init commit via android 4.4 uboot

1 files changed, 311 insertions, 0 deletions

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)
+
+