eea0657044
Change-Id: Ica66ad6da61376f64f9d24de015f84d250327d66 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44840 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <bootblock_common.h>
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#include <device/pnp_def.h>
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#include <device/pnp_ops.h>
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#include <device/pnp_type.h>
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#include <stdint.h>
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#include <amdblocks/acpimmio.h>
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#include <superio/fintek/common/fintek.h>
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#include <superio/fintek/f71869ad/f71869ad.h>
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/* Ensure Super I/O config address (i.e., 0x2e or 0x4e) matches that of devicetree.cb */
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#define SUPERIO_ADDRESS 0x4e
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#define SERIAL_DEV PNP_DEV(SUPERIO_ADDRESS, F71869AD_SP1)
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#define GPIO_DEV PNP_DEV(SUPERIO_ADDRESS, F71869AD_GPIO)
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/* GPIO configuration */
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static void gpio_init(pnp_devfn_t dev)
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{
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pnp_enter_conf_state(dev);
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pnp_set_logical_device(dev);
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pnp_set_enable(dev, 0);
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pnp_write_config(dev, PNP_IDX_IO0, 0x0a); //Base addr high
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pnp_write_config(dev, 0x61, 0x00); //Base addr low
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pnp_write_config(dev, 0xe0, 0x04); //GPIO1 output enable
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pnp_write_config(dev, 0xe1, 0xff); //GPIO1 output data
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pnp_write_config(dev, 0xe3, 0x04); //GPIO1 drive enable
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pnp_write_config(dev, 0xe4, 0x00); //GPIO1 PME enable
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pnp_write_config(dev, 0xe5, 0x00); //GPIO1 input detect select
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pnp_write_config(dev, 0xe6, 0x40); //GPIO1 event status
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pnp_write_config(dev, 0xd0, 0x00); //GPIO2 output enable
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pnp_write_config(dev, 0xd1, 0xff); //GPIO2 output data
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pnp_write_config(dev, 0xd3, 0x00); //GPIO2 drive enable
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pnp_write_config(dev, 0xc0, 0x00); //GPIO3 output enable
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pnp_write_config(dev, 0xc1, 0xff); //GPIO3 output data
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pnp_write_config(dev, 0xb0, 0x04); //GPIO4 output enable
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pnp_write_config(dev, 0xb1, 0x04); //GPIO4 output data
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pnp_write_config(dev, 0xb3, 0x04); //GPIO4 drive enable
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pnp_write_config(dev, 0xb4, 0x00); //GPIO4 PME enable
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pnp_write_config(dev, 0xb5, 0x00); //GPIO4 input detect select
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pnp_write_config(dev, 0xb6, 0x00); //GPIO4 event status
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pnp_write_config(dev, 0xa0, 0x00); //GPIO5 output enable
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pnp_write_config(dev, 0xa1, 0x1f); //GPIO5 output data
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pnp_write_config(dev, 0xa3, 0x00); //GPIO5 drive enable
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pnp_write_config(dev, 0xa4, 0x00); //GPIO5 PME enable
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pnp_write_config(dev, 0xa5, 0xff); //GPIO5 input detect select
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pnp_write_config(dev, 0xa6, 0xe0); //GPIO5 event status
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pnp_write_config(dev, 0x90, 0x00); //GPIO6 output enable
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pnp_write_config(dev, 0x91, 0xff); //GPIO6 output data
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pnp_write_config(dev, 0x93, 0x00); //GPIO6 drive enable
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pnp_write_config(dev, 0x80, 0x00); //GPIO7 output enable
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pnp_write_config(dev, 0x81, 0xff); //GPIO7 output data
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pnp_write_config(dev, 0x83, 0x00); //GPIO7 drive enable
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pnp_set_enable(dev, 1);
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pnp_exit_conf_state(dev);
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}
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static void sbxxx_enable_48mhzout(void)
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{
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/* most likely programming to 48MHz out signal */
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u32 reg32;
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reg32 = misc_read32(0x28);
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reg32 &= 0xffc7ffff;
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reg32 |= 0x00100000;
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misc_write32(0x28, reg32);
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reg32 = misc_read32(0x40);
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reg32 &= ~0x80u;
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misc_write32(0x40, reg32);
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}
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void bootblock_mainboard_early_init(void)
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{
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/* enable SIO clock */
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sbxxx_enable_48mhzout();
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/* Initialize GPIO registers */
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gpio_init(GPIO_DEV);
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/* Enable serial console */
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fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
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}
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