Introduce STM32MP15 function and defines to prepare the STM32MP13 introduction.

Signed-off-by: Patrick Delaunay patrick.delaunay@st.com Signed-off-by: Patrick Delaunay patrick.delaunay@foss.st.com ---

arch/arm/mach-stm32mp/fdt.c | 123 ++++++++++++++++++++---------------- 1 file changed, 67 insertions(+), 56 deletions(-)

diff --git a/arch/arm/mach-stm32mp/fdt.c b/arch/arm/mach-stm32mp/fdt.c index ad45728949..5d37a44d97 100644 --- a/arch/arm/mach-stm32mp/fdt.c +++ b/arch/arm/mach-stm32mp/fdt.c @@ -28,13 +28,13 @@

#define ETZPC_RESERVED 0xffffffff

-#define STM32_FDCAN_BASE 0x4400e000 -#define STM32_CRYP2_BASE 0x4c005000 -#define STM32_CRYP1_BASE 0x54001000 -#define STM32_GPU_BASE 0x59000000 -#define STM32_DSI_BASE 0x5a000000 +#define STM32MP15_FDCAN_BASE 0x4400e000 +#define STM32MP15_CRYP2_BASE 0x4c005000 +#define STM32MP15_CRYP1_BASE 0x54001000 +#define STM32MP15_GPU_BASE 0x59000000 +#define STM32MP15_DSI_BASE 0x5a000000

-static const u32 stm32mp1_ip_addr[] = { +static const u32 stm32mp15_ip_addr[] = { 0x5c008000, /* 00 stgenc */ 0x54000000, /* 01 bkpsram */ 0x5c003000, /* 02 iwdg1 */ @@ -44,7 +44,7 @@ static const u32 stm32mp1_ip_addr[] = { ETZPC_RESERVED, /* 06 reserved */ 0x54003000, /* 07 rng1 */ 0x54002000, /* 08 hash1 */ - STM32_CRYP1_BASE, /* 09 cryp1 */ + STM32MP15_CRYP1_BASE, /* 09 cryp1 */ 0x5a003000, /* 0A ddrctrl */ 0x5a004000, /* 0B ddrphyc */ 0x5c009000, /* 0C i2c6 */ @@ -97,7 +97,7 @@ static const u32 stm32mp1_ip_addr[] = { 0x4400b000, /* 3B sai2 */ 0x4400c000, /* 3C sai3 */ 0x4400d000, /* 3D dfsdm */ - STM32_FDCAN_BASE, /* 3E tt_fdcan */ + STM32MP15_FDCAN_BASE, /* 3E tt_fdcan */ ETZPC_RESERVED, /* 3F reserved */ 0x50021000, /* 40 lptim2 */ 0x50022000, /* 41 lptim3 */ @@ -110,7 +110,7 @@ static const u32 stm32mp1_ip_addr[] = { 0x48003000, /* 48 adc */ 0x4c002000, /* 49 hash2 */ 0x4c003000, /* 4A rng2 */ - STM32_CRYP2_BASE, /* 4B cryp2 */ + STM32MP15_CRYP2_BASE, /* 4B cryp2 */ ETZPC_RESERVED, /* 4C reserved */ ETZPC_RESERVED, /* 4D reserved */ ETZPC_RESERVED, /* 4E reserved */ @@ -163,8 +163,13 @@ static int stm32_fdt_fixup_etzpc(void *fdt, int soc_node) int offset, shift; u32 addr, status, decprot[ETZPC_DECPROT_NB];

- array = stm32mp1_ip_addr; - array_size = ARRAY_SIZE(stm32mp1_ip_addr); + if (IS_ENABLED(CONFIG_STM32MP13x)) + return 0; + + if (IS_ENABLED(CONFIG_STM32MP15x)) { + array = stm32mp15_ip_addr; + array_size = ARRAY_SIZE(stm32mp15_ip_addr); + }

for (i = 0; i < ETZPC_DECPROT_NB; i++) decprot[i] = readl(ETZPC_DECPROT(i)); @@ -248,33 +253,9 @@ static void stm32_fdt_disable_optee(void *blob) } }

-/* - * This function is called right before the kernel is booted. "blob" is the - * device tree that will be passed to the kernel. - */ -int ft_system_setup(void *blob, struct bd_info *bd) +static void stm32mp15_fdt_fixup(void *blob, int soc, u32 cpu, char *name) { - int ret = 0; - int soc; - u32 pkg, cpu; - char name[SOC_NAME_SIZE]; - - if (IS_ENABLED(CONFIG_STM32MP13x)) - return 0; - - soc = fdt_path_offset(blob, "/soc"); - if (soc < 0) - return soc; - - if (CONFIG_IS_ENABLED(STM32_ETZPC)) { - ret = stm32_fdt_fixup_etzpc(blob, soc); - if (ret) - return ret; - } - - /* MPUs Part Numbers and name*/ - cpu = get_cpu_type(); - get_soc_name(name); + u32 pkg;

switch (cpu) { case CPU_STM32MP151Fxx: @@ -284,19 +265,18 @@ int ft_system_setup(void *blob, struct bd_info *bd) stm32_fdt_fixup_cpu(blob, name); /* after cpu delete we can't trust the soc offsets anymore */ soc = fdt_path_offset(blob, "/soc"); - stm32_fdt_disable(blob, soc, STM32_FDCAN_BASE, "can", name); - /* fall through */ + stm32_fdt_disable(blob, soc, STM32MP15_FDCAN_BASE, "can", name); + fallthrough; case CPU_STM32MP153Fxx: case CPU_STM32MP153Dxx: case CPU_STM32MP153Cxx: case CPU_STM32MP153Axx: - stm32_fdt_disable(blob, soc, STM32_GPU_BASE, "gpu", name); - stm32_fdt_disable(blob, soc, STM32_DSI_BASE, "dsi", name); + stm32_fdt_disable(blob, soc, STM32MP15_GPU_BASE, "gpu", name); + stm32_fdt_disable(blob, soc, STM32MP15_DSI_BASE, "dsi", name); break; default: break; } - switch (cpu) { case CPU_STM32MP157Dxx: case CPU_STM32MP157Axx: @@ -304,13 +284,14 @@ int ft_system_setup(void *blob, struct bd_info *bd) case CPU_STM32MP153Axx: case CPU_STM32MP151Dxx: case CPU_STM32MP151Axx: - stm32_fdt_disable(blob, soc, STM32_CRYP1_BASE, "cryp", name); - stm32_fdt_disable(blob, soc, STM32_CRYP2_BASE, "cryp", name); + stm32_fdt_disable(blob, soc, STM32MP15_CRYP1_BASE, "cryp", + name); + stm32_fdt_disable(blob, soc, STM32MP15_CRYP2_BASE, "cryp", + name); break; default: break; } - switch (get_cpu_package()) { case STM32MP15_PKG_AA_LBGA448: pkg = STM32MP_PKG_AA; @@ -334,18 +315,48 @@ int ft_system_setup(void *blob, struct bd_info *bd) do_fixup_by_compat_u32(blob, "st,stm32mp157-z-pinctrl", "st,package", pkg, false); } +} + +/* + * This function is called right before the kernel is booted. "blob" is the + * device tree that will be passed to the kernel. + */ +int ft_system_setup(void *blob, struct bd_info *bd) +{ + int ret = 0; + int soc; + u32 cpu; + char name[SOC_NAME_SIZE]; + + soc = fdt_path_offset(blob, "/soc"); + if (soc < 0) + return soc; + + if (CONFIG_IS_ENABLED(STM32_ETZPC)) { + ret = stm32_fdt_fixup_etzpc(blob, soc); + if (ret) + return ret; + }

- /* - * TEMP: remove OP-TEE nodes in kernel device tree - * copied from U-Boot device tree by optee_copy_fdt_nodes - * when OP-TEE is not detected (probe failed) - * these OP-TEE nodes are present in <board>-u-boot.dtsi - * under CONFIG_STM32MP15x_STM32IMAGE only for compatibility - * when FIP is not used by TF-A - */ - if (CONFIG_IS_ENABLED(STM32MP15x_STM32IMAGE) && - !tee_find_device(NULL, NULL, NULL, NULL)) - stm32_fdt_disable_optee(blob); + /* MPUs Part Numbers and name*/ + cpu = get_cpu_type(); + get_soc_name(name); + + if (IS_ENABLED(CONFIG_STM32MP15x)) { + stm32mp15_fdt_fixup(blob, soc, cpu, name); + + /* + * TEMP: remove OP-TEE nodes in kernel device tree + * copied from U-Boot device tree by optee_copy_fdt_nodes + * when OP-TEE is not detected (probe failed) + * these OP-TEE nodes are present in <board>-u-boot.dtsi + * under CONFIG_STM32MP15x_STM32IMAGE only for compatibility + * when FIP is not used by TF-A + */ + if (CONFIG_IS_ENABLED(STM32MP15x_STM32IMAGE) && + !tee_find_device(NULL, NULL, NULL, NULL)) + stm32_fdt_disable_optee(blob); + }

return ret; }