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ipq9575: add SKU support

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This change check fuse before initialize pci.

Change-Id: I2c5b17ff0c446aad7633ec35468983b5e1c85fa0
Signed-off-by: Vandhiadevan Karunamoorthy <vkarunam@codeaurora.org>
This commit is contained in:
Vandhiadevan Karunamoorthy 2021-08-24 10:14:57 +05:30 • committed by Gerrit - the friendly Code Review server
parent 92b6cab88b
commit af18e13699
2 changed files with 46 additions and 1 deletions
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35
board/qca/arm/ipq9574/ipq9574.c
View file

@ -425,7 +425,35 @@ void ipq_fdt_fixup_usb_device_mode(void *blob)
printf("%s: invalid param for usb_mode\n", __func__);
}
int ipq_validate_qfrom_fuse(unsigned int reg_add, int pos)
{
return (readl(reg_add) & (1 << pos));
}
#ifdef CONFIG_PCI_IPQ
int ipq_sku_pci_validation(int pci_id)
{
int pos = 0;
switch(pci_id){
case 0:
pos = PCIE_0_CLOCK_DISABLE_BIT;
break;
case 1:
pos = PCIE_1_CLOCK_DISABLE_BIT;
break;
case 2:
pos = PCIE_2_CLOCK_DISABLE_BIT;
break;
case 3:
pos = PCIE_3_CLOCK_DISABLE_BIT;
break;
}
return ipq_validate_qfrom_fuse(
QFPROM_CORR_FEATURE_CONFIG_ROW1_MSB, pos);
}
void board_pci_init(int id)
{
int node, gpio_node, pci_no;
@ -438,11 +466,16 @@ void board_pci_init(int id)
return;
}
pci_no = fdtdec_get_int(gd->fdt_blob, node, "id", 0);
if (ipq_sku_pci_validation(pci_no)){
printf("PCIe%d disabled \n", pci_no);
}
gpio_node = fdt_subnode_offset(gd->fdt_blob, node, "pci_gpio");
if (gpio_node >= 0)
qca_gpio_init(gpio_node);
pci_no = fdtdec_get_int(gd->fdt_blob, node, "id", 0);
pcie_v2_clock_init(pci_no);
return;

12
board/qca/arm/ipq9574/ipq9574.h
View file

@ -261,6 +261,18 @@ unsigned int __invoke_psci_fn_smc(unsigned int, unsigned int,
*/
#define EUD_EUD_EN2 0x7A000
/*
* SKU
*/
#define QFPROM_CORR_FEATURE_CONFIG_ROW1_MSB 0xA401C
#define PCIE_0_CLOCK_DISABLE_BIT 2
#define PCIE_1_CLOCK_DISABLE_BIT 3
#define PCIE_2_CLOCK_DISABLE_BIT 4
#define PCIE_3_CLOCK_DISABLE_BIT 5
int ipq_validate_qfrom_fuse(unsigned int reg_add, int pos);
/**
* Number of RAM partition entries which are usable by APPS.
*/