diff options
author | Tom Rini <trini@konsulko.com> | 2020-01-06 17:07:49 -0500 |
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committer | Tom Rini <trini@konsulko.com> | 2020-01-06 17:07:49 -0500 |
commit | 5a8fa095cb848c60c630a83edf30d4fc46101e90 (patch) | |
tree | 66652768520899ddea6a24a608c1be4ed6ecfcde /drivers/power/acpi_pmc/sandbox.c | |
parent | 0b0c6af38738f2c132cfd41a240889acaa031c8f (diff) | |
parent | 8fbbec12f7d2c18f8883f3371cfca74a98b5dd87 (diff) |
Merge branch 'next'
Bring in the following merges:
commit 8fbbec12f7d2c18f8883f3371cfca74a98b5dd87
Merge: 87f69f467a83 63618e71e89b
Author: Tom Rini <trini@konsulko.com>
Date: Fri Jan 3 09:48:47 2020 -0500
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq into next
- updates and fixes on ls1028a, lx2, ls1046a, MC-DPSPARSER support
commit 87f69f467a8335b171c71bf217d2625d515acd7c
Merge: c0912f9bbfb2 4466b9970319
Author: Tom Rini <trini@konsulko.com>
Date: Tue Dec 24 08:18:19 2019 -0500
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-mpc85xx into next
- Enable DM driver on ppc/km boards
- Enable DM_USB for some of NXP powerpc platforms: P5040, T4240, T208x,
T104x, P4080, P2041, P2020, P1020, P3041
- Some updates in mpc85xx-ddr driver, km boards
commit c0912f9bbfb26dd03d189953678691b799d35b6e
Merge: 533c9f5714bd a1d6dc3f8407
Author: Tom Rini <trini@konsulko.com>
Date: Wed Dec 18 07:20:19 2019 -0500
Merge branch 'next' of https://gitlab.denx.de/u-boot/custodians/u-boot-x86 into next
- Various x86 common codes updated for TPL/SPL
- I2C designware driver updated for PCI
- ICH SPI driver updated to support Apollo Lake
- Add Intel FSP2 base support
- Intel Apollo Lake platform specific drivers support
- Add a new board Google Chromebook Coral
commit 533c9f5714bdba79dc6f2629284d4c1a08a611d1
Merge: 553cb0688782 033e18b47bd0
Author: Tom Rini <trini@konsulko.com>
Date: Tue Dec 17 07:53:08 2019 -0500
Merge tag '20191217-for-next' of https://gitlab.denx.de/u-boot/custodians/u-boot-i2c into next
i2c: for next
- misc: i2c_eeprom:
Add partition support and add ability to query size
of eeprom device and partitions
- i2c common:
add support for offset overflow in to address and add
sandbox tests for it.
commit 553cb06887825314e74a9bdac337467c77d1db88
Merge: f39abbbc531e b4f98b3b16ec
Author: Tom Rini <trini@konsulko.com>
Date: Thu Dec 12 08:18:59 2019 -0500
Merge tag 'dm-next-13dec19' of https://gitlab.denx.de/u-boot/custodians/u-boot-dm into next
buildman improvements including toolchain environment feature
sandbox unicode support in serial
Diffstat (limited to 'drivers/power/acpi_pmc/sandbox.c')
-rw-r--r-- | drivers/power/acpi_pmc/sandbox.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/power/acpi_pmc/sandbox.c b/drivers/power/acpi_pmc/sandbox.c new file mode 100644 index 00000000000..7fbbf97b454 --- /dev/null +++ b/drivers/power/acpi_pmc/sandbox.c @@ -0,0 +1,97 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Sandbox PMC for testing + * + * Copyright 2019 Google LLC + */ + +#define LOG_CATEGORY UCLASS_ACPI_PMC + +#include <common.h> +#include <dm.h> +#include <asm/io.h> +#include <power/acpi_pmc.h> + +#define GPIO_GPE_CFG 0x1050 + +/* Memory mapped IO registers behind PMC_BASE_ADDRESS */ +#define PRSTS 0x1000 +#define GEN_PMCON1 0x1020 +#define GEN_PMCON2 0x1024 +#define GEN_PMCON3 0x1028 + +/* Offset of TCO registers from ACPI base I/O address */ +#define TCO_REG_OFFSET 0x60 +#define TCO1_STS 0x64 +#define TCO2_STS 0x66 +#define TCO1_CNT 0x68 +#define TCO2_CNT 0x6a + +struct sandbox_pmc_priv { + ulong base; +}; + +static int sandbox_pmc_fill_power_state(struct udevice *dev) +{ + struct acpi_pmc_upriv *upriv = dev_get_uclass_priv(dev); + + upriv->tco1_sts = inw(upriv->acpi_base + TCO1_STS); + upriv->tco2_sts = inw(upriv->acpi_base + TCO2_STS); + + upriv->prsts = readl(upriv->pmc_bar0 + PRSTS); + upriv->gen_pmcon1 = readl(upriv->pmc_bar0 + GEN_PMCON1); + upriv->gen_pmcon2 = readl(upriv->pmc_bar0 + GEN_PMCON2); + upriv->gen_pmcon3 = readl(upriv->pmc_bar0 + GEN_PMCON3); + + return 0; +} + +static int sandbox_prev_sleep_state(struct udevice *dev, int prev_sleep_state) +{ + return prev_sleep_state; +} + +static int sandbox_disable_tco(struct udevice *dev) +{ + struct acpi_pmc_upriv *upriv = dev_get_uclass_priv(dev); + + pmc_disable_tco_base(upriv->acpi_base + TCO_REG_OFFSET); + + return 0; +} + +static int sandbox_pmc_probe(struct udevice *dev) +{ + struct acpi_pmc_upriv *upriv = dev_get_uclass_priv(dev); + struct udevice *bus; + ulong base; + + uclass_first_device(UCLASS_PCI, &bus); + base = dm_pci_read_bar32(dev, 0); + if (base == FDT_ADDR_T_NONE) + return log_msg_ret("No base address", -EINVAL); + upriv->pmc_bar0 = map_sysmem(base, 0x2000); + upriv->gpe_cfg = (u32 *)(upriv->pmc_bar0 + GPIO_GPE_CFG); + + return pmc_ofdata_to_uc_platdata(dev); +} + +static struct acpi_pmc_ops sandbox_pmc_ops = { + .init = sandbox_pmc_fill_power_state, + .prev_sleep_state = sandbox_prev_sleep_state, + .disable_tco = sandbox_disable_tco, +}; + +static const struct udevice_id sandbox_pmc_ids[] = { + { .compatible = "sandbox,pmc" }, + { } +}; + +U_BOOT_DRIVER(pmc_sandbox) = { + .name = "pmc_sandbox", + .id = UCLASS_ACPI_PMC, + .of_match = sandbox_pmc_ids, + .probe = sandbox_pmc_probe, + .ops = &sandbox_pmc_ops, + .priv_auto_alloc_size = sizeof(struct sandbox_pmc_priv), +}; |