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pcm027: add board support

The pcm027 is a PXA270 based Phytec phyCORE board.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2010-02-09 17:16:40 +01:00 committed by Sascha Hauer
parent 4da4b4df10
commit 05e58adca0
8 changed files with 1094 additions and 0 deletions

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@ -104,6 +104,7 @@ board-$(CONFIG_MACH_PCM049) := pcm049
board-$(CONFIG_MACH_PCA100) := phycard-i.MX27
board-$(CONFIG_MACH_PCAAL1) := phycard-a-l1
board-$(CONFIG_MACH_PCAAXL2) := phycard-a-xl2
board-$(CONFIG_MACH_PCM027) := pcm027
board-$(CONFIG_MACH_PCM037) := pcm037
board-$(CONFIG_MACH_PCM038) := pcm038
board-$(CONFIG_MACH_PCM043) := pcm043

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@ -0,0 +1,2 @@
obj-y += board.o
obj-y += lowlevel_init.o

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@ -0,0 +1,190 @@
/*
* (C) 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
* 2010 by Marc Kleine-Budde <kernel@pengutronix.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 <common.h>
#include <driver.h>
#include <environment.h>
#include <fs.h>
#include <init.h>
#include <partition.h>
#include <sizes.h>
#include <plat/gpio.h>
#include <mach/mfp-pxa27x.h>
#include <mach/pxa-regs.h>
#include <mach/pxafb.h>
#include <mach/devices.h>
#include <asm/armlinux.h>
#include <asm/io.h>
#include <generated/mach-types.h>
#include <asm/mmu.h>
#define PCM990_CTRL_PHYS (void *)PXA_CS1_PHYS
#define PCM990_CTRL_REG3 0x0006 /* LCD CTRL REGISTER 3 */
#define PCM990_CTRL_LCDPWR 0x0001 /* RW LCD Power on */
#define PCM990_CTRL_LCDON 0x0002 /* RW LCD Latch on */
#define PCM990_CTRL_LCDPOS1 0x0004 /* RW POS 1 */
#define PCM990_CTRL_LCDPOS2 0x0008 /* RW POS 2 */
static void lcd_power(int on)
{
void __iomem *ctrl3 = PCM990_CTRL_PHYS + PCM990_CTRL_REG3;
if (on)
writeb(PCM990_CTRL_LCDPWR | PCM990_CTRL_LCDON, ctrl3);
else
writeb(0x0, ctrl3);
}
static void backlight_power(int on)
{
if (on) {
mdelay(20);
gpio_set_value(16, 1);
} else {
gpio_set_value(16, 0);
}
}
static struct pxafb_videomode pxafb_mode = {
.mode = {
.pixclock = 28000,
.xres = 640,
.yres = 480,
.hsync_len = 20,
.left_margin = 103,
.right_margin = 47,
.vsync_len = 6,
.upper_margin = 28,
.lower_margin = 5,
.sync = 0,
},
.bpp = 16,
};
static struct pxafb_platform_data fb_pdata = {
.mode = &pxafb_mode,
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
.lcd_power = lcd_power,
.backlight_power = backlight_power,
};
static int pcm027_mem_init(void)
{
arm_add_mem_device("ram0", 0xa0000000, SZ_64M);
return 0;
}
mem_initcall(pcm027_mem_init);
static unsigned long pin_config[] = {
/* Chip Selects */
GPIO20_nSDCS_2,
GPIO21_nSDCS_3,
GPIO15_nCS_1,
GPIO78_nCS_2,
GPIO80_nCS_4,
/* Variable Latency I/O Ready Pin */
GPIO18_RDY,
/* FFUART */
GPIO85_nPCE_1, /* enables RX */
GPIO34_FFUART_RXD,
GPIO35_FFUART_CTS,
GPIO36_FFUART_DCD,
GPIO37_FFUART_DSR,
GPIO38_FFUART_RI,
GPIO39_FFUART_TXD,
GPIO40_FFUART_DTR,
GPIO41_FFUART_RTS,
/* LCD */
GPIO58_LCD_LDD_0,
GPIO59_LCD_LDD_1,
GPIO60_LCD_LDD_2,
GPIO61_LCD_LDD_3,
GPIO62_LCD_LDD_4,
GPIO63_LCD_LDD_5,
GPIO64_LCD_LDD_6,
GPIO65_LCD_LDD_7,
GPIO66_LCD_LDD_8,
GPIO67_LCD_LDD_9,
GPIO68_LCD_LDD_10,
GPIO69_LCD_LDD_11,
GPIO70_LCD_LDD_12,
GPIO71_LCD_LDD_13,
GPIO72_LCD_LDD_14,
GPIO73_LCD_LDD_15,
GPIO74_LCD_FCLK,
GPIO75_LCD_LCLK,
GPIO76_LCD_PCLK,
GPIO77_LCD_BIAS,
MFP_CFG_OUT(GPIO16, AF0, DRIVE_LOW), /* backlight */
/* NIC */
GPIO33_nCS_5,
GPIO49_nPWE,
};
static int pcm027_devices_init(void)
{
void *cfi_iospace;
add_generic_device("smc91c111", -1, NULL, 0x14000300, 16,
IORESOURCE_MEM, NULL);
cfi_iospace = map_io_sections(0x0, (void *)0xe0000000, SZ_32M);
add_cfi_flash_device(-1, (unsigned long)cfi_iospace, SZ_32M, 0);
pxa_add_fb((void *)0x44000000, &fb_pdata);
armlinux_set_bootparams((void *)0xa0000100);
armlinux_set_architecture(MACH_TYPE_PCM027);
devfs_add_partition("nor0", 0x00000, SZ_512K, PARTITION_FIXED, "self0");
devfs_add_partition("nor0", SZ_512K, SZ_256K, PARTITION_FIXED, "env0");
protect_file("/dev/env0", 1);
return 0;
}
device_initcall(pcm027_devices_init);
static int pcm027_console_init(void)
{
/* route pins */
pxa2xx_mfp_config(ARRAY_AND_SIZE(pin_config));
/* enable clock */
CKEN |= CKEN_FFUART;
pxa_add_uart((void *)0x40100000, 0);
return 0;
}
console_initcall(pcm027_console_init);

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@ -0,0 +1,328 @@
/*
* Copyright (C) 2005 Phytec Messtechnik GmbH
* Juergen Kilb, H. Klaholz <armlinux@phytec.de>
*
* Copyright (C) 2006 Pengutronix
* Sascha Hauer <s.hauer@pengutronix.de>
* Robert Schwebel <r.schwebel@pengutronix.de>
*
* 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 __CONFIG_H
#define __CONFIG_H
/*
* phyCORE-PXA270 configuration settings
* Set these to 0/1 to enable or disable the features.
*/
#define PHYCORE_PXA270_USE_K3FLASH 0
/* 260 MHz or 520 MHZ */
#define PHYCORE_PXA270_SPEED 520
/*********************************************************************
* CONFIG PXA270 GPIO settings *
*********************************************************************/
/*
* GPIO set "1"
*
*** REG GPSR0
* GP15 == nCS1 is 1
* GP20 == nSDCS2 is 1
* GP21 == nSDCS3 is 1
*** REG GPSR1
* GP33 == nCS5 is 1
*** REG GPSR2
* GP78 == nCS2 is 1
* GP80 == nCS4 is 1
*/
#define GPSR0_DFT 0x00308000
#define GPSR1_DFT 0x00000002
#define GPSR2_DFT 0x00014000
#define CONFIG_GPSR0_VAL GPSR0_DFT
#define CONFIG_GPSR1_VAL GPSR1_DFT
#define CONFIG_GPSR2_VAL GPSR2_DFT
#define CONFIG_GPSR3_VAL GPSR3_DFT
/*
* set Direction "1" GPIO == output else input
*
** REG GPDR0
* GP03 == PWR_SDA is output
* GP04 == PWR_SCL is output
* GP15 == nCS1 is output
* GP20 == nSDCS2 is output
* GP21 == nSDCS3 is output
** REG GPDR1
* GP33 == nCS5 is output
** REG GPDR2
* GP78 == nCS2 is output
* GP80 == nCS4 is output
* GP90 == LED0 is output
* GP91 == LED1 is output
*/
#define GPDR0_DFT 0x00308018
#define GPDR1_DFT 0x00000002
#define GPDR2_DFT 0x00014000
#define CONFIG_GPDR0_VAL GPDR0_DFT
#define CONFIG_GPDR1_VAL GPDR1_DFT
#define CONFIG_GPDR2_VAL GPDR2_DFT
/*
* set Alternate Funktions
*
** REG GAFR0_L
* GP15 == nCS1 is AF10
** REG GAFR0_U
* GP18 == RDY is AF01
* GP20 == nSDCS2 is AF01
* GP21 == nSDCS3 is AF01
** REG GAFR1_L
* GP33 == nCS5 is AF10
** REG GAFR2_L
* GP78 == nCS2 is AF10
** REG GAFR2_U
* GP80 == nCS4 is AF10
*/
#define GAFR0_L_DFT 0x80000000
#define GAFR0_U_DFT 0x00000510
#define GAFR1_L_DFT 0x00000008
#define GAFR1_U_DFT 0x00000000
#define GAFR2_L_DFT 0x20000000
#define GAFR2_U_DFT 0x00000002
#define CONFIG_GAFR0_L_VAL GAFR0_L_DFT
#define CONFIG_GAFR0_U_VAL GAFR0_U_DFT
#define CONFIG_GAFR1_L_VAL GAFR1_L_DFT
#define CONFIG_GAFR1_U_VAL GAFR1_U_DFT
#define CONFIG_GAFR2_L_VAL GAFR2_L_DFT
#define CONFIG_GAFR2_U_VAL GAFR2_U_DFT
/*
* Power Manager Sleep Status Register (PSSR)
*
* [6] = 0 OTG pad is not holding it's state
* [5] = 1 Read Disable Hold: receivers of all gpio pins are disabled
* [4] = 1 gpio pins are held in their sleep mode state
* [3] = 0 The processor has not been placed in standby mode by
* configuring the PWRMODE register since STS was cleared
* by a reset or by software.
* [2] = 1 nVDD_FAULT has been asserted and caused the processor to
* enter deep-sleep mode.
* [1] = 1 nBATT_FAULT has been asserted and caused the processor to
* enter deep-sleep mode.
* [0] = 1 The processor was placed in sleep mode by configuring the
* PWRMODE register.
*/
#define CONFIG_PSSR_VAL 0x37
/*********************************************************************
* CONFIG PXA270 Chipselect settings *
*********************************************************************/
/*
* Memory settings
*
* This is the configuration for nCS1/0 -> PLD / flash
* configuration for nCS1:
* [31] 0 - Slower Device
* [30:28] 001 - CS deselect to CS time: 1*(2*MemClk) = 20 ns
* [27:24] 0010 - Address to data valid in bursts: (2+1)*MemClk = 30 ns
* [23:20] 1011 - " for first access: (11+2)*MemClk = 130 ns
* [19] 1 - 16 Bit bus width
* [18:16] 011 - burst RAM or FLASH
* configuration for nCS0 (J3 Flash):
* [15] 0 - Slower Device
* [14:12] 001 - CS deselect to CS time: 1*(2*MemClk) = 20 ns
* [11:08] 0010 - Address to data valid in bursts: (2+1)*MemClk = 30 ns
* [07:04] 1011 - " for first access: (11+2)*MemClk = 130 ns
* [03] 0 - 32 Bit bus width
* [02:00] 011 - burst RAM or FLASH
*/
#if PHYCORE_PXA270_USE_K3FLASH == 0
#define CONFIG_MSC0_VAL 0x128C1262
#else
/* configuration for nCS0 (K3 Flash):
* [15] 0 - Slower Device
* [14:12] 001 - CS deselect to CS time: 1*(2*MemClk) = 20 ns
* [11:08] 0010 - Address to data valid in bursts: (2+1)*MemClk = 30 ns
* [07:04] 1011 - " for first access: (11+2)*MemClk = 130 ns
* [03] 0 - 32 Bit bus width
* [02:00] 011 - burst RAM or FLASH
*/
#define CONFIG_MSC0_VAL 0x128C12B3
#endif
/*
* This is the configuration for nCS3/2
* configuration for nCS3: POWER
*
* [31] 0 - Slower Device
* [30:28] 111 - RRR3: CS deselect to CS time: 7*(2*MemClk) = 140 ns
* [27:24] 1111 - RDN3: Address to data valid in bursts: (15+1)*MemClk = 160 ns
* [23:20] 1111 - RDF3: Address for first access: (23+1)*MemClk = 240 ns
* [19] 0 - 32 Bit bus width
* [18:16] 100 - variable latency I/O
* configuration for nCS2: PLD
* [15] 0 - Slower Device
* [14:12] 111 - RRR2: CS deselect to CS time: 7*(2*MemClk) = 140 ns
* [11:08] 1111 - RDN2: Address to data valid in bursts: (15+1)*MemClk = 160 ns
* [07:04] 1111 - RDF2: Address for first access: (23+1)*MemClk = 240 ns
* [03] 1 - 16 Bit bus width
* [02:00] 100 - variable latency I/O
*/
#define CONFIG_MSC1_VAL 0x128c128c
/*
* This is the configuration for nCS5/4
*
* configuration for nCS5: LAN Controller
* [31] 0 - Slower Device
* [30:28] 001 - RRR5: CS deselect to CS time: 1*(2*MemClk) = 20 ns
* [27:24] 0010 - RDN5: Address to data valid in bursts: (2+1)*MemClk = 30 ns
* [23:20] 0011 - RDF5: Address for first access: (3+1)*MemClk = 40 ns
* [19] 0 - 32 Bit bus width
* [18:16] 100 - variable latency I/O
* configuration for nCS4: USB
* [15] 0 - Slower Device
* [14:12] 111 - RRR4: CS deselect to CS time: 7*(2*MemClk) = 140 ns
* [11:08] 1111 - RDN4: Address to data valid in bursts: (15+1)*MemClk = 160 ns
* [07:04] 1111 - RDF4: Address for first access: (23+1)*MemClk = 240 ns
* [03] 1 - 16 Bit bus width
* [02:00] 100 - variable latency I/O
*/
#define CONFIG_MSC2_VAL 0x1234128C
/*********************************************************************
* CONFIG PXA270 SDRAM settings *
*********************************************************************/
#define CONFIG_DRAM_BASE 0xa0000000
/* MDCNFG: SDRAM Configuration Register
*
* [31] 0 - Stack1
* [30] 0 - dcacx2
* [20] 0 - reserved
* [31:29] 000 - reserved
* [28] 1 - SA1111 compatiblity mode
* [27] 1 - latch return data with return clock
* [26] 0 - alternate addressing for pair 2/3
* [25:24] 10 - timings
* [23] 1 - internal banks in lower partition 2/3 (not used)
* [22:21] 10 - row address bits for partition 2/3 (not used)
* [20:19] 01 - column address bits for partition 2/3 (not used)
* [18] 0 - SDRAM partition 2/3 width is 32 bit
* [17] 0 - SDRAM partition 3 disabled
* [16] 0 - SDRAM partition 2 disabled
* [15] 0 - Stack1
* [14] 0 - dcacx0
* [13] 0 - Stack0
* [12] 0 - SA1110 compatiblity mode
* [11] 1 - always 1
* [10] 0 - no alternate addressing for pair 0/1
* [09:08] 10 - tRP=2*MemClk CL=2 tRCD=2*MemClk tRAS=5*MemClk tRC=8*MemClk
* [7] 1 - 4 internal banks in lower partition pair
* [06:05] 10 - 13 row address bits for partition 0/1
* [04:03] 01 - 9 column address bits for partition 0/1
* [02] 0 - SDRAM partition 0/1 width is 32 bit
* [01] 0 - disable SDRAM partition 1
* [00] 1 - enable SDRAM partition 0
*/
/* K4S561633*/
#define CONFIG_MDCNFG_VAL 0x0AC90AC9
/* MDREFR: SDRAM Refresh Control Register
*
* [31] 0 - ALTREFA
* [30] 0 - ALTREFB
* [29] 1 - K0DB4
* [28] 0 - reserved
* [27] 0 - reserved
* [26] 0 - reserved
* [25] 1 - K2FREE: not free running
* [24] 0 - K1FREE: not free running
* [23] 1 - K0FREE: not free running
* [22] 0 - SLFRSH: self refresh disabled
* [21] 0 - reserved
* [20] 0 - APD: no auto power down
* [19] 0 - K2DB2: SDCLK2 is MemClk
* [18] 0 - K2RUN: disable SDCLK2
* [17] 0 - K1DB2: SDCLK1 is MemClk
* [16] 1 - K1RUN: enable SDCLK1
* [15] 1 - E1PIN: SDRAM clock enable
* [14] 1 - K0DB2: SDCLK0 is MemClk
* [13] 0 - K0RUN: disable SDCLK0
* [12] 0 - RESERVED
* [11:00] 000000011000 - (64ms/8192)*MemClkFreq/32 = 24
*/
#define CONFIG_MDREFR_VAL 0x2281C018
/* MDMRS: Mode Register Set Configuration Register
*
* [31] 0 - reserved
* [30:23] 00000000- MDMRS2: SDRAM2/3 MRS Value. (not used)
* [22:20] 000 - MDCL2: SDRAM2/3 Cas Latency. (not used)
* [19] 0 - MDADD2: SDRAM2/3 burst Type. Fixed to sequential. (not used)
* [18:16] 010 - MDBL2: SDRAM2/3 burst Length. Fixed to 4. (not used)
* [15] 0 - reserved
* [14:07] 00000000- MDMRS0: SDRAM0/1 MRS Value.
* [06:04] 010 - MDCL0: SDRAM0/1 Cas Latency.
* [03] 0 - MDADD0: SDRAM0/1 burst Type. Fixed to sequential.
* [02:00] 010 - MDBL0: SDRAM0/1 burst Length. Fixed to 4.
*/
#define CONFIG_MDMRS_VAL 0x00020022
/*********************************************************************
* CONFIG PXA270 Clock generation *
*********************************************************************/
#define CONFIG_FLYCNFG_VAL 0x00010001
#define CONFIG_SXCNFG_VAL 0x40044004
#define CONFIG_CKEN (CKEN_MEMC | CKEN_OSTIMER)
#if PHYCORE_PXA270_SPEED == 520
#define CONFIG_CCCR 0x00000290 /* Memory Clock is f. Table; N=2.5, L=16 => 16x13=208, 208x2,5=520 MHz */
#elif PHYCORE_PXA270_SPEED == 260
#define CONFIG_CCCR 0x02000288 /* Memory Clock is System-Bus Freq., N=2.5, L=8 => 8x13=104, 104x2,5=260 MHz */
#else
#error You have specified an illegal speed.
#endif
/*********************************************************************
* CONFIG PXA270 CF interface *
*********************************************************************/
#define CONFIG_MECR_VAL 0x00000003
#define CONFIG_MCMEM0_VAL 0x00010504
#define CONFIG_MCMEM1_VAL 0x00010504
#define CONFIG_MCATT0_VAL 0x00010504
#define CONFIG_MCATT1_VAL 0x00010504
#define CONFIG_MCIO0_VAL 0x00004715
#define CONFIG_MCIO1_VAL 0x00004715
#endif /* __CONFIG_H */

46
arch/arm/boards/pcm027/env/config vendored Normal file
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@ -0,0 +1,46 @@
#!/bin/sh
machine=pcm027
eth0.serverip=
user=
# use 'dhcp' to do dhcp in barebox and in kernel
# use 'none' if you want to skip kernel ip autoconfiguration
ip=dhcp
# or set your networking parameters here
#eth0.ipaddr=a.b.c.d
#eth0.netmask=a.b.c.d
#eth0.gateway=a.b.c.d
#eth0.serverip=a.b.c.d
# can be either 'nfs', 'tftp', 'nor' or 'nand'
kernel_loc=tftp
# can be either 'net', 'nor', 'nand' or 'initrd'
rootfs_loc=net
# can be either 'jffs2' or 'ubifs'
rootfs_type=ubifs
rootfsimage=root-$machine.$rootfs_type
kernelimage=zImage-$machine
#kernelimage=uImage-$machine
#kernelimage=Image-$machine
#kernelimage=Image-$machine.lzo
if [ -n $user ]; then
kernelimage="$user"-"$kernelimage"
nfsroot="$eth0.serverip:/home/$user/nfsroot/$machine"
rootfsimage="$user"-"$rootfsimage"
else
nfsroot="$eth0.serverip:/path/to/nfs/root"
fi
autoboot_timeout=3
bootargs="console=ttyS0,115200"
nor_parts="512k(barebox)ro,256k(bareboxenv),4M(kernel),-(root)"
rootfs_mtdblock_nor=3
PS1="\e[1;32mbarebox@\e[1;31m\h:\w\e[0m "

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@ -0,0 +1,456 @@
/*
* This was originally from the Lubbock u-boot port.
*
* 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/lowlevel_init.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 <mach/pxa-regs.h>
#include <mach/regs-ost.h>
#include <mach/regs-intc.h>
#define GPSR0 0x40E00018 /* GPIO Pin Output Set Register GPIO <31:00> */
#define GPSR1 0x40E0001C /* GPIO Pin Output Set Register GPIO <63:32> */
#define GPSR2 0x40E00020 /* GPIO Pin Output Set Register GPIO <80:64> */
#define GPCR0 0x40E00024 /* GPIO Pin Output Clear Register GPIO <31:00> */
#define GPCR1 0x40E00028 /* GPIO Pin Output Clear Register GPIO <63:32> */
#define GPCR2 0x40E0002C /* GPIO Pin Output Clear Register GPIO <80:64> */
#define GPDR0 0x40E0000C /* GPIO Pin Direction Register GPIO <31:0o> */
#define GPDR1 0x40E00010 /* GPIO Pin Direction Register GPIO <63:32> */
#define GPDR2 0x40E00014 /* GPIO Pin Direction Register GPIO <80:64> */
#define GAFR0_L 0x40E00054 /* GPIO Alternate Function Select Register GPIO <15:00> */
#define GAFR0_U 0x40E00058 /* GPIO Alternate Function Select Register GPIO <31:16> */
#define GAFR1_L 0x40E0005C /* GPIO Alternate Function Select Register GPIO <47:32> */
#define GAFR1_U 0x40E00060 /* GPIO Alternate Function Select Register GPIO <63:48> */
#define GAFR2_L 0x40E00064 /* GPIO Alternate Function Select Register GPIO <79:64> */
#define GAFR2_U 0x40E00068 /* GPIO Alternate Function Select Register GPIO <95:80> */
/*
* Memory setup
*/
.globl board_init_lowlevel
board_init_lowlevel:
@ Preserve r8/r7 i.e. kernel entry values
@ Data cache might be active.
@ Be sure to flush kernel binary out of the cache,
@ whatever state it is, before it is turned off.
@ This is done by fetching through currently executed
@ memory to be sure we hit the same cache.
bic r2, pc, #0x1f
add r3, r2, #0x10000 @ 64 kb is quite enough...
1: ldr r0, [r2], #32
teq r2, r3
bne 1b
mcr p15, 0, r0, c7, c10, 4 @ drain WB
mcr p15, 0, r0, c7, c7, 0 @ flush I & D caches
@ disabling MMU and caches
mrc p15, 0, r0, c1, c0, 0 @ read control reg
bic r0, r0, #0x05 @ clear DC, MMU
bic r0, r0, #0x1000 @ clear Icache
mcr p15, 0, r0, c1, c0, 0
/* set output */
ldr r0, =GPSR0
ldr r1, =CONFIG_GPSR0_VAL
str r1, [r0]
ldr r0, =GPSR1
ldr r1, =CONFIG_GPSR1_VAL
str r1, [r0]
ldr r0, =GPSR2
ldr r1, =CONFIG_GPSR2_VAL
str r1, [r0]
/* set direction */
ldr r0, =GPDR0
ldr r1, =CONFIG_GPDR0_VAL
str r1, [r0]
ldr r0, =GPDR1
ldr r1, =CONFIG_GPDR1_VAL
str r1, [r0]
ldr r0, =GPDR2
ldr r1, =CONFIG_GPDR2_VAL
str r1, [r0]
/* alternate function */
ldr r0, =GAFR0_L
ldr r1, =CONFIG_GAFR0_L_VAL
str r1, [r0]
ldr r0, =GAFR0_U
ldr r1, =CONFIG_GAFR0_U_VAL
str r1, [r0]
ldr r0, =GAFR1_L
ldr r1, =CONFIG_GAFR1_L_VAL
str r1, [r0]
ldr r0, =GAFR1_U
ldr r1, =CONFIG_GAFR1_U_VAL
str r1, [r0]
ldr r0, =GAFR2_L
ldr r1, =CONFIG_GAFR2_L_VAL
str r1, [r0]
ldr r0, =GAFR2_U
ldr r1, =CONFIG_GAFR2_U_VAL
str r1, [r0]
/* enable GPIO pins */
ldr r0, =PSSR
ldr r1, =CONFIG_PSSR_VAL
str r1, [r0]
/* -------------------------------------------------------------------- */
/* 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
cmp pc, #0xa0000000
bls mem_init
cmp pc, #0xb0000000
bhi mem_init
b skip_mem_init
mem_init:
ldr r1, =MDCNFG /* 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, =CONFIG_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, =CONFIG_MSC1_VAL
str r2, [r1, #MSC1_OFFSET]
ldr r2, [r1, #MSC1_OFFSET]
/* MSC2: nCS(4,5) */
ldr r2, =CONFIG_MSC2_VAL
str r2, [r1, #MSC2_OFFSET]
ldr r2, [r1, #MSC2_OFFSET]
/* -------------------------------------------------------------------- */
/* Step 2b: Initialize Card Interface */
/* -------------------------------------------------------------------- */
/* MECR: Memory Expansion Card Register */
ldr r2, =CONFIG_MECR_VAL
str r2, [r1, #MECR_OFFSET]
ldr r2, [r1, #MECR_OFFSET]
/* MCMEM0: Card Interface slot 0 timing */
ldr r2, =CONFIG_MCMEM0_VAL
str r2, [r1, #MCMEM0_OFFSET]
ldr r2, [r1, #MCMEM0_OFFSET]
/* MCMEM1: Card Interface slot 1 timing */
ldr r2, =CONFIG_MCMEM1_VAL
str r2, [r1, #MCMEM1_OFFSET]
ldr r2, [r1, #MCMEM1_OFFSET]
/* MCATT0: Card Interface Attribute Space Timing, slot 0 */
ldr r2, =CONFIG_MCATT0_VAL
str r2, [r1, #MCATT0_OFFSET]
ldr r2, [r1, #MCATT0_OFFSET]
/* MCATT1: Card Interface Attribute Space Timing, slot 1 */
ldr r2, =CONFIG_MCATT1_VAL
str r2, [r1, #MCATT1_OFFSET]
ldr r2, [r1, #MCATT1_OFFSET]
/* MCIO0: Card Interface I/O Space Timing, slot 0 */
ldr r2, =CONFIG_MCIO0_VAL
str r2, [r1, #MCIO0_OFFSET]
ldr r2, [r1, #MCIO0_OFFSET]
/* MCIO1: Card Interface I/O Space Timing, slot 1 */
ldr r2, =CONFIG_MCIO1_VAL
str r2, [r1, #MCIO1_OFFSET]
ldr r2, [r1, #MCIO1_OFFSET]
/* -------------------------------------------------------------------- */
/* Step 2c: Write FLYCNFG FIXME: what's that??? */
/* -------------------------------------------------------------------- */
ldr r2, =CONFIG_FLYCNFG_VAL
str r2, [r1, #FLYCNFG_OFFSET]
str r2, [r1, #FLYCNFG_OFFSET]
/* -------------------------------------------------------------------- */
/* 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 r4, [r1, #MDREFR_OFFSET]
ldr r2, =0xFFF
bic r4, r4, r2
ldr r3, =CONFIG_MDREFR_VAL
and r3, r3, r2
orr r4, r4, r3
str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */
orr r4, r4, #MDREFR_K0RUN
orr r4, r4, #MDREFR_K0DB4
orr r4, r4, #MDREFR_K0FREE
orr r4, r4, #MDREFR_K2FREE
orr r4, r4, #MDREFR_K0DB2
orr r4, r4, #MDREFR_K1DB2
bic r4, r4, #MDREFR_K1FREE
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.
*/
ldr r2, =CONFIG_SXCNFG_VAL
str r2, [r1, #SXCNFG_OFFSET]
/* -------------------------------------------------------------------- */
/* Step 4: Initialize SDRAM */
/* -------------------------------------------------------------------- */
bic r4, r4, #(MDREFR_K1FREE | MDREFR_K0FREE)
orr r4, r4, #MDREFR_K1RUN
orr r4, r4, #MDREFR_K2FREE
bic r4, r4, #MDREFR_K2DB2
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
bic r4, r4, #MDREFR_SLFRSH
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
orr r4, r4, #MDREFR_E1PIN
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
nop
nop
/*
* Step 4d: write MDCNFG with MDCNFG:DEx deasserted
* (set to 0), to configure but not enable each SDRAM
* partition pair.
*/
ldr r4, =CONFIG_MDCNFG_VAL
bic r4, r4, #(MDCNFG_DE0|MDCNFG_DE1)
bic r4, r4, #(MDCNFG_DE2|MDCNFG_DE3)
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 usec.
*/
ldr r3, =OSCR /* reset the OS Timer Count to zero */
mov r2, #0
str r2, [r3]
ldr r4, =0x300 /* really 0x2E1 is about 200 usec, */
/* 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, =CONFIG_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]
mov r4, r3
orr r3, r3, #MDCNFG_DE0
str r3, [r1, #MDCNFG_OFFSET]
mov r0, r3
/* Step 4h: Write MDMRS. */
ldr r2, =CONFIG_MDMRS_VAL
str r2, [r1, #MDMRS_OFFSET]
/* enable APD */
ldr r3, [r1, #MDREFR_OFFSET]
orr r3, r3, #MDREFR_APD
str r3, [r1, #MDREFR_OFFSET]
/* We are finished with Intel's memory controller initialisation */
skip_mem_init:
wakeup:
/* Are we waking from sleep? */
ldr r0, =RCSR
ldr r1, [r0]
and r1, r1, #(RCSR_GPR | RCSR_SMR | RCSR_WDR | RCSR_HWR)
str r1, [r0]
teq r1, #RCSR_SMR
bne initirqs
ldr r0, =PSSR
mov r1, #PSSR_PH
str r1, [r0]
/* if so, resume at PSPR */
ldr r0, =PSPR
ldr r1, [r0]
mov pc, r1
/* -------------------------------------------------------------------- */
/* 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 */
/* Turn Off on-chip peripheral clocks (except for memory) */
/* for re-configuration. */
ldr r1, =CKEN
ldr r2, =CONFIG_CKEN
str r2, [r1]
/* ... and write the core clock config register */
ldr r2, =CONFIG_CCCR
ldr r1, =CCCR
str r2, [r1]
/* Turn on turbo mode */
mrc p14, 0, r2, c6, c0, 0
orr r2, r2, #0xB /* Turbo, Fast-Bus, Freq change */
mcr p14, 0, r2, c6, c0, 0
/* Re-write MDREFR */
ldr r1, =MDCNFG
ldr r2, [r1, #MDREFR_OFFSET]
str r2, [r1, #MDREFR_OFFSET]
/* enable the 32Khz oscillator for RTC and PowerManager */
ldr r1, =OSCC
mov r2, #OSCC_OON
str r2, [r1]
/* Interrupt init: Mask all interrupts */
ldr r0, =ICMR /* enable no sources */
mov r1, #0
str r1, [r0]
/* FIXME */
#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 lowlevel_init */
/* -------------------------------------------------------------------- */
endlowlevel_init:
mov pc, lr

View File

@ -0,0 +1,61 @@
CONFIG_ARCH_PXA=y
CONFIG_MACH_PCM027=y
CONFIG_AEABI=y
CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
CONFIG_ARM_UNWIND=y
CONFIG_MMU=y
CONFIG_MALLOC_SIZE=0x1000000
CONFIG_MALLOC_TLSF=y
CONFIG_KALLSYMS=y
CONFIG_LONGHELP=y
CONFIG_GLOB=y
CONFIG_HUSH_FANCY_PROMPT=y
CONFIG_CMDLINE_EDITING=y
CONFIG_AUTO_COMPLETE=y
CONFIG_PARTITION=y
CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/pcm027/env"
CONFIG_DEBUG_INFO=y
CONFIG_CMD_EDIT=y
CONFIG_CMD_SLEEP=y
CONFIG_CMD_SAVEENV=y
CONFIG_CMD_EXPORT=y
CONFIG_CMD_PRINTENV=y
CONFIG_CMD_READLINE=y
CONFIG_CMD_TIME=y
CONFIG_CMD_AUTOMOUNT=y
CONFIG_CMD_ECHO_E=y
CONFIG_CMD_MEMINFO=y
CONFIG_CMD_IOMEM=y
CONFIG_CMD_FLASH=y
CONFIG_CMD_BOOTM_SHOW_TYPE=y
CONFIG_CMD_BOOTM_VERBOSE=y
CONFIG_CMD_BOOTM_INITRD=y
CONFIG_CMD_BOOTM_OFTREE=y
CONFIG_CMD_BOOTM_OFTREE_UIMAGE=y
CONFIG_CMD_UIMAGE=y
# CONFIG_CMD_BOOTZ is not set
# CONFIG_CMD_BOOTU is not set
CONFIG_CMD_RESET=y
CONFIG_CMD_GO=y
CONFIG_CMD_OFTREE=y
CONFIG_CMD_TIMEOUT=y
CONFIG_CMD_PARTITION=y
CONFIG_CMD_MAGICVAR=y
CONFIG_CMD_MAGICVAR_HELP=y
CONFIG_CMD_BMP=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_UNCOMPRESS=y
CONFIG_NET=y
CONFIG_NET_DHCP=y
CONFIG_NET_PING=y
CONFIG_NET_TFTP=y
CONFIG_NET_TFTP_PUSH=y
CONFIG_DRIVER_SERIAL_PXA=y
CONFIG_DRIVER_NET_SMC91111=y
# CONFIG_SPI is not set
CONFIG_DRIVER_CFI=y
CONFIG_VIDEO=y
CONFIG_DRIVER_VIDEO_PXA=y
CONFIG_FS_TFTP=y
CONFIG_LZO_DECOMPRESS=y

View File

@ -3,10 +3,12 @@ if ARCH_PXA
config ARCH_TEXT_BASE
hex
default 0xa0000000 if MACH_MIOA701
default 0xa3f00000 if MACH_PCM027
config BOARDINFO
string
default "Scoter Mitac Mio A701" if MACH_MIOA701
default "Phytec phyCORE-PXA270" if MACH_PCM027
# ----------------------------------------------------------
@ -37,6 +39,14 @@ config MACH_MIOA701
select PWM
help
Say Y here if you are using a Mitac Mio A701 smartphone
config MACH_PCM027
bool "Phytec phyCORE-PXA270"
select HAS_CFI
select MACH_HAS_LOWLEVEL_INIT
select HAVE_MMU
help
Say Y here if you are using a Phytec phyCORE PXA270
board
endchoice