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mainboard/apple: Use C89 comments style & remove commented code 

Change-Id: I81c32c618627507cc3a83f60f565a73e5e6d7a13
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16913
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Elyes HAOUAS 2016-10-07 12:46:28 +02:00 committed by Martin Roth
parent 46829869c8
commit 571fb1fb44
2 changed files with 103 additions and 99 deletions
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200
src/mainboard/apple/macbook21/romstage.c
View File

@ -15,7 +15,7 @@
* GNU General Public License for more details.
*/
// __PRE_RAM__ means: use "unsigned" for device, not a struct.
/* __PRE_RAM__ means: use "unsigned" for device, not a struct. */
#include <stdint.h>
#include <string.h>
@ -89,110 +89,116 @@ void setup_ich7_gpios(void)
static void ich7_enable_lpc(void)
{
// Enable Serial IRQ
/* Enable Serial IRQ */
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x64, 0xd0);
// I/O Decode Ranges
// X60: 0x0210 == 00000010 00010000
// Macbook21: 0x0010 == 00000000 00010000
// Bit 9:8 LPT Decode Range. This field determines which range to
// decode for the LPT Port.
// 00 = 378h - 37Fh and 778h - 77Fh
// 10 = 3BCh - 3BEh and 7BCh - 7BEh
/* I/O Decode Ranges
* X60: 0x0210 == 00000010 00010000
* Macbook21: 0x0010 == 00000000 00010000
* Bit 9:8 LPT Decode Range. This field determines which range to
* decode for the LPT Port.
* 00 = 378h - 37Fh and 778h - 77Fh
* 10 = 3BCh - 3BEh and 7BCh - 7BEh
*/
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0010);
// LPC_EN--LPC I/F Enables Register
// X60: 0x1f0d == 00011111 00001101
// Macbook21: 0x3807 == 00111000 00000111
// Bit 13 CNF2_LPC_EN -- R/W. Microcontroller Enable # 2.
// 0 = Disable.
// 1 = Enables the decoding of the I/O locations 4Eh and 4Fh
// to the LPC interface. This range is used for a
// microcontroller.
// Bit 12 CNF1_LPC_EN -- R/W. Super I/O Enable.
// 0 = Disable.
// 1 = Enables the decoding of the I/O locations 2Eh and 2Fh
// to the LPC interface. This range is used for
// Super I/O devices.
// Bit 11 MC_LPC_EN -- R/W. Microcontroller Enable # 1.
// 0 = Disable.
// 1 = Enables the decoding of the I/O locations 62h and 66h
// to the LPC interface. This range is used for a
// microcontroller.
// Bit 10 KBC_LPC_EN -- R/W. Keyboard Enable.
// 0 = Disable.
// 1 = Enables the decoding of the I/O locations 60h and 64h
// to the LPC interface. This range is used for a
// microcontroller.
// Bit 9 GAMEH_LPC_EN -- R/W. High Gameport Enable
// 0 = Disable.
// 1 = Enables the decoding of the I/O locations 208h to 20Fh
// to the LPC interface. This range is used for a gameport.
// Bit 8 GAMEL_LPC_EN -- R/W. Low Gameport Enable
// 0 = Disable.
// 1 = Enables the decoding of the I/O locations 200h to 207h
// to the LPC interface. This range is used for a gameport.
// Bit 3 FDD_LPC_EN -- R/W. Floppy Drive Enable
// 0 = Disable.
// 1 = Enables the decoding of the FDD range to the LPC
// interface. This range is selected in the LPC_FDD/LPT
// Decode Range Register (D31:F0:80h, bit 12).
// Bit 2 LPT_LPC_EN -- R/W. Parallel Port Enable
// 0 = Disable.
// 1 = Enables the decoding of the LPT range to the LPC
// interface. This range is selected in the LPC_FDD/LPT
// Decode Range Register (D31:F0:80h, bit 9:8).
// Bit 1 COMB_LPC_EN -- R/W. Com Port B Enable
// 0 = Disable.
// 1 = Enables the decoding of the COMB range to the LPC
// interface. This range is selected in the LPC_COM Decode
// Range Register (D31:F0:80h, bits 6:4).
// Bit 0 COMA_LPC_EN -- R/W. Com Port A Enable
// 0 = Disable.
// 1 = Enables the decoding of the COMA range to the LPC
// interface. This range is selected in the LPC_COM Decode
// Range Register (D31:F0:80h, bits 3:2).
/* LPC_EN--LPC I/F Enables Register
* X60: 0x1f0d == 00011111 00001101
* Macbook21: 0x3807 == 00111000 00000111
* Bit 13 CNF2_LPC_EN -- R/W. Microcontroller Enable # 2.
* 0 = Disable.
* 1 = Enables the decoding of the I/O locations 4Eh and 4Fh
* to the LPC interface. This range is used for a
* microcontroller.
* Bit 12 CNF1_LPC_EN -- R/W. Super I/O Enable.
* 0 = Disable.
* 1 = Enables the decoding of the I/O locations 2Eh and 2Fh
* to the LPC interface. This range is used for
* Super I/O devices.
* Bit 11 MC_LPC_EN -- R/W. Microcontroller Enable # 1.
* 0 = Disable.
* 1 = Enables the decoding of the I/O locations 62h and 66h
* to the LPC interface. This range is used for a
* microcontroller.
* Bit 10 KBC_LPC_EN -- R/W. Keyboard Enable.
* 0 = Disable.
* 1 = Enables the decoding of the I/O locations 60h and 64h
* to the LPC interface. This range is used for a
* microcontroller.
* Bit 9 GAMEH_LPC_EN -- R/W. High Gameport Enable
* 0 = Disable.
* 1 = Enables the decoding of the I/O locations 208h to 20Fh
* to the LPC interface. This range is used for a gameport.
* Bit 8 GAMEL_LPC_EN -- R/W. Low Gameport Enable
* 0 = Disable.
* 1 = Enables the decoding of the I/O locations 200h to 207h
* to the LPC interface. This range is used for a gameport.
* Bit 3 FDD_LPC_EN -- R/W. Floppy Drive Enable
* 0 = Disable.
* 1 = Enables the decoding of the FDD range to the LPC
* interface. This range is selected in the LPC_FDD/LPT
* Decode Range Register (D31:F0:80h, bit 12).
* Bit 2 LPT_LPC_EN -- R/W. Parallel Port Enable
* 0 = Disable.
* 1 = Enables the decoding of the LPT range to the LPC
* interface. This range is selected in the LPC_FDD/LPT
* Decode Range Register (D31:F0:80h, bit 9:8).
* Bit 1 COMB_LPC_EN -- R/W. Com Port B Enable
* 0 = Disable.
* 1 = Enables the decoding of the COMB range to the LPC
* interface. This range is selected in the LPC_COM Decode
* Range Register (D31:F0:80h, bits 6:4).
* Bit 0 COMA_LPC_EN -- R/W. Com Port A Enable
* 0 = Disable.
* 1 = Enables the decoding of the COMA range to the LPC
* interface. This range is selected in the LPC_COM Decode
* Range Register (D31:F0:80h, bits 3:2).
*/
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x3807);
/* GEN1_DEC, LPC Interface Generic Decode Range 1 */
// X60: 0x1601 0x007c == 00000000 01111100 00010110 00000001
// Macbook21: 0x0681 0x000c == 00000000 00001100 00000110 10000001
// Bit 31:24 Reserved.
// Bit 23:18 Generic I/O Decode Range Address[7:2] Mask: A `1' in any
// bit position indicates that any value in the corresponding
// address bit in a received cycle will be treated as a
// match. The corresponding bit in the Address field, below,
// is ignored. The mask is only provided for the lower 6 bits
// of the DWord address, allowing for decoding blocks up to
// 256 bytes in size.
// Bit 17:16 Reserved.
// Bit 15:2 Generic I/O Decode Range 1 Base Address (GEN1_BASE). This
// address is aligned on a 128-byte boundary, and must have
// address lines 31:16 as 0. NOTE: The Intel ICH7 does not
// provide decode down to the word or byte level.
// Bit 1 Reserved.
// Bit 0 Generic Decode Range 1 Enable (GEN1_EN) -- R/W.
// 0 = Disable.
// 1 = Enable the GEN1 I/O range to be forwarded to the LPC
// I/F
/* GEN1_DEC, LPC Interface Generic Decode Range 1
* X60: 0x1601 0x007c == 00000000 01111100 00010110 00000001
* Macbook21: 0x0681 0x000c == 00000000 00001100 00000110 10000001
* Bit 31:24 Reserved.
* Bit 23:18 Generic I/O Decode Range Address[7:2] Mask: A `1' in any
* bit position indicates that any value in the corresponding
* address bit in a received cycle will be treated as a
* match. The corresponding bit in the Address field, below,
* is ignored. The mask is only provided for the lower 6 bits
* of the DWord address, allowing for decoding blocks up to
* 256 bytes in size.
* Bit 17:16 Reserved.
* Bit 15:2 Generic I/O Decode Range 1 Base Address (GEN1_BASE). This
* address is aligned on a 128-byte boundary, and must have
* address lines 31:16 as 0. NOTE: The Intel ICH7 does not
* provide decode down to the word or byte level.
* Bit 1 Reserved.
* Bit 0 Generic Decode Range 1 Enable (GEN1_EN) -- R/W.
* 0 = Disable.
* 1 = Enable the GEN1 I/O range to be forwarded to the LPC
* I/F
*/
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x84, 0x0681);
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x86, 0x000c);
/* GEN2_DEC, LPC Interface Generic Decode Range 2 */
// X60: 0x15e1 0x000c == 00000000 00001100 00010101 11100001
// Macbook21: 0x1641 0x000c == 00000000 00001100 00010110 01000001
/* GEN2_DEC, LPC Interface Generic Decode Range 2
* X60: 0x15e1 0x000c == 00000000 00001100 00010101 11100001
* Macbook21: 0x1641 0x000c == 00000000 00001100 00010110 01000001
*/
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x88, 0x1641);
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8a, 0x000c);
/* GEN3_DEC, LPC Interface Generic Decode Range 3 */
// X60: 0x1681 0x001c == 00000000 00011100 00010110 10000001
// Macbook21: 0x0000 0x0000
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8c, 0x0000); // obsolete, because it writes zeros?
/* GEN3_DEC, LPC Interface Generic Decode Range 3
* X60: 0x1681 0x001c == 00000000 00011100 00010110 10000001
* Macbook21: 0x0000 0x0000
*/
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8c, 0x0000); /* obsolete, because it writes zeros? */
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8e, 0x0000);
/* GEN4_DEC, LPC Interface Generic Decode Range 4 */
// X60: 0x0000 0x0000
// Macbook21: 0x0301 0x001c == 00000000 00011100 00000011 00000001
/* GEN4_DEC, LPC Interface Generic Decode Range 4
* X60: 0x0000 0x0000
* Macbook21: 0x0301 0x001c == 00000000 00011100 00000011 00000001
*/
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x90, 0x0301);
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x92, 0x001c);
}
@ -225,11 +231,9 @@ static void rcba_config(void)
/* Disable unused devices */
RCBA32(0x3418) = FD_PCIE6 | FD_PCIE5 | FD_PCIE4 | FD_PCIE3 | FD_INTLAN | FD_ACMOD | FD_ACAUD;
RCBA32(0x3418) |= (1 << 0); // Required.
RCBA32(0x3418) |= (1 << 0); /* Required. */
/* Set up I/O Trap #0 for 0xfe00 (SMIC) */
// RCBA32(0x1e84) = 0x00020001;
// RCBA32(0x1e80) = 0x0000fe01;
/* Set up I/O Trap #3 for 0x800-0x80c (Trap) */
RCBA32(0x1e9c) = 0x000200f0;
@ -241,15 +245,15 @@ static void early_ich7_init(void)
uint8_t reg8;
uint32_t reg32;
// program secondary mlt XXX byte?
/* program secondary mlt XXX byte? */
pci_write_config8(PCI_DEV(0, 0x1e, 0), 0x1b, 0x20);
// reset rtc power status
/* reset rtc power status */
reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa4);
reg8 &= ~(1 << 2);
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa4, reg8);
// usb transient disconnect
/* usb transient disconnect */
reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xad);
reg8 |= (3 << 0);
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xad, reg8);
@ -283,7 +287,7 @@ static void early_ich7_init(void)
RCBA32(0x3e0e) |= (1 << 7);
RCBA32(0x3e4e) |= (1 << 7);
// next step only on ich7m b0 and later:
/* next step only on ich7m b0 and later: */
reg32 = RCBA32(0x2034);
reg32 &= ~(0x0f << 16);
reg32 |= (5 << 16);

2
src/mainboard/apple/macbookair4_2/gnvs.c
View File

@ -23,7 +23,7 @@ void acpi_create_gnvs(global_nvs_t *gnvs)
gnvs->s5u0 = 0;
gnvs->s5u1 = 0;
// the lid is open by default.
/* the lid is open by default. */
gnvs->lids = 1;
gnvs->tcrt = 100;