From patchwork Thu Jul 9 15:31:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhiqiang Hou X-Patchwork-Id: 241129 List-Id: U-Boot discussion From: Zhiqiang.Hou at nxp.com (Zhiqiang Hou) Date: Thu, 9 Jul 2020 23:31:34 +0800 Subject: [PATCHv2 02/10] pci_ep: Add the init function In-Reply-To: <20200709153142.3644-1-Zhiqiang.Hou@nxp.com> References: <20200709153142.3644-1-Zhiqiang.Hou@nxp.com> Message-ID: <20200709153142.3644-3-Zhiqiang.Hou@nxp.com> From: Xiaowei Bao Some EP deivces need to initialize before RC scan it, e.g. NXP layerscape platform, so add the init function in pci_ep uclass. Signed-off-by: Xiaowei Bao Signed-off-by: Hou Zhiqiang --- V2: - Rebase the patch without change intent. common/board_r.c | 12 ++++++++++++ drivers/pci_endpoint/pci_ep-uclass.c | 11 +++++++++++ include/init.h | 1 + 3 files changed, 24 insertions(+) diff --git a/common/board_r.c b/common/board_r.c index fa57fa9b69..d4db44fc59 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -233,6 +233,15 @@ static int initr_unlock_ram_in_cache(void) } #endif +#ifdef CONFIG_PCI_ENDPOINT +static int initr_pci_ep(void) +{ + pci_ep_init(); + + return 0; +} +#endif + #ifdef CONFIG_PCI static int initr_pci(void) { @@ -830,6 +839,9 @@ static init_fnc_t init_sequence_r[] = { #ifdef CONFIG_BITBANGMII initr_bbmii, #endif +#ifdef CONFIG_PCI_ENDPOINT + initr_pci_ep, +#endif #ifdef CONFIG_CMD_NET INIT_FUNC_WATCHDOG_RESET initr_net, diff --git a/drivers/pci_endpoint/pci_ep-uclass.c b/drivers/pci_endpoint/pci_ep-uclass.c index 9f53a9a9b9..38a5f08376 100644 --- a/drivers/pci_endpoint/pci_ep-uclass.c +++ b/drivers/pci_endpoint/pci_ep-uclass.c @@ -209,3 +209,14 @@ UCLASS_DRIVER(pci_ep) = { .name = "pci_ep", .flags = DM_UC_FLAG_SEQ_ALIAS, }; + +void pci_ep_init(void) +{ + struct udevice *dev; + + for (uclass_first_device_check(UCLASS_PCI_EP, &dev); + dev; + uclass_next_device_check(&dev)) { + ; + } +} diff --git a/include/init.h b/include/init.h index b5a167b6ed..2d79afc381 100644 --- a/include/init.h +++ b/include/init.h @@ -213,6 +213,7 @@ int set_cpu_clk_info(void); int update_flash_size(int flash_size); int arch_early_init_r(void); void pci_init(void); +void pci_ep_init(void); int misc_init_r(void); #if defined(CONFIG_VID) int init_func_vid(void);