[U-Boot] [PATCH 06/12] ppc/85xx: Clean up MPC8548 CDS PCI setup code
Kumar Gala
galak at kernel.crashing.org
Thu Nov 5 05:38:35 CET 2009
Use new fsl_pci_init_port() that reduces amount of duplicated code in the
board ports, use IO accessors and clean up printing of status info.
Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---
board/freescale/mpc8548cds/mpc8548cds.c | 141 +++++++++++--------------------
1 files changed, 48 insertions(+), 93 deletions(-)
diff --git a/board/freescale/mpc8548cds/mpc8548cds.c b/board/freescale/mpc8548cds/mpc8548cds.c
index 73e7c21..38cbc8b 100644
--- a/board/freescale/mpc8548cds/mpc8548cds.c
+++ b/board/freescale/mpc8548cds/mpc8548cds.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004, 2007 Freescale Semiconductor.
+ * Copyright 2004, 2007, 200 Freescale Semiconductor, Inc.
*
* (C) Copyright 2002 Scott McNutt <smcnutt at artesyncp.com>
*
@@ -262,62 +262,47 @@ static struct pci_controller pci2_hose;
static struct pci_controller pcie1_hose;
#endif /* CONFIG_PCIE1 */
-int first_free_busno=0;
-
-void
-pci_init_board(void)
+void pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
- uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
- uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
-
-
-#ifdef CONFIG_PCI1
-{
- volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
- struct pci_controller *hose = &pci1_hose;
- struct pci_region *r = hose->regions;
+ struct fsl_pci_info pci_info[4];
+ 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;
- uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */
- uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
- uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
+ int pcie_ep, pcie_configured;
- uint pci_agent = is_fsl_pci_agent(LAW_TRGT_IF_PCI_1, host_agent);
+ devdisr = in_be32(&gur->devdisr);
+ pordevsr = in_be32(&gur->pordevsr);
+ porpllsr = in_be32(&gur->porpllsr);
+ io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
- uint pci_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
+ debug (" pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
- if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
- printf (" PCI: %d bit, %s MHz, %s, %s, %s\n",
+#ifdef CONFIG_PCI1
+ pci_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
+ pci_32 = pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */
+ pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
+ 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);
+ printf ("\n PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
(pci_32) ? 32 : 64,
(pci_speed == 33333000) ? "33" :
(pci_speed == 66666000) ? "66" : "unknown",
pci_clk_sel ? "sync" : "async",
pci_agent ? "agent" : "host",
- pci_arb ? "arbiter" : "external-arbiter"
- );
-
- /* outbound memory */
- pci_set_region(r++,
- CONFIG_SYS_PCI1_MEM_BUS,
- CONFIG_SYS_PCI1_MEM_PHYS,
- CONFIG_SYS_PCI1_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* outbound io */
- pci_set_region(r++,
- CONFIG_SYS_PCI1_IO_BUS,
- CONFIG_SYS_PCI1_IO_PHYS,
- CONFIG_SYS_PCI1_IO_SIZE,
- PCI_REGION_IO);
- hose->region_count = r - hose->regions;
-
- hose->first_busno=first_free_busno;
-
- fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
- first_free_busno=hose->last_busno+1;
- printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
+ pci_arb ? "arbiter" : "external-arbiter",
+ pci_info[num].regs);
+
+ first_free_busno = fsl_pci_init_port(&pci_info[num++],
+ &pci1_hose, first_free_busno);
+
#ifdef CONFIG_PCIX_CHECK
- if (!(gur->pordevsr & MPC85xx_PORDEVSR_PCI1)) {
+ if (!(pordevsr & MPC85xx_PORDEVSR_PCI1)) {
/* PCI-X init */
if (CONFIG_SYS_CLK_FREQ < 66000000)
printf("PCI-X will only work at 66 MHz\n");
@@ -330,14 +315,15 @@ pci_init_board(void)
} else {
printf (" PCI: disabled\n");
}
-}
+
+ puts("\n");
#else
- gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
#endif
#ifdef CONFIG_PCI2
{
- uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */
+ uint pci2_clk_sel = porpllsr & 0x4000; /* PORPLLSR[17] */
uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
if (pci_dual) {
printf (" PCI2: 32 bit, 66 MHz, %s\n",
@@ -347,60 +333,29 @@ pci_init_board(void)
}
}
#else
- gur->devdisr |= MPC85xx_DEVDISR_PCI2; /* disable */
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI2); /* disable */
#endif /* CONFIG_PCI2 */
#ifdef CONFIG_PCIE1
-{
- volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
- struct pci_controller *hose = &pcie1_hose;
- int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_1, host_agent);
- struct pci_region *r = hose->regions;
+ pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
- int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
-
- if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
- printf ("\n PCIE connected to slot as %s (base address %x)",
- pcie_ep ? "End Point" : "Root Complex",
- (uint)pci);
-
- if (pci->pme_msg_det) {
- pci->pme_msg_det = 0xffffffff;
- debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
- }
- printf ("\n");
-
- /* outbound memory */
- pci_set_region(r++,
- CONFIG_SYS_PCIE1_MEM_BUS,
- CONFIG_SYS_PCIE1_MEM_PHYS,
- CONFIG_SYS_PCIE1_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* outbound io */
- pci_set_region(r++,
- CONFIG_SYS_PCIE1_IO_BUS,
- CONFIG_SYS_PCIE1_IO_PHYS,
- CONFIG_SYS_PCIE1_IO_SIZE,
- PCI_REGION_IO);
-
- hose->region_count = r - hose->regions;
-
- hose->first_busno=first_free_busno;
-
- fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
- printf ("PCIE on bus %d - %d\n",hose->first_busno,hose->last_busno);
-
- first_free_busno=hose->last_busno+1;
+ 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 ? "End Point" : "Root Complex",
+ pci_info[num].regs);
+ first_free_busno = fsl_pci_init_port(&pci_info[num++],
+ &pcie1_hose, first_free_busno);
} else {
- printf (" PCIE: disabled\n");
+ printf (" PCIE1: disabled\n");
}
- }
+
+ puts("\n");
#else
- gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
#endif
-
}
int last_stage_init(void)
--
1.6.0.6
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