[v3,6/6] rockchip: Enable PCIe/M.2 on rock960 board
diff mbox series

Message ID 20200509165624.20791-7-jagan@amarulasolutions.com
State New
Headers show
Series
  • rockchip: Add PCIe host support
Related show

Commit Message

Jagan Teki May 9, 2020, 4:56 p.m. UTC
Due to board limitation some SSD's would work
on rock960 PCIe M.2 only with 1.8V IO domain.

So, this patch enables grf io_sel explicitly to
make PCIe/M.2 to work.

Cc: Tom Cubie <tom@radxa.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
Changes for v3:
- collect mani a-b
- add comments

 board/vamrs/rock960_rk3399/rock960-rk3399.c | 23 +++++++++++++++++++++
 configs/rock960-rk3399_defconfig            |  5 +++++
 2 files changed, 28 insertions(+)

Comments

Kever Yang May 15, 2020, 2:54 a.m. UTC | #1
On 2020/5/10 上午12:56, Jagan Teki wrote:
> Due to board limitation some SSD's would work
> on rock960 PCIe M.2 only with 1.8V IO domain.
>
> So, this patch enables grf io_sel explicitly to
> make PCIe/M.2 to work.
>
> Cc: Tom Cubie <tom@radxa.com>
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

Thanks,
- Kever
> ---
> Changes for v3:
> - collect mani a-b
> - add comments
>
>   board/vamrs/rock960_rk3399/rock960-rk3399.c | 23 +++++++++++++++++++++
>   configs/rock960-rk3399_defconfig            |  5 +++++
>   2 files changed, 28 insertions(+)
>
> diff --git a/board/vamrs/rock960_rk3399/rock960-rk3399.c b/board/vamrs/rock960_rk3399/rock960-rk3399.c
> index 68a127b9ac..ef1eb2d0b7 100644
> --- a/board/vamrs/rock960_rk3399/rock960-rk3399.c
> +++ b/board/vamrs/rock960_rk3399/rock960-rk3399.c
> @@ -2,3 +2,26 @@
>   /*
>    * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
>    */
> +
> +#include <common.h>
> +#include <syscon.h>
> +#include <asm/io.h>
> +#include <asm/arch-rockchip/clock.h>
> +#include <asm/arch-rockchip/grf_rk3399.h>
> +#include <asm/arch-rockchip/hardware.h>
> +
> +#ifdef CONFIG_MISC_INIT_R
> +int misc_init_r(void)
> +{
> +	struct rk3399_grf_regs *grf =
> +	    syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
> +
> +	/**
> +	 * Some SSD's to work on rock960 would require explicit
> +	 * domain voltage change, so BT565 is in 1.8v domain
> +	 */
> +	rk_setreg(&grf->io_vsel, BIT(0));
> +
> +	return 0;
> +}
> +#endif
> diff --git a/configs/rock960-rk3399_defconfig b/configs/rock960-rk3399_defconfig
> index 045d989a19..64517f9623 100644
> --- a/configs/rock960-rk3399_defconfig
> +++ b/configs/rock960-rk3399_defconfig
> @@ -9,6 +9,7 @@ CONFIG_DEBUG_UART_BASE=0xFF1A0000
>   CONFIG_DEBUG_UART_CLOCK=24000000
>   CONFIG_DEBUG_UART=y
>   CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-rock960.dtb"
> +CONFIG_MISC_INIT_R=y
>   CONFIG_DISPLAY_BOARDINFO_LATE=y
>   # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
>   CONFIG_SPL_STACK_R=y
> @@ -19,6 +20,7 @@ CONFIG_CMD_BOOTZ=y
>   CONFIG_CMD_GPT=y
>   CONFIG_CMD_MMC=y
>   CONFIG_CMD_USB=y
> +CONFIG_CMD_PCI=y
>   # CONFIG_CMD_SETEXPR is not set
>   CONFIG_CMD_TIME=y
>   CONFIG_CMD_PMIC=y
> @@ -36,10 +38,13 @@ CONFIG_MMC_SDHCI=y
>   CONFIG_MMC_SDHCI_SDMA=y
>   CONFIG_MMC_SDHCI_ROCKCHIP=y
>   CONFIG_DM_ETH=y
> +CONFIG_NVME=y
> +CONFIG_PCI=y
>   CONFIG_PMIC_RK8XX=y
>   CONFIG_REGULATOR_PWM=y
>   CONFIG_REGULATOR_RK8XX=y
>   CONFIG_PWM_ROCKCHIP=y
> +CONFIG_DM_RESET=y
>   CONFIG_BAUDRATE=1500000
>   CONFIG_DEBUG_UART_SHIFT=2
>   CONFIG_SYSRESET=y
Kever Yang May 22, 2020, 3:15 a.m. UTC | #2
Hi Jagan,

On 2020/5/10 上午12:56, Jagan Teki wrote:
> Due to board limitation some SSD's would work
> on rock960 PCIe M.2 only with 1.8V IO domain.
>
> So, this patch enables grf io_sel explicitly to
> make PCIe/M.2 to work.
>
> Cc: Tom Cubie <tom@radxa.com>
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
> Changes for v3:
> - collect mani a-b
> - add comments
>
>   board/vamrs/rock960_rk3399/rock960-rk3399.c | 23 +++++++++++++++++++++
>   configs/rock960-rk3399_defconfig            |  5 +++++
>   2 files changed, 28 insertions(+)
>
> diff --git a/board/vamrs/rock960_rk3399/rock960-rk3399.c b/board/vamrs/rock960_rk3399/rock960-rk3399.c
> index 68a127b9ac..ef1eb2d0b7 100644
> --- a/board/vamrs/rock960_rk3399/rock960-rk3399.c
> +++ b/board/vamrs/rock960_rk3399/rock960-rk3399.c
> @@ -2,3 +2,26 @@
>   /*
>    * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
>    */
> +
> +#include <common.h>
> +#include <syscon.h>
> +#include <asm/io.h>
> +#include <asm/arch-rockchip/clock.h>
> +#include <asm/arch-rockchip/grf_rk3399.h>
> +#include <asm/arch-rockchip/hardware.h>
> +
> +#ifdef CONFIG_MISC_INIT_R
> +int misc_init_r(void)
> +{
> +	struct rk3399_grf_regs *grf =
> +	    syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
> +
> +	/**
> +	 * Some SSD's to work on rock960 would require explicit
> +	 * domain voltage change, so BT565 is in 1.8v domain
> +	 */
> +	rk_setreg(&grf->io_vsel, BIT(0));
+  rk_setreg(&grf->io_vsel, BIT(0));
+                           ^
+arch/arm/include/asm/io.h:118:34: note: in definition of macro ‘writel’
+ #define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
+                                  ^
+board/vamrs/rock960_rk3399/rock960-rk3399.c:23:2: note: in expansion of 
macro ‘rk_setreg’
+  ^~~~~~~~~
+board/vamrs/rock960_rk3399/built-in.o: In function `misc_init_r':
+board/vamrs/rock960_rk3399/rock960-rk3399.c:23: undefined reference to 
`BIT'
+make[1]: *** [u-boot] Error 139


Did you get this error when build the code?


Thanks,

- Kever

> +
> +	return 0;
> +}
> +#endif
> diff --git a/configs/rock960-rk3399_defconfig b/configs/rock960-rk3399_defconfig
> index 045d989a19..64517f9623 100644
> --- a/configs/rock960-rk3399_defconfig
> +++ b/configs/rock960-rk3399_defconfig
> @@ -9,6 +9,7 @@ CONFIG_DEBUG_UART_BASE=0xFF1A0000
>   CONFIG_DEBUG_UART_CLOCK=24000000
>   CONFIG_DEBUG_UART=y
>   CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-rock960.dtb"
> +CONFIG_MISC_INIT_R=y
>   CONFIG_DISPLAY_BOARDINFO_LATE=y
>   # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
>   CONFIG_SPL_STACK_R=y
> @@ -19,6 +20,7 @@ CONFIG_CMD_BOOTZ=y
>   CONFIG_CMD_GPT=y
>   CONFIG_CMD_MMC=y
>   CONFIG_CMD_USB=y
> +CONFIG_CMD_PCI=y
>   # CONFIG_CMD_SETEXPR is not set
>   CONFIG_CMD_TIME=y
>   CONFIG_CMD_PMIC=y
> @@ -36,10 +38,13 @@ CONFIG_MMC_SDHCI=y
>   CONFIG_MMC_SDHCI_SDMA=y
>   CONFIG_MMC_SDHCI_ROCKCHIP=y
>   CONFIG_DM_ETH=y
> +CONFIG_NVME=y
> +CONFIG_PCI=y
>   CONFIG_PMIC_RK8XX=y
>   CONFIG_REGULATOR_PWM=y
>   CONFIG_REGULATOR_RK8XX=y
>   CONFIG_PWM_ROCKCHIP=y
> +CONFIG_DM_RESET=y
>   CONFIG_BAUDRATE=1500000
>   CONFIG_DEBUG_UART_SHIFT=2
>   CONFIG_SYSRESET=y
Jagan Teki May 22, 2020, 7:02 a.m. UTC | #3
Hi Kever,

On Fri, May 22, 2020 at 8:45 AM Kever Yang <kever.yang@rock-chips.com> wrote:
>
> Hi Jagan,
>
> On 2020/5/10 上午12:56, Jagan Teki wrote:
> > Due to board limitation some SSD's would work
> > on rock960 PCIe M.2 only with 1.8V IO domain.
> >
> > So, this patch enables grf io_sel explicitly to
> > make PCIe/M.2 to work.
> >
> > Cc: Tom Cubie <tom@radxa.com>
> > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> > Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> > Changes for v3:
> > - collect mani a-b
> > - add comments
> >
> >   board/vamrs/rock960_rk3399/rock960-rk3399.c | 23 +++++++++++++++++++++
> >   configs/rock960-rk3399_defconfig            |  5 +++++
> >   2 files changed, 28 insertions(+)
> >
> > diff --git a/board/vamrs/rock960_rk3399/rock960-rk3399.c b/board/vamrs/rock960_rk3399/rock960-rk3399.c
> > index 68a127b9ac..ef1eb2d0b7 100644
> > --- a/board/vamrs/rock960_rk3399/rock960-rk3399.c
> > +++ b/board/vamrs/rock960_rk3399/rock960-rk3399.c
> > @@ -2,3 +2,26 @@
> >   /*
> >    * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> >    */
> > +
> > +#include <common.h>
> > +#include <syscon.h>
> > +#include <asm/io.h>
> > +#include <asm/arch-rockchip/clock.h>
> > +#include <asm/arch-rockchip/grf_rk3399.h>
> > +#include <asm/arch-rockchip/hardware.h>
> > +
> > +#ifdef CONFIG_MISC_INIT_R
> > +int misc_init_r(void)
> > +{
> > +     struct rk3399_grf_regs *grf =
> > +         syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
> > +
> > +     /**
> > +      * Some SSD's to work on rock960 would require explicit
> > +      * domain voltage change, so BT565 is in 1.8v domain
> > +      */
> > +     rk_setreg(&grf->io_vsel, BIT(0));
> +  rk_setreg(&grf->io_vsel, BIT(0));
> +                           ^
> +arch/arm/include/asm/io.h:118:34: note: in definition of macro ‘writel’
> + #define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
> +                                  ^
> +board/vamrs/rock960_rk3399/rock960-rk3399.c:23:2: note: in expansion of
> macro ‘rk_setreg’
> +  ^~~~~~~~~
> +board/vamrs/rock960_rk3399/built-in.o: In function `misc_init_r':
> +board/vamrs/rock960_rk3399/rock960-rk3399.c:23: undefined reference to
> `BIT'
> +make[1]: *** [u-boot] Error 139
>
>
> Did you get this error when build the code?

Sorry, I have forgotten to commit bitops header, will send this patch
alone for the next version.

Jagan.

Patch
diff mbox series

diff --git a/board/vamrs/rock960_rk3399/rock960-rk3399.c b/board/vamrs/rock960_rk3399/rock960-rk3399.c
index 68a127b9ac..ef1eb2d0b7 100644
--- a/board/vamrs/rock960_rk3399/rock960-rk3399.c
+++ b/board/vamrs/rock960_rk3399/rock960-rk3399.c
@@ -2,3 +2,26 @@ 
 /*
  * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
  */
+
+#include <common.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/grf_rk3399.h>
+#include <asm/arch-rockchip/hardware.h>
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+	struct rk3399_grf_regs *grf =
+	    syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+
+	/**
+	 * Some SSD's to work on rock960 would require explicit
+	 * domain voltage change, so BT565 is in 1.8v domain
+	 */
+	rk_setreg(&grf->io_vsel, BIT(0));
+
+	return 0;
+}
+#endif
diff --git a/configs/rock960-rk3399_defconfig b/configs/rock960-rk3399_defconfig
index 045d989a19..64517f9623 100644
--- a/configs/rock960-rk3399_defconfig
+++ b/configs/rock960-rk3399_defconfig
@@ -9,6 +9,7 @@  CONFIG_DEBUG_UART_BASE=0xFF1A0000
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART=y
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-rock960.dtb"
+CONFIG_MISC_INIT_R=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
 CONFIG_SPL_STACK_R=y
@@ -19,6 +20,7 @@  CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_PCI=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_TIME=y
 CONFIG_CMD_PMIC=y
@@ -36,10 +38,13 @@  CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
 CONFIG_MMC_SDHCI_ROCKCHIP=y
 CONFIG_DM_ETH=y
+CONFIG_NVME=y
+CONFIG_PCI=y
 CONFIG_PMIC_RK8XX=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_RK8XX=y
 CONFIG_PWM_ROCKCHIP=y
+CONFIG_DM_RESET=y
 CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYSRESET=y