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Merge pull request #119 from plaes/spi-a20

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Add support for SPI on A20
This commit is contained in:
Chen-Yu Tsai 2019-03-18 20:07:31 +08:00 committed by GitHub
commit 7fe6024211
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1 changed files with 12 additions and 1 deletions
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13
fel-spiflash.c
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@ -144,8 +144,11 @@ static bool spi0_init(feldev_handle *dev)
{
uint32_t reg_val;
soc_info_t *soc_info = dev->soc_info;
if (!soc_info)
if (!soc_info) {
printf("Unable to fetch device information. "
"Possibly unknown device.\n");
return false;
}
/* Setup SPI0 pins muxing */
switch (soc_info->soc_id) {
@ -157,6 +160,12 @@ static bool spi0_init(feldev_handle *dev)
gpio_set_cfgpin(dev, PC, 2, SUNXI_GPC_SPI0);
gpio_set_cfgpin(dev, PC, 3, SUNXI_GPC_SPI0);
break;
case 0x1651: /* Allwinner A20 */
gpio_set_cfgpin(dev, PC, 0, SUNXI_GPC_SPI0);
gpio_set_cfgpin(dev, PC, 1, SUNXI_GPC_SPI0);
gpio_set_cfgpin(dev, PC, 2, SUNXI_GPC_SPI0);
gpio_set_cfgpin(dev, PC, 23, SUNXI_GPC_SPI0);
break;
case 0x1689: /* Allwinner A64 */
gpio_set_cfgpin(dev, PC, 0, SUN50I_GPC_SPI0);
gpio_set_cfgpin(dev, PC, 1, SUN50I_GPC_SPI0);
@ -164,6 +173,8 @@ static bool spi0_init(feldev_handle *dev)
gpio_set_cfgpin(dev, PC, 3, SUN50I_GPC_SPI0);
break;
default: /* Unknown/Unsupported SoC */
printf("SPI support not implemented yet for %x (%s)!\n",
soc_info->soc_id, soc_info->name);
return false;
}