From patchwork Thu Apr 30 07:04:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 238951 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Thu, 30 Apr 2020 12:34:12 +0530 Subject: [PATCH v2 8/8] rockchip: Enable PCIe/M.2 on rock960 board In-Reply-To: <20200430070412.12499-1-jagan@amarulasolutions.com> References: <20200430070412.12499-1-jagan@amarulasolutions.com> Message-ID: <20200430070412.12499-9-jagan@amarulasolutions.com> Due to some on board limitation rock960 PCIe works only with 1.8V IO domain. So, this patch enables grf io_sel explicitly to make PCIe/M.2 to work. Cc: Tom Cubie Cc: Manivannan Sadhasivam Signed-off-by: Jagan Teki Acked-by: Manivannan Sadhasivam --- Changes for v2: - none board/vamrs/rock960_rk3399/rock960-rk3399.c | 20 ++++++++++++++++++++ configs/rock960-rk3399_defconfig | 5 +++++ 2 files changed, 25 insertions(+) diff --git a/board/vamrs/rock960_rk3399/rock960-rk3399.c b/board/vamrs/rock960_rk3399/rock960-rk3399.c index 68a127b9ac..98d62e89ca 100644 --- a/board/vamrs/rock960_rk3399/rock960-rk3399.c +++ b/board/vamrs/rock960_rk3399/rock960-rk3399.c @@ -2,3 +2,23 @@ /* * Copyright (C) 2018 Manivannan Sadhasivam */ + +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_MISC_INIT_R +int misc_init_r(void) +{ + struct rk3399_grf_regs *grf = + syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + + /* BT565 is in 1.8v domain */ + rk_setreg(&grf->io_vsel, BIT(0)); + + return 0; +} +#endif diff --git a/configs/rock960-rk3399_defconfig b/configs/rock960-rk3399_defconfig index c4e954731a..cb1ec3c26b 100644 --- a/configs/rock960-rk3399_defconfig +++ b/configs/rock960-rk3399_defconfig @@ -9,6 +9,7 @@ CONFIG_DEBUG_UART_BASE=0xFF1A0000 CONFIG_DEBUG_UART_CLOCK=24000000 CONFIG_DEBUG_UART=y CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-rock960.dtb" +CONFIG_MISC_INIT_R=y CONFIG_DISPLAY_BOARDINFO_LATE=y # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set CONFIG_SPL_STACK_R=y @@ -19,6 +20,7 @@ CONFIG_CMD_BOOTZ=y CONFIG_CMD_GPT=y CONFIG_CMD_MMC=y CONFIG_CMD_USB=y +CONFIG_CMD_PCI=y # CONFIG_CMD_SETEXPR is not set CONFIG_CMD_TIME=y CONFIG_CMD_PMIC=y @@ -36,10 +38,13 @@ CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_SDMA=y CONFIG_MMC_SDHCI_ROCKCHIP=y CONFIG_DM_ETH=y +CONFIG_NVME=y +CONFIG_PCI=y CONFIG_PMIC_RK8XX=y CONFIG_REGULATOR_PWM=y CONFIG_REGULATOR_RK8XX=y CONFIG_PWM_ROCKCHIP=y +CONFIG_DM_RESET=y CONFIG_BAUDRATE=1500000 CONFIG_DEBUG_UART_SHIFT=2 CONFIG_SYSRESET=y