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uart0-helloworld-sdboot: add R528/T113 support

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Clock and UART wise it's very similar to the V853, but UART0 is only on
pins PE2/3, using pinmux 6, with no other muxes other than PortF.

Signed-off-by: Andre Przywara <osp@andrep.de>
This commit is contained in:
Andre Przywara 2022-07-28 22:46:17 +01:00
parent f0e5fe9766
commit 432e45d3d5
1 changed files with 11 additions and 3 deletions
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14
uart0-helloworld-sdboot.c
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@ -141,6 +141,7 @@ enum sunxi_gpio_number {
#define SUN5I_GPB_UART0 (2)
#define SUN6I_GPH_UART0 (2)
#define SUN8I_H3_GPA_UART0 (2)
#define SUN8I_R528_GPE_UART0 (6)
#define SUN8I_V3S_GPB_UART0 (3)
#define SUN8I_V831_GPH_UART0 (5)
#define SUN8I_V853_GPH_UART0 (5)
@ -310,6 +311,7 @@ void soc_detection_init(void)
#define soc_is_v3s() (soc_id == 0x1681)
#define soc_is_v831() (soc_id == 0x1817)
#define soc_is_v853() (soc_id == 0x1886)
#define soc_is_r528() (soc_id == 0x1859)
/* A10s and A13 share the same ID, so we need a little more effort on those */
@ -396,7 +398,7 @@ void clock_init_uart(void)
{
if (soc_is_h6() || soc_is_v831() || soc_is_h616())
clock_init_uart_h6();
else if (soc_is_r329() || soc_is_v853())
else if (soc_is_r329() || soc_is_v853() || soc_is_r528())
clock_init_uart_r329();
else
clock_init_uart_legacy();
@ -410,7 +412,7 @@ void clock_init_uart(void)
void gpio_init(void)
{
if (soc_is_v853()) {
if (soc_is_v853() || soc_is_r528()) {
/* GPIO V2 */
pio_bank_size = 0x30;
pio_dat_off = 0x10;
@ -478,6 +480,10 @@ void gpio_init(void)
sunxi_gpio_set_cfgpin(SUNXI_GPH(9), SUN8I_V853_GPH_UART0);
sunxi_gpio_set_cfgpin(SUNXI_GPH(10), SUN8I_V853_GPH_UART0);
sunxi_gpio_set_pull(SUNXI_GPH(10), SUNXI_GPIO_PULL_UP);
} else if (soc_is_r528()) {
sunxi_gpio_set_cfgpin(SUNXI_GPE(2), SUN8I_R528_GPE_UART0);
sunxi_gpio_set_cfgpin(SUNXI_GPE(3), SUN8I_R528_GPE_UART0);
sunxi_gpio_set_pull(SUNXI_GPE(3), SUNXI_GPIO_PULL_UP);
} else {
/* Unknown SoC */
while (1) {}
@ -580,7 +586,7 @@ void bases_init(void)
} else if (soc_is_r329()) {
pio_base = R329_PIO_BASE;
uart0_base = R329_UART0_BASE;
} else if (soc_is_v853()) {
} else if (soc_is_v853() || soc_is_r528()) {
pio_base = V853_PIO_BASE;
uart0_base = R329_UART0_BASE;
} else {
@ -629,6 +635,8 @@ int main(void)
uart0_puts("Allwinner V831!\n");
else if (soc_is_v853())
uart0_puts("Allwinner V853!\n");
else if (soc_is_r528())
uart0_puts("Allwinner R528/T113!\n");
else
uart0_puts("unknown Allwinner SoC!\n");