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Add function to dump PCIE MBUS decoding windows and bars

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This commit allows to dump PCIE MBUS and bars configuration
for Marvell platforms.

Submitted by:   Michal Mazur <mkm@semihalf.com>
Obtained from:  Semihalf
Sponsored by:   Netgate
Differential revision: https://reviews.freebsd.org/D10908
This commit is contained in:
Zbigniew Bodek 2017-06-08 16:57:06 +00:00
parent 1717c1f1a3
commit 5d83a7b631
1 changed files with 20 additions and 1 deletions
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21
sys/arm/mv/mv_common.c
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@ -111,6 +111,7 @@ static void decode_win_idma_dump(u_long base);
static void decode_win_xor_dump(u_long base);
static void decode_win_ahci_dump(u_long base);
static void decode_win_sdhci_dump(u_long);
static void decode_win_pcie_dump(u_long);
static int fdt_get_ranges(const char *, void *, int, int *, int *);
#ifdef SOC_MV_ARMADA38X
@ -160,7 +161,7 @@ static struct soc_node_spec soc_nodes[] = {
{ "mrvl,xor", &decode_win_xor_setup, &decode_win_xor_dump },
{ "mrvl,idma", &decode_win_idma_setup, &decode_win_idma_dump },
{ "mrvl,cesa", &decode_win_cesa_setup, &decode_win_cesa_dump },
{ "mrvl,pcie", &decode_win_pcie_setup, NULL },
{ "mrvl,pcie", &decode_win_pcie_setup, &decode_win_pcie_dump },
{ NULL, NULL, NULL },
};
@ -660,6 +661,8 @@ WIN_REG_BASE_IDX_WR(win_pcie, cr, MV_WIN_PCIE_CTRL);
WIN_REG_BASE_IDX_WR(win_pcie, br, MV_WIN_PCIE_BASE);
WIN_REG_BASE_IDX_WR(win_pcie, remap, MV_WIN_PCIE_REMAP);
WIN_REG_BASE_IDX_RD(pcie_bar, br, MV_PCIE_BAR_BASE);
WIN_REG_BASE_IDX_RD(pcie_bar, brh, MV_PCIE_BAR_BASE_H);
WIN_REG_BASE_IDX_RD(pcie_bar, cr, MV_PCIE_BAR_CTRL);
WIN_REG_BASE_IDX_WR(pcie_bar, br, MV_PCIE_BAR_BASE);
WIN_REG_BASE_IDX_WR(pcie_bar, brh, MV_PCIE_BAR_BASE_H);
WIN_REG_BASE_IDX_WR(pcie_bar, cr, MV_PCIE_BAR_CTRL);
@ -1440,6 +1443,22 @@ decode_win_eth_valid(void)
/**************************************************************************
* PCIE windows routines
**************************************************************************/
static void
decode_win_pcie_dump(u_long base)
{
int i;
printf("PCIE windows base 0x%08lx\n", base);
for (i = 0; i < MV_WIN_PCIE_MAX; i++)
printf("PCIE window#%d: cr 0x%08x br 0x%08x remap 0x%08x\n",
i, win_pcie_cr_read(base, i),
win_pcie_br_read(base, i), win_pcie_remap_read(base, i));
for (i = 0; i < MV_PCIE_BAR_MAX; i++)
printf("PCIE bar#%d: cr 0x%08x br 0x%08x brh 0x%08x\n",
i, pcie_bar_cr_read(base, i),
pcie_bar_br_read(base, i), pcie_bar_brh_read(base, i));
}
void
decode_win_pcie_setup(u_long base)