, desc=FF_DTR +GPIO: 41, dir=1, set=0, clr=0, alt=FF RTS, desc=FF_RTS +GPIO: 42, dir=0, set=0, clr=0, alt=BT RXD, desc=BT_RXD +GPIO: 43, dir=1, set=0, clr=0, alt=BT TXD, desc=BT_TXD +GPIO: 44, dir=0, set=0, clr=0, alt=BT CTS, desc=BT_CTS +GPIO: 45, dir=1, set=0, clr=0, alt=BT RTS, desc=BT_RTS +GPIO: 46, dir=0, set=0, clr=0, alt=STD RXD, desc=IR_RXD +GPIO: 47, dir=1, set=0, clr=0, alt=STD TXD, desc=IR_TXD +GPIO: 48, dir=1, set=1, clr=0, alt=nPOE, desc=PCC_OE# +GPIO: 49, dir=1, set=1, clr=0, alt=nPWE, desc=PCC_WE# +GPIO: 50, dir=1, set=1, clr=0, alt=nPIOR, desc=PCC_IOR# +GPIO: 51, dir=1, set=1, clr=0, alt=nPIOW, desc=PCC_IOW# +GPIO: 52, dir=1, set=1, clr=0, alt=nPCE[1], desc=PCC_CE1# +GPIO: 53, dir=1, set=1, clr=0, alt=nPCE[2], desc=PCC_CE2# +GPIO: 54, dir=1, set=0, clr=0, alt=nPSKSEL, desc=PCC_SCKSEL +GPIO: 55, dir=1, set=0, clr=0, alt=nPREG, desc=PCC_REG# +GPIO: 56, dir=0, set=0, clr=0, alt=nPWAIT, desc=PCC_WAIT# +GPIO: 57, dir=0, set=0, clr=0, alt=nIOIS16, desc=PCC_IOIS16# +GPIO: 58, dir=1, set=0, clr=0, alt=LDD[0], desc=LDD0 +GPIO: 59, dir=1, set=0, clr=0, alt=LDD[1], desc=LDD1 +GPIO: 60, dir=1, set=0, clr=0, alt=LDD[2], desc=LDD2 +GPIO: 61, dir=1, set=0, clr=0, alt=LDD[3], desc=LDD3 +GPIO: 62, dir=1, set=0, clr=0, alt=LDD[4], desc=LDD4 +GPIO: 63, dir=1, set=0, clr=0, alt=LDD[5], desc=LDD5 +GPIO: 64, dir=1, set=0, clr=0, alt=LDD[6], desc=LDD6 +GPIO: 65, dir=1, set=0, clr=0, alt=LDD[7], desc=LDD7 +GPIO: 66, dir=1, set=0, clr=0, alt=LDD[8], desc=LDD8 +GPIO: 67, dir=1, set=0, clr=0, alt=LDD[9], desc=LDD9 +GPIO: 68, dir=1, set=0, clr=0, alt=LDD[10], desc=LDD10 +GPIO: 69, dir=1, set=0, clr=0, alt=LDD[11], desc=LDD11 +GPIO: 70, dir=1, set=0, clr=0, alt=LDD[12], desc=LDD12 +GPIO: 71, dir=1, set=0, clr=0, alt=LDD[13], desc=LDD13 +GPIO: 72, dir=1, set=0, clr=0, alt=LDD[14], desc=LDD14 +GPIO: 73, dir=1, set=0, clr=0, alt=LDD[15], desc=LDD15 +GPIO: 74, dir=1, set=0, clr=0, alt=LCD_FCLK, desc=FCLK +GPIO: 75, dir=1, set=0, clr=0, alt=LCD_LCLK, desc=LCLK +GPIO: 76, dir=1, set=0, clr=0, alt=LCD_PCLK, desc=PCLK +GPIO: 77, dir=1, set=0, clr=0, alt=LCD_ACBIAS, desc=ACBIAS +GPIO: 78, dir=1, set=1, clr=0, alt=nCS_2, desc=CS2# +GPIO: 79, dir=1, set=1, clr=0, alt=nCS_3, desc=CS3# +GPIO: 80, dir=1, set=1, clr=0, alt=nCS_4, desc=CS4# +GPIO: 81, dir=0, set=0, clr=0, alt=gpio, desc= +GPIO: 82, dir=0, set=0, clr=0, alt=gpio, desc= +GPIO: 83, dir=0, set=0, clr=0, alt=gpio, desc= +GPIO: 84, dir=0, set=0, clr=0, alt=gpio, desc= diff --git a/board/pxa255_idp/pxa_reg_calcs.py b/board/pxa255_idp/pxa_reg_calcs.py new file mode 100755 index 0000000..c4bcb4b --- /dev/null +++ b/board/pxa255_idp/pxa_reg_calcs.py @@ -0,0 +1,311 @@ +#!/usr/bin/python + +# (C) Copyright 2004 +# BEC Systems <http://bec-systems.com> +# Cliff Brake <cliff.brake@gmail.com> + +# 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 + +# calculations for PXA255 registers + +class gpio: + dir = '0' + set = '0' + clr = '0' + alt = '0' + desc = '' + + def __init__(self, dir=0, set=0, clr=0, alt=0, desc=''): + self.dir = dir + self.set = set + self.clr = clr + self.alt = alt + self.desc = desc + + +# the following is a dictionary of all GPIOs in the system +# the key is the GPIO number + + +pxa255_alt_func = { + 0: ['gpio', 'none', 'none', 'none'], + 1: ['gpio', 'gpio reset', 'none', 'none'], + 2: ['gpio', 'none', 'none', 'none'], + 3: ['gpio', 'none', 'none', 'none'], + 4: ['gpio', 'none', 'none', 'none'], + 5: ['gpio', 'none', 'none', 'none'], + 6: ['gpio', 'MMC clk', 'none', 'none'], + 7: ['gpio', '48MHz clock', 'none', 'none'], + 8: ['gpio', 'MMC CS0', 'none', 'none'], + 9: ['gpio', 'MMC CS1', 'none', 'none'], + 10: ['gpio', 'RTC Clock', 'none', 'none'], + 11: ['gpio', '3.6MHz', 'none', 'none'], + 12: ['gpio', '32KHz', 'none', 'none'], + 13: ['gpio', 'none', 'MBGNT', 'none'], + 14: ['gpio', 'MBREQ', 'none', 'none'], + 15: ['gpio', 'none', 'nCS_1', 'none'], + 16: ['gpio', 'none', 'PWM0', 'none'], + 17: ['gpio', 'none', 'PWM1', 'none'], + 18: ['gpio', 'RDY', 'none', 'none'], + 19: ['gpio', 'DREQ[1]', 'none', 'none'], + 20: ['gpio', 'DREQ[0]', 'none', 'none'], + 21: ['gpio', 'none', 'none', 'none'], + 22: ['gpio', 'none', 'none', 'none'], + 23: ['gpio', 'none', 'SSP SCLK', 'none'], + 24: ['gpio', 'none', 'SSP SFRM', 'none'], + 25: ['gpio', 'none', 'SSP TXD', 'none'], + 26: ['gpio', 'SSP RXD', 'none', 'none'], + 27: ['gpio', 'SSP EXTCLK', 'none', 'none'], + 28: ['gpio', 'AC97 bitclk in, I2S bitclock out', 'I2S bitclock in', 'none'], + 29: ['gpio', 'AC97 SDATA_IN0', 'I2S SDATA_IN', 'none'], + 30: ['gpio', 'I2S SDATA_OUT', 'AC97 SDATA_OUT', 'none'], + 31: ['gpio', 'I2S SYNC', 'AC97 SYNC', 'none'], + 32: ['gpio', 'AC97 SDATA_IN1', 'I2S SYSCLK', 'none'], + 33: ['gpio', 'none', 'nCS_5', 'none'], + 34: ['gpio', 'FF RXD', 'MMC CS0', 'none'], + 35: ['gpio', 'FF CTS', 'none', 'none'], + 36: ['gpio', 'FF DCD', 'none', 'none'], + 37: ['gpio', 'FF DSR', 'none', 'none'], + 38: ['gpio', 'FF RI', 'none', 'none'], + 39: ['gpio', 'MMC CS1', 'FF TXD', 'none'], + 40: ['gpio', 'none', 'FF DTR', 'none'], + 41: ['gpio', 'none', 'FF RTS', 'none'], + 42: ['gpio', 'BT RXD', 'none', 'HW RXD'], + 43: ['gpio', 'none', 'BT TXD', 'HW TXD'], + 44: ['gpio', 'BT CTS', 'none', 'HW CTS'], + 45: ['gpio', 'none', 'BT RTS', 'HW RTS'], + 46: ['gpio', 'ICP_RXD', 'STD RXD', 'none'], + 47: ['gpio', 'STD TXD', 'ICP_TXD', 'none'], + 48: ['gpio', 'HW TXD', 'nPOE', 'none'], + 49: ['gpio', 'HW RXD', 'nPWE', 'none'], + 50: ['gpio', 'HW CTS', 'nPIOR', 'none'], + 51: ['gpio', 'nPIOW', 'HW RTS', 'none'], + 52: ['gpio', 'none', 'nPCE[1]', 'none'], + 53: ['gpio', 'MMC CLK', 'nPCE[2]', 'none'], + 54: ['gpio', 'MMC CLK', 'nPSKSEL', 'none'], + 55: ['gpio', 'none', 'nPREG', 'none'], + 56: ['gpio', 'nPWAIT', 'none', 'none'], + 57: ['gpio', 'nIOIS16', 'none', 'none'], + 58: ['gpio', 'none', 'LDD[0]', 'none'], + 59: ['gpio', 'none', 'LDD[1]', 'none'], + 60: ['gpio', 'none', 'LDD[2]', 'none'], + 61: ['gpio', 'none', 'LDD[3]', 'none'], + 62: ['gpio', 'none', 'LDD[4]', 'none'], + 63: ['gpio', 'none', 'LDD[5]', 'none'], + 64: ['gpio', 'none', 'LDD[6]', 'none'], + 65: ['gpio', 'none', 'LDD[7]', 'none'], + 66: ['gpio', 'MBREQ', 'LDD[8]', 'none'], + 67: ['gpio', 'MMC CS0', 'LDD[9]', 'none'], + 68: ['gpio', 'MMC CS1', 'LDD[10]', 'none'], + 69: ['gpio', 'MMC CLK', 'LDD[11]', 'none'], + 70: ['gpio', 'RTC CLK', 'LDD[12]', 'none'], + 71: ['gpio', '3.6 MHz', 'LDD[13]', 'none'], + 72: ['gpio', '32 KHz', 'LDD[14]', 'none'], + 73: ['gpio', 'MBGNT', 'LDD[15]', 'none'], + 74: ['gpio', 'none', 'LCD_FCLK', 'none'], + 75: ['gpio', 'none', 'LCD_LCLK', 'none'], + 76: ['gpio', 'none', 'LCD_PCLK', 'none'], + 77: ['gpio', 'none', 'LCD_ACBIAS', 'none'], + 78: ['gpio', 'none', 'nCS_2', 'none'], + 79: ['gpio', 'none', 'nCS_3', 'none'], + 80: ['gpio', 'none', 'nCS_4', 'none'], + 81: ['gpio', 'NSSPSCLK', 'none', 'none'], + 82: ['gpio', 'NSSPSFRM', 'none', 'none'], + 83: ['gpio', 'NSSPTXD', 'NSSPRXD', 'none'], + 84: ['gpio', 'NSSPTXD', 'NSSPRXD', 'none'], +} + + +#def __init__(self, dir=0, set=0, clr=0, alt=0, desc=''): + +gpio_list = [] + +for i in range(0,85): + gpio_list.append(gpio()) + +#chip select GPIOs +gpio_list[18] = gpio(0, 0, 0, 1, 'RDY') +gpio_list[33] = gpio(1, 1, 0, 2, 'CS5#') +gpio_list[80] = gpio(1, 1, 0, 2, 'CS4#') +gpio_list[79] = gpio(1, 1, 0, 2, 'CS3#') +gpio_list[78] = gpio(1, 1, 0, 2, 'CS2#') +gpio_list[15] = gpio(1, 1, 0, 2, 'CS1#') +gpio_list[22] = gpio(0, 0, 0, 0, 'Consumer IR, PCC_S1_IRQ_O#') +gpio_list[21] = gpio(0, 0, 0, 0, 'IRQ_IDE, PFI') +gpio_list[19] = gpio(0, 0, 0, 0, 'XB_DREQ1, PCC_SO_IRQ_O#') +gpio_list[20] = gpio(0, 0, 0, 0, 'XB_DREQ0') +gpio_list[20] = gpio(0, 0, 0, 0, 'XB_DREQ0') +gpio_list[17] = gpio(0, 0, 0, 0, 'IRQ_AXB') +gpio_list[16] = gpio(1, 0, 0, 2, 'PWM0') + +# PCMCIA stuff +gpio_list[57] = gpio(0, 0, 0, 1, 'PCC_IOIS16#') +gpio_list[56] = gpio(0, 0, 0, 1, 'PCC_WAIT#') +gpio_list[55] = gpio(1, 0, 0, 2, 'PCC_REG#') +gpio_list[54] = gpio(1, 0, 0, 2, 'PCC_SCKSEL') +gpio_list[53] = gpio(1, 1, 0, 2, 'PCC_CE2#') +gpio_list[52] = gpio(1, 1, 0, 2, 'PCC_CE1#') +gpio_list[51] = gpio(1, 1, 0, 1, 'PCC_IOW#') +gpio_list[50] = gpio(1, 1, 0, 2, 'PCC_IOR#') +gpio_list[49] = gpio(1, 1, 0, 2, 'PCC_WE#') +gpio_list[48] = gpio(1, 1, 0, 2, 'PCC_OE#') + +# SSP port +gpio_list[26] = gpio(0, 0, 0, 1, 'SSP_RXD') +gpio_list[25] = gpio(0, 0, 0, 0, 'SSP_TXD') +gpio_list[24] = gpio(1, 0, 1, 2, 'SSP_SFRM') +gpio_list[23] = gpio(1, 0, 1, 2, 'SSP_SCLK') +gpio_list[27] = gpio(0, 0, 0, 0, 'SSP_EXTCLK') + +# audio codec +gpio_list[32] = gpio(0, 0, 0, 0, 'AUD_SDIN1') +gpio_list[31] = gpio(1, 0, 0, 2, 'AC_SYNC') +gpio_list[30] = gpio(1, 0, 0, 2, 'AC_SDOUT') +gpio_list[29] = gpio(0, 0, 0, 1, 'AUD_SDIN0') +gpio_list[28] = gpio(0, 0, 0, 1, 'AC_BITCLK') + +# serial ports +gpio_list[39] = gpio(1, 0, 0, 2, 'FF_TXD') +gpio_list[34] = gpio(0, 0, 0, 1, 'FF_RXD') +gpio_list[41] = gpio(1, 0, 0, 2, 'FF_RTS') +gpio_list[35] = gpio(0, 0, 0, 1, 'FF_CTS') +gpio_list[40] = gpio(1, 0, 0, 2, 'FF_DTR') +gpio_list[37] = gpio(0, 0, 0, 1, 'FF_DSR') +gpio_list[38] = gpio(0, 0, 0, 1, 'FF_RI') +gpio_list[36] = gpio(0, 0, 0, 1, 'FF_DCD') + +gpio_list[43] = gpio(1, 0, 0, 2, 'BT_TXD') +gpio_list[42] = gpio(0, 0, 0, 1, 'BT_RXD') +gpio_list[45] = gpio(1, 0, 0, 2, 'BT_RTS') +gpio_list[44] = gpio(0, 0, 0, 1, 'BT_CTS') + +gpio_list[47] = gpio(1, 0, 0, 1, 'IR_TXD') +gpio_list[46] = gpio(0, 0, 0, 2, 'IR_RXD') + +# misc GPIO signals +gpio_list[14] = gpio(0, 0, 0, 0, 'MBREQ') +gpio_list[13] = gpio(0, 0, 0, 0, 'MBGNT') +gpio_list[12] = gpio(0, 0, 0, 0, 'GPIO_12/32K_CLK') +gpio_list[11] = gpio(0, 0, 0, 0, '3M6_CLK') +gpio_list[10] = gpio(1, 0, 1, 0, 'GPIO_10/RTC_CLK/debug LED') +gpio_list[9] = gpio(0, 0, 0, 0, 'MMC_CD#') +gpio_list[8] = gpio(0, 0, 0, 0, 'PCC_S1_CD#') +gpio_list[7] = gpio(0, 0, 0, 0, 'PCC_S0_CD#') +gpio_list[6] = gpio(1, 0, 0, 1, 'MMC_CLK') +gpio_list[5] = gpio(0, 0, 0, 0, 'IRQ_TOUCH#') +gpio_list[4] = gpio(0, 0, 0, 0, 'IRQ_ETH') +gpio_list[3] = gpio(0, 0, 0, 0, 'MQ_IRQ#') +gpio_list[2] = gpio(0, 0, 0, 0, 'BAT_DATA') +gpio_list[1] = gpio(0, 0, 0, 1, 'USER_RESET#') +gpio_list[0] = gpio(0, 0, 0, 1, 'USER_RESET#') + +# LCD GPIOs +gpio_list[58] = gpio(1, 0, 0, 2, 'LDD0') +gpio_list[59] = gpio(1, 0, 0, 2, 'LDD1') +gpio_list[60] = gpio(1, 0, 0, 2, 'LDD2') +gpio_list[61] = gpio(1, 0, 0, 2, 'LDD3') +gpio_list[62] = gpio(1, 0, 0, 2, 'LDD4') +gpio_list[63] = gpio(1, 0, 0, 2, 'LDD5') +gpio_list[64] = gpio(1, 0, 0, 2, 'LDD6') +gpio_list[65] = gpio(1, 0, 0, 2, 'LDD7') +gpio_list[66] = gpio(1, 0, 0, 2, 'LDD8') +gpio_list[67] = gpio(1, 0, 0, 2, 'LDD9') +gpio_list[68] = gpio(1, 0, 0, 2, 'LDD10') +gpio_list[69] = gpio(1, 0, 0, 2, 'LDD11') +gpio_list[70] = gpio(1, 0, 0, 2, 'LDD12') +gpio_list[71] = gpio(1, 0, 0, 2, 'LDD13') +gpio_list[72] = gpio(1, 0, 0, 2, 'LDD14') +gpio_list[73] = gpio(1, 0, 0, 2, 'LDD15') +gpio_list[74] = gpio(1, 0, 0, 2, 'FCLK') +gpio_list[75] = gpio(1, 0, 0, 2, 'LCLK') +gpio_list[76] = gpio(1, 0, 0, 2, 'PCLK') +gpio_list[77] = gpio(1, 0, 0, 2, 'ACBIAS') + +# calculate registers +pxa_regs = { + 'gpdr0':0, 'gpdr1':0, 'gpdr2':0, + 'gpsr0':0, 'gpsr1':0, 'gpsr2':0, + 'gpcr0':0, 'gpcr1':0, 'gpcr2':0, + 'gafr0_l':0, 'gafr0_u':0, + 'gafr1_l':0, 'gafr1_u':0, + 'gafr2_l':0, 'gafr2_u':0, +} + +# U-boot define names +uboot_reg_names = { + 'gpdr0':'CFG_GPDR0_VAL', 'gpdr1':'CFG_GPDR1_VAL', 'gpdr2':'CFG_GPDR2_VAL', + 'gpsr0':'CFG_GPSR0_VAL', 'gpsr1':'CFG_GPSR1_VAL', 'gpsr2':'CFG_GPSR2_VAL', + 'gpcr0':'CFG_GPCR0_VAL', 'gpcr1':'CFG_GPCR1_VAL', 'gpcr2':'CFG_GPCR2_VAL', + 'gafr0_l':'CFG_GAFR0_L_VAL', 'gafr0_u':'CFG_GAFR0_U_VAL', + 'gafr1_l':'CFG_GAFR1_L_VAL', 'gafr1_u':'CFG_GAFR1_U_VAL', + 'gafr2_l':'CFG_GAFR2_L_VAL', 'gafr2_u':'CFG_GAFR2_U_VAL', +} + +# bit mappings + +bit_mappings = [ + +{ 'gpio':(0,32), 'shift':1, 'regs':{'dir':'gpdr0', 'set':'gpsr0', 'clr':'gpcr0'} }, +{ 'gpio':(32,64), 'shift':1, 'regs':{'dir':'gpdr1', 'set':'gpsr1', 'clr':'gpcr1'} }, +{ 'gpio':(64,85), 'shift':1, 'regs':{'dir':'gpdr2', 'set':'gpsr2', 'clr':'gpcr2'} }, +{ 'gpio':(0,16), 'shift':2, 'regs':{'alt':'gafr0_l'} }, +{ 'gpio':(16,32), 'shift':2, 'regs':{'alt':'gafr0_u'} }, +{ 'gpio':(32,48), 'shift':2, 'regs':{'alt':'gafr1_l'} }, +{ 'gpio':(48,64), 'shift':2, 'regs':{'alt':'gafr1_u'} }, +{ 'gpio':(64,80), 'shift':2, 'regs':{'alt':'gafr2_l'} }, +{ 'gpio':(80,85), 'shift':2, 'regs':{'alt':'gafr2_u'} }, + +] + +def stuff_bits(bit_mapping, gpio_list): + gpios = range( bit_mapping['gpio'][0], bit_mapping['gpio'][1]) + + for gpio in gpios: + for reg in bit_mapping['regs'].keys(): + value = eval( 'gpio_list[gpio].%s' % (reg) ) + if ( value ): + # we have a high bit + bit_shift = (gpio - bit_mapping['gpio'][0]) * bit_mapping['shift'] + bit = value << (bit_shift) + pxa_regs[bit_mapping['regs'][reg]] |= bit + +for i in bit_mappings: + stuff_bits(i, gpio_list) + +# now print out all regs +registers = pxa_regs.keys() +registers.sort() +for reg in registers: + print '%s: 0x%x' % (reg, pxa_regs[reg]) + +# print define to past right into U-Boot source code + +print +print + +for reg in registers: + print '#define %s 0x%x' % (uboot_reg_names[reg], pxa_regs[reg]) + +# print all GPIOS +print +print + +for i in range(len(gpio_list)): + gpio_i = gpio_list[i] + alt_func_desc = pxa255_alt_func[i][gpio_i.alt] + print 'GPIO: %i, dir=%i, set=%i, clr=%i, alt=%s, desc=%s' % (i, gpio_i.dir, gpio_i.set, gpio_i.clr, alt_func_desc, gpio_i.desc) + + diff --git a/board/pxa255_idp/u-boot.lds b/board/pxa255_idp/u-boot.lds new file mode 100755 index 0000000..20ce108 --- /dev/null +++ b/board/pxa255_idp/u-boot.lds @@ -0,0 +1,55 @@ +/* + * (C) Copyright 2000-2005 + * Wolfgang Denk, DENX Software Engineering, wd@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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/pxa/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} |