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qca: Modified the way serial init to looks for console and gsbi_base

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Updated serial init to look for console property in aliases instead of
directly looking for serial node. This is to support device tree to
contain multiple serial nodes with different unit address to support
boards using different gsbi peripherals.

Change-Id: Iae741d7e56464a2a43f9132dfe87af62945ce60e
Signed-off-by: Gokul Sriram Palanisamy <gpalan@codeaurora.org>
This commit is contained in:
Gokul Sriram Palanisamy 2016-10-28 12:07:12 +05:30
parent 13e938b53d
commit f6b4529449
1 changed files with 11 additions and 4 deletions
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15
board/qca/ipq806x/ipq806x.c
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@ -252,17 +252,24 @@ int board_eth_init(bd_t *bis)
void qca_serial_init(struct ipq_serial_platdata *plat)
{
int serial_node, gpio_node;
serial_node = fdt_path_offset(gd->fdt_blob, "/serial");
unsigned gsbi_base;
serial_node = fdt_path_offset(gd->fdt_blob, "console");
if (serial_node < 0) {
return -1;
return;
}
gpio_node = fdt_subnode_offset(gd->fdt_blob, serial_node, "serial_gpio");
gpio_node = fdt_subnode_offset(gd->fdt_blob,
serial_node, "serial_gpio");
gsbi_base = fdtdec_get_uint(gd->fdt_blob,
serial_node, "gsbi_base", 0);
if (!gsbi_base)
return;
qca_gpio_init(gpio_node);
writel(GSBI_PROTOCOL_CODE_I2C_UART <<
GSBI_CTRL_REG_PROTOCOL_CODE_S,
GSBI_CTRL_REG(GSBI4_BASE));
GSBI_CTRL_REG(gsbi_base));
if (!(plat->m_value == -1) || ( plat->n_value == -1) || (plat->d_value == -1))
uart_clock_config(plat->port_id,