From fe83fa7e7eac505c40b269eeb892240d83c6b279 Mon Sep 17 00:00:00 2001 From: Hou Zhiqiang Date: Fri, 5 Jul 2019 17:56:54 +0800 Subject: PCI: mobiveil: Move PCIe PIO enablement out of inbound window routine Move the PCIe PIO master enablement to function mobiveil_host_init(). Signed-off-by: Hou Zhiqiang Signed-off-by: Lorenzo Pieralisi Reviewed-by: Minghuan Lian Reviewed-by: Subrahmanya Lingappa --- drivers/pci/controller/pcie-mobiveil.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers/pci') diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c index 8ba15c6cb51e..f57d2d83dbd8 100644 --- a/drivers/pci/controller/pcie-mobiveil.c +++ b/drivers/pci/controller/pcie-mobiveil.c @@ -468,10 +468,6 @@ static void program_ib_windows(struct mobiveil_pcie *pcie, int win_num, return; } - value = csr_readl(pcie, PAB_PEX_PIO_CTRL); - value |= 1 << PIO_ENABLE_SHIFT; - csr_writel(pcie, value, PAB_PEX_PIO_CTRL); - value = csr_readl(pcie, PAB_PEX_AMAP_CTRL(win_num)); value &= ~(AMAP_CTRL_TYPE_MASK << AMAP_CTRL_TYPE_SHIFT | WIN_SIZE_MASK); value |= type << AMAP_CTRL_TYPE_SHIFT | 1 << AMAP_CTRL_EN_SHIFT | @@ -606,6 +602,11 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) value |= APIO_EN_MASK; csr_writel(pcie, value, PAB_AXI_PIO_CTRL); + /* Enable PCIe PIO master */ + value = csr_readl(pcie, PAB_PEX_PIO_CTRL); + value |= 1 << PIO_ENABLE_SHIFT; + csr_writel(pcie, value, PAB_PEX_PIO_CTRL); + /* * we'll program one outbound window for config reads and * another default inbound window for all the upstream traffic -- cgit