Luc Verhaegen.
>From 66aeca8331e68d922277694c6905756df2a68cab Mon Sep 17 00:00:00 2001 From: Luc Verhaegen <[email protected]> Date: Mon, 21 Dec 2009 16:43:19 +0100 Subject: [PATCH] Boards: Fix several issues with nvidia_mcp_gpio_set.
- CK804, MCP04, MCP2 use the isa bridges.. - Newer nvidia mcp's do use the smbus controllers (Found by Michael Karcher). - gpio line check breaks EPoX EP-8RDA3+, and should be wider. Signed-off-by: Luc Verhaegen <[email protected]> --- board_enable.c | 16 +++++++++++++--- 1 files changed, 13 insertions(+), 3 deletions(-) diff --git a/board_enable.c b/board_enable.c index 8b5ed95..2c58927 100644 --- a/board_enable.c +++ b/board_enable.c @@ -440,20 +440,30 @@ static int nvidia_mcp_gpio_set(int gpio, int raise) uint16_t base; uint8_t tmp; - if ((gpio < 0) || (gpio > 31)) { + if ((gpio < 0) || (gpio > 0x40)) { fprintf(stderr, "\nERROR: unsupported GPIO: %d.\n", gpio); return -1; } - dev = pci_dev_find_vendorclass(0x10DE, 0x0C05); + /* First, check the ISA Bridge */ + dev = pci_dev_find_vendorclass(0x10DE, 0x0601); switch (dev->device_id) { case 0x0030: /* CK804 */ case 0x0050: /* MCP04 */ case 0x0060: /* MCP2 */ break; default: - fprintf(stderr, "\nERROR: no nVidia SMBus controller found.\n"); + /* Newer MCPs use the SMBus Controller */ + dev = pci_dev_find_vendorclass(0x10DE, 0x0C05); + switch (dev->device_id) { + case 0x0264: /* MCP51 */ + break; + default: + fprintf(stderr, + "\nERROR: no nVidia LPC/SMBus controller found.\n"); return -1; + } + break; } base = pci_read_long(dev, 0x64) & 0x0000FF00; /* System control area */ -- 1.6.0.2
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