9f1030feae
<device/device.h> is supposed to provide <device/{path,resource}.h>
Change-Id: I2ef82c8fe30b1c1399a9f85c1734ce8ba16a1f88
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81830
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Driver for Genesys Logic GL9763E */
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ops.h>
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#include <device/pci_ids.h>
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#include "gl9763e.h"
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static void gl9763e_init(struct device *dev)
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{
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uint32_t ver;
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printk(BIOS_INFO, "GL9763E: init\n");
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pci_dev_init(dev);
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/* Set VHS (Vendor Header Space) to be writable */
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pci_update_config32(dev, VHS, ~VHS_REV_MASK, VHS_REV_W);
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/* Set single AXI request */
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pci_or_config32(dev, SCR, SCR_AXI_REQ);
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/* Disable L0s support */
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pci_and_config32(dev, CFG_REG_2, ~CFG_REG_2_L0S);
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if (CONFIG(DRIVERS_GENESYSLOGIC_GL9763E_L1_MAX))
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/* Set L1 entry delay to MAX */
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pci_or_config32(dev, CFG_REG_2, CFG_REG_2_L1DLY_MAX);
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/* Set SSC to 30000 ppm */
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pci_update_config32(dev, PLL_CTL_2, ~PLL_CTL_2_MAX_SSC_MASK, MAX_SSC_30000PPM);
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/* Enable SSC */
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pci_or_config32(dev, PLL_CTL, PLL_CTL_SSC);
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/* Check chip version */
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ver = pci_read_config32(dev, HW_VER_2);
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if ((ver & HW_VER_MASK) == REVISION_03) {
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/* Set clock source for RX path */
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pci_update_config32(dev, SD_CLKRX_DLY, ~CLK_SRC_MASK, AFTER_OUTPUT_BUFF);
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}
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/* Modify DS delay */
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pci_update_config32(dev, SD_CLKRX_DLY, ~HS400_RX_DELAY_MASK, HS400_RX_DELAY);
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/* Disable Slow mode */
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pci_and_config32(dev, EMMC_CTL, ~SLOW_MODE);
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/* Set VHS to read-only */
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pci_update_config32(dev, VHS, ~VHS_REV_MASK, VHS_REV_R);
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}
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static struct device_operations gl9763e_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.ops_pci = &pci_dev_ops_pci,
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.init = gl9763e_init,
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};
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static const unsigned short pci_device_ids[] = {
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PCI_DID_GLI_9763E,
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0
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};
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static const struct pci_driver genesyslogic_gl9763e __pci_driver = {
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.ops = &gl9763e_ops,
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.vendor = PCI_VID_GLI,
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.devices = pci_device_ids,
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};
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struct chip_operations drivers_generic_genesyslogic_ops = {
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.name = "Genesys Logic GL9763E",
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};
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