From ad84c7b2f7ca3bebf508c250482e49ba01ae89d6 Mon Sep 17 00:00:00 2001 From: Steve Markgraf Date: Sun, 11 Aug 2019 13:02:27 +0200 Subject: fw: Add support for Huawei GTM900-B modules Both MG01GSMT and MG01GSMT hardware variants are supported and automatically detected based on the flash manufacturer. Change-Id: I3a770ea93fc72c4e9b63078e253602f204b5be23 --- src/target/firmware/Makefile | 8 +- src/target/firmware/board/gtm900b/init.c | 140 ++++++++++++++ src/target/firmware/board/gtm900b/keymap.h | 29 +++ src/target/firmware/board/gtm900b/rf_power.c | 63 +++++++ src/target/firmware/board/gtm900b/rffe_gtm900b.c | 225 +++++++++++++++++++++++ 5 files changed, 464 insertions(+), 1 deletion(-) create mode 100644 src/target/firmware/board/gtm900b/init.c create mode 100644 src/target/firmware/board/gtm900b/keymap.h create mode 100644 src/target/firmware/board/gtm900b/rf_power.c create mode 100644 src/target/firmware/board/gtm900b/rffe_gtm900b.c diff --git a/src/target/firmware/Makefile b/src/target/firmware/Makefile index 2f44a200..f7235ac3 100644 --- a/src/target/firmware/Makefile +++ b/src/target/firmware/Makefile @@ -24,7 +24,7 @@ ENV_e88flash_OBJS=board/compal/start.rom.o board/compal/header.o board/compal/ex # # List of all supported boards (meant to be overridden on command line) -BOARDS?=compal_e88 compal_e86 compal_e99 se_j100 gta0x fcdev3b pirelli_dpl10 +BOARDS?=compal_e88 compal_e86 compal_e99 se_j100 gta0x gtm900b fcdev3b pirelli_dpl10 # Framebuffer support, board specific drivers FB_OBJS=fb/framebuffer.o fb/font.o fb/helvR08.o fb/helvB14.o fb/c64.o \ @@ -46,6 +46,12 @@ BOARD_gta0x_OBJS=$(calypso_COMMON_OBJS) board/gta0x/init.o \ battery/dummy.o $(FB_dummy_OBJS) BOARD_gta0x_ENVIRONMENTS=highram +# Huawei GTM900-B +BOARD_gtm900b_OBJS=$(calypso_COMMON_OBJS) board/gtm900b/init.o \ + board/gtm900b/rffe_gtm900b.o board/gtm900b/rf_power.o \ + battery/dummy.o $(FB_dummy_OBJS) +BOARD_gtm900b_ENVIRONMENTS=highram + # FreeCalypso FCDEV3B BOARD_fcdev3b_OBJS=$(calypso_COMMON_OBJS) board/fcdev3b/init.o \ board/gta0x/rffe_gta0x_triband.o board/gta0x/rf_power.o \ diff --git a/src/target/firmware/board/gtm900b/init.c b/src/target/firmware/board/gtm900b/init.c new file mode 100644 index 00000000..38ede10c --- /dev/null +++ b/src/target/firmware/board/gtm900b/init.c @@ -0,0 +1,140 @@ +/* Initialization for the Huawei GTM900-B modem */ + +/* (C) 2010 by Harald Welte + * (C) 2010-19 by Steve Markgraf + * + * All Rights Reserved + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include "keymap.h" + +#define ARMIO_LATCH_OUT 0xfffe4802 +#define IO_CNTL_REG 0xfffe4804 +#define ASIC_CONF_REG 0xfffef008 +#define IO_CONF_REG 0xfffef00a +#define LPG_LCR_REG 0xfffe7800 +#define LPG_PM_REG 0xfffe7801 + +static void board_io_init(void) +{ + uint16_t reg; + + reg = readw(ASIC_CONF_REG); + /* Set LPG pin mux for power LED */ + reg |= (1 << 6); + /* TWL3025: Set SPI+RIF RX clock to rising edge */ + reg |= (1 << 13) | (1 << 14); + writew(reg, ASIC_CONF_REG); + + /* + * Most Calypso peripheral interface signals are unconnected + * on this modem. We configure them to be GPIOs in IO_CONF_REG, + * then configure them to be outputs in IO_CNTL_REG, then set + * the outputs to 0 in ARMIO_LATCH_OUT. + */ + writew(0x03F5, IO_CONF_REG); + writew(0xC000, IO_CNTL_REG); + writew(0x0000, ARMIO_LATCH_OUT); + + /* Set LPG output permanently on (power LED) */ + writew(1, LPG_PM_REG); + writew((1 << 7), LPG_LCR_REG); +} + +void board_init(int with_irq) +{ + /* Configure the memory interface */ + calypso_mem_cfg(CALYPSO_nCS0, 3, CALYPSO_MEM_16bit, 1); + calypso_mem_cfg(CALYPSO_nCS1, 3, CALYPSO_MEM_16bit, 1); + calypso_mem_cfg(CALYPSO_nCS2, 5, CALYPSO_MEM_16bit, 1); + calypso_mem_cfg(CALYPSO_nCS3, 5, CALYPSO_MEM_16bit, 1); + calypso_mem_cfg(CALYPSO_CS4, 0, CALYPSO_MEM_8bit, 1); + calypso_mem_cfg(CALYPSO_nCS6, 0, CALYPSO_MEM_32bit, 1); + calypso_mem_cfg(CALYPSO_nCS7, 0, CALYPSO_MEM_32bit, 0); + + /* Set VTCXO_DIV2 = 1, configure PLL for 104 MHz and give ARM half of that */ + calypso_clock_set(2, CALYPSO_PLL13_104_MHZ, ARM_MCLK_DIV_2); + + /* Configure the RHEA bridge with some sane default values */ + calypso_rhea_cfg(0, 0, 0xff, 0, 1, 0, 0); + + /* Initialize board-specific GPIO */ + board_io_init(); + + /* Enable bootrom mapping to route exception vectors to RAM */ + calypso_bootrom(with_irq); + calypso_exceptions_install(); + + /* Initialize interrupt controller */ + if (with_irq) + irq_init(); + + sercomm_bind_uart(UART_IRDA); + cons_bind_uart(UART_MODEM); + + /* initialize IRDA UART to be used for sercomm */ + uart_init(UART_IRDA, with_irq); + uart_baudrate(UART_IRDA, UART_115200); + + /* Initialize MODEM UART to be used for old-school console code. */ + uart_init(UART_MODEM, with_irq); + uart_baudrate(UART_MODEM, UART_115200); + + /* Initialize hardware timers */ + hwtimer_init(); + + /* Initialize DMA controller */ + dma_init(); + + /* Initialize real time clock */ + rtc_init(); + + /* Initialize system timers (uses hwtimer 2) */ + timer_init(); + + /* Initialize keypad driver */ + keypad_init(keymap, with_irq); + + /* Initialize ABB driver (uses SPI) */ + twl3025_init(); +} diff --git a/src/target/firmware/board/gtm900b/keymap.h b/src/target/firmware/board/gtm900b/keymap.h new file mode 100644 index 00000000..07a19e01 --- /dev/null +++ b/src/target/firmware/board/gtm900b/keymap.h @@ -0,0 +1,29 @@ +/* keymap for the Huawei GTM900-B */ + +static const uint8_t keymap[] = { + [KEY_0] = 0, + [KEY_1] = 0, + [KEY_2] = 0, + [KEY_3] = 0, + [KEY_4] = 0, + [KEY_5] = 0, + [KEY_6] = 0, + [KEY_7] = 0, + [KEY_8] = 0, + [KEY_9] = 0, + [KEY_STAR] = 0, + [KEY_HASH] = 0, + [KEY_MENU] = 0, + [KEY_LEFT_SB] = 0, + [KEY_RIGHT_SB] = 0, + [KEY_UP] = 0, + [KEY_DOWN] = 0, + [KEY_LEFT] = 0, + [KEY_RIGHT] = 0, + [KEY_OK] = 0, +/* power button is not connected to keypad scan matrix but to TWL3025 */ + [KEY_POWER] = 31, + [KEY_MINUS] = 0, + [KEY_PLUS] = 0, + [KEY_CAMERA] = 0, +}; diff --git a/src/target/firmware/board/gtm900b/rf_power.c b/src/target/firmware/board/gtm900b/rf_power.c new file mode 100644 index 00000000..cd47ddf7 --- /dev/null +++ b/src/target/firmware/board/gtm900b/rf_power.c @@ -0,0 +1,63 @@ +/* Tx RF power calibration for the Huawei GTM900-B */ + +/* (C) 2010 by Harald Welte + * + * All Rights Reserved + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include +#include + +/* GSM900 ARFCN 33, Measurements by Steve Markgraf / May 2010 */ +/* FIXME those are from the Compal phones, do measurements with the GTM900-B */ +const int16_t dbm2apc_gsm900[] = { + [0] = 151, + [1] = 152, + [2] = 153, + [3] = 155, + [4] = 156, + [5] = 158, + [6] = 160, + [7] = 162, + [8] = 164, + [9] = 167, + [10] = 170, + [11] = 173, + [12] = 177, + [13] = 182, + [14] = 187, + [15] = 192, + [16] = 199, + [17] = 206, + [18] = 214, + [19] = 223, + [20] = 233, + [21] = 244, + [22] = 260, + [23] = 271, + [24] = 288, + [25] = 307, + [26] = 327, + [27] = 350, + [28] = 376, + [29] = 407, + [30] = 456, + [31] = 575, +}; + +const int dbm2apc_gsm900_max = ARRAY_SIZE(dbm2apc_gsm900) - 1; diff --git a/src/target/firmware/board/gtm900b/rffe_gtm900b.c b/src/target/firmware/board/gtm900b/rffe_gtm900b.c new file mode 100644 index 00000000..633c6378 --- /dev/null +++ b/src/target/firmware/board/gtm900b/rffe_gtm900b.c @@ -0,0 +1,225 @@ +/* RF frontend driver for Huawei GTM900-B modems, supporting both + * MG01GSMT and MG01GSMT hardware variants */ + +/* (C) 2019 by Steve Markgraf + * + * All Rights Reserved + * + * 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, see . + * + */ + +#include +#include + +#include +#include +#include +#include +#include +#include + +/* This is a value that has been measured for the GTM900-B: 74dBm, + it is the difference between the input level at the antenna and what + the DSP reports, subtracted by the total gain of the TRF6151 */ +#define SYSTEM_INHERENT_GAIN 74 + +/* describe how the RF frontend is wired on the Huawei GTM900-B */ +#define IOTA_STROBE TSPEN(0) /* Strobe for the Iota TSP */ +#define RITA_STROBE TSPEN(2) /* Strobe for the Rita TSP */ + +#define RITA_RESET TSPACT(0) /* Reset of the Rita TRF6151 */ +#define PA_BAND_SELECT TSPACT(3) /* Low: 850/900, High: 1800/1900 */ +#define PA_TX_ENABLE TSPACT(9) /* Enable the Power Amplifier */ + +/* MGC2GSMT Ver. BRF specific antenna switch signals, low active */ +#define ASM_VC1 TSPACT(1) /* low on GSM900 TX */ +#define ASM_VC2 TSPACT(2) /* low on DCS1800 TX */ + +/* MG01GSMT Ver. C specific antenna switch signals, low active */ +#define CXG_CTLA TSPACT(4) /* CXG1192UR CTLA input */ +#define CXG_CTLB TSPACT(1) /* CXG1192UR CTLB input */ +#define CXG_CTLC TSPACT(2) /* CXG1192UR CTLC input */ + +/* + * The Sony CXG1192UR switch is wired as follows on the MG01GSMT Ver. C: + * + * Rx1: GSM850 RX filter (Epcos B5013) + * Rx2: GSM900 RX filter (Epcos B7710) + * Rx3: DCS1800 RX filter (Epcos 7714) + * Rx4: PCS1900 RX filter (not populated) + * Tx1: low band PA output + * Tx2: high band PA output + */ + +typedef enum rffe_var { + RFFE_MGC2GSMT, + RFFE_MG01GSMT +} rffe_var_t; + +static rffe_var_t rffe_variant = RFFE_MGC2GSMT; + +static inline void rffe_mode_mgc2gsmt(enum gsm_band band, int tx) +{ + uint16_t tspact = tsp_act_state(); + + /* First we mask off all bits from the state cache */ + tspact &= ~(PA_BAND_SELECT | PA_TX_ENABLE); + tspact |= (ASM_VC1 | ASM_VC2); /* low-active */ + +#ifdef CONFIG_TX_ENABLE + /* Then we selectively set the bits on, if required */ + if (tx) { + tspact |= PA_TX_ENABLE; + tspact &= ~CXG_CTLA; + + if (band == GSM_BAND_1800 || band == GSM_BAND_1900) { + tspact |= PA_BAND_SELECT; + tspact &= ~ASM_VC2; + } else { + tspact &= ~ASM_VC1; + } + } +#endif /* TRANSMIT_SUPPORT */ + + tsp_act_update(tspact); +} + +static inline void rffe_mode_mg01gsmt(enum gsm_band band, int tx) +{ + uint16_t tspact = tsp_act_state(); + + /* First we mask off all bits from the state cache */ + tspact &= ~(PA_BAND_SELECT | PA_TX_ENABLE); + tspact |= (CXG_CTLA | CXG_CTLB | CXG_CTLC); /* low-active */ + + switch (band) { + case GSM_BAND_850: + tspact &= ~CXG_CTLB; /* select Ant1 - Rx1 */ + break; + case GSM_BAND_900: + tspact &= ~CXG_CTLC; /* select Ant1 - Rx2 */ + break; + case GSM_BAND_1800: /* select Ant2 - Rx3 */ + break; + case GSM_BAND_1900: + tspact &= ~(CXG_CTLB | CXG_CTLC); /* select Ant2 - Rx4 */ + break; + default: + break; + } + +#ifdef CONFIG_TX_ENABLE + /* Then we selectively set the bits on, if required */ + if (tx) { + tspact |= PA_TX_ENABLE; + tspact &= ~CXG_CTLA; + + if (band == GSM_BAND_1800 || band == GSM_BAND_1900) { + tspact |= PA_BAND_SELECT; + tspact &= ~CXG_CTLB; + } + } +#endif /* TRANSMIT_SUPPORT */ + + tsp_act_update(tspact); +} + +/* switch RF Frontend Mode */ +void rffe_mode(enum gsm_band band, int tx) +{ + if (rffe_variant == RFFE_MGC2GSMT) + rffe_mode_mgc2gsmt(band, tx); + else + rffe_mode_mg01gsmt(band, tx); +} + +uint32_t rffe_get_rx_ports(void) +{ + return (1 << PORT_LO) | (1 << PORT_DCS1800) | (1 << PORT_PCS1900); +} + +uint32_t rffe_get_tx_ports(void) +{ + return (1 << PORT_LO) | (1 << PORT_HI); +} + +/* Returns need for IQ swap */ +int rffe_iq_swapped(uint16_t band_arfcn, int tx) +{ + return trf6151_iq_swapped(band_arfcn, tx); +} + +#define ARM_CONF_REG 0xfffef006 + +void rffe_init(void) +{ + uint16_t reg; + uint16_t manufacturer_id = 0; + + reg = readw(ARM_CONF_REG); + reg &= ~ (1 << 7); /* TSPACT4 I/O function, not nRDYMEM */ + writew(reg, ARM_CONF_REG); + + /* Configure the TSPEN which is connected to the TWL3025 */ + tsp_setup(IOTA_STROBE, 1, 0, 0); + + trf6151_init(RITA_STROBE, RITA_RESET); + + /* Detect the used RFFE variant based on the used flash chip. + * The MGC2GSMT uses a Samsung flash, whereas the MG01GSMT uses + * a Spansion flash. We use an address above the Calpso bootrom + * so we do not need to unmap it to access the flash. */ + flash_get_id((void *)0x40000, &manufacturer_id, NULL); + + switch (manufacturer_id) { + case CFI_MANUF_SPANSION: + printf("Detected MG01GSMT module\n\n"); + rffe_variant = RFFE_MG01GSMT; + break; + case CFI_MANUF_SAMSUNG: + printf("Detected MGC2GSMT module\n\n"); + rffe_variant = RFFE_MGC2GSMT; + break; + default: + printf("Unknown module detected, flash ID 0x%4.4x\n" + "Please contact mailing list!\n\n", manufacturer_id); + rffe_variant = RFFE_MGC2GSMT; + break; + } +} + +uint8_t rffe_get_gain(void) +{ + return trf6151_get_gain(); +} + +void rffe_set_gain(uint8_t dbm) +{ + trf6151_set_gain(dbm); +} + +const uint8_t system_inherent_gain = SYSTEM_INHERENT_GAIN; + +/* Given the expected input level of exp_inp dBm/8 and the target of target_bb + * dBm8, configure the RF Frontend with the respective gain */ +void rffe_compute_gain(int16_t exp_inp, int16_t target_bb) +{ + trf6151_compute_gain(exp_inp, target_bb); +} + +void rffe_rx_win_ctrl(int16_t exp_inp, int16_t target_bb) +{ + /* FIXME */ +} -- cgit v1.2.3