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authorSteve Markgraf <steve@steve-m.de>2019-08-11 13:02:27 +0200
committerSteve Markgraf <steve@steve-m.de>2019-08-11 13:33:30 +0200
commitad84c7b2f7ca3bebf508c250482e49ba01ae89d6 (patch)
tree4ad30d1029923e3523ef4c14a1738e5434dfaed6
parent8a8f9dfb083b90d91f8c49527ba4fe921a35dee7 (diff)
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
-rw-r--r--src/target/firmware/Makefile8
-rw-r--r--src/target/firmware/board/gtm900b/init.c140
-rw-r--r--src/target/firmware/board/gtm900b/keymap.h29
-rw-r--r--src/target/firmware/board/gtm900b/rf_power.c63
-rw-r--r--src/target/firmware/board/gtm900b/rffe_gtm900b.c225
5 files changed, 464 insertions, 1 deletions
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 <laforge@gnumonks.org>
+ * (C) 2010-19 by Steve Markgraf <steve@steve-m.de>
+ *
+ * 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 <stdint.h>
+#include <stdio.h>
+
+#include <debug.h>
+#include <ctors.h>
+#include <memory.h>
+#include <board.h>
+#include <keypad.h>
+#include <console.h>
+#include <flash/cfi_flash.h>
+#include <tiffs.h>
+
+#include <calypso/irq.h>
+#include <calypso/clock.h>
+#include <calypso/dma.h>
+#include <calypso/rtc.h>
+#include <calypso/timer.h>
+#include <uart.h>
+#include <calypso/backlight.h>
+
+#include <comm/sercomm.h>
+#include <comm/timer.h>
+
+#include <abb/twl3025.h>
+#include <rf/trf6151.h>
+#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 <laforge@gnumonks.org>
+ *
+ * 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 <stdint.h>
+#include <osmocom/core/utils.h>
+
+/* 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 <steve@steve-m.de>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include <debug.h>
+#include <memory.h>
+#include <rffe.h>
+#include <calypso/tsp.h>
+#include <rf/trf6151.h>
+#include <flash/cfi_flash.h>
+
+/* 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 */
+}