Patchwork [U-Boot,07/15] powerpc/85xx: Rework MPC8548CDS 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 <1292629858-10233-7-git-send-email-galak@kernel.crashing.org>
Download mbox | patch
Permalink /patch/76032/
State Accepted
Delegated to: Kumar Gala
Headers show

Comments

Kumar Gala - Dec. 17, 2010, 11:50 p.m.
Remove duplicated code in MPC8548CDS 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/mpc8548cds/law.c        |   10 +------
 board/freescale/mpc8548cds/mpc8548cds.c |   46 ++++++++++---------------------
 2 files changed, 16 insertions(+), 40 deletions(-)
Kumar Gala - Jan. 9, 2011, 8:48 p.m.
On Dec 17, 2010, at 5:50 PM, Kumar Gala wrote:

> Remove duplicated code in MPC8548CDS 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/mpc8548cds/law.c        |   10 +------
> board/freescale/mpc8548cds/mpc8548cds.c |   46 ++++++++++---------------------
> 2 files changed, 16 insertions(+), 40 deletions(-)

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

- k

Patch

diff --git a/board/freescale/mpc8548cds/law.c b/board/freescale/mpc8548cds/law.c
index 98748aa..e59fee8 100644
--- a/board/freescale/mpc8548cds/law.c
+++ b/board/freescale/mpc8548cds/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.
@@ -51,18 +51,10 @@ 
  */
 
 struct law_entry law_table[] = {
-#ifdef CONFIG_SYS_PCI1_MEM_PHYS
-	SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
-	SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI),
-#endif
 #ifdef CONFIG_SYS_PCI2_MEM_PHYS
 	SET_LAW(CONFIG_SYS_PCI2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
 	SET_LAW(CONFIG_SYS_PCI2_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI_2),
 #endif
-#ifdef CONFIG_SYS_PCIE1_MEM_PHYS
-	SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
-	SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCIE_1),
-#endif
 	/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
 	SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
 #ifdef CONFIG_SYS_RIO_MEM_PHYS
diff --git a/board/freescale/mpc8548cds/mpc8548cds.c b/board/freescale/mpc8548cds/mpc8548cds.c
index ebeb897..0f8d04e 100644
--- a/board/freescale/mpc8548cds/mpc8548cds.c
+++ b/board/freescale/mpc8548cds/mpc8548cds.c
@@ -254,20 +254,18 @@  static struct pci_controller pci1_hose = {
 static struct pci_controller pci2_hose;
 #endif	/* CONFIG_PCI2 */
 
-#ifdef CONFIG_PCIE1
-static struct pci_controller pcie1_hose;
-#endif	/* CONFIG_PCIE1 */
+const char *board_serdes_name(enum srds_prtcl device)
+{
+	return "Slot";
+}
 
 void pci_init_board(void)
 {
 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
-	struct fsl_pci_info pci_info[4];
+	struct fsl_pci_info pci_info;
 	u32 devdisr, pordevsr, io_sel;
 	u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
 	int first_free_busno = 0;
-	int num = 0;
-
-	int pcie_ep, pcie_configured;
 
 	devdisr = in_be32(&gur->devdisr);
 	pordevsr = in_be32(&gur->pordevsr);
@@ -283,8 +281,13 @@  void pci_init_board(void)
 	pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
 
 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
-		SET_STD_PCI_INFO(pci_info[num], 1);
-		pci_agent = fsl_setup_hose(&pci1_hose, pci_info[num].regs);
+		SET_STD_PCI_INFO(pci_info, 1);
+		set_next_law(pci_info.mem_phys,
+			law_size_bits(pci_info.mem_size), pci_info.law);
+		set_next_law(pci_info.io_phys,
+			law_size_bits(pci_info.io_size), pci_info.law);
+
+		pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
 		printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
 			(pci_32) ? 32 : 64,
 			(pci_speed == 33333000) ? "33" :
@@ -292,9 +295,9 @@  void pci_init_board(void)
 			pci_clk_sel ? "sync" : "async",
 			pci_agent ? "agent" : "host",
 			pci_arb ? "arbiter" : "external-arbiter",
-			pci_info[num].regs);
+			pci_info.regs);
 
-		first_free_busno = fsl_pci_init_port(&pci_info[num++],
+		first_free_busno = fsl_pci_init_port(&pci_info,
 					&pci1_hose, first_free_busno);
 
 #ifdef CONFIG_PCIX_CHECK
@@ -332,26 +335,7 @@  void pci_init_board(void)
 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI2); /* disable */
 #endif /* CONFIG_PCI2 */
 
-#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 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
+	fsl_pcie_init_board(first_free_busno);
 }
 
 int last_stage_init(void)