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u-boot/board/nokia/rx51/rx51.c
Masahiro Yamada b75d8dc564 treewide: convert bd_t to struct bd_info by coccinelle 
The Linux coding style guide (Documentation/process/coding-style.rst)
clearly says:

  It's a **mistake** to use typedef for structures and pointers.

Besides, using typedef for structures is annoying when you try to make
headers self-contained.

Let's say you have the following function declaration in a header:

  void foo(bd_t *bd);

This is not self-contained since bd_t is not defined.

To tell the compiler what 'bd_t' is, you need to include <asm/u-boot.h>

  #include <asm/u-boot.h>
  void foo(bd_t *bd);

Then, the include direcective pulls in more bloat needlessly.

If you use 'struct bd_info' instead, it is enough to put a forward
declaration as follows:

  struct bd_info;
  void foo(struct bd_info *bd);

Right, typedef'ing bd_t is a mistake.

I used coccinelle to generate this commit.

The semantic patch that makes this change is as follows:

  <smpl>
  @@
  typedef bd_t;
  @@
  -bd_t
  +struct bd_info
  </smpl>

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-07-17 09:30:13 -04:00

687 lines
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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2012
* Ивайло Димитров <freemangordon@abv.bg>
*
* (C) Copyright 2011-2012
* Pali Rohár <pali@kernel.org>
*
* (C) Copyright 2010
* Alistair Buxton <a.j.buxton@gmail.com>
*
* Derived from Beagle Board and 3430 SDP code:
* (C) Copyright 2004-2008
* Texas Instruments, <www.ti.com>
*
* Author :
* Sunil Kumar <sunilsaini05@gmail.com>
* Shashi Ranjan <shashiranjanmca05@gmail.com>
*
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <khasim@ti.com>
*/
#include <common.h>
#include <env.h>
#include <init.h>
#include <watchdog.h>
#include <malloc.h>
#include <twl4030.h>
#include <i2c.h>
#include <video_fb.h>
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/bitops.h>
#include <asm/mach-types.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mmc_host_def.h>
#include "rx51.h"
#include "tag_omap.h"
DECLARE_GLOBAL_DATA_PTR;
GraphicDevice gdev;
const omap3_sysinfo sysinfo = {
DDR_STACKED,
"Nokia RX-51",
"OneNAND"
};
/* This structure contains default omap tags needed for booting Maemo 5 */
static struct tag_omap omap[] = {
OMAP_TAG_UART_CONFIG(0x04),
OMAP_TAG_SERIAL_CONSOLE_CONFIG(0x03, 0x01C200),
OMAP_TAG_LCD_CONFIG("acx565akm", "internal", 90, 0x18),
OMAP_TAG_GPIO_SWITCH_CONFIG("cam_focus", 0x44, 0x1, 0x2, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("cam_launch", 0x45, 0x1, 0x2, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("cam_shutter", 0x6e, 0x1, 0x0, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_apeslpx", 0x46, 0x2, 0x2, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_bsi", 0x9d, 0x2, 0x2, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_en", 0x4a, 0x2, 0x2, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_rst", 0x4b, 0x6, 0x2, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_rst_rq", 0x49, 0x6, 0x2, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_wddis", 0x0d, 0x2, 0x2, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("headphone", 0xb1, 0x1, 0x1, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("kb_lock", 0x71, 0x1, 0x0, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("proximity", 0x59, 0x0, 0x0, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("sleep_ind", 0xa2, 0x2, 0x2, 0x0),
OMAP_TAG_GPIO_SWITCH_CONFIG("slide", GPIO_SLIDE, 0x0, 0x0, 0x0),
OMAP_TAG_WLAN_CX3110X_CONFIG(0x25, 0xff, 87, 42, -1),
OMAP_TAG_PARTITION_CONFIG("bootloader", 128 * 1024, 0x00000000, 0x00000003),
OMAP_TAG_PARTITION_CONFIG("config", 384 * 1024, 0x00020000, 0x00000000),
OMAP_TAG_PARTITION_CONFIG("log", 256 * 1024, 0x00080000, 0x00000000),
OMAP_TAG_PARTITION_CONFIG("kernel", 2 * 1024*1024, 0x000c0000, 0x00000000),
OMAP_TAG_PARTITION_CONFIG("initfs", 2 * 1024*1024, 0x002c0000, 0x00000000),
OMAP_TAG_PARTITION_CONFIG("rootfs", 257280 * 1024, 0x004c0000, 0x00000000),
OMAP_TAG_BOOT_REASON_CONFIG("pwr_key"),
OMAP_TAG_VERSION_STR_CONFIG("product", "RX-51"),
OMAP_TAG_VERSION_STR_CONFIG("hw-build", "2101"),
OMAP_TAG_VERSION_STR_CONFIG("nolo", "1.4.14"),
OMAP_TAG_VERSION_STR_CONFIG("boot-mode", "normal"),
{ }
};
static char *boot_reason_ptr;
static char *hw_build_ptr;
static char *nolo_version_ptr;
static char *boot_mode_ptr;
static int serial_was_console_enabled;
/*
* Routine: init_omap_tags
* Description: Initialize pointers to values in tag_omap
*/
static void init_omap_tags(void)
{
char *component;
char *version;
int i = 0;
while (omap[i].hdr.tag) {
switch (omap[i].hdr.tag) {
case OMAP_TAG_BOOT_REASON:
boot_reason_ptr = omap[i].u.boot_reason.reason_str;
break;
case OMAP_TAG_VERSION_STR:
component = omap[i].u.version.component;
version = omap[i].u.version.version;
if (strcmp(component, "hw-build") == 0)
hw_build_ptr = version;
else if (strcmp(component, "nolo") == 0)
nolo_version_ptr = version;
else if (strcmp(component, "boot-mode") == 0)
boot_mode_ptr = version;
break;
default:
break;
}
i++;
}
}
static void reuse_omap_atags(struct tag_omap *t)
{
char *component;
char *version;
while (t->hdr.tag) {
switch (t->hdr.tag) {
case OMAP_TAG_BOOT_REASON:
memset(boot_reason_ptr, 0, 12);
strcpy(boot_reason_ptr, t->u.boot_reason.reason_str);
break;
case OMAP_TAG_VERSION_STR:
component = t->u.version.component;
version = t->u.version.version;
if (strcmp(component, "hw-build") == 0) {
memset(hw_build_ptr, 0, 12);
strcpy(hw_build_ptr, version);
} else if (strcmp(component, "nolo") == 0) {
memset(nolo_version_ptr, 0, 12);
strcpy(nolo_version_ptr, version);
} else if (strcmp(component, "boot-mode") == 0) {
memset(boot_mode_ptr, 0, 12);
strcpy(boot_mode_ptr, version);
}
break;
case OMAP_TAG_UART:
if (t->u.uart.enabled_uarts)
serial_was_console_enabled = 1;
break;
case OMAP_TAG_SERIAL_CONSOLE:
serial_was_console_enabled = 1;
break;
default:
break;
}
t = tag_omap_next(t);
}
}
/*
* Routine: reuse_atags
* Description: Reuse atags from previous bootloader.
* Reuse only only HW build, boot reason, boot mode and nolo
*/
static void reuse_atags(void)
{
struct tag *t = (struct tag *)gd->bd->bi_boot_params;
/* First tag must be ATAG_CORE */
if (t->hdr.tag != ATAG_CORE)
return;
if (!boot_reason_ptr || !hw_build_ptr)
return;
/* Last tag must be ATAG_NONE */
while (t->hdr.tag != ATAG_NONE) {
switch (t->hdr.tag) {
case ATAG_REVISION:
memset(hw_build_ptr, 0, 12);
sprintf(hw_build_ptr, "%x", t->u.revision.rev);
break;
case ATAG_BOARD:
reuse_omap_atags((struct tag_omap *)&t->u);
break;
default:
break;
}
t = tag_next(t);
}
}
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
/* in SRAM or SDRAM, finish GPMC */
gpmc_init();
/* boot param addr */
gd->bd->bi_boot_params = OMAP34XX_SDRC_CS0 + 0x100;
return 0;
}
/*
* Routine: get_board_revision
* Description: Return board revision.
*/
u32 get_board_rev(void)
{
return simple_strtol(hw_build_ptr, NULL, 16);
}
/*
* Routine: setup_board_tags
* Description: Append board specific boot tags.
*/
void setup_board_tags(struct tag **in_params)
{
int setup_console_atag;
char *setup_boot_reason_atag;
char *setup_boot_mode_atag;
char *str;
int i;
int size;
int total_size;
struct tag *params;
struct tag_omap *t;
params = (struct tag *)gd->bd->bi_boot_params;
params->u.core.flags = 0x0;
params->u.core.pagesize = 0x1000;
params->u.core.rootdev = 0x0;
/* append omap atag only if env setup_omap_atag is set to 1 */
str = env_get("setup_omap_atag");
if (!str || str[0] != '1')
return;
str = env_get("setup_console_atag");
if (str && str[0]) {
if (str[0] == '1')
setup_console_atag = 1;
else
setup_console_atag = 0;
} else {
if (serial_was_console_enabled)
setup_console_atag = 1;
else
setup_console_atag = 0;
}
setup_boot_reason_atag = env_get("setup_boot_reason_atag");
setup_boot_mode_atag = env_get("setup_boot_mode_atag");
params = *in_params;
t = (struct tag_omap *)&params->u;
total_size = sizeof(struct tag_header);
for (i = 0; omap[i].hdr.tag; i++) {
/* skip serial console tag */
if (!setup_console_atag &&
omap[i].hdr.tag == OMAP_TAG_SERIAL_CONSOLE)
continue;
size = omap[i].hdr.size + sizeof(struct tag_omap_header);
memcpy(t, &omap[i], size);
/* set uart tag to 0 - disable serial console */
if (!setup_console_atag && omap[i].hdr.tag == OMAP_TAG_UART)
t->u.uart.enabled_uarts = 0;
/* change boot reason */
if (setup_boot_reason_atag &&
omap[i].hdr.tag == OMAP_TAG_BOOT_REASON) {
memset(t->u.boot_reason.reason_str, 0, 12);
strcpy(t->u.boot_reason.reason_str,
setup_boot_reason_atag);
}
/* change boot mode */
if (setup_boot_mode_atag &&
omap[i].hdr.tag == OMAP_TAG_VERSION_STR &&
strcmp(omap[i].u.version.component, "boot-mode") == 0) {
memset(t->u.version.version, 0, 12);
strcpy(t->u.version.version, setup_boot_mode_atag);
}
total_size += size;
t = tag_omap_next(t);
}
params->hdr.tag = ATAG_BOARD;
params->hdr.size = total_size >> 2;
params = tag_next(params);
*in_params = params;
}
/*
* Routine: video_hw_init
* Description: Set up the GraphicDevice depending on sys_boot.
*/
void *video_hw_init(void)
{
/* fill in Graphic Device */
gdev.frameAdrs = 0x8f9c0000;
gdev.winSizeX = 800;
gdev.winSizeY = 480;
gdev.gdfBytesPP = 2;
gdev.gdfIndex = GDF_16BIT_565RGB;
memset((void *)gdev.frameAdrs, 0, 0xbb800);
return (void *) &gdev;
}
/*
* Routine: twl4030_regulator_set_mode
* Description: Set twl4030 regulator mode over i2c powerbus.
*/
static void twl4030_regulator_set_mode(u8 id, u8 mode)
{
u16 msg = MSG_SINGULAR(DEV_GRP_P1, id, mode);
twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER,
TWL4030_PM_MASTER_PB_WORD_MSB, msg >> 8);
twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER,
TWL4030_PM_MASTER_PB_WORD_LSB, msg & 0xff);
}
static void omap3_emu_romcode_call(u32 service_id, u32 *parameters)
{
u32 i, num_params = *parameters;
u32 *sram_scratch_space = (u32 *)OMAP3_PUBLIC_SRAM_SCRATCH_AREA;
/*
* copy the parameters to an un-cached area to avoid coherency
* issues
*/
for (i = 0; i < num_params; i++) {
__raw_writel(*parameters, sram_scratch_space);
parameters++;
sram_scratch_space++;
}
/* Now make the PPA call */
do_omap3_emu_romcode_call(service_id, OMAP3_PUBLIC_SRAM_SCRATCH_AREA);
}
void omap3_set_aux_cr_secure(u32 acr)
{
struct emu_hal_params_rx51 emu_romcode_params = { 0, };
emu_romcode_params.num_params = 2;
emu_romcode_params.param1 = acr;
omap3_emu_romcode_call(OMAP3_EMU_HAL_API_WRITE_ACR,
(u32 *)&emu_romcode_params);
}
/*
* Routine: omap3_update_aux_cr_secure_rx51
* Description: Modify the contents Auxiliary Control Register.
* Parameters:
* set_bits - bits to set in ACR
* clr_bits - bits to clear in ACR
*/
static void omap3_update_aux_cr_secure_rx51(u32 set_bits, u32 clear_bits)
{
u32 acr;
/* Read ACR */
asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr));
acr &= ~clear_bits;
acr |= set_bits;
omap3_set_aux_cr_secure(acr);
}
/*
* Routine: misc_init_r
* Description: Configure board specific parts.
*/
int misc_init_r(void)
{
char buf[12];
u8 state;
/* reset lp5523 led */
i2c_set_bus_num(1);
state = 0xff;
i2c_write(0x32, 0x3d, 1, &state, 1);
i2c_set_bus_num(0);
/* initialize twl4030 power managment */
twl4030_power_init();
/* set VSIM to 1.8V */
twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VSIM_DEDICATED,
TWL4030_PM_RECEIVER_VSIM_VSEL_18,
TWL4030_PM_RECEIVER_VSIM_DEV_GRP,
TWL4030_PM_RECEIVER_DEV_GRP_P1);
/* store I2C access state */
twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER, TWL4030_PM_MASTER_PB_CFG,
&state);
/* enable I2C access to powerbus (needed for twl4030 regulator) */
twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, TWL4030_PM_MASTER_PB_CFG,
0x02);
/* set VAUX3, VSIM and VMMC1 state to active - enable eMMC memory */
twl4030_regulator_set_mode(RES_VAUX3, RES_STATE_ACTIVE);
twl4030_regulator_set_mode(RES_VSIM, RES_STATE_ACTIVE);
twl4030_regulator_set_mode(RES_VMMC1, RES_STATE_ACTIVE);
/* restore I2C access state */
twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, TWL4030_PM_MASTER_PB_CFG,
state);
/* set env variable attkernaddr for relocated kernel */
sprintf(buf, "%#x", KERNEL_ADDRESS);
env_set("attkernaddr", buf);
/* initialize omap tags */
init_omap_tags();
/* reuse atags from previous bootloader */
reuse_atags();
omap_die_id_display();
print_cpuinfo();
/*
* Cortex-A8(r1p0..r1p2) errata 430973 workaround
* Set IBE bit in Auxiliary Control Register
*
* Call this routine only on real secure device
* Qemu does not implement secure PPA and crash
*/
if (get_device_type() == HS_DEVICE)
omap3_update_aux_cr_secure_rx51(1 << 6, 0);
return 0;
}
/*
* Routine: set_muxconf_regs
* Description: Setting up the configuration Mux registers specific to the
* hardware. Many pins need to be moved from protect to primary
* mode.
*/
void set_muxconf_regs(void)
{
MUX_RX51();
}
static unsigned long int twl_wd_time; /* last time of watchdog reset */
static unsigned long int twl_i2c_lock;
/*
* Routine: hw_watchdog_reset
* Description: Reset timeout of twl4030 watchdog.
*/
void hw_watchdog_reset(void)
{
u8 timeout = 0;
/* do not reset watchdog too often - max every 4s */
if (get_timer(twl_wd_time) < 4 * CONFIG_SYS_HZ)
return;
/* localy lock twl4030 i2c bus */
if (test_and_set_bit(0, &twl_i2c_lock))
return;
/* read actual watchdog timeout */
twl4030_i2c_read_u8(TWL4030_CHIP_PM_RECEIVER,
TWL4030_PM_RECEIVER_WATCHDOG_CFG, &timeout);
/* timeout 0 means watchdog is disabled */
/* reset watchdog timeout to 31s (maximum) */
if (timeout != 0)
twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
TWL4030_PM_RECEIVER_WATCHDOG_CFG, 31);
/* store last watchdog reset time */
twl_wd_time = get_timer(0);
/* localy unlock twl4030 i2c bus */
test_and_clear_bit(0, &twl_i2c_lock);
}
/*
* TWL4030 keypad handler for cfb_console
*/
static const char keymap[] = {
/* normal */
'q', 'o', 'p', ',', '\b', 0, 'a', 's',
'w', 'd', 'f', 'g', 'h', 'j', 'k', 'l',
'e', '.', 0, '\r', 0, 'z', 'x', 'c',
'r', 'v', 'b', 'n', 'm', ' ', ' ', 0,
't', 0, 0, 0, 0, 0, 0, 0,
'y', 0, 0, 0, 0, 0, 0, 0,
'u', 0, 0, 0, 0, 0, 0, 0,
'i', 5, 6, 0, 0, 0, 0, 0,
/* fn */
'1', '9', '0', '=', '\b', 0, '*', '+',
'2', '#', '-', '_', '(', ')', '&', '!',
'3', '?', '^', '\r', 0, 156, '$', 238,
'4', '/', '\\', '"', '\'', '@', 0, '<',
'5', '|', '>', 0, 0, 0, 0, 0,
'6', 0, 0, 0, 0, 0, 0, 0,
'7', 0, 0, 0, 0, 0, 0, 0,
'8', 16, 17, 0, 0, 0, 0, 0,
};
static u8 keys[8];
static u8 old_keys[8] = {0, 0, 0, 0, 0, 0, 0, 0};
#define KEYBUF_SIZE 32
static u8 keybuf[KEYBUF_SIZE];
static u8 keybuf_head;
static u8 keybuf_tail;
/*
* Routine: rx51_kp_init
* Description: Initialize HW keyboard.
*/
int rx51_kp_init(void)
{
int ret = 0;
u8 ctrl;
ret = twl4030_i2c_read_u8(TWL4030_CHIP_KEYPAD,
TWL4030_KEYPAD_KEYP_CTRL_REG, &ctrl);
if (ret)
return ret;
/* turn on keyboard and use hardware scanning */
ctrl |= TWL4030_KEYPAD_CTRL_KBD_ON;
ctrl |= TWL4030_KEYPAD_CTRL_SOFT_NRST;
ctrl |= TWL4030_KEYPAD_CTRL_SOFTMODEN;
ret |= twl4030_i2c_write_u8(TWL4030_CHIP_KEYPAD,
TWL4030_KEYPAD_KEYP_CTRL_REG, ctrl);
/* enable key event status */
ret |= twl4030_i2c_write_u8(TWL4030_CHIP_KEYPAD,
TWL4030_KEYPAD_KEYP_IMR1, 0xfe);
/* enable interrupt generation on rising and falling */
/* this is a workaround for qemu twl4030 emulation */
ret |= twl4030_i2c_write_u8(TWL4030_CHIP_KEYPAD,
TWL4030_KEYPAD_KEYP_EDR, 0x57);
/* enable ISR clear on read */
ret |= twl4030_i2c_write_u8(TWL4030_CHIP_KEYPAD,
TWL4030_KEYPAD_KEYP_SIH_CTRL, 0x05);
return 0;
}
static void rx51_kp_fill(u8 k, u8 mods)
{
/* check if some cursor key without meta fn key was pressed */
if (!(mods & 2) && (k == 18 || k == 31 || k == 33 || k == 34)) {
keybuf[keybuf_tail++] = '\e';
keybuf_tail %= KEYBUF_SIZE;
keybuf[keybuf_tail++] = '[';
keybuf_tail %= KEYBUF_SIZE;
if (k == 18) /* up */
keybuf[keybuf_tail++] = 'A';
else if (k == 31) /* left */
keybuf[keybuf_tail++] = 'D';
else if (k == 33) /* down */
keybuf[keybuf_tail++] = 'B';
else if (k == 34) /* right */
keybuf[keybuf_tail++] = 'C';
keybuf_tail %= KEYBUF_SIZE;
return;
}
if (mods & 2) { /* fn meta key was pressed */
k = keymap[k+64];
} else {
k = keymap[k];
if (mods & 1) { /* ctrl key was pressed */
if (k >= 'a' && k <= 'z')
k -= 'a' - 1;
}
if (mods & 4) { /* shift key was pressed */
if (k >= 'a' && k <= 'z')
k += 'A' - 'a';
else if (k == '.')
k = ':';
else if (k == ',')
k = ';';
}
}
keybuf[keybuf_tail++] = k;
keybuf_tail %= KEYBUF_SIZE;
}
/*
* Routine: rx51_kp_tstc
* Description: Test if key was pressed (from buffer).
*/
int rx51_kp_tstc(struct stdio_dev *sdev)
{
u8 c, r, dk, i;
u8 intr;
u8 mods;
/* localy lock twl4030 i2c bus */
if (test_and_set_bit(0, &twl_i2c_lock))
return 0;
/* twl4030 remembers up to 2 events */
for (i = 0; i < 2; i++) {
/* check interrupt register for events */
twl4030_i2c_read_u8(TWL4030_CHIP_KEYPAD,
TWL4030_KEYPAD_KEYP_ISR1 + (2 * i), &intr);
/* no event */
if (!(intr&1))
continue;
/* read the key state */
i2c_read(TWL4030_CHIP_KEYPAD,
TWL4030_KEYPAD_FULL_CODE_7_0, 1, keys, 8);
/* cut out modifier keys from the keystate */
mods = keys[4] >> 4;
keys[4] &= 0x0f;
for (c = 0; c < 8; c++) {
/* get newly pressed keys only */
dk = ((keys[c] ^ old_keys[c])&keys[c]);
old_keys[c] = keys[c];
/* fill the keybuf */
for (r = 0; r < 8; r++) {
if (dk&1)
rx51_kp_fill((c*8)+r, mods);
dk = dk >> 1;
}
}
}
/* localy unlock twl4030 i2c bus */
test_and_clear_bit(0, &twl_i2c_lock);
return (KEYBUF_SIZE + keybuf_tail - keybuf_head)%KEYBUF_SIZE;
}
/*
* Routine: rx51_kp_getc
* Description: Get last pressed key (from buffer).
*/
int rx51_kp_getc(struct stdio_dev *sdev)
{
keybuf_head %= KEYBUF_SIZE;
while (!rx51_kp_tstc(sdev))
WATCHDOG_RESET();
return keybuf[keybuf_head++];
}
/*
* Routine: board_mmc_init
* Description: Initialize mmc devices.
*/
int board_mmc_init(struct bd_info *bis)
{
omap_mmc_init(0, 0, 0, -1, -1);
omap_mmc_init(1, 0, 0, -1, -1);
return 0;
}
void board_mmc_power_init(void)
{
twl4030_power_mmc_init(0);
twl4030_power_mmc_init(1);
}
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