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MPC8349EMDS: do not setup unused PCI clock outputs in PCI agent mode

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When running in PCI agent mode, the PCI_CLK_OUT signals are not used, so do
not enable them. See the MPC8349EA Reference Manual, Section 4.4.2
"Clocking in PCI Agent Mode".

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Ira Snyder 2009-01-12 13:33:17 -08:00 • committed by Kim Phillips
parent 75f35209f7
commit 88ecf55cab
1 changed files with 0 additions and 7 deletions
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7
board/freescale/mpc8349emds/pci.c
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@ -171,15 +171,10 @@ void pci_init_board(void)
void pci_init_board(void)
{
volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
volatile pcictrl83xx_t *pci_ctrl = &immr->pci_ctrl[0];
struct pci_region *reg[] = { pci1_regions };
/* Enable all 8 PCI_CLK_OUTPUTS */
clk->occr = 0xff000000;
udelay(2000);
/* Configure PCI Local Access Windows */
pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G;
@ -187,8 +182,6 @@ void pci_init_board(void)
pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M;
udelay(2000);
mpc83xx_pci_init(1, reg, 0);
/* Configure PCI Inbound Translation Windows (3 1MB windows) */