Patchwork [U-Boot,02/15] powerpc/85xx: Rework MPC8572DS pci_init_board to use common FSL PCIe code

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Submitter Kumar Gala
Date Dec. 17, 2010, 11:50 p.m.
Message ID <1292629858-10233-2-git-send-email-galak@kernel.crashing.org>
Download mbox | patch
Permalink /patch/76030/
State Accepted
Delegated to: Kumar Gala
Headers show

Comments

Kumar Gala - Dec. 17, 2010, 11:50 p.m.
Remove duplicated code in MPC8572DS board and utliize the common
fsl_pcie_init_board().  We also now dynamically setup the LAWs for PCI
controllers based on which PCIe controllers are enabled.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 board/freescale/mpc8572ds/law.c       |    8 +--
 board/freescale/mpc8572ds/mpc8572ds.c |  100 ++++++--------------------------
 2 files changed, 20 insertions(+), 88 deletions(-)
Kumar Gala - Jan. 9, 2011, 8:46 p.m.
On Dec 17, 2010, at 5:50 PM, Kumar Gala wrote:

> Remove duplicated code in MPC8572DS board and utliize the common
> fsl_pcie_init_board().  We also now dynamically setup the LAWs for PCI
> controllers based on which PCIe controllers are enabled.
> 
> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
> ---
> board/freescale/mpc8572ds/law.c       |    8 +--
> board/freescale/mpc8572ds/mpc8572ds.c |  100 ++++++--------------------------
> 2 files changed, 20 insertions(+), 88 deletions(-)

applied to 85xx, fixed commit typo s/utliize/utilize/

* added signed off by Chenhui Zhao <b26998@freescale.com>

- k

Patch

diff --git a/board/freescale/mpc8572ds/law.c b/board/freescale/mpc8572ds/law.c
index e13bb53..7c63f84 100644
--- a/board/freescale/mpc8572ds/law.c
+++ b/board/freescale/mpc8572ds/law.c
@@ -1,5 +1,5 @@ 
 /*
- * Copyright 2008 Freescale Semiconductor, Inc.
+ * Copyright 2008, 2010 Freescale Semiconductor, Inc.
  *
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -29,12 +29,6 @@ 
 
 struct law_entry law_table[] = {
 	SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
-	SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
-	SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_1),
-	SET_LAW(CONFIG_SYS_PCIE2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_2),
-	SET_LAW(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_2),
-	SET_LAW(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_3),
-	SET_LAW(CONFIG_SYS_PCIE3_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_3),
 	SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_LBC),
 	SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
 };
diff --git a/board/freescale/mpc8572ds/mpc8572ds.c b/board/freescale/mpc8572ds/mpc8572ds.c
index c217c27..2b269f2 100644
--- a/board/freescale/mpc8572ds/mpc8572ds.c
+++ b/board/freescale/mpc8572ds/mpc8572ds.c
@@ -148,107 +148,45 @@  phys_size_t fixed_sdram (void)
 
 #endif
 
-#ifdef CONFIG_PCIE1
-static struct pci_controller pcie1_hose;
-#endif
-
-#ifdef CONFIG_PCIE2
-static struct pci_controller pcie2_hose;
-#endif
+#ifdef CONFIG_PCI
+static const char *slot_names[] = {
+	[PCIE1] = "Slot 2",
+	[PCIE2] = "Slot 1",
+	[PCIE3] = "ULI",
+};
 
-#ifdef CONFIG_PCIE3
-static struct pci_controller pcie3_hose;
-#endif
+const char *board_serdes_name(enum srds_prtcl device)
+{
+	return slot_names[device];
+}
 
-#ifdef CONFIG_PCI
 void pci_init_board(void)
 {
-	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
-	struct fsl_pci_info pci_info[3];
-	u32 devdisr, pordevsr, io_sel, temp32;
-	int first_free_busno = 0;
-	int num = 0;
+	struct pci_controller *hose;
 
-	int pcie_ep, pcie_configured;
+	fsl_pcie_init_board(0);
 
-	devdisr = in_be32(&gur->devdisr);
-	pordevsr = in_be32(&gur->pordevsr);
-	io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
+	hose = find_hose_by_cfg_addr((void *)(CONFIG_SYS_PCIE3_ADDR));
 
-	debug ("   pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
+	if (hose) {
+		u32 temp32;
+		u8 uli_busno = hose->first_busno + 2;
 
-	puts("\n");
-#ifdef CONFIG_PCIE3
-	pcie_configured = is_serdes_configured(PCIE3);
-
-	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
-		SET_STD_PCIE_INFO(pci_info[num], 3);
-		pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info[num].regs);
-		printf("PCIE3: connected to ULI as %s (base addr %lx)\n",
-			pcie_ep ? "Endpoint" : "Root Complex",
-			pci_info[num].regs);
-		first_free_busno = fsl_pci_init_port(&pci_info[num++],
-					&pcie3_hose, first_free_busno);
 		/*
 		 * Activate ULI1575 legacy chip by performing a fake
 		 * memory access.  Needed to make ULI RTC work.
 		 * Device 1d has the first on-board memory BAR.
 		 */
-		pci_hose_read_config_dword(&pcie3_hose, PCI_BDF(2, 0x1d, 0),
+		pci_hose_read_config_dword(hose, PCI_BDF(uli_busno, 0x1d, 0),
 				PCI_BASE_ADDRESS_1, &temp32);
+
 		if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
-			void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
+			void *p = pci_mem_to_virt(PCI_BDF(uli_busno, 0x1d, 0),
 					temp32, 4, 0);
 			debug(" uli1572 read to %p\n", p);
 			in_be32(p);
 		}
-	} else {
-		printf("PCIE3: disabled\n");
 	}
-	puts("\n");
-#else
-	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
-#endif
-
-#ifdef CONFIG_PCIE2
-	pcie_configured = is_serdes_configured(PCIE2);
-
-	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
-		SET_STD_PCIE_INFO(pci_info[num], 2);
-		pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs);
-		printf("PCIE2: connected to Slot 1 as %s (base addr %lx)\n",
-			pcie_ep ? "Endpoint" : "Root Complex",
-			pci_info[num].regs);
-		first_free_busno = fsl_pci_init_port(&pci_info[num++],
-					&pcie2_hose, first_free_busno);
-	} else {
-		printf("PCIE2: disabled\n");
-	}
-
-	puts("\n");
-#else
-	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
-#endif
-
-#ifdef CONFIG_PCIE1
-	pcie_configured = is_serdes_configured(PCIE1);
-
-	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
-		SET_STD_PCIE_INFO(pci_info[num], 1);
-		pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
-		printf("PCIE1: connected to Slot 2 as %s (base addr %lx)\n",
-				pcie_ep ? "Endpoint" : "Root Complex",
-				pci_info[num].regs);
-		first_free_busno = fsl_pci_init_port(&pci_info[num++],
-					&pcie1_hose, first_free_busno);
-	} else {
-		printf("PCIE1: disabled\n");
-	}
-
-	puts("\n");
-#else
-	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
-#endif
 }
 #endif