On 07/20/2015 01:50 PM, Tom Warren wrote:
All based off of Tegra124. As a Tegra210 board is brought
up, these may change a bit to match the HW more closely,
but probably 90% of this is identical to T124.
Note that since T210 is a 64-bit build, it has no SPL
component, and hence no cpu.c for Tegra210.
diff --git a/arch/arm/mach-tegra/tegra210/funcmux.c
b/arch/arm/mach-tegra/tegra210/funcmux.c
+int funcmux_select(enum periph_id id, int config)
+{
+ int bad_config = config != FUNCMUX_DEFAULT;
+
+ switch (id) {
+ case PERIPH_ID_UART4:
+ switch (config) {
+ case FUNCMUX_UART4_GPIO: /* TXD,RXD,CTS,RTS */
+ pinmux_set_func(PMUX_PINGRP_UART4_TX_PI4,
+ PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_UART4_RX_PI5,
+ PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_UART4_CTS_PI7,
+ PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_UART4_RTS_PI6,
+ PMUX_FUNC_UARTD);
...
+ case PERIPH_ID_UART1:
+ switch (config) {
+ case FUNCMUX_UART1_KBC:
+ pinmux_set_func(PMUX_PINGRP_UART1_TX_PU0,
+ PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_UART1_RX_PU1,
Those are the wrong FUNCMUX_* enum names; they're supposed to be
FUNCMUX_${hwblock}_${pinset}. ${hwblock} is correctly UART1/4 above.
${pinset} doesn't look right to me; I see no GPIO or KBC pins being
used. Rather, I'd expect FUNCMUX_UART4_UART4 and FUNCMUX_UART1_UART1.
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