From 6d9d21711b38c9cd5f70e04623151f498f3129ac Mon Sep 17 00:00:00 2001 From: Daniel Baluta Date: Thu, 18 Jul 2019 13:25:17 +0300 Subject: firmware: imx: scu-pd: Rename mu PD range to mu_a MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The Messaging Unit module enables two processors within the SoC to communicate and coordinate by passing messages through the MU interface. MUs have 2 “sides” with independent programming interfaces. Rename mu PD range to mu_a because it's actually side A of MUs. Signed-off-by: Daniel Baluta Reviewed-by: Dong Aisheng Signed-off-by: Shawn Guo --- drivers/firmware/imx/scu-pd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/firmware/imx/scu-pd.c') diff --git a/drivers/firmware/imx/scu-pd.c b/drivers/firmware/imx/scu-pd.c index 480cec69e2c9..950d30238186 100644 --- a/drivers/firmware/imx/scu-pd.c +++ b/drivers/firmware/imx/scu-pd.c @@ -92,7 +92,7 @@ static const struct imx_sc_pd_range imx8qxp_scu_pd_ranges[] = { { "gpt", IMX_SC_R_GPT_0, 5, true, 0 }, { "kpp", IMX_SC_R_KPP, 1, false, 0 }, { "fspi", IMX_SC_R_FSPI_0, 2, true, 0 }, - { "mu", IMX_SC_R_MU_0A, 14, true, 0 }, + { "mu_a", IMX_SC_R_MU_0A, 14, true, 0 }, /* CONN SS */ { "usb", IMX_SC_R_USB_0, 2, true, 0 }, -- cgit v1.2.3-59-g8ed1b From 590b346b58badfe87cb13a64abdc8af25e907846 Mon Sep 17 00:00:00 2001 From: Daniel Baluta Date: Thu, 18 Jul 2019 13:25:18 +0300 Subject: firmware: imx: scu-pd: Add mu13 b side PD range LSIO subsystem contains 14 MU instances. 5 MUs to communicate between AP <-> SCU - side-A PD range managed by AP - side-B PD range managed by SCU 9 MUs to communicate between all cores (AP/M4/DSP). - side-A PD range managed by core-A (AP/M4/DSP) - side-B PD range managed by core-B (AP/M4/DSP). Communication between AP <-> DSP is done through the assigned MU number 13. So, we power up side-A by the AP and we decide to power up side-B also from AP. This is because powering it up from DSP would be painful. Powering up side B from DSP would require the DSP to communicate with SCU and to keep things simple we don't want that now. Signed-off-by: Daniel Baluta Reviewed-by: Dong Aisheng Signed-off-by: Shawn Guo --- drivers/firmware/imx/scu-pd.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/firmware/imx/scu-pd.c') diff --git a/drivers/firmware/imx/scu-pd.c b/drivers/firmware/imx/scu-pd.c index 950d30238186..eb9700b66a76 100644 --- a/drivers/firmware/imx/scu-pd.c +++ b/drivers/firmware/imx/scu-pd.c @@ -93,6 +93,7 @@ static const struct imx_sc_pd_range imx8qxp_scu_pd_ranges[] = { { "kpp", IMX_SC_R_KPP, 1, false, 0 }, { "fspi", IMX_SC_R_FSPI_0, 2, true, 0 }, { "mu_a", IMX_SC_R_MU_0A, 14, true, 0 }, + { "mu_b", IMX_SC_R_MU_13B, 1, true, 13 }, /* CONN SS */ { "usb", IMX_SC_R_USB_0, 2, true, 0 }, -- cgit v1.2.3-59-g8ed1b From d43dc52274d40a1543ca962008feb9ff784e3a49 Mon Sep 17 00:00:00 2001 From: Daniel Baluta Date: Thu, 18 Jul 2019 13:25:19 +0300 Subject: firmware: imx: scu-pd: Add IRQSTR_DSP PD range The DSP interrupt steer gathers interrupts from the system and can be used to steer them to DSP. Signed-off-by: Daniel Baluta Reviewed-by: Dong Aisheng Signed-off-by: Shawn Guo --- drivers/firmware/imx/scu-pd.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/firmware/imx/scu-pd.c') diff --git a/drivers/firmware/imx/scu-pd.c b/drivers/firmware/imx/scu-pd.c index eb9700b66a76..b556612207e5 100644 --- a/drivers/firmware/imx/scu-pd.c +++ b/drivers/firmware/imx/scu-pd.c @@ -131,6 +131,7 @@ static const struct imx_sc_pd_range imx8qxp_scu_pd_ranges[] = { { "lcd0-pwm", IMX_SC_R_LCD_0_PWM_0, 1, true, 0 }, { "lpuart", IMX_SC_R_UART_0, 4, true, 0 }, { "lpspi", IMX_SC_R_SPI_0, 4, true, 0 }, + { "irqstr_dsp", IMX_SC_R_IRQSTR_DSP, 1, false, 0 }, /* VPU SS */ { "vpu", IMX_SC_R_VPU, 1, false, 0 }, -- cgit v1.2.3-59-g8ed1b