u-boot/board/tbs/tbs2910/tbs2910.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2014 Soeren Moch <smoch@web.de>
*/
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
#include <linux/errno.h>
#include <asm/gpio.h>
imx: reorganize IMX code as other SOCs Change is consistent with other SOCs and it is in preparation for adding SOMs. SOC's related files are moved from cpu/ to mach-imx/<SOC>. This change is also coherent with the structure in kernel. Signed-off-by: Stefano Babic <sbabic@denx.de> CC: Fabio Estevam <fabio.estevam@nxp.com> CC: Akshay Bhat <akshaybhat@timesys.com> CC: Ken Lin <Ken.Lin@advantech.com.tw> CC: Marek Vasut <marek.vasut@gmail.com> CC: Heiko Schocher <hs@denx.de> CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com> CC: Christian Gmeiner <christian.gmeiner@gmail.com> CC: Stefan Roese <sr@denx.de> CC: Patrick Bruenn <p.bruenn@beckhoff.com> CC: Troy Kisky <troy.kisky@boundarydevices.com> CC: Nikita Kiryanov <nikita@compulab.co.il> CC: Otavio Salvador <otavio@ossystems.com.br> CC: "Eric Bénard" <eric@eukrea.com> CC: Jagan Teki <jagan@amarulasolutions.com> CC: Ye Li <ye.li@nxp.com> CC: Peng Fan <peng.fan@nxp.com> CC: Adrian Alonso <adrian.alonso@nxp.com> CC: Alison Wang <b18965@freescale.com> CC: Tim Harvey <tharvey@gateworks.com> CC: Martin Donnelly <martin.donnelly@ge.com> CC: Marcin Niestroj <m.niestroj@grinn-global.com> CC: Lukasz Majewski <lukma@denx.de> CC: Adam Ford <aford173@gmail.com> CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr> CC: Boris Brezillon <boris.brezillon@free-electrons.com> CC: Soeren Moch <smoch@web.de> CC: Richard Hu <richard.hu@technexion.com> CC: Wig Cheng <wig.cheng@technexion.com> CC: Vanessa Maegima <vanessa.maegima@nxp.com> CC: Max Krummenacher <max.krummenacher@toradex.com> CC: Stefan Agner <stefan.agner@toradex.com> CC: Markus Niebel <Markus.Niebel@tq-group.com> CC: Breno Lima <breno.lima@nxp.com> CC: Francesco Montefoschi <francesco.montefoschi@udoo.org> CC: Jaehoon Chung <jh80.chung@samsung.com> CC: Scott Wood <oss@buserror.net> CC: Joe Hershberger <joe.hershberger@ni.com> CC: Anatolij Gustschin <agust@denx.de> CC: Simon Glass <sjg@chromium.org> CC: "Andrew F. Davis" <afd@ti.com> CC: "Łukasz Majewski" <l.majewski@samsung.com> CC: Patrice Chotard <patrice.chotard@st.com> CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> CC: Hans de Goede <hdegoede@redhat.com> CC: Masahiro Yamada <yamada.masahiro@socionext.com> CC: Stephen Warren <swarren@nvidia.com> CC: Andre Przywara <andre.przywara@arm.com> CC: "Álvaro Fernández Rojas" <noltari@gmail.com> CC: York Sun <york.sun@nxp.com> CC: Xiaoliang Yang <xiaoliang.yang@nxp.com> CC: Chen-Yu Tsai <wens@csie.org> CC: George McCollister <george.mccollister@gmail.com> CC: Sven Ebenfeld <sven.ebenfeld@gmail.com> CC: Filip Brozovic <fbrozovic@gmail.com> CC: Petr Kulhavy <brain@jikos.cz> CC: Eric Nelson <eric@nelint.com> CC: Bai Ping <ping.bai@nxp.com> CC: Anson Huang <Anson.Huang@nxp.com> CC: Sanchayan Maity <maitysanchayan@gmail.com> CC: Lokesh Vutla <lokeshvutla@ti.com> CC: Patrick Delaunay <patrick.delaunay@st.com> CC: Gary Bisson <gary.bisson@boundarydevices.com> CC: Alexander Graf <agraf@suse.de> CC: u-boot@lists.denx.de Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2017-06-29 08:16:06 +00:00
#include <asm/mach-imx/iomux-v3.h>
#include <asm/mach-imx/boot_mode.h>
#include <asm/mach-imx/video.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/arch/crm_regs.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
DECLARE_GLOBAL_DATA_PTR;
#define WEAK_PULLUP (PAD_CTL_PUS_47K_UP | \
PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
PAD_CTL_SRE_SLOW)
#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
static iomux_v3_cfg_t const uart1_pads[] = {
MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static iomux_v3_cfg_t const uart2_pads[] = {
MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static iomux_v3_cfg_t const enet_pads[] = {
MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
/* AR8035 PHY Reset */
MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const pcie_pads[] = {
/* W_DISABLE# */
MX6_PAD_KEY_COL4__GPIO4_IO14 | MUX_PAD_CTRL(WEAK_PULLUP),
/* PERST# */
MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
int dram_init(void)
{
gd->ram_size = 2048ul * 1024 * 1024;
return 0;
}
static void setup_iomux_enet(void)
{
imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
/* Reset AR8035 PHY */
gpio_request(IMX_GPIO_NR(1, 25), "ETH_PHY_RESET");
gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
udelay(500);
gpio_set_value(IMX_GPIO_NR(1, 25), 1);
}
static void setup_pcie(void)
{
imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
}
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
}
#ifdef CONFIG_FSL_ESDHC
/* set environment device to boot device when booting from SD */
int board_mmc_get_env_dev(int devno)
{
return devno - 1;
}
int board_mmc_get_env_part(int devno)
{
return (devno == 3) ? 1 : 0; /* part 0 for SD2 / SD3, part 1 for eMMC */
}
#endif /* CONFIG_FSL_ESDHC */
#ifdef CONFIG_VIDEO_IPUV3
static void do_enable_hdmi(struct display_info_t const *dev)
{
imx_enable_hdmi_phy();
}
struct display_info_t const displays[] = {{
.bus = -1,
.addr = 0,
.pixfmt = IPU_PIX_FMT_RGB24,
.detect = detect_hdmi,
.enable = do_enable_hdmi,
.mode = {
.name = "HDMI",
/* 1024x768@60Hz (VESA)*/
.refresh = 60,
.xres = 1024,
.yres = 768,
.pixclock = 15384,
.left_margin = 160,
.right_margin = 24,
.upper_margin = 29,
.lower_margin = 3,
.hsync_len = 136,
.vsync_len = 6,
.sync = FB_SYNC_EXT,
.vmode = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);
static void setup_display(void)
{
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
int reg;
s32 timeout = 100000;
enable_ipu_clock();
imx_setup_hdmi();
/* set video pll to 455MHz (24MHz * (37+11/12) / 2) */
reg = readl(&ccm->analog_pll_video);
reg |= BM_ANADIG_PLL_VIDEO_POWERDOWN;
writel(reg, &ccm->analog_pll_video);
reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT;
reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(37);
reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT;
reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1);
writel(reg, &ccm->analog_pll_video);
writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN;
writel(reg, &ccm->analog_pll_video);
while (timeout--)
if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
break;
if (timeout < 0)
printf("Warning: video pll lock timeout!\n");
reg = readl(&ccm->analog_pll_video);
reg |= BM_ANADIG_PLL_VIDEO_ENABLE;
reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS;
writel(reg, &ccm->analog_pll_video);
/* gate ipu1_di0_clk */
reg = readl(&ccm->CCGR3);
reg &= ~MXC_CCM_CCGR3_LDB_DI0_MASK;
writel(reg, &ccm->CCGR3);
/* select video_pll clock / 7 for ipu1_di0_clk -> 65MHz pixclock */
reg = readl(&ccm->chsccdr);
reg &= ~(MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK |
MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK |
MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK);
reg |= (2 << MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET) |
(6 << MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET) |
(0 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
writel(reg, &ccm->chsccdr);
/* enable ipu1_di0_clk */
reg = readl(&ccm->CCGR3);
reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
writel(reg, &ccm->CCGR3);
}
#endif /* CONFIG_VIDEO_IPUV3 */
static int ar8035_phy_fixup(struct phy_device *phydev)
{
unsigned short val;
/* To enable AR8035 ouput a 125MHz clk from CLK_25M */
phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
val &= 0xffe3;
val |= 0x18;
phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
/* introduce tx clock delay */
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
val |= 0x0100;
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
return 0;
}
int board_phy_config(struct phy_device *phydev)
{
ar8035_phy_fixup(phydev);
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
int board_eth_init(bd_t *bis)
{
setup_iomux_enet();
setup_pcie();
return cpu_eth_init(bis);
}
int board_early_init_f(void)
{
setup_iomux_uart();
return 0;
}
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
{"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
/* 8 bit bus width */
{"emmc", MAKE_CFGVAL(0x60, 0x58, 0x00, 0x00)},
{NULL, 0},
};
#endif
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
#ifdef CONFIG_VIDEO_IPUV3
setup_display();
#endif
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
return 0;
}