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u-boot/board/gdsys/mpc8308/strider.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

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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2014
* Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
*/
#include <common.h>
#include <env.h>
#include <flash.h>
#include <hwconfig.h>
#include <i2c.h>
#include <init.h>
#include <spi.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/libfdt.h>
#include <fdt_support.h>
#include <pci.h>
#include <mpc83xx.h>
#include <fsl_esdhc.h>
#include <asm/io.h>
#include <asm/fsl_serdes.h>
#include <asm/fsl_mpc83xx_serdes.h>
#include "mpc8308.h"
#include <gdsys_fpga.h>
#include "../common/adv7611.h"
#include "../common/ch7301.h"
#include "../common/dp501.h"
#include "../common/ioep-fpga.h"
#include "../common/mclink.h"
#include "../common/osd.h"
#include "../common/phy.h"
#include "../common/fanctrl.h"
#include <pca953x.h>
#include <pca9698.h>
#include <miiphy.h>
#define MAX_MUX_CHANNELS 2
enum {
MCFPGA_DONE = 1 << 0,
MCFPGA_INIT_N = 1 << 1,
MCFPGA_PROGRAM_N = 1 << 2,
MCFPGA_UPDATE_ENABLE_N = 1 << 3,
MCFPGA_RESET_N = 1 << 4,
};
enum {
GPIO_MDC = 1 << 14,
GPIO_MDIO = 1 << 15,
};
uint mclink_fpgacount;
struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
struct {
u8 bus;
u8 addr;
} strider_fans[] = CONFIG_STRIDER_FANS;
int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data)
{
int res;
switch (fpga) {
case 0:
out_le16(reg, data);
break;
default:
res = mclink_send(fpga - 1, regoff, data);
if (res < 0) {
printf("mclink_send reg %02lx data %04x returned %d\n",
regoff, data, res);
return res;
}
break;
}
return 0;
}
int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data)
{
int res;
switch (fpga) {
case 0:
*data = in_le16(reg);
break;
default:
if (fpga > mclink_fpgacount)
return -EINVAL;
res = mclink_receive(fpga - 1, regoff, data);
if (res < 0) {
printf("mclink_receive reg %02lx returned %d\n",
regoff, res);
return res;
}
}
return 0;
}
int checkboard(void)
{
char *s = env_get("serial#");
bool hw_type_cat = pca9698_get_value(0x20, 18);
puts("Board: ");
printf("Strider %s", hw_type_cat ? "CAT" : "Fiber");
if (s) {
puts(", serial# ");
puts(s);
}
puts("\n");
return 0;
}
int last_stage_init(void)
{
int slaves;
uint k;
uint mux_ch;
uchar mclink_controllers_dvi[] = { 0x3c, 0x3d, 0x3e };
#ifdef CONFIG_STRIDER_CPU
uchar mclink_controllers_dp[] = { 0x24, 0x25, 0x26 };
#endif
bool hw_type_cat = pca9698_get_value(0x20, 18);
#ifdef CONFIG_STRIDER_CON_DP
bool is_dh = pca9698_get_value(0x20, 25);
#endif
bool ch0_sgmii2_present;
/* Turn on Analog Devices ADV7611 */
pca9698_direction_output(0x20, 8, 0);
/* Turn on Parade DP501 */
pca9698_direction_output(0x20, 10, 1);
pca9698_direction_output(0x20, 11, 1);
ch0_sgmii2_present = !pca9698_get_value(0x20, 37);
/* wait for FPGA done, then reset FPGA */
for (k = 0; k < ARRAY_SIZE(mclink_controllers_dvi); ++k) {
uint ctr = 0;
uchar *mclink_controllers = mclink_controllers_dvi;
#ifdef CONFIG_STRIDER_CPU
if (i2c_probe(mclink_controllers[k])) {
mclink_controllers = mclink_controllers_dp;
if (i2c_probe(mclink_controllers[k]))
continue;
}
#else
if (i2c_probe(mclink_controllers[k]))
continue;
#endif
while (!(pca953x_get_val(mclink_controllers[k])
& MCFPGA_DONE)) {
mdelay(100);
if (ctr++ > 5) {
printf("no done for mclink_controller %d\n", k);
break;
}
}
pca953x_set_dir(mclink_controllers[k], MCFPGA_RESET_N, 0);
pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N, 0);
udelay(10);
pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N,
MCFPGA_RESET_N);
}
if (hw_type_cat) {
int retval;
struct mii_dev *mdiodev = mdio_alloc();
if (!mdiodev)
return -ENOMEM;
strncpy(mdiodev->name, bb_miiphy_buses[0].name, MDIO_NAME_LEN);
mdiodev->read = bb_miiphy_read;
mdiodev->write = bb_miiphy_write;
retval = mdio_register(mdiodev);
if (retval < 0)
return retval;
for (mux_ch = 0; mux_ch < MAX_MUX_CHANNELS; ++mux_ch) {
if ((mux_ch == 1) && !ch0_sgmii2_present)
continue;
setup_88e1514(bb_miiphy_buses[0].name, mux_ch);
}
}
/* give slave-PLLs and Parade DP501 some time to be up and running */
mdelay(500);
mclink_fpgacount = CONFIG_SYS_MCLINK_MAX;
slaves = mclink_probe();
mclink_fpgacount = 0;
ioep_fpga_print_info(0);
if (!adv7611_probe(0))
printf(" Advantiv ADV7611 HDMI Receiver\n");
#ifdef CONFIG_STRIDER_CON
if (ioep_fpga_has_osd(0))
osd_probe(0);
#endif
#ifdef CONFIG_STRIDER_CON_DP
if (ioep_fpga_has_osd(0)) {
osd_probe(0);
if (is_dh)
osd_probe(4);
}
#endif
#ifdef CONFIG_STRIDER_CPU
ch7301_probe(0, false);
dp501_probe(0, false);
#endif
if (slaves <= 0)
return 0;
mclink_fpgacount = slaves;
#ifdef CONFIG_STRIDER_CPU
/* get ADV7611 out of reset, power up DP501, give some time to wakeup */
for (k = 1; k <= slaves; ++k)
FPGA_SET_REG(k, extended_control, 0x10); /* enable video */
mdelay(500);
#endif
for (k = 1; k <= slaves; ++k) {
ioep_fpga_print_info(k);
#ifdef CONFIG_STRIDER_CON
if (ioep_fpga_has_osd(k))
osd_probe(k);
#endif
#ifdef CONFIG_STRIDER_CON_DP
if (ioep_fpga_has_osd(k)) {
osd_probe(k);
if (is_dh)
osd_probe(k + 4);
}
#endif
#ifdef CONFIG_STRIDER_CPU
if (!adv7611_probe(k))
printf(" Advantiv ADV7611 HDMI Receiver\n");
ch7301_probe(k, false);
dp501_probe(k, false);
#endif
if (hw_type_cat) {
int retval;
struct mii_dev *mdiodev = mdio_alloc();
if (!mdiodev)
return -ENOMEM;
strncpy(mdiodev->name, bb_miiphy_buses[k].name,
MDIO_NAME_LEN);
mdiodev->read = bb_miiphy_read;
mdiodev->write = bb_miiphy_write;
retval = mdio_register(mdiodev);
if (retval < 0)
return retval;
setup_88e1514(bb_miiphy_buses[k].name, 0);
}
}
for (k = 0; k < ARRAY_SIZE(strider_fans); ++k) {
i2c_set_bus_num(strider_fans[k].bus);
init_fan_controller(strider_fans[k].addr);
}
return 0;
}
/*
* provide access to fpga gpios (for I2C bitbang)
* (these may look all too simple but make iocon.h much more readable)
*/
void fpga_gpio_set(uint bus, int pin)
{
FPGA_SET_REG(bus, gpio.set, pin);
}
void fpga_gpio_clear(uint bus, int pin)
{
FPGA_SET_REG(bus, gpio.clear, pin);
}
int fpga_gpio_get(uint bus, int pin)
{
u16 val;
FPGA_GET_REG(bus, gpio.read, &val);
return val & pin;
}
#ifdef CONFIG_STRIDER_CON_DP
void fpga_control_set(uint bus, int pin)
{
u16 val;
FPGA_GET_REG(bus, control, &val);
FPGA_SET_REG(bus, control, val | pin);
}
void fpga_control_clear(uint bus, int pin)
{
u16 val;
FPGA_GET_REG(bus, control, &val);
FPGA_SET_REG(bus, control, val & ~pin);
}
#endif
void mpc8308_init(void)
{
pca9698_direction_output(0x20, 26, 1);
}
void mpc8308_set_fpga_reset(uint state)
{
pca9698_set_value(0x20, 26, state ? 0 : 1);
}
void mpc8308_setup_hw(void)
{
immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
/*
* set "startup-finished"-gpios
*/
setbits_be32(&immr->gpio[0].dir, BIT(31 - 11) | BIT(31 - 12));
setbits_gpio0_out(BIT(31 - 12));
}
int mpc8308_get_fpga_done(uint fpga)
{
return pca9698_get_value(0x20, 20);
}
#ifdef CONFIG_FSL_ESDHC
int board_mmc_init(struct bd_info *bd)
{
immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
sysconf83xx_t *sysconf = &immr->sysconf;
/* Enable cache snooping in eSDHC system configuration register */
out_be32(&sysconf->sdhccr, 0x02000000);
return fsl_esdhc_mmc_init(bd);
}
#endif
static struct pci_region pcie_regions_0[] = {
{
.bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
.phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
.size = CONFIG_SYS_PCIE1_MEM_SIZE,
.flags = PCI_REGION_MEM,
},
{
.bus_start = CONFIG_SYS_PCIE1_IO_BASE,
.phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
.size = CONFIG_SYS_PCIE1_IO_SIZE,
.flags = PCI_REGION_IO,
},
};
void pci_init_board(void)
{
immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
sysconf83xx_t *sysconf = &immr->sysconf;
law83xx_t *pcie_law = sysconf->pcielaw;
struct pci_region *pcie_reg[] = { pcie_regions_0 };
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
/* Deassert the resets in the control register */
out_be32(&sysconf->pecr1, 0xE0008000);
udelay(2000);
/* Configure PCI Express Local Access Windows */
out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
mpc83xx_pcie_init(1, pcie_reg);
}
ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
{
info->portwidth = FLASH_CFI_16BIT;
info->chipwidth = FLASH_CFI_BY16;
info->interface = FLASH_CFI_X16;
return 1;
}
#if defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, struct bd_info *bd)
{
ft_cpu_setup(blob, bd);
fsl_fdt_fixup_dr_usb(blob, bd);
fdt_fixup_esdhc(blob, bd);
return 0;
}
#endif
/*
* FPGA MII bitbang implementation
*/
struct fpga_mii {
uint fpga;
int mdio;
} fpga_mii[] = {
{ 0, 1},
{ 1, 1},
{ 2, 1},
{ 3, 1},
};
static int mii_dummy_init(struct bb_miiphy_bus *bus)
{
return 0;
}
static int mii_mdio_active(struct bb_miiphy_bus *bus)
{
struct fpga_mii *fpga_mii = bus->priv;
if (fpga_mii->mdio)
FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
else
FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
return 0;
}
static int mii_mdio_tristate(struct bb_miiphy_bus *bus)
{
struct fpga_mii *fpga_mii = bus->priv;
FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
return 0;
}
static int mii_set_mdio(struct bb_miiphy_bus *bus, int v)
{
struct fpga_mii *fpga_mii = bus->priv;
if (v)
FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
else
FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
fpga_mii->mdio = v;
return 0;
}
static int mii_get_mdio(struct bb_miiphy_bus *bus, int *v)
{
u16 gpio;
struct fpga_mii *fpga_mii = bus->priv;
FPGA_GET_REG(fpga_mii->fpga, gpio.read, &gpio);
*v = ((gpio & GPIO_MDIO) != 0);
return 0;
}
static int mii_set_mdc(struct bb_miiphy_bus *bus, int v)
{
struct fpga_mii *fpga_mii = bus->priv;
if (v)
FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDC);
else
FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDC);
return 0;
}
static int mii_delay(struct bb_miiphy_bus *bus)
{
udelay(1);
return 0;
}
struct bb_miiphy_bus bb_miiphy_buses[] = {
{
.name = "board0",
.init = mii_dummy_init,
.mdio_active = mii_mdio_active,
.mdio_tristate = mii_mdio_tristate,
.set_mdio = mii_set_mdio,
.get_mdio = mii_get_mdio,
.set_mdc = mii_set_mdc,
.delay = mii_delay,
.priv = &fpga_mii[0],
},
{
.name = "board1",
.init = mii_dummy_init,
.mdio_active = mii_mdio_active,
.mdio_tristate = mii_mdio_tristate,
.set_mdio = mii_set_mdio,
.get_mdio = mii_get_mdio,
.set_mdc = mii_set_mdc,
.delay = mii_delay,
.priv = &fpga_mii[1],
},
{
.name = "board2",
.init = mii_dummy_init,
.mdio_active = mii_mdio_active,
.mdio_tristate = mii_mdio_tristate,
.set_mdio = mii_set_mdio,
.get_mdio = mii_get_mdio,
.set_mdc = mii_set_mdc,
.delay = mii_delay,
.priv = &fpga_mii[2],
},
{
.name = "board3",
.init = mii_dummy_init,
.mdio_active = mii_mdio_active,
.mdio_tristate = mii_mdio_tristate,
.set_mdio = mii_set_mdio,
.get_mdio = mii_get_mdio,
.set_mdc = mii_set_mdc,
.delay = mii_delay,
.priv = &fpga_mii[3],
},
};
int bb_miiphy_buses_num = ARRAY_SIZE(bb_miiphy_buses);
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