fw: Add initial support for Sony Ericsson K200i/K220i phones

Includes RF frontend configuration, TIFFS config, keymap.

Currently still using the rf_tables and afcparams from gta0x.
No display driver yet.

Make sure to run osmocon with -m romload -i 10

Change-Id: I711702862b1cec5a8089dac071f8a171ca026003

4 files changed, 286 insertions, 1 deletions

diff --git a/src/target/firmware/Makefile b/src/target/firmware/Makefile
index d1ab0c6e..af50d45e 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 gtm900b fcdev3b pirelli_dpl10
+BOARDS?=compal_e88 compal_e86 compal_e99 se_j100 se_k2x0 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 \
@@ -100,6 +100,12 @@ BOARD_se_j100_OBJS=$(compal_COMMON_OBJS) board/se_j100/init.o \
 	battery/dummy.o $(FB_j100_OBJS)
 BOARD_se_j100_ENVIRONMENTS=$(compal_COMMON_ENVIRONMENTS)
 
+# Sony Ericsson K200i/K220i
+BOARD_se_k2x0_OBJS=$(calypso_COMMON_OBJS) board/se_k2x0/init.o \
+	board/se_k2x0/rffe_k2x0.o \
+	board/gta0x/rf_tables.o board/gta0x/afcparams.o \
+	board/common/readcal_tiffs.o battery/dummy.o $(FB_dummy_OBJS)
+BOARD_se_k2x0_ENVIRONMENTS=highram
 
 #
 # Applications
diff --git a/src/target/firmware/board/se_k2x0/init.c b/src/target/firmware/board/se_k2x0/init.c
new file mode 100644
index 00000000..ebd32a72
--- /dev/null
+++ b/src/target/firmware/board/se_k2x0/init.c
@@ -0,0 +1,129 @@
+/* Initialization for the Sony Ericsson K200i/K220i */
+
+/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2010-22 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.
+ *
+ */
+
+#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 <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 <fb/framebuffer.h>
+#include "keymap.h"
+
+#define ASIC_CONF_REG	0xfffef008
+
+static void board_io_init(void)
+{
+	uint16_t reg;
+
+	reg = readw(ASIC_CONF_REG);
+	/* TWL3025: Set SPI+RIF RX clock to rising edge */
+	reg |= (1 << 13) | (1 << 14);
+	writew(reg, ASIC_CONF_REG);
+}
+
+void board_init(int with_irq)
+{
+	/* Disable watchdog (compal loader leaves it enabled) */
+	wdog_enable(0);
+
+	/* Configure the memory interface - TODO: adapt for K2x0i, right now just
+	 * copied from Pirelli DP-L10 */
+	calypso_mem_cfg(CALYPSO_nCS0, 4, CALYPSO_MEM_16bit, 1);
+	calypso_mem_cfg(CALYPSO_nCS1, 4, CALYPSO_MEM_16bit, 1);
+	calypso_mem_cfg(CALYPSO_nCS2, 5, CALYPSO_MEM_16bit, 1);
+	calypso_mem_cfg(CALYPSO_nCS3, 4, CALYPSO_MEM_16bit, 1);
+	calypso_mem_cfg(CALYPSO_CS4, 7, CALYPSO_MEM_16bit, 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_MODEM);
+	cons_bind_uart(UART_IRDA);
+
+	/* initialize MODEM UART to be used for sercomm */
+	uart_init(UART_MODEM, with_irq);
+	uart_baudrate(UART_MODEM, UART_115200);
+
+	/* initialize IRDA UART to be used for old-school console code.
+	 * note: IRDA uart only accessible on C115 and C117 PCB */
+	uart_init(UART_IRDA, with_irq);
+	uart_baudrate(UART_IRDA, 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 LCD driver and backlight */
+	fb_init();
+	bl_mode_pwl(1);
+	bl_level(50);
+
+	/* Initialize keypad driver */
+	keypad_init(keymap, with_irq);
+
+	/* Initialize ABB driver (uses SPI) */
+	twl3025_init();
+
+	/* Initialize TIFFS reader (13 sectors of 256 KiB each) */
+	tiffs_init(0x01800000, 0x40000, 13);
+}
diff --git a/src/target/firmware/board/se_k2x0/keymap.h b/src/target/firmware/board/se_k2x0/keymap.h
new file mode 100644
index 00000000..aa2d8a56
--- /dev/null
+++ b/src/target/firmware/board/se_k2x0/keymap.h
@@ -0,0 +1,28 @@
+/* Keymap for SE K200i/K220i */
+static const uint8_t keymap[] = {
+	[KEY_0]		= 9,
+	[KEY_1]		= 1,
+	[KEY_2]		= 6,
+	[KEY_3]		= 11,
+	[KEY_4]		= 2,
+	[KEY_5]		= 7,
+	[KEY_6]		= 12,
+	[KEY_7]		= 3,
+	[KEY_8]		= 8,
+	[KEY_9]		= 13,
+	[KEY_STAR]	= 4,
+	[KEY_HASH]	= 14,
+	[KEY_MENU]	= 21,	/* not existent */
+	[KEY_LEFT_SB]	= 0,
+	[KEY_RIGHT_SB]	= 5,
+	[KEY_UP]	= 16,
+	[KEY_DOWN]	= 15,
+	[KEY_LEFT]	= 17,
+	[KEY_RIGHT]	= 18,
+	[KEY_OK]	= 10,
+/* power button is not connected to keypad scan matrix but to TWL3025 */
+	[KEY_POWER]	= 31,
+	[KEY_MINUS]	= 22,	/* not existent */
+	[KEY_PLUS]	= 23,	/* not existent */
+	[KEY_CAMERA]	= 24,	/* not existent */
+};
diff --git a/src/target/firmware/board/se_k2x0/rffe_k2x0.c b/src/target/firmware/board/se_k2x0/rffe_k2x0.c
new file mode 100644
index 00000000..f9965acd
--- /dev/null
+++ b/src/target/firmware/board/se_k2x0/rffe_k2x0.c
@@ -0,0 +1,122 @@
+/* RF frontend driver for Sony Ericsson K200i/K220i */
+
+/* (C) 2022 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>
+
+/* This is a value that has been measured on the C123 by Harald: 71dBm,
+   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	71
+
+/* describe how the RF frontend is wired on the SE K200i/K220i */
+#define		RITA_RESET	TSPACT(0)	/* Reset of the Rita TRF6151, correct for K200i */
+#define		PA_ENABLE	TSPACT(9)	/* Enable the Power Amplifier */
+#define		DCS_TXEN	TSPACT(3)	/* DCS (as opposed to GSM) Transmit */
+
+#define		ASM_VC1		TSPACT(1)	/* GSM1800 TX at antenna switch, inverted */
+#define		ASM_VC2		TSPACT(2)	/* GSM900 TX at antenna switch, inverted */
+
+#define		IOTA_STROBE	TSPEN(1)	/* Strobe for the Iota TSP */
+#define		RITA_STROBE	TSPEN(2)	/* Strobe for the Rita TSP */
+
+/* switch RF Frontend Mode */
+void rffe_mode(enum gsm_band band, int tx)
+{
+	uint16_t tspact = tsp_act_state();
+
+	/* First we mask off all bits from the state cache */
+	tspact &= ~(PA_ENABLE | DCS_TXEN);
+	tspact |= ASM_VC1 | ASM_VC2;
+
+#ifdef CONFIG_TX_ENABLE
+	/* Then we selectively set the bits on, if required */
+	if (tx) {
+		if ((band == GSM_BAND_1800) || band == (GSM_BAND_1900)) {
+			tspact |= DCS_TXEN;
+			tspact &= ~ASM_VC1;
+		} else
+			tspact &= ~ASM_VC2;
+
+		tspact |= PA_ENABLE;
+	}
+#endif /* TRANSMIT_SUPPORT */
+
+	tsp_act_update(tspact);
+}
+
+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 MCU_SW_TRACE	0xfffef00e
+#define ARM_CONF_REG	0xfffef006
+#define ASIC_CONF_REG	0xfffef008
+
+void rffe_init(void)
+{
+	/* Configure the TSPEN which is connected to the TWL3025 */
+	tsp_setup(IOTA_STROBE, 1, 0, 0);
+
+	trf6151_init(RITA_STROBE, RITA_RESET);
+}
+
+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 */
+}