#!/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)