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ppc/85xx: Clean up MPC8536 DS PCI setup code

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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: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
master
Mingkai Hu 16 years ago committed by Kumar Gala
parent 3ad89c4ecb
commit 8a414c4258
1 changed files with 66 additions and 191 deletions
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  1. 255
      board/freescale/mpc8536ds/mpc8536ds.c

255
board/freescale/mpc8536ds/mpc8536ds.c
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@ -1,5 +1,5 @@
/*
* Copyright 2008 Freescale Semiconductor.
* Copyright 2008-2009 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@ -189,20 +189,26 @@ static struct pci_controller pcie2_hose;
static struct pci_controller pcie3_hose;
#endif
#ifdef CONFIG_PCI
void pci_init_board(void)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
struct fsl_pci_info pci_info[4];
u32 devdisr, pordevsr, io_sel, sdrs2_io_sel;
u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
int first_free_busno = 0;
int num = 0;
void
pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
uint devdisr = gur->devdisr;
uint sdrs2_io_sel =
(gur->pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27;
uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
int pcie_ep, pcie_configured;
debug(" pci_init_board: devdisr=%x, sdrs2_io_sel=%x, io_sel=%x,\
host_agent=%x\n", devdisr, sdrs2_io_sel, io_sel, 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;
sdrs2_io_sel = (pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27;
debug(" pci_init_board: devdisr=%x, sdrs2_io_sel=%x, io_sel=%x\n",
devdisr, sdrs2_io_sel, io_sel);
if (sdrs2_io_sel == 7)
printf(" Serdes2 disalbed\n");
@ -212,228 +218,97 @@ pci_init_board(void)
} else if (sdrs2_io_sel == 6)
printf(" eTSEC1 is in sgmii mode.\n");
puts("\n");
#ifdef CONFIG_PCIE3
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
struct pci_controller *hose = &pcie3_hose;
int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_3, host_agent);
int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
struct pci_region *r = hose->regions;
pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE3 connected to Slot3 as %s (base address %x)",
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 Slot3 as %s (base address %lx)\n",
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_PCIE3_MEM_BUS,
CONFIG_SYS_PCIE3_MEM_PHYS,
CONFIG_SYS_PCIE3_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCIE3_IO_BUS,
CONFIG_SYS_PCIE3_IO_PHYS,
CONFIG_SYS_PCIE3_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 (" PCIE3 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
pci_info[num].regs);
first_free_busno = fsl_pci_init_port(&pci_info[num++],
&pcie3_hose, first_free_busno);
} else {
printf (" PCIE3: disabled\n");
}
}
puts("\n");
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
#endif
#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);
int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
struct pci_region *r = hose->regions;
pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE1 connected to Slot1 as %s (base address %x)",
SET_STD_PCIE_INFO(pci_info[num], 1);
pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
printf (" PCIE1 connected to Slot1 as %s (base address %lx)\n",
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);
#ifdef CONFIG_SYS_PCIE1_MEM_BUS2
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE1_MEM_BUS2,
CONFIG_SYS_PCIE1_MEM_PHYS2,
CONFIG_SYS_PCIE1_MEM_SIZE2,
PCI_REGION_MEM);
#endif
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(" PCIE1 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
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
gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
#endif
#ifdef CONFIG_PCIE2
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
struct pci_controller *hose = &pcie2_hose;
int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_2, host_agent);
int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
struct pci_region *r = hose->regions;
pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE2 connected to Slot 2 as %s (base address %x)",
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 2 as %s (base address %lx)\n",
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_PCIE2_MEM_BUS,
CONFIG_SYS_PCIE2_MEM_PHYS,
CONFIG_SYS_PCIE2_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCIE2_IO_BUS,
CONFIG_SYS_PCIE2_IO_PHYS,
CONFIG_SYS_PCIE2_IO_SIZE,
PCI_REGION_IO);
#ifdef CONFIG_SYS_PCIE2_MEM_BUS2
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE2_MEM_BUS2,
CONFIG_SYS_PCIE2_MEM_PHYS2,
CONFIG_SYS_PCIE2_MEM_SIZE2,
PCI_REGION_MEM);
#endif
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 (" PCIE2 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
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
gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
#endif
#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;
uint pci_agent = is_fsl_pci_agent(LAW_TRGT_IF_PCI, host_agent);
uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
uint pci_32 = 1;
uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
pci_speed = 66666000;
pci_32 = 1;
pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
printf ("\n PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
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",
(uint)pci
);
pci_info[num].regs);
/* 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);
#ifdef CONFIG_SYS_PCI1_MEM_BUS2
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCI1_MEM_BUS2,
CONFIG_SYS_PCI1_MEM_PHYS2,
CONFIG_SYS_PCI1_MEM_SIZE2,
PCI_REGION_MEM);
#endif
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);
first_free_busno = fsl_pci_init_port(&pci_info[num++],
&pci1_hose, first_free_busno);
} else {
printf (" PCI: disabled\n");
}
}
puts("\n");
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
#endif
}
#endif
int board_early_init_r(void)
{

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