soc/amd/picasso/include/data_fabric: add data fabric IO decode registers
PPR #55570 Rev 3.18 was used as a reference. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I61d4fca48d71010bbc4bd94a2fb8889bad08f1cc Reviewed-on: https://review.coreboot.org/c/coreboot/+/76935 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
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@ -11,6 +11,40 @@
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#define D18F0_VGAEN DF_REG_ID(0, 0x80)
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#define VGA_ADDR_ENABLE BIT(0)
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#define DF_IO_BASE0 DF_REG_ID(0, 0xc0)
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#define DF_IO_LIMIT0 DF_REG_ID(0, 0xc4)
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#define DF_IO_REG_COUNT 8
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#define DF_IO_REG_OFFSET(instance) ((instance) * 2 * sizeof(uint32_t))
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#define DF_IO_BASE(reg) (DF_IO_BASE0 + DF_IO_REG_OFFSET(reg))
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#define DF_IO_LIMIT(reg) (DF_IO_LIMIT0 + DF_IO_REG_OFFSET(reg))
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union df_io_base {
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struct {
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uint32_t re : 1; /* [ 0.. 0] */
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uint32_t we : 1; /* [ 1.. 1] */
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uint32_t : 3; /* [ 2.. 4] */
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uint32_t ie : 1; /* [ 5.. 5] */
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uint32_t : 6; /* [ 6..11] */
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uint32_t io_base : 13; /* [12..24] */
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uint32_t : 7; /* [25..31] */
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};
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uint32_t raw;
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};
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union df_io_limit {
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struct {
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uint32_t dst_fabric_id : 8; /* [ 0.. 7] */
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uint32_t : 4; /* [ 8..11] */
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uint32_t io_limit : 13; /* [12..24] */
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uint32_t : 7; /* [25..31] */
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};
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uint32_t raw;
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};
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#define DF_IO_ADDR_SHIFT 12
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#define DF_DRAM_HOLE_CTL DF_REG_ID(0, 0x104)
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#define DRAM_HOLE_CTL_VALID BIT(0)
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#define DRAM_HOLE_CTL_BASE_SHFT 24
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